IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0271483
(2011-10-12)
|
등록번호 |
US-8734446
(2014-05-27)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
Schwegman Lundberg & Woessner, P.A.
|
인용정보 |
피인용 횟수 :
4 인용 특허 :
62 |
초록
▼
A clamping device for an external fixation system includes a first clamp having an opening for receiving an external fixation element, the first clamp having an axle seat. A first base component includes a concave first surface and a second surface facing away from the first surface. The concave fir
A clamping device for an external fixation system includes a first clamp having an opening for receiving an external fixation element, the first clamp having an axle seat. A first base component includes a concave first surface and a second surface facing away from the first surface. The concave first surface is in selective engagement with the clamp. A swivel element comprises an axle component and a post component. The axle component is disposed on the axle seat of the first clamp. The post component extends from the axle component and has a length sized to extend from the axle component through a second external fixation clamp. The post component is arranged to swivel relative to the axle seat. Methods are also disclosed.
대표청구항
▼
1. A clamping device for an external fixation system, comprising: a first clamp having an opening for receiving an external fixation element, the first clamp having an axle seat and comprising an inner jaw and an outer jaw, the inner jaw comprising a one-piece inner jaw;a first base component having
1. A clamping device for an external fixation system, comprising: a first clamp having an opening for receiving an external fixation element, the first clamp having an axle seat and comprising an inner jaw and an outer jaw, the inner jaw comprising a one-piece inner jaw;a first base component having a concave first surface and having a second surface facing away from the first surface, the concave surface being in selective engagement with the first clamp; anda swivel element comprising an axle component and a post component, the axle seat being disposed inside the inner jaw, the axle component being disposed on the axle seat, the post component extending from the axle component and having a length sized to extend from the axle component through a second external fixation clamp, the post component being arranged to swivel relative to the axle seat. 2. The clamping device of claim 1, wherein the first clamp includes a first convex outer surface arranged to interface with the concave first surface of the first base component, the first convex outer surface and the concave first surface comprising friction enhancing features. 3. The clamping device of claim 2, wherein the friction enhancing features are splines. 4. The clamping device of claim 1, wherein the axle component and the post component are rigidly fixed. 5. The clamping device of claim 1, wherein the post component is configured to pivot about the axle component. 6. The clamping device of claim 1, wherein the post component is configured to extend from the axle component in a direction away from the outer jaw. 7. The clamping device of claim 1, further comprising a second external fixation clamp. 8. The clamping device of claim 7, wherein the second clamp is secured to the post component and the second clamp can be locked in the desired angle relative to the first clamp. 9. The clamping device of claim 7, further comprising a second base component disposed between the first base component and the second clamp. 10. The clamping device of claim 7, wherein at least one of the first and second clamps is configured to hold a plurality of fixation elements. 11. The clamping device of claim 1, wherein the swivel element and the first clamp cooperate to permit the post to swivel through a swivel range greater than fifty degrees. 12. The clamping device of claim 1, wherein the first clamp comprises a tightening mechanism independent of the swivel element. 13. The clamping device of claim 12, wherein the first clamp comprises an inner jaw and an outer jaw, and wherein the tightening mechanism comprises a tightening post extending from one of the inner and outer jaws through the other of the inner and outer jaws. 14. The clamping device of claim 13, wherein the tightening post is integral with the inner jaw. 15. The clamping device of claim 1, wherein the inner and outer jaws are one-piece first and second jaws connected via a flexible portion that allows the first and second jaws to flex to receive and clamp onto the fixation element. 16. The clamping device of claim 15, wherein the clamping device comprises a second clamp having an opening for receiving a second external fixation element, the second clamp being configured to swivel relative to the axle seat with the post component, the second clamp having one-piece third and fourth jaws connected via a flexible portion that allows the third and fourth jaws to flex to receive and clamp onto a second fixation element. 