IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0702258
(2007-02-05)
|
등록번호 |
US-8403929
(2013-03-26)
|
우선권정보 |
DE-10 2004 038 823 (2004-08-04) |
발명자
/ 주소 |
- Weisshaupt, Dieter
- Steinhilper, Klaus-Dieter
- Lerch, Karl-Dieter
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
20 인용 특허 :
34 |
초록
▼
To provide an implant for securing neighboring bone plates, especially neighboring cranial bone plates, wherein the bone plates each have an inner face and an outer face, comprising an inner contact element that is adapted to rest on the inner faces of the neighboring bone plates, an outer contact e
To provide an implant for securing neighboring bone plates, especially neighboring cranial bone plates, wherein the bone plates each have an inner face and an outer face, comprising an inner contact element that is adapted to rest on the inner faces of the neighboring bone plates, an outer contact element that is adapted to rest on the outer faces of the neighboring bone plates, and an in a linear manner flexible tensioning element for connecting the inner contact element and the outer contact element in such a manner that they can no longer be separated from one another, with improved properties, the outer contact element comprises at least one recess for at least partially accommodating a connection region between free strands of the tensioning element or for feeding the connection region through into a separation gap between the neighboring bone plates.
대표청구항
▼
1. An implant for securing neighboring bone plates, especially neighboring cranial bone plates, wherein the bone plates each have an inner face and an outer face, comprising: an inner contact element that is adapted to rest on the inner faces of the neighboring bone plates; an outer contact element
1. An implant for securing neighboring bone plates, especially neighboring cranial bone plates, wherein the bone plates each have an inner face and an outer face, comprising: an inner contact element that is adapted to rest on the inner faces of the neighboring bone plates; an outer contact element that is adapted to rest on the outer faces of the neighboring bone plates; and an in a linear manner flexible tensioning element for connecting the inner contact element and the outer contact element in such a manner that they can no longer be separated from one another; wherein the outer contact element comprises at least two spaced feed-through recesses for the tensioning element;wherein the outer contact element comprises at least one recess extending completely through the outer contact element for at least partially accommodating a connection region between free strands of the tensioning element or for feeding the connection region through into a separation gap between the neighboring bone plates;wherein the at least one recess is formed in such a manner that the connection region is positioned at least partially below an outer surface of the outer contact element when the bone plates are secured;wherein the at least one recess for the connection region forms one of the feed-through recesses;wherein the at least one recess for the connection region has a larger width than the other feed-through recess or recesses;wherein the connection region is formed by means of a knot; andwherein the knot is in the form of a slip knot. 2. An implant in accordance with claim 1, wherein the connection region is formed by means of a prefabricated slip knot. 3. An implant in accordance with claim 1, wherein the free strands are those regions of the tensioning element which emanate from the outer contact element. 4. An implant in accordance with claim 1, wherein the at least one recess constitutes a through hole. 5. An implant in accordance with claim 1, wherein the at least one recess comprises a seating area for the connection region. 6. An implant in accordance with claim 5, wherein a base is associated with the at least one recess. 7. An implant in accordance with claim 1, wherein the inner contact element comprises at least two spaced feed-through recesses for the tensioning element. 8. An implant in accordance with claim 7, wherein the tensioning element rests on a surface of the inner contact element between the feed-through recesses. 9. An implant in accordance with claim 1, wherein the tensioning element is guided on the inner contact element and the outer contact element in such a way that a pulley-block system is formed. 10. An implant in accordance with claim 1, wherein the inner contact element comprises a first pair of spaced feed-through recesses between which the tensioning element rests on the inner contact element in a first placement region, the inner contact element comprises a second pair of neighboring feed-through recesses for the tensioning element between which the tensioning element rests on the inner contact element in a second placement region, the outer contact element comprises a first pair of neighboring feed-through recesses for the tensioning element between which the tensioning element rests on the outer contact element in a third placement region, and the outer contact element comprises a second pair of spaced feed-through recesses through which the free strands of the tensioning element are fed. 11. An implant in accordance with claim 10, wherein the first pair of feed-through recesses in the outer contact element is arranged between the feed-through recesses of the second pair. 12. An implant in accordance with claim 10, wherein the feed-through recesses of the inner contact element are arranged in a line. 13. An implant in accordance with claim 10, wherein the feed-through recesses of the outer contact element are arranged in a line. 14. An implant in accordance with claim 10, wherein the feed-through recesses of the first pair in the outer contact element and the neighboring feed-through recesses of the first pair and the second pair in the inner contact element are mutually matched. 