JP2010508954A - 人工器官もしくはその部品の固定用および/または骨欠陥充填用のキットおよび方法 - Google Patents
人工器官もしくはその部品の固定用および/または骨欠陥充填用のキットおよび方法 Download PDFInfo
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- JP2010508954A JP2010508954A JP2009536184A JP2009536184A JP2010508954A JP 2010508954 A JP2010508954 A JP 2010508954A JP 2009536184 A JP2009536184 A JP 2009536184A JP 2009536184 A JP2009536184 A JP 2009536184A JP 2010508954 A JP2010508954 A JP 2010508954A
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- 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
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00011—Metals or alloys
- A61F2310/00023—Titanium or titanium-based alloys, e.g. Ti-Ni alloys
-
- 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
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00353—Bone cement, e.g. polymethylmethacrylate or PMMA
-
- 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
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00389—The prosthesis being coated or covered with a particular material
- A61F2310/00592—Coating or prosthesis-covering structure made of ceramics or of ceramic-like compounds
-
- 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
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00389—The prosthesis being coated or covered with a particular material
- A61F2310/00592—Coating or prosthesis-covering structure made of ceramics or of ceramic-like compounds
- A61F2310/00796—Coating or prosthesis-covering structure made of a phosphorus-containing compound, e.g. hydroxy(l)apatite
-
- 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
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00389—The prosthesis being coated or covered with a particular material
- A61F2310/00928—Coating or prosthesis-covering structure made of glass or of glass-containing compounds, e.g. of bioglass
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Abstract
【解決手段】少なくとも一つの接触面を有する人工器官または人工器官の部分と、内部孔隙を有する金属顆粒と、骨セメントと、さらに部品のキットに使用するチタン顆粒を備え、この顆粒は好ましくは骨伝導性、であり、この顆粒は好ましくは骨導電しもしくは骨誘導性コーティングの群から選ばれたコーティング、あるいはバイオセラミック、バイオガラス、または骨誘導性分子もしくは液体もしくは細胞で覆われている。
Description
実験例
機械的試験:負荷および緩和
寛骨臼要素の実験
BCCにおける骨内方成長試験
材料と方法
Ti粒子における骨内方成長
ヤギ試験
動物モデル
本検討は10匹の雌の成獣搾乳用オランダヤギ(Capra Hircus Sana)で行った。すべての動物は骨格的に成熟しており、体重は50kgと60kgの間(平均55kg)であった。追跡試験期間は15週間であった。
チタン粒子(多孔度75〜80%、直径2.8〜4mm)はFondel Finance BV(オランダ国、ロッテルダム市)により提供された。すべてのTiP粒子を、Cam Implants BV(オランダ国、ライデン市)による、臨床に使用するための手順に従って洗浄した。コクボ(接骨インプラント用アパタイト層−塗布チタン、バイオマテリアルス 1997;18:1185−1190[KuKubo(Yan WQ、Nakamura T, Kawanabe K,Nishigochi S, Oka M, Kokubo T. Apatite layer−coated titanium for useas bone bonding implants, Biomaterials 1997; 18:1185−1190)]に刊行された従来の方法に従って、すべてのTiPを燐酸カルシウムの層でコーティングした。このコーティングはビオマテリアーレン、ラドブート大学、ナイメヘンにより適用された。
