JP2015524882A - 医療用リードのための向上した低摩擦コーティングおよび製造方法 - Google Patents
医療用リードのための向上した低摩擦コーティングおよび製造方法 Download PDFInfo
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Abstract
Description
実施例4では、実施例1〜実施例3のいずれかによる方法において、該シリコーン基板上にコーティングを形成することは、該シリコーン基板の内側面にコーティングを形成することを含む。
実施例10において、患者への挿入または植え込みのための医療装置を形成する方法が提供される。該方法は、チャンバ内にシリコーン基板を配置することと、該シリコーン基板の表面の少なくとも一部にフリーラジカルを形成することと、シリコーン含有化合物を、約200ミリトール(mtorr)(約2.666kPa)以下のチャンバ圧力で、該シリコーン基板上にプラズマ化学気相成長(PECVD)させて、コーティングを施した基板を形成することとを含む。
実施例12では、実施例10または実施例11による方法において、該シリコーン含有化合物は、オクタメチルテトラシクロシロキサン(OMCTS)を含む。
実施例19では、実施例10〜実施例18のいずれかによる方法において、PECVDは、コーティングを形成し、そのコーティングは、少なくとも約20原子量パーセントのシリコーンを含み、その少なくとも約30原子量パーセントはシリカ酸化状態にある。
多数の実施形態が開示されているが、当業者には、本発明のさらに他の実施形態は、本発明の例示的な実施形態を示しおよび説明する以下の詳細な説明から明らかになるであろう。したがって、図面および詳細な説明は、本質的に例示的であり、制限的ではないと見なすべきである。
リード本体120は、概してフレキシブルであるが、実質的には、その長さに沿って非圧縮性である。リード本体120は、適当などのような断面形状を有していてもよい。例えば、いくつかの実施形態において、リード本体120は、実質的に円形の断面を有していてもよい。いくつかの実施形態において、リード本体120は、植え込みのための適当などのようなサイズから成っていてもよい。いくつかの実施形態において、リード本体120は、実質的に円形の断面を有していてもよい。
(実験に関するセクション)
(コーティング組成−サンプル1〜3)
サンプル1〜3は、本願明細書に開示されているPECVDコーティングを有するシリコーンチューブと、市販のシリコーンコーティングを有するシリコーンチューブおよびコーティングされていないシリコーンチューブと比較したものである。これらのサンプルを、滅菌および温度サイクルプロセスの前後で比較して、該コーティングに対する熱の影響を測定した。
サンプル1および2を滅菌のためにエチレンオキシドに曝した。滅菌後、サンプル1および2を、最大で1時間という最小ドウェル時間で、−30℃〜60℃の5度の温度サイクルに曝した。滅菌および温度サイクル後のサンプルをサンプル1Sおよびサンプル2Sとする。
Claims (15)
- 患者への挿入または植え込みのための医療装置を形成する方法であって、
チャンバ内で、シリコーン基板をプラズマに曝すことと、
前記シリコーン基板をプラズマに曝した後に、約200ミリトール(mtorr)(約2.666kPa)以下のチャンバ圧力で、環状シリコーン含有化合物のプラズマ化学気相成長法(PECVD)によって、前記シリコーン基板上にコーティングを形成することであって、前記コーティングが、少なくとも約20原子量パーセントのシリコーンを含み、その少なくとも30原子量パーセントはシリカ酸化状態にあることと、
を具備する方法。 - 前記シリコーン含有化合物は、オクタメチルテトラシクロシロキサン(OMCTS)を含む、請求項1に記載の方法。
- 前記PECVDは、約20ミリトール(mtorr)(約266.6Pa)以下のチャンバ圧力で行われる、請求項1に記載の方法。
- 前記シリコーン基板上にコーティングを形成することは、前記シリコーン基板の内側面に前記コーティングを形成することを含む、請求項1に記載の方法。
- コーティングを形成することは、酸素、アルゴン、テトラフルオロメタン(CF4)、三フッ化窒素(NF3)およびこれらの組合せから成る群から選択された少なくとも1つの要素を含むガスからプラズマを生成することを含む、請求項1に記載の方法。
- コーティングを形成することは、約20ミリトール(mtorr)(約266.6Pa)以下のチャンバ圧力で、前記シリコーン含有化合物を前記シリコーン基板上にPECVD成長させることを含む、請求項1に記載の方法。
- 前記コーティングを施された基板は、前記シリコーン基板の動摩擦係数よりも少なくとも約70%小さい動摩擦係数を有する、請求項1に記載の方法。
- 前記コーティングが施されたシリコーン基板は、−30℃〜60℃の5つの温度サイクルの後で、前記シリコーン基板の動摩擦係数よりも少なくとも約70%小さい動摩擦係数を有する、請求項1に記載の方法。
