Source: https://patents.google.com/patent/JP2007510475A/en
Timestamp: 2019-12-16 12:34:10
Document Index: 137612762

Matched Legal Cases: ['art 312', 'art 311', 'art 312', 'art 311', 'art 312', 'art 311', 'art 312', 'art 312', 'art 311', 'art 312', 'art 323', 'art 323', 'art 328', 'art 323', 'art 328', 'art 328', 'art 323', 'art 328', 'art 328']

JP2007510475A - Surgical gauge - Google Patents
Surgical gauge Download PDF
JP2007510475A
JP2007510475A JP2006538604A JP2006538604A JP2007510475A JP 2007510475 A JP2007510475 A JP 2007510475A JP 2006538604 A JP2006538604 A JP 2006538604A JP 2006538604 A JP2006538604 A JP 2006538604A JP 2007510475 A JP2007510475 A JP 2007510475A
JP2006538604A
イーガン、マイケル
シェリー、ユージン
ライ、ボブ
インターナショナル パテント オーナーズ （ケイマン） リミテッド
2003-11-12 Priority to AU2003906238A priority Critical patent/AU2003906238A0/en
2004-11-12 Application filed by インターナショナル パテント オーナーズ （ケイマン） リミテッド filed Critical インターナショナル パテント オーナーズ （ケイマン） リミテッド
2004-11-12 Priority to PCT/AU2004/001568 priority patent/WO2005046475A1/en
2007-04-26 Publication of JP2007510475A publication Critical patent/JP2007510475A/en
As shown in Figure (23), for example, a preferred embodiment of the gauge (301) includes a body (302), and a weight (303) is attached to the body (302). The weight (303) is suspended from the main body (302) under the influence of a local gravity field. More specifically, the weight (303) is rotatable with respect to the main body (302) in both the first surface and the second surface, and these surfaces are orthogonal to each other. In use, the gauge (301) can be connected to various surgical instruments by a connector (322). The position of the pointer (315) of the weight (303) is represented with reference to two sets of markings (316 and 317) provided on the body (302), which allows the surgeon to An angle of 1 and a second angle at the second surface can be determined. In one exemplary application of the present invention, the first angle and the second angle are anatomical angles associated with surgical insertion of the prosthesis.
The present invention relates to surgical instruments and surgical methods, and more particularly to gauges used in surgical procedures such as surgery associated with prosthetic components.
The present invention was developed primarily for use in implanting prosthetic parts in osteotomy operations performed on humans or animals in connection with hip replacement and the like. However, it will be understood that the invention is not limited to this particular field of use.
Conventional prosthetic implant techniques generally require the surgeon to adjust the position of the prosthetic component visually. When this conventional technique is used for hip replacement, a prosthetic component such as a femoral stem or an acetabular cup may be displaced. This misalignment may result in post-operative complications such as leg misalignment, inadequate leg length, and inadequate soft tissue tension. In addition, if the displacement of the artificial part lasts for a long time, there may be an effect that the wear of the part is accelerated, the preservative of the part is loosened, and the timing of re-operation can be accelerated.
Some of these issues are addressed at least in part by the arrangement disclosed in copending patent application number PCT / AU02 / 01482 (WO 03/037192), the disclosure of which is fully incorporated herein by reference. . This patent specification discloses the use of an alignment handle as shown in FIGS.
The alignment handle includes a gauge configured to indicate whether the prosthesis is in a predetermined orientation. Although this alignment handle is a significant improvement over the prior art, it presents certain limitations.
All discussions of the prior art throughout the specification should not be construed as an admission that such prior art is well known or forms part of the common general knowledge in the art.
International Publication No. 03/037192 Pamphlet
According to a first aspect of the present invention, a surgical gauge is provided for determining a first angle in a first surface and a second angle in a second surface. The gauge is attached to the main body and to be drooped under the influence of a local gravitational field, and the first surface and the second surface are determined to determine the first angle and the second angle. A weight that is rotatable relative to the body on both sides.
It is preferable that a universal joint rotatably attaches the weight to the main body. In a preferred embodiment, the universal joint is a ball joint, but other types such as, for example, an eye end joint, a single rotational axis joint, a tie rod end joint or a rose joint. It will be appreciated that other universal joints may be used in other preferred embodiments.
The first surface is preferably orthogonal to the second surface.
