JP3999715B2 - 超音波処置装置 - Google Patents
超音波処置装置 Download PDFInfo
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- JP3999715B2 JP3999715B2 JP2003304709A JP2003304709A JP3999715B2 JP 3999715 B2 JP3999715 B2 JP 3999715B2 JP 2003304709 A JP2003304709 A JP 2003304709A JP 2003304709 A JP2003304709 A JP 2003304709A JP 3999715 B2 JP3999715 B2 JP 3999715B2
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- ultrasonic
- piezoelectric element
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- ultrasonic transducer
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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
- A61B17/22004—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 using mechanical vibrations, e.g. ultrasonic shock waves
- A61B17/22012—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 using mechanical vibrations, e.g. ultrasonic shock waves in direct contact with, or very close to, the obstruction or concrement
- A61B17/2202—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 using mechanical vibrations, e.g. ultrasonic shock waves in direct contact with, or very close to, the obstruction or concrement the ultrasound transducer being inside patient's body at the distal end of the catheter
-
- 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
- A61B17/320016—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
-
- 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
- A61B17/22004—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 using mechanical vibrations, e.g. ultrasonic shock waves
- A61B2017/22027—Features of transducers
-
- 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
- A61B2017/320089—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic node location
-
- 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
- A61B2017/320094—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with additional movable means for clamping or cutting tissue, e.g. with a pivoting jaw additional movable means performing clamping operation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/36—Image-producing devices or illumination devices not otherwise provided for
- A61B90/37—Surgical systems with images on a monitor during operation
- A61B2090/373—Surgical systems with images on a monitor during operation using light, e.g. by using optical scanners
Description
図4に示すように、フランジ部15aの周端部分をホーン15の軸方向に沿ってある程度長く成形し、この周面に軸方向に沿ってねじ部kを設け、振動子カバー18の先端部内周面に設けられるねじ孔mに螺合することにより、ホーン15のフランジ部15aを振動子カバー18に取付け固定できる。
すなわち、図15に示す超音波振動子22は、図17に示すように圧電素子37を径方向に分割して、各分割片fを図中矢印に示す方向に分極したあと、再び貼り合わせてねじり振動子37を構成している。このねじり振動子37をホーン15に取付けることにより、超音波振動子22のねじり振動を可能にしている。
被検体の管腔部内に図1に示す内視鏡1を先端部1Cから挿入し、照明系レンズ50で周囲を照らしながら、観察系レンズ13を介してビデオで観察する。患部を確認したら、内視鏡1の口金部4から超音波処置装置2を構成する超音波振動子22を挿入する。すなわち、ホーン15、振動子カバー18および可撓性シース3の順で、口金部4からチャンネル23内に挿入する。観察を継続しながら操作部6を前後方向に移動操作して、超音波による処置を行うとする処置部位にホーン15の先端処置部15bを当てる。
被検体の管腔部内に図1に示す内視鏡1を先端部1Cから挿入し、照明系レンズ50で周囲を照らしながら、観察系レンズ13を介してビデオで観察する。患部を確認したら、内視鏡1の口金部4から超音波処置装置2を構成する超音波振動子22を挿入する。すなわち、ホーン15、振動子カバー18および可撓性シース3の順で、口金部4からチャンネル23内に挿入する。観察を継続しながら操作部6を前後方向に移動操作して、超音波による処置を行うとする処置部位にホーン15の先端処置部15bを当てる。
