JP5623291B2 - 植込み可能器具用の分離機構 - Google Patents
植込み可能器具用の分離機構 Download PDFInfo
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- JP5623291B2 JP5623291B2 JP2010541553A JP2010541553A JP5623291B2 JP 5623291 B2 JP5623291 B2 JP 5623291B2 JP 2010541553 A JP2010541553 A JP 2010541553A JP 2010541553 A JP2010541553 A JP 2010541553A JP 5623291 B2 JP5623291 B2 JP 5623291B2
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- Prior art keywords
- electroactive polymer
- separation mechanism
- coil
- implantable device
- polymer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12099—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder
- A61B17/12109—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12099—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder
- A61B17/12109—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel
- A61B17/12113—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel within an aneurysm
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
- A61B17/1214—Coils or wires
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
- A61B17/1214—Coils or wires
- A61B17/12145—Coils or wires having a pre-set deployed three-dimensional shape
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B2017/1205—Introduction devices
- A61B2017/12054—Details concerning the detachment of the occluding device from the introduction device
- A61B2017/12068—Details concerning the detachment of the occluding device from the introduction device detachable by heat
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B2017/1205—Introduction devices
- A61B2017/12054—Details concerning the detachment of the occluding device from the introduction device
- A61B2017/12068—Details concerning the detachment of the occluding device from the introduction device detachable by heat
- A61B2017/12077—Joint changing shape upon application of heat, e.g. bi-metal or reversible thermal memory
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B2017/1205—Introduction devices
- A61B2017/12054—Details concerning the detachment of the occluding device from the introduction device
- A61B2017/1209—Details concerning the detachment of the occluding device from the introduction device detachable by electrical current or potential, e.g. electroactive polymer
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Reproductive Health (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Neurosurgery (AREA)
- Surgical Instruments (AREA)
Description
Claims (8)
- 植込み可能器具用の分離機構であって、
熱拡張率が互いに異なる2つ又は3つ以上の金属の積層ストリップを含み、前記積層ストリップは、半径方向に拡張可能な螺旋形状を有し、
前記金属の少なくとも1つは、熱又は電気エネルギーの付加時に形態を変化させ、
前記形態の変化により、植込み可能器具を放出し、
前記積層ストリップが前記植込み可能器具の管腔内に延びるとき、前記積層ストリップは、前記植込み可能器具の少なくとも一部分に直接接触する、分離機構。 - 前記形態の変化は、前記金属の少なくとも1つの直径及び/又は体積の減少を含む、請求項1に記載の分離機構。
- 前記形態の変化は、前記金属の少なくとも1つの直径及び/又は体積の拡大を含む、請求項1又は2に記載の分離機構。
- 前記形態の変化は、前記分離機構の反りを含む、請求項1〜3のいずれか1項に記載の分離機構。
- 形態を変化させる前記金属の少なくとも1つは、電気又は熱エネルギーの供給源に直接接触する、請求項1〜4のいずれか1項に記載の分離機構。
- 前記分離機構は、血管閉塞器具に直接係合する、請求項1〜5のいずれか1項に記載の分離機構。
- 前記分離機構は、前記植込み可能器具に取付けられた構造体に接触する、請求項1〜6のいずれか1項に記載の分離機構。
- 血管閉塞器具に分離可能に係合するように構成された分離機構であって、
熱拡張率が互いに異なる2つ又は3つ以上の金属の積層ストリップを有し、前記積層ストリップは、半径方向に拡張可能な螺旋形状を有し、前記金属の少なくとも1つは、電流又は熱の付加時に形態を変化させ、
更に、前記積層ストリップに電流又は熱を付加するための電気又は熱エネルギーの供給源を有する、分離機構。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1004808P | 2008-01-04 | 2008-01-04 | |
US61/010,048 | 2008-01-04 | ||
PCT/US2009/000017 WO2009088969A2 (en) | 2008-01-04 | 2009-01-05 | Detachment mechanisms for implantable devices |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011509119A JP2011509119A (ja) | 2011-03-24 |
JP5623291B2 true JP5623291B2 (ja) | 2014-11-12 |
Family
ID=40579107
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010541553A Active JP5623291B2 (ja) | 2008-01-04 | 2009-01-05 | 植込み可能器具用の分離機構 |
Country Status (4)
Country | Link |
---|---|
US (2) | US20090177261A1 (ja) |
EP (1) | EP2240093B1 (ja) |
JP (1) | JP5623291B2 (ja) |
WO (1) | WO2009088969A2 (ja) |
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US20050149108A1 (en) * | 2003-12-17 | 2005-07-07 | Microvention, Inc. | Implant delivery and detachment system and method |
US7582101B2 (en) * | 2006-02-28 | 2009-09-01 | Cordis Development Corporation | Heated mechanical detachment for delivery of therapeutic devices |
US7771451B2 (en) * | 2006-04-05 | 2010-08-10 | Boston Scientific Scimed, Inc. | Method and apparatus for the deployment of vaso-occlusive coils |
US7766896B2 (en) * | 2006-04-25 | 2010-08-03 | Boston Scientific Scimed, Inc. | Variable stiffness catheter assembly |
US20080287982A1 (en) * | 2007-05-16 | 2008-11-20 | Boston Scientific Scimed, Inc. | Catheters for electrolytically detachable embolic devices |
WO2010030348A1 (en) * | 2008-09-09 | 2010-03-18 | Boston Scientific Scimed, Inc. | Composite detachment mechanisms |
-
2009
- 2009-01-05 EP EP09701440.1A patent/EP2240093B1/en not_active Not-in-force
- 2009-01-05 US US12/319,255 patent/US20090177261A1/en not_active Abandoned
- 2009-01-05 WO PCT/US2009/000017 patent/WO2009088969A2/en active Application Filing
- 2009-01-05 JP JP2010541553A patent/JP5623291B2/ja active Active
-
2015
- 2015-02-23 US US14/629,392 patent/US10478192B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP2240093A2 (en) | 2010-10-20 |
EP2240093B1 (en) | 2013-04-24 |
WO2009088969A3 (en) | 2010-01-21 |
WO2009088969A2 (en) | 2009-07-16 |
JP2011509119A (ja) | 2011-03-24 |
US20090177261A1 (en) | 2009-07-09 |
US20170354419A1 (en) | 2017-12-14 |
US10478192B2 (en) | 2019-11-19 |
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