JP5297371B2 - 電気外科手術切除装置 - Google Patents
電気外科手術切除装置 Download PDFInfo
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- JP5297371B2 JP5297371B2 JP2009502994A JP2009502994A JP5297371B2 JP 5297371 B2 JP5297371 B2 JP 5297371B2 JP 2009502994 A JP2009502994 A JP 2009502994A JP 2009502994 A JP2009502994 A JP 2009502994A JP 5297371 B2 JP5297371 B2 JP 5297371B2
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- 238000002679 ablation Methods 0.000 claims description 76
- 238000000034 method Methods 0.000 claims description 41
- 238000002271 resection Methods 0.000 claims description 14
- 238000005520 cutting process Methods 0.000 claims description 3
- 229910001092 metal group alloy Inorganic materials 0.000 claims description 3
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Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B18/1492—Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart ablation
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Medical Informatics (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Cardiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Description
本出願は、本明細書中に参考として組み込まれている2006年3月31日出願の米国仮出願第60/788,207号の優先権を主張するものである。
Claims (13)
- 電気外科手術発電機と連結するように構成されている、近位端、遠位端、および近位端から遠位端に伸びる少なくとも2つのルーメンを有するカテーテル;ならびに
カテーテルのルーメン内に移動可能に配置された少なくとも2つの導電性切除ワイヤーであって、各導電性切除ワイヤーが引っ込めた位置と伸ばした切除位置との間を動くことができ、引っ込めた位置にあるときには、各導電性切除ワイヤーの遠位部位が別々のルーメン内に位置し、伸ばした切除位置にあるときには、各導電性切除ワイヤーの遠位部位が別々のルーメンから外に向かってカテーテルの遠位端を越えて遠位方向に伸長するようにされた導電性切除ワイヤー、を備え、
各ルーメンの遠位部位には、各導電性切除ワイヤーが伸ばした切除位置にあるときに、各導電性切除ワイヤーの遠位部位をカテーテルの長手軸線に対して角度が付けられた通路に沿ってガイドして分岐型形態を形成するようにした傾斜した通路が設けられており、
傾斜した通路は、カテーテルの遠位端および導電性切除ワイヤーの両方に対して独立して移動可能としたアクチュエータによって、導電性切除ワイヤーの分岐型形態を変更するように調節されるようにされており、アクチュエータの移動は導電性切除ワイヤーの移動とは別に制御できるようになっている、電気外科手術切除装置。 - カテーテルの近位端に操作可能に接続された、引っ込めた位置と伸ばした切除位置との間で導電性切除ワイヤーを操作するように構成されているハンドルをさらに含む、請求項1に記載の電気外科手術切除装置。
- ハンドルが、カテーテルの近位部分に固定されているステム上に摺動可能に配置された摺動部材を含む、請求項2に記載の電気外科手術切除装置。
- ハンドルが導電性切除ワイヤーに電流を供給するための電気外科手術発電機に連結されている、請求項2に記載の電気外科手術装置。
- カテーテルの近位端から遠位端に伸長可能な皮下注射針をさらに含む、請求項1乃至4のいずれか一項に記載の電気外科手術切除装置。
- 少なくとも2つの導電性切除ワイヤーのそれぞれが、引っ込めた位置にある場合に、カテーテルの遠位端内に配置され、互いに平行である、請求項1乃至5のいずれか一項に記載の電気外科手術切除装置。
- 少なくとも2つの導電性切除ワイヤーのそれぞれが、近位部分と遠位先端との間の非絶縁部分、絶縁された近位部分および遠位先端をさらに含み、非絶縁部分が組織の切除に適応している、請求項1乃至6のいずれか一項に記載の電気外科手術装置。
- 少なくとも2つの導電性切除ワイヤーのそれぞれの遠位先端がセラミックで絶縁されている、請求項7に記載の電気外科手術装置。
- 少なくとも2つの導電性切除ワイヤーのそれぞれの遠位部位の近位部分がポリテトラフルオロエチレンで絶縁されている、請求項1乃至8のいずれか一項に記載の電気外科手術装置。
- 少なくとも2つの導電性切除ワイヤーのそれぞれが金属合金から形成される、請求項1乃至9のいずれか一項に記載の電気外科手術装置。
- カテーテルの長さが150センチメートル〜220センチメートルであり、直径の範囲が2mm(6フレンチ)〜2.3mm(7フレンチ)である、請求項1乃至10のいずれか一項に記載の電気外科手術装置。
