JP4430360B2 - 椎骨または椎間板のための空間保持器 - Google Patents
椎骨または椎間板のための空間保持器 Download PDFInfo
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- A61F2/02—Prostheses implantable into the body
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- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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Description
この発明のさらなる展開例は従属請求項において特徴付けられる。
傾斜する平坦な細片106および107の網目が形成される。上部端縁108および下部端縁109は、それぞれ、縦軸2に対し垂直な面に延在する。
、特に鋼またはチタンでできている。図4に示される実施例におけるコアは、生体適合性のある高分子ポリエチレン合成材料から形成される。2つのリング80および80′は生体適合性のある弾性合成材料、たとえば医用級のシリコンゴムから形成される。図5および図6に示される実施例では、弾性中間層29またはリング48もまた、生体適合性のある弾性合成材料、たとえば医用級のシリコンゴムでできている。管状部分100は、好ましくは、チタンまたは他の何らかの生体適合性材料から形成される。
分だけ、スリーブと上部プレートとの間またはスリーブと基部プレートとの間で回転が起こり得る。このようにして、予め定められた角度に回転を制限する。
接続スリーブ、34 ねじ、34′ ねじ、35 カバープレート、35′ カバープレート、43 コア、48 リング、48 平凸レンズ形体、48′ 平凸レンズ形体、49 弾性リング、50 環状の窪み、50′ 環状の窪み、57 表面、71 基部プレート、71′ 基部プレート、72 上部プレート、73 円筒部分、74 凸状接触面、75 平坦な端縁、76 外面、77 凹状の窪み、78 端縁区域、79 環状の窪み、80 リング、80′ リング、81 凹状接触面、83 コア、91 基部プレート、92 窪み、100 管状部分、100′ 管状部分、101 要素、101′ 管状要素、102 上部プレート、103 歯、104 歯、105 菱形の窪み、106 平坦な細片、107 平坦な細片、108 上部端縁、109 下部端縁。
Claims (17)
- 椎骨または椎間板のための空間保持器であって、前記空間保持器のそれぞれの端部上に管状部分(100)と歯(103、104)とを備え、
前記部分の1つの端部に要素(101)を備え、この要素(101)は、前記部分の縦軸に対してある角度に傾斜可能な上部プレート(102)を有することにより、前記空間保持器とそれに隣接する椎体との間に可動な接続を提供し、
前記要素は、上部プレート(72)に対向する基部プレート(71)を有し、前記基部プレートは、前記管状部分に接続され、前記上部プレートは前記歯を有することを特徴とする、空間保持器。 - 前記プレートのうち1つは、他のプレートに面する側に凹状接触面(77)を有し、前記他のプレートは隣り合う凸状接触面(74)を有することを特徴とする、請求項1に記載の空間保持器。
- 前記接触面のうち1つを囲む溝を備え、ここに、反対側の接触面と接触する弾性リングが埋込まれることを特徴とする、請求項2に記載の空間保持器。
- 反対側の接触面をも囲む溝を備え、ここに前記リングが係合することを特徴とする、請求項3に記載の空間保持器。
- 要素(101′)は、介在するコア(83)を有し、前記プレートのうち少なくとも1つは、前記コアに面する側に第1の凹状接触面(77、81)を有し、前記コアは少なくとも1つの隣り合う第1の凸状接触面を有することを特徴とする、請求項1に記載の空間保持器。
- 前記接触面のうち1つを囲む溝を備え、ここに、反対側の接触面と接触する弾性のある第1のリングが埋込まれることを特徴とする、請求項5に記載の空間保持器。
- 反対側の接触面を同様に囲む溝を備え、ここに前記第1のリングが係合することを特徴
とする、請求項6に記載の空間保持器。 - 第2の接触面のうち1つを同様に囲む溝を備え、ここに、反対側の接触面と接触する弾性のある第2のリングが埋込まれることを特徴とする、請求項6または7に記載の空間保持器。
- 前記第2のリングと接触する反対側の接触面をも囲む、対応する溝を備えることを特徴とする、請求項8に記載の空間保持器。
- 前記要素は、接触するコア(23)を有し、前記基部プレートと反対側に凸面を有し、前記上部プレートは、前記コアに面する側面に、凹状に構成される部分(26)を有し、前記コアは、前記基部プレートに面する弾性層(29)と、凸状部分を含む滑り面とを含むことを特徴とする、請求項1に記載の空間保持器。
- 前記基部プレートはまた凹状部分を有し、前記弾性層と隣り合う前記コアは、前記凹状部分と係合している凸状の滑り面を含むことを特徴とする、請求項10に記載の空間保持器。
- 前記コアは両凸状に構成され、その中心部に弾性中間層を有することを特徴とする、請求項11に記載の空間保持器。
