Source: http://www.google.com/patents/US8109977?dq=5,950,200
Timestamp: 2014-03-15 21:54:28
Document Index: 665710384

Matched Legal Cases: ['Application No. 02', 'Application No. 09164698', 'Application No. 02', 'Application No. 2005', 'Application No. 2005', 'Application No. 2005']

Patent US8109977 - Method and apparatus for spinal fixation - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inAdvanced Patent SearchPatentsDisclosed is a fixation device for spinal fixation. The fixation device includes an elongated body comprising a bone anchor at a distal end. An axially moveable proximal anchor is carried by the proximal end of the fixation device. In one embodiment, the device is inserted through a first vertebra and...http://www.google.com/patents/US8109977?utm_source=gb-gplus-sharePatent US8109977 - Method and apparatus for spinal fixationAdvanced Patent SearchPublication numberUS8109977 B2Publication typeGrantApplication numberUS 11/623,290Publication dateFeb 7, 2012Filing dateJan 15, 2007Priority dateJul 19, 2002Also published asDE60330010D1, EP1523278A2, EP1523278A4, EP1523278B1, EP2100565A1, US7824429, US7993377, US20040127906, US20070118132, US20070123868, US20120191136, WO2004008949A2, WO2004008949A3Publication number11623290, 623290, US 8109977 B2, US 8109977B2, US-B2-8109977, US8109977 B2, US8109977B2InventorsBrad S. Culbert, Bruce E. StevensOriginal AssigneeInterventional Spine, Inc.Export CitationBiBTeX, EndNote, RefManPatent Citations (100), Non-Patent Citations (9), Referenced by (2), Classifications (27), Legal Events (2) External Links: USPTO, USPTO Assignment, EspacenetMethod and apparatus for spinal fixationUS 8109977 B2Abstract Disclosed is a fixation device for spinal fixation. The fixation device includes an elongated body comprising a bone anchor at a distal end. An axially moveable proximal anchor is carried by the proximal end of the fixation device. In one embodiment, the device is inserted through a first vertebra and the bone anchor is rotated into positioned within a second vertebra. The proximal anchor is distally advanced with respect to the bone anchor to provide compression across the first and second vertebra. In other embodiments, the device is used to secure stabilization devices across two or more vertebra.
advancing a first fixation device that comprises a body having a first portion that forms a bone anchor and a second portion that forms a proximal end into a first vertebra;
advancing a second fixation device that comprises a body having a first portion that forms a bone anchor and a second portion that forms a proximal end into a second vertebra;
coupling a first portion of a fixation structure to the first fixation device;
coupling a second portion of the fixation structure to the second fixation device;
securing the first portion of the fixation structure to the first vertebra by advancing a first proximal anchor distally along the body of the first fixation device and proximally retracting the body of the first fixation device with respect to the first proximal anchor; and
securing the second portion of the fixation structure to the second vertebra by advancing a second proximal anchor distally along the body of the second fixation device and proximally retracting the body of the second fixation device with respect to the second proximal anchor.
2. The method of claim 1, wherein the first vertebra is the L-5 vertebra and the second vertebra comprises the S-1 portion of the sacrum.
3. The method of claim 1, wherein the first and second vertebrae are in a cervical region of a spine.
4. The method of claim 1, wherein the step of advancing the first proximal anchor distally along the body of the first fixation device comprises advancing the first proximal anchor over at least 10% of the overall length of the first fixation device, the overall length measured from a proximal end of the body of the first fixation device to a distal end of the body of the first fixation device.
5. The method of claim 1, wherein the step of advancing the first proximal anchor distally along the body of the first fixation device comprises advancing the first proximal anchor over at least 20% of the overall length of the first fixation device, the overall length measured from a proximal end of the body of the first fixation device to a distal end of the body of the first fixation device.