- 少なくとも2つの導電性切除ワイヤーのそれぞれの遠位部位が近位部分および遠位先端で絶縁されている、請求項1乃至11のいずれか一項に記載の電気外科手術装置。
- 少なくとも2つの導電性切除ワイヤーのそれぞれが分岐型形態へと付勢されている、請求項1乃至12のいずれか一項に記載の電気外科手術装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US78820706P | 2006-03-31 | 2006-03-31 | |
US60/788,207 | 2006-03-31 | ||
PCT/US2007/007762 WO2007126949A1 (en) | 2006-03-31 | 2007-03-28 | Electrosurgical cutting device |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009532094A JP2009532094A (ja) | 2009-09-10 |
JP5297371B2 true JP5297371B2 (ja) | 2013-09-25 |
Family
ID=38434001
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009502994A Expired - Fee Related JP5297371B2 (ja) | 2006-03-31 | 2007-03-28 | 電気外科手術切除装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20080015574A1 (ja) |
EP (1) | EP2012695B1 (ja) |
JP (1) | JP5297371B2 (ja) |
AU (1) | AU2007245051A1 (ja) |
CA (1) | CA2647691C (ja) |
WO (1) | WO2007126949A1 (ja) |
Families Citing this family (6)
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US7867228B2 (en) * | 2006-04-28 | 2011-01-11 | Ethicon Endo-Surgery, Inc. | Apparatus and method for performing an endoscopic mucosal resection |
US7651491B2 (en) * | 2006-04-28 | 2010-01-26 | Ethicon Endo-Surgery, Inc. | Method for performing an endoscopic mucosal resection |
US20070255278A1 (en) * | 2006-04-28 | 2007-11-01 | Nobis Rudolph H | Apparatus and method for deploying a cutting element during an endoscopic mucosal resection |
US20070270643A1 (en) * | 2006-05-19 | 2007-11-22 | Ifung Lu | Lumen stabilizer for endoscopic mucosal resection |
US10869670B2 (en) * | 2018-03-26 | 2020-12-22 | Olympus Corporation | Procedure for endoscopic full-thickness resection |
IT202100024116A1 (it) * | 2021-09-20 | 2023-03-20 | Enki Srl | Dispositivo e metodo di sgancio di un filo da un tubo |
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2007
- 2007-03-28 JP JP2009502994A patent/JP5297371B2/ja not_active Expired - Fee Related
- 2007-03-28 AU AU2007245051A patent/AU2007245051A1/en not_active Abandoned
- 2007-03-28 US US11/729,402 patent/US20080015574A1/en not_active Abandoned
- 2007-03-28 WO PCT/US2007/007762 patent/WO2007126949A1/en active Application Filing
- 2007-03-28 CA CA2647691A patent/CA2647691C/en active Active
- 2007-03-28 EP EP07754304.9A patent/EP2012695B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20080015574A1 (en) | 2008-01-17 |
JP2009532094A (ja) | 2009-09-10 |
WO2007126949A1 (en) | 2007-11-08 |
CA2647691C (en) | 2014-07-08 |
AU2007245051A1 (en) | 2007-11-08 |
EP2012695A1 (en) | 2009-01-14 |
CA2647691A1 (en) | 2007-11-08 |
EP2012695B1 (en) | 2015-07-22 |
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