The weight of the preferred embodiment preferably includes a pointer and the body includes a marking disposed adjacent to the pointer. More preferably, the first subset of markings corresponds to a first angular angular increment and the second subset of markings corresponds to a second angular angular increment.
The preferred embodiment of the present invention includes a connector disposed on the body for connecting the gauge to the prosthesis. Another preferred embodiment includes a connector disposed on the body for connecting the gauge to a predetermined site on the patient.
The preferred embodiment is particularly suitable for surgical applications such as inserting an acetabular cup into a reamed acetabulum during hip replacement. In this application, the first angle preferably corresponds to the aversion of the acetabular cup and the second angle preferably corresponds to the abduction of the acetabular cup.
According to a second aspect of the present invention, a surgical gauge is provided for determining a first angle on a first surface and a second angle on a second surface. The gauge is attached to the body so as to sag under the influence of the local gravitational field and is rotatable relative to the body in a first plane to determine a first angle. And a second weight attached to the body to hang under the influence of a local gravitational field and rotatable relative to the body in a second plane to determine a second angle. A weight.
The first weight is attached to the main body to rotate about the first axis, the second weight is attached to the main body to rotate about the second axis, and the first axis is the first axis It is preferable to be orthogonal to the two axes.
A preferred embodiment will now be described by way of example only with reference to the accompanying drawings.
Referring to the drawings, a first preferred embodiment of the gauge 1 includes a body 2, and a weight 3 is attached to the body 2. The weight 3 is suspended from the main body 2 under the influence of a local gravity field. More specifically, the weight 3 can rotate with respect to the main body 2 on both the first surface indicated by the dotted line 4 in FIG. 2 and the second surface indicated by the dotted line 5 in FIG. The first surface is orthogonal to the second surface.
A universal joint in the form of a ball joint 6 rotatably attaches the weight 3 to the main body 2. The universal joint 6 has a ball 7 housed in the center within the weight 3. The inner surface 8 of the weight 3 has a convex shape that follows the concave surface of the ball 7. A drive shaft 9 extends through the center of the ball 7 and defines first and second cylindrical ends 10 and 11. The radius of the drive shaft 9 extends along the conical sections 12 and 13 from the radius of the narrow central part embedded in the ball 7 to the radius of the thicker first and second cylindrical ends 10 and 11. To increase. The drive shaft 9 extends through openings 14 and 15 provided in the weight. Openings 14 and 15 define annular stops 16 and 17, respectively. The ball 7 is free to move in any direction relative to the weight 3 at least until the point where the conical section 12 or 13 hits the adjacent annular stop 16 or 17. The range of movement of the weight 3 relative to the drive shaft 9 is expanded by the arch shape of the side wall of the weight 3 in the regions of the openings 14 and 15 as best shown in FIG.
In order to assemble the weight and the drive shaft, first, components such as the ball 7, the weight 3 and the drive shaft are separately manufactured. The region immediately below the housing for the ball 7 of the weight 3 is hollow from the beginning. Thereby, the ball 7 can be inserted from the opening 20 of the base 21 of the weight 3. Next, the ball 7 is sealed in the weight 3 by the core 19 that is inserted from the opening 20 and fills the hollow portion directly below the ball 7. Next, the narrow portion of the drive shaft to which the first cylindrical end portion 10 is attached is passed through the opening 15 and the opening provided in the ball 7. Finally, the second cylindrical end portion 11 is fixed to the other side of the thin portion of the drive shaft 9 by the fastener 22.
Next, as best shown in FIG. 2, the weight 3 is attached to the main body 2 by fixing and connecting the cylindrical end portions 10 and 11 to the main body 2.
The main body 2 includes a semicircular opening 28, so that the base 21 of the weight 3 takes a different position under the influence of gravity when the orientation of the gauge 1 changes with respect to the local gravity field. To provide a gap. In order to help reduce the weight, for example, a large number of openings 39 as shown in FIGS. 3 and 7 can be provided in the main body 2.
In use, the body 2 is oriented relative to the weight 3 such that the conical sections 12 and 13 do not contact the annular fasteners 16 and 17. This and the fact that the weight 3 has a lower center of gravity than the axis of rotation defined by the ball 7 ensures that the weight 3 hangs freely in the vertical direction due to its weight.