6. The method of claim 1, wherein the step of advancing the first proximal anchor distally along the body of the first fixation device comprises advancing the first proximal anchor over at least 50% of the overall length of the first fixation device, the overall length measured from a proximal end of the body of the first fixation device to a distal end of the body of the first fixation device.
7. The method of claim 1, wherein the step of advancing the first proximal anchor distally along the body of the first fixation device comprising advancing a slip ring over retention structures on the body of the first fixation device.
8. The method of claim 1, wherein the step of advancing the first proximal anchor distally along the body of the first fixation device comprising advancing the first proximal anchor over retention structures on the body of the first fixation device.
9. The method of claim 1, wherein the step of advancing the advancing the first fixation into the first vertebra comprises rotating a helical anchor into the first vertebra.
10. The method of claim 9, wherein the step of advancing the first proximal anchor distally along the body of the first fixation device comprising advancing a slip ring over retention structures on the body of the first fixation device.
11. The method of claim 9, wherein the step of advancing the first proximal anchor distally along the body of the first fixation device comprising advancing the first proximal anchor over retention structures on the body of the first fixation device.
12. The method of claim 9, wherein the first vertebra is the L-5 vertebra and the second vertebra comprises the S-1 portion of the sacrum.
13. The method of claim 9, wherein the first and second vertebrae are in a cervical region of a spine.
14. The method of claim 1, further comprising advancing at least a portion of the first fixation device through an opening in the fixation structure.
15. The method of claim 14, wherein the step of advancing the advancing the first fixation into the first vertebra comprises rotating a helical anchor into the first vertebra.
16. The method of claim 14, wherein the step of advancing the first proximal anchor distally along the body of the first fixation device comprising advancing a slip ring over retention structures on the body of the first fixation device.
17. The method of claim 14, wherein the step of advancing the first proximal anchor distally along the body of the first fixation device comprising advancing the first proximal anchor over retention structures on the body of the first fixation device.
18. The method of claim 14, wherein the first vertebra is the L-5 vertebra and the second vertebra comprises the S-1 portion of the sacrum.
19. The method of claim 14, wherein the first and second vertebrae are in a cervical region of a spine.
20. The method of claim 14, wherein the step of advancing the first proximal anchor distally along the body of the first fixation device comprising advancing the first proximal anchor over retention structures on the body of the first fixation device.
PRIORITY INFORMATION This application is a continuation of U.S. patent application Ser. No. 10/623,193, filed Jul. 18, 2003, which claims the priority benefit under 35 U.S.C. �119(e) of Provisional Application 60/397,588 filed Jul. 19, 2002 and Provisional Application 60/424,055 filed Nov. 5, 2002, the entire contents of these applications are hereby incorporated by reference herein.
In accordance with another embodiment of the present invention, a method of providing spinal fixation comprises the steps of advancing a first fixation device that comprises a body having a first portion that forms a distal bone anchor and a second portion that forms a proximal end into a first vertebra, advancing a second fixation device that comprises a body having a first portion that forms a distal bone anchor and a second portion that forms a proximal end into a second vertebra, coupling a first portion of a fixation structure to the first fixation device, coupling a second portion of the fixation structure to the second fixation device, securing the first fixation structure to the first vertebra by advancing a first proximal anchor distally along the body of the first fixation device and proximally retracting the body of the first fixation device with respect to the first proximal anchor; and securing the second portion of the fixation structure to the second vertebra by advancing a second proximal anchor distally along the body of the second fixation device and proximally retracting the body of the second fixation device with respect to the second proximal anchor.