15. An implant in accordance with claim 10, wherein the feed-through recesses of the second pair in the outer contact element and the non-neighboring feed-through recesses of the first pair and the second pair in the inner contact element are mutually matched. 16. An implant in accordance with claim 10, wherein the at least one recess is arranged at a feed-through recess of the second pair in the outer contact element or forms such a feed-through recess. 17. An implant in accordance with claim 10, wherein the at least one recess for the connection region is arranged such that it is displaced relative to the first pair of feed-through recesses. 18. An implant in accordance with claim 10, wherein the first placement region and the second placement region are located on a surface of the inner contact element that is remote from the outer contact element. 19. An implant in accordance with claim 10, wherein the third placement region is located on a surface of the outer contact element that is remote from the inner contact element. 20. An implant in accordance with claim 1, wherein the tensioning element is guided through the outer contact element in displaceable manner. 21. An implant in accordance with claim 1, wherein the inner contact element is displaceable towards the outer contact element when the tensioning element is tensioned. 22. An implant in accordance with claim 1, wherein the tensioning element is provided for passing through the separation gap between the bone plates. 23. An implant in accordance with claim 1, wherein at least one of the inner contact element and the outer contact element comprises at least one spacer for the bone plates which is adapted to project into the separation gap. 24. An implant in accordance with claim 23, wherein the at least one spacer lies along a line with the feed-through recesses. 25. An implant in accordance with claim 1, wherein at least one of the inner contact element and the outer contact element is curved in such a manner that an intermediary space is formed between a region of contact with a bone plate and the region incorporating the contact region. 26. An implant in accordance with claim 1, wherein at least one of the inner contact element and the outer contact element is resilient taken with reference to a connecting direction (32). 27. An implant in accordance with claim 1, wherein at least one of the inner contact element and the outer contact element comprises a gripping area at the region of contact with a bone plate. 28. An implant in accordance with claim 26, wherein the gripping area is formed in peripheral manner. 29. An implant in accordance with claim 1, wherein the tensioning element is made of a resorbable material. 30. An implant for securing neighboring bone plates, especially neighboring cranial bone plates, wherein the bone plates each have an inner face and an outer face, comprising: an inner contact element that is adapted to rest on the inner faces of the neighboring bone plates; an outer contact element that is adapted to rest on the outer faces of the neighboring bone plates; and an in a linear manner flexible tensioning element for connecting the inner contact element and the outer contact element in such a manner that they can no longer be separated from one another; wherein the outer contact element comprises at least two spaced feed-through recesses for the tensioning element; wherein the outer contact element comprises at least one recess extending completely through the outer contact element for at least partially accommodating a connection region between free strands of the tensioning element or for feeding the connection region through into a separation gap between the neighboring bone plates;wherein the at least one recess is formed in such a manner that the connection region is positioned at least partially below an outer surface of the outer contact element when the bone plates are secured;wherein the at least one recess for the connection region forms one of the feed-through recesses;wherein the at least one recess for the connection region is arranged at an outer region of the outer contact element;wherein the connection region is formed by means of a knot; andwherein the knot is in the form of a slip knot. 31. The implant of claim 30 wherein the at least one recess for the connection region is arranged in an outer region of the outer contact element where the outer contact element in strengthened. 32. An implant for securing neighboring bone plates, especially neighboring cranial bone plates, wherein the bone plates each have an inner face and an outer face, comprising: an inner contact element that is adapted to rest on the inner faces of the neighboring bone plates; an outer contact element that is adapted to rest on the outer faces of the neighboring bone plates; and an in a linear manner flexible tensioning element for connecting the inner contact element and the outer contact element in such a manner that they can no longer be separated from one another; wherein the outer contact element comprises at least one recess extending completely through the outer contact element for at least partially accommodating a connection region between free strands of the tensioning element or for feeding the connection region through into a separation gap between the neighboring bone plates;wherein the at least one recess is formed in such a manner that the connection region is insertable completely through the recess and into the separation gap and positioned below an outer surface of the outer contact element when the bone plates are secured;wherein the connection region is formed by means of a knot; andwherein the knot is in the form of a slip knot.
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