JP4005613B2 - 無ねじ脊椎融合移植片 - Google Patents
無ねじ脊椎融合移植片 Download PDFInfo
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- JP4005613B2 JP4005613B2 JP2005296242A JP2005296242A JP4005613B2 JP 4005613 B2 JP4005613 B2 JP 4005613B2 JP 2005296242 A JP2005296242 A JP 2005296242A JP 2005296242 A JP2005296242 A JP 2005296242A JP 4005613 B2 JP4005613 B2 JP 4005613B2
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- Prior art keywords
- implant
- spinal fusion
- bone
- graft
- adjacent
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- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
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Description
1.本発明の脊椎融合移植片は少なくとも部分的に截頭円錐形を有するので、その先導縁部から後端へのテーパが融合すべき椎骨部分へ挿入することを容易にし且つ完全に挿入することを可能にする。
2.本発明の移植片の形状は移植片で置換すべき椎間板(椎間板の前端は後端よりも通常高い)に一致する形状を有するので、正常な前弯を可能にする。本発明の移植片は後部よりも前部の方が同様に高い。
3.本発明の移植片は、それを受け入れるように融合の現場で容易に作製出来る受部の幾何学的形状に一致する。
本発明の目的は、椎骨に容易に挿入出来るように、テーパ付き先導端(前端)を有する脊椎融合移植片を提供することである。
以上により本発明を好ましい実施例に関連して説明したが、本発明の範囲内で他の変形例が可能なことは明らかであろう。
222 台部
222” 円筒形の本体
223’ テーパ部
224、224’、224” 挿入端
226、226’、226” 後端
234 スロット
236 ねじ孔
238 外表面
240、240’、240” 鋸歯状部
242 骨係止縁部
244 傾斜部
250 孔
260 凹所
270、272 側面
320a,320b 移植片
322 本体
324 挿入端
326 後端
338 外表面
339 間隙部
340 側面
350 海綿状材料
352 間隙部
420 移植片
424 挿入端
426 後端
438 表面
440 柱状体
442 凹所
444 頭部
446 底
448 入口
Claims (9)
- 人の脊椎の隣接した椎骨の間の外科的に補正された高さの円板空間に横から挿入される無ねじ脊椎融合移植片において、前記移植片は、移植されたときに前記隣接した椎骨に接触して両椎骨の相対屈曲を維持できるに充分な大きさを有するほぼ截頭円錐形の部分を有する本体を含み、前記本体は、挿入端と、後端と、前記隣接した椎骨に前記移植片を係止させる骨係止手段を含み、前記骨係止手段はほぼ円筒形状をなしている、人体適合性の材料から製作されている脊椎融合移植片。
- 前記骨係止手段は、前記隣接した椎骨に係止するため及び前記移植片を所定位置に保持するための複数の表面粗化部である請求項1の脊椎融合移植片。
- 前記表面粗化部は少なくとも1つのぎざぎざ、複数個の柱状体、又は複数個の鋸歯状部である請求項2の脊椎融合移植片。
- 前記骨係止手段は前記移植片の前記円板状空間への挿入を容易にするためのテーパ部を前記挿入端に隣接して有する請求項1〜3のいずれかの脊椎融合移植片。
- 前記本体は内室を有する請求項1〜4のいずれかの脊椎融合移植片。
- 前記本体は前記移植片の縦軸線に平行な平面を形成する少なくとも1つの截頭平面を有する請求項1〜5のいずれかの脊椎融合移植片。
- 前記移植片は少なくとも部分的に生体吸収性である請求項1〜6のいずれかの脊椎融合移植片。
- さらに融合促進物質と組み合わせた請求項1〜7のいずれかの脊椎融合移植片。
- 融合促進物質は少なくとも骨、骨形成タンパク質、ヒドロキシアパタイト、ヒドロキシアパタイト化合物、骨生成蛋白質及び骨形態形成蛋白質より選択される請求項8の脊椎融合移植片。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/484,928 US6923810B1 (en) | 1988-06-13 | 1995-06-07 | Frusto-conical interbody spinal fusion implants |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50115197A Division JP4011616B2 (ja) | 1995-06-07 | 1996-06-06 | 截頭円錐形脊椎融合移植片 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006061708A JP2006061708A (ja) | 2006-03-09 |
JP4005613B2 true JP4005613B2 (ja) | 2007-11-07 |
Family
ID=23926224
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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JP50115197A Expired - Lifetime JP4011616B2 (ja) | 1995-06-07 | 1996-06-06 | 截頭円錐形脊椎融合移植片 |
