JP2005304685A - 超音波処置具 - Google Patents
超音波処置具 Download PDFInfo
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- JP2005304685A JP2005304685A JP2004124184A JP2004124184A JP2005304685A JP 2005304685 A JP2005304685 A JP 2005304685A JP 2004124184 A JP2004124184 A JP 2004124184A JP 2004124184 A JP2004124184 A JP 2004124184A JP 2005304685 A JP2005304685 A JP 2005304685A
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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
- A61B17/32—Surgical cutting instruments
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
- A61B17/320092—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with additional movable means for clamping or cutting tissue, e.g. with a pivoting jaw
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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
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2901—Details of shaft
- A61B2017/2902—Details of shaft characterized by features of the actuating rod
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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
- A61B17/32—Surgical cutting instruments
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
- A61B2017/320088—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with acoustic insulation, e.g. elements for damping vibrations between horn and surrounding sheath
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Abstract
【解決手段】可撓性を有する伝達部材3の先端へ超音波発生手段2が発生した超音波を伝達し、超音波処置を施す超音波処置具1。伝達部材の先端に処置部3aを設けると共に、処置部と係合して生体組織を把持し、操作ワイヤ6によって開閉される把持部材5を処置部に設け、処置部3aは、超音波の波長の略1/2の長さを有し、先端が超音波の振動における腹となり、超音波の伝達方向に直交する面における断面積を伝達部材3よりも大きくして剛性が付与され、把持部材5は、超音波の振動における節位置において処置部と係合され、操作ワイヤ6は、一端が把持部材に連結され、他端が操作部材に連結されて操作部材9によって操作される。
【選択図】 図1
Description
2 超音波振動子ユニット
3 可撓性プローブ
3a 処置部
3b 移行部
4 カバー部材
4a 取付面
4b 円筒部
4c 開口
5 鉗子
5c ピン
6 操作ワイヤ
7 シース
8 支持部材
9 操作ユニット
9a 支持筒
9b ガイド部材
9c 可動ハンドル
9d 固定ハンドル
9e,9f 指掛け孔
11 インナシース
12,13 防振部材
Claims (3)
- 可撓性を有する伝達部材の先端へ超音波発生手段が発生した超音波を伝達し、超音波処置を施す超音波処置具であって、
前記伝達部材の先端に処置部を設けると共に、前記処置部と係合して生体組織を把持し、操作ワイヤによって開閉される把持部材を前記処置部に設け、
前記処置部は、前記超音波の波長の略1/2の長さを有し、先端が前記超音波の振動における腹となり、前記超音波の伝達方向に直交する面における断面積を前記伝達部材よりも大きくして剛性が付与され、
前記把持部材は、前記超音波の振動における節位置において前記処置部と係合され、
前記操作ワイヤは、一端が前記把持部材に連結され、他端が操作部材に連結されて前記操作部材によって操作されることを特徴とする超音波処置具。 - 前記伝達部材は、シースによって覆われていることを特徴とする請求項1に記載の超音波処置具。
- 前記伝達部材は、前記超音波の振動における節位置に、前記シース内面と当接する防振部材が設けられていることを特徴とする請求項1又は2に記載の超音波処置具。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004124184A JP4291202B2 (ja) | 2004-04-20 | 2004-04-20 | 超音波処置具 |
EP04821907A EP1738703A4 (en) | 2004-04-20 | 2004-11-12 | ULTRASOUND TREATMENT TOOL |
PCT/JP2004/016877 WO2005102197A1 (ja) | 2004-04-20 | 2004-11-12 | 超音波処置具 |
US11/474,843 US20060247558A1 (en) | 2004-04-20 | 2006-06-26 | Ultrasonic treatment apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004124184A JP4291202B2 (ja) | 2004-04-20 | 2004-04-20 | 超音波処置具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005304685A true JP2005304685A (ja) | 2005-11-04 |
JP4291202B2 JP4291202B2 (ja) | 2009-07-08 |
Family
ID=35196697
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004124184A Expired - Lifetime JP4291202B2 (ja) | 2004-04-20 | 2004-04-20 | 超音波処置具 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20060247558A1 (ja) |
EP (1) | EP1738703A4 (ja) |
JP (1) | JP4291202B2 (ja) |
WO (1) | WO2005102197A1 (ja) |
Cited By (4)
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JP2009522053A (ja) * | 2006-01-05 | 2009-06-11 | エシコン・エンド−サージェリィ・インコーポレイテッド | 超音波医療器具 |
JP2010104656A (ja) * | 2008-10-31 | 2010-05-13 | Tokyo Metropolitan Univ | 超音波プローブ、超音波診断装置及び超音波診断方法 |
WO2014092108A1 (ja) * | 2012-12-13 | 2014-06-19 | オリンパスメディカルシステムズ株式会社 | 治療機器 |
WO2019224952A1 (ja) * | 2018-05-23 | 2019-11-28 | オリンパス株式会社 | 処置具のリプロセス方法 |
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Also Published As
Publication number | Publication date |
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JP4291202B2 (ja) | 2009-07-08 |
WO2005102197A1 (ja) | 2005-11-03 |
EP1738703A4 (en) | 2010-08-25 |
EP1738703A1 (en) | 2007-01-03 |
US20060247558A1 (en) | 2006-11-02 |
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