Method and apparatus for restoring a joint, including the provision and use of a longitudinally-adjustable and rotationally-adjustable joint prosthesis
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61F-002/30
A61F-002/40
출원번호
US-0903079
(2010-10-12)
등록번호
US-8623092
(2014-01-07)
발명자
/ 주소
Bickley, Barry T.
Zovich, Richard E.
Zovich, Aldo M.
출원인 / 주소
Simplicity Orthopedics, Inc.
대리인 / 주소
Pandiscio & Pandiscio
인용정보
피인용 횟수 :
10인용 특허 :
123
초록▼
A joint prosthesis for mounting in a first bone and presenting a prosthetic joint surface for engaging an opposing joint surface of a second bone, the joint prosthesis comprising: a sleeve which is adapted for partial disposition in an opening formed in the first bone;a center adapter which is adapt
A joint prosthesis for mounting in a first bone and presenting a prosthetic joint surface for engaging an opposing joint surface of a second bone, the joint prosthesis comprising: a sleeve which is adapted for partial disposition in an opening formed in the first bone;a center adapter which is adapted for disposition within the sleeve; anda prosthetic joint surface mounted to the center adapter;wherein the disposition of the center adapter is adjustable, both longitudinally and rotationally, relative to the sleeve, so that the disposition of the prosthetic joint surface is adjustable, both longitudinally and rotationally, relative to the opposing joint surface of the second bone.
대표청구항▼
1. A joint prosthesis for mounting in a first bone and presenting a prosthetic joint surface for engaging an opposing joint surface of a second bone, the joint prosthesis comprising: a sleeve which is adapted for partial disposition in an opening formed in the first bone, wherein the sleeve comprise
1. A joint prosthesis for mounting in a first bone and presenting a prosthetic joint surface for engaging an opposing joint surface of a second bone, the joint prosthesis comprising: a sleeve which is adapted for partial disposition in an opening formed in the first bone, wherein the sleeve comprises a central lumen, a horizontally-extending rib and a longitudinally-extending rib;a center adapter which is adapted for disposition within the sleeve, wherein the center adapter comprises an elongated shaft sized for partial disposition within the central lumen of the sleeve, a plurality of horizontally-extending slots for selectively receiving the horizontally-extending rib of the sleeve, and a plurality of longitudinally-extending slots for selectively receiving the longitudinally-extending rib of the sleeve; anda prosthetic joint surface mounted to the center adapter;wherein the disposition of the center adapter is adjustable, both longitudinally and rotationally, relative to the sleeve, so that the disposition of the prosthetic joint surface is adjustable, both longitudinally and rotationally, relative to the opposing joint surface of the second bone, wherein the center adapter is locked against longitudinal motion vis-à-vis the sleeve when the horizontally-extending rib of the sleeve is disposed in one of the horizontally-extending slots of the center adapter, and further wherein the center adapter is locked against rotational motion vis-à-vis the sleeve when the longitudinally-extending rib of the sleeve is disposed in one of the longitudinally-extending slots of the center adapter. 2. A joint prosthesis according to claim 1 wherein the opening comprises the intramedullary canal of the first bone. 3. A joint prosthesis according to claim 1 wherein the joint surface comprises a convex surface. 4. A joint prosthesis according to claim 3 wherein the joint surface comprises a hemispherical structure. 5. A joint prosthesis according to claim 4 wherein the hemispherical structure comprises the ball of a ball-and-socket joint. 6. A joint prosthesis according to claim 1 wherein the joint surface comprises a concave surface. 7. A joint prosthesis according to claim 6 wherein the joint surface comprises a socket. 8. A joint prosthesis according to claim 7 wherein the socket comprises the socket of a ball-and-socket joint. 9. A joint prosthesis according to claim 1 wherein the sleeve comprises a first body and a second body, wherein the first body comprises the central lumen and the second body comprises the horizontally-extending rib and the longitudinally-extending rib, and further wherein the second body is selectively securable to the first body. 10. A joint prosthesis according to claim 9 wherein the first body of the sleeve comprises a crown having a peripheral detent formed therein, wherein the second body of the sleeve comprises a collar having a nib formed thereon, and further wherein the second body of the sleeve is secured to the first body of the sleeve when the nib is disposed in the peripheral detent. 