In other embodiments (not shown), the universal joint 6 takes other forms such as an eye end joint, a tie rod end joint or a rose joint.
The weight 3 has a pointer 23 that extends above the universal joint 6. When the weight 3 is freely suspended from the ball joint 7 due to the influence of gravity, the end of the pointer 23 is located directly above the center of the ball joint 6, and the center of gravity of the weight 3 is directly below the center of the ball joint 6. Located in. The body 2 defines a chamber 29 that provides a gap for the pointer 23 to move.
The upper surface of the body 2 includes markings 24, 25, 26 and 27 disposed adjacent to the pointer 23. The first subsets of markings 24 and 26 correspond to first angular angle increments, and the second subsets of markings 25 and 27 correspond to second angular angle increments. Thus, the first angle on the first surface 4 and the second angle on the second surface 5 can be determined using the gauge 1. For example, in one preferred embodiment, the markings 24 and 26 correspond to increments of the first angle every 5 °, from −25 ° at one end of the marking to 0 ° in the middle of the marking. Spans + 25 ° of the opposite end of the marking. Similarly, markings 25 and 27 correspond to increments of the second angle every 5 °, from −10 ° at one end of the marking to 0 ° at the opposite end of the marking through 0 ° in the center of the marking. Over + 10 °. In use, a surgeon or other person using the preferred embodiment can determine the position of the tip of the pointer 23 relative to the marking 24 or 26 and determine the first angle. The user can also determine the position of the tip of the pointer 23 relative to the marking 25 or 27 and determine the second angle. Thus, advantageously, a single surgical instrument allows a user to quickly and easily determine two separate angles related to the orientation of the gauge 1 relative to the local gravitational field.
The gauge 1 of the present invention is preferably replaced with an alignment handle 158 shown in FIG. 36 of co-pending PCT application number PCT / AU02 / 01482 (WO03 / 037192).
A connector 30 is disposed on the body 2 for connecting the gauge 1 to a prosthetic part, another surgical instrument or a predetermined part of a patient. For example, the gauge 1 can form part of a surgical instrument and includes, for example, the gauge 1, a left cup holder or a right cup holder shown in FIGS. 13 and 14, respectively, and a handle 213 shown in FIG. One part of the cup alignment device can be formed.
The body 2 of the gauge 1 defines a distal end 31, a proximal end 32, and a handle 34 intermediate these ends. The weight 3 is disposed adjacent to the proximal end 32. A connector that includes an internally threaded collar 30 is disposed at the distal end. To assemble the cup alignment device, it is necessary to couple the collar 30 to one of the cup holders 158 shown in FIGS. A suitable cup holder is attached to the gauge 1 via attachment means 160 located at the proximal end 164 of the cup holder. More specifically, the attachment means 160 includes a protrusion 169 that is inserted into the connector at the distal end 31 of the gauge 1 to ensure accurate relative positioning between the two parts. When plugged together, the internally threaded collar 30 engages with the male thread 224 of the cup holder, and these two parts are secured together.
The handle 213 shown in FIG. 15 provides additional force to the surgeon when manipulating the cup alignment instrument 167. In order to connect the handle 213 to the cup holder 158, the male screw 163 of the handle 213 is screwed with the female screw 162 arranged in the cup holder. The resulting cup alignment device 167 is similar to that shown in FIG. 69 of co-pending PCT application number PCT / AU02 / 01482 (WO 03/037192), with the alignment handle 159 replaced by gauge 1.
The next step is to attach an appropriately sized artificial acetabular cup (with one or more spacers as needed to fit the size of the artificial acetabular cup) to the cup alignment device. The surgeon then manipulates the cup alignment instrument so that the cup is adjacent to the dilated acetabulum and places it in the wound.
Here, it is necessary to orient the cup alignment device to ensure that the artificial acetabular cup is in the correct anatomical orientation upon insertion into the dilated acetabulum. This is accomplished by using the alignment frame 176 shown in FIGS. 16 and 17 and referring to the two angles indicated by the indicator 23 of the gauge 1. That is, the surgeon can use a cup alignment device similar to that described in co-pending PCT application number PCT / AU02 / 01482 (WO 03/037192), but the co-pending PCT application number PCT / AU02 / 01482 (WO 03/482). Monitoring two angles in two different planes using the gauge 1 of the present invention rather than a single angle in a single plane as shown by the weight 173 of the alignment handle 159 disclosed in US Pat. The added benefit is that additional information is provided to the surgeon. The shape of the connector 158 relative to the gauge 1 and the patient's orientation (which is kept stable using the pelvic holder 230 shown in FIG. 20) is the first in the first plane read with reference to the markings 24 or 26. The angle corresponds to the version of the acetabular cup relative to the dilated acetabulum. Similarly, the second angle in the second surface read with reference to the marking 25 or 27 corresponds to the abduction of the acetabular cup relative to the dilated acetabulum.
