Source: http://www.google.com/patents/US4917704?dq=4182933
Timestamp: 2014-12-29 16:48:47
Document Index: 628067036

Matched Legal Cases: ['arts 2', 'arts 2', 'arts 2', 'arts 2', 'arts 2', 'arts 2', 'arts 2', 'arts 2']

Patent US4917704 - Intervertebral prosthesis - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inAdvanced Patent SearchPatentsThe intervertebral prosthesis provides a replacement for a damaged disk. The prosthesis is formed as a solid body of kidney-shape and is provided with a metal mesh covering for the ingrowth of tissue. Raised parts are formed on the opposite surfaces of the kidney-shaped body impart lateral stability...http://www.google.com/patents/US4917704?utm_source=gb-gplus-sharePatent US4917704 - Intervertebral prosthesisAdvanced Patent SearchPublication numberUS4917704 APublication typeGrantApplication numberUS 07/204,020Publication dateApr 17, 1990Filing dateJun 8, 1988Priority dateJul 9, 1987Fee statusPaidAlso published asDE3866614D1, EP0298235A1, EP0298235B1Publication number07204020, 204020, US 4917704 A, US 4917704A, US-A-4917704, US4917704 A, US4917704AInventorsOtto Frey, Rudolf KochOriginal AssigneeSulzer Brothers LimitedExport CitationBiBTeX, EndNote, RefManPatent Citations (15), Referenced by (276), Classifications (16), Legal Events (7) External Links: USPTO, USPTO Assignment, EspacenetIntervertebral prosthesisUS 4917704 AAbstract The intervertebral prosthesis provides a replacement for a damaged disk. The prosthesis is formed as a solid body of kidney-shape and is provided with a metal mesh covering for the ingrowth of tissue. Raised parts are formed on the opposite surfaces of the kidney-shaped body impart lateral stability when in situ.
What is claimed is: 1. An intervertebral prosthesis for an arthrodesis comprising a disk-like body for fitting between a pair of vertebrae, said body having weld-like raised parts disposed on opposite surfaces thereof dimensioned to enhance lateral stability of said body in situ, each said raised part on said body having a cross-section of cylindrical segment shape and forming an acute angle with a second raised part on a respective surface of said body.
2. An intervertebral prosthesis as set forth in claim 1 wherein said angle is equal to 90�.
3. An intervertebral prosthesis as set forth in claim 1 wherein said raised parts on each surface of said body define a chevron shaped rib directed from ventral to dorsal.
4. An intervertebral prosthesis as set forth in claim 1 wherein said body is kidney-shaped.
5. An intervertebral prosthesis as set forth in claim 1 wherein said body tapers conically from ventral to dorsal.
6. An intervertebral prosthesis as set forth in claim 1 wherein said body is made of synthetic material and which further comprises a metal wire mesh on said opposite surfaces for an ingrowth of tissue.
7. An intervertebral prosthesis as set forth in claim 1 wherein said body is made of a metal selected from the group consisting of titanium and titanium alloy.
8. An intervertebral prosthesis for an arthrodesis comprising a kidney-shaped disk-like body for fitting between a pair of vertebrae, said body having a raised chevron-shaped rib disposed on opposite surfaces thereof to enhance lateral stability of said body in situ, each said rib projecting from a respective surface along the length thereof.
9. An intervertebral prosthesis as set forth in claim 8 wherein each rib has a cross-section of cylindrical segment shape.
10. An intervertebral prosthesis as set forth in claim 8 wherein each chevron shaped rib is directed from ventral to dorsal.
11. An intervertebral prosthesis as set forth in claim 8 wherein said body is made of synthetic material and which further comprises a metal wire mesh on said opposite surfaces for an ingrowth of tissue.
12. An intervertebral prosthesis for an arthrodesis comprising a kidney-shaped disk-like body for fitting between a pair of vertebrae, said body having raised parts disposed on opposite surfaces with each part projecting from a respective surface along the length thereof, each part extending from a ventral edge towards a dorsal edge along an axis intersecting with a ventral-to-dorsal plane of said body and with an axis of another of said parts to enhance lateral stability of said body in situ.
13. An intervertebral prosthesis as set forth in claim 12 wherein said parts on each surface define a chevronshaped rib.
14. An intervertebral prosthesis as set forth in claim 12 wherein said parts on each surface terminate in a region where said axes thereof intersect and a bridge-like web on each surface connects said parts thereat.
This invention relates to an intervertebral prosthesis. More particularly, this invention relates to an intervertebral prosthesis for an arthrodesis.
As is known, for an arthrodesis of two lumbar vertebrae relative to each other, two different approaches have been customary. In one approach, bone splinters have been removed from another part of the body, for example, from the pelvis or the shin, and placed as a partial replacement of the damaged intervertebral disk between the two vertebrae from the ventral direction and secured with bone screws. However, it has been shown that securement of the two adjacent vertebrae is insufficient and does not have the requisite stability, especially shortly after implantation when the bone tissue of the Vertebrae has not yet become intergrown with the bone splinters.
In the other approach, two adjacent vertebrae have been secured relative to each other by cross plates which are firmly connected with the two vertebrae from the dorsal direction, for example by means of screws. However, experience has shown that the cross plates which are arranged relatively far from the intervertebral disks effect only an insufficient securement of the vertebrae in the dorsal region of the vertebrae, particularly in the case of a greater intervertebral disk damage or in the case of a complete replacement of an intervertebral disk. Also, the plates tend toward instabilities in the reciprocable stiffening of the vertebrae.
French Patent 2372622 describes an intervertebral prosthesis which is formed of a disk and which is provided with weld-like raised parts in the form of spherical segments on opposite sides. Such a disk is to be placed between a pair of vertebrae with the spherical segments placed in hollow spherical-shaped depressions of the vertebrae. In this case, the disk is stiff and non-deformable while the raised parts are elastic. However, an arthrodesis of the two vertebrae is not possible with such a construction.
Various types of intervertebral prosthesis have also been known for implantation within a spinal column. For example, German OS 2365873 describes a skeletal type prosthesis which can be implanted in place of a vertebrae and secured in situ by means of screws to adjacent vertebrae. German 0S 263842 describes a composite disk like structure which is to be implanted between a pair of vertebrae to replace a damaged disk. HoWeVer, the stability of such a prosthesis cannot be ensured since no means is provided for a primary fixation of the prosthesis in place. Published European Patent Application 179695 describes a prosthesis which is intended to replace a damaged disk and which is constructed of a peripheral ring with a multi-apertured insert. However, such a prosthesis is relatively cumbersome to use and does not provide for a primary fixation of the prosthesis in situ. U.S. Pat. No. 3,867,728 describes a prosthesis for spinal repair Which is made of a core element of elastic polymer and an outer covering of porelike material to provide for tissue ingrowth. However, the securement of such a prosthesis in place cannot be readily obtained and the prosthesis does not have the required stability for primary fixation.
