JP4296141B2 - 内視鏡用高周波処置具 - Google Patents
内視鏡用高周波処置具 Download PDFInfo
- Publication number
- JP4296141B2 JP4296141B2 JP2004257892A JP2004257892A JP4296141B2 JP 4296141 B2 JP4296141 B2 JP 4296141B2 JP 2004257892 A JP2004257892 A JP 2004257892A JP 2004257892 A JP2004257892 A JP 2004257892A JP 4296141 B2 JP4296141 B2 JP 4296141B2
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- frequency electrode
- treatment instrument
- endoscope
- frequency treatment
- 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.)
- Expired - Fee Related
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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
-
- 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
- A61B2018/00053—Mechanical features of the instrument of device
- A61B2018/00107—Coatings on the energy applicator
- A61B2018/00148—Coatings on the energy applicator with metal
-
- 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
- A61B2018/1405—Electrodes having a specific shape
- A61B2018/1407—Loop
-
- 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
- A61B2018/1405—Electrodes having a specific shape
- A61B2018/1422—Hook
-
- 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
- A61B2018/1405—Electrodes having a specific shape
- A61B2018/144—Wire
Landscapes
- 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)
- Endoscopes (AREA)
Description
図1は、本発明の第1の実施例の内視鏡用高周波処置具の先端部分を示しており、図示されていない内視鏡の処置具挿通チャンネルに挿脱される例えば四フッ化エチレン樹脂チューブ等のような電気絶縁性のある可撓性チューブからなるシース1内に、導電性のある例えばステンレス鋼線からなる操作ワイヤ2が、軸線方向に進退自在に全長にわたって挿通配置されている。
2 操作ワイヤ
4,4′,4″,4° 高周波電極
A 金メッキ(被膜)
Claims (3)
- 内視鏡の処置具挿通チャンネルに挿脱される電気絶縁性のシースの先端に、生体に接触させてその生体側の接触面を焼灼するための高周波電極が配置された内視鏡用高周波処置具であって、
上記高周波電極が、弾性ワイヤによりループ状に形成されたループ部の最先端部分に前方に突出する突出部を備えたものにおいて、
上記高周波電極の突出部に、金又は白金属の金属又は合金からなる被膜が形成され、上記ループ部には上記被膜が施されていないことを特徴とする内視鏡用高周波処置具。 - 上記高周波電極がステンレス鋼又はタングステン合金によって形成されている請求項1記載の内視鏡用高周波処置具。
- 上記被膜が、メッキ、蒸着又はイオンプレーティングにより形成されている請求項1又は2記載の内視鏡用高周波処置具。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004257892A JP4296141B2 (ja) | 2004-09-06 | 2004-09-06 | 内視鏡用高周波処置具 |
US11/218,778 US20060050143A1 (en) | 2004-09-06 | 2005-09-06 | High-frequency treatment tool for endoscope |
DE102005042312A DE102005042312A1 (de) | 2004-09-06 | 2005-09-06 | Hochfrequenz-Behandlungsinstrument für ein Endoskop |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004257892A JP4296141B2 (ja) | 2004-09-06 | 2004-09-06 | 内視鏡用高周波処置具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006068407A JP2006068407A (ja) | 2006-03-16 |
JP4296141B2 true JP4296141B2 (ja) | 2009-07-15 |
Family
ID=35852772
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004257892A Expired - Fee Related JP4296141B2 (ja) | 2004-09-06 | 2004-09-06 | 内視鏡用高周波処置具 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20060050143A1 (ja) |
JP (1) | JP4296141B2 (ja) |
DE (1) | DE102005042312A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010041629A1 (ja) * | 2008-10-07 | 2010-04-15 | オリンパスメディカルシステムズ株式会社 | 血流検出装置 |
JP2010227365A (ja) * | 2009-03-27 | 2010-10-14 | Olympus Corp | 医療機器用電極および医療用処置具 |
US10299855B2 (en) | 2009-06-16 | 2019-05-28 | Karl Storz Se & Co. Kg | Medical coagulation instrument |
DE102009025405A1 (de) * | 2009-06-16 | 2010-12-23 | Karl Storz Gmbh & Co. Kg | Medizinisches Koagulationsinstrument |
JP5463210B2 (ja) * | 2010-06-07 | 2014-04-09 | 富士フイルム株式会社 | 内視鏡システム |
DE102015014088A1 (de) * | 2015-11-03 | 2017-05-04 | OLYMPUS Winter & lbe GmbH | Hochfrequenzwerkzeug für medizinische Resektoskope |
EP3871585A1 (en) | 2020-02-28 | 2021-09-01 | Gyrus ACMI, Inc. d/b/a Olympus Surgical Technologies America | Electrosurgical attachment device |
WO2022011177A2 (en) * | 2020-07-08 | 2022-01-13 | Procept Biorobotics Corporation | Hemostasis methods and apparatuses |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5976129A (en) * | 1991-10-18 | 1999-11-02 | Desai; Ashvin H. | Endoscopic surgical instrument |
US6770071B2 (en) * | 1995-06-07 | 2004-08-03 | Arthrocare Corporation | Bladed electrosurgical probe |
JP3445070B2 (ja) * | 1996-08-30 | 2003-09-08 | 栃木富士産業株式会社 | デファレンシャル装置 |
JP3417778B2 (ja) * | 1997-01-17 | 2003-06-16 | ペンタックス株式会社 | 内視鏡用処置具 |
JP3730757B2 (ja) * | 1997-07-30 | 2006-01-05 | オリンパス株式会社 | 内視鏡用処置具 |
US6193717B1 (en) * | 1997-10-16 | 2001-02-27 | Asahi Kogaku Kogyo Kabushiki Kaisha | Treating instrument for endoscope |
US6174309B1 (en) * | 1999-02-11 | 2001-01-16 | Medical Scientific, Inc. | Seal & cut electrosurgical instrument |
US6743206B1 (en) * | 2000-03-07 | 2004-06-01 | Syntheon, Llc | Endoscopic needle |
JP3989170B2 (ja) * | 2000-10-05 | 2007-10-10 | オリンパス株式会社 | 高周波処置具 |
US7497826B2 (en) * | 2003-08-27 | 2009-03-03 | Hoya Corporation | Endoscopic high-frequency knife |
JP4441227B2 (ja) * | 2003-10-08 | 2010-03-31 | Hoya株式会社 | 高周波処置用内視鏡 |
JP4495438B2 (ja) * | 2003-10-14 | 2010-07-07 | Hoya株式会社 | 内視鏡用高周波処置具 |
JP4296082B2 (ja) * | 2003-12-10 | 2009-07-15 | Hoya株式会社 | 内視鏡用高周波スネア |
US7527625B2 (en) * | 2004-08-04 | 2009-05-05 | Olympus Corporation | Transparent electrode for the radiofrequency ablation of tissue |
-
2004
- 2004-09-06 JP JP2004257892A patent/JP4296141B2/ja not_active Expired - Fee Related
-
2005
- 2005-09-06 DE DE102005042312A patent/DE102005042312A1/de not_active Withdrawn
- 2005-09-06 US US11/218,778 patent/US20060050143A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
JP2006068407A (ja) | 2006-03-16 |
US20060050143A1 (en) | 2006-03-09 |
DE102005042312A1 (de) | 2006-03-09 |
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