Knee joint prosthesis system and method for implantation

• US 9,763,793 B2
• Filed: 10/21/2013
• Issued: 09/19/2017
• Est. Priority Date: 10/10/2007
• Status: Active Grant

• Current Assignee: Biomet Manufacturing, LLC (Zimmer Biomet Holdings, Inc.)
• Original Assignee: Biomet Manufacturing, LLC (Zimmer Biomet Holdings, Inc.)
• Inventors: May, Brian M., Fox, Duke A.
• Primary Examiner(s): Isabella, David
• Assistant Examiner(s): NELSON, CHRISTINE L
• Application Number:
  US14/059,086
• Publication Number:
  US 20140114318A1
• Time in Patent Office: 1,429 Days
• Field of Search: 606 88, 623 2014, 623 2015, 623 2021, 623 2034, 623 2035, 623 2036, 623 2027, 623 2029
• CPC Class Codes: A61B 17/155 Cutting femur
• CPC Class Codes: A61B 17/157 Cutting tibia
• CPC Class Codes: A61B 17/1675 for the knee
• CPC Class Codes: A61B 17/1735 for rasps or chisels
• CPC Class Codes: A61B 17/1764 for the knee
• CPC Class Codes: A61F 2/30721 Accessories
• CPC Class Codes: A61F 2/38 for elbows or knees
• CPC Class Codes: A61F 2/3836 Special connection between upper and lower leg, e.g. constrained
• CPC Class Codes: A61F 2/385 also provided with condylar bearing surfaces
• CPC Class Codes: A61F 2/3868 with sliding tibial bearing
• CPC Class Codes: A61F 2002/30332 Conically- or frustoconically-shaped protrusion and recess
• CPC Class Codes: A61F 2002/30339 Double cones, i.e. connecting element having two conical connections, one at each of its opposite ends
• CPC Class Codes: A61F 2002/30604 modular
• CPC Class Codes: A61F 2002/30616 Sets comprising a plurality of prosthetic parts of different sizes or orientations
• CPC Class Codes: A61F 2002/30736 Augments or augmentation pieces, e.g. wedges or blocks for bridging a bone defect
• CPC Class Codes: A61F 2002/30878 with non-sharp protrusions, for instance contacting the bone for anchoring, e.g. keels, pegs, pins, posts, shanks, stems, struts
• CPC Class Codes: A61F 2220/0033 made by longitudinally pushing a protrusion into a complementary-shaped recess, e.g. held by friction fit

Abstract

A method for preparing a first bone for receiving a prosthesis. The method includes coupling a revision alignment member to a template; positioning an offset alignment bushing relative to the revision alignment member; positioning the offset alignment bushing at the first bone such that an intramedullary member seated in the first bone extends through a passage defined by the offset alignment bushing; replacing the offset alignment bushing with a first bone cutting bushing; cutting the first bone using the first bone cutting bushing as a guide; replacing the first bone cutting bushing with an offset second bone cutting bushing; providing the second bone cutting bushing with a rotational orientation corresponding to a rotational orientation of the offset alignment bushing; and cutting the first bone using the offset second bone cutting bushing as a guide to prepare the bone to receive an offset prosthesis adapter.

Claims

1. A method for preparing at least a first bone for receiving a prosthesis, the method comprising:

coupling a revision alignment member to a template;

positioning an offset alignment bushing relative to the revision alignment member;

positioning the offset alignment bushing at the first bone such that an intramedullary (lM) member seated in the first bone extends through a passage defined by the offset alignment bushing;

securing the template to the first bone;

replacing the offset alignment bushing with a first bone cutting bushing;

cutting the first bone using the first bone cutting bushing as a guide;

replacing the first bone cutting bushing with an offset second bone cutting bushing;

providing the offset second bone cutting bushing with a rotational orientation corresponding to a rotational orientation of the offset alignment bushing; and

cutting the first bone using the offset second bone cutting bushing as a guide to prepare the bone to receive the prosthesis with an offset adapter.

2. The method of claim 1, further comprising rotating the offset alignment bushing such that the template translates relative to the first bone.