Accordingly, it is an object of the invention to provide an intervertebrae prosthesis which can be implanted and secured at relative low operative expense.
It is another object of the invention to ensure a firm and stable stiffening of two vertebrae when using an intervertebral disk replacement.
Briefly, the invention provides an intervertebral prosthesis comprised of a disk-like body which can be slid between two vertebrae from the ventral direction to function as a disk replacement. In addition, the disk-like body is provided with weld-like raised parts on opposite surfaces to enhance lateral stability of the body in situ.
The prosthesis is distinguished by great simplicity since the prosthesis is formed solely of a disk-like body for fitting between a pair Of vertebrae. The weld-like raised parts which are preferably of a cross section having a cylindrical segment shape form an acute angle with each other and are placed from the ventral direction into surgically prepared bores of the vertebral bodies which are adapted to the raised parts. These raised parts thus ensure lateral stabilitY of the arthrodesis as well as primary securement. Furthermore, it is advantageous if the angle formed by the raised parts on a given surface is 90�.
In Order to adapt the prosthesis to the anatomical conditions, the prosthesis body may be kidney-shaped and/or may have a thickness which tapers conically from ventral to dorsal.
The prosthesis body may be of a synthetic material, for example, polyethylene having the specifications customary for implants. In addition, the surfaces of such a synthetic material body may be covered with a metal mesh, for example, a multi-layered wire mesh of titanium or a titanium alloy in order to support tissue ingrowth and thereby ensure a long term securement.
Alternatively, the prosthesis body may consist of titanium or a titanium alloy. In this case also, the surfaces of the body may be provided with a structure which supports tissue ingrowth and which may also be formed of a wire mesh secured to the disk body by spot welding.
FIG. 1 illustrates a plan view of a prosthesis constructed in accordance with the invention;
FIG. 2 illustrates a cross-sectional view taken on line II--II of FIG. 1;
FIG. 3 illustrates a plan view of a modified prosthesis in accordance with the invention;
FIG. 4 illustrates a view of the prosthesis of FIG. 3 from dorsal to ventral:
FIG. 5 illustrates a view of a prosthesis in situ between two vertebrae; and
FIG. 6 illustrates a ventral view of a modified prosthesis in accordance with the invention.
Referring to FIG. 1, the intervertebral prosthesis is comprised of a disk-like body 1 for fitting between a pair of vertebrae and is provided with a pair of weld-like raised parts 2 on each of two opposite surfaces to enhance lateral stability of the body 1 in situ. As indicated, the raised parts 2 define a chevron rib and are disposed on axes which define an angle of 90�. As seen in FIG. 1, the rib defined by the raised parts 2 is directed from ventral to dorsal.
The disk 1 is of kidney or bean-shape which is curved convex ventrally and concave dorsally. In addition, the body 1 has a thickness which decreases from ventral to dorsal as indicated in FIG. 2.
The raised parts 2 each extend from the ventral edge 5 to the dorsal edge. However, as indicated in FIG. 3, the parts 2 may terminate in the region where the axes of the parts 2 intersect. In this case, the parts 2 are connected by a bridge-like web 3 (see FIG. 4).
The entire prosthesis including the body 1 and the parts 2 are covered with a multi-layered wire mesh 4, for example of titanium. Where the body 1 is made of a synthetic material such as polyethylene, at least one layer of the mesh 4 may be embedded in the body 1. In known manner, the mesh 4 serves to support tissue in growing onto and into the mesh.
Referring to FIG. 5, in order to improve a primary securement of the prosthesis prior to ingrowth of bone tissue, the ventral edge 5 of the body 1 is covered by a pair of fishplates 6. As indicated, the fishplates 6 only partially cover the ventral edge. In addition, each plate 6 is provided with a pair of openings 8 for the passage of bone screws into the adjacent vertebrae 9. These openings 8 are formed as part of a spherical bowl in order to facilitate alignment of the screws (not shown) in any direction.
Referring to FIG. 6, the prosthesis may also be provided with an integral fishplate arrangement 7 which covers the ventral edge 5, for example, as described in copending patent application Ser. No. 07/203,950, filed June 8, 1988. In this case, the fishplate arrangement 7 has pairs of openings 8 as above.
During implantation of the prosthesis body, for example, from ventral to dorsal, the body is slightly compressed by the vertebrae 9. Thereafter, the fishplates 6 or fishplate arrangement 7 can be secured to the Vertebrae 9 by means of bone screws to effect primary fixation.
The invention thus provides a prosthesis which can be used as an intervertebral disk replacement which ensures a stable stiffening (arthrodesis) of two vertebrae relative to each other. In addition, the raised parts of the prosthesis body which are placed into surgically prepared bores in the vertebrae ensure a primary securement and an increased lateral stability of the prosthesis.
