JPH10501155A - 半月板補強装置 - Google Patents
半月板補強装置Info
- Publication number
- JPH10501155A JPH10501155A JP8500992A JP50099295A JPH10501155A JP H10501155 A JPH10501155 A JP H10501155A JP 8500992 A JP8500992 A JP 8500992A JP 50099295 A JP50099295 A JP 50099295A JP H10501155 A JPH10501155 A JP H10501155A
- Authority
- JP
- Japan
- Prior art keywords
- meniscus
- meniscal
- fibers
- collagen
- matrix
- 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 - Lifetime
Links
Classifications
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- A61L2430/00—Materials or treatment for tissue regeneration
- A61L2430/38—Materials or treatment for tissue regeneration for reconstruction of the spine, vertebrae or intervertebral discs
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S623/00—Prosthesis, i.e. artificial body members, parts thereof, or aids and accessories therefor
- Y10S623/901—Method of manufacturing prosthetic device
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Epidemiology (AREA)
- Dermatology (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Vascular Medicine (AREA)
- Cardiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Neurology (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Rheumatology (AREA)
- Physical Education & Sports Medicine (AREA)
- Inorganic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Botany (AREA)
- Biophysics (AREA)
- Molecular Biology (AREA)
- General Chemical & Material Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Organic Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Immunology (AREA)
- Materials For Medical Uses (AREA)
- Prostheses (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Fats And Perfumes (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.患者の半月板の部分的欠陥に移植するための半月板補強装置であって、そ の装置は、生物学的適合性を有しかつ少なくとも部分的には生物学的に再吸収可 能な複数の線維を備え、前記装置は半月板の部分的欠陥に対してほぼ相補的な外 表面輪郭を備え、かつ、前記線維は天然ポリマー、天然ポリマーの類似物、並び に天然ポリマー及び/または類似ポリマーの混合物からなるグループから選択さ れたものであり、 それにより、前記装置は半月板の部分的欠陥に移植された時、生物学的適合性 を有しかつ少なくとも部分的には生物学的に再吸収可能な骨格を確立し、その骨 格内部にて半月板の線維質軟骨細胞が成長するようになっており、前記骨格及び 内部成長した半月板の線維質軟骨細胞が天然の半月板への負荷力を支持し、かつ 、前記半月板及び装置の複合物のインビボの外表面が部分的欠陥のない天然半月 板のそれとほぼ同一になる半月板補強装置。 2.前記生物学的適合性を有しかつ少なくとも部分的に生物学的に再吸収可能 な複数の線維は、乾燥した多孔性の容積マトリックスを備え、そのマトリックス は約50ミクロンから約500ミクロンの範囲の大きさの孔を備える請求項1に 記載の装置。 3.