JP4597133B2 - 薬物溶離電極を備えた装置及びその装置の製造方法 - Google Patents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/04—Electrodes
- A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
- A61N1/056—Transvascular endocardial electrode systems
- A61N1/0565—Electrode heads
- A61N1/0568—Electrode heads with drug delivery
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- Heart & Thoracic Surgery (AREA)
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- Radiology & Medical Imaging (AREA)
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Description
Claims (30)
- リード本体及び導電体を含む電気リードと、
前記導電体に結合された電極とを含み、
前記電極の表面に、その少なくとも一部に施されたコーティングが含まれ、そのコーティングに、3つ以上の層が含まれ、前記電極の表面に隣接かつ接触する第1の層は高分子下塗を含み、前記第1の層の上に付着かつ接触する第2の層が高分子基質及び少なくとも1つの薬物を含み、前記第2の層の上に付着かつ接触する第3の層が多孔性材料を含んでいることを特徴とする装置。 - 前記電極にらせん状先端が含まれることを特徴とする請求項1に記載の装置。
- 前記薬物に、抗不整脈薬、血管形成成長因子、抗炎症薬、抗増殖性薬、または、それらの組み合わせが含まれることを特徴とする請求項1または2に記載の装置。
- 前記抗炎症薬が、デキサメタソン、クロベタゾール、ベクロメタソン、または、それらの薬剤的に許容可能な塩であることを特徴とする請求項3に記載の装置。
- 前記抗炎症薬が、デキサメタソン、クロベタゾール、ベクロメタソン、または、それらの薬剤的に許容可能な塩であることを特徴とする請求項3に記載の装置。
- 前記高分子下塗がエチレン・ビニル・アルコールであることを特徴とする請求項1に記載の装置。
- 前記第3の層によって、前記基質からの薬物の放出が調整されることを特徴とする請求項1乃至6のいずれか一項に記載の装置。
- さらに、第4の層が含まれ、その第4の層に少なくとも1つの薬物が含まれることを特徴とする請求項1乃至6のいずれか一項に記載の装置。
- 前記第4の層の前記薬物に、抗不整脈薬、血管形成成長因子、抗炎症薬、抗増殖性薬、または、それらの組み合わせが含まれることを特徴とする請求項8に記載の装置。
- 前記抗炎症薬が、デキサメタソン、クロベタゾール、ベクロメタソン、または、それらの薬剤的に許容可能な塩であることを特徴とする請求項9に記載の装置。
- さらに、外側の層が含まれ、その外側の層に、少なくとも1つの薬物が含まれることを特徴とする請求項1乃至10のいずれか一項に記載の装置。
- 前記薬物に、抗不整脈薬、血管形成成長因子、抗炎症薬、抗増殖性薬、または、それらの組み合わせが含まれることを特徴とする請求項11に記載の装置。
- 前記抗炎症薬が、デキサメタソン、クロベタゾール、ベクロメタソン、または、それらの薬剤的に許容可能な塩であることを特徴とする請求項12に記載の装置。
- 前記第1の層が、前記電極のインピーダンスを機能的に高めるようになっていることを特徴とする請求項1乃至13のいずれか一項に記載の装置。
- さらに、前記リードに結合された電気パルス発生器が含まれ、前記電極の外側表面に、絶縁材料と少なくとも1つの薬剤を含む2つ以上の層がコーティングされることを特徴とする請求項1乃至14のいずれか一項に記載の装置。
- 前記第1の層が、薬物の規則正しい長期放出のため、高分子基質に前記薬物を含み、前記第2の層に1つの薬物だけが含まれていて、前記外側の層の薬物が、前記電極の埋め込み時に、組織にさらされることを特徴とする請求項11に記載の装置。
- 前記電極に螺旋体が含まれることを特徴とする請求項16に記載の装置。
- さらに、高分子下塗層を含む前記電極の表面にすぐ隣接した第3の層が含まれており、前記第1の層が前記高分子下塗層に隣接していることを特徴とする請求項16または17に記載の装置。
- 前記高分子基質内の前記薬物に、抗炎症薬が含まれることを特徴とする請求項16乃至18のいずれか一項に記載の装置。
- 前記高分子基質内の前記薬物に、抗増殖性薬が含まれることを特徴とする請求項16乃至18のいずれか一項に記載の装置。
- 高分子下塗を含む第1の層によって電極の表面にコーティングを施すステップと、
高分子及び少なくとも1つの薬物を含み、第1の層に隣接かつ接触する第2の層によって前記電極の表面にコーティングを施すステップと、
多孔性材料を含み、第2の層に隣接かつ接触する第3の層によって前記電極の表面にコーティングを施すステップとが含まれることを特徴とする方法。 - 前記薬物に、抗不整脈薬、血管形成成長因子、抗炎症薬、抗増殖性薬、または、それらの組み合わせが含まれることを特徴とする請求項21に記載の方法。
- 前記抗炎症薬が、デキサメタソン、クロベタゾール、ベクロメタソン、または、それらの薬剤的に許容可能な塩であることを特徴とする請求項22に記載の方法。
- 前記高分子下塗が、エチレン・ビニル・アルコールであることを特徴とする請求項21乃至23のいずれか一項に記載の方法。
- 前記第3の層によって、前記第2の層からの前記薬物の放出が調整されることを特徴とする請求項21乃至24のいずれか一項に記載の方法。
- さらに、外側の層が含まれ、前記外側の層に、少なくとも1つの薬物が含まれることを特徴とする請求項21乃至25のいずれか一項に記載の方法。
- 前記薬物に、抗不整脈薬、血管形成成長因子、抗炎症薬、抗増殖性薬、または、それらの組み合わせが含まれることを特徴とする請求項26に記載の方法。
- 前記抗炎症薬が、デキサメタソン、クロベタゾール、ベクロメタソン、または、それらの薬剤的に許容可能な塩であることを特徴とする請求項27に記載の方法。
- 前記コーティングが、少なくとも1つの高分子と少なくとも1つの薬物を含む塗料に螺旋体の外部を接触させることによって施されることを特徴とする請求項21乃至28のいずれか一項に記載の方法。
- 前記接触に吹き付けが含まれることを特徴とする請求項29に記載の方法。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/675,920 US7953499B2 (en) | 2003-09-30 | 2003-09-30 | Drug-eluting electrode |
| PCT/US2004/032064 WO2005032649A1 (en) | 2003-09-30 | 2004-09-30 | Drug-eluting electrode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2007507303A JP2007507303A (ja) | 2007-03-29 |
