Patent Publication Number: US-11660132-B2

Title: Patella bone plate and methods of fixation

Description:
CROSS-REFERENCE TO RELATED APPLICATIONS 
     This is a continuation of U.S. patent application Ser. No. 16/943,218 filed Jul. 30, 2020, which is a continuation of U.S. patent application Ser. No. 16/127,678 filed Sep. 11, 2018, now U.S. Pat. No. 10,765,462, the disclosures of each of which are hereby incorporated by reference as if set forth in their entireties herein. 
    
    
     BACKGROUND 
     Patella fractures represent approximately 1% of all fractures and can be debilitating injuries resulting in extensor mechanism weakness, decreased knee range of motion, anterior knee pain, and degenerative patellofemoral arthritis. The limited soft tissue coverage and importance of the patella in knee extensor mechanism function has made operative treatment of these injuries challenging. 
     Historically, patellar fractures were treated non-operatively, which was thought to allow for adequate pain relief and partial restoration of extensor mechanism function. However, as surgical knowledge and technique has advanced, management of these injuries has evolved from non-operative care or patellectomy to anatomic reduction and internal fixation with a goal of osseous union. 
     Today, a non-operative treatment course can be recommended for non-displaced fractures of the patella, particularly when the fracture is non-displaced, the articular surface is not disrupted, and the extensor mechanism is intact. However, a disruption of the articular surface of as little as 2 mm or separation of bone fragments by as little as 3 mm is conventionally associated with an unacceptable risk of unsuitable bone healing. Additionally, patients with patella fractures often have concurrent retinacular tears that can result in fracture displacement and disruption of the extensor mechanism. Further, because of the important role of the patella in maintaining normal kinematics of the knee, operative management is considered to be the treatment of choice for patella fractures when patellar bone fragments are displaced, or the articular surface is disrupted. 
     One construct commonly used for the operative fixation of patella fractures is a tension band. In particular, an anterior tension band is applied by passing wires or braided cables or sutures behind previously implanted K-wires at the superior and inferior poles, crossing them, and twisting the ends to create a figure-eight pattern. Further, a wire or braided cable can be wrapped circumferentially around the patella directly on bone at a location anterior to the previously placed wires, and is tightened by twisting. A modification of this technique can be performed by replacing the K-wires with cannulated screws, such that a wire or braided cable or suture can be passed through the cannulated screws to create the anterior tension band with a figure-eight configuration, followed by application of a cerclage wire directly on the circumference of the patella. 
     While tension band constructs are the most common method of fixation, anterior knee pain, failure of the construct, and functional limitation with tension band fixation have all been reported. Further, this technique often fails to address inferior pole comminution commonly seen in fractures of the patella. 
     More recently, biomechanical studies have shown an advantage to fixation of patella fractures with plating constructs as opposed to tension band fixation. While various different patella plating constructs in use today can achieve satisfactory fracture reductions, the ultimate outcomes are often ineffective and clinically poor. In particular, despite reliable fracture healing and restoration of the extensor mechanisms, outcomes often remain unacceptable with convention techniques. A common misconception among surgeons is that patients recovering from patella fracture fixation mostly do well. However, this is likely because patients are not followed long enough post-operatively. Anterior knee pain after patellar fracture fixation is a common complaint during daily activity. Potential causes include patella baja, extensor mechanism malalignment, articular injury and posttraumatic arthritis, painful implants, or avascular necrosis. This anterior knee pain leads to limited rehabilitation and functional impairment. 
     Still another surgical option is to perform a partial or total patellectomy, though these procedures are typically reserved for extreme cases such as open injuries. Patellectomy procedures produce a high risk for creating patella baja, and bone-to-bone healing is preferred over tendon-to-bone healing. Also, a partial patellectomy procedure is likely to disrupt the main blood supply to the patella as it enters the inferior pole. 
     In other instances of an isolated inferior pole fracture that does not include the articular surface, fracture repairs are sometimes performed with what are commonly known as Krackow sutures. In particular, Krackow sutures are placed on the medial and lateral aspects of the patellar tendon, and retrograde drill holes are created from the interior pole to the superior apex of the patella. The sutures are then passed through the drill holes and tied over the superior bony edge of the patella. 
     SUMMARY 
     In one aspect of the present disclosure, a patella bone plate includes a fixation body that, in turn, includes a fixation hub and a plurality of fixation nodes. The fixation hub can have an inner surface configured to face the patella bone and an outer surface opposite the inner surface. The fixation hub can define include an array of fixation holes that extend from the inner surface to the outer surface. The fixation nodes can extend from the fixation hub and can each define a respective fixation hole. The bone plate can further include at least one leg that extends out from the body, the at least one leg being deformable and having a length sufficient so as to wrap around an inferior rim of the patella, the at least one leg including at least one fixation hole. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
       The following detailed description will be better understood when read in conjunction with the appended drawings, in which there is shown in the drawings example embodiments for the purposes of illustration. It should be understood, however, that the present disclosure is not limited to the precise arrangements and instrumentalities shown. In the drawings: 
         FIG.  1 A  is a perspective view of a patella fixation system including a bone plate and a plurality of bone anchors secured to a fractured patella through fixation holes of the bone plate; 
         FIG.  1 B  is an exploded perspective view of the patella fixation system illustrated in  FIG.  1 A ; 
         FIG.  2 A  is an enlarged top plane view of a portion of the bone plate illustrated in  FIG.  1 A , showing one of the fixation holes; 
         FIG.  2 B  is a sectional elevation view of the fixation hole illustrated in  FIG.  2 A  with a variable-angle bone screw threadedly purchased therein in a first angular orientation; 
         FIG.  2 C  is a sectional elevation view of the fixation hole illustrated in  FIG.  2 B , showing the variable-angle bone screw threadedly purchased therein in a second angular orientation different than the first angular orientation; 
         FIG.  3 A  is a top plan view of the bone plate illustrated in  FIG.  1 A , shown having a fixation body and fixation legs extending from the fixation body; 
         FIG.  3 B  is a bottom plan view of the bone plate illustrated in  FIG.  3 A ; 
         FIG.  3 C  is a top perspective view of the bone plate illustrated in  FIG.  3 A ; 
         FIG.  3 D  is a bottom perspective view of the bone plate illustrated in  FIG.  3 A ; 
         FIG.  3 E  is a side elevation view of the bone plate illustrated in  FIG.  3 A ; 
         FIG.  3 F  is a sectional elevation view of a portion of the bone plate illustrated in  FIG.  3 A ; 
         FIG.  4 A  is a top plan view of a bone plate similar to the bone plate illustrated in  FIG.  3 A , but shown having shorter fixation legs; 
         FIG.  4 B  is a bottom plan view of the bone plate illustrated in  FIG.  4 A . 
         FIG.  5 A  is a top plan view of a bone plate similar to the bone plate illustrated in  FIG.  3 A , but shown without fixation legs in one example. 
         FIG.  5 B  is a bottom plan view of the bone plate illustrated in  FIG.  5 A ; 
         FIG.  6 A  is a top plan view of a bone plate similar to the bone plate illustrated in  FIG.  5 A , but showing the fixation body having additional fixation holes in one example. 
         FIG.  6 B  is a bottom plan view of the bone plate illustrated in  FIG.  6 A ; 
         FIG.  7 A  is a top plan view of a bone plate similar to the bone plate illustrated in  FIG.  6 A  but shown having shorter fixation legs; 
         FIG.  7 B  is a bottom plan view of the bone plate illustrated in  FIG.  7 A ; 
         FIG.  8 A  is a top plan view of a bone plate similar to the bone plate illustrated in  FIG.  6 A , but shown without fixation legs; 
         FIG.  8 B  is a bottom plan view of the bone plate illustrated in  FIG.  8 A ; 
         FIG.  9 A  is a side elevation view of the patella fixation assembly illustrated in  FIG.  1 A , showing a first fixation leg secured to a medial aspect of a fractured patella; 
         FIG.  9 B  is another side elevation view of the patella fixation assembly showing a second fixation leg secured to a lateral aspect of the fractured patella; 
         FIG.  9 C  is a top plan view of the patella fixation assembly showing an inferior fixation leg secured to an inferior pole of the fractured patella; 
         FIG.  9 D  is a sectional side elevation view of the bone plate as illustrated in  FIG.  3 F , shown secured to the patella; 
         FIG.  9 E  is a top plan view of the patella fixation assembly similar to  FIG.  9 C , but showing the bone plate with the inferior fixation leg removed; 
         FIG.  10 A  is a perspective view of the patella fixation system illustrated in  FIG.  1 A , but showing the a bone plate secured to the fractured patella in a different orientation; 
         FIG.  10 B  is a perspective view of the patella fixation system illustrated in  FIG.  10 A , but showing the a bone plate secured to the fractured patella in a another different orientation; 
         FIG.  10 C  is a perspective view of the patella fixation system illustrated in  FIG.  10 B , but showing the a bone plate secured to the fractured patella in a still another different orientation; and 
         FIG.  11    is a perspective view of a bone plate similar to the bone plate illustrated in  FIG.  6 A , but shown having first and second groups of fixation legs. 
     
    
    
     DETAILED DESCRIPTION 
     Referring initially to  FIGS.  1 A- 1 B , bone plate  20  is configured for fixation to an underlying bone  21 . The underlying bone  21  can be defined by the patella bone  23 . In particular, the bone plate  20  can be configured to be fixed to a fractured patella bone so as to stabilize the fractured patella so as to promote healing. As will be appreciated from the description below, the bone plate  20  can be configured to stabilize a heavily comminuted fractures of the patella bone. The bone plate  20  can be a titanium bone plate, a stainless steel bone plate, or any alternative suitable biocompatible made as desired that possesses the requisite strength for patella fixation. 