JP2005296242A Expired - Fee Related JP4005613B2 (ja) | 1995-06-07 | 2005-10-11 | 無ねじ脊椎融合移植片 |
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JP50115197A Expired - Lifetime JP4011616B2 (ja) | 1995-06-07 | 1996-06-06 | 截頭円錐形脊椎融合移植片 |
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US (5) | US6923810B1 (ja) |
EP (2) | EP1442732B1 (ja) |
JP (2) | JP4011616B2 (ja) |
KR (1) | KR19990022610A (ja) |
CN (1) | CN1149059C (ja) |
AT (2) | ATE274889T1 (ja) |
AU (1) | AU6036096A (ja) |
CA (1) | CA2224249C (ja) |
DE (3) | DE29623360U1 (ja) |
ES (1) | ES2293113T3 (ja) |
WO (1) | WO1996040019A1 (ja) |
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1995
- 1995-06-07 US US08/484,928 patent/US6923810B1/en not_active Expired - Lifetime
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- 1996-06-06 KR KR1019970709091A patent/KR19990022610A/ko not_active Application Discontinuation
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- 1996-06-06 DE DE29623360U patent/DE29623360U1/de not_active Expired - Lifetime
- 1996-06-06 JP JP50115197A patent/JP4011616B2/ja not_active Expired - Lifetime
- 1996-06-06 AU AU60360/96A patent/AU6036096A/en not_active Abandoned
- 1996-06-06 CN CNB961955848A patent/CN1149059C/zh not_active Expired - Fee Related
- 1996-06-06 DE DE69633287T patent/DE69633287T2/de not_active Expired - Lifetime
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Also Published As
Publication number | Publication date |
---|---|
EP0836457A1 (en) | 1998-04-22 |
JPH11506656A (ja) | 1999-06-15 |
DE29623360U1 (de) | 1998-03-19 |
US20050165399A1 (en) | 2005-07-28 |
ATE274889T1 (de) | 2004-09-15 |
JP4011616B2 (ja) | 2007-11-21 |
DE69633287D1 (de) | 2004-10-07 |
EP1442732A1 (en) | 2004-08-04 |
AU6036096A (en) | 1996-12-30 |
DE69637271D1 (de) | 2007-11-08 |
WO1996040019A1 (en) | 1996-12-19 |
US20050165489A1 (en) | 2005-07-28 |
CN1149059C (zh) | 2004-05-12 |
CA2224249C (en) | 2007-11-27 |
US7691148B2 (en) | 2010-04-06 |
US7942933B2 (en) | 2011-05-17 |
US6923810B1 (en) | 2005-08-02 |
ES2293113T3 (es) | 2008-03-16 |
CN1190881A (zh) | 1998-08-19 |
KR19990022610A (ko) | 1999-03-25 |
US20100217394A1 (en) | 2010-08-26 |
US8409292B2 (en) | 2013-04-02 |
EP0836457B1 (en) | 2004-09-01 |
EP0836457A4 (en) | 1999-09-15 |
DE69637271T2 (de) | 2008-01-24 |
DE69633287T2 (de) | 2005-01-13 |
CA2224249A1 (en) | 1996-12-19 |
EP1442732B1 (en) | 2007-09-26 |
JP2006061708A (ja) | 2006-03-09 |
US20110224795A1 (en) | 2011-09-15 |
ATE373999T1 (de) | 2007-10-15 |
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