Source: http://www.google.com/patents/US8206418?dq=6499693
Timestamp: 2014-07-31 14:06:40
Document Index: 497722776

Matched Legal Cases: ['Application No. 60', 'Application No. 60', 'Application No. 60', 'Application No. 60', 'Application No. 60', 'Application No. 60', 'Application No. 60', 'Application No. 60', 'Application No. 60', 'Application No. 60', 'Application No. 60', 'Application No. 60', 'Application No. 60', 'Application No. 60', 'Application No. 60', 'Application No. 60', 'Application No. 61', 'Application No. 61', 'Application No. 61', 'Application No. 61', 'Application No. 61', 'Application No. 61', 'Application No. 61', 'Application No. 61', 'Application No. 61', 'Application No. 61']

Patent US8206418 - System and method for facet joint replacement with detachable coupler - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign in<nobr>Advanced Patent Search</nobr>PatentsA facet joint replacement system includes an inferior implant with an inferior articular surface, and a superior implant with a superior articular surface. The implants may be coupled together by a detachable coupler which can align and rigidly hold the inferior and superior articular surfaces in a preferred...http://www.google.com/patents/US8206418?utm_source=gb-gplus-sharePatent US8206418 - System and method for facet joint replacement with detachable couplerAdvanced Patent SearchPublication numberUS8206418 B2Publication typeGrantApplication numberUS 12/201,148Publication dateJun 26, 2012Filing dateAug 29, 2008Priority dateJan 10, 2007Also published asEP2203122A1, EP2203122A4, US8211147, US8252027, US8308768, US8333789, US8353933, US8702759, US20080221622, US20080275507, US20080319483, US20080319484, US20080319485, US20080319488, US20080319489, US20090012566, US20120232594, US20120303060, US20130023932, US20140100610, WO2009042349A1Publication number12201148, 201148, US 8206418 B2, US 8206418B2, US-B2-8206418, US8206418 B2, US8206418B2InventorsDaniel J. Triplett, Andrew R. Fauth, Joel R. HelgersonOriginal AssigneeGmedelaware 2 LlcExport CitationBiBTeX, EndNote, RefManPatent Citations (112), Non-Patent Citations (8), Referenced by (1), Classifications (41), Legal Events (4) External Links: USPTO, USPTO Assignment, EspacenetSystem and method for facet joint replacement with detachable couplerUS 8206418 B2Abstract A facet joint replacement system includes an inferior implant with an inferior articular surface, and a superior implant with a superior articular surface. The implants may be coupled together by a detachable coupler which can align and rigidly hold the inferior and superior articular surfaces in a preferred alignment relative to one another. A portion of the coupler may be deformable to allow detachment of the coupler from at least one of the implants. In one method of implantation, the superior and inferior implants may be aligned and coupled together with the coupler, and then secured to fixation members anchored in adjacent vertebrae. Alternatively, a first implant may be secured to a fixation member anchored in a first vertebra, and a second implant coupled to the coupler, aligned with the first implant and then secured to a fixation member anchored in a second vertebra. A tool may grip, position and/or deliver the coupler and the implants.
1. A method comprising: positioning an assembly proximate a natural facet joint of a spine, the assembly comprising a superior facet joint implant comprising a superior articular surface shaped to replace a natural superior articular surface of a first vertebra of the spine, an inferior facet joint implant comprising an inferior articular surface shaped to replace a natural inferior articular surface of a second vertebra of the spine, and a deformable coupler coupled to the superior and inferior facet joint implants; securing the superior facet joint implant to the first vertebra of the spine; securing an inferior fixation portion of the inferior facet joint implant to a pedicle of the second vertebra of the spine; and detaching the coupler from the superior and inferior facet joint implants,
wherein the deformable coupler comprises a clip having a first end and a second end, the first end and the second end being linked by a connecting portion that is deformable,
wherein when the connecting portion is flexed, the first end rotates about a first axis and the second end rotates about a second axis.
2. The method of claim 1, wherein detaching the coupler from the superior and inferior facet joint implants comprises deforming at least a portion of the coupler.
3. The method of claim 2, wherein a portion of the coupler comprises a post, the post comprising two opposably arranged ends, wherein detaching the coupler from the superior and inferior facet joints comprises removing a wire positioned between the ends.
4. The method of claim 1, wherein securing the superior facet joint implant to the first vertebra comprises securing a superior fixation portion of the superior facet joint implant to a pedicle of the first vertebra; wherein the superior fixation portion is displaced from the superior articular surface and the inferior fixation portion is displaced from the inferior articular surface.
5. The method of claim 1, wherein detaching the coupler from the superior and inferior facet joint implants comprises withdrawing the superior facet joint implant from a superior facet joint implant receiver of the coupler and withdrawing the inferior facet joint implant from an inferior facet joint implant receiver of the coupler.