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Although the fixation devices of the present invention will be disclosed primarily in the context of a spinal fixation procedure, the methods and structures disclosed herein are intended for application in any of a variety medical applications, as will be apparent to those of skill in the art in view of the disclosure herein. For example, the bone fixation device may be applicable to proximal fractures of the femur and a wide variety of fractures and osteotomies, the hand, such as interphalangeal and metacarpophalangeal arthrodesis, transverse phalangeal and metacarpal fracture fixation, spiral phalangeal and metacarpal fracture fixation, oblique phalangeal and metacarpal fracture fixation, intercondylar phalangeal and metacarpal fracture fixation, phalangeal and metacarpal osteotomy fixation as well as others known in the art. See e.g., U.S. Pat. No. 6,511,481, which is hereby incorporated by reference herein. A wide variety of phalangeal and metatarsal osteotomies and fractures of the foot may also be stabilized using the bone fixation devices described herein. These include, among others, distal metaphyseal osteotomies such as those described by Austin and Reverdin-Laird, base wedge osteotomies, oblique diaphyseal, digital arthrodesis as well as a wide variety of others that will be known to those of skill in the art. Fractures of the fibular and tibial malleoli, pilon fractures and other fractures of the bones of the leg may be fixated and stabilized with these bone fixation devices with or without the use of plates, both absorbable or non-absorbing types, and with alternate embodiments of the current invention The fixation devices may also be used to attach tissue or structure to the bone, such as in ligament reattachment and other soft tissue attachment procedures. Plates and washers, with or without tissue spikes for soft tissue attachment, and other implants may also be attached to bone, using either resorbable or nonresorbable fixation devices depending upon the implant and procedure. The fixation devices may also be used to attach sutures to the bone, such as in any of a variety of tissue suspension procedures. The bone fixation device described herein may be used with or without plate(s) or washer(s), all of which can be either permanent, absorbable, or combinations.
One open cell bioabsorbable material is described in U.S. Pat. No. 6,005,161 as a poly(hydroxy)acid in the form of an interconnecting, open-cell meshwork which duplicates the architecture of human cancellous bone from the iliac crest and possesses physical property (strength) values in excess of those demonstrated by human (mammalian) iliac crest cancellous bone. The gross structure is said to maintain physical property values at least equal to those of human, iliac crest, cancellous bone for a minimum of 90 days following implantation. The disclosure of U.S. Pat. No. 6,005,161 is incorporated by reference in its entirety herein.
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J Bone Joint Surg Am. 1948; 30: 560-578.7Mar. 23, 2011 Office Action for Japanese Application No. 2005-505552 filed on Jul. 18, 2003.8Mar. 31, 2010 Office Action for Japanese Patent Application No. 2005-505552 filed on Jul. 18, 2003.9May 27, 2009 Office Action for Japanese Patent Application No. 2005-505552 filed on Jul. 18, 2003.Referenced byCiting PatentFiling datePublication dateApplicantTitleUS20100249846 *Mar 24, 2010Sep 30, 2010Simonson Peter MVariable height, multi-axial bone screw assemblyUS20120109203 *Nov 1, 2010May 3, 2012Warsaw Orthopedic, Inc.Spinous process implant with extended post* Cited by examinerClassifications U.S. Classification606/279International ClassificationA61B17/80, A61B17/86, A61B17/70, A61B, A61B17/04, A61B17/88, A61F2/30, A61B17/58, A61B17/56Cooperative ClassificationA61B17/7064, A61B17/7007, A61B17/7049, A61B2017/044, A61B2017/0438, A61B2017/0424, A61B2019/307, A61B17/8047, A61B17/0401, A61B17/70, A61B17/8685, A61B2017/0425, A61B2017/0414, A61B17/701European ClassificationA61B17/70P2, A61B17/86P, A61B17/70Legal EventsDateCodeEventDescriptionJun 12, 2012CCCertificate of correctionDec 4, 2007ASAssignmentOwner name: INTERVENTIONAL SPINE, INC., CALIFORNIAFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:TRIAGE MEDICAL INC.;REEL/FRAME:020206/0327Effective date: 20061128Owner name: INTERVENTIONAL SPINE, INC.,CALIFORNIAFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:TRIAGE MEDICAL INC.;US-ASSIGNMENT DATABASE UPDATED:20100330;REEL/FRAME:20206/327RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services©2012 Google