回収された股関節要素の接触X線写真を撮った後、再建された寛骨臼欠陥を巨視的に二分割によりいくつかの部分に分割した。全ての部分を脱水し、脱カルシウムせずにポリメチルメタクリレート(PMMA)中に包埋し、ライカ(Leica)SP1600ソー・マイクロトーム(saw−microtome)、ドイツ国、ハイデルベルク市)で連続切片を作成した。切片を染色せずに調べた。骨内方成長を定量した後、切片をHE−染色し、または染色せずカルセイン蛍光を視覚化した。全ての切片を通常光および蛍光光の下で観察した。
1匹のヤギは大腿骨を骨折した、これは手術後の合併症であり、おそらく再建手術とは直接関連していないと思われる。ハンモックから解放後の最初の2週間は全てのヤギが足をひきずったが、すべての動物において、その後ほぼ正常な歩行に改善した。1つのカップは提供時に完全に緩み、1つのカップはやや緩かった。
厚い切片(図21〜23)に基づいた。全てのサンプルで、TiPの層はホストの骨と一体化した(図24)。骨はTiP層の外層に緊密に結合した(図22)。すべてのサンプルで、個々のTiP下流の間の大きな空隙に新しい骨の顕著な内方成長が見られた(図23)。
ほとんどのサンプルにおいて新しい骨がTiPセメント界面に到達した(図23)。TiPとセメントとの間の界面はむしろ引き締まっており、ほとんどの場合、直接結合がTiP層とセメントとの間に見られた(図23)。ある場所では、比較的薄い線維状組織界面が見られ、この界面は一般に100ミクロンよりも薄かった(図23)。これは実質的に予想よりも小さく、骨移植片を使用するときよりも小さい。
手術前のTiPイオン濃度は約0.6PPBであった。追跡試験期間中、この濃度は徐々に増加して約1.0PPBとなった(図25)。この濃度は、意外に低い。
Claims (35)
- 少なくとも一つの接触面を有する人工器官または人工器官の部分と、
内部孔隙を有する金属顆粒と、
骨セメントと
を備えた、部品のキット。 - 前記量の顆粒は、前記少なくとも一つの表面を、平均厚さが顆粒の平均サイズの少なくとも1倍、好ましくは1倍と10倍の間、より好ましくは1倍と4倍の間である顆粒の層で覆うのに十分な量であることを特徴とする請求項1に記載の部品のキット。
- 前記量のセメントは、前記少なくとも一つの接触面を覆う層中の前記顆粒を少なくとも2mm、好ましくは2mmプラス顆粒の層内への貫入距離の深さまで、平均距離2−X mmにわたって覆うのに十分な量であり、Xは前記顆粒の層の上方のサイズ範囲の顆粒の直径に等しいことを特徴とする請求項2に記載の部品のキット。
- 前記量のセメントは前記顆粒の微細孔と、前記顆粒間の各部とを前記顆粒の層の平均少なくとも3分の1まで充填するのに十分な量であることを特徴とする請求項3に記載の部品のキット。
- 前記少なくとも1つの接触面上に前記顆粒の層により形成される外表面の少なくとも一部を覆うためのメッシュ材料をさらに備えることを特徴とする請求項1〜4のいずれか一項に記載の部品のキット。
- 前記メッシュは前記顆粒が前記メッシュに収容されることができるように設けられていることを特徴とする請求項5に記載の部品のキット。
- 前記顆粒を骨の開口部内において圧縮する手段をさらに備えることを特徴とする請求項1〜6のいずれか一項に記載の部品のキット。
- 前記圧縮手段は、前記人工器官の一部分、特に前記開口部に導入される前記少なくとも1つの接触面と類似の、好ましくは実質的に同一の輪郭を有する接触部分を設けられていることを特徴とする請求項7に記載の部品のキット。
- 前記顆粒を骨の開口部内に導入する手段をさらに備えることを特徴とする請求項1〜8のいずれか一項に記載の部品のキット。
- 前記顆粒の少なくとも50体積%は1mmと10mmの間、好ましくは2.5mmと7mmの間の平均サイズを有することを特徴とする請求項1〜9のいずれか一項に記載の部品のキット。
- 前記顆粒の実質的に全部が1mmと10mmの間、好ましくは2.5mmと7mmの間の平均サイズを有することを特徴とする請求項10に記載の部品のキット。
- 前記顆粒は、平均多孔度が40〜90%であることを特徴とする請求項1〜11のいずれか一項に記載の部品のキット。
- 前記顆粒は前記顆粒が相互にくっつくのに十分な表面粗さ、好ましくは5.5Raより大きい、好ましくは6Raより大きい、さらに好ましくは6.3RAより大きい表面粗さを有することを特徴とする請求項1〜12のいずれか一項に記載の部品のキット。
- 前記顆粒は、チタンを四塩化チタン(TiCl4)を用いて生成する方法を用いて形成されることを特徴とする部品のキット。
- 前記顆粒はコーティング、好ましくは骨伝導性コーティング、特に燐酸カルシウムまたは生物活性ガラスを含有するコーティングを有することを特徴とする請求項1〜14のいずれか一項に記載の部品のキット。
- 前記コーティングは、平均厚さが0.5〜100マイクロメータであり、特に燐酸カルシウムを含有するコーティングであることを特徴とする請求項15に記載の部品のキット。
- 前記顆粒は少なくとも部分的にチタンでできていることを特徴とする請求項1〜16のいずれか一項に記載の部品のキット。
- 前記骨セメントはポリメチルメタクリレート(PMMA)のようなアクリレート類から選ばれることを特徴とする請求項1〜17のいずれか一項に記載の部品のキット。
