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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0110841 (2000-10-13) |
| 우선권정보 | FR-1999-913156 (1999-10-15) |
| 국제출원번호 | PCT/FR00/02862 (2000-10-13) |
| 국제공개번호 | WO01/28442 (2001-04-26) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 대리인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 498 인용 특허 : 1 |
The invention relates to an intervertebral implant comprising a spacer ( 2 ) in which two opposite notches ( 6 a , 6 b ) are formed suitable for receiving two respective spinus processes ( 26 a , 26 b ) of two vertebrae, each notch defining two flanges ( 8 a , 10 a , 8 b , 10 b
The invention relates to an intervertebral implant comprising a spacer ( 2 ) in which two opposite notches ( 6 a , 6 b ) are formed suitable for receiving two respective spinus processes ( 26 a , 26 b ) of two vertebrae, each notch defining two flanges ( 8 a , 10 a , 8 b , 10 b ) each having an inside wall, and the implant also having a tie ( 4 a , 4 b ) for holding said spacer on said spinus processes. Said tie is constituted by at least one strap having a portion surrounding a portion of the surface of a spinus process that is opposite from the bottom of the notch. Said implant has first fixing means ( 12 a , 12 b ) formed in at least one flange ( 8 a , 8 b ) for fixing a first end ( 18 a , 18 b ) of said strap, and self-locking second fixing means ( 14 a , 16 a , 14 b , 16 b ) formed in at least one other flange ( 10 a , 10 b ) and through which the second end ( 20 a , 20 b ) of said strap is inserted and then pulled to hold said strap ( 4 a , 4 b ) in position, thereby securing said spacer ( 2 ) to said spinus processes ( 26 a , 26 b ).
1. An intervertebral implant comprising:a spacer having two opposite notches for receiving two spinus processes of two vertebrae, each notch defining a bottom and two flanges, each having an inside wall;a tie for holding said spacer to said spinus processes, said tie being constituted by at least on
1. An intervertebral implant comprising:a spacer having two opposite notches for receiving two spinus processes of two vertebrae, each notch defining a bottom and two flanges, each having an inside wall;a tie for holding said spacer to said spinus processes, said tie being constituted by at least one strap having first and second ends and a portion surrounding a portion of a surface of a spinus process opposite from the bottom of a notch;first fixing means formed in at least one of said flanges to fix the first end of said strap; andself-locking second fixing means formed in at least another one of said flanges, the second end of said strap being inserted through said self-locking second fixing means and then pulled to hold said strap in position, thereby securing said spacer to said spinus processes. 2. An intervertebral implant according to claim 1, wherein the first fixing means comprise a slot formed through said flange, said first end of said strap being suitable for being engaged in said slot in such a manner as to form a loop whereby said first end of said strap is secured to said flange. 3. An intervertebral implant according to claim 1, wherein the self-locking second fixing means comprise a first slot and a second slot that are parallel to each other, said slots being formed through the other flange, said second slot being situated between said first slot and the bottom of the notch such that the portion of the strap which passes through the first slot and projects from said inside wall of said other flange is pressed against the portion of the strap which penetrates into the second slot, thereby enabling the end of said strap to be locked by friction. 4. An intervertebral implant according to claim 1, wherein each notch has first fixing means in one of its flanges and self-locking second fixing means formed in its other flange so as to enable two straps to be fixed, each strap being suitable for passing round a respective one of the spinus processes, whereby said spinus processes are held independently of each other. 5. An intervertebral implant according to claim 1, wherein a first flange of the first notch has first fixing means for fixing the first end of a strap;wherein the second flange of the second notch, symmetrical to the first flange of the first notch about said spacer, has self-locking second fixing means for locking the second end of said strap; andwherein said spacer also includes guide means formed in said spacer to guide said strap in line with the second flange of the first notch and the first flange of the second notch whereby said spinus processes are tightened simultaneously. 6. An intervertebral implant according to claim 5, wherein the guide means comprise a slot formed through the second flange of the first notch and a slot formed through the first flange of the second notch. 7. An intervertebral implant according to claim 5, wherein the guide means comprise a rectilinear groove formed in the outside wall of said spacer in line with the second flange of the first notch and with the first flange of the second notch, and in which said strap is suitable for sliding. 8. An intervertebral implant comprising:a spacer having two opposite notches for receiving two spinus processes of two vertebrae, each notch defining a bottom and two flanges, each flange having an inside wall;a tie for holding said spacer to said spinus processes, said tie including at least one strap having first and second ends and a portion surrounding a portion of a surface of a spinus process opposite from the bottom of a notch;first fixing means formed in at least one of said flanges to fix the first end of said strap; andself-locking second fixing means comprising a first slot and a second slot, said slots being formed through another one of said flanges, and said second slot being situated between said first slot and the bottom of the notch, the second end of said strap being inserted through said first and second slots and then pulled, so that the second end of said stay is locked by friction, thereby securing the spacer to said spinus processes. 