     The bone plate  20  can define an inner surface  22  that is designed and configured to face the underlying bone  21 , and an outer surface  24  opposite the inner surface  22 . At least a portion of the inner surface  22  can further be configured to abut the underlying bone  21 . The bone plate  20  can include a fixation body  26  that includes a fixation hub  28  that is configured to secure to an anterior aspect of the patella  23 . The fixation body  26  can further include at least one fixation node  54  such as a plurality of fixation nodes  54  that are disposed radially outward with respect to the fixation hub  28 . The inner surface  22  at the fixation body  26  can be concave. Thus, the inner surface  22  at either or both of the fixation hub  28  and the fixation nodes  54  can be concave. In one example, the inner surface  22  at the fixation body  26  can be substantially dome shaped. The term “substantially” as used herein with respect to sizes and shapes can include any value within 20% of the stated size and shape unless otherwise indicated. In some examples, the bone plate  20  can further include at least one fixation leg  29  that extends out from the fixation body  26 . As will be appreciated from the discussion below, the fixation legs  29  extend inferiorly from the fixation body  26  when the fixation hub is positioned on the anterior surface of the patella  23 . A first one of the fixation legs  29  can be configured to be secured to an inferior medial aspect of the patella  23 . A second one of the fixation legs  29  can be configured to be secured to an inferior lateral aspect of the patella  23 . A third one of the fixation legs  29  can be configured to be secured to an inferior pole of the patella  23 . Thus, the fixation legs  29  can include a middle leg and a pair of outer legs disposed on opposed sides of the middle leg. 
     The hub  28  can define a plurality of fixation holes  32  that extend from the outer surface  24  to the inner surface  22 . The fixation holes  32  are configured to receive a bone anchor  34  that threadedly purchases with the patella. In this regard, it should be appreciated that the bone anchor  34  can threadedly purchase with the patella bone or with fractured patellar bone fragments depending on the position of the respective fixation hole  32 . Further, the bone anchors  34  can have different lengths as desired. Thus, at least one of the bone anchors  34  can be sized to be driven into multiple bone fragments if desired. 
     A patella fixation system  25  can include the bone plate  20  and at least one bone anchor  34  that is configured to secure the bone plate  20  to the underlying bone. In one example, at least one of the fixation holes  32  up to all of the fixation holes  32  can be configured as a locking hole having at least one thread  36  that is configured to threadedly purchase with the bone anchor  34  when the bone anchor is driven into the fixation hole  32 . 
     In one example, the bone anchors  34  can include an anchor head  38  and a shaft  40  that extends from the anchor head  38  along a central anchor axis  39 . The shaft  40  can be threaded along a portion of its length up to an entirety of its length, for instance when the bone anchor  34  is provided as a screw. Thus, rotation of the bone anchor  34  in a first direction while the shaft  40  is purchased in the underlying bone can cause the shaft  40  to drive into the underlying bone  21 . Conversely, rotation of the bone anchor  34  in a second direction opposite the first direction while the shaft  40  is purchased in the underlying bone can cause the shaft  40  to be removed from the underlying bone  21 . In another example, the shaft  40  can be smooth along its length, for instance when the bone anchor  34  is configured as a nail, rivet, or pin. In one example, the anchor head  38  can be configured as a locking head whereby an external surface of the anchor head  38  is threaded. The anchor head  38  is configured to threadedly purchase with the bone plate  20  in the fixation hole  32 . The fixation hole  32  extends along a central hole axis  33  from the outer surface  24  to the inner surface  22 . 
     Referring now also to  FIGS.  2 A- 2 C , the fixation hole  32  can be configured as a variable angle fixation hole whereby the anchor head  38  is configured to threadedly purchase with the bone plate  20  in the fixation hole  32  when the central anchor axis  39  and the central hole axis  33  define any angle therebetween within a predetermined range of angles whereby the shaft  40  is driven into the underlying bone  21 . Accordingly, the angle defined by the central anchor axis  39  and the central hole axis  33  is adjustable within the range of angles, such that the central anchor axis  39  is angularly offset with respect to the central hole axis  33  at any angle as desired within the range of angles. In one example, the bone anchor  34  can be inserted into the fixation hole  32  such that the central anchor axis  39  is coaxial with the central hole axis  33  or at any angle relative to the central hole axis  33  within the range of angles. The range of angles can be between and include 0 degrees and 15 degrees. The outer surface of the anchor head  38  can be round or substantially spherical as illustrated in  FIGS.  3 E-F , or substantially conically shaped or alternatively shaped as desired. 
     In accordance with the illustrated example, the fixation hole  32  can be defined by an interior surface  42  that extends from the outer surface  24  to the inner surface  22 . The fixation hole  32  can be configured as a variable-angle locking hole in one example. Thus, the interior surface  42  can include a plurality of scalloped portions  44 , which can be unthreaded, that extend into the interior surface and interrupt the at least one thread  36 . Accordingly, the scalloped portions  44  separate the at least one thread  36  into a corresponding plurality of columns  46  of thread segments  37  that are spaced from each other, such that ones of the scalloped portions  44  are disposed between adjacent ones of the columns  46  along a circumferential direction about the central hole axis  33 . In one example, the fixation hole  32  can include three scalloped portions  44 , four scalloped portions  44 , or any suitable alternative number of scalloped portions  44  as desired. Each of the scalloped portions  44 , the columns  46 , and the anchor head  38  can be shaped substantially as described in U.S. Pat. No. 8,343,196, the disclosure of which is hereby incorporated by reference as if set forth herein. 
     The thread segments  37  can be defined by any number of threads  36  as desired. The threads  36  can be adapted and configured to engage external threads  41  of the anchor head  38  and can extend along paths which, if continued across the gaps defined by the scalloped portions  44 , would form a helical threading with a substantially constant pitch corresponding to the external threads  41  of the anchor head  38 . The anchor head  38  can have an externally spherical shape that allows the external threads  41  to threadedly purchase with the thread segments  37  whether the bone anchor  34  is inserted co-axially with the central hole axis  33  as shown in  FIG.  2 B , or angularly offset from the central hole axis  33  within the range of angles, as shown in  FIG.  2 C . 
     The columns  46  can have any suitable shape as desired. In accordance with one example, the fixation hole can have a complex shape including a first portion  47   a  that tapers radially inward toward the central hole axis  33  from the outer surface  24  toward the inner surface  22 , and a second portion  47   b  that tapers radially outward away from the central hole axis  33  from the first portion  47   a  to the inner surface  22  of the bone plate  20 . The first and second portions  47   a  and  47   b  can be unthreaded. The first portions  47   a  can be arranged along a first substantially conical shape centered on the central hole axis  33 , and the second portions  47   b  can be arranged along a second substantially conical shape centered on the central hole axis  33 . The scalloped portions  44  between the columns  46  can be, for example, substantially cylindrically shaped and extend radially outward beyond the first and second conical shapes, thereby extending the range of angulation of the bone anchor  34  when the bone anchor  34  is inserted into the fixation hole  32 , for instance when the shaft  40  extends into one of the scalloped portions  44 . 
     In accordance with the illustrated embodiment, the fixation hole  32  can include four columns  46  of thread segments  37  that are spaced about the circumference of the fixation hole  32 . For instance, columns  46  of thread segments  37  can be spaced substantially equidistantly from one another about the circumference of the fixation hole  32 . Thus, the scalloped portions  44  can define widths measured circumferentially about the central hole axis  33  that are substantially equal to one another. It should be appreciated, however, that the fixation hole  32  can include any number of columns  46  arranged in any number of patterns as desired. Furthermore, it should be appreciated that the columns  46  can alternatively be spaced about the circumference of the fixation hole  32  by varying distances, and the columns  46  and scalloped portions  44  can have different circumferential widths as well. 
     While one or more of the fixation holes  32  up to all of the fixation hole  32  can be configured as a variable angle locking hole in the manner described above, it should be appreciated that one or more of the fixation holes  32  up to all of the fixation holes  32  can be alternatively constructed as desired. For instance, at least one of the fixation holes  32  can be configured as a standard-type fixed angle locking hole. In particular, the bone plate  20  is configured to threadedly mate with the anchor head  38  in the fixation hole  32  only when the bone anchor  34  is oriented at a predetermined orientation with respect to the central hole axis  33 . In this example, the thread  36  can extend continuously along its respective helical path along multiple revolutions about the central hole axis  33  so as to purchase with the anchor head  38 . The predetermined orientation can be a nominal orientation whereby the central anchor axis  39  is coincident with the central hole axis  33 . Alternatively, the predetermined orientation can be defined when the central anchor axis  39  is oriented oblique to the central hole axis  33 . In certain examples, the anchor head  38  can be configured to threadedly mate with the bone plate  20  in the fixation hole  32  only when the bone anchor  34  is oriented at the predetermined orientation. 
     Alternatively or additionally still, at least one of the fixation holes  32  up to all of the fixation holes  32  can be configured as an unthreaded compression hole. Thus, one or more of the bone anchors  34  can be configured as a compression anchor whose anchor head  38  defines a compression head that is configured to bear against the bone plate  20  in the compression hole so as to apply a compressive force against the bone plate  20  toward or against the underlying bone. The interior surface  42  can extend between the outer surface  24  and the inner surface  22  so as to at least partially define the fixation hole  32 . During operation, the shaft  40  of the bone anchor  34  can be inserted through the fixation hole  32  and driven into the underlying bone  21 . When at least a portion of the shaft  40  is threaded, rotation of the bone anchor  34  causes the anchor head  38  to compress against the interior surface  42 . As a result, the anchor head  38  causes the bone plate  20  to apply a compressive force against the underlying bone  21 . The external surface of the anchor head  38  can be unthreaded. Similarly, at least a portion up to an entirety of the interior surface  42  that abuts the unthreaded external surface of the anchor head  38  can be unthreaded. 
     Alternatively or additionally still, at least one other ones of the fixation holes  32  can be a combination hole, whereby a threaded locking hole portion and an unthreaded compression hole portion intersect each other to define the combination hole. The bone anchor  34  can be selectively driven into the threaded locking hole portion and the unthreaded compression hole portion. The threaded locking hole portion can define a variable angle locking hole portion or a standard type locking hole portion as desired. 