- 請求項1〜18のいずれか一項に記載の部品のキットに使用するチタン顆粒であって、50%と95%の間の多孔度を有し、直径が1mmと10mmの間であり、前記顆粒は好ましくは骨伝導性であり、前記顆粒は好ましくは骨伝導性または骨誘導性のコーティング、またはバイオセラミック、バイオガラスまたは骨伝導性もしくは骨誘導性分子もしくは液体または細胞からなる群から選ばれるコーティングで覆われていることを特徴とするチタン顆粒。
- 人工器官またはその部分をイン・ビボまたはイン・ビボで骨または人工骨に固定する方法であって、
骨に、人工器官の少なくとも1つの接触面を受容するための開口部を設け、
前記開口部、または遭遇した骨欠陥、あるいはそれらの双方を内部孔隙を有する金属顆粒で、少なくとも部分的に、前記開口部の内壁の少なくとも部分、好ましくは実質的に全体が前記顆粒の層で覆われるように、充填し、
前記層の開口内の前記顆粒の中へ圧縮装置を導入し、前記顆粒の層を前記内壁に対して圧縮して、前記圧縮装置が前記開口から撤退すると、前記開口が実質的に前記人工器官の前記少なくとも1つの接触面の形状と寸法を有するようにし、
骨セメントと前記少なくとも1つの接触面とを、前記骨セメントが前記顆粒の層内に、前記顆粒内および前記顆粒間に押込まれるように、前記開口内に導入し、
前記少なくとも1つの接触面が固定のための所望の位置にあるときに、前記少なくとも1つの接触面と前記内壁との間の前記空間が、前記顆粒の層で充填され、前記骨セメントが前記層内に押込まれることを含む方法。 - 前記セメントは前記顆粒内および前記顆粒間に、前記少なくとも身体接触面から見て、前記層の平均厚さの3分の2以下の平均深さまで押し込まれることを特徴とする請求項20に記載の方法。
- 前記セメントは前記顆粒内および前記顆粒間に、前記少なくとも1つの接触面から見て1センチメートル以下、このましくは7.5mm未満の平均深さまで押込まれることを特徴とする請求項20または21に記載の方法。
- 前記開口部内への導入前に、前記顆粒は液体、特に水を含むまたは水からなる液体に浸漬されることを特徴とする請求項20〜22のいずれか一項に記載の方法。
- 前記顆粒の圧縮中に少なくとも一部、好ましくは50%より多い前記液体が前記顆粒の外へ、および前記顆粒の間から押し出されることを特徴とする請求項20に記載の方法。
- 前記顆粒の層の少なくとも一部の導入の前に、または導入の後に、前記開口部に、メッシュが設けられることを特徴とする請求項20〜24のいずれか一項に記載の方法。
- 前記少なくとも1つの身体接触面を受容するための前記開口部を作製する前に、人工器官を前記骨から取り出し、前記開口部をそのままにし、その後、前記顆粒の導入前に、前記開口部の前記内壁を洗浄することを特徴とする請求項20〜25のいずれか一項に記載の方法。
- 前記圧縮は、複数の圧縮装置を用いて行われることを特徴とする請求項20〜26のいずれか一項に記載の方法。
- 前記顆粒は前記内壁に対して少なくとも25%圧縮されることを特徴とする請求項20〜27のいずれか一項に記載の方法。
- 前記内壁の空隙、または開口部、あるいはそれらの双方が、顆粒で、前記顆粒の層を用意する前にまたはその間に、充填されることを特徴とする請求項20〜28のいずれか一項に記載の方法。
- 骨に人工器官を固定するための部品のキットの調製における金属性多孔質顆粒、および骨セメントの使用。
- 骨欠陥を充填するための要素の調製における金属性多孔質顆粒の使用。
- 多孔質金属顆粒、および骨欠陥を充填し、または骨に人工器官またはその部分を固定し、あるいはそれらの双方をするための要素を調製するための圧縮装置とを備える部品のキット。
- 前記顆粒は液体、特に水を含む、または水からなる液体に浸漬されていることを特徴とする請求項32に記載の方法。
- 前記圧縮装置は、長手方向を有し、長手方向端部に前記圧縮装置を前記長手方向に駆動する埋伏面と、少なくとも部分的に先細形状の部分、好ましくは端部部分であって、前記埋伏面から遠ざかる方向に先細形状になっている部分とを設けられていることを特徴とする、好ましくは請求項1〜18または32〜33のいずれか一項に記載の部品のキット。
- 生物模倣コーティング、過飽和溶液におけるコーティング、
プラズマ・スプレイコーティング、または
好ましくは塩溶液浴または電気スプレイ堆積を用いる、電気化学的堆積
の少なくとも1つを用いる、
部品のキットの顆粒をコーティングする方法。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL1032851A NL1032851C2 (nl) | 2006-11-10 | 2006-11-10 | Kit en werkwijze voor het fixeren van een prothese of deel daarvan en/of het vullen van benige defecten. |
| PCT/NL2007/050560 WO2008056987A2 (en) | 2006-11-10 | 2007-11-12 | Kit and method for fixating a prosthesis or part thereof and/or filling osseous defects |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2010508954A true JP2010508954A (ja) | 2010-03-25 |
Family
ID=38364613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009536184A Pending JP2010508954A (ja) | 2006-11-10 | 2007-11-12 | 人工器官もしくはその部品の固定用および/または骨欠陥充填用のキットおよび方法 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8361161B2 (ja) |