Patent CitationsCited PatentFiling datePublication dateApplicantTitleUS2677369 *Mar 26, 1952May 4, 1954Fred L KnowlesApparatus for treatment of the spinal columnUS3867728 *Apr 5, 1973Feb 25, 1975Cutter LabProsthesis for spinal repairUS4034418 *May 11, 1976Jul 12, 1977The Governing Council Of The University Of TorontoArtificial knee jointUS4064567 *Sep 15, 1976Dec 27, 1977The Sampson CorporationProsthesis-to-bone interface systemUS4108229 *Jan 5, 1976Aug 22, 1978The Goodyear Tire & Rubber CompanyTraction element for removable trackUS4568294 *Jan 28, 1983Feb 4, 1986Owsen Paul JAll-terrain vehicleUS4599086 *Jun 7, 1985Jul 8, 1986Doty James RSpine stabilization device and methodUS4611581 *Dec 16, 1983Sep 16, 1986Acromed CorporationApparatus for straightening spinal columnsUS4714469 *Feb 26, 1987Dec 22, 1987Pfizer Hospital Products Group, Inc.Spinal implantDE2263842A1 *Dec 28, 1972Jul 4, 1974Hoffmann Daimler Siegfried DrBandscheibenprotheseDE2365873A1 *Aug 11, 1973Aug 26, 1976Pfaudler Werke AgRueckenwirbelendoprothese und herstellungsverfahrenEP0042271A1 *Jun 12, 1981Dec 23, 1981David J. KuntzIntervertebral disc prosthesisEP0179695A1 *Sep 25, 1985Apr 30, 1986Pierre KehrVertebral prosthesis, in particular for cervical vertebraeFR2372622A1 * Title not availableSU1107854A1 * Title not available* Cited by examinerReferenced byCiting PatentFiling datePublication dateApplicantTitleUS5071437 *Nov 21, 1990Dec 10, 1991Acromed CorporationElastomer core between flat rigid plateUS5139498 *Oct 13, 1989Aug 18, 1992Astudillo Ley Freddy RDevice for closing sternum in heart surgeryUS5306307 *Jul 22, 1991Apr 26, 1994Calcitek, Inc.Spinal disk implantUS5306309 *May 4, 1992Apr 26, 1994Calcitek, Inc.Spinal disk implant and implantation kitUS5397364 *Oct 12, 1993Mar 14, 1995Danek Medical, Inc.Anterior interbody fusion deviceUS5865845 *Mar 5, 1996Feb 2, 1999Thalgott; John S.Prosthetic intervertebral discUS5888223 *Jun 9, 1998Mar 30, 1999Bray, Jr.; Robert S.Anterior stabilization deviceUS5984967 *Feb 19, 1996Nov 16, 1999Sdgi Holdings, Inc.Osteogenic fusion devicesUS6001130 *Oct 6, 1997Dec 14, 1999Bryan; VincentHuman spinal disc prosthesis with hingesUS6045580 *Oct 9, 1998Apr 4, 2000Osteotech, Inc.Fusion implant device and method of useUS6206922Jan 28, 1998Mar 27, 2001Sdgi Holdings, Inc.Methods and instruments for interbody fusionUS6235034Oct 23, 1998May 22, 2001Robert S. BrayBone plate and bone screw guide mechanismUS6241769May 6, 1998Jun 5, 2001Cortek, Inc.Implant for spinal fusionUS6315795Apr 3, 2000Nov 13, 2001Osteotech, Inc.Fusion implant device and method of useUS6342074Apr 24, 2000Jan 29, 2002Nathan S. SimpsonAnterior lumbar interbody fusion implant and method for fusing adjacent vertebraeUS6348071Oct 30, 1998Feb 19, 2002Depuy Acromed, Inc.Spinal discUS6358254 *Sep 11, 2000Mar 19, 2002D. Greg AndersonMethod and implant for expanding a spinal canalUS6368351Mar 27, 2001Apr 9, 2002Bradley J. GlennIntervertebral space implant for use in spinal fusion proceduresUS6371988Jan 18, 2000Apr 16, 2002Sdgi Holdings, Inc.Bone graftsUS6375655Jan 21, 2000Apr 23, 2002Sdgi Holdings, Inc.Interbody fusion device and method for restoration of normal spinal anatomyUS6402785Jun 2, 2000Jun 11, 2002Sdgi Holdings, Inc.Artificial disc implantUS6413259Dec 14, 2000Jul 2, 2002Blackstone Medical, IncBone plate assembly including a screw retaining memberUS6419704Oct 8, 1999Jul 16, 2002Bret FerreeArtificial intervertebral disc replacement methods and apparatusUS6454804Oct 16, 2000Sep 24, 2002Bret A. FerreeEngineered tissue annulus fibrosis augmentation methods and apparatusUS6458159 *Aug 15, 2000Oct 1, 2002John S. ThalgottDisc prosthesisUS6471724Feb 5, 2001Oct 29, 2002Sdgi Holdings, Inc.Methods and instruments for interbody fusionUS6482233Jan 28, 1999Nov 19, 2002Synthes(U.S.A.)Prosthetic interbody spacerUS6482235Aug 18, 2000Nov 19, 2002Intrinsic Orthopedics, Inc.Devices and methods of vertebral disc augmentationUS6520996Jun 5, 2000Feb 18, 2003Depuy Acromed, IncorporatedOrthopedic implantUS6562045Aug 22, 2001May 13, 2003Sdgi Holdings, Inc.Machining apparatusUS6562072 *Jul 20, 2000May 13, 2003Aesculap Ag & Co. KgImplant for insertion between spinal column vertebraeUS6613090 *Jul 27, 2001Sep 2, 2003Aesculap Ag & Co. KgIntervertebral implantUS6613091Feb 11, 2000Sep 2, 2003Sdgi Holdings, Inc.Spinal fusion implants and tools for insertion and revisionUS6620196Aug 30, 2000Sep 16, 2003Sdgi Holdings, Inc.Intervertebral disc nucleus implants and methodsUS6645206Mar 3, 2000Nov 11, 2003Sdgi Holdings, Inc.Interbody fusion device and method for restoration of normal spinal anatomyUS6648919Jun 13, 2002Nov 18, 2003Bret A. FerreeTreating spinal degeneration or herniation; incorporating fibrocytes and/or chondrocytesUS6648920Jun 13, 2002Nov 18, 2003Bret A. FerreeHarvested fibrocytes or annulus fibrosis related cells combined with extracellular matrix; restoring heightUS6669732Aug 2, 2001Dec 30, 2003Depuy Acromed, Inc.Spinal discUS6682563Mar 4, 2002Jan 27, 2004Michael S. ScharfSpinal fixation deviceUS6695851Aug 7, 2002Feb 24, 2004Sdgi Holdings, Inc.Methods and instruments for interbody fusionUS6719794May 3, 2001Apr 13, 2004Synthes (U.S.A.)Intervertebral implant for transforaminal posterior lumbar interbody fusion procedureUS6733531Oct 20, 