     Referring now to  FIGS.  3 A- 3 D , and as described above, the fixation body  26  of the bone plate  20  can include the fixation hub  28  and the at least one fixation node  54  that is disposed radially out with respect to the fixation hub  28 . The bone plate  20  can be preformed such that the inner surface  22  at the fixation body  26  can define a concavity. Thus, the outer surface  24  at the fixation body  26  can be convex. In one example, the inner surface at the fixation body  26  can be substantially dome shaped. Thus, the bone plate  20  as-manufactured can generally conform to the patella bone  23 . In one example, the dome shape of the inner surface  22  at the fixation body  26  can be defined by any suitable radius as desired. For instance, the radius can in a range from approximately 25 mm to approximately 75 mm. In one example, the range can be from approximately 40 mm to approximately 60 mm. In particular, the radius can be approximately 50 mm. It should be appreciated that the concavity of the inner surface  22  can define any suitable geometry as desired other than a dome. During operation, the inner surface  22  is more preformed to the outer surface of the patella  23  (see  FIG.  1 A ) than conventional flat bone plates. It is envisioned that in some circumstances the fixation body  26  may be manipulated in situ to better confirm to the patella  23 . In this regard, it should be appreciated that the fixation body  26  can be flexible and deformable so as to conform the fixation plate  20  to the underlying bone  21 . 
     Referring now to  FIGS.  3 A- 3 B , the fixation hub  28  is configured to be secured to one or more bone fragments of the patella  23  as desired. The fixation hub  28  can define a geometric center  48  that defines a central hub axis  35 . The fixation hub  28  can define a fixation hole  32  at the geometric center  48 . The central hole axis  33  of the fixation hole  32  at the geometric center  48  can be coincident with the central hub axis  35 . Thus, reference to the central hole axis  33  of the fixation hole at the geometric center  48  can apply more generally to the central hub axis  35  whether or not the geometric center defines a fixation hole  32 . 
     The fixation hub  28  can further include an array  50  of fixation holes  32 . The array  50  can be a circumferential array. The fixation holes  32  of the array  50  can be arranged along a path that extends about the geometric center  48 . For instance, the path can be a closed path that surrounds the geometric center  48 . In one example, the path of the array  50  can define a circle. The central hub axis  35  can define the center of the circle. The central hole axes  33  (see  FIG.  2 B ) can lie on the circle. In one example, the fixation holes  32  can be spaced equidistantly from each other along the circle. Alternatively, the fixation holes  32  can be spaced at variable distances from each other. Further, while the fixation holes  32  of the array  50  can be arranged on the circular path, it should be appreciated that the fixation holes  32  of the array  50  can be alternatively arranged as desired. For instance, the fixation holes  32  of the array  50  can lie on any curved path. The curved path can define an ellipse in one example. Alternatively, the path can define a polygon. For instance, the central hole axes  33  can define the vertices, respectively, of the polygon. In one example, as illustrated in  FIGS.  3 A- 3 B , the polygon can be a regular polygon. Alternatively, the polygon can be an irregular polygon. In this regard, it should be appreciated that the fixation body  26  can be symmetrical or asymmetrical as desired. 
     In one example, the array  50  can include six fixation holes  32 . Thus, the regular polygon can be configured as a hexagon. It should be appreciated, however, that the array  50  can include any number of fixation holes  32  as desired. In one example, the fixation hole  32  at the geometric center  48  and the fixation holes  32  of the array  50  can constitute all fixation holes  32  of the fixation hub  28 . Alternatively, the fixation hub  28  can include at least one additional fixation hole  32  in addition to the fixation hole  32  at the geometric center  48  and the fixation holes  32  of the array  50 . The at least one additional fixation hole  32  can be disposed between the geometric center  48  and the array  50 . Alternatively or additionally, the at least one additional fixation hole  32  can be disposed radially outward of the array  50 . Thus, the array  50  can be disposed between the at least one additional fixation hole  32  and the geometric center  48 . 
     The fixation body  26  can include at least one aperture  52  that extends through the fixation hub  28  from the outer surface  24  to the inner surface  22 . For instance, the fixation body  26  can include a plurality of apertures  52  that extend through the fixation hub  28  from the outer surface  24  to the inner surface  22 . The fixation body  26  can include any number of apertures  52  as desired. Further, the apertures  52  can be of any suitable size and shape as desired. Further still, the apertures  52  can be positioned at any location as desired. In one example, the apertures  52  can be elongate. For instance, the apertures  52  can be elongate along a respective central axis  59 . The central axes  59  of the apertures  52  can define tangents along a respective common circle that surrounds the geometric center  48  of the fixation hub  28 . Further, the geometric center of the apertures  52  can lie on the respective circle. Thus, the geometric centers of the apertures  52  can be circumferentially aligned with each other. For instance the geometric center  48  of the fixation hub  28  can define the center of the respective circle. Thus, the respective circle of the apertures  52  can be concentric with the circle defined by the path of the array  50  of fixation holes  32 . The respective circle of the apertures  52  can define an inner circle of the fixation hub  28 . The circle of the array  50  of fixation holes  32  can define an outer circle of the fixation hub  28  that surrounds the inner circle of the fixation hub  28 . 
     The geometric centers of the apertures  52  can be radially aligned with each of the fixation hole  32  at the geometric center  48  and an aligned one  32   a  of the fixation holes  32  of the array  50 , with respect to a top plan view of the bone plate. For instance, the geometric centers of the apertures  52  can lie on a respective straight line  53  that extends from the central hole axis  33  of the fixation hole  32  at the geometric center  48  of the hub  28  to the central hole axis  33  of respective aligned ones of the fixation holes  32  of the array  50 . The geometric centers of the apertures  52  can lie on the respective central axes  59 . Thus, the respective straight line  53  can be said to intersect the central axis  59  of the apertures. The apertures  52  can be partially defined by respective inner sides that can partially define the fixation hole  32  at the geometric center  48 . The apertures  52  can be partially defined by respective outer sides that can partially define the respective aligned ones of the fixation holes  32  of the array  50 . The apertures  52  can define respective ends that each lie on respective straight lines  55  that extend from the central hub axis  35  to a location circumferentially between adjacent ones of the fixation holes  32  of the array  50 , with respect to one or both of a top plan view and bottom plan view of the bone plate  20 . One of the adjacent ones of the fixation holes  32  can be defined by the respective aligned one  32   a  of the fixation holes  32 . The central hole axis  33  of the other  32   b  of the adjacent ones of the fixation holes  32  can lie on the respective straight line  55  that extends to the central hole axis  33  of the fixation hole  32  at the geometric center  48  of the hub  28  without passing through any of the apertures  52 . 
     As described above, the apertures  52  can be elongate along the respective central axis  59 . For instance, the apertures  52  can be dog bone shaped in one example. However, the apertures  52  can define any suitable alternative shape as desired. For instance, the apertures  52  can be oval shaped or rectangular. Alternatively, the apertures  52  can be constructed as a circle, a regular polygon, or an irregular polygon. Further, the apertures  52  can be circumferentially equidistantly spaced from each other. Alternatively, the apertures  52  can be variably spaced from each other. Further still, the apertures  52  can be constructed such that their respective geometric centers are not in circumferential alignment with each other. 
     The apertures  52  can be sized greater than the fixation holes  32 . For instance, the apertures  52  can be sufficiently sized so as to define visualization windows that allow for visibility of the underlying patella. For instance, the user can visualize the patella through the visualization windows both as the bone plate  20  is being placed onto the patella, and after the bone plate  20  has been placed onto the patella. Thus, the surgeon can visually align the fixation holes  32  with respective bone fragments to which the bone plate  20  is to be secured. The apertures  52  can further assist in the malleability of the bone plate  20 , which allows the bone plate  20  to be bent as desired so as to better conform to the patella. Further, the apertures  52  can define herniation holes that allow for soft tissue to herniate through the apertures  52 . For instance, when the bone plate  20  is placed against the patella and secured to the patella, soft tissue residing between the patella bone and the bone plate  20  can herniate through the apertures  52 , thereby reducing the profile of the bone plate  20  with respect to the epidermis. 
     With continuing reference to  FIGS.  3 A- 3 D , and as described above, the fixation body  26  can include a plurality of fixation nodes  54  that are disposed radially outward with respect to the fixation hub  28 . The fixation nodes  54  can be supported by the fixation hub  28 . Each of the fixation nodes  54  can define at least one fixation hole  32 . Thus, the fixation nodes  54  can be configured to secure to one or more bone fragments of the patella  23  as desired. For instance, each of the fixation nodes  54  can define a single fixation hole  32 . In one example, each of the fixation nodes  54  can define an eyelet  56  that, in turn, defines the fixation hole  32 . The eyelet  56  can define an annular wall having an inner surface that defines the interior surface  42  of the respective fixation hole  32 . The eyelet  56  can further define an outer surface  61  opposite the inner surface that defines an exterior surface  43  of the fixation node  54 . 
     The bone plate  20 , and in particular the body  26  of the bone plate  20 , can define at least one arm  58 , such as a plurality of arms  58 , that extends radially outward from the fixation hub  28  to a respective at least one of the fixation nodes  54 . Thus, each of the fixation nodes  54  can be attached to the fixation hub  28  by the respective arms  58 . For instance, the at least one arm  58  can extend to the outer surface  61  of the eyelet  56 . In one example, the at least one arm  58  can include at least one pair of arms  58  that includes first and second arms  58   a  and  58   b . Thus, each of the fixation nodes  54  can be secured to the fixation hub  28  by a respective pair of arms  58 . Each pair of arms  58  can be defined by a first arm  58   a  and a second arm  58   b . The arms  58   a  and  58   b  of each pair can converge toward each other as they extend from the fixation hub  28  to the respective one of the fixation nodes  54 . Each of the arms  58  can be devoid of fixation holes that are designed and configured to receive a fixation screw so as to attach the bone plate  20  to the underlying bone  21 . Further, each of the arms  58  can extend from the fixation hub  28  to the respective one of the nodes  54  along an arm axis that intersects the central hole axis  33  of a respective aligned one of the fixation holes  32  of the array  50 . The respective aligned one of the fixation holes  32  of the first arm  58   a  can be adjacent to the respective aligned one of the fixation holes  32  of the second arm  58   b  along the array  50 . 