The alignment frame 176 shown in FIGS. 16 and 17 can be used to accurately adjust the position of the acetabular cup in a plane other than the plane indicated by the weight 3. The alignment frame 176 includes a frame member 177 that defines a first end 178 and a second end 179. The frame member 177 is substantially L-shaped in a side view and A-shaped in a plan view. A contact pad 180 is disposed on the first end 178 and is configured to contact the plane of the operating table, particularly the vertical side. For example, the surgeon can use the knee to press the abutment pad 180 against the side of the operating table. The second end 179 of the alignment frame 176 is positioned adjacent to the patient's hip joint.
An engagement means in the form of a slotted member 181 is located at the second end 179 and is aligned to project toward the patient's hip joint. The slot 225 with one end of the slotted member 181 open defines a semi-circular surface 226 having an inner radius of curvature that matches the outer radius of curvature of the handle 1 of the gauge 1. That is, the slot 225 is sized to receive and direct the handle 34. The shape of the slot is such that the alignment handle 159 is oriented in a predetermined orientation relative to a third surface different from the two surfaces associated with the weight 3 by engaging the handle 34 with the engagement means. Yes. This is because the slotted member has a width 227 sufficient to ensure that the longitudinal axis of the handle 34 coincides with the axis of the slotted member 181 when the handle 34 is engaged with the slotted member 181. is there. More specifically, when the handle 34 is disposed within the slotted member 181, the handle 34, and thus the gauge 1, is substantially perpendicular to the side of the operating table. While in this position, the surgeon can tilt gauge 1 to adjust aversion and rotate gauge 1 to adjust abduction.
Thus, if each of the following conditions is met, the surgeon can be confident that the artificial acetabular cup is correctly positioned for insertion into the patient's hip.
The patient's hip joint is in a predetermined position on the operating table shown in FIG.
The first end 178 of the alignment frame 176 contacts the side of the operating table adjacent to the patient's hip so that the slotted member faces the patient's hip.
The handle 34 of the gauge 1 is engaged with the slotted member 181.
Gauge pointer 23 indicates the desired angle for aversion and abduction.
At this point, the surgeon uses the punch assembly to securely secure the acetabular cup within the dilated acetabulum.
Another step in a typical hip replacement is the insertion of a stem into the femoral canal. After insertion, the end 34 of the stem 33 protrudes from the end of the femur. Here, it is necessary to determine the length of the artificial femoral neck necessary for correct postoperative leg length, tissue tension and muscle tension. A short trial head with a short length is placed on the stem and the hip joint is returned to its original position. As best shown in FIG. 21, the spacer alignment device 189 is adapted to attach the left or right spacer member 190 to the gauge 1 as needed in the same manner that the cup holder was attached to the gauge 1 as described above. Assembled by connecting. That is, the protrusion 191 is inserted into the opening disposed in the connector 30 at the distal end 31 of the gauge 1. The collar 30 is threaded with the proximal end 192 of the spacer member 190. Also, similar to the previous assembly of the cup alignment device, the handle 213 is screwed into the spacer member 190 with an internal thread 193 provided adjacent to the proximal end 192 of the spacer member 190. That is, to assemble the spacer alignment device 189, the cup holder 158 may be replaced with the spacer member 190 starting from the cup alignment device.
The spacer member 190 includes a spacer 194 having a slot 195 configured to engage the end 34 of the prosthetic stem inserted into the femoral canal. As a result, the spacer 194 is disposed between the trial head and the end 34 of the femur as shown in FIG. 21 (although the trial head is hidden in the dilatation acetabulum). The trial head is positioned within the hemispherical surface 203 when properly positioned. Again, the surgeon utilizes the gauge 1 weight 3 along with the alignment frame 176 to ensure that the spacer 194 and trial head are oriented in an anatomically correct manner during the test. The appropriate femoral neck length can be determined.