6. The method of claim 1, wherein the coupler is of one-piece construction.
7. The method of claim 1, further comprising polyaxially adjusting an orientation of the inferior articular surface relative to the inferior fixation portion after securing the inferior fixation portion of the inferior facet joint implant to a pedicle of the second vertebra of the spine.
8. The method of claim 1, further comprising adjusting an offset distance between the inferior articular surface and the second pedicle of the spine after securing the inferior fixation portion of the inferior facet joint implant to a pedicle of the second vertebra of the spine.
9. A method comprising: securing a superior facet joint implant to a first vertebra of a spine, the superior facet joint implant comprising a superior articulation portion; positioning an assembly proximate the first vertebra and a second vertebra of the spine, the assembly comprising an inferior articulation portion coupled to an inferior fixation portion of an inferior facet joint implant, and a coupler coupled to the inferior articulation portion; and coupling the coupler to the superior facet joint implant after securement of the superior facet joint implant to the first vertebra such that the inferior facet joint implant is aligned with the superior facet joint implant in a desired relative position,
wherein the coupler comprises a clip having a first end and a second end, the first end and the second end being linked by a connecting portion that is deformable,
10. The method of claim 9, further comprising securing the inferior fixation portion of the inferior facet joint implant to the pedicle of the second vertebra of the spine.
11. The method of claim 9, further comprising: locking the inferior articulation portion of the inferior facet joint implant to the inferior fixation portion of the inferior facet joint implant at a desired relative orientation; and detaching the coupler from the inferior and superior facet joint implants.
12. The method of claim 11, wherein detaching the coupler from the inferior and superior facet joint implants comprises deforming the coupler.
13. The method of claim 11, wherein the coupler comprises a rigid alignment feature and a deformable retention feature, wherein detaching the coupler from at least one of the inferior and superior facet joint implants comprises flexing the deformable retention feature.
14. The method of claim 9, wherein the coupler is of one-piece construction.
15. The method of claim 9, wherein the inferior articulation portion comprises an inferior articular surface shaped to replace a natural inferior articular surface of the second vertebra, and wherein the superior articulation portion comprises a superior articular surface shaped to replace a natural superior articular surface of the first vertebra.
16. A method comprising: securing a first fixation assembly to a first vertebra of a spine; positioning an assembly proximate the first vertebra and a second vertebra of a spine, the assembly comprising: a superior articulation portion of a superior facet joint implant; an inferior articulation portion of an inferior facet joint implant; and a deformable coupler coupled to the superior and inferior articulation portions to keep the superior and inferior articulation portions in a desired relative position; and coupling a superior fixation portion of the superior facet joint implant to the first fixation assembly after securement of the first fixation assembly to the first vertebra,
17. The method of claim 16, wherein the inferior facet joint implant further comprises a strut comprising an inferior fixation portion, the method further comprising: coupling the strut to the inferior articulation portion; and coupling the inferior fixation portion to a second fixation assembly secured to a pedicle of the second vertebra.
18. The method of claim 16, further comprising detaching the deformable coupler from the superior and inferior articulation portions.
19. The method of claim 18, wherein the coupler comprises a deformable retention feature, wherein detaching the coupler from at least one of the inferior and superior facet joint implants comprises deforming the deformable retention feature.
20. The method of claim 16, wherein the inferior articulation portion comprises an inferior articular surface shaped to replace a natural inferior articular surface of the second vertebra, and wherein the superior articulation portion comprises a superior articular surface shaped to replace a natural superior articular surface of the first vertebra.
21. The method of claim 17, wherein coupling the strut of the inferior facet joint implant to the inferior articulation portion further comprises: polyaxially rotating the inferior fixation portion of the strut to a desired orientation relative to the inferior articulation portion; and actuating an attachment mechanism to rigidly secure the strut to the inferior articulation portion.
22. The method of claim 17, wherein coupling the inferior fixation portion of the inferior facet joint implant to the second fixation assembly further comprises: adjusting an offset distance between the inferior fixation portion and the second fixation assembly to a desired distance; and actuating an attachment mechanism to rigidly secure the inferior fixation portion to the second U fixation assembly.
pending U.S. application Ser. No. 12/104,726, filed Apr. 17, 2008, which carries Applicants', and is entitled FACET JOINT REPLACMENT; and
pending U.S. application Ser. No. 12/104,855, filed Apr. 17, 2008, which carries Applicants', and is entitled FACET JOINT REPLACMENT.
