JP5676489B2 - 良好な身体応答を示す磨耗粒子を生じる医療用インプラント - Google Patents
良好な身体応答を示す磨耗粒子を生じる医療用インプラント Download PDFInfo
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- JP5676489B2 JP5676489B2 JP2011551044A JP2011551044A JP5676489B2 JP 5676489 B2 JP5676489 B2 JP 5676489B2 JP 2011551044 A JP2011551044 A JP 2011551044A JP 2011551044 A JP2011551044 A JP 2011551044A JP 5676489 B2 JP5676489 B2 JP 5676489B2
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Description
・ 磨耗片が抗炎症特性を有し、それによって、炎症の結果として生じる骨溶解カスケードを低減する。
・ 磨耗片が、抗腫瘍特性、抗微生物特性(例えば、抗細菌特性)、抗ウイルス特性、骨刺激特性又は骨吸収阻害特性などの他の有益な特性を有する。
・ 材料によって、容易で、簡易な製造方法が可能となる。クルクミン粉末又は別の抗炎症性添加剤をUHMWPE粉末と混合してから、焼結する。複雑な防御環境を用いずに空気中で照射を実施できる。或いは、照射を行わずに、材料を使用できる。
・ 促進老化試験によって実証されるように、クルクミンなどの添加が酸化的分解から材料を保護する(実施例1を参照のこと)。
UHMWPEを含む材料と、抗炎症物質、抗微生物物質、抗腫瘍物質、抗ウイルス物質及び/又は骨刺激物質からなる群から選択される、ある分量の添加剤とを混合するステップと、
前記混合物を、UHMWPEの融点より高い温度の適用によって成形して、プレフォームを作製するステップと
を含む、良好な身体応答特性を有するUHMWPE材料の加工方法を対象とする。
プレフォームをインプラントに造形するステップと、
インプラントを包装し且つ2〜4Mradの間のガンマ線照射によって滅菌するか又は前記インプラントをエチレンオキシド若しくは気体プラズマへの暴露によって滅菌するステップ
の1つ又は複数を更に含む。
・ 本発明による材料は、UHMWPE樹脂粉末と1種又は複数の抗炎症剤との混合物であることができる。
・ 抗炎症剤は、限定するものではないが、クルクミンであることができる。
・ 抗炎症剤は、UHMWPE粉末と混合してから、プレフォームを焼結することができる。
・ 本発明の実施形態による材料から作製された整形外科インプラント支持部材は、抗炎症特性を有する磨耗片を発生でき、それによって、炎症の結果として生じる骨溶解カスケードが減少する。
ガンマ線滅菌UHMWPEを、シートの形態に圧縮成形し(GUR(登録商標)1020、Quadrant、Germany)、機械加工し、不活性ガス雰囲気中で包装し、3Mradの線量でガンマ線滅菌した。クルクミンブレンドサンプルを、UHMWPE樹脂粉末と0.03〜0.1重量%のクルクミンとを混合することによって生成し、ブロックの形態に圧縮成形し、空気中で7〜14Mradの線量でガンマ線照射し、所望の形状に機械加工した。照射後熱処理は適用しなかった。これらの材料を用いて、以下の試験を行った。
(実施例1)
遊離基含量、酸化指数及び架橋結合間の分子量。
機械的性質
股関節シミュレーターデータ
28mmセラミック球に対する股関節シミュレーター試験を、ヒトの歩行周期を再現するAMTI股関節シミュレーターで、回数1.2Hz及び潤滑剤としてのウシ新生仔血清(タンパク質濃度30g/l)を用いて行った。寛骨臼カップを0.5ミオサイクル毎に秤量し且つ得られた結果を浸漬対照カップを用いて補正することによって、磨耗重量を測定した。
抗炎症応答
クルクミンブレンドサンプルを、UHMWPE樹脂粉末と1重量%のクルクミンとを混合することによって生成し、ブロックの形態に圧縮成形し、空気中で14Mradの線量でガンマ線照射し、所望の形状に機械加工した。照射後熱処理は適用しなかった。対照として、標準的な従来の高架橋/再溶融材料を用いた。
Claims (29)
- 医療用インプラントに抗炎症特性を与えるための医療用インプラント製造用UHMWPE材料への添加剤の使用であって、前記添加剤が、
クルクミン、ジンゲロール、ジンゲロン、ヘレナリン、サリシン、サリチル酸、カンナビクロメン、フラボノイド、レスベラトロール及び/若しくはミリセチン、タンニン、テルペン、マルビイン及び/又はステロイド系抗炎症薬の形態の1種又は複数の抗炎症物質
からなる使用。 - 前記添加剤がケルセチンからなる、請求項1に記載の使用。
- 前記添加剤が副腎皮質ステロイドからなる、請求項1に記載の使用。
- 前記添加剤がクルクミンからなる、請求項1に記載の使用。
- 前記添加剤を、医療用インプラントの総重量に基づき、0.0001〜5重量%の量で使用する、請求項1から4のいずれか一項に記載の使用。
- 前記添加剤を、医療用インプラントの総重量に基づき、0.001〜1重量%の量で使用する、請求項5に記載の使用。
- 前記医療用インプラントが人工関節置換物である、請求項1から6のいずれか一項に記載の使用。
- UHMWPEと、医療用インプラントに抗炎症特性を与えるための1種又は複数の抗炎症物質からなる添加剤とを含む、抗炎症特性を有するUHMWPE材料の形態のプレフォーム材料から作製された医療用インプラントであって、前記添加剤が、
クルクミン、ジンゲロール、ジンゲロン、ヘレナリン、サリシン、サリチル酸、カンナビクロメン、フラボノイド、レスベラトロール及び/若しくはミリセチン、タンニン、テルペン、マルビイン又はステロイド系抗炎症薬の形態の抗炎症物質の1種又は複数からなり、
前記プレフォーム材料が、ガンマ線若しくは電子ビーム照射によって照射されていないか、又は前記プレフォーム材料が2Mrad未満の線量のガンマ線若しくは電子ビーム照射によって照射されている