前記マトリックスは1立方センチメートル当たり、約0.10から約0. 25グラムの密度を有する請求項2に記載の装置。 4.前記マトリックスは1グラム当たり、約2から約25立方センチメートル の線維内空間及び線維間空間を有する請求項2に記載の装置。 5.前記天然ポリマーはヒト及びヒト以外の動物に由来するポリマーのグルー プから選択されたものである請求項1に記載の装置。 6.ヒトに由来するポリマー及びヒト以外の動物に由来するポリマーはコラー ゲン、エラスチン、レチクリン、セルロース、それらの類似物及びそれらの混合 物からなるグループから選択されたものである請求項5に記載の装置。 7.前記ポリマーはコラーゲンである請求項6に記載の装置。 8.前記コラーゲンはI型コラーゲン、II型コラーゲン及びそれらの組み合わ せからなるグループから選択されたものである請求項7に記載の装置。 9.前記線維の少なくとも一部は架橋されている請求項1に記載の装置。 10.前記マトリックスの線維に散在させた複数のグリコサミノグリカン分子 を更に有する請求項2に記載の装置。 11.前記グリコサミノグリカン分子の少なくとも一部は前記マトリックスの 線維の少なくとも一部と架橋されている請求項10に記載の装置。 12.前記線維は約75から100乾燥重量%の濃度で存在し、前記グリコサ ミノグリカン分子は約0から25乾燥重量%の濃度で存在する請求項10に記載 の装置。 13.前記グリコサミノグリカン分子はコンドロイチン 4−サルフェート、 コンドロイチン 6−サルフェート、ケラタンサルフェート、ダーマタンサルフ ェート、ヘパランサルフェート、ヘパリン、ヒアルウロン酸、及びそれらの混合 物からなるグループから選択されたものである請求項10に記載の装置。 14.前記架橋は化学的架橋剤によって形成される請求項9に記載の装置。 15.前記架橋は化学的架橋剤によって形成される請求項11に記載の装置。 16.前記架橋剤はグルタールアルデヒド、フォルムアルデヒド、生物学的適 合性を有する二官能性アルデヒド、カルボジイミド、ヘキサメチレン ジイソシ アネート、ビス−イミデート、ポリグリセロール ポリグリシジル エーテル、 グリオキサール、及びそれらの混合物からなるグループから選択されたものであ る請求項14に記載の装置。 17.前記架橋剤はグルタールアルデヒド、フォルムアルデヒド、生物学的適 合性を有する二官能性アルデヒド、カルホジイミド、ヘキサメチレン ジイソシ アネート、ビス−イミデート、ポリグリセロール ポリグリシジル エーテル、 グリオキサール、及びそれらの混合物からなるグループから選択されたものであ る請求項15に記載の装置。 18.前記架橋剤はフォルムアルデヒドである請求項16に記載の装置。 19.前記架橋剤はグルタールアルデヒドである請求項16に記載の装置。 20.前記架橋剤はフォルムアルデヒドである請求項17に記載の装置。 21.前記架橋剤はグルタールアルデヒドである請求項17に記載の装置。 22.成長因子を更に備える請求項1に記載の装置。 23.前記成長因子は形質転換成長因子−α、形質転換成長因子−β、線維芽 細胞成長因子、表皮成長因子、血小板由来成長因子、またはそれらの組み合わせ である請求項22に記載の装置。 24.接着分子を更に備える請求項1に記載の装置。 25.前記接着分子はフィブロネクチン、コンドロネクチン、オステオネクチ ンまたはそれらの組み合わせである請求項24に記載の装置。 26.半月板の部分的欠陥のインビボ形状を有する半月板の補強装置を製造す る方法であって、 (a)生物学的適合性を有しかつ生物学的に再吸収可能であり、かつ、天然ポリ マー、天然ポリマーの類似物または天然ポリマーの混合物を含んだ複数の線維を 金型内に配置し、 (b)成形された線維を凍結乾燥し、 (c)線維が金型の形状を呈するように、その線維を化学的架橋剤に接触させ、 (d)前記工程(a)の間、あるいは工程(c)の後、前記半月板の部分的欠陥 の形状とほぼ相補的になるように、前記装置の外表面を制御し、 よって、約50ミクロンから約500ミクロンの大きさの範囲の直径を備えた 孔を有する乾燥した多孔性の容積マトリックスを確立し、そのマトリックスは膝 関節に移植された時、半月板の線維質軟質細胞のマトリックス内部への成長のた め、及び天然半月板への負荷力を支持するため、生物学的適合性を有しかつ少な くとも部分的には生物学的に再吸収可能な骨格を確立し、それにより、前記骨格 及び前記半月板の複合物のインビボ外表面が部分的欠陥のない天然半月板とほぼ 同一になる方法。 27.請求項26に記載の方法によって生成された半月板の補強装置。 28.前記天然ポリマーはヒト及びヒト以外の動物に由来するポリマーのグル ープから選択されたものである請求項26に記載の方法。 29.前記ヒトに由来するポリマー及びヒト以外の動物に由来するポリマーは コラーゲン、エラスチン、レチクリン、セルロース、それらの類似物及びそれら の混合物からなるグループから選択されたものである請求項28に記載の方法。 30.(a)は複数のグリコサミノグリカン分子を前記金型内に配置すること を更に含む請求項26に記載の方法 31.