- 前記基部プレートから前記上部プレートに延在する中心軸に沿った心棒が、前記中心軸を中心とした、前記基部プレートと前記上部プレートとの間の相対運動を制限するよう備えられることを特徴とする、請求項10から12のいずれかに記載の空間保持器。
- 各々の場合、前記基部プレートまたは前記上部プレートの接触面が凸状に構成され、前記コアの接触面が凹状に構成されることを特徴とする、請求項1から13のいずれかに記載の空間保持器。
- 請求項2から14のいずれかに従った要素(101′)を、また、管状部分(100′)の他方端部にも備えることを特徴とする、請求項1から14のいずれかに記載の空間保持器。
- 前記管状部分は、その表面にわたって分散して配置された複数の開口部または窪みを有することを特徴とする、請求項1から15のいずれかに記載の空間保持器。
- 前記窪みは、円周方向に互いに隣接する複数の菱形の窪みを含むことを特徴とする、請求項16に記載の空間保持器。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10242331A DE10242331B4 (de) | 2002-09-12 | 2002-09-12 | Platzhalter für Wirbelkörper oder Bandscheiben |
Publications (2)
Publication Number | Publication Date |
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JP2004097824A JP2004097824A (ja) | 2004-04-02 |
JP4430360B2 true JP4430360B2 (ja) | 2010-03-10 |
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JP2003318697A Expired - Fee Related JP4430360B2 (ja) | 2002-09-12 | 2003-09-10 | 椎骨または椎間板のための空間保持器 |
Country Status (5)
Country | Link |
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US (2) | US7828846B2 (ja) |
EP (1) | EP1398008B1 (ja) |
JP (1) | JP4430360B2 (ja) |
KR (1) | KR101084654B1 (ja) |
DE (2) | DE10242331B4 (ja) |
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-
2002
- 2002-09-12 DE DE10242331A patent/DE10242331B4/de not_active Expired - Fee Related
-
2003
- 2003-07-31 DE DE50313361T patent/DE50313361D1/de not_active Expired - Lifetime
- 2003-07-31 EP EP03017383A patent/EP1398008B1/de not_active Expired - Lifetime
- 2003-09-03 KR KR1020030061342A patent/KR101084654B1/ko not_active IP Right Cessation
- 2003-09-10 JP JP2003318697A patent/JP4430360B2/ja not_active Expired - Fee Related
- 2003-09-11 US US10/660,453 patent/US7828846B2/en not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
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KR20040024465A (ko) | 2004-03-20 |
EP1398008A1 (de) | 2004-03-17 |
US8613768B2 (en) | 2013-12-24 |
JP2004097824A (ja) | 2004-04-02 |
US20110040385A1 (en) | 2011-02-17 |
DE10242331A1 (de) | 2004-04-01 |
US7828846B2 (en) | 2010-11-09 |
US20050004572A1 (en) | 2005-01-06 |
DE50313361D1 (de) | 2011-02-10 |
DE10242331B4 (de) | 2005-10-20 |
KR101084654B1 (ko) | 2011-11-22 |
EP1398008B1 (de) | 2010-12-29 |
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