JP4156924B2 - 関節の再建のためのインプラント - Google Patents
関節の再建のためのインプラント Download PDFInfo
- Publication number
- JP4156924B2 JP4156924B2 JP2002555730A JP2002555730A JP4156924B2 JP 4156924 B2 JP4156924 B2 JP 4156924B2 JP 2002555730 A JP2002555730 A JP 2002555730A JP 2002555730 A JP2002555730 A JP 2002555730A JP 4156924 B2 JP4156924 B2 JP 4156924B2
- Authority
- JP
- Japan
- Prior art keywords
- joint
- implant
- implant according
- spacer member
- bone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
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Description
本発明は関節、好ましくは手及び足の関節の再建のためのインプラントであって、少なくとも一つのスペーサー部材が連結される骨(複数)の端部間に置かれることを意図しており、このスペーサー部材の一端が前記骨端部の一つに対して関節表面を形成するように設計されており、関節安定化連結材が前記骨(複数)を連結するように配置されており、スペーサー部材が少なくとも一つの組織適合性材料から作られており、スペーサー部材の材料が全体的または部分的に多孔性であり、スペーサー部材及び関節安定化連結材が分解性材料から作られているインプラントに関する。
手及び足の関節(例えば親指の手根中手骨関節)の一次摩耗、関節症は特に中年女性のありふれた状態である。調査は全女性の約12%及び50代の男性の8%が親指のつけ根に痛みを訴えていることを示す。足の親指の摩耗、強直母趾の発生は恐らくいっそう大きい。これらの状態は休息時でも痛みを発生し、また負荷関連痛みも発生し、それらは動きやすさを減少する。手においては、これは種々の形式の握りに痛みを導き、それにより把握力を減らす。
図1はこの発明によるインプラントの第一例示的実施例の透視概略図を示す。
図2は二つの骨間の関節に配置された図1によるインプラントを通した断面を示す。
図3は図2の線III−IIIに沿った部分を示す。
図4は図2に比べて変更された方式の、二つの骨間の関節に配置された図1によるインプラントの断面を示す。
図5は手と手首の骨の透視図を示す。
図6は親指のつけ根の関節に配置された図1によるインプラントを持つ、図5に示された手の一部を示す。
図7は二つの骨間の関節に配置されたこの発明によるインプラントの第二例示的実施例を示す。
図8は図7によるインプラントと骨の側面図を示す。
図9は図7による実施例に関してわずかに変更された第三例示的実施例によるインプラントを持つ図7に似た図を示す。
図10は図9によるインプラントと骨の側面図を示す。
図11は二つの骨間の関節に配置されたこの発明によるインプラントの第四例示的実施例を示す。
図12は図11による例示的実施例の側面図を示す。
図13と14は図7−12の例示的実施例によるインプラントに含まれるスペーサー体の二つの型を示し、それらは関節に関節ヘッドを形成することを意図している。
図15と16は図9と10の例示的実施例によるインプラントに含まれるスペーサー体の二つの型を示し、それらは関節に関節ソケットを形成することを意図している。
図17と18は第五実施例によるインプラントのスペーサー部材の構造を示す。
図19と20は第六実施例によるインプラントのスペーサー部材の構造を示す。
図21と22は第七実施例によるインプラントのスペーサー部材の構造を示す。
Claims (20)
- 関節、好ましくは手及び足の関節の再建のためのインプラントであって、
少なくとも一つのスペーサー部材(1)が連結される骨(複数)の端部間に置かれることを意図しており、このスペーサー部材の一端が前記骨端部(6,7)の一つに対して関節表面を形成するように設計されており、関節安定化連結材(2,3)が前記骨(複数)を連結するように配置されており、スペーサー部材(1)が少なくとも一つの組織適合性材料から作られており、スペーサー部材(1)の材料が全体的または部分的に多孔性であり、スペーサー部材(1)及び関節安定化連結材が分解性材料から作られているインプラントにおいて、
関節安定化連結材(2,3)が、インプラントの使用時に、関節を横切って縦方向にかつ関節により連結される二つの骨(4,5)の一つの側面の上に延びることを意図していること、
関節安定化連結材がスペーサー部材(1)とワンピースで作られていること、及び
インプラントがその全体の断面で主としてTの形を持ち、そこでその幹縦線が前記スペーサー部材(1)であること
を特徴とするインプラント。 - 分解性材料がポリウレタン尿素からなることを特徴とする請求項1に記載のインプラント。
- 分解性材料がポリ−L−ラクチドからなることを特徴とする請求項1に記載のインプラント。
- 分解性材料がポリダイアキソン(PDS)からなることを特徴とする請求項1に記載のインプラント。
- 分解性材料がポリ−β−ヒドロキシブチレート(PHB)からなることを特徴とする請求項1に記載のインプラント。
- 分解性材料がキチンまたはキトサンまたは多糖からなることを特徴とする請求項1に記載のインプラント。
- 分解性材料がコラーゲンまたはタンパク質からなることを特徴とする請求項1に記載のインプラント。
- 縫糸または他の固定部材がインプラントと一体化されていることを特徴とする請求項1に記載のインプラント。
- 三次元Tの全ての隅部が丸くなっていることを特徴とする請求項1に記載のインプラント。
- インプラントが一体化された固定手段または関節安定化連結材を持つ板として形成されていることを特徴とする請求項1に記載のインプラント。
- インプラントが一体化された関節安定化連結材を持つ主としてスポンジの形をしていることを特徴とする請求項1に記載のインプラント。
- インプラントが圧力に曝されたとき一体化された関節安定化機能により解剖学的形状を取るように配置されていることを特徴とする請求項1から11のいずれかに記載のインプラント。
- スペーサー部材(1)が前記関節表面としての役目をすることを意図しているフィルム状素子を含むことを特徴とする請求項1から12のいずれかに記載のインプラント。
- スペーサー部材(1)が発泡体、繊維または糸の形の分解性かつ組織適合性材料を含み、この材料が希望の三次元構造を与えるように注型され、編まれまたは織られまたは何らかの他の方法で形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インプラント。
- 前記スペーサー部材を構成する注型された、編まれた、織られたまたはそうでなく形成された構造が構造の残りと同じ材料のまたは別の分解性組織適合性材料の強化糸を含むことを特徴とする請求項14に記載のインプラント。
- 前記強化糸が構造にそれを錠止することなく充分な安定性を与えることを意図している補強骨格を形成するように設計されていることを特徴とする請求項14に記載のインプラント。