Another exemplary application of the gauge 1 is the measurement of the natural shape of the patient before the artificial part is inserted. For example, when the hip joint is removed, the surgeon may wish to measure the naturally occurring aversion angle (avoidance angle) and abduction angle of the patient's acetabulum. In such an application, the gauge 1 is connected to a connector that is in contact with the patient's acetabulum, and the gauge (for example, the pelvis holder 230 shown in FIG. 20 or the alignment frame shown in FIGS. (As with the method) it is kept in a predetermined relationship with the patient. This allows the surgeon to determine the natural aversion angle from the marking 24 or 26 and the natural abduction angle from the marking 25 or 27. These numbers are then noted for later use, for example, the surgeon chooses to insert the artificial acetabulum with the same aversion angle and abduction angle as the previously determined natural angle be able to.
Other preferred embodiments of the gauge 37 shown in FIGS. 5-8 are substantially similar to the preferred embodiment of the gauge shown in FIGS. 1-4 except that a different connector 30 in the form of a clamp is provided. The same. The clamp includes a protrusion 35 that is fixedly disposed on the opposite side of the end 36 of the bolt 37. Therefore, a part of the object to which the gauge 37 is connected can be arranged between the projection 35 and the bolt end portion 36. Next, the bolt head 38 is rotated to tighten the bolt end 36 toward the protrusion 35, whereby the gauge 37 is clamped to the object.
Another embodiment of the gauge 40 includes a reading surface as shown in FIG. This embodiment differs from the previous embodiment in that it uses two separate weights 41 and 42 as opposed to a single weight 3. In such an embodiment, the first weight 41 and the second weight 42 are separately attached to the gauge body 43 so as to hang down under the influence of gravity. The first weight 41 is attached to the main body 43 so as to rotate on the first surface about the first shaft 44, and the second weight 42 is the second weight about the second shaft 45. It is attached to the main body 43 so as to rotate on the surface. The first axis 44 is orthogonal to the second axis 45. In use, the surgeon compares the position of the first weight 41 with the marking 46 or 47 to determine the first angle. Similarly, the position of the second weight 42 is compared with the marking 48 or 49 to determine the second angle. Since this embodiment does not require the universal joint 30, there is an advantage that it is mechanically simpler than the gauges 1 and 37 shown in FIGS.
A fourth embodiment of the present invention is shown in FIGS. This preferred embodiment of gauge 301 includes a body 302 with a weight 303 attached to body 302. The weight 303 is suspended from the main body 302 under the influence of a local gravity field. More specifically, the weight 303 is rotatable with respect to the main body 302 in both the first surface and the second surface, and these surfaces are orthogonal to each other.
A universal joint 304 rotatably attaches the weight 303 to the main body 302. The universal joint 304 comprises an elongated pivot member 305, as best shown in FIGS. The pivot member 305 is fixedly disposed on a pin 306 extending through an opening 336 provided in the pivot member 305. The pin 306 is fixedly disposed in openings 337 and 338 provided in the main body 307. The pivot member 305 defines a hemispherical head 308 and a hemispherical base 309. The upper hemispherical head 308 is configured to couple with a corresponding hemispherical cavity provided in the upper part of the weight 303.
The diameter of the hemispherical head is equal to the diameter of the corresponding hemispherical cavity 310. If the diameter is too small, it will vibrate for an unacceptably long time before the pointer 315 settles down and enables stable reading, which may make the gauge output too sensitive. On the other hand, if the diameter is too large, the damping applied to the weight will be too great and the reading may be inaccurate. In a preferred embodiment, this diameter is preferably greater than 1 mm and less than 6 mm. More preferably, the diameter is greater than 2 mm and less than 4 mm. The diameter used in the preferred embodiment is 3 mm, which has been found to provide an acceptable degree of attenuation for the movement of the weight 303 relative to the body 302.