     Referring to  FIG.  3 F , the inner surface  22  at the arms  58  can be recessed toward the outer surface  24  with respect to the inner surface  22  at each of the fixation nodes  54  and the fixation hub  28 . Thus, as will be described in more detail below, the inner surface  22  at the fixation hub  28  and the nodes  54  can be configured to abut the underlying bone  21 , while the arms  58  remain spaced from the underlying bone  21 . Further, the inner surface  22  of the bone plate  20  can be planar. The outer surface  24  of the bone plate  20  can be rounded. Referring again to  FIGS.  3 A- 3 B , the first and second arms  58   a  and  58   b  of each pair of arms  58  can cooperate with the fixation hub  28  so as to define a respective aperture  60  that extends through the fixation body  26 . Thus, the apertures  60  can extend through the fixation body  26  at a location radially between the fixation nodes  54  and the fixation hub  28 . The apertures  60  can be referred to as outer apertures. The apertures  52  can be referred to as inner apertures. 
     The apertures  60  can be sized greater than the fixation holes  32 . For instance, the apertures  60  can be sufficiently sized so as to define visualization windows that allow for visibility of the underlying patella. For instance, the user can visualize the patella through the visualization windows both as the bone plate  20  is being placed onto the patella, and after the bone plate  20  has been placed onto the patella. Thus, the surgeon can visually align the fixation holes  32  with respective bone fragments to which the bone plate  20  is to be secured. The apertures  60  can further assist in the malleability of the bone plate  20 , which allows the bone plate  20  to be bent as desired so as to better conform to the patella. Further, the apertures  60  can define herniation holes that allow for soft tissue to herniate through the apertures  60 . For instance, when the bone plate  20  is placed against the patella and secured to the patella, soft tissue residing between the patella bone and the bone plate  20  can herniate through the apertures  60 , thereby reducing the profile of the bone plate  20  with respect to the epidermis. 
     The fixation nodes  54  of at least one first pair of adjacent fixation nodes  54  can be spaced circumferentially from each other a first distance, and the fixation nodes  54  of at least one second pair of adjacent fixation nodes  54  can be spaced circumferentially from each other a second distance that is different than the first distance. For instance, the second distance can be greater than the first distance. The at least one first pair of adjacent fixation nodes  54  can be defined by all pairs of adjacent fixation nodes  54 , with respect to a single pair that defines the second pair of adjacent fixation nodes  54 . The fixation nodes  54  of the second pair can be the inferior-most fixation nodes  54  of the bone plate  20  when the bone plate  20  is secured to the patella  23 . It should be appreciated that the nodes  54  can be arranged about the fixation hub  28  in any manner as desired. For instance, the second distance can be equal to the first distance. Thus, in one example, the fixation nodes  54  can be equidistantly spaced circumferentially about the fixation hub  28 . While the bone plate  20  can include six fixation nodes  54 , it should be appreciated that the bone plate  20  can include any number of fixation nodes  54  as desired. For instance, the bone plate  20  can include more than six fixation nodes  54 . Alternatively, the bone plate  20  can include fewer than six fixation nodes  54 . 
     Referring now to  FIGS.  3 A- 3 D , and as described above, the bone plate  20  can further include at least one fixation leg  29 , such as a plurality of fixation legs  29 , that extends out from the fixation body  26 . Each of the fixation legs  29  can include at least one fixation hole  32 . Thus, each of the fixation legs  29  can be configured to secure to the patella  23  or one or more bone fragments of the patella  23  as desired. The fixation legs  29  can include a first fixation leg  62  that is configured to be secured to an inferior medial aspect of the patella  23 . Thus, in one example, the first fixation leg  62  can be referred to as an inferior medial fixation leg. The first fixation leg  62  can extend both inferiorly and medially from the fixation body  26 , and thus can be configured to secure to an inferior medial aspect of the patella  23 . The fixation legs  29  can further include a second fixation leg  64  that is configured to be secured to an inferior lateral aspect of the patella  23 . Thus, the second fixation leg  64  can be referred to as an inferior lateral fixation leg. The second fixation leg  64  can extend both inferiorly and laterally from the fixation body  26 , and thus can be configured to secure to a lateral inferior aspect of the patella  23 . The fixation legs  29  can further include a third fixation leg  66  that is configured to be secured to the inferior pole of the patella  23 . Thus, the third fixation leg  66  can be referred to as an inferior fixation leg  66  in certain examples. The third fixation leg  66  can be circumferentially disposed between the first and second fixation legs  62  and  64 . The hub, the nodes, and the legs  62 - 66  can all be monolithic with each other so as to define a single unitary structure. It should be appreciated that the at least one fixation leg  29  can include one or more up to all of the first, second, and third fixation legs  62 - 66 . Thus, reference to the second leg  64  does not necessarily imply that the bone plate  20  includes the first leg  62 . Further, reference to the third leg  66  does not necessarily imply that the bone plate  20  includes the first and second legs  62  and  64 , respectively. 
     It should be appreciated that the bone plate  20  can be configured to be secured to the patella of a patent&#39;s right knee or a patient&#39;s left knee. In this regard, it should be appreciated that the medial fixation leg when the bone plate  20  is secured to the patella of a patient&#39;s right knee becomes the lateral fixation leg when the bone plate  20  is secured to the patella of a patient&#39;s left knee. Similarly, the lateral fixation leg when the bone plate  20  is secured to the patella of a patient&#39;s right knee becomes the medial fixation leg when the bone plate  20  is secured to the patella of a patient&#39;s left knee. Thus, reference to the medial fixation leg  62  and the lateral fixation leg  64  is by way of example only, it being appreciated that the medial fixation leg  62  and the lateral fixation leg  64  can be reversed. 
     The fixation legs  29  can extend from any location of the fixation body  26  as desired. In one example, the first fixation leg  62  can extend from a first one of the fixation nodes  54 . The second fixation leg  64  can similarly extend from a second one of the fixation nodes  54 . The first and second fixation nodes  54  can define the second pair of fixation nodes  54  described above. The third fixation leg  66  can extend from the fixation body  26  at a location between the first and second ones of the fixation nodes  54  of the second pair. In one example, the third fixation leg  66  can extend from an eyelet that defines one of the fixation holes  32  of the array  50 . In particular, the third fixation leg  66  can extend from the eyelet that defines the inferior-most one of the fixation holes  32  of the array  50 , and thus of the fixation hub  28 . Thus, the third fixation leg  66  can be elongate along a respective central axis that intersects the central hole axis  33  of the inferior-most fixation hole  32  of the fixation hub  28 . The first and second fixation legs  62  and  64  can extend from the fixation body  26  along respective central axes that are offset from the central hub axis  35 . The third fixation leg  66  can extend from the fixation body  26  along a respective central axis that intersects the central hub axis  35 . 
     The fixation legs  29  can define any number of fixation holes  32  as desired. In one example, the first fixation leg  62  can define first and second fixation holes  32  that are spaced from each other radially along the fixation leg  62 . In particular, the first fixation leg  62  can support at least one medial eyelet  68  that defines a respective fixation hole  32 . In one example, the at least one medial eyelet  68  can include first and second medial eyelets  68  that each defines a respective fixation hole  32 . The first medial eyelet  68  can be disposed at a distal terminal end of the first fixation leg  62 . Thus, the first medial eyelet  68  can also be referred to as a terminal medial eyelet  68 . The fixation hole  32  defined by the first medial eyelet  68  can be referred to as a terminal fixation hole  32 . The second medial eyelet  68  can be disposed between the fixation body  26  and the terminal end of the first fixation leg  62 . Thus, the second medial eyelet  68  can be referred to as an intermediate medial eyelet  68 . The fixation hole  32  defined by the second medial eyelet  68  can be referred to as an intermediate medial fixation hole  32 . It should be appreciated that the first fixation leg  62  can include any number of intermediate medial eyelets  68  as desired. The intermediate medial eyelets  68  can be spaced from each other along the respective first fixation leg  62 . Alternatively, as illustrated in  FIGS.  4 A- 4 B , the at least one medial eyelet  68  can include only the first medial eyelet  68  and no other medial eyelets  68 . 
     The second fixation leg  64  can also define first and second fixation holes  32  that are spaced from each other radially along the second fixation leg  64 . In particular, the second fixation leg  64  can support at least one lateral eyelet  70  that defines a respective fixation hole  32 . In one example, the at least one lateral eyelet  70  can include first and second lateral eyelets  70  that each defines a respective fixation hole  32 . The first lateral eyelet  70  can be disposed at a distal terminal end of the second fixation leg  64 . Thus, the first lateral eyelet  70  can also be referred to as a terminal lateral eyelet  70 . The fixation hole  32  defined by the first lateral eyelet  70  can be referred to as a terminal fixation hole  32 . The second lateral eyelet  70  can be disposed between the fixation body  26  and the terminal end of the second fixation leg  64 . Thus, the second lateral eyelet  70  can be referred to as an intermediate lateral eyelet  70 . The fixation hole  32  defined by the second lateral eyelet  70  can be referred to as an intermediate lateral fixation hole  32 . It should be appreciated that the second fixation leg  64  can include any number of intermediate lateral eyelets  70  as desired. The intermediate lateral eyelets can be spaced from each other radially along the respective second fixation leg  64 . Alternatively, as illustrated in  FIGS.  4 A- 4 B , the at least one lateral eyelet  70  can include only the first lateral eyelet  70  and no other lateral eyelets  70 . 
     The third fixation leg  66  can also define first and second fixation holes  32  that are spaced from each other radially along the third fixation leg  66 . In particular, the third fixation leg  66  can support at least one inferior eyelet  72  that defines a respective fixation hole  32 . In one example, the at least one inferior eyelet  72  can include first and second inferior eyelets  72  that each defines a respective fixation hole  32 . The first inferior eyelet  72  can be disposed at a distal terminal end of the third fixation leg  66 . Thus, the first inferior eyelet  72  can also be referred to as a terminal inferior eyelet  72 . The fixation hole  32  defined by the first inferior eyelet  72  can be referred to as a terminal fixation hole  32 . The second inferior eyelet  72  can be disposed between the fixation body  26  and the terminal end of the third fixation leg  66 . Thus, the second inferior eyelet  72  can be referred to as an intermediate inferior eyelet  72 . The fixation hole  32  defined by the second inferior eyelet  72  can be referred to as an intermediate inferior fixation hole  32 . It should be appreciated that the third fixation leg  66  can include any number of intermediate inferior eyelets  72  as desired. The intermediate inferior eyelets  72  can be spaced from each other radially along the respective third fixation leg  66 . Alternatively, as illustrated in  FIGS.  4 A- 4 B , the at least one inferior eyelet  68  can include only the first inferior eyelet  72  and no other inferior eyelets  72 . 