被検体の管腔部内に図1に示す内視鏡1を先端部1Cから挿入し、照明系レンズ50で周囲を照らしながら、観察系レンズ13を介してビデオで観察する。患部を確認したら、内視鏡1の口金部4から超音波処置装置2を構成する超音波振動子22を挿入する。すなわち、ホーン15、振動子カバー18および可撓性シース3の順で、口金部4からチャンネル23内に挿入する。観察を継続しながら操作部6を前後方向に移動操作して、超音波による処置を行うとする処置部位にホーン15の先端処置部15bを当てる。
記
(付記項1) 超音波振動を発生させ、その超音波振動を先端処置部に伝達させることで被検体の処置をする超音波振動子と、超音波振動子の処置部以外を覆う振動子カバーと、前記振動子カバーの後端に接続された長尺の可撓性シースと、前記可撓性シースの一端に接続された操作部と、前記可撓性シースの内部に埋設され、前記超音波振動子に電気信号を伝達する配線ケーブルと、電気信号を発生して前記超音波振動子を駆動させる電源とを備えることを特徴とする超音波処置装置。
Claims (10)
- 生体組織を処置するための超音波振動を発生可能な圧電素子部と該圧電素子部に取り付けられかつ先端処置部を備えたホーンと前記超音波振動の節に位置する支持部とを有した超音波振動子と、
前記超音波振動子の圧電素子部を該圧電素子部の周囲に距離をおいて覆うとともに前記支持部を介して前記超音波振動子を支持するカバー部材と、
前記カバー部材に一端が連結される中空の可撓性シースと、
前記圧電素子部に一端が接続され、前記可撓性シースの内部に挿通されるとともに前記超音波振動子を駆動する駆動信号を発生するための超音波駆動手段から該駆動信号を前記圧電素子部に供給する信号ケーブルと、
前記可撓性シースの他端部に設けられ、操作者の操作に応じて前記カバー部材とともに前記超音波振動子を変位する操作が可能な操作部と、
を具備することを特徴とする超音波処置装置。 - 生体組織を処置するための超音波振動を発生可能な圧電素子部と該圧電素子部に取り付けられかつ先端処置部を備えたホーンと前記超音波振動の節に位置する支持部とを有した超音波振動子と、
前記超音波振動子の圧電素子部を該圧電素子部の周囲に距離をおいて覆うとともに前記支持部を介して前記超音波振動子を支持するカバー部材と、
前記カバー部材に一端が連結される中空の可撓性シースと、
前記圧電素子部に一端が接続され、前記可撓性シースの内部に挿通されるとともに前記超音波振動子を駆動する駆動信号を発生するための超音波駆動手段から該駆動信号を前記圧電素子部に供給する信号ケーブルと、
前記可撓性シースの他端部に設けられ、操作者の操作に応じて前記カバー部材とともに前記超音波振動子を変位する操作が可能な操作部と、
前記カバー部材に回動自在に設けられた鉗子部材と、
前記鉗子部材に一端が接続され、可撓性シースの内部に挿通される操作ワイヤと、
前記操作ワイヤの他端に接続され、該操作ワイヤを介して前記鉗子部材を操作可能なハンドル手段と、
を具備することを特徴とする超音波処置装置。 - 前記支持部は、前記ホーンに形成したフランジ部であることを特徴とする請求項1または請求項2に記載の超音波処置装置。
- 前記支持部は、前記カバー部材と一体に形成され、前記ホーンと前記圧電素子部との間に挟持される折り曲げ部であることを特徴とする請求項1または請求項2に記載の超音波処置装置。
- 前記カバー部材の後部は塞がれていることを特徴とする請求項1乃至請求項4のいずれかに記載の超音波処置装置。
- 前記カバー部材の前部は前記支持部によって塞がれていることを特徴とする請求項5に記載の超音波処置装置。
- 前記先端処置部の先端は前記超音波振動の腹に位置し、前記支持部は前記先端処置部の先端から前記超音波振動の1/4波長の距離に位置したことを特徴とする請求項1乃至請求項6のいずれかに記載の超音波処置装置。
- 前記支持部の位置より前記先端処置部側に位置する前記超音波振動子の部分を、前記先端処置部を残して囲む延出部を前記カバー部材から延出して設けたことを特徴とする請求項1、請求項2、請求項3、請求項5、請求項6または請求項7に記載の超音波処置装置。
- 前記鉗子部材は、前記超音波振動子の先端処置部との間に生体組織を挟持するように支持されることを特徴とする請求項2に記載の超音波処置装置。
- 前記鉗子部材は一対備えられ、前記超音波振動子の先端処置部に対向する部位の生体組織を挟持するように支持されることを特徴とする請求項2または請求項9に記載の超音波処置装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003304709A JP3999715B2 (ja) | 2003-08-28 | 2003-08-28 | 超音波処置装置 |
US10/925,374 US7449004B2 (en) | 2003-08-28 | 2004-08-24 | Ultrasonic treatment device and ultrasonic treatment system |
EP04020181A EP1510178B1 (en) | 2003-08-28 | 2004-08-25 | Ultrasonic treatment device and ultrasonic treatment system |
AT04020181T ATE511802T1 (de) | 2003-08-28 | 2004-08-25 | Ultraschallgerät und ultraschall- behandlungssystem |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003304709A JP3999715B2 (ja) | 2003-08-28 | 2003-08-28 | 超音波処置装置 |
Publications (2)
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JP2005073746A JP2005073746A (ja) | 2005-03-24 |
JP3999715B2 true JP3999715B2 (ja) | 2007-10-31 |
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JP2003304709A Expired - Fee Related JP3999715B2 (ja) | 2003-08-28 | 2003-08-28 | 超音波処置装置 |
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Country | Link |
---|---|
US (1) | US7449004B2 (ja) |
EP (1) | EP1510178B1 (ja) |
JP (1) | JP3999715B2 (ja) |
AT (1) | ATE511802T1 (ja) |
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