Each of these is a continuation-in-part of the following:
pending U.S. application Ser. No. 11/972,158, filed Jan. 10, 2008, which carries Applicants', and is entitled TAPER-LOCKING FIXATION SYSTEM, which claims the benefit of the following:
U.S. Provisional Patent Application No. 60/884,233, filed Jan. 10, 2007, which carries Applicants', and is entitled TAPER-LOCKING ROD FIXATION SYSTEM;
U.S. Provisional Application No. 60/912,323, filed Apr. 17, 2007, which carries Applicants', and is entitled AFRS MULTI-LEVEL IMPLANT SYSTEM;
U.S. Provisional Application No. 60/950,012, filed Jul. 16, 2007, which carries Applicants', and is entitled INFERIOR FACET IMPLANT HOLDER;
U.S. Provisional Application No. 60/950,021, filed Jul. 16, 2007, which carries Applicants', and is entitled MONORAIL INSTRUMENT GUIDANCE SYSTEM FOR LUMBAR SPINAL SURGERY;
U.S. Provisional Application No. 60/950,031, filed Jul. 16, 2007, which carries Applicants', and is entitled LINEAR POLYAXIAL LOCKING MECHANISM WITH TOOL;
U.S. Provisional Application No. 60/950,038, filed Jul. 16, 2007, which carries Applicants', and is entitled MOBILE INFERIOR FACET BEARING WITH SUPERIOR CLIP;
U.S. Provisional Application No. 60/957,505, filed Aug. 23, 2007, which carries Applicants', and is entitled DYNAMIC STABILIZATION AND STATIC FIXATIO OPTIONS FOR FACET REPLACEMENT PROSTHESIS;
U.S. Provisional Application No. 60/968,324, filed Aug. 27, 2007, which carries Applicants', and is entitled INTERVERTEBRAL DISC IMPLANT WITH FACET MOTION CONSTRAINTS;
U.S. Provisional Application No. 60/968,925, filed Aug. 30, 2007, which carries Applicants', and is entitled SYSTEMS AND METHODS FOR LESS INVASIZE FACET JOINT REPLACEMENT;
U.S. Provisional Application No. 60/975,731, filed Sep. 28, 2007, which carries Applicants', and is entitled MONOLITHIC INFERIOR IMPLANT STRUT WITH INTEGRAL CROSS LINK CLAMP;
U.S. Provisional Application No. 60/984,434, filed Nov. 1, 2007, which carries Applicants', and is entitled SUPERIOR INSTRUMENTS;
U.S. Provisional Application No. 60/984,428, filed Nov. 1, 2007, which carries Applicants', and is entitled CROSS LINK CLAMP;
U.S. Provisional Application No. 60/984,594, filed Nov. 1, 2007, which carries Applicants', and is entitled LOW PROFILE POLYAXIAL FACET IMPLANT;
U.S. Provisional Application No. 60/984,798, filed Nov. 2, 2007, which carries Applicants', and is entitled LOW PROFILE POLYAXIAL FACET IMPLANT;
U.S. Provisional Application No. 60/984,814, filed Nov. 2, 2007, which carries Applicants', and is entitled HINGED EYELET SCREW;
U.S. Provisional Application No. 60/984,983, filed Nov. 2, 2007, which carries Applicants', and is entitled ADJUSTABLE FACET IMPLANT BASE PIECE;
U.S. Provisional Application No. 61/014,344, filed Dec. 17, 2007, which carries Applicants', and is entitled INFERIOR STRUT UPDATE;
U.S. Provisional Application No. 61/015,866, filed Dec. 21, 2007, which carries Applicants', and is entitled INTERVERTEBRAL DISC IMPLANT WITH FACET MOTION CONSTRAINTS INCLUDING POSTERIOR COMBINATION;
U.S. Provisional Application No. 61/015,876, filed Dec. 21, 2007, which carries Applicants', and is entitled INTERVERTEBRAL DISC IMPLANT WITH FACET MOTION CONSTRAINTS AND METHODS FOR IMPLANT ALIGNMENT;
U.S. Provisional Application No. 61/015,886, filed Dec. 21, 2007, which carries Applicants', and is entitled EYELET PEDICLE SCREW WITH MULTI-AXIAL FIXATION; and
U.S. Provisional Application No. 61/015,840, filed Dec. 21, 2007, which carries Applicants', and is entitled CERVICAL PLATE WITH FACET MOTION CONTROL.
U.S. Provisional Application No. 61/023,927, filed Jan. 28, 2008, which carries Applicants', and is entitled AFRS GENERATION II INSTRUMENTS;
U.S. Provisional Application No. 61/033,473, filed Mar. 4, 2008, which carries Applicants', and is entitled TOP LOADING RECEIVER FOR AN ADJUSTABLE FACET REPLACEMENT;
U.S. Provisional Application No. 61/040,041, filed Mar. 27, 2008, which carries Applicants', and is entitled FACET JOINT REPLACEMENT;
U.S. Provisional Application No. 61/042,896, filed Apr. 7, 2008, which carries Applicants', and is entitled SPINAL FIXATION ON AN IMPLANT BASE; and
U.S. Provisional Application No. 61/045,526, filed Apr. 16, 2008, which carries Applicants', and is entitled INFERIOR BASE-SPLIT CLAMP AND MULTI-LEVEL SPLIT CLAMP.
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