A method of implanting a wrist prosthesis in a distal portion of an ulna for articulation at least near a radius and a carpal complex of a wrist joint is provided. The method can include forming an incision near a distal portion of the radius and ulna joint. The method can also include resecting a d
A method of implanting a wrist prosthesis in a distal portion of an ulna for articulation at least near a radius and a carpal complex of a wrist joint is provided. The method can include forming an incision near a distal portion of the radius and ulna joint. The method can also include resecting a distal portion of the ulna and positioning a stage member in a fixed position relative to the ulna. The method can further include sliding a bearing member relative to the stage member to hold the bearing member relative to the stage member and the distal ulna. The method can also include fixing the bearing member to a bearing fixation member extending from the stage member, and attaching soft tissue to at least one of the bearing member and the stage member.
대표청구항▼
1. A method of implanting a wrist prosthesis in a distal portion of an ulna for articulation at least near a radius and a carpal complex of a wrist joint, comprising: forming an incision near a distal portion of the radius and ulna joint;resecting a distal portion of the ulna;positioning a stage mem
1. A method of implanting a wrist prosthesis in a distal portion of an ulna for articulation at least near a radius and a carpal complex of a wrist joint, comprising: forming an incision near a distal portion of the radius and ulna joint;resecting a distal portion of the ulna;positioning a stage member in a fixed position relative to the ulna;sliding a bearing member perpendicularly relative to a longitudinal length of the stage member to hold the bearing member relative to the stage member and the distal ulna such that an inner end surface of a stage mounting region of the bearing member abuts, in a directional perpendicular to the longitudinal length of the stage member and in the direction the bearing member is being slid, an end surface of a bearing mounting member extending from a surface of the stage member, and wherein the bearing member has an exposed bearing surface facing towards and configured to articulate with a natural distal radius or a distal radial implant;fixing the bearing member to the bearing mounting member extending from the stage member; andattaching soft tissue to at least one of the bearing member and the stage member. 2. The method of claim 1, wherein forming the incision near the distal portion of the radius and the ulna joint includes forming the incision only on one of an anterior side of the wrist at the distal portion of the radius and ulna joint or on a posterior side of the wrist at the distal portion of the radius and ulna joint. 3. The method of claim 1, wherein fixing the bearing member includes passing a locking member through the bearing member to connect with a portion of the stage member to fix the bearing member to the stage member and relative to the ulna. 4. The method of claim 1, further comprising: selecting the bearing member from a plurality of bearing members;selecting the stage member from a plurality of stage members;wherein each of the plurality of bearing members includes a distinct height, width, articulation surface configuration, or combinations thereof; andwherein each of the stage members includes a stem portion extending from a stage member having a distinct length. 5. The method of claim 1, wherein attaching soft tissue includes: passing an anchor member through a bore defined by the stage member or the bearing member that is connected with the soft tissue. 6. The method of claim 5, wherein the soft tissue includes a Triangular fibrocartilage complex. 7. The method of claim 1, further comprising: selecting a bone replacement portion having a height operable to replace the resected distal portion of the ulna when combined and implanted with the stage member and the bearing member; andpositioning the bone replacement member between the stage member and a distal portion of the resected portion of the ulna. 8. The method of claim 1, further comprising resecting a portion of the carpal complex. 9. The method of claim 1, wherein sliding the bearing member relative to the stage member includes sliding the bearing member in a first direction, and wherein fixing the bearing member to the bearing mounting member includes passing an anchor member in the first direction through a bore defined by the stage member or the bearing member. 10. The method of claim 1, wherein positioning a stage member in a fixed position relative to the ulna includes positioning a stem portion within an intramedullary canal of the ulna. 11. The method of claim 1, further comprising positioning a radial implant in a fixed position relative to the radius. 12. The method of claim 11, wherein positioning the radial implant in a fixed position relative to the radius includes forming a bore in the radius and positioning a stem portion of the radial implant within the bore. 13. The method of claim 1, wherein the bearing member includes a first member and a second member, the method further comprising sliding the first member relative to the second member to hold the first member relative to the second member, and wherein sliding the bearing member relative to the stage member includes sliding the first and second members relative to the stage members. 14. A method of implanting a wrist prosthesis in a distal portion of an ulna for articulation at least near a radius and a carpal complex of a wrist joint, comprising: forming an incision near the wrist joint;resecting a distal portion of the ulna;positioning a stage member in a fixed position relative to the ulna, including passing a stem portion of the stage member in a first direction within an intramedullary canal of the ulna, the stage member including a bearing mounting portion extending above a surface of the stage member;sliding a bearing member in a second direction, substantially perpendicular to the first direction, relative to the stage member to hold the bearing member relative to the stage member and the distal ulna, the bearing member including a stage mounting portion complementary to the bearing mounting portion of the stage member to receive the bearing mounting portion of the stage member as the bearing member is slid in place, wherein the stage mounting portion of the bearing member does not extend through the bearing member such that an inner end surface of the stage mounting portion of the bearing member abuts, in a directional perpendicular to the longitudinal length of the stage member and in the direction the bearing member is being slid, an end surface of the bearing mounting portion of the stage member, and wherein the bearing member has an exposed bearing surface facing towards and configured to articulate with a natural distal radius or a distal radial implant; andattaching soft tissue to at least one of the bearing member and the stage member. 15. The method of claim 14, further comprising fixing the bearing member to the bearing mounting portion of the stage member extending from the stage member. 16. The method of claim 14, wherein fixing the bearing member includes passing a locking member in the first direction and through the bearing member to connect with a portion of the stage member. 17. The method of claim 14, further comprising: selecting the bearing member from a plurality of bearing members;selecting the stage member from a plurality of stage members;wherein each of the plurality of bearing members includes a distinct height, width, articulation surface configuration, or combinations thereof; andwherein the stem portion of each of the plurality of stage members extends a distinct length from the stage member. 18. The method of claim 14, wherein attaching soft tissue includes: passing an anchor member through a bore defined by the stage member or the bearing member that is connected with the soft tissue. 19. The method of claim 18, wherein the soft tissue includes a Triangular fibrocartilage complex. 20. The method of claim 14, further comprising: selecting a bone replacement portion having a height operable to replace the resected distal portion of the ulna when combined and implanted with the stage member and the bearing member; andpositioning the bone replacement member between the stage member and a distal portion of the resected portion of the ulna.
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이 특허에 인용된 특허 (61)
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