3. The method of claim 1, wherein the template is a tibial template.

4. The method of claim 1, wherein the template is a femoral template.

5. The method of claim 1, wherein positioning the offset alignment bushing relative to the revision alignment member includes seating the offset alignment bushing in a pocket of the revision alignment member.

6. The method of claim 1, wherein the revision alignment member is a universal revision alignment member configured to independently couple with a tibial template or a femoral template.

7. The method of claim 1, wherein the first bone cutting bushing is an implant boss reamer bushing.

8. The method of claim 1, wherein the first bone cutting bushing is an implant boss reamer bushing used with a femoral offset template.

9. The method of claim 1, wherein the first bone cutting bushing is an implant boss reamer bushing used with a tibial template.

10. The method of claim 1, wherein the offset second bone cutting bushing is an offset adaptor rasp bushing.

11. The method of claim 1, wherein cutting the first bone using the offset second bone cutting bushing as a guide includes cutting the first bone with a rasp.

12. The method of claim 1, wherein providing the second bone cutting bushing with a rotational orientation corresponding to a rotational orientation of the offset alignment bushing includes aligning both the offset alignment bushing and the offset second bone cutting bushing to marking indicia of the revision alignment member.

13. The method of claim 1, further comprising mounting the offset alignment bushing to a femoral cutting block and positioning the offset alignment bushing at the first bone such that the intramedullary (IM) member seated in the first bone extends through the passage defined by the offset alignment bushing.

14. The method of claim 13, further comprising coupling an augment trial to the cutting block.

15. The method of claim 1, wherein the offset alignment bushing comprises:

a body having a central longitudinal axis;

an offset passage extending through the body offset from the central longitudinal axis; and

indicia on the body surrounding the offset passage.

16. The method of claim 1, wherein the offset second bone cutting bushing comprises:

a body having a central longitudinal axis;

a half-moon shaped passage defining a flat extending through the body offset from the central longitudinal axis; and

indicia on the body surrounding the half-moon shaped passage.

17. A method for preparing at least a first bone for receiving a prosthesis, the method comprising:

coupling a revision alignment member to a template;

positioning an offset alignment bushing relative to the revision alignment member;

positioning the offset alignment bushing at the first bone such that an intramedullary (IM) member seated in the first bone extends through a passage defined by the offset alignment bushing;

rotating the offset alignment bushing such that the template translates relative to the first bone;

securing the template to the first bone;

replacing the offset alignment bushing with a first bone cutting bushing;

cutting the first bone using the first bone cutting bushing as a guide;

replacing the first bone cutting bushing with an offset second bone cutting bushing;

providing the offset second bone cutting bushing with a rotational orientation corresponding to a rotational orientation of the offset alignment bushing based on marking indicators on each of the offset alignment bushing, offset second bone cutting bushing, and the revision alignment member; and

cutting the first bone using the offset second bone cutting bushing as a guide to prepare the bone to receive the prosthesis with an offset adapter.

18. The method of claim 17, further comprising coupling the revision alignment member to a tibial template.

19. The method of claim 17, further comprising coupling the revision alignment member to a femoral template.

20. A method for preparing at least a first bone for receiving a prosthesis, the method comprising:

coupling a universal revision alignment member to one of a femoral template or a tibial template;

positioning an offset alignment bushing relative to the revision alignment member;

positioning the offset alignment bushing at the first bone such that an intramedullary (IM) member seated in the first bone extends through a passage defined by the offset alignment bushing;

securing the template to the first bone;

replacing the offset alignment bushing with a first bone cutting bushing;

cutting the first bone using the first bone cutting bushing as a guide;

replacing the first bone cutting bushing with an offset second bone cutting bushing;

providing the offset second bone cutting bushing with a rotational orientation corresponding to a rotational orientation of the offset alignment bushing; and

cutting the first bone using the offset second bone cutting bushing as a guide to prepare the bone to receive the prosthesis with an offset adapter.

21. The method of claim 20, wherein the universal revision alignment member is coupled to the femoral template and the first bone is a femur.

22. The method of claim 20, wherein the universal revision alignment member is coupled to the tibial template and the first bone is a tibia.