JP4197157B2 - 軟骨修復再生装置および方法 - Google Patents
軟骨修復再生装置および方法 Download PDFInfo
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- JP4197157B2 JP4197157B2 JP2003513401A JP2003513401A JP4197157B2 JP 4197157 B2 JP4197157 B2 JP 4197157B2 JP 2003513401 A JP2003513401 A JP 2003513401A JP 2003513401 A JP2003513401 A JP 2003513401A JP 4197157 B2 JP4197157 B2 JP 4197157B2
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- cartilage repair
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- A61F2240/00—Manufacturing or designing of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2240/00—Manufacturing or designing of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2240/001—Designing or manufacturing processes
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
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- A61F2250/003—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in adsorbability or resorbability, i.e. in adsorption or resorption time
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- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
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- A61F2250/0063—Nested prosthetic parts
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- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
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Description
同時係属の「メニスカス・リジェネレーション・デバイス・アンド・メソッド(Meniscus Regeneration Device and Method)」を発明の名称とする米国特許出願第10/195,794号(代理人明細書番号第265280−71141号,DEP−745)、「デバイシーズ・フロム・ナチュラリー・オカーリング・バイオロジカリー・デライブド・マテリアルズ(Devices from Naturally Occurring Biologically Derived Materials)」を発明の名称とする米国特許出願第10/195,719号(代理人明細書番号第265280−71142号,DEP−748)、「カーテイレイジ・リペア・アパレイタス・アンド・メソッド(Cartilage Repair Apparatus and Method)」を発明の名称とする米国特許出願第10/195,347号(代理人明細書番号第265280−71143号,DEP−749)、「ユニタリー・サージカル・デバイス・アンド・メソッド(Unitary Surgical Device and Method)」を発明の名称とする米国特許出願第10/195,344号(代理人明細書番号DEP−750)、「ハイブリッド・バイオロジック/シンセチック・ポーラス・エクストラセルラー・マトリクス・スキャホルズ(Hybrid Biologic/Synthetic Porous Extracellular Matrix Scaffolds)」を発明の名称とする米国特許出願第10/195,341号(代理人明細書番号第265280−71144号,DEP−751)、「ポーラス・エクストラセルラー・マトリクス・スキャフォルド・アンド・メソッド(Porous