2000May 11, 2004Sdgi Holdings, Inc.Anchoring devices and implants for intervertebral disc augmentationUS6749635 *Sep 3, 1999Jun 15, 2004Sdgi Holdings, Inc.Peanut spectacle multi discoid thoraco-lumbar disc prosthesisUS6755863Jun 13, 2002Jun 29, 2004Bret A. FerreeRotator cuff repair using engineered tissuesUS6764491May 15, 2001Jul 20, 2004Sdgi Holdings, Inc.Devices and techniques for a posterior lateral disc space approachUS6764515 *Jan 7, 2002Jul 20, 2004Spinecore, Inc.Intervertebral spacer device utilizing a spirally slotted belleville washer and a rotational mountingUS6793677May 10, 2002Sep 21, 2004Bret A. FerreePreparation and spinal disc insertion of nucleus pulposus cells or tissueUS6830570Oct 23, 2000Dec 14, 2004Sdgi Holdings, Inc.Devices and techniques for a posterior lateral disc space approachUS6881228Feb 28, 2002Apr 19, 2005Sdgi Holdings, Inc.Artificial disc implantUS6883520Sep 5, 2002Apr 26, 2005Intrinsic Therapeutics, Inc.Methods and apparatus for dynamically stable spinal implantUS6893466Sep 24, 2002May 17, 2005Sdgi Holdings, Inc.Intervertebral disc nucleus implants and methodsUS6949105Aug 7, 2001Sep 27, 2005Sdgi Holdings, Inc.Method and apparatus for stereotactic implantationUS6969404Apr 11, 2002Nov 29, 2005Ferree Bret AAnnulus fibrosis augmentation methods and apparatusUS6974479Apr 21, 2003Dec 13, 2005Sdgi Holdings, Inc.System and method for blocking and/or retaining a prosthetic spinal implantUS6974480Nov 13, 2002Dec 13, 2005Synthes (Usa)Intervertebral implant for transforaminal posterior lumbar interbody fusion procedureUS7001433Oct 29, 2002Feb 21, 2006Pioneer Laboratories, Inc.Artificial intervertebral disc deviceUS7025787Nov 25, 2002Apr 11, 2006Sdgi Holdings, Inc.Implantable joint prosthesis and associated instrumentationUS7060073Apr 10, 2002Jun 13, 2006Sdgi Holdings, Inc.Devices and techniques for a posterior lateral disc space approachUS7060100Jul 16, 2004Jun 13, 2006Ferree Bret AArtificial disc and joint replacements with modular cushioning componentsUS7074221 *Sep 24, 2002Jul 11, 2006Sdgi Holdings, Inc.Anterior cervical plate systemUS7094258Sep 5, 2002Aug 22, 2006Intrinsic Therapeutics, Inc.Methods of reinforcing an annulus fibrosisUS7124761Dec 19, 2002Oct 24, 2006Intrinsic Therapeutics, Inc.Deployment devices and methods for vertebral disc augmentationUS7125380Mar 7, 2003Oct 24, 2006Warsaw Orthopedic, Inc.Clamping apparatus and methodsUS7147665Jul 22, 1999Dec 12, 2006Sdgi Holdings, Inc.Threaded cylindrical multidiscoid single or multiple array disc prosthesisUS7163561May 4, 2004Jan 16, 2007Warsaw Orthopedic, Inc.Flanged interbody spinal fusion implantsUS7166107Mar 19, 2002Jan 23, 2007D. Greg AndersonPercutaneous technique and implant for expanding the spinal canalUS7179262Dec 4, 2003Feb 20, 2007Sdgi Holdings, Inc.Method and apparatus for stereotactic implantationUS7189235Mar 19, 2003Mar 13, 2007Anulex Technologies, Inc.Spinal disc annulus reconstruction method and spinal disc annulus stentUS7192447 *Dec 19, 2002Mar 20, 2007Synthes (Usa)Intervertebral implantUS7201774Apr 4, 2003Apr 10, 2007Ferree Bret AArtificial intervertebral disc replacements incorporating reinforced wall sectionsUS7201776Nov 25, 2002Apr 10, 2007Ferree Bret AArtificial intervertebral disc replacements with endplatesUS7204851Nov 20, 2003Apr 17, 2007Sdgi Holdings, Inc.Method and apparatus for delivering an intervertebral disc implantUS7220281Sep 5, 2002May 22, 2007Intrinsic Therapeutics, Inc.Implant for reinforcing and annulus fibrosisUS7223292Dec 12, 2005May 29, 2007Synthes (U.S.A.)Intervertebral implant for transforaminal posterior lumbar interbody fusion procedureUS7226480Sep 27, 2002Jun 5, 2007Depuy Spine, Inc.Disc prosthesisUS7226483Feb 26, 2004Jun 5, 2007Synthes (U.S.A.)Method of performing a transforaminal posterior lumber interbody fusion procedureUS7238186Aug 20, 2003Jul 3, 2007Warsaw Orthopedic, Inc.Interbody fusion device and method for restoration of normal spinal anatomyUS7255698 *Aug 11, 2003Aug 14, 2007Warsaw Orthopedic, Inc.Apparatus and method for anterior spinal stabilizationUS7273497Jul 30, 2003Sep 25, 2007Anova Corp.Methods for treating a defect in the annulus fibrosisUS7276081Nov 23, 1999Oct 2, 2007Warsaw Orthopedic, Inc.Bone graftsUS7361193Nov 25, 2003Apr 22, 2008Warsaw Orthopedic, Inc.Devices and techniques for a posterior lateral disc space approachUS7435260Jun 25, 2004Oct 14, 2008Ferree Bret AUse of morphogenetic proteins to treat human disc diseaseUS7481812May 26, 2006Jan 27, 2009Warsaw Orthopedic, Inc.Devices and techniques for a posterior lateral disc space approachUS7500978Jun 30, 2006Mar 10, 2009Intrinsic Therapeutics, Inc.Method for delivering and positioning implants in the intervertebral disc environmentUS7503936Sep 23, 2004Mar 17, 2009Warsaw Orthopedic, Inc.Methods for forming and retaining intervertebral disc implantsUS7507243May 7, 2003Mar 24, 2009Gregory LambrechtDevices and method for augmenting a vertebral discUS7513911Sep 20, 2004Apr 7, 2009Intrinsic Therapeutics, Inc.Method of implanting dynamically stable spinal implantUS7520900Jul 11, 2005Apr 21, 2009Warsaw Orthopedic, Inc.Intervertebral disc nucleus implants and methodsUS7524333May 26, 2006Apr 28, 2009Intrinsic Therapeutics, Inc.Method of anchoring an implant in an intervertebral