医療用インプラント。 - 前記添加剤がケルセチンからなる、請求項8に記載の医療用インプラント。
- 前記添加剤が副腎皮質ステロイドからなる、請求項8に記載の医療用インプラント。
- 前記添加剤がクルクミンからなる、請求項8に記載の医療用インプラント。
- 前記添加剤が、医療用インプラントの総重量に基づき、0.0001〜5重量%の量で使用される、請求項8から11のいずれか一項に記載の医療用インプラント。
- 前記添加剤が、医療用インプラントの総重量に基づき、0.001〜1重量%の量で使用される、請求項12に記載の医療用インプラント。
- 前記プレフォーム材料が、空気中で照射されている、請求項8から13のいずれか一項に記載の医療用インプラント。
- 前記プレフォーム材料が、照射後にアニールも更なる加熱も行われていない、請求項8から13のいずれか一項に記載の医療用インプラント。
- 前記医療用インプラントが人工関節置換物である、請求項8から15のいずれか一項に記載の医療用インプラント。
- 炎症性疾患の治療のための、請求項8から16のいずれか一項に記載の医療用インプラント。
- UHMWPEを含む材料と、抗炎症物質、抗微生物物質、抗腫瘍物質、抗ウイルス物質及び/若しくは骨刺激物質からなり、抗炎症特性、抗腫瘍特性、抗細菌特性、抗微生物特性、抗ウイルス特性、及び骨刺激特性から選択される良好な身体応答特性を付与するためのある分量の1種又は複数の添加剤とを混合するステップと、
前記混合物を、UHMWPEの融点より高い温度の適用によって成形して、プレフォームを作製し且つ任意選択で前記プレフォームから医療用インプラントを形成するステップと
を含む、抗炎症特性、抗腫瘍特性、抗細菌特性、抗微生物特性、抗ウイルス特性、及び骨刺激特性から選択される良好な身体応答特性を有するUHMWPE材料の加工方法。 - 前記添加剤が、
クルクミン、ジンゲロール、ジンゲロン、ヘレナリン、サリシン、サリチル酸、カンナビクロメン、フラボノイド、レスベラトロール及び/若しくはミリセチン、タンニン、テルペン、マルビイン及び/若しくはステロイド系抗炎症薬の形態の抗炎症物質、並びに/又は
抗微生物物質、例えば、ペプチド系物質、若しくは非ペプチド系物質、及び/若しくは銀、並びに/又は
抗腫瘍物質、例えば、アントラサイクリン、クルクミン及び/若しくはヘレナリン、並びに/又は
抗ウイルス物質、例えば、タンニン、並びに/又は
骨刺激物質、例えば、ペプチド系物質、及び/若しくは非ペプチド系物質、及び/若しくはジホスホン酸塩、及び/若しくは成長因子
のうちの1種又は複数からなる、請求項18に記載の方法。 - 前記添加剤がケルセチンからなる、請求項19に記載の方法。
- 前記添加剤が副腎皮質ステロイドからなる、請求項19に記載の方法。
- 前記添加剤がラクトフェリンからなる、請求項19に記載の方法。
- 前記添加剤がペニシリンからなる、請求項19に記載の方法。
- 前記添加剤がBMPファミリーの成長因子からなる、請求項19に記載の方法。
- 2〜20Mradの線量のガンマ線又は電子ビーム線のいずれかによって前記プレフォームの照射を行う更なるステップを含む、請求項18から24のいずれか一項に記載の方法。
- 2Mrad未満の線量のガンマ線又は電子ビーム線のいずれかによって前記プレフォームの照射を行う更なるステップを含む、請求項18から24のいずれか一項に記載の方法。
- 前記プレフォームにアニールも更なる加熱も行わない、請求項18から26のいずれか一項に記載の方法。
- 前記プレフォームをインプラントに造形するステップと、
前記インプラントを包装し且つ2〜4Mradの間のガンマ線照射によって滅菌するか又は前記インプラントをエチレンオキシド若しくは気体プラズマへの暴露によって滅菌するステップ
の1つ又は複数を更に含む、請求項18から27のいずれか一項に記載の方法。 - 動物及びヒトにおける炎症性疾患、微生物感染症、腫瘍性疾患、ウイルス感染症及び/又は骨分解性疾患の治療用の請求項8から16のいずれか一項に記載の医療用インプラント。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2009/034568 WO2010096053A1 (en) | 2009-02-19 | 2009-02-19 | Medical implant producing wear particles with benign body response |
Related Child Applications (1)
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WO2010096771A2 (en) | 2009-02-20 | 2010-08-26 | The General Hospital Corporation Dba | High temperature melting |
US10220547B2 (en) | 2013-10-17 | 2019-03-05 | The General Hospital Corporation | Peroxide cross-linking and high temperature melting |
CN104524629A (zh) * | 2014-11-26 | 2015-04-22 | 北京大学第三医院 | 一种交联改性的超高分子量聚乙烯材料及其制法 |
KR102550401B1 (ko) * | 2015-02-16 | 2023-06-30 | 테크레스 에스.피.에이. | 신체 내 삽입될 장치 또는 관절 스페이서용 플라스틱 재료 |
WO2016132289A1 (en) * | 2015-02-16 | 2016-08-25 | Tecres S.P.A. | Material for the molding of devices to be implanted into the human body or of articular spacers |