     In this regard, referring to  FIGS.  4 A- 4 B , it should be appreciated the bone plate  20  can be constructed with shorter fixation legs  29  than those illustrated in  FIGS.  3 A- 3 E . Otherwise stated, the at least one of the first, second and third fixation legs  62 - 66  of the bone plate  20  illustrated in  FIGS.  4 A- 4 B  can be shorter than a corresponding at least one of the first, second and third fixation  62 - 66  the bone plate  20  illustrated in  FIGS.  3 A- 3 F . Thus, as will be appreciated with respect to the description of  FIGS.  9 A- 9 E  below, a surgeon can select the bone plate illustrated in  FIGS.  3 A- 3 F  if additional positional flexibility for the bone anchors is desired along the fixation legs  29 . Alternatively or additionally, the surgeon can select the bone plate illustrated in  FIGS.  3 A- 3 F  if additional length of at least one of the fixation legs  29  is desired. Additional length can be desired to allow the bone anchor to be driven into one of the bone fragments. Alternatively or additionally, additional length of at least one or more of the fixation legs  29  may be desired in order to bend the one or more fixation legs  29  in such a manner so as to cradle and compress the bone fragments against each other. The fixation body  26  of the bone plate  20  illustrated in  FIGS.  4 A- 4 B  can be as described with respect to the bone plate illustrated in  FIGS.  3 A- 3 F . Thus, the description of the fixation body  26  with respect to  FIGS.  3 A- 3 F  can apply equally to the fixation body  26  illustrated in  FIGS.  4 A- 4 B . 
     Alternatively still, referring to  FIGS.  5 A- 5 B , the bone plate  20  can be constructed without one or more of the fixation legs  29  up to all of the fixation legs  29 . Thus, as will be appreciated with respect to the description of  FIGS.  9 A- 9 E  below, a surgeon can select the bone plate  20  illustrated in  FIGS.  5 A- 5 B  if it is not desired to secure the bone plate to the inferior aspect of the patella  23 . The fixation body  26  of the bone plate  20  illustrated in  FIGS.  5 A- 5 B  is the same as the fixation body  26  illustrated and described above with respect to the bone plate  20  illustrated in  FIGS.  3 A- 3 F . Thus, the description of the fixation body  26  with respect to  FIGS.  3 A- 3 F  can apply equally to the fixation body  26  illustrated in  FIGS.  5 A- 5 B . In one example, the outer surface  24  of the bone plate  20  illustrated in  FIGS.  5 A- 5 B  can define an open area that is a percentage of an overall area of the outer surface  24 . The overall area of the outer surface  24  can be measured by determining the area of the outer surface  24  when the bone plate  20  does not include any of the fixation holes  32 , apertures  52 , and apertures  60 . Thus, the overall area of the outer surface  24  can be calculated when an entirety of the outer surface is continuous and uninterrupted. The actual area of the outer surface  24  of the bone plate  20  can be determined including all disruptions. The disruptions can be defined by the fixation holes  32 , the apertures  52 , and the apertures  60 . The actual area can be subtracted from the overall area to determine the open area of the outer surface  24 . The open area can be a percentage of the overall area. For instance, the percentage can be in a range from 38% to 60%. In one example, the percentage can range from 40% to 50%. For instance, the percentage can be 43%+/−3%. Thus, as described above, the bone plate  20  can be malleable, and can include visualization windows and herniation windows while, at the same time, being sufficiently rigid. The bone plate  20  can be constructed to define any suitable overall area as desired. In one example, the overall area can be less than 1000 mm 2 . For instance, the overall area can be between 200 mm 2  and 900 mm 2 . In one example, the overall area can be between 300 mm 2  and 900 mm 2 . For instance, the overall area can be between 400 mm 2  and 600 mm 2 . 
     As illustrated in  FIG.  3 F , the inner surface  22  of the bone plate  20  at the first fixation leg  62  can be recessed toward the outer surface  24  with respect to the inner surface  22  at each of the at least one medial eyelet  68 . Thus, as will be described in more detail below, the inner surface  22  at the at least one medial eyelet  68  can be configured to abut the underlying bone  21 , while the inner surface  22  at the first fixation leg  62  remain spaced from the underlying bone  21 . Further, the inner surface  22  of the bone plate  20  at the second fixation leg  64  can be recessed toward the outer surface  24  with respect to the inner surface  22  at each at least one lateral eyelet  70 . Thus, as will be described in more detail below, the inner surface  22  at the at least one lateral eyelet  70  can be configured to abut the underlying bone  21 , while the inner surface  22  at the second fixation leg  64  remains spaced from the underlying bone  21 . Further, the inner surface  22  of the bone plate  20  at the third fixation leg  66  can be recessed toward the outer surface  24  with respect to the inner surface  22  at each at least one inferior eyelet  72 . Thus, as will be described in more detail below, the inner surface  22  at the at least one inferior eyelet  72  can be configured to abut the underlying bone  21 , while the inner surface  22  at the third fixation leg  66  remains spaced from the underlying bone  21 . 
     The fixation legs  29  can extend tangential to the curvature of the dome shape of the fixation body  26  as illustrated in  FIG.  3 E . Further, the first, second, and third fixation legs  62 ,  64 , and  66 , respectively, can be circumferentially spaced from each other, thus, the first, second, and third fixation legs  62 ,  64 , and  66  can all lie on respective different planes. 
     Referring now to  FIGS.  6 A- 6 B , the bone plate  20  can be configured as described above with respect to  FIGS.  3 A- 3 F . However, in  FIGS.  6 A- 6 B , the fixation hub  28  can include first and second arrays  50  and  51  of fixation holes  32 . In this regard, the array  50  of fixation holes  32  described above with respect to the bone plate  20  illustrated in  FIGS.  3 A- 3 F  can be referred to as a first array  50  of fixation holes. As illustrated in  FIGS.  6 A- 6 B , the fixation hub  28  can include the second array  51  of fixation holes  32 . Thus, the fixation hub  28  of the bone plate  20  illustrated in  FIGS.  6 A- 6 B  can be sized larger than the fixation hub  28  of the bone plate  20  illustrated in  FIGS.  3 A- 5 B  so as to include the first and second arrays  50  and  51  of fixation holes  32 . Further, because the bone plate  20  illustrated in  FIGS.  6 A- 6 B  includes the additional second array  51  of fixation holes  32 , the bone plate  20  illustrated in  FIGS.  6 A- 6 B  can allow for fixation to bone fragments at additional locations with respect to the bone plate  20  illustrated in  FIGS.  3 A- 5 B  having only the single array  50  of fixation holes  32 . 
     The second array  51  can be configured as a circumferential array. Thus, the second array can surround the geometric center  48  of the hub  28 . The fixation holes  32  of the second array  51  can be offset radially outward with respect to the fixation holes  32  of the first array  50 . For instance, the respective hole axes of the fixation holes  32  of the first array  50  can be spaced from the central hub axis  35  a first distance, and the respective hole axes of the fixation holes  32  of the second array  51  can be spaced from the central hub axis  35  a second distance that is greater than the first distance. Thus, the first array  50  of fixation holes  32  can be referred to as an inner array, and the second array  51  of fixation holes  32  can be referred to as an outer array. The first array  50  of fixation holes can be constructed as described above with respect to the bone plate illustrated in  FIGS.  3 A- 5 B . 
     The fixation holes  32  of the second array  51  can be arranged along a path that extends about the geometric center  48 . For instance, the path of the second array can be a closed path that surrounds the geometric center  48 . In one example, the path of the second array  51  can define a second circle. The central hub axis  35  can define the center of the second circle. Thus, the second circle can be concentric with the circle defined by the central hole axes  33  of the fixation holes  32  of the first array  50 . The circle defined by the central hole axes  33  of the fixation holes  32  of the first array  50  can be referred to as a first circle. The first circle can be can be disposed between the second circle and the central hub axis  35 . The central hole axes  33  (see  FIG.  2 B ) of the fixation holes  32  of the second array  51  can lie on the second circle. 
     In one example, the fixation holes  32  of the second array  51  can be spaced equidistantly from each other along the second circle. Alternatively, the fixation holes  32  can be spaced at variable distances from each other. Further, while the fixation holes  32  of the second array  51  can be arranged on the circular path, it should be appreciated that the fixation holes  32  of the second array  51  can be alternatively arranged as desired. For instance, the fixation holes  32  of the second array  51  can lie on any curved path. The curved path can define an ellipse in one example. Alternatively, the path can define a polygon. For instance, the central hole axes  33  of the fixation holes of the second array  51  can define the vertices, respectively, of the polygon. In one example, as illustrated in  FIGS.  5 A- 5 B , the polygon can be a regular polygon. Alternatively, the polygon can be an irregular polygon. 
     In one example, the second array  51  can include six fixation holes  32 . Thus, the regular polygon can be configured as a hexagon. It should be appreciated, however, that the second array  51  can include any number of fixation holes  32  as desired. In one example, the fixation hole  32  at the geometric center  48  and the fixation holes  32  of the first and second arrays  50  and  51  can constitute all fixation holes  32  of the fixation hub  28 . Alternatively, the fixation hub  28  can include at least one additional fixation hole  32  in addition to the fixation hole  32  at the geometric center  48  and the fixation holes  32  of the first and second arrays  50  and  51 . The at least one additional fixation hole  32  can be disposed between the geometric center  48  and the array  50 . Alternatively or additionally, the at least one additional fixation hole  32  can be disposed between the first array  50  and the second array  51 . Alternatively or additionally still, the at least one additional fixation hole  32  can be disposed radially outward of the second array  51 . Thus, the second array  51  can be disposed between the at least one additional fixation hole  32  and the geometric center  48 . 
     The radially outer surfaces of the eyelets that define the fixation holes  32  of the first and second arrays  50  and  51  can define the outer perimeter of the fixation body  26 . The radially outer surfaces of the eyelets that define the fixation holes  32  of the second array  51  can be offset radially outward (i.e., away from the central hub axis  35 ) with respect the radially outer surfaces of the eyelets that define the fixation holes  32  of the first array  50 . Further, eyelets that define the fixation holes  32  of the first array  50  can be alternatingly arranged with the eyelets that define the fixation holes  32  of the second array  51 . Thus, each of the eyelets that define the fixation holes  32  of the first array  50  can be interconnected between adjacent ones of the eyelets that define the fixation holes  32  of the second array  51 . Further, each of the eyelets that define the fixation holes  32  of the second array  51  can be interconnected between adjacent ones of the eyelets that define the fixation holes  32  of the first array  50 . 