discUS7553329Oct 21, 2004Jun 30, 2009Intrinsic Therapeutics, Inc.Stabilized intervertebral disc barrierUS7553330Aug 22, 2006Jun 30, 2009Intrinsic Therapeutics, Inc.Methods of reinforcing an intervertebral disc annulusUS7563282May 21, 2003Jul 21, 2009Intrinsic Therapeutics, Inc.Method of supporting nucleus pulposusUS7601174Jun 20, 2003Oct 13, 2009Warsaw Orthopedic, Inc.Wear-resistant endoprosthetic devicesUS7615076May 3, 2005Nov 10, 2009Anulex Technologies, Inc.Method and apparatus for the treatment of the intervertebral disc annulusUS7618461Sep 23, 2004Nov 17, 2009Warsaw Orthopedic, Inc.Composite intervertebral disc implants and methods for forming the sameUS7621951Sep 26, 2003Nov 24, 2009Spider-Tek, LlcIntervertebral space implant for use in spinal fusion proceduresUS7621958Jan 22, 2004Nov 24, 2009Warsaw Orthopedic, Inc.Methods and instruments for interbody fusionUS7625381Sep 11, 2004Dec 1, 2009Warsaw Orthopedic, Inc.System and method for stabilizing a portion of the spineUS7637911Feb 18, 2004Dec 29, 2009Spinecore, Inc.Instrumentation and methods for use in implanting a cervical disc replacement deviceUS7641665May 6, 2004Jan 5, 2010Spinecore, Inc.Instrumentation and methods for use in implementing a cervical disc replacement deviceUS7641692Aug 8, 2001Jan 5, 2010Warsaw Orthopedic, Inc.Implantable joint prosthesisUS7648511Feb 18, 2004Jan 19, 2010Spinecore, Inc.Instrumentation and methods for use in implanting a cervical disc replacement deviceUS7651497Jul 1, 2004Jan 26, 2010Warsaw Orthopedic, Inc.Segmentable plate with locking elementUS7658765Oct 22, 2004Feb 9, 2010Intrinsic Therapeutics, Inc.Resilient intervertebral disc implantUS7662185Aug 28, 2003Feb 16, 2010Osteotech, Inc.Intervertebral implantsUS7670379Feb 16, 2006Mar 2, 2010Anulex Technologies, Inc.Spinal disc annulus reconstruction methodUS7674292May 6, 2004Mar 9, 2010Spinecore, Inc.Instrumentation and methods for use in implanting a cervical disc replacement deviceUS7704255Jul 1, 2004Apr 27, 2010Warsaw Orthopedic, Inc.Threadless multi-lock anterior cervical plating systemUS7708766Aug 11, 2003May 4, 2010Depuy Spine, Inc.Distraction screwUS7708780Nov 19, 2004May 4, 2010Spinecore, Inc.Instrumentation and methods for use in implanting a cervical disc replacement deviceUS7717944Aug 20, 2004May 18, 2010Warsaw Orthopedic, Inc.Instruments and methods for stabilization of bony structuresUS7717961Feb 5, 2003May 18, 2010Intrinsic Therapeutics, Inc.Apparatus delivery in an intervertebral discUS7726002Oct 13, 2004Jun 1, 2010Osteotech, Inc.Processes for making spinal intervertebral implant, interconnections for such implantUS7727241Jun 21, 2004Jun 1, 2010Intrinsic Therapeutics, Inc.Device for delivering an implant through an annular defect in an intervertebral discUS7749273Mar 15, 2007Jul 6, 2010Anulex Technologies, Inc.Method and apparatus for the treatment of the intervertebral disc annulusUS7749275Sep 20, 2004Jul 6, 2010Intrinsic Therapeutics, Inc.Method of reducing spinal implant migrationUS7753941Sep 17, 2004Jul 13, 2010Anulex Technologies, Inc.Devices and methods for annular repair of intervertebral discsUS7763055Jan 3, 2006Jul 27, 2010Warsaw Orthopedic, Inc.Instruments and methods for stabilization of bony structuresUS7766911Dec 5, 2005Aug 3, 2010Theken Spine, LlcFixed and variable locking fixation assemblyUS7780666Jun 1, 2005Aug 24, 2010Theken Spine, LlcFixed and variable locking fixation assemblyUS7780708Jan 31, 2005Aug 24, 2010Osteotech, Inc.Implant retaining deviceUS7785327Jun 1, 2005Aug 31, 2010Theken Spine, LlcFixed and variable locking fixation assemblyUS7828850Feb 10, 2006Nov 9, 2010Anulex Technologies, Inc.Methods and devices for spinal disc annulus reconstruction and repairUS7837732Nov 19, 2004Nov 23, 2010Warsaw Orthopedic, Inc.Intervertebral body fusion cage with keels and implantation methodsUS7857818Mar 30, 2007Dec 28, 2010Warsaw Orthopedic, Inc.Method and apparatus for delivering an intervertebral disc implantUS7862595Jan 23, 2007Jan 4, 2011Warsaw Orthopedic, Inc.Instruments and methods for stabilization of bony structuresUS7867259Jan 23, 2007Jan 11, 2011Warsaw Orthopedic, Inc.Instruments and methods for stabilization of bony structuresUS7867278Mar 14, 2008Jan 11, 2011Intrinsic Therapeutics, Inc.Intervertebral disc anulus implantUS7879097May 3, 2006Feb 1, 2011Intrinsic Therapeutics, Inc.Method of performing a procedure within a discUS7905923May 25, 2007Mar 15, 2011Anulex Technologies, Inc.Devices and methods for annular repair of intervertebral discsUS7909879Nov 9, 2006Mar 22, 2011Anulex Technologies, Inc.Intervertebral disc annulus stentUS7914554Mar 15, 2002Mar 29, 2011Warsaw Orthopedic, Inc.Spinal implant containing multiple bone growth promoting materialsUS7922768Nov 14, 2006Apr 12, 2011Anulex Technologies, Inc.Spinal disc annulus reconstruction method and deformable spinal disc annulus stentUS7935124Aug 7, 2003May 3, 2011Warsaw Orthopedic, Inc.Devices and techniques for a posterior lateral disc space approachUS7935147Sep 26, 2005May 3, 2011Anulex Technologies, Inc.Method and apparatus for enhanced delivery of treatment device to the intervertebral disc annulusUS7942104Dec 31, 2007May 17, 2011Nuvasive, Inc.3-dimensional embroidery structures via tension shapingUS7946236Dec 31, 2007May 24, 2011Nuvasive, Inc.Using