[특허]Posterior spine dynamic stabilizer

Posterior spine dynamic stabilizer 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61B-017/88 A61B-017/70 A61B-019/00
출원번호	US-0640543 (2009-12-17)
등록번호	US-8992576 (2015-03-31)
발명자 / 주소	Keyer, Tom McDivitt, Eric
출원인 / 주소	DePuy Synthes Products, LLC
대리인 / 주소	Baker & Hostetler LLP
인용정보	피인용 횟수 : 0 인용 특허 : 127

초록 ▼

A dynamic stabilization system may include an elongated spinal rod, at least two bone anchors attached to the elongated rod, and a dynamic member. One of the bone anchors allows translation of the spinal rod with respect to the bone anchor. The dynamic member comprises a body and an elastomeric element coupled to at least one side of the body. The body of the element is capable of being attached to the elongated spinal rod between the two bone anchors.

대표청구항 ▼

1. A dynamic stabilization system comprising: an elongated spinal rod having a diameter and a length along a first direction;a first and a second bone anchor each attached to the elongated spinal rod, wherein the first bone anchor is slidably attached to the spinal rod such that translational movement is permitted between the first bone anchor and the spinal rod along the first direction and the second bone anchor is attached to the spinal rod such that translational movement is not permitted between the second bone anchor and the spinal rod; anda dynamic member lockingly attached to the spinal rod and not connected to any other spinal rod or bone anchor at a position between the first and second bone anchors, comprising a body having a first and a second leg defining a body channel extending parallel to the spinal rod, a collet and an elastomeric stop member forming an end of the dynamic member located closer to the first bone anchor than the second bone anchor, the collet having a first and a second flexible leg defining therebetween a collet channel within which is located the spinal rod and a bottom opening wherein the first and second flexible legs of the collet can be adapted such that in a first position the bottom opening has a width greater than the diameter of the spinal rod and in a second position the width of the bottom opening is less than the diameter of the spinal rod. 2. The dynamic stabilization system of claim 1, wherein (i) the dynamic member further comprises a locking cap that extends through the body and into a bore defined by the collet, (ii) the bore of the collet has internal threads, (iii) the locking cap has external threads that engage the internal threads of the collet, and (iv) actuation of the locking cap tightens the collet around the spinal rod. 3. The dynamic stabilization system of claim 2, wherein the first and second legs of the body each have an inner surface that is tapered at a distal end, and each of the first and second flexible legs of the collet have an outer surface with a complementary taper to the tapered distal end of the inner surface of the first and second legs of the body. 4. The dynamic stabilization system of claim 1 wherein the dynamic member is positioned adjacent the first bone anchor such that the elastomeric stop member can limit the relative translational movement between the first bone anchor and the spinal rod in the first direction. 5. A dynamic stabilization system for stabilizing a first vertebral body with respect to a second vertebral body, comprising: a spinal rod having a diameter and a length along a first direction;a first bone anchor having a distal shaft fixedly secured to the first vertebral body and a second bone anchor having a distal shaft fixedly secured to the second vertebral body, the first bone anchor having an anchor seat attached to the spinal rod and can slide along the spinal rod such that translational movement is permitted between the first bone anchor and the spinal rod along the first direction while the anchor seat of the first bone anchor remains attached to the spinal rod, the second bone anchor having an anchor seat attached to the spinal rod such that translational movement is not permitted between the second bone anchor and the spinal rod; anda dynamic member lockingly attached to the spinal rod at a position between the first and second bone anchors, comprising a body having a first and a second leg defining a body channel extending parallel to the spinal rod, a collet and an elastomeric stop member forming an end of the dynamic member located closer to the first bone anchor than the second bone anchor, the collet having a first and a second flexible leg defining therebetween a collet channel within which is located the spinal rod and a bottom opening wherein the first and second flexible legs of the collet can be adapted such that in a first position the bottom opening has a width greater than the diameter of the spinal rod and in a second position the width of the bottom opening is less than the diameter of the spinal rod;wherein the dynamic member is not a component of any bone anchor assembly that is designed to be secured to any vertebral body and the dynamic member is not a component of a device that is designed to be attached to a second spinal rod;wherein the dynamic member is positioned on the spinal rod such that the elastomeric stop member can limit the translational movement in the first direction between the first bone anchor and the spinal rod. 6. The dynamic stabilization system of claim 5, wherein the spinal rod comprises a first portion and a second portion that is separate from and not integral with the first portion. 7. The dynamic stabilization system of claim 6, wherein (i) the first portion of the spinal rod is attached to the body of the dynamic member, and the second portion of the spinal rod is attached to the elastomeric stop member, and (ii) the elastomeric stop member is capable of flexing to thereby enable radial movement of the second portion of the spinal rod. 8. The dynamic stabilization system of claim 7, wherein the elastomeric stop member is over-molded onto the second portion of the spinal rod. 9. The dynamic stabilization system of claim 5, wherein the spinal rod has a first and a second end and the first end of the spinal rod includes a flange. 10. The dynamic stabilization system of claim 5, wherein (i) the dynamic member further comprises a locking cap that extends through the body and into a bore defined by the collet, (ii) the bore of the collet has internal threads, (iii) the locking cap has external threads that engage the internal threads of the collet, and (iv) actuation of the locking cap tightens the collet around the spinal rod. 11. The dynamic stabilization system of claim 10, wherein (i) each of the first and second legs of the body has an inner surface that is tapered at a distal end, and each of the first and second flexible legs of the collet has an outer surface with a complementary taper to the tapered distal end of the inner surface of the first and second legs of the body, and (ii) actuation of the locking cap causes the first and second legs of the body to collapse the first and second flexible legs of the collet together to clamp against the spinal rod. 12. The dynamic stabilization system of claim 5, wherein the first and second bone anchors are pedicle screws.

이 특허에 인용된 특허 (127)

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
구성항목	기본정보 상세정보 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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Posterior spine dynamic stabilizer 원문보기

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Posterior spine dynamic stabilizer 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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IPC 상위 출원인

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