     The apertures  52  can be positioned circumferentially offset with respect to the fixation holes  32  of the first array  50 . For instance, the straight lines  53  that intersect each of the central hub axis  35  and the central hole axes of respective ones of the fixation holes  32  of the first array  50  do not intersect the apertures  52  with respect to a top or bottom plan view of the bone plate  20 . That is, the straight lines  53  can be circumferentially offset from the apertures  52 . For instance, the straight lines  53  can be circumferentially equidistantly spaced from adjacent ones of the apertures  52 . 
     Further, the apertures  52  can be elongate along the radial direction. Thus, in one example, the central axes  59  of the apertures  52  can intersect the central hub axis  35 . Further, the central axes  59  of the apertures  52  can intersect the central hole axis of a respective aligned one of the fixation holes  32  of the second array  51 . Thus, the apertures  52  can be disposed radially between a respective one of the fixation holes  32  of the second array and the geometric center of the hub  28 . Further, the apertures  52  can be disposed between adjacent ones of the fixation holes  32  of the first array  50  with respect to the circumferential direction. Accordingly, straight lines  76  can pass through the central hub axis  35 , the central hole axis  33  of a respective one of the fixation holes  32  of the second array  51 , and can be coincident with the central axis  59  of a respective one of the apertures  52  with respect to a top or bottom plan view of the bone plate. The apertures  52  can be define any suitable shape as desired. In one example, the apertures  52  can define the shape of an arrow that points toward the geometric center  48 . Further, the apertures  52  can span a majority of the radial distance from a respective aligned one of the fixation holes  32  of the second array  51  and the fixation hole  32  at the geometric center  48 . 
     The geometric centers of the apertures  52  can lie on a respective circle that surrounds the geometric center  48  of the hub  28 . For instance, the geometric center  48  of the hub  28  can define the center of the circle defined by the geometric centers of the apertures  52 . Thus, the circle defined by the geometric centers of the apertures  52  can be concentric with each of the first and second circles. Further, in one example, the first circle can be disposed between the circle defined by the geometric centers of the apertures  52  and the second circle. 
     With continuing reference to  FIGS.  6 A- 6 B , and as described above, the fixation body  26  can include the plurality of fixation nodes  54  that are connected to the hub  28 . In particular, the fixation body  26  includes at least one arm  58 , such as a plurality of arms  58 , that extends radially outward from the fixation hub  28  to a respective at least one of the fixation nodes  54 . Thus, each of the fixation nodes  54  can be attached to the fixation hub  28  by the respective arms  58 . For instance, the at least one arm  58  can extend to the outer surface  61  of the eyelet  56 . In one example, the at least one arm  58  can include at least one pair of arms  58  that includes first and second arms  58   a  and  58   b . Thus, each of the fixation nodes  54  can be secured to the fixation hub  28  by a respective pair of arms  58 . Each pair of arms  58  can be defined by a first arm  58   a  and a second arm  58   b . The arms  58   a  and  58   b  of each pair can converge toward each other as they extend from the fixation hub  28  to the respective one of the fixation nodes  54 . Further, each of the arms  58  can extend from the fixation hub  28  to the respective one of the nodes  54  along a arm axis that intersects the central hole axis  33  of a respective aligned one of the fixation holes  32  of the second array  51 . The respective aligned one of the fixation holes  32  of the first arm  58   a  can be adjacent to the respective aligned one of the fixation holes  32  of the second arm  58   b  along the array  50 . 
     Further, the first and second arms  58   a  and  58   b  of each pair of arms  58  can cooperate with the fixation hub  28  so as to define a respective aperture  60  that extends through the fixation body  26 . Thus, the apertures  60  can extend through the fixation body  26  at a location radially between the fixation nodes  54  and the fixation hub  28 . The apertures  60  can be referred to as outer apertures. The apertures  52  can be referred to as inner apertures. The outer apertures  60  can be defined by a respective one of the nodes  54 , a respective pair of adjacent eyelets that defines respective fixation holes  32  of the second array  51 , and a respective one of the eyelets that defines the fixation hole  32  of the first array  50 . The respective one of the eyelets that defines the fixation hole  32  of the first array  50  is interconnected between the adjacent eyelets of the respective pair of eyelets that defines the respective fixation holes  32  of the second array. 
     Further still, the bone plate illustrated in  FIGS.  6 A- 6 B  can include at least fixation leg  29  in the manner described above with respect to  FIGS.  3 A- 3 F . Thus, the description of the legs  62 - 66  above with respect to  FIGS.  3 A- 3 F  can apply to the fixation legs  62 - 66  illustrated in  FIGS.  6 A- 6 B  unless otherwise indicated. The at least one fixation leg  29  can include the first fixation leg  62  that is configured to be secured to a medial aspect of the patella  23 , the second fixation leg  64  that is configured to be secured to a lateral aspect of the patella  23 , and the third fixation leg  66  that is configured to be secured to the inferior pole of the patella  23 . The fixation legs  29  can extend from any location of the fixation body  26  as desired. In one example, the first fixation leg  62  can extend from a first one of the fixation nodes  54 . The second fixation leg  64  can similarly extend from a second one of the fixation nodes  54 . The third fixation leg  66  can extend from the fixation body  26  at a location between the first and second ones of the fixation nodes  54 . In one example, the third fixation leg  66  can extend from an eyelet that defines one of the fixation holes  32  of the second array  51 . In particular, the third fixation leg  66  can extend from the eyelet that defines the inferior-most one of the fixation holes  32  of the second array  51 , and thus of the fixation hub  28 . Thus, the third fixation leg  66  can be elongate along a respective central axis that intersects the central hole axis of the inferior-most fixation hole  32  of the fixation hub  28 . The inferior-most one of the fixation holes  32  of the second array  51  can be interconnected between the first and second ones of the fixation nodes  54 . 
     Referring now to  FIGS.  6 A- 8 B  generally, the fixation legs  29  can define any number of fixation holes  32  as desired. In one example illustrated in  FIGS.  6 A- 6 B , the first fixation leg  62  can define first and second fixation holes  32  that are spaced from each other radially along the fixation leg  62 . In particular, the first fixation leg  62  can support at least one medial eyelet  68  that defines a respective fixation hole  32 . In one example, the at least one medial eyelet  68  can include first and second medial eyelets  68  that each defines a respective fixation hole  32 . The first medial eyelet  68  can be disposed at a distal terminal end of the first fixation leg  62 . Thus, the first medial eyelet  68  can also be referred to as a terminal medial eyelet  68 . The fixation hole  32  defined by the first medial eyelet  68  can be referred to as a terminal fixation hole  32 . The second medial eyelet  68  can be disposed between the fixation body  26  and the terminal end of the first fixation leg  62 . Thus, the second medial eyelet  68  can be referred to as an intermediate medial eyelet  68 . The fixation hole  32  defined by the second medial eyelet  68  can be referred to as an intermediate medial fixation hole  32 . It should be appreciated that the first fixation leg  62  can include any number of intermediate medial eyelets  68  as desired. The intermediate medial eyelets  68  can be spaced from each other along the respective first fixation leg  62 . Alternatively, as illustrated in  FIGS.  7 A- 7 B , the at least one medial eyelet  68  can include only the first medial eyelet  68  and no other medial eyelets  68 . 
     The second fixation leg  64  can also define first and second fixation holes  32  that are spaced from each other radially along the second fixation leg  64 . In particular, the second fixation leg  64  can support at least one lateral eyelet  70  that defines a respective fixation hole  32 . In one example, the at least one lateral eyelet  70  can include first and second lateral eyelets  70  that each defines a respective fixation hole  32 . The first lateral eyelet  70  can be disposed at a distal terminal end of the second fixation leg  64 . Thus, the first lateral eyelet  70  can also be referred to as a terminal lateral eyelet  70 . The fixation hole  32  defined by the first lateral eyelet  70  can be referred to as a terminal fixation hole  32 . The second lateral eyelet  70  can be disposed between the fixation body  26  and the terminal end of the second fixation leg  64 . Thus, the second lateral eyelet  70  can be referred to as an intermediate lateral eyelet  70 . The fixation hole  32  defined by the second lateral eyelet  70  can be referred to as an intermediate lateral fixation hole  32 . It should be appreciated that the second fixation leg  64  can include any number of intermediate lateral eyelets  70  as desired. The intermediate lateral eyelets can be spaced from each other radially along the respective second fixation leg  64 . Alternatively, as illustrated in  FIGS.  7 A- 7 B , the at least one lateral eyelet  70  can include only the first lateral eyelet  70  and no other lateral eyelets  70 . 
     The third fixation leg  66  can also define first and second fixation holes  32  that are spaced from each other radially along the third fixation leg  66 . In particular, the third fixation leg  66  can support at least one inferior eyelet  72  that defines a respective fixation hole  32 . In one example, the at least one inferior eyelet  72  can include first and second inferior eyelets  72  that each defines a respective fixation hole  32 . The first inferior eyelet  72  can be disposed at a distal terminal end of the third fixation leg  66 . Thus, the first inferior eyelet  72  can also be referred to as a terminal inferior eyelet  72 . The fixation hole  32  defined by the first inferior eyelet  72  can be referred to as a terminal fixation hole  32 . The second inferior eyelet  72  can be disposed between the fixation body  26  and the terminal end of the third fixation leg  66 . Thus, the second inferior eyelet  72  can be referred to as an intermediate inferior eyelet  72 . The fixation hole  32  defined by the second inferior eyelet  72  can be referred to as an intermediate inferior fixation hole  32 . It should be appreciated that the third fixation leg  66  can include any number of intermediate inferior eyelets  72  as desired. The intermediate inferior eyelets  72  can be spaced from each other radially along the respective third fixation leg  66 . Alternatively, as illustrated in  FIGS.  7 A- 7 B , the at least one inferior eyelet  68  can include only the first inferior eyelet  72  and no other inferior eyelets  72 . 