WO2017015571A1 (en) | 2015-07-23 | 2017-01-26 | Novaflux, Inc. | Implants and constructs including hollow fibers |
RU2744785C2 (ru) * | 2016-06-24 | 2021-03-15 | Колгейт-Палмолив Компани | Композиции для ухода за полостью рта и способы их применения |
US11667762B2 (en) | 2017-08-29 | 2023-06-06 | The General Hospital Corporation | UV-initiated reactions in polymeric materials |
CN113289060A (zh) * | 2020-05-03 | 2021-08-24 | 深圳海思医疗有限公司 | 组合物及应用、关节植入物型材、关节植入物及制备方法 |
US11970600B2 (en) | 2021-03-31 | 2024-04-30 | The General Hospital Corporation | Di-cumyl peroxide crosslinking of UHMWPE |
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EP0995449A1 (de) | 1998-10-21 | 2000-04-26 | Sulzer Orthopädie AG | UHMW-Polyethylen für Implantate |
US6582715B1 (en) * | 1999-04-27 | 2003-06-24 | Agion Technologies, Inc. | Antimicrobial orthopedic implants |
CN1723048A (zh) * | 2002-10-11 | 2006-01-18 | 卡蒂菲西尔公司 | 包括具有层状结构的生物相容性聚合物产品的医疗器件 |
CN1325124C (zh) | 2003-11-21 | 2007-07-11 | 王岩 | 人工关节假体及其制备方法 |
EP2172229B1 (en) | 2005-08-18 | 2014-07-16 | Zimmer GmbH | Ultra high molecular weight polyethylene articles and methods of forming ultra high molecular weight polyethylene articles |
US20070077268A1 (en) * | 2005-09-30 | 2007-04-05 | Depuy Products, Inc. | Hydrophobic carrier modified implants for beneficial agent delivery |
WO2007056667A2 (en) * | 2005-11-04 | 2007-05-18 | Rush University Medical Center | Plastic implant impregnated with an antibiotic |
ITMI20061375A1 (it) | 2006-07-14 | 2008-01-15 | Fabio Conteduca | Maeriale protesico sintetico a ridotta ossidabilita' e relativo processo di preparazione |
WO2008101116A1 (en) | 2007-02-14 | 2008-08-21 | Brigham And Women's Hospital, Inc. | Crosslinked polymers and methods of making the same |
CN101687942A (zh) | 2007-03-20 | 2010-03-31 | 施乐辉骨科用品股份公司 | 抗氧化的高度交联的uhmwpe |
US8641959B2 (en) | 2007-07-27 | 2014-02-04 | Biomet Manufacturing, Llc | Antioxidant doping of crosslinked polymers to form non-eluting bearing components |
US8586667B2 (en) * | 2008-05-13 | 2013-11-19 | Smith & Nephew Orthopaedics Ag | Oxidation resistant highly-crosslinked UHMWPE |
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JP2012517881A (ja) | 2012-08-09 |
CN102405066B (zh) | 2017-02-15 |
US8529937B2 (en) | 2013-09-10 |
EP2398515B1 (en) | 2018-09-05 |
US20120129948A1 (en) | 2012-05-24 |
CA2752956C (en) | 2017-02-28 |
WO2010096053A1 (en) | 2010-08-26 |
AU2015202926A1 (en) | 2015-06-18 |
EP2398515A1 (en) | 2011-12-28 |
CA2752956A1 (en) | 2010-08-26 |
CN102405066A (zh) | 2012-04-04 |
AU2015202926B2 (en) | 2017-07-13 |
AU2009340512A1 (en) | 2011-09-01 |
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