Extracellular Matrix Scaffold and Method)」を発明の名称とする米国特許出願第10/195,354号(代理人明細書番号第265280−71146号,DEP−747)、「カーテイレイジ・リペア・アンド・リジェネレーション・スキャフォルド・アンド・メソッド(Cartilage Repair and Regeneration Scaffolds and Method)」を発明の名称とする米国特許出願第10/195,334号(代理人明細書番号第265280−71180号,DEP−763)、および「ポーラス・デリバリー・スキャフォルド・アンド・メソッド(Porous Delivery Scaffold and Method)」を発明の名称とする米国特許出願第10/195,633号(代理人明細書番号第265280−71207号,DEP−762)に対してクロス・リファレンスが行なわれており、これらのそれぞれは本特許出願と同一の譲受人に譲渡されており、これらのそれぞれは本特許出願と同時に出願されていて、これらのそれぞれは本明細書に参考文献として含まれる。また、2002年6月14日に出願されている「ハイブリッド・バイオロジック・シンセチック・バイオアブソーバブル・スキャフォルズ(Hybrid Biologic-Synthetic Bioabsorbable Scaffolds)」を発明の名称とする米国特許出願第10/172,347号に対してもクロス・リファレンスが行なわれており、この特許出願は本特許出願と同一の譲受人に譲渡されていて、本明細書に参考文献として含まれる。
関節軟骨は一定の滑膜性の連結部分(例えば、膝関節、股関節、肩関節等)の中に対向している骨の表面部分に並んでいる一種の硝子軟骨である。この関節軟骨は骨の間に一定の無摩擦状態に近い接合状態を提供すると共に、関節内において生じる種々の圧縮力および剪断力を吸収および伝達するように機能する。さらに、関節軟骨に付随する組織に神経が無いために、このような負荷を吸収および伝達する機能は一定の健康な関節内において無痛の様式で生じている。
SISおよびHAの組み合わせが軟骨修復における一定の共同的な作用を生じることが分かっている。治癒の速度および/または治癒の品質はSISおよびHA単独の別の作用から予想される治癒よりも優れている。加えて、欠陥部位におけるHAの保持性は一定のECM支持骨格材料と共に使用した場合に不都合を生じず、ECMおよびHAの同時投与がECM材料に対するHAの架橋を必要としないことが分かっている。それゆえ、本発明は損傷したまたは病気の軟骨性の組織の修復のための方法を提供しており、この場合に、一定のECM材料およびHAが軟骨性の組織欠陥部位に対して同時投与される。
本発明は種々の変更および代替的な形態が可能であるが、その特定の実施形態が各添付部面において例示のために示されていて詳細に説明されている。しかしながら、これらの開示されている特定の形態に本発明を限定することを全く目的としていないこと、および、これとは逆に、この目的がと添付の特許請求の範囲により定められているような本発明の趣旨および範囲に該当する全ての変更例、等価物、および代替物を含むことであることが当然に理解されると考える。
図1において示されているように一定の半月板が調製されている。さらに、図8において示されているような一定のSIS装置が一定の半月板切除手術により形成されている空間部分の中に挿入されてその周囲の半月板組織に5−0ナイロン縫合線による縫合により固定されている。各切開部分を閉鎖して、240万ダルトン乃至360万ダルトンの分子量の1%ヒアルロン酸ナトリウム(市場において入手可能なアースリース(ARTHREASE)(商標)高分子量ヒアルロン酸ナトリウム)の溶液の2mlを上記SIS装置に隣接している膝関節の空孔部の中に注入する。3週間後に、3頭のイヌの中の2頭において半月板の欠陥部分における95%以上の再生が見られた。さらに、この軟骨は成熟していて自然な組織と外観において同等である。
上記実施例1と同様に、一定の半月板を調製して、一定の装置を挿入した。この切開部分を閉じて、HA(実施例1における市場において入手可能なアースリース(ARTHREASE)(商標)高分子量ヒアルロン酸ナトリウム)を実施例1と同様に注入した。さらに、付加的な注入を手術後の2週間目および4週間目において行なった。なお、一連の注入に対応する別の種々のプロトコルも使用可能であることが理解されると考える。
上記実施例1と同様に一定の半月板を調製する。図8において示されているような一定のSIS装置を一定のHA溶液(実施例1における市場において入手可能なアースリース(ARTHREASE)(商標)高分子量ヒアルロン酸ナトリウム)の中に入れて、このHAを上記装置に自然に飽和させた。その後、この装置を実施例1において説明されているように挿入する。随意的なさらに別の注入を手術後の2週間目および4週間目において行なった。