| EP (1) | EP2083761A2 (ja) |
| JP (1) | JP2010508954A (ja) |
| CN (1) | CN101616643A (ja) |
| NL (1) | NL1032851C2 (ja) |
| RU (1) | RU2458655C2 (ja) |
| WO (1) | WO2008056987A2 (ja) |
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| SE531319C2 (sv) | 2007-02-22 | 2009-02-24 | Tigran Technologies Ab Publ | Porös implantatgranul |
| US8100981B2 (en) * | 2008-02-29 | 2012-01-24 | Vot, Llc | Tibial prosthesis |
| GB0909183D0 (en) * | 2009-05-28 | 2009-07-08 | Bedi Kathryn J | Coating method |
| GB0918484D0 (en) * | 2009-10-22 | 2009-12-09 | Depuy Int Ltd | A medical implant device |
| US8585770B2 (en) * | 2011-07-12 | 2013-11-19 | Biomet Manufacturing, Llc | Implant sleeve for cement hip stems |
| ITUD20120059A1 (it) * | 2012-04-06 | 2013-10-07 | Limacorporate Spa | Elemento protesico per estremita' ossee quali dita o denti e relativo procedimento di realizzazione |
| CN102698316B (zh) * | 2012-05-16 | 2014-08-13 | 华东理工大学 | 一种快速固化粘性骨修复材料及其制备方法 |
| TW201350847A (zh) * | 2012-06-13 | 2013-12-16 | sheng-nan Zhang | 擠壓測試裝置 |
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| US9399086B2 (en) * | 2009-07-24 | 2016-07-26 | Warsaw Orthopedic, Inc | Implantable medical devices |
-
2006
- 2006-11-10 NL NL1032851A patent/NL1032851C2/nl not_active IP Right Cessation
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2007
- 2007-11-12 EP EP07834688A patent/EP2083761A2/en not_active Withdrawn
- 2007-11-12 RU RU2009121707/14A patent/RU2458655C2/ru not_active IP Right Cessation
- 2007-11-12 CN CN200780049563A patent/CN101616643A/zh active Pending
- 2007-11-12 JP JP2009536184A patent/JP2010508954A/ja active Pending
- 2007-11-12 WO PCT/NL2007/050560 patent/WO2008056987A2/en active Application Filing
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH02503273A (ja) * | 1987-03-30 | 1990-10-11 | エー・ビー・アイデイア | 人工関節幹を固定する手段 |
| JP2005532088A (ja) * | 2002-04-29 | 2005-10-27 | フォンデル、ファイナンス、ベスローテン、フェンノートシャップ | 機械的に圧縮される生体適合性粒状体による人工関節の固定 |
Also Published As
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|---|---|
| US20090306673A1 (en) | 2009-12-10 |
| WO2008056987A2 (en) | 2008-05-15 |
| US8361161B2 (en) | 2013-01-29 |
| CN101616643A (zh) | 2009-12-30 |
| NL1032851C2 (nl) | 2008-05-14 |
| RU2458655C2 (ru) | 2012-08-20 |
| RU2009121707A (ru) | 2010-12-20 |
| EP2083761A2 (en) | 2009-08-05 |
| WO2008056987A3 (en) | 2009-06-04 |
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