     In this regard, referring to  FIGS.  7 A- 7 B , it should be appreciated the bone plate  20  can be constructed with shorter fixation legs  29  than those illustrated in  FIGS.  6 A- 6 B . Otherwise stated, the at least one of the first, second and third fixation legs  62 - 66  of the bone plate  20  illustrated in  FIGS.  7 A- 7 B  can be shorter than a corresponding at least one of the first, second and third fixation  62 - 66  the bone plate  20  illustrated in  FIGS.  6 A- 6 F . The fixation body  26  of the bone plate  20  illustrated in  FIGS.  7 A- 7 B  can be as described with respect to the bone plate illustrated in  FIGS.  6 A- 6 B . Thus, the description of the fixation body  26  with respect to  FIGS.  6 A- 6 B  can apply equally to the fixation body  26  illustrated in  FIGS.  7 A- 7 B . 
     Alternatively still, referring to  FIGS.  8 A- 8 B , the bone plate  20  can be constructed without one or more of the fixation legs  29  up to all of the fixation legs  29 . Thus, the bone plate  20  can include the fixation body  26  including the fixation hub  28  and the fixation nodes  54 , but no fixation legs  29 . The fixation body  26  of the bone plate  20  illustrated in  FIGS.  8 A- 8 B  is the same as the fixation body  26  illustrated and described above with respect to the bone plate  20  illustrated in  FIGS.  6 A- 6 B . Thus, the description of the fixation body  26  with respect to  FIGS.  6 A- 6 B  can apply equally to the fixation body  26  illustrated in  FIGS.  8 A- 8 B . In one example, the outer surface  24  of the bone plate  20  illustrated in  FIGS.  8 A- 8 B  can define an open area that is a percentage of an overall area of the outer surface  24 . The overall area of the outer surface  24  can be measured by determining the area of the outer surface  24  when the bone plate  20  does not include any of the fixation holes  32 , apertures  52 , and apertures  60 . Thus, the overall area of the outer surface  24  can be calculated when an entirety of the outer surface is continuous and uninterrupted. The actual area of the outer surface  24  of the bone plate  20  can be determined including all disruptions. The disruptions can be defined by the fixation holes  32 , the apertures  52 , and the apertures  60 . The actual area can be subtracted from the overall area to determine the open area of the outer surface  24 . The open area can be a percentage of the overall area. For instance, the percentage greater than 27%. For instance, the percentage can range from 27% to 65%. In one example, the percentage can range from 30% to 60%. For instance, the percentage can range from 40% to 60%. In one example, the percentage can be substantially 55%. Thus, as described above, the bone plate  20  can be malleable, and can include visualization windows and herniation windows while, at the same time, being sufficiently rigid. The bone plate  20  can be constructed to define any suitable overall area as desired. In one example, the overall area can be greater than 900 mm 2 . For instance, the overall area can be greater than 1000 mm 2 . In one example, the overall area can range from 900 mm 2  and 1500 mm 2 . For instance, the overall area can range from 900 mm 2  to 1200 mm 2 . For instance, the overall area can range from 900 mm 2  to 1100 mm 2 . 
     Thus, referring to  FIGS.  3 A- 8 B  in general, it can be said that the fixation body  26 , and thus the bone plate  20 , includes at least one array of fixation holes  32  that extend through the hub  28 . The at least one array can include a single array  50  as illustrated in  FIGS.  3 A- 5 B . Alternatively, the at least one array can include first and second arrays  50  and  51  as illustrated in  FIGS.  6 A- 8 B . It should be appreciated, however, that the fixation body  26  can include any suitable number of arrays of fixation holes  32  that extend through the fixation hub  28  as desired. Further, it can be said that the bone plate  20  can include at least one fixation leg that extends from the fixation body  26 . The at least one fixation leg can have a sufficient length to be bent around a peripheral rim of the patella as described in more detail below. For instance, the at least one fixation leg can include the first fixation leg  62 , the second fixation leg  64 , and the third fixation leg  66 . The fixation legs  62 - 66  can define any number of fixation holes  32  as desired. For instance, in one example, the fixation legs  62 - 66  can define first and second fixation hole  32 . In another example, the fixation legs  62 - 66  can define a single fixation hole  32 . 
     In this regard, it should be appreciated that a kit of bone plates  20  can be provided. The kit can include at least one first bone plate  20  having a fixation body  26  with the single array  50  of fixation holes  32 . The kit can include at least one second bone plate  20  having a fixation body with the first and second arrays  50  and  51  of fixation holes  32 . The second bone plate can be sized larger than the first bone plate. The at least one first bone plate  20  can include bone plates  20  having the at least one fixation leg  29 . Ones of the first bone plates  20  having the at least one fixation leg  29  can include different numbers of fixation holes  32  that extends through the at least one fixation leg. Alternatively or additionally, the at least one first bone plate  20  can include at least one bone plate  20  having no fixation legs  29 . Similarly, the at least one second bone plate  20  can include bone plates  20  having the at least one fixation leg  29 . Ones of the second bone plates  20  having the at least one fixation leg  29  can include different numbers of fixation holes  32  that extends through the at least one fixation leg. Alternatively or additionally, the at least one second bone plate  20  can include at least one bone plate  20  having no fixation legs  29 . 
     A method of securing the fixation plate  20  to the underlying bone  21  will now be described with reference to  FIGS.  9 A- 9 D . In particular, the method can begin by creating an incision that exposes the anterior aspect of the patella  23 . Thus, the bone plate  23  can be placed against the patella  23  along an anterior approach. As illustrated, the patella  23  is fractured and defines a plurality of patellar bone fragments  74 . In instances where the patella  23  is severely comminuted, the bone fragments  74  can be compressed against each other thereby reducing the fracture using any suitable clamp or forceps. The bone plate  20  can then be placed against the underlying patella  23 . The bone plate  20  can further be contoured so as to conform to the underlying patella  23 . For instance, the bone plate body  26  can be contoured by bending one or more of the arms  58 . One or more up to all of the legs  62 - 66  can also be bent so as to conform to the underlying patella  23 . As described above, the inner surface  22  at the arms  58  can be recessed toward the outer surface  24  with respect to the inner surface  22  at each of the fixation nodes  54  and the fixation hub  28 . Further, the inner surface at the legs  29  can be recessed toward the outer surface  24  with respect to the inner surface  22  at the eyelets that define the fixation holes  32  of the legs  29 . Thus, the inner surface  22  at the arms  58  and the legs  29  can be spaced from the patella  23 . The fixation hub  28 , the fixation nodes  54 , and the eyelets of the legs  29  (if present) can abut the patella  23 . 
     In this regard, it should be appreciated that the apertures  52  of the bone plate  20  can assist in the malleability of the bone plate  20 . Thus, the bone plate  20  can be bent as desired so as to conform to the underlying patella  23 . The apertures  60  of the bone plate  20  of  FIGS.  6 A- 8 B  can further assist in the malleability of the bone plate  20 . Thus, the bone plate  20  can be bent in situ to conform to the outer surface of the patella  23 . In particular, the fixation hub  28  can be bent as desired to better conform to the outer surface of the patella  23  than the preformed dome shape of the fixation hub  28 . Further, the arms  58  can be bent out of plane. Out of plane bending can include a first inward direction toward the underlying bone. The inward direction can be generally defined as from the outer surface  24  to the inner surface  22 . Out of plane bending can include a second outward direction away from the underlying bone. The outward direction can be generally defined as from the inner surface  22  to the inner outer surface  24 . Alternatively or additionally, the arms  58  can be bent in-plane. That is, the arms  58  can be bent so as to not move further from or closer to the underlying patella while, at the same time, maintaining their respective angular orientations. Alternatively or additionally still, the arms  58  can further be twisted so as to adjust the angular orientation of the inner surface  22  at the eyelets that define the fixation holes  32  of the nodes  54 . Thus, one or more of the arms  58  can be deformed so as to cause the inner surface  22  at the nodes  54  to better conform to the surface of the patella  23 . 
     In one example, the arms  58  can be bent such that the fixation holes  32  of at least one of the nodes  54  can be aligned with the patellar rim. For instance, depending on the size of the bone plate  20  and the size of the patella  23 , all of the nodes can extend at least to the patellar rim. Thus, the respective bone anchors  34  can be driven through the fixation holes  32  of at least one or more of the nodes  54  and into the patellar rim in a substantially posterior direction. In another example, at least one or more of the arms  58  can be bent such that the node  54  extends about the patellar rim. Thus, the respective bone anchor  34  can be driven through the fixation hole  32  of the node  54  substantially in a plane that is oriented substantially perpendicular to the posterior direction. 
     Further, one or more up to all of the legs  62 - 66  can be bent as desired to better conform to the outer surface of the patella  23 . For instance, one or more up to all of the legs  62 - 66  can be bent out of plane. Alternatively or additionally, one or more up to all of the legs  62 - 66  can be bent out in plane. Alternatively or additionally still, one or more up to all of the legs  62 - 66  can be twisted so as to adjust the angular orientation of the inner surface  22  at the eyelets that define the fixation holes  32  of the nodes  54 . Thus, one or more of the legs  62 - 66  can be deformed so as to cause the inner surface  22  at the one or more of the legs  62 - 66  to better conform to the surface of the patella  23 . 
     Once the bone plate  20  has been placed against the patella  23  and bent as desired, the method can including the steps of driving bone anchors  34  into respective ones of the fixation holes  32  of the bone plate  20 . For instance, the method can include the step of identifying fixation holes  32  of the bone plate  20  that are aligned with one or more bone fragments  74 , such that driving a bone anchor  34  through the aligned fixation holes  32  will gain reliable purchase with the bone fragment  74 . Next, the bone anchors  34  can be driven into the identified fixation holes  32 . In this regard, it is appreciated that the fixation hub  28  can include one or more of the identified fixation holes  32 . Alternatively or additionally, the fixation nodes  54  can include one or more of the identified fixation holes  32 . 