| JP4597133B2 true JP4597133B2 (ja) | 2010-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006534073A Expired - Fee Related JP4597133B2 (ja) | 2003-09-30 | 2004-09-30 | 薬物溶離電極を備えた装置及びその装置の製造方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7953499B2 (ja) |
| EP (1) | EP1670543B1 (ja) |
| JP (1) | JP4597133B2 (ja) |
| AT (1) | ATE532556T1 (ja) |
| WO (1) | WO2005032649A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7953499B2 (en) | 2003-09-30 | 2011-05-31 | Cardiac Pacemakers, Inc. | Drug-eluting electrode |
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| US7720550B2 (en) * | 2004-12-03 | 2010-05-18 | Medtronic, Inc. | High impedance active fixation electrode of an electrical medical lead |
| DE102004062394B4 (de) * | 2004-12-23 | 2008-05-29 | Siemens Ag | Intravenöse Herzschrittmacherelektrode und Verfahren zu deren Herstellung |
| US20060235499A1 (en) | 2005-04-14 | 2006-10-19 | Cardiac Pacemakers, Inc. | Coated lead fixation electrode |
| US7477946B2 (en) | 2005-04-26 | 2009-01-13 | Cardiac Pacemakers, Inc. | Fixation device for coronary venous lead |
| US8175724B2 (en) * | 2005-04-26 | 2012-05-08 | Cardiac Pacemakers, Inc. | Vascular fixation device |
| US20070051531A1 (en) * | 2005-09-08 | 2007-03-08 | Harshad Borgaonkar | Drug eluting coatings for a medical lead and method therefor |
| DE602006009712D1 (de) * | 2006-03-02 | 2009-11-19 | St Jude Medical | Medizinische implantierbare leitung und verfahren zu ihrer herstellung |
| AR059786A1 (es) * | 2006-03-09 | 2008-04-30 | Med El Elektromed Geraete Gmbh | Configuracion de electrodo de implante coclear para eluir farmacos |
| US7881808B2 (en) * | 2006-03-29 | 2011-02-01 | Cardiac Pacemakers, Inc. | Conductive polymeric coating with optional biobeneficial topcoat for a medical lead |
| DE102006015013B4 (de) * | 2006-03-31 | 2010-06-02 | Siemens Ag | Implantierbarer Herzschrittmacher |
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| US8000810B2 (en) * | 2007-03-20 | 2011-08-16 | Cardiac Pacemakers, Inc. | Systems and methods for transvenous lead implantation |
| JP2012506725A (ja) * | 2008-10-23 | 2012-03-22 | カーディアック ペースメイカーズ, インコーポレイテッド | Mri条件付き安全性に影響を及ぼす埋め込み型医療デバイス構成の変更を検出するシステムおよびその検出方法 |
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2003
- 2003-09-30 US US10/675,920 patent/US7953499B2/en not_active Expired - Fee Related
-
2004
- 2004-09-30 JP JP2006534073A patent/JP4597133B2/ja not_active Expired - Fee Related
- 2004-09-30 WO PCT/US2004/032064 patent/WO2005032649A1/en not_active Ceased
- 2004-09-30 AT AT04785284T patent/ATE532556T1/de active
- 2004-09-30 EP EP04785284A patent/EP1670543B1/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7953499B2 (en) | 2003-09-30 | 2011-05-31 | Cardiac Pacemakers, Inc. | Drug-eluting electrode |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1670543B1 (en) | 2011-11-09 |
| US7953499B2 (en) | 2011-05-31 |
| EP1670543A1 (en) | 2006-06-21 |
| WO2005032649A8 (en) | 2006-05-26 |
| JP2007507303A (ja) | 2007-03-29 |
| WO2005032649A1 (en) | 2005-04-14 |
| ATE532556T1 (de) | 2011-11-15 |
| US20050070985A1 (en) | 2005-03-31 |
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