During assembly, the weight 303 is rotatably attached to the body 302 by positioning the upper part such that the cavity 310 engages or is in direct proximity to the head 308. The lower part 312 of the weight 303 is disposed at an end opposite to the pivot member 305 or adjacent to the end so that the upper part 311 and the lower part 312 are coupled to each other. More specifically, the recess 313 at the lower edge of the upper part 311 is configured to be coupled to a flange 314 provided at the upper edge of the lower part 312. Next, the upper part 311 and the lower part 312 are coupled to each other by a coupling means such as soldering or gluing. Thereby, the pivot member 305 is effectively sealed in the weight 303. Thus, when the gauge is in use and the pivot member 305 is oriented substantially vertically, the weight 303 can freely rotate in two planes, and the weight's center of gravity can occupy a position directly below the head 308. In this state, the pointer 315 is rotated to a position, and two angles can be read by the two sets of markings 316 and 317 in the manner detailed with reference to the previous embodiment.
The internal dimension of the cavity in the weight 303 containing the pivot member 305 is such that a minimum gap is provided between the base 309 and the adjacent inner surface 335 of the lower part 312 when the weight 303 is suspended from the head 308 by gravity. Selected to ensure that. This ensures that the weight 303 is engaged with only the pivot member 305 by the head 308, and the weight can freely hang down. That is, the type of joint used in this preferred embodiment can be referred to as a “single rotational axis joint” in which the head of the pivot member 305 effectively functions as a “single rotational axis”. For example, if the gauge 301 oscillates up and down or the gauge 301 is inadvertently dropped, the weight can be moved far away from engagement with the head 308. In order to ensure that no displacement occurs, the gap is preferably minimal. A gap of about 0.5 mm is used in the preferred embodiment. That is, by using the smallest gap, the cavity 310 remains close to the head 308 even if the gauge vibrates or falls, and when the gauge 301 is returned to the in-use orientation with respect to gravity, the cavity 310 It is ensured that the head 308 is engaged again.
Notches 318 and 319 are provided on opposite sides of the upper part 311 of the weight 303, so that the weight 303 can rotate within an allowable movement range without hitting the pin 306. For the same reason, further notches 320 and 321 are provided in the lower part 312 of the weight 303.
The fourth embodiment of the gauge 301 is connectable to other surgical instruments via a connector 322 that takes the form of a plug-in connector. A female connector part 323 is disposed on the side of the main body 302. The female connector part 323 includes a hollow cylinder 332 having a proximal end 324 attached to the body 302 and an open distal end 325 configured to receive the male connector part. . The open distal end 325 has two opposing grooves 329 and 330 that define two tracks into which a corresponding pair of protrusions 326 and 327 protruding from the male connector part 328 can be inserted. . To avoid displacement of the gauge 301 relative to the connected surgical instrument, the protrusions 326 and 327 corresponding to the tracks 329 and 330 are different in size. Thus, there is only one relative orientation between the gauge 301 and the surgical instrument that allows both protrusions to couple with both tracks. Even if the position is shifted by 180 °, the larger protrusion 326 does not fit into the smaller groove 330.
The female connector part 323 includes a resilient biasing means in the form of a spring 331 such that the male connector part 328 compresses the protrusions 326 and 327 when the male connector part 328 is inserted into the female connector part 323. Arranged around the hollow cylinder. Thereby, the protrusion is biased toward the distal end of the hollow cylinder. Thus, when the gauge 301 is rotated relative to the surgical instrument to which it is attached, the protrusions 326 and 327 are moved around the track curves 333 and 334 and the protrusion is forced by the elastic bias to the end of the track. Firmly engaged with the sections 335 and 336, thereby connecting the gauge 301 to the surgical instrument. While connected, the end of the shaft 339 of the male connector part 328 is received in the hollow cylinder 332.
In order to disconnect the gauge 301 from the male connector part 328 of the surgical instrument, the user moves the protrusions 326 and 327 against the biasing force, and then twists the gauge 301 relative to the surgical instrument. 326 and 327 can be moved again around curves 333 and 334, thereby disengaging the protrusions from the open ends of tracks 340 and 341.
Although the invention has been described with reference to particular embodiments, those skilled in the art will recognize that the invention can be embodied in many other forms.