- 前記PECVDは、約50マイクロメートル以下の厚さを有するコーティングを形成する、請求項1に記載の方法。
- 前記PECVDは、前記シリコーン基板の内側面にコンフォーマルコーティングを形成する、請求項1に記載の方法。
- シリコーン基板と、
前記シリコーン基板上の環状シリコーン含有化合物を含む、プラズマ化学気相成長法(PECVD)で成長させたコーティングであって、前記コーティングが、前記シリコーン基板の摩擦係数を、少なくとも70%低減するコーティングと、
を具備する植え込み型または挿入可能な医療装置。 - 前記コーティングが、少なくとも約20原子量パーセントのシリコーンを含み、その少なくとも30原子量パーセントはシリカ酸化状態にある、請求項11に記載の植え込み型または挿入可能な医療装置。
- 前記シリコーン含有化合物は、SiOxの化学量論を満たし、ただし、xは、約1.6〜約1.8である、請求項11に記載の植え込み型または挿入可能な医療装置。
- 前記環状シリコーン含有化合物は、オクタメチルテトラシクロシロキサン(OMCTS)を含む、請求項11に記載の植え込み型または挿入可能な医療装置。
- 前記コーティングは、約500ナノメートル以下の厚さを有する、請求項11に記載の植え込み型または挿入可能な医療装置。
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PCT/US2013/054350 WO2014035639A1 (en) | 2012-08-29 | 2013-08-09 | Enhanced low friction coating for medical leads and methods of making |
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EP (2) | EP3459570B1 (ja) |
JP (1) | JP5956074B2 (ja) |
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WO2011143329A2 (en) * | 2010-05-12 | 2011-11-17 | Cv Holdings, Llc | Lubricity vessel coating, coating process and apparatus |
JP2013528117A (ja) * | 2010-05-12 | 2013-07-08 | エスアイオーツー・メディカル・プロダクツ・インコーポレイテッド | 潤滑性容器被覆材、被覆処理および装置 |
WO2011159975A1 (en) * | 2010-06-17 | 2011-12-22 | Becton, Dickinson And Company | Medical components having coated surfaces exhibiting low friction and low reactivity |
Cited By (2)
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US9737905B2 (en) | 2012-08-29 | 2017-08-22 | Cardiac Pacemakers, Inc. | Enhanced low friction coating for medical leads and methods of making |
JP2017524069A (ja) * | 2014-04-22 | 2017-08-24 | ユーロプラズマ エンヴェー | プラズマディフューザー |
Also Published As
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US20140067028A1 (en) | 2014-03-06 |
US20160030975A1 (en) | 2016-02-04 |
EP3459570B1 (en) | 2021-03-10 |
AU2013309311A1 (en) | 2015-02-05 |
US9737905B2 (en) | 2017-08-22 |
EP2890414B1 (en) | 2019-01-16 |
AU2013309311B2 (en) | 2015-06-25 |
CN104684592A (zh) | 2015-06-03 |
US9180289B2 (en) | 2015-11-10 |
CN104684592B (zh) | 2017-07-14 |
JP5956074B2 (ja) | 2016-07-20 |
EP2890414A1 (en) | 2015-07-08 |
WO2014035639A1 (en) | 2014-03-06 |
EP3459570A1 (en) | 2019-03-27 |
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