- 前記強化糸がある規定された方向に配置されていることを特徴とする請求項15または16に記載のインプラント。
- 前記補強骨格が構造の残りを取り巻く外殻からなることを特徴とする請求項16または17に記載のインプラント。
- 補強骨格が、前記外殻に加えて、一つまたはそれより多い規定された方向の強化糸を含むことを特徴とする請求項18に記載のインプラント。
- 前記関節安定化連結材(2,3,16)が関節の脱臼を防ぐように設計されていることを特徴とする請求項1から19のいずれかに記載のインプラント。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0100127A SE525131C2 (sv) | 2001-01-15 | 2001-01-15 | Implantat för rekonstruktion av leder |
PCT/SE2002/000038 WO2002054992A1 (en) | 2001-01-15 | 2002-01-11 | Implant for reconstruction of joints |
Publications (2)
Publication Number | Publication Date |
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JP2004527274A JP2004527274A (ja) | 2004-09-09 |
JP4156924B2 true JP4156924B2 (ja) | 2008-09-24 |
Family
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JP2002555730A Expired - Fee Related JP4156924B2 (ja) | 2001-01-15 | 2002-01-11 | 関節の再建のためのインプラント |
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US (2) | US7037342B2 (ja) |
EP (1) | EP1351630B1 (ja) |
JP (1) | JP4156924B2 (ja) |
CN (1) | CN1248662C (ja) |
AR (1) | AR032791A1 (ja) |
AT (1) | ATE321508T1 (ja) |
AU (1) | AU2002217737B2 (ja) |
DE (1) | DE60210271T2 (ja) |
DK (1) | DK1351630T3 (ja) |
ES (1) | ES2261668T3 (ja) |
PT (1) | PT1351630E (ja) |
SE (1) | SE525131C2 (ja) |
WO (1) | WO2002054992A1 (ja) |
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-
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- 2001-01-15 SE SE0100127A patent/SE525131C2/sv not_active IP Right Cessation
-
2002
- 2002-01-04 AR ARP020100032A patent/AR032791A1/es unknown
- 2002-01-11 PT PT02729613T patent/PT1351630E/pt unknown
- 2002-01-11 AT AT02729613T patent/ATE321508T1/de not_active IP Right Cessation
- 2002-01-11 US US10/250,310 patent/US7037342B2/en not_active Expired - Fee Related
- 2002-01-11 ES ES02729613T patent/ES2261668T3/es not_active Expired - Lifetime
- 2002-01-11 JP JP2002555730A patent/JP4156924B2/ja not_active Expired - Fee Related
- 2002-01-11 AU AU2002217737A patent/AU2002217737B2/en not_active Ceased
- 2002-01-11 DE DE60210271T patent/DE60210271T2/de not_active Expired - Lifetime
- 2002-01-11 EP EP02729613A patent/EP1351630B1/en not_active Expired - Lifetime
- 2002-01-11 CN CNB028037065A patent/CN1248662C/zh not_active Expired - Fee Related
- 2002-01-11 WO PCT/SE2002/000038 patent/WO2002054992A1/en active IP Right Grant
- 2002-01-11 DK DK02729613T patent/DK1351630T3/da active
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Also Published As
Publication number | Publication date |
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SE0100127L (sv) | 2002-07-16 |
SE525131C2 (sv) | 2004-12-07 |
ES2261668T3 (es) | 2006-11-16 |
PT1351630E (pt) | 2006-07-31 |
JP2004527274A (ja) | 2004-09-09 |
AR032791A1 (es) | 2003-11-26 |
CN1248662C (zh) | 2006-04-05 |
DK1351630T3 (da) | 2006-07-24 |
US7037342B2 (en) | 2006-05-02 |
EP1351630B1 (en) | 2006-03-29 |
AU2002217737B2 (en) | 2006-09-21 |
CN1486166A (zh) | 2004-03-31 |
WO2002054992A1 (en) | 2002-07-18 |
US20040093081A1 (en) | 2004-05-13 |
DE60210271D1 (de) | 2006-05-18 |
SE0100127D0 (sv) | 2001-01-15 |
EP1351630A1 (en) | 2003-10-15 |
US20060149261A1 (en) | 2006-07-06 |
DE60210271T2 (de) | 2006-12-28 |
ATE321508T1 (de) | 2006-04-15 |
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