JP2010022863A - 粗合金製撚線から形成される取出装置 - Google Patents
粗合金製撚線から形成される取出装置 Download PDFInfo
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- JP2010022863A JP2010022863A JP2009252222A JP2009252222A JP2010022863A JP 2010022863 A JP2010022863 A JP 2010022863A JP 2009252222 A JP2009252222 A JP 2009252222A JP 2009252222 A JP2009252222 A JP 2009252222A JP 2010022863 A JP2010022863 A JP 2010022863A
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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
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
- A61B2017/00867—Material properties shape memory effect
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
- A61B2017/2212—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions having a closed distal end, e.g. a loop
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- Orthopedic Medicine & Surgery (AREA)
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Abstract
【解決手段】患者から異物を取出すための医療用取出装置(5)と取出装置の製造方法に関する。取出装置(5)は超弾性材料になる粗合金から形成されるワイヤ・ケーブル(2、2’)を含んでいて、取出装置による砕石術を改良する。粗合金は線形の応力−歪み関係と比較的高応力に関連づけられる降伏点とを示すので、取出装置は変形する前に応力を伝える。従って、取出装置によって、さらに大きい破砕力を得られる。破砕力は、異物が大きすぎて無傷で除去できないときに必要とされる。この特性によって、胆管内の取出装置が異物を取出すのを容易にできる。粗合金を使用することによって、取出装置を形成するのに使用されるケーブルを熱処理する必要性を排除できる。粗合金製ケーブル(2、2’)から形成される取出装置(5)は使用時に永久変形および巻き戻しされることがほとんどない。
【選択図】図3
Description
本願明細書に組み入れられていて本願明細書の一部を構成する添付図面は詳細な説明と共に本発明の好ましい実施形態を示していて、本発明の原理を示す役目を果たしている。
2 粗合金製コア用ワイヤ
3 ストランド
5 取出装置
6 バスケット
7 ノーズピース
Claims (12)
- 医療デバイスにおいて、
基端と先端とを備えた取出装置を具備し、該取出装置は前記先端と前記基端との間に延びる複数のワイヤを有しており、少なくとも一つの前記ワイヤは超弾性材料になる粗合金から形成されており、前記取出装置は患者の体内に挿入されて該患者の体内にて異物を捕獲する最終的なバスケット形状をなして形成されており、前記最終的なバスケット形状は熱処理無しで形成されている、医療デバイス。 - 前記取出装置は、前記患者の体内から前記異物を捕獲、粉砕して除去するようになっている請求項1に記載の医療デバイス。
- 前記少なくとも一つの前記ワイヤは、ケーブルを形成する複数のワイヤ式ストランドにより取囲まれている請求項1に記載の医療デバイス。
- 前記複数のワイヤ式ストランドは超弾性材料になる粗合金から形成されている請求項3に記載の医療デバイス。
- 前記複数のワイヤはコア用ワイヤを取囲んでケーブルを形成する請求項1に記載の医療デバイス。
- 前記取出装置は複数のケーブルを具備する請求項5に記載の医療デバイス。
- 前記コア用ワイヤは超弾性材料になる粗合金から形成されている請求項5に記載の医療デバイス。
- 前記複数のワイヤは少なくとも五つのワイヤを含む請求項1に記載の医療デバイス。
- 前記複数のケーブルは連結されて、前記バスケット形状を形成する請求項6に記載の医療デバイス。
- さらに、前記取出装置の前記先端に取付けられたノーズピースを具備する請求項1に記載の医療デバイス。
- 前記超弾性材料がニチノールである請求項1に記載の医療デバイス。
- 前記取出装置は選択的に展開または概ね折り畳まれるよう形成されている請求項1に記載の医療デバイス。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/427,553 US6217589B1 (en) | 1999-10-27 | 1999-10-27 | Retrieval device made of precursor alloy cable and method of manufacturing |
US09/427,553 | 1999-10-27 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2001536052A Division JP2003513697A (ja) | 1999-10-27 | 2000-10-26 | 粗合金製撚線から形成される取出装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010022863A true JP2010022863A (ja) | 2010-02-04 |
JP4847571B2 JP4847571B2 (ja) | 2011-12-28 |
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ID=23695358
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2001536052A Withdrawn JP2003513697A (ja) | 1999-10-27 | 2000-10-26 | 粗合金製撚線から形成される取出装置 |
JP2009252222A Expired - Fee Related JP4847571B2 (ja) | 1999-10-27 | 2009-11-02 | 粗合金製撚線から形成される取出装置 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2001536052A Withdrawn JP2003513697A (ja) | 1999-10-27 | 2000-10-26 | 粗合金製撚線から形成される取出装置 |
Country Status (9)
Country | Link |
---|---|
US (8) | US6217589B1 (ja) |
EP (1) | EP1150613B1 (ja) |
JP (2) | JP2003513697A (ja) |
AU (1) | AU778249B2 (ja) |
CA (1) | CA2355373C (ja) |
DE (1) | DE60040842D1 (ja) |
IL (1) | IL143972A0 (ja) |
WO (1) | WO2001034041A1 (ja) |
ZA (1) | ZA200105295B (ja) |
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2001
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2002
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2003
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2004
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2009
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2010
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-
2011
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US6402761B2 (en) | 2002-06-11 |
CA2355373A1 (en) | 2001-05-17 |
ZA200105295B (en) | 2002-07-25 |
US20110202066A1 (en) | 2011-08-18 |
EP1150613B1 (en) | 2008-11-19 |
AU778249B2 (en) | 2004-11-25 |
US20110009876A1 (en) | 2011-01-13 |
US20040068271A1 (en) | 2004-04-08 |
CA2355373C (en) | 2008-07-29 |
DE60040842D1 (de) | 2009-01-02 |
JP4847571B2 (ja) | 2011-12-28 |
US7972343B2 (en) | 2011-07-05 |
IL143972A0 (en) | 2002-04-21 |
US20020165557A1 (en) | 2002-11-07 |
US6814740B2 (en) | 2004-11-09 |
US20010034529A1 (en) | 2001-10-25 |
US20030105472A1 (en) | 2003-06-05 |
US8221434B2 (en) | 2012-07-17 |
EP1150613A1 (en) | 2001-11-07 |
US20050096668A1 (en) | 2005-05-05 |
JP2003513697A (ja) | 2003-04-15 |
WO2001034041A1 (en) | 2001-05-17 |
AU4609601A (en) | 2001-06-06 |
US6217589B1 (en) | 2001-04-17 |
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