zigzags to create three-dimensional embroidered structuresUS7951201Jan 12, 2007May 31, 2011Anulex Technologies, Inc.Method and apparatus for the treatment of the intervertebral disc annulusUS7959679Jan 16, 2007Jun 14, 2011Intrinsic Therapeutics, Inc.Intervertebral anulus and nucleus augmentationUS7963992Oct 8, 2008Jun 21, 2011Anulex Technologies, Inc.Method and apparatus for the treatment of the intervertebral disc annulusUS7967823 *Dec 1, 2006Jun 28, 2011Arthrex, Inc.Method and apparatus for performing an open wedge, high tibial osteotomyUS7967863Dec 12, 2008Jun 28, 2011Warsaw Orthopedic, Inc.Devices and techniques for a posterior lateral disc space approachUS7972337Dec 19, 2006Jul 5, 2011Intrinsic Therapeutics, Inc.Devices and methods for bone anchoringUS7976566Mar 25, 2002Jul 12, 2011Warsaw Orthopedic, Inc.Apparatus for insertion into an implantation spaceUS7981156Feb 18, 2004Jul 19, 2011Warsaw Orthopedic, Inc.Bone graftsUS7985257Nov 6, 2006Jul 26, 2011Anulex Technologies, Inc.Methods and devices for spinal disc annulus reconstruction and repairUS7985258Nov 13, 2009Jul 26, 2011Warsaw Orthopedic Inc.Methods and instruments for interbody fusionUS7993405Dec 8, 2006Aug 9, 2011Anulex Technologies, Inc.Spinal disc annulus repair system and methodsUS7998213Nov 17, 2006Aug 16, 2011Intrinsic Therapeutics, Inc.Intervertebral disc herniation repairUS7998215Dec 12, 2008Aug 16, 2011Warsaw Orthopedic, Inc.Devices and techniques for a posterior lateral disc space approachUS8002834Apr 28, 2009Aug 23, 2011Spinalmotion, Inc.Intervertebral prosthetic disc with metallic coreUS8002836Sep 20, 2004Aug 23, 2011Intrinsic Therapeutics, Inc.Method for the treatment of the intervertebral disc anulusUS8021425Jul 21, 2009Sep 20, 2011Intrinsic Therapeutics, Inc.Versatile method of repairing an intervertebral discUS8025698Apr 27, 2009Sep 27, 2011Intrinsic Therapeutics, Inc.Method of rehabilitating an anulus fibrosusUS8029568Jul 2, 2010Oct 4, 2011Spinecore, Inc.Intervertebral spacer device having a slotted partial circular domed arch strip springUS8034112Nov 9, 2006Oct 11, 2011Anulex Technologies, Inc.Spinal disc annulus reconstruction method and spinal disc annulus stentUS8038713Apr 23, 2003Oct 18, 2011Spinecore, Inc.Two-component artificial disc replacementsUS8048075Mar 17, 2004Nov 1, 2011Warsaw Orthopedic, Inc.Orthopedic implant with locking elementUS8048160Dec 22, 2005Nov 1, 2011Anulex Technologies, Inc.Intervertebral disc annulus stentUS8062371Apr 28, 2009Nov 22, 2011Spinalmotion, Inc.Intervertebral prosthetic disc with metallic coreUS8066750Oct 6, 2006Nov 29, 2011Warsaw Orthopedic, IncPort structures for non-rigid bone platesUS8083797Feb 4, 2005Dec 27, 2011Spinalmotion, Inc.Intervertebral prosthetic disc with shock absorptionUS8088165Mar 23, 2006Jan 3, 2012Anulex Technologies, Inc.Spinal disc annulus reconstruction method and deformable spinal disc annulus stentUS8090428Nov 11, 2009Jan 3, 2012Spinalmotion, Inc.Spinal midline indicatorUS8092538Apr 15, 2008Jan 10, 2012Spinalmotion, Inc.Intervertebral prosthetic discUS8092539Jul 1, 2010Jan 10, 2012Spinecore, Inc.Intervertebral spacer device having a belleville washer with concentric groovesUS8092542Nov 23, 2009Jan 10, 2012Warsaw Orthopedic, Inc.Implantable joint prosthesisUS8097035Nov 24, 2009Jan 17, 2012Glenn Bradley JIntervertebral space implant for use in spinal fusion proceduresUS8100955Mar 13, 2006Jan 24, 2012Spinal Elements, Inc.Orthopedic expansion fastenerUS8109979Dec 9, 2009Feb 7, 2012Spinecore, Inc.Instrumentation and methods for use in implanting a cervical disc replacement deviceUS8114082Aug 20, 2009Feb 14, 2012Intrinsic Therapeutics, Inc.Anchoring system for disc repairUS8123788Sep 11, 2004Feb 28, 2012Warsaw Orthopedic, Inc.Plating system having retaining member that permits movement of at least one bone fastenerUS8128698Oct 14, 2008Mar 6, 2012Anulex Technologies, Inc.Method and apparatus for the treatment of the intervertebral disc annulusUS8157847Apr 7, 2010Apr 17, 2012David Greg AndersonPercutaneous technique and implant for expanding the spinal canalUS8157865Jan 22, 2010Apr 17, 2012Stephen HochschulerApparatus and method for stabilizing adjacent bone portionsUS8163022Sep 3, 2009Apr 24, 2012Anulex Technologies, Inc.Method and apparatus for the treatment of the intervertebral disc annulusUS8206447Mar 7, 2008Jun 26, 2012Spinalmotion, Inc.Methods and apparatus for intervertebral disc prosthesis insertionUS8206449Jul 16, 2009Jun 26, 2012Spinalmotion, Inc.Artificial intervertebral disc placement systemUS8231628Nov 30, 2009Jul 31, 2012Spinecore, Inc.Instrumentation and methods for use in implanting a cervical disc replacement deviceUS8231675Feb 8, 2007Jul 31, 2012Synthes Usa, LlcIntervertebral implantUS8231678May 3, 2006Jul 31, 2012Intrinsic Therapeutics, Inc.Method of treating a herniated discUS8241360Oct 22, 2004Aug 14, 2012Pioneer Surgical Technology, Inc.Artificial disc deviceUS8257437Jan 10, 2011Sep 4, 2012Intrinsic Therapeutics, Inc.Methods of intervertebral disc augmentationUS8262708Feb 27, 2012Sep 11, 2012Warsaw Orthopedic, Inc.Single-lock plating systemUS8262731Jul 19, 2005Sep 11, 2012Pioneer Surgical Technology, Inc.Artificial disc deviceUS8277507May 28, 2010Oct 2, 2012Spinecore, Inc.Spacerless artificial disc