17. A clamping device for an external fixation system, comprising: a first clamp having an opening for receiving a first external fixation element, the first clamp comprising an inner jaw and an outer jaw, the inner jaw comprising a one-piece inner jaw having an axle seat;a second clamp having an opening for receiving a second external fixation element; anda swivel element comprising an axle component and a post component, the axle component being disposed on the axle seat, the post component extending from the axle component through the second clamp, the post component and the second clamp being arranged to swivel in a single plane relative to the axle seat. 18. The clamping device of claim 17, further comprising a locking mechanism associated with the post component, the locking mechanism being configured to lock a second fixation element in the second clamp while not locking a first fixation element in the first clamp. 19. The clamping device of claim 17, wherein the first clamp comprises a tightening mechanism independent of the swivel element. 20. The clamping device of claim 19, wherein the tightening mechanism comprises a tightening post extending from the one of the inner and outer jaws through the other of the inner and outer jaws. 21. A clamping device for an external fixation system, comprising: a first clamp having an opening for receiving a first external fixation element, the first clamp comprising an inner jaw and an outer jaw, the inner jaw having an axle seat;a second clamp having an opening for receiving a second external fixation element;a swivel element comprising an axle component and a post component, the axle component being disposed on the axle seat, the post component extending from the axle component through the second clamp, the post component and the second clamp being arranged to swivel in a single plane relative to the axle seat,wherein the inner and outer jaws are one-piece first and second jaws connected via a flexible portion that allows the first and second jaws to flex to receive and clamp onto the first fixation element. 22. The clamping device of claim 21, wherein the second clamp comprises one-piece third and fourth jaws connected via a flexible portion that allows the third and fourth jaws to flex to receive and clamp onto the second fixation element. 23. A clamping device for an external fixation system comprising: a first clamp comprising a first jaw and a second jaw, the first and second jaws cooperating to capture a fixation element, one of the first and second jaws having a hollow interior portion comprising an axle seat, the one of the first and second jaws comprising a one-piece jaw;a second clamp comprising a third jaw and a fourth jaw, the third and fourth jaws cooperating to capture a fixation element; anda swivel element having an axle disposed in the hollow interior portion on the axle seat and having a post component extending from the hollow interior portion through the second clamp, the second clamp being configured to rotate about an axis coincident with the post, and the second clamp and the post component being configured to rotate about an axis coincident with the axle. 24. The clamping device of claim 23, comprising a tightening component associated with the second clamp configured such that the act of tightening the tightening component locks the second clamp as well as the rotation about the post axis and rotation about the axle. 25. The clamping device of claim 23, comprising a base component disposed between the first and second clamps. 26. The clamping device of claim 25, wherein the first jaw has a convex surface with splines thereon, the splines interdigitating with opposing splines on the base component. 27. The clamping device of claim 23, wherein at least one of the first and second clamps are configured to hold more than one external fixation element. 28. The clamping device of claim 23, wherein the first and second jaws are combined one-piece jaws connected via a flexible portion that allows the first and second jaws to flex to receive and clamp onto the fixation element. 29. A clamping device for an external fixation system comprising: a first clamp comprising a first jaw and a second jaw, the first and second jaws cooperating to capture a fixation element, one of the first and second jaws having a hollow interior portion comprising an axle seat;a second clamp comprising a third jaw and a fourth jaw, the third and fourth jaws cooperating to capture a fixation element;a swivel element having an axle disposed in the hollow interior portion on the axle seat and having a post component extending from the hollow interior portion through the second clamp, the second clamp being configured to rotate about an axis coincident with the post, and the second clamp and the post component being configured to rotate about an axis coincident with the axle;a first base component disposed between the first and second clamps; anda second base component having one of a concave and a convex surface, the third jaw having the other of the concave and convex surface and a receiving area forming a bearing surface allowing the second clamp to rotate about an axis transverse to the post axis. 30. The clamping device of claim 29, where the third jaw comprise splines and the second base component comprises splines that interdigitate with the splines on the third jaw. 31. The clamping device of claim 29, where the second base component comprises radial splines that interdigitate with radial splines on the first base component. 32. The clamping device of claim 31, wherein the third and fourth jaws are combined one-piece jaws connected via a flexible portion that allows the third and fourth jaws to flex to receive and clamp onto the fixation element.
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