上記実施例1と同様に一定の半月板を調製する。図8において示されているような一定のSISを得るが、この場合に、この装置はHA(実施例1における市場において入手可能なアースリース(ARTHREASE)(商標)高分子量ヒアルロン酸ナトリウム)の中に飽和されていて、包装の前に凍結乾燥処理されている。この装置を無菌の生理食塩水または水の中に再水和処理した後に実施例1と同様に移植した。
一定の軟骨の欠陥部分が図11において示されているような一定の装置により修復されている。HAは修復される欠陥部位に対して術後に供給されている。HAを伴わずに修復した軟骨の欠陥部位に比較した場合に、上記の修復した組織は一定の白さを増したさらに硝子質様の概観を伴って、さらに成熟していると予想される。一定の装置およびHAの組み合わせにより処理されて修復されている組織がHAを伴わずに処理されている種々の動物体において見られる結果よりもさらに少ない深刻な劣化の変化の証拠を示すことが予想される。
なお、本発明の好ましい実施態様は以下の通りである。
(1) 天然に発生する細胞外基質および当該天然に発生する細胞外基質に供給されている一定の生物学的な潤滑剤を含む軟骨修復装置。
(2) 前記生物学的な潤滑剤が一定の溶液を含む実施態様1に記載の軟骨修復装置。
(3) 前記生物学的な潤滑剤の溶液が一定のGAGを含む実施態様2に記載の軟骨修復装置。
(4) 前記生物学的な潤滑剤の溶液がHAを含む実施態様3に記載の軟骨修復装置。
(5) 前記天然に発生する細胞外基質および生物学的な潤滑剤が同時凍結乾燥されている実施態様1に記載の軟骨修復装置。
(6) 前記生物学的な潤滑剤の部分が前記天然に発生する細胞外基質の部分に架橋されている実施態様1に記載の軟骨修復装置。
(7) さらに、一定の生体活性物質、一定の生物学的に誘導されている物質、および種々の細胞から成る群から選択される一定の付加的な材料を含む実施態様1に記載の軟骨修復装置。
(8) 前記天然に発生する細胞外基質が脊椎動物の小腸粘膜下組織、脊椎動物の肝臓基底膜、脊椎動物の膀胱粘膜下組織、脊椎動物の胃粘膜下組織、脊椎動物の消化管組織、脊椎動物の呼吸器組織、および脊椎動物の生殖器組織から成る群から選択される一定の供給源から誘導されている組織を含む実施態様1に記載の軟骨修復装置。
(9) 前記天然に発生する細胞外基質がウシの組織、ヒツジの組織、およびブタの組織から成る群から選択される一定の供給源から誘導されている組織を含む実施態様1に記載の軟骨修復装置。
(10) 前記細胞外基質が損傷した軟骨に形成した一定の開口部の中に位置決めするように構成されている一定のプラグ部分を含む実施態様1に記載の軟骨修復装置。
(11) 一定の軟骨修復装置を作成する方法において、
一定の天然に発生する細胞外基質を供給する工程、
一定の生物学的な潤滑剤を液体の形態で供給する工程、および
前記天然に発生する細胞外基質を前記液体の生物学的な潤滑剤により湿らせて一定の湿潤状態の移植片を形成する工程を含む方法。
(12) さらに、前記湿潤状態の移植片を包装する処理、および最終的に当該包装した湿潤状態の移植片を滅菌する処理を含む実施態様11に記載の方法。
(13) さらに、前記湿潤状態の移植片を乾燥する処理、当該乾燥状態の移植片を包装する処理、および最終的に当該包装した乾燥状態の移植片を滅菌する処理を含む実施態様11に記載の方法。
(14) 前記天然に発生する細胞外基質を供給する工程が脊椎動物の小腸粘膜下組織、脊椎動物の肝臓基底膜、脊椎動物の膀胱粘膜下組織、脊椎動物の胃粘膜下組織、脊椎動物の消化管組織、脊椎動物の呼吸器組織、および脊椎動物の生殖器組織から成る群から選択される一定の供給源から誘導されている組織を供給する処理を含む実施態様11に記載の方法。
(15) 前記天然に発生する細胞外基質がウシの組織、ヒツジの組織、およびブタの組織から成る群から選択される一定の供給源から誘導されている組織を含む実施態様14に記載の方法。
(16) さらに、一定の材料を前記装置の中に組み込む工程を含み、当該材料が一定の生体活性物質、一定の生物学的に誘導されている物質、および種々の細胞から成る群から選択される実施態様11に記載の方法。
11 半月板
12 関節顆
14 欠陥部分
16 くさび形の空間部分
18 半月板の外縁部
20 装置
22 上方パネル
24 下方パネル
26 内部空間
Claims (17)
- 軟骨修復装置において、
脊椎動物の小腸粘膜下組織、脊椎動物の肝臓基底膜、脊椎動物の膀胱粘膜下組織、脊椎動物の胃粘膜下組織、脊椎動物の消化管組織、脊椎動物の呼吸器組織、および脊椎動物の生殖器組織から成る群から選択される細胞外基質と、
当該細胞外基質に供給されている、ヒアルロン酸を含む生物学的な外生的潤滑剤と、
を含む軟骨修復装置。 - 請求項1に記載の軟骨修復装置において、