replacementsUS8282681Aug 13, 2008Oct 9, 2012Nuvasive, Inc.Bioresorbable spinal implant and related methodsUS8323341Nov 12, 2009Dec 4, 2012Intrinsic Therapeutics, Inc.Impaction grafting for vertebral fusionUS8323343Dec 19, 2006Dec 4, 2012Warsaw Orthopedic, Inc.Flanged interbody spinal fusion implantsUS8328872Sep 2, 2008Dec 11, 2012Globus Medical, Inc.Intervertebral fusion implantUS8333985Jan 27, 2005Dec 18, 2012Warsaw Orthopedic, Inc.Non-glycerol stabilized bone graftUS8343188Apr 23, 2012Jan 1, 2013Warsaw Orthopedic, Inc.Device and method for locking a screw with a bendable plate portionUS8353964Nov 4, 2010Jan 15, 2013Carpenter Clyde TAnatomic total disc replacementUS8357167Oct 12, 2004Jan 22, 2013Spinecore, Inc.Artificial intervertebral disc trials with baseplates having inward tool engagement holesUS8361124Jan 24, 2006Jan 29, 2013Warsaw Orthopedic, Inc.Instruments and methods for stabilization of bony structuresUS8361153Sep 22, 2003Jan 29, 2013Spinecore, Inc.Porous intervertebral distraction spacersUS8361155Jan 19, 2010Jan 29, 2013Intrinsic Therapeutics, Inc.Soft tissue impaction methodsUS8372157Feb 11, 2008Feb 12, 2013Warsaw Orthopedic, Inc.Joint revision implantUS8377135Mar 31, 2009Feb 19, 2013Nuvasive, Inc.Textile-based surgical implant and related methodsUS8388684Oct 22, 2003Mar 5, 2013Pioneer Signal Technology, Inc.Artificial disc deviceUS8394146Jul 1, 2011Mar 12, 2013Intrinsic Therapeutics, Inc.Vertebral anchoring methodsUS8398712Nov 9, 2011Mar 19, 2013Spinalmotion, Inc.Intervertebral prosthetic disc with shock absorptionUS8409284Jan 10, 2011Apr 2, 2013Intrinsic Therapeutics, Inc.Methods of repairing herniated segments in the discUS8435300Mar 7, 2011May 7, 2013DePuy Synthes Products, LLCIntervertebral implant for transforaminal posterior lumbar interbody fusion procedureUS8444695May 12, 2009May 21, 2013Spinalmotion, Inc.Prosthetic disc for intervertebral insertionUS8454612Aug 20, 2009Jun 4, 2013Intrinsic Therapeutics, Inc.Method for vertebral endplate reconstructionUS8454697Apr 5, 2012Jun 4, 2013Anulex Technologies, Inc.Method and apparatus for the treatment of tissueUS8454698Feb 13, 2008Jun 4, 2013Spinalmotion, Inc.Prosthetic disc for intervertebral insertionUS8460319Aug 10, 2010Jun 11, 2013Anulex Technologies, Inc.Intervertebral disc annulus repair system and methodUS8470039Mar 13, 2006Jun 25, 2013Spinal Elements, Inc.Flanged interbody fusion device with fastener insert and retaining ringUS8470041Oct 3, 2011Jun 25, 2013Spinecore, Inc.Two-component artificial disc replacementsUS8480717Sep 11, 2012Jul 9, 2013Warsaw Orthopedic, Inc.Orthopedic implant with locking elementUS8486066May 15, 2003Jul 16, 2013Bonutti Skeletal Innovations LlcSpacerUS8486147Feb 4, 2008Jul 16, 2013Spinalmotion, Inc.Posterior spinal device and methodUS8491653Oct 4, 2010Jul 23, 2013Warsaw Orthopedic, Inc.Intervertebral body fusion cage with keels and implantation methodsUS8491654Jul 14, 2011Jul 23, 2013Warsaw Orthopedic Inc.Devices and techniques for a posterior lateral disc space approachUS8496691Mar 13, 2006Jul 30, 2013Spinal Elements, Inc.Side-biased orthopedic fastener retentionUS8496708Mar 13, 2006Jul 30, 2013Spinal Elements, Inc.Flanged interbody fusion device with hingeUS8500634Jan 17, 2013Aug 6, 2013Nuvasive, Inc.Surgical access system and related methodsUS8500778 *Jan 31, 2007Aug 6, 2013DePuy Synthes Products, LLCInterspinous process spacerUS8506631Sep 15, 2010Aug 13, 2013Spinalmotion, Inc.Customized intervertebral prosthetic disc with shock absorptionUS8512235Jun 1, 2012Aug 20, 2013Nuvasive, Inc.Surgical access system and related methodsUS8548579Aug 7, 2012Oct 1, 2013Nuvasive, Inc.System and methods for performing surgical procedures and assessmentsUS8556808Jan 15, 2013Oct 15, 2013Nuvasive, Inc.Surgical access system and related methodsUS8556977Nov 12, 2010Oct 15, 2013Anulex Technologies, Inc.Tissue anchoring system and methodUS8562521Feb 1, 2013Oct 22, 2013Nuvasive, Inc.Surgical access system and related methodsUS8579911Jan 16, 2009Nov 12, 2013Spinecore, Inc.Instruments and methods for inserting artificial intervertebral implantsUS8591432Jan 3, 2011Nov 26, 2013Nuvasive, Inc.Surgical access system and related methodsUS8597356Jun 29, 2012Dec 3, 2013DePuy Synthes Products, LLCIntervertebral implantUS8602982Apr 4, 2013Dec 10, 2013Nuvasive, Inc.Surgical access system and related methodsUS8628469Jul 30, 2013Jan 14, 2014Nuvasive, Inc.Surgical access system and related methodsUS8632590Sep 26, 2006Jan 21, 2014Anulex Technologies, Inc.Apparatus and methods for the treatment of the intervertebral discUS8636805May 21, 2012Jan 28, 2014Spinalmotion, Inc.Artificial intervertebral disc placement systemUS8641743Jul 9, 2013Feb 4, 2014Warsaw Orthopedic, Inc.Orthopedic implant with locking elementUS8641768Feb 1, 2012Feb 4, 2014Globus Medical, Inc.Intervertebral fusion implantUS8652153Aug 10, 2010Feb 18, 2014Anulex Technologies, Inc.Intervertebral disc annulus repair system and bone anchor delivery toolUS8663100Sep 4, 2013Mar 4, 2014Nuvasive, Inc.Surgical access system and related methodsUS8672840May 8, 2012Mar 18, 2014Nuvasive, Inc.Surgical access system and related methodsUS8672980Aug 24, 2010Mar 18, 2014Warsaw Orthopedic, Inc.Implant retaining deviceUS8679006Feb 1, 2013Mar 25, 2014Nuvasive, Inc.Surgical