     As illustrated in  FIGS.  9 A- 9 B , one of the bone anchors  34  can extend through the third fixation leg  66 , through a near cortex to a far cortex opposite the near cortex. Thus, the bone anchor  34  can threadedly purchase with both the near cortex and the far cortex. In one example, the near cortex can be defined by the inferior pole of the patella  23 , and the far cortex can be defined by the superior pole of the patella  23 . As will be appreciated from the description below, it will be appreciated that the near cortex can alternatively be defined by the superior pole of the patella  23  and the far cortex can be defined by the inferior pole of the patella. Alternatively, the near cortex can be defined by the medial cortex of the patella  23  and the far cortex can be defined by the lateral cortex of the patella. Alternatively still, the near cortex can be defined by the lateral cortex of the patella  23  and the far cortex can be defined by the medial cortex of the patella. 
     It is further recognized that the inferior pole  80  of the patella  23  can often be comminuted, and can contain osteoporotic bone. In fact, inferior pole comminution has been observed in 88% of fractures of the patella  23 . Accordingly, fixation of the bone plate  20  to the patella  23  can be augmented by suture fixation if desired. The method of fixation can further include the step of augmenting fixation of the bone plate  20  to the patella  23  by fixing at least one suture to the patellar tendon  82  and to the plate  20 . In one example, the sutures can be configured as FiberWire® sutures commercially available from Arthrex, having a place of business in Naples, Fla., though it should be appreciated that any suitable suture is envisioned. Thus, the method can include the step of attaching one or more sutures to the patellar tendon  82 . The sutures can thus be included in the fixation system. In one example, the sutures can be stitched through the patellar tendon  82  in a Krackow configuration. The free end of the suture can then be passed over the plate in the inferior direction, and tied to the plate  20 . For instance, the sutures can be inserted through respective ones of the apertures  52  and the apertures  60  (if present) so as to tie the bone plate  20  to the patellar tendon  82 . 
     In some examples, as illustrated in  FIGS.  9 A- 9 C , the bone plate  20  can include at least one leg  29  that extends from the fixation body  26 . The at least one leg  29  (if present) can be deformed so as to cause the inner surface  22  at the at least one eyelet supported by the leg to better conform to the surface of the patella  23 . For instance, the at least one leg  29  can be bent in plane, bent out of plane, and twisted as desired. Thus, the first or inferior medial leg  62  (if present) can be deformed so as to cause the inner surface  22  at the at least one medial eyelet  68  to abut the patella  23 . In one example, the first leg  62  can have a length sufficient so as to extend around the medial inferior rim  78  of the patella  23 . Thus, the first leg  62  can be deformed so as to cause the inner surface  22  at the at least one medial eyelet  68  to abut the patella  23 . In one example, the first leg  62  can have a length sufficient so as to extend around the medial inferior rim  78  of the patella  23 . The first leg  62  can be deformed such that the respective at least one fixation hole  32  can receive a bone anchor  34  that reliably secures the medial leg  62  to a bone fragment  74 . 
     Further, the second or lateral leg  64  (if present) can be deformed so as to cause the inner surface  22  at the at least one lateral eyelet  70  to abut the patella  23 . In one example, the second leg  64  can have a length sufficient so as to extend around the lateral inferior rim  84  of the patella  23 . Thus, the second leg  64  can be deformed so as to cause the inner surface  22  at the at least one lateral eyelet  70  to abut the patella  23 . In one example, the second leg  64  can have a length sufficient so as to extend around the lateral inferior rim  84  of the patella  23 . The second leg  64  can be deformed such that the respective at least one fixation hole  32  can receive a bone anchor  34  that reliably secures the second leg  64  to a bone fragment  74 . 
     Further, still, the third or inferior leg  66  (if present) can be deformed so as to cause the inner surface  22  at the at least one inferior eyelet  70  to abut the patella  23 . In one example, the third leg  66  can have a length sufficient so as to extend around the inferior pole  80  of the patella  23 . Thus, the third leg  66  can be deformed so as to cause the inner surface  22  at the at least one inferior eyelet  72  to abut the patella inferior pole  80 . In one example, the third leg  66  can have a length sufficient so as to extend around the inferior pole  80 . Further, an incision  86  can be made through the patellar tendon  82 , and the third leg  66  can be inserted through the incision  86  so as to rest against the patella  23  at a position posterior of the patellar tendon  82 . The third leg  66  can be deformed such that the respective at least one fixation hole  32  can receive a bone anchor  34  that reliably secures the third leg  66  to a bone fragment  74 . It is further recognized that the first leg  62 , the second leg  64 , and the third leg  66  can all abut the inferior aspect of the patella  23  in different planes, thereby forming a cradle that maintains comminuted bone fragments compressed against adjacent bone fragments. Thus, the first leg  62 , the second leg  64 , and the third leg  66  can apply a compression force to the inferior aspect of the patella  23  that causes the bone fragments  74  to compress against each other, thereby facilitating healing. 
     Referring now to  FIG.  9 E , it is recognized that some patella fractures do not involve comminutions at the inferior pole  80 . Accordingly, in order to avoid creating unnecessary incisions in the patellar tendon  82 , the bone plate  20  described above can include the first leg  62  and the second leg  64 , but can lack the third leg  66 . Alternatively, the third leg  66  can be removable from the fixation body  26 . For instance, a cutting implement can sever the third leg  66  from the fixation body  26 . Alternatively or additionally, the third leg  66  can define a weakened break-away region. The weakened break-away region can define a material thickness less than the material thickness at a remainder of the inferior leg. The break-away region can be immediately adjacent the fixation body  26  so as to eliminate potential irritating projections and sharp edges when the third leg  66  is removed. In this regard, any one or more up to all of the first, second, and third legs  62 - 66  can be removed from the bone plate  20  as desired. 
     As described above, the bone plate  20  can be oriented such that the at least one fixation leg  29  extend inferiorly from the fixation body  26 . It should be appreciated, of course, that the bone plate  20  can be fixed to the patella  23  in any orientation as desired. For instance, referring to  FIG.  10 A , the bone plate  20  can be fixed to the patella  23  such that the at least one fixation leg  29  extends superiorly from the fixation body  26 . Thus, the first fixation leg  62  can extend to a superior medial aspect of the patella  23 . The second fixation leg  64  can extend to a superior inferior lateral aspect of the patella  23 . The third fixation leg  66  can extend to the superior pole of the patella  23 . Alternatively, referring to  FIG.  10 B , the bone plate  20  can be fixed to the patella  23  such that the at least one fixation leg  29  extends medially from the fixation body  26 . Accordingly, the at least one fixation leg  29  can extend to the medial rim of the patella  23 . For instance, the first fixation leg  62  can extend to an inferior aspect of the medial rim. The second fixation leg  64  can extend to a superior aspect of the medial rim. The third fixation leg  66  can extend to a central region of the medial rim. Alternatively still, referring to  FIG.  10 C , the bone plate  20  can be fixed to the patella  23  such that the at least one fixation leg  29  extends laterally from the fixation body  26 . Accordingly, the at least one fixation leg  29  can extend to the lateral rim of the patella  23 . For instance, the first fixation leg  62  can extend to a superior aspect of the lateral rim. The second fixation leg  64  can extend to an inferior aspect of the lateral rim. The third fixation leg  66  can extend to a central region of the lateral rim. 
     As described above, the bone plate  20  can include a group of at least one fixation leg  29 . However, as illustrated in  FIG.  11   , the bone plate  20  can include first and second groups  88   a  and  88   b  of at least one fixation leg. The first and second groups  88   a  and  88   b  can be positioned substantially opposite each other. Thus, the at least one leg  29  of one of the first and second groups  88   a  and  88   b  can extend inferiorly from the fixation body  26  in the manner described above, and the at least one leg  29  of one of the other of the first and second groups  88   a  and  88   b  can extend superiorly from the fixation body  26  in the manner described above. Alternatively, the at least one leg  29  of one of the first and second groups  88   a  and  88   b  can extend medially from the fixation body  26  in the manner described above, and the at least one leg  29  of the other of the first and second groups  88   a  and  88   b  can extend laterally from the fixation body  26  in the manner described above. 
     As illustrated in  FIG.  11   , the first and second groups  88   a  and  88   b  can be spaced at substantially 180 degrees from each other, such that the first and second groups  88   a  and  88   b  are opposite each other. It should be appreciated, of course, that the first and second groups  88   a  and  88   b  can be spaced from each other at any angle as desired. For instance, the first and second groups  88   a  and  88   b  can be spaced at substantially 90 degrees circumferentially from each other. Thus, the at least one leg  29  of one of the first and second groups  88   a  and  88   b  can extend inferiorly from the fixation body  26  in the manner described above, and the at least one leg  29  of the other of the first and second groups  88   a  and  88   b  can extend medially or laterally from the fixation body  26  in the manner described above. Alternatively, the at least one leg  29  of one of the first and second groups  88   a  and  88   b  can extend superiorly from the fixation body  26  in the manner described above, and the at least one leg  29  of the other of the first and second groups  88   a  and  88   b  can extend medially or laterally from the fixation body  26  in the manner described above. Alternatively still, the bone plate  20  can include three or more groups of at least one fixation leg  29 . For instance, the bone plate  20  can include three groups of at least one fixation leg equidistantly spaced about the fixation body  26 . Alternatively, the three groups can be spaced at different distances from each other. For instance, adjacent pars of the three groups can be spaced at substantially 90 degrees from each other, and one adjacent pair of the three groups can be spaced at substantially 180 degrees from each other. In another example, the bone plate can include four groups of at least one fixation leg  29  that are spaced equidistantly from each other. Thus, the at least one fixation leg  29  of a first group of the four groups can extend inferiorly from the fixation body  26  in the manner descried above, the at least one fixation leg of a second group of the four groups can extend superiorly from the fixation body  26  in the manner descried above, the at least one fixation leg of a third group of the four groups can extend medially from the fixation body  26  in the manner descried above, and the at least one fixation leg of a fourth group of the four groups can extend laterally from the fixation body  26  in the manner descried above. 
     It should be noted that the illustrations and discussions of the embodiments shown in the figures are for exemplary purposes only, and should not be construed limiting the disclosure. One skilled in the art will appreciate that the present disclosure contemplates various embodiments. Additionally, it should be understood that the concepts described above with the above-described embodiments may be employed alone or in combination with any of the other embodiments described above. It should further be appreciated that the various alternative embodiments described above with respect to one illustrated embodiment can apply to all embodiments as described herein, unless otherwise indicated.