前記生物学的な潤滑剤が溶液を含む、軟骨修復装置。 - 請求項2に記載の軟骨修復装置において、
前記生物学的な潤滑剤の溶液がグリコスアミノグリカンをさらに含む、軟骨修復装置。 - 請求項1〜3のいずれかに記載の軟骨修復装置において、
前記細胞外基質および生物学的な潤滑剤が同時凍結乾燥されている、軟骨修復装置。 - 請求項1〜4のいずれかに記載の軟骨修復装置において、
前記生物学的な潤滑剤が前記細胞外基質に架橋されている、軟骨修復装置。 - 請求項1〜5のいずれかに記載の軟骨修復装置において、
生体活性物質、生物学的に誘導されている物質、および種々の細胞から成る群から選択される付加的な材料をさらに含む、軟骨修復装置。 - 請求項1〜6のいずれかに記載の軟骨修復装置において、
前記細胞外基質が、ウシの組織、ヒツジの組織、およびブタの組織から成る群から選択される供給源から誘導されている組織を含む、軟骨修復装置。 - 請求項1〜7のいずれかに記載の軟骨修復装置において、
損傷を受けた軟骨中に形成された開口部中に置かれるように構成されたプラグを含む、軟骨修復装置。 - 請求項8に記載の軟骨修復装置において、
前記プラグが、前記細胞外基質と前記細胞外基質に供給されている生物学的な潤滑剤とを有する、軟骨修復装置。 - 請求項8または9に記載の軟骨修復装置において、
前記開口部中に置かれた前記プラグを固定するように構成された固定装置を含む、軟骨修復装置。 - 請求項8または9に記載の軟骨修復装置において、
当該軟骨修復装置が、
ヘッド部分を有する、自然な軟骨および場合によっては肋軟骨下骨を除去した領域に固定されるように構成された固定装置であって、前記プラグが当該ヘッド部分表面に固定されている固定装置、または、
前記プラグの蓋をする、肋軟骨下骨中に形成された溝中に固定されるように構成された固定装置を備える、軟骨修復装置。 - 請求項1〜11のいずれかに記載の軟骨修復装置を作成する方法において、
細胞外基質を供給する工程と、
生物学的な潤滑剤を液体の形態で供給する工程と、
前記細胞外基質を前記液体の生物学的な潤滑剤により湿らせて湿潤状態の移植片を形成する工程と、を含む方法。 - 請求項12に記載の方法において、
前記湿潤状態の移植片を包装する工程と、最終的に当該包装した湿潤状態の移植片を滅菌する工程と、をさらに含む方法。 - 請求項12に記載の方法において、
前記湿潤状態の移植片を乾燥させる工程と、当該乾燥状態の移植片を包装する工程と、最終的に当該包装した乾燥状態の移植片を滅菌する工程と、をさらに含む方法。 - 請求項12〜14のいずれかに記載の方法において、
前記細胞外基質を供給する工程が、脊椎動物の小腸粘膜下組織、脊椎動物の肝臓基底膜、脊椎動物の膀胱粘膜下組織、脊椎動物の胃粘膜下組織、脊椎動物の消化管組織、脊椎動物の呼吸器組織、および脊椎動物の生殖器組織から成る群から選択される細胞外基質を供給する工程を含む、方法。 - 請求項12〜15のいずれかにおいて、
前記細胞外基質が、ウシの組織、ヒツジの組織、およびブタの組織から成る群から選択される供給源から誘導されている組織を含む、方法。 - 請求項12〜16のいずれかに記載の方法において、
材料を前記装置の中に組み込む工程をさらに含み、当該材料が、生体活性物質、生物学的に誘導されている物質、および種々の細胞から成る群から選択される、方法。
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EP1416886A4 (en) | 2007-04-18 |
WO2003007879A3 (en) | 2003-08-28 |
AU2002316696B2 (en) | 2007-08-30 |
US20030033022A1 (en) | 2003-02-13 |
US20030033021A1 (en) | 2003-02-13 |
JP2004535243A (ja) | 2004-11-25 |
US8012205B2 (en) | 2011-09-06 |
EP1416887A4 (en) | 2007-04-18 |
EP1416886A2 (en) | 2004-05-12 |
JP2004535252A (ja) | 2004-11-25 |
AU2002320512B2 (en) | 2008-01-31 |
EP1416887A2 (en) | 2004-05-12 |
JP4197160B2 (ja) | 2008-12-17 |
WO2003007879A2 (en) | 2003-01-30 |
WO2003007787A2 (en) | 2003-01-30 |
WO2003007787A3 (en) | 2003-04-24 |
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