access system and related methodsUS8679182Aug 29, 2012Mar 25, 2014Spinecore, Inc.Spacerless artificial disc replacementsUS8690944 *Oct 30, 2007Apr 8, 2014Bonutti Skeletal Innovations, LLCWedge apparatus for use in operating on a boneUS8690949Apr 12, 2013Apr 8, 2014DePuy Synthes Products, LLCIntervertebral implant for transforaminal posterior lumbar interbody fusion procedureUS8696721Dec 21, 2011Apr 15, 2014Spinal Elements, Inc.Orthopedic expansion fastenerUS8708899Feb 1, 2013Apr 29, 2014Nuvasive, Inc.Surgical access system and related methodsUS8709083Jun 4, 2009Apr 29, 2014William E. DuffieldIntervertebral fusion implantUS8721685Jan 24, 2006May 13, 2014Kevin T. FoleyInstruments and methods for stabilization of bony structuresUS8734519Apr 12, 2007May 27, 2014Spinalmotion, Inc.Posterior spinal device and methodUS8738123Feb 11, 2013May 27, 2014Nuvasive, Inc.System and methods for performing surgical procedures and assessmentsUS8747307Sep 4, 2013Jun 10, 2014Nuvasive, Inc.Surgical access system and related methodsUS8753271Jan 13, 2014Jun 17, 2014Nuvasive, Inc.Surgical access system and related methodsUS8758441Oct 22, 2008Jun 24, 2014Spinalmotion, Inc.Vertebral body replacement and method for spanning a space formed upon removal of a vertebral bodyUS8764649Oct 11, 2013Jul 1, 2014Nuvasive, Inc.Surgical access system and related methodsUS8764833Mar 9, 2009Jul 1, 2014Spinalmotion, Inc.Artificial intervertebral disc with lower heightUS8764835Feb 1, 2011Jul 1, 2014Bret A. FerreeIntervertebral disc treatment methods and apparatusUS8768450Feb 8, 2013Jul 1, 2014Nuvasive, Inc.System and methods for performing surgical procedures and assessmentsUS8771356Sep 14, 2012Jul 8, 2014Spinalmotion, Inc.Intervertebral prosthetic discUS8777959May 24, 2006Jul 15, 2014Spinecore, Inc.Intervertebral disc and insertion methods thereforUS8784492Jan 9, 2013Jul 22, 2014Spinecore, Inc.Artificial disc replacements with natural kinematicsUS8790406Apr 2, 2012Jul 29, 2014William D. SmithSystems and methods for performing spine surgeryUS8795363Mar 19, 2013Aug 5, 2014Bonutti Skeletal Innovations LlcWedge apparatus for use in operating on a boneUS8795375Jul 23, 2009Aug 5, 2014Resspond Spinal SystemsModular nucleus pulposus prosthesisUS8801789Jun 14, 2013Aug 12, 2014Spinecore, Inc.Two-component artificial disc replacementsUS8801792Jul 22, 2010Aug 12, 2014Spinalmotion, Inc.Posterio spinal device and methodUS8801794May 23, 2013Aug 12, 2014Spinal Elements, Inc.Flanged interbody fusion device with fastener insert and retaining ringUS8812116May 7, 2012Aug 19, 2014Nuvasive, Inc.System and methods for determining nerve proximity, direction, and pathology during surgeryUS8814867Apr 17, 2012Aug 26, 2014Innovative Surgical Designs, Inc.Percutaneous technique and implant for expanding the spinal canalUS8821396Jun 9, 2014Sep 2, 2014Nuvasive, Inc.Surgical access system and related methodsUS8821549Nov 25, 2009Sep 2, 2014Anova CorporationMethods and apparatus for anulus repairUS8834496Feb 1, 2011Sep 16, 2014Bret A. FerreeSoft tissue repair methods and apparatusUS20090105833 *Oct 22, 2008Apr 23, 2009Spinalmotion, Inc.Method and Spacer Device for Spanning a Space Formed upon Removal of an Intervertebral DiscUS20110060366 *Jun 30, 2008Mar 10, 2011Stephen HeimFacet Joint Implant and Related MethodsUSRE42480 *Dec 14, 2001Jun 21, 2011Warsaw Orthopedic, Inc.Human spinal disc prothesis with hingesUSRE42576Feb 2, 2001Jul 26, 2011Warsaw Orthopedic, Inc.Human spinal disc prosthesisEP1166725A2Jun 6, 1997Jan 2, 2002Spinal Dynamics CorporationHuman spinal disc prosthesisWO2000013619A1 *Sep 3, 1999Mar 16, 2000Spinal Dynamics CorpPeanut spectacle multi discoid thoraco-lumbar disc prosthesis* Cited by examinerClassifications U.S. Classification623/17.16, 606/910, 606/907, 606/247International ClassificationA61F2/00, A61F2/30, A61F2/44Cooperative ClassificationY10S606/91, Y10S606/907, A61F2002/30578, A61F2230/0015, A61F2002/30133, A61F2002/30909, A61F2002/30576, A61F2/442European ClassificationA61F2/44DLegal EventsDateCodeEventDescriptionApr 2, 2007ASAssignmentOwner name: ZIMMER GMBH, SWITZERLANDFree format text: CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNOR FROM SULZER AG TO SULZER BROTHERS LTD. PREVIOUSLY RECORDED ON REEL 018015 FRAME 0390;ASSIGNOR:SULZER BROTHERS LTD.;REEL/FRAME:019094/0932Effective date: 20060612Free format text: CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNOR FROM SULZER AG TO SULZER BROTHERS LTD. PREVIOUSLY RECORDED ON REEL 018015 FRAME 0390. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT OF ASSIGNOR S INTEREST.;ASSIGNOR:SULZER BROTHERS LTD.;REEL/FRAME:019094/0932Jul 28, 2006ASAssignmentOwner name: ZIMMER GMBH, SWITZERLANDFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:SULZER AG;REEL/FRAME:018015/0390Effective date: 20060612Oct 12, 2001FPAYFee paymentYear of fee payment: 12Sep 15, 1997FPAYFee paymentYear of fee payment: 8Sep 14, 1993FPAYFee paymentYear of fee payment: 4Sep 17, 1991CCCertificate of correctionJan 24, 1990ASAssignmentOwner name: SULZER BROTHERS LIMITED, SWITZERLANDFree format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNORS:FREY, OTTO;KOCH, RUDOLF;REEL/FRAME:005216/0559Effective date: 19900110RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services©2012 Google