1 is a perspective view of a first preferred embodiment of the present invention. It is a top view of a 1st embodiment. It is a side view of a 1st embodiment. It is a rear view of a 1st embodiment. FIG. 6 is a perspective view of a second preferred embodiment of the present invention. It is a top view of a 2nd embodiment. It is a side view of 2nd Embodiment. It is a rear view of 2nd Embodiment. It is a perspective view of the weight used in both the 1st and 2nd preferred embodiment of the present invention. FIG. 10 is a side view of the weight shown in FIG. 9. FIG. 10 is a rear view of the weight shown in FIG. 9. FIG. 10 is a plan view of the weight shown in FIG. 9. It is a top view of the left cup holder. It is a top view of the right cup holder. It is a top view of a handle assembly. It is a side view of an alignment frame. It is a top view of an alignment frame. It is a top view of the spacer member which act | operates at a left hip joint part. It is a top view of the spacer member which act | operates at a right hip joint part. It is a perspective view of a patient just before the start of hip replacement. FIG. 3 is a perspective view showing a part of a spacer alignment device applied to a patient's acetabulum. It is a top view of the reading surface of the 3rd preferred embodiment of the present invention. It is a perspective view of the 4th Embodiment of this invention. It is a disassembled perspective view of 4th Embodiment. It is a top view of the main body of 4th Embodiment. It is a front view of the main body of 4th Embodiment. It is a side view of the main body of 4th Embodiment. It is a perspective view of the main body of 4th Embodiment. It is a perspective view of the pivot member of 4th Embodiment. It is a bottom view of the pivot member of 4th Embodiment. It is a front view of the pivot member of 4th Embodiment. It is a side view of the pivot member of 4th Embodiment. It is a perspective view of the pin used for 4th Embodiment. It is a side view of the pin of 4th Embodiment. It is a front view of the pin of 4th Embodiment. It is a perspective view of the lower part of the weight of a 4th embodiment. FIG. 37 is a plan view of the component shown in FIG. 36. FIG. 37 is a front view of the component shown in FIG. 36. FIG. 37 is a side view of the component shown in FIG. 36. It is a perspective view of the upper part of the weight of a 4th embodiment. It is a top view of the components shown in FIG. It is a front view of the components shown in FIG. It is a side view of the components shown in FIG. It is a female part of the plug-in type connector of 4th Embodiment. FIG. 45 is a front view of the female connector part shown in FIG. 44. FIG. 45 is a side view of the female connector part shown in FIG. 44. FIG. 45 is a plan view of the female connector part shown in FIG. 44. It is a perspective view of the male part of the plug-in type connector used with the gauge of 4th Embodiment. 48 is a plan view of the male connector part shown in FIG. 47. FIG. 48 is a side view of the male connector part shown in FIG. 47. FIG. 48 is a front view of the male connector part shown in FIG. 47. FIG.
A surgical gauge for determining a first angle on a first surface and a second angle on a second surface,
Attached to the body to hang down under the influence of a local gravitational field, both on the first surface and the second surface so as to determine the first angle and the second angle A weight that is rotatable relative to the body;
Including surgical procedure gauge.
The gauge of claim 1, wherein a universal joint rotatably attaches the weight to the body.
The gauge according to claim 2, wherein the universal joint is any one of a ball joint, a single rotary shaft joint, an eye end joint, a tie rod end joint, or a rose joint.
The gauge according to any one of the preceding claims, wherein the first surface is orthogonal to the second surface.
The gauge according to any one of the preceding claims, wherein the weight includes a pointer.
The gauge of claim 5, wherein the body includes a marking disposed adjacent to the pointer.
The gauge of claim 6, wherein a first subset of the markings corresponds to angular increments of the first angle and a second subset of the markings corresponds to angular increments of the second angle.
The gauge according to any one of the preceding claims, further comprising a connector disposed on the body to connect the gauge to an artificial part.
The gauge according to any one of the preceding claims, further comprising a connector disposed on the body for connecting the gauge to a predetermined site of a patient.
A gauge according to any one of the preceding claims, wherein the surgical procedure is the insertion of an acetabular cup into an expanded acetabulum performed during hip replacement.
11. A gauge according to claim 10, wherein the first angle corresponds to an version of the acetabular cup relative to a dilated acetabulum.
12. A gauge according to claim 10 or claim 11, wherein the second angle corresponds to an abduction of the acetabular cup relative to a dilated acetabulum.
A gauge according to any one of the preceding claims, wherein movement of the weight relative to the body is attenuated.
