JPWO2014092108A1 - 治療機器 - Google Patents
治療機器 Download PDFInfo
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- JPWO2014092108A1 JPWO2014092108A1 JP2014548227A JP2014548227A JPWO2014092108A1 JP WO2014092108 A1 JPWO2014092108 A1 JP WO2014092108A1 JP 2014548227 A JP2014548227 A JP 2014548227A JP 2014548227 A JP2014548227 A JP 2014548227A JP WO2014092108 A1 JPWO2014092108 A1 JP WO2014092108A1
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- 230000005540 biological transmission Effects 0.000 claims abstract description 68
- 230000005484 gravity Effects 0.000 claims description 4
- 230000001225 therapeutic effect Effects 0.000 claims description 2
- 239000000523 sample Substances 0.000 description 88
- 238000010586 diagram Methods 0.000 description 15
- 230000004048 modification Effects 0.000 description 8
- 238000012986 modification Methods 0.000 description 8
- 230000007704 transition Effects 0.000 description 6
- 238000007789 sealing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 210000004204 blood vessel Anatomy 0.000 description 3
- 238000009210 therapy by ultrasound Methods 0.000 description 3
- 210000000683 abdominal cavity Anatomy 0.000 description 2
- 210000003815 abdominal wall Anatomy 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 102000004169 proteins and genes Human genes 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000002674 endoscopic surgery Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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- 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
- A61B18/1442—Probes having pivoting end effectors, e.g. forceps
- A61B18/1445—Probes having pivoting end effectors, e.g. forceps at the distal end of a shaft, e.g. forceps or scissors at the end of a rigid rod
-
- 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
- A61B2017/320071—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with articulating means for working tip
-
- 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
- A61B2017/320093—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 cutting operation
-
- 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
- A61B2017/320095—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with additional movable means for clamping or cutting tissue, e.g. with a pivoting jaw with sealing or cauterizing means
-
- 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
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00589—Coagulation
-
- 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
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/0063—Sealing
Abstract
Description
本発明の第1の実施形態について図面を参照して説明する。本実施形態に係る処置装置10の概略を図1に示す。この図に示されるように、処置装置10は、処置部100と、シャフト190と、操作部200と、電源ユニット300とを備える。以降説明のため、処置部100側を先端側、操作部200側を基端側と称することにする。図1において、処置部100と、シャフト190と、操作部200とは、それらの側面図が示されている。処置部100と、シャフト190と、操作部200との上面図を図2に示す。
本発明の第1の実施形態の変形例について説明する。ここでは、第1の実施形態との相違点について説明し、同一の部分については、同一の符号を付してその説明を省略する。本変形例に係る超音波振動子110及び超音波伝達部材135の断面図を図11に、上面図を図12に示す。この図に示されるように、本変形例に係るプローブ140は、第1の実施形態に係るプローブ140よりも基端側が太い。また、本変形例に係るプローブ140は、基端側でU字型の溝の深さが深くなるように、溝底部が中心軸に対して傾いている。
本発明の第2の実施形態について説明する。ここでは、第2の実施形態との相違点について説明し、同一の部分については、同一の符号を付してその説明を省略する。本実施形態に係る超音波伝達部材135等の形状を図13及び図14に示す。図13は、超音波伝達部材135等の形状を示す斜視図であり、図14は、超音波伝達部材135等を先端側から見た正面図である。これら図に示されるように、本実施形態に係るプローブ140は、四角柱形状をしている。ここで、図13に矢印で示された荷重方向のプローブ140の長さを高さhとし、荷重方向及び中心軸と垂直な方向の長さを幅bとする。このとき、処置部であるプローブ140の荷重方向に係る断面2次モーメントI1は、I1=(b・h3)/12で表される。また、処置部であるプローブ140の中心軸と垂直な面の断面積A1は、A1=b・hで表される。したがって、I1/A1 2=h/12bである。
本発明の第3の実施形態について説明する。ここでは、第1の実施形態との相違点について説明し、同一の部分については、同一の符号を付してその説明を省略する。本実施形態に係る超音波伝達部材135等の形状を図15及び図16に示す。図15は、超音波伝達部材135等の形状を示す斜視図であり、図16は、超音波伝達部材135等を先端側から見た正面図である。これら図に示されるように、本実施形態に係る処置部であるプローブ140は、中空の円筒形状をしている。また、本実施形態では、伝達部も円筒形状をしているものとする。
前記処置部及び前記モーメント移行部の前記長手方向と垂直な断面の形状はU字形状である。
Claims (8)
- 把持部材と、
前記把