前記グリコサミノグリカン分子は、コンドロイチン 4−サルフェート 、コンドロイチン 6−サルフェート、ケラタンサルフェート、ダーマタンサル フェート、ヘパランサルフェート、ヘパリン、ヒアルウロン酸、及びそれらの混 合物からなるグループから選択されたものである請求項30に記載の方法。 32.配置工程(a)は更に前記金型内において所望のパターンに前記線維を 配向することを含む請求項26に記載の方法。 33.前記化学的架橋剤はグルタールアルデヒド、フォルムアルデヒド、生物 学的適合性を有する二官能性アルデヒド、カルボジイミド、ヘキサメチレン ジ イソシアネート、ビス−イミデート、ポリグリセロール ポリグリシジル エー テル、グリオキサール、及びそれらの混合物からなる架橋剤のグループから選択 されたものである請求項26に記載の方法。 34.(A)は更に生物学的適合性を有しかつ生物学的に再吸収可能な線維及 び成長因子を金型内に配置することを更に含む請求項26に記載の方法。 35.前記成長因子は形質転換成長因子−α、形質転換成長因子−β、線維芽 細胞成長因子、表皮成長因子、血小板由来成長因子、またはそれらの組み合わせ である請求項34に記載の方法。 36.(A)は更に、生物学的適合性を有しかつ生物学的に再吸収可能な線維 及び接着分子を金型内に配置することを含む請求項26に記載の方法。 37.前記接着分子はフィブロネクチン、コンドロネクチン、オステオネクチ ンまたはそれらの組み合わせである請求項36に記載の方法。 38.インビボで半月板組織を再生するための方法であって、 (a)患者の半月板の部分的欠陥に移植するための半月板補強装置を製造し、そ の半月板補強装置は生物学的適合性を有しかつ少なくとも部分的に生物学的に再 吸収可能な線維を備え、その装置は半月板の部分的欠陥に対してほぼ相補的な外 表面輪郭を備え、かつ、前記線維は天然ポリマー、天然ポリマーの類似物、並び に天然ポリマー及び/または類似ポリマーの混合物からなるグループから選択さ れたものであり、 それにより、前記装置は生物学的適合性を有しかつ少なくとも部分的に生物学 的に再吸収可能な骨格を確立して、その骨格内部にて半月板の線維質軟質細胞が 成長するように、前記半月板内の部分的欠陥に移植可能であり、かつ、前記骨格 及び内部成長した半月板の線維質軟骨細胞が天然半月板の負荷力を支持し、 (b)前記装置を患者の半月板の部分的欠陥内に移植し、よって、前記装置及び 前記半月板の複合物のインビボ外表面が部分的欠陥のない天然半月板とほぼ同一 になる方法。 39.前記(a)で製造された装置は(b)で移植される時、半月板の部分的 欠陥の形状を呈する請求項38に記載の方法。
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US08/250,008 | 1994-05-27 | ||
US08/250,008 US5681353A (en) | 1987-07-20 | 1994-05-27 | Meniscal augmentation device |
PCT/US1995/006493 WO1995032623A1 (en) | 1994-05-27 | 1995-05-23 | Meniscal augmentation device |
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EP (1) | EP0760598B1 (ja) |
JP (1) | JPH10501155A (ja) |
AT (1) | ATE271312T1 (ja) |
AU (1) | AU684183B2 (ja) |
CA (1) | CA2191330C (ja) |
DE (1) | DE69533285T2 (ja) |
DK (1) | DK0760598T3 (ja) |
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US6042610A (en) | 2000-03-28 |
EP0760598B1 (en) | 2004-07-21 |
CA2191330A1 (en) | 1995-12-07 |
ES2224126T3 (es) | 2005-03-01 |
ATE271312T1 (de) | 2004-08-15 |
DE69533285T2 (de) | 2005-08-04 |
AU2555395A (en) | 1995-12-21 |
EP0760598A4 (en) | 2000-04-26 |
DE69533285D1 (de) | 2004-08-26 |
PT760598E (pt) | 2004-11-30 |
US5735903A (en) | 1998-04-07 |
DK0760598T3 (da) | 2004-11-22 |
EP0760598A1 (en) | 1997-03-12 |
WO1995032623A1 (en) | 1995-12-07 |
CA2191330C (en) | 2007-02-13 |
US5681353A (en) | 1997-10-28 |
AU684183B2 (en) | 1997-12-04 |
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