A first weight attached to the body to hang under the influence of a local gravitational field and rotatable relative to the body in the first surface to determine the first angle When,
A second weight attached to the body to hang under the influence of a local gravitational field and rotatable relative to the body in the second surface to determine the second angle When,
The first weight is attached to the main body so as to rotate about a first axis, and the second weight is attached to the main body so as to rotate about a second axis. 15. The gauge of claim 14, wherein the first axis is orthogonal to the second axis.
JP2006538604A 2003-11-12 2004-11-12 Surgical gauge Pending JP2007510475A (en)
AU2003906238A AU2003906238A0 (en) 2003-11-12 A gauge for use in a surgical procedure
PCT/AU2004/001568 WO2005046475A1 (en) 2003-11-12 2004-11-12 A gauge for use in a surgical procedure
JP2007510475A true JP2007510475A (en) 2007-04-26
ID=34578143
JP2006538604A Pending JP2007510475A (en) 2003-11-12 2004-11-12 Surgical gauge
US (1) US7484305B2 (en)
EP (1) EP1684632B1 (en)
JP (1) JP2007510475A (en)
KR (1) KR101163790B1 (en)
CN (2) CN100407990C (en)
BR (1) BRPI0416559A (en)
CA (1) CA2545388A1 (en)
EA (1) EA008902B1 (en)
HK (1) HK1098322A1 (en)
HR (1) HRP20060188A2 (en)
HU (1) HU0600655A2 (en)
IL (1) IL175591A (en)
MX (1) MXPA06005458A (en)
NO (1) NO20062717L (en)
NZ (1) NZ547062A (en)
WO (1) WO2005046475A1 (en)
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2004-11-12 CA CA002545388A patent/CA2545388A1/en not_active Abandoned
2004-11-12 HU HU0600655A patent/HU0600655A2/en unknown
2004-11-12 NZ NZ547062A patent/NZ547062A/en not_active IP Right Cessation
2004-11-12 MX MXPA06005458A patent/MXPA06005458A/en active IP Right Grant
2004-11-12 KR KR1020067011294A patent/KR101163790B1/en not_active IP Right Cessation
2004-11-12 EA EA200601240A patent/EA008902B1/en not_active IP Right Cessation
2004-11-12 US US10/578,993 patent/US7484305B2/en not_active Expired - Fee Related
2004-11-12 WO PCT/AU2004/001568 patent/WO2005046475A1/en active Application Filing
2004-11-12 CN CNB2004800375100A patent/CN100407990C/en not_active IP Right Cessation
2004-11-12 CN CN200810145643XA patent/CN101352378B/en not_active IP Right Cessation
2004-11-12 EP EP04797017A patent/EP1684632B1/en not_active Expired - Fee Related
2004-11-12 JP JP2006538604A patent/JP2007510475A/en active Pending
2004-11-12 BR BRPI0416559-4A patent/BRPI0416559A/en not_active IP Right Cessation
2006-05-11 IL IL175591A patent/IL175591A/en not_active IP Right Cessation
2006-05-25 HR HR20060188A patent/HRP20060188A2/en unknown
2006-06-12 NO NO20062717A patent/NO20062717L/en not_active Application Discontinuation
2007-05-04 HK HK07104780.9A patent/HK1098322A1/en not_active IP Right Cessation
IL175591D0 (en) 2006-09-05
HK1098322A1 (en) 2009-05-29
EA008902B1 (en) 2007-08-31
HRP20060188A2 (en) 2006-09-30
KR20060123277A (en) 2006-12-01
WO2005046475A1 (en) 2005-05-26
NO20062717L (en) 2006-08-14
EP1684632A1 (en) 2006-08-02
CN101352378B (en) 2012-05-16
CN100407990C (en) 2008-08-06
BRPI0416559A (en) 2007-01-23
EP1684632A4 (en) 2008-11-12
CN1893875A (en) 2007-01-10
CN101352378A (en) 2009-01-28
US7484305B2 (en) 2009-02-03
CA2545388A1 (en) 2005-05-26
IL175591A (en) 2010-05-31
US20070051002A1 (en) 2007-03-08
NZ547062A (en) 2008-10-31
MXPA06005458A (en) 2006-08-11
EP1684632B1 (en) 2012-06-20
HU0600655A2 (en) 2009-03-30
KR101163790B1 (en) 2012-07-09
EA200601240A1 (en) 2006-10-27
EP0761172A1 (en) 1997-03-12 Apparatus for correction of spaces between bone resection planes for knee prostheses