JP2009195732A - 関節軟骨の欠陥を修復するための装置及び方法 - Google Patents
関節軟骨の欠陥を修復するための装置及び方法 Download PDFInfo
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Abstract
【解決手段】関節軟骨欠陥を修復するためのカプセル形成装置は、軟骨欠陥の領域55で骨に隣接して配置するためのボディ10と、該ボディから延在し、且つ、軟骨欠陥の領域で、骨内に配置するための細長い脚構成部25と、を備える。脚構成部は、ボディの厚さより大きい複数段階の長さを有し、略錐体形状を持つ。
【選択図】図10
Description
(微小骨折術及び研磨関節形成術)
図5を参照すると、関節軟骨の欠陥55が最初に微小骨折術及び研磨関節形成術により処置されることが示されている。
(万能幹細胞を用いた微小骨折術及び研磨関節形成術)
傷部内にカプセル形成装置5を配置する前に、万能幹細胞を用いて、傷部箇所に種蒔き状態を作り出すことも可能である。カプセル形成装置は、該カプセル形成装置が吸収され、再形成されるまで、傷部箇所で万能幹細胞を覆うことになる。本発明の一つの好ましい形態では、万能幹細胞は、身体の様々な領域(例えば、大腿切痕、腸骨稜、脊椎骨)から骨髄を吸い上げることにより採取され、次に、カプセル形成装置5の配置前又はこれと同時に、骨髄を傷部箇所に配置する。代替として、採取された骨髄は、万能幹細胞のより効能のあるスラリーを生成するように、種蒔き前に、フィルター処理されてもよい。
(自家細胞移植)
欠陥箇所でカプセル形成装置5を配置する前に、自家関節軟骨細胞を用いて、関節軟骨の欠陥55に種蒔きすることも可能である。カプセル形成装置は、該カプセル形成装置が吸収され、再構成されるまで、傷部箇所で自家関節軟骨細胞を覆うことになる。本発明の一つの好ましい形態では、自家関節軟骨細胞は、身体外部で採取、準備され(例えば、分離され、及び/又は、成長因子で強化され、及び/又は、増殖される)、次に、カプセル形成装置5の配置前又はこれと同時に、欠陥箇所に配置される。
(他の代替実施例)
次に図13を参照すると、本発明の代替形態を備えるカプセル形成装置5Aが示されている。カプセル形成装置5Aは、前述したカバー14というよりも、ボディ10Aがボディ10A内部の1つ以上の位置でマトリックス又はメッシュ85Aを備えている点を除いて、上述したカプセル形成装置5に類似している。1つ以上の脚部25Aがボディ10Aから延在している。マトリックス又はメッシュ85Aでボディ10Aを形成することは、例えば、微小骨折術及び研磨関節形成術の場合に、中実ボディ10を超える効果を奏することができる。それは、当該箇所に栄養物の優れた流れを提供し、当該箇所から浪費物の優れた流れを提供するか、又は、万能幹細胞を用いた微小骨折術及び研磨関節形成術の場合には、それは、欠陥箇所でカプセル形成装置を展開する前にカプセル形成装置上にそのような細胞のスラリーを配置することを可能にする。自家細胞移植の場合には、それは、移植関節軟骨細胞のスラリーを、欠陥箇所にカプセル形成装置を配置する前にカプセル形成装置上に配置することを可能にする。
Claims (20)
- 関節軟膏の欠陥の修復のためのカプセル形成装置であって、
前記軟骨欠陥の領域で骨に隣接して配置するためのボディと、
前記軟骨欠陥の領域で前記骨に配置するため前記ボディから延在する、細長い脚構成部であって、前記ボディの厚さよりも大きい複数段階の長さを有し、略錐体の形状を有する、前記脚構成部と、
を備える、カプセル形成装置。 - 前記ボディは、周辺フレーム部と、カバー部と、を備え、前記脚構成部は、前記フレーム部の末端部から延在する複数の細長い脚部を備える、請求項1に記載のカプセル形成装置。
- 前記脚構成部には、前記骨を把持するため、突部が形成されている、請求項1に記載のカプセル形成装置。
- 前記脚部の各々は、内部に中央チャンネルが形成され、該チャンネルの各々は、前記フレーム部の基端側で開放している、請求項2に記載のカプセル形成装置。
- 前記ボディは、メッシュ部を備える、請求項1に記載のカプセル形成装置。
- 前記ボディは、コラーゲンの足場を備える、請求項1に記載のカプセル形成装置。
- 前記ボディは、フレーム部と、該フレーム部に固定された骨膜のシートと、を備える、請求項1に記載のカプセル形成装置。
- 前記シートを前記フレーム部に付着させる縫合糸を更に備える、請求項7に記載のカプセル形成装置。
- 前記ボディは、カバー部の境界を形成する周辺フレームを備える、請求項1に記載のカプセル形成装置。
- 前記脚構成部は、少なくとも1つの脚を備え、該少なくとも1つの脚は、その末端部に形成され、端部が該端部の基端部で前記脚の周辺部を越えて広がり、該端部の末端部で、略尖っている、請求項1に記載のカプセル形成装置。
- 前記ボディ部は、選択された更なるボディ部を支持するためのフレームを備え、前記脚構成部は、前記フレームから末端方向に延在する複数の脚部を備える、請求項1に記載のカプセル形成装置。
- 前記ボディは、シェル部と、該シェル部に固定され、該シェル部の中央から径方向に延在する補強支柱と、を備え、前記脚構成部は、前記ボディの中央から末端方向に延在する単一脚を備える、請求項1に記載のカプセル形成装置。
- 前記脚は、挿管されている、請求項12に記載のカプセル形成装置。
- 前記ボディは、周辺フレームと、該フレームから内側に延在し、前記ボディの中央部で連結されている、支柱と、を備え、前記脚構成部は、前記ボディの中央の末端表面から末端方向に延在する単一脚を備える、請求項1に記載のカプセル形成装置。
- 前記脚は、挿管されている、請求項14に記載のカプセル形成装置。
- 前記装置は、(i)生体吸収可能材料、及び、(ii)生体再形成可能な材料のうち選択された一つから形成される、請求項1に記載のカプセル形成装置。
- 前記装置は、細胞成長材料で含浸されている、請求項1に記載のカプセル形成装置。
- 関節軟骨の欠陥を修復するためのシステムであって、