9. An intervertebral implant according to claim 8, wherein the first fixing means comprise a slot formed through said at least one of said flanges, said first end of said strap being suitable for being engaged in said slot in such a manner as to form a loop whereby said first end of said strap is secured to said at least one of said flanges. 10. An intervertebral implant according to claim 8, wherein the first slot and the second slot of said self-locking second fixing means are parallel to each other, and wherein a portion of the strap which passes through the first slot and projects from said inside wall of said at least another one of said flanges, is pressed against another portion of the strap which penetrates into the second slot, thereby enabling the end of said strap to be locked by friction. 11. An intervertebral implant according to claim 8, wherein each notch has fist fixing means in one of its flanges and self-locking second fixing means formed in its other flange so as to enable two straps to be fixed, each strap being suitable for passing round a respective one of the spinus processes, whereby said spinus processes are held independently of each other. 12. An intervertebral implant according to claim 8, wherein a first flange of a first notch has first fixing mans for fixing the first end of a strap;wherein a second flange of a second notch, symmetrical to the first flange of the first notch in relation to said spacer, has self-locking second fixing means for locking the second end of said strap; andwherein said spacer includes guide means formed in said spacer to guide said strap in line with a second flange of the first notch and a first flange of the second notch whereby said spinus processes are tightened simultaneously. 13. An intervertebral implant according to claim 12, wherein the guide means comprise a slot formed through the second flange of the first notch and a slot formed through the first flange of the second notch. 14. An intervertebral implant according to claim 12, wherein the guide means comprise a rectilinear groove formed in the outside wall of said spacer in line with the second flange of the first notch and with the first flange of the second notch, and in which said strap is suitable for sliding. 15. An intervertebral implant comprising:a spacer having two opposite notches for receiving two spinus processes of two vertebrae, each notch defining a bottom and two flanges, each flange having an inside wall;a tie for holding said spacer to said spinus processes, said tie including at least one strap having first and second ends and a portion surrounding a portion of a surface of a spinus process opposite from the bottom of a notch;first fixing means formed in at least one of said flanges to fix the first end of said strap; andself-locking second fixing means comprising a first slot and a second slot that are parallel to each other, said slots being formed through at least another one of said flanges, and said second slot being situated between said first slot and the bottom of the notch such that a portion of the strap which passes through the first slot and projects from said inside wall of said another one of said flanges is pressed against a portion of the strap which penetrates into the second slot, thereby enabling the end of said strap to be locked by friction and securing said spacer to said spinus processes. 16. An intervertebral implant according to claim 15, wherein the first fixing means comprise a slot formed through said at least one of said flanges, said first end of said strap being suitable for being engaged in said slot in such a manner as to form a loop whereby said first end of said strap is secured to said at least one of said flanges. 17. An intervertebral implant according to claim 15, wherein each notch has first fixing means in one of its flanges and self-locking second fixing means formed in its other flange so as to enable two straps to be fixed, each strap being suitable for passing round a respective one of the spinus processes, whereby said spinus processes are held independently of each other. 18. An intervertebral implant according to claim 15, wherein a first flange of a first notch has first fixing means for fixing the first end of a strap;wherein a second flange of a second notch, symmetrical to the first flange of the first notch in relation to said spacer, has self-locking second fixing means for locking the second end of said strap; andguide means are formed in said spacer to guide side strap in line with a second flange of the first notch and a first flange of the second notch whereby said spinus processes are tightened simultaneously. 19. An intervertebral implant according to claim 18, wherein the guide means comprise a slot formed through the second flange of the first notch and a slot formed through the first flange of the second notch. 20. An intervertebral implant according to claim 18, wherein the guide means comprise a rectilinear groove formed in the outside wall of said spacer in line with the second flange of the first notch and with the first flange of the second notch, and in which said strap is suitable for sliding.
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