11. A joint prosthesis according to claim 10 wherein the second body of the sleeve comprises two halves selectively secured together. 12. A joint prosthesis according to claim 9 wherein the longitudinally-extending rib is formed on the horizontally-extending rib. 13. A joint prosthesis according to claim 12 wherein the first body of the sleeve comprises the central lumen and the second body of the sleeve comprises the horizontally-extending rib and a longitudinally-extending rib, and further wherein the second body of the sleeve is selectively securable to the first body. 14. A joint prosthesis according to claim 12 wherein the second body of the sleeve comprises two halves pivotally secured to the first body. 15. A joint prosthesis according to claim 12 wherein the two halves latch to one another. 16. A joint prosthesis according to claim 12 wherein the plurality of horizontally-extending slots of the center adapter and the plurality of longitudinally-extending slots of the center adapter are superimposed upon one another. 17. A joint prosthesis according to claim 1 wherein the sleeve comprises a first body and a second body, wherein the first body of the sleeve comprises the central lumen and a longitudinally-extending rib, and further wherein the second body of the sleeve is selectively securable to the first body of the sleeve and comprises the horizontally-extending rib. 18. A joint prosthesis according to claim 17 wherein the second body of the sleeve comprises a key lock and further wherein the first body of the sleeve comprises a keyway for receiving the key lock. 19. A joint prosthesis according to claim 18 wherein the center adapter comprises a plurality of horizontally-extending ribs which are separated from one another by bands of recessed wall, wherein the bands of recessed wall effectively comprises horizontally-extending slots in the center adapter. 20. A joint prosthesis according to claim 19 wherein the longitudinally-extending slots of the center adapter are superimposed on the plurality of horizontally-extending ribs of the center adapter. 21. A joint prosthesis according to claim 19 wherein the sleeve comprises a plurality of longitudinally-extending ribs which are separated from one another by bands of recessed wall. 22. A joint prosthesis according to claim 1 wherein the joint prosthesis further comprises a cage mounted to the center adapter. 23. A joint prosthesis according to claim 1 wherein the joint prosthesis further comprises an opening for receiving a suture anchor therein. 24. A method for restoring a joint, the method comprising: providing a joint prosthesis for mounting in a first bone and presenting a prosthetic joint surface for engaging an opposing joint surface of a second bone, the joint prosthesis comprising: a sleeve which is adapted for disposition in an opening formed in the first bone, wherein the sleeve comprises a central lumen, a horizontally-extending rib and a longitudinally-extending rib;a center adapter which is adapted for partial disposition within the sleeve, wherein the center adapter comprises an elongated shaft sized for partial disposition within the central lumen of the sleeve, a plurality of horizontally-extending slots for selectively receiving the horizontally-extending rib of the sleeve, and a plurality of longitudinally-extending slots for selectively receiving the longitudinally-extending rib of the sleeve; anda prosthetic joint surface mounted to the center adapter;wherein the disposition of the center adapter is adjustable, both longitudinally and rotationally, relative to the sleeve, so that the disposition of the prosthetic joint surface is adjustable, both longitudinally and rotationally, relative to the opposing joint surface of the second, wherein the center adapter is locked against longitudinal motion vis-à-vis the sleeve when the horizontally-extending rib of the sleeve is disposed in one of the horizontally-extending slots of the center adapter, and further wherein the center adapter is locked against rotational motion vis-à-vis the sleeve when the longitudinally-extending rib of the sleeve is disposed in one of the longitudinally-extending slots of the center adapter;forming an opening in the first bone;deploying a sleeve in the opening formed in the first bone;positioning a center adapter partially within the sleeve;adjusting the longitudinal and rotational position of the center adapter with respect to the sleeve; andsecuring the center adapter to the sleeve.
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