前記軟骨の領域で骨に隣接して配置するためのボディ、及び、前記軟骨の欠陥の領域で前記骨に配置するため前記ボディの末端表面から延在する細長い脚構成部を備え、且つ、該脚構成部の各々の脚は前記ボディの基端表面から延在する内部の中央開口部が形成されている、カプセル形成装置と、
ヘッド部、該ヘッド部から末端方向に延在する少なくとも1つの細長い足部、及び、前記ヘッド部から基端方向に延在するハンドル部を備え、且つ、前記骨に前記脚構成部の脚部を受け入れるような孔を形成するように構成された、先導孔形成装置と、
ヘッド部、及び、該ヘッド部の末端部から延在する少なくとも1つの細長い足部を備える挿入器具であって、該挿入器具のヘッド部の各々の細長い足部は、前記カプセル形成装置の脚の一つの前記中央開口部により受け入れられるように構成され、該挿入器具の前記ヘッド部は、前記カプセル形成装置の基端表面と係合するように構成される、前記挿入器具と、
を備え、
前記カプセル形成装置は、前記挿入器具上に取り付けられるように構成され、前記先導孔形成装置は、前記骨内に少なくとも1つの孔を形成するように構成され、前記挿入器具は、前記カプセル形成装置の末端表面を前記骨に隣接させ、且つ、前記軟骨の領域に配置するように、前記カプセル形成装置の前記脚構成部を、前記骨の少なくとも1つの孔内に移動させるように操作可能である、システム。 - 関節軟骨の欠陥を修復するため、カプセル形成装置を骨内に配置するための器具であって、
前記カプセル形成装置は、ボディ部と、該ボディ部の末端表面の中央部から末端方向に延在する、挿管脚と、を有し、
前記器具は、
前記カプセル形成装置の基端表面に略相補的に形成された末端表面を有するヘッド部と、
前記ヘッド部から基端方向に延在するハンドル部であって、前記ヘッド部及び該ハンドル部は、該ヘッド部及び該ハンドル部の軸方向に延在する骨を形成する、前記ハンドル部と、
前記骨を通って延在し、且つ、前記カプセル形成装置の脚を通って延在するように構成された、挿入スパイクであって、該スパイクの尖った末端部が前記カプセル形成装置の末端部から末端方向に延在する、前記挿入スパイクと、
を備え、
前記挿入スパイクは、前記骨内に孔を形成するように構成され、前記器具は、前記カプセル形成装置の脚を前記孔内に押し込み、該カプセル形成装置のボディを前記骨との隣接状態へと押しやるように構成されている、器具。 - 関節軟骨の欠陥を修復するための方法であって、
前記軟骨の欠陥の領域で骨に隣接して配置するためのボディと、前記軟骨の欠陥の領域で前記骨内に配置するため前記ボディから延在し且つ少なくとも1つの脚を有する細長い脚構成部と、を備える、カプセル形成装置を用意し、
前記カプセル形成装置の脚構成部の各々の脚のため、前記骨内に細長い孔を形成し、
前記カプセル形成装置の前記脚構成部の各々の脚を、該脚用に前記骨内に形成された前記孔内へと押し進め、前記カプセル形成装置の末端表面を前記骨と隣接した状態にする、各工程を備える、方法。
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- 2002-10-01 JP JP2003531880A patent/JP4330991B2/ja not_active Expired - Fee Related
- 2002-10-01 AT AT02766431T patent/ATE416682T1/de not_active IP Right Cessation
- 2002-10-01 WO PCT/US2002/031142 patent/WO2003028535A2/en active Application Filing
- 2002-10-01 DE DE60230306T patent/DE60230306D1/de not_active Expired - Lifetime
- 2002-10-01 ES ES02766431T patent/ES2318040T3/es not_active Expired - Lifetime
- 2002-10-01 AU AU2002330168A patent/AU2002330168B2/en not_active Ceased
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Also Published As
Publication number | Publication date |
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DE60230306D1 (de) | 2009-01-22 |
US6712822B2 (en) | 2004-03-30 |
CA2462256C (en) | 2010-06-01 |
US20030083665A1 (en) | 2003-05-01 |
ATE416682T1 (de) | 2008-12-15 |
US20040181232A1 (en) | 2004-09-16 |
AU2002330168B2 (en) | 2006-11-09 |
JP4964272B2 (ja) | 2012-06-27 |
WO2003028535A3 (en) | 2003-11-20 |
EP1437960B1 (en) | 2008-12-10 |
JP2005528927A (ja) | 2005-09-29 |
EP1437960A4 (en) | 2006-04-12 |
JP4330991B2 (ja) | 2009-09-16 |
US8157805B2 (en) | 2012-04-17 |
EP1437960A2 (en) | 2004-07-21 |
ES2318040T3 (es) | 2009-05-01 |
CA2462256A1 (en) | 2003-04-10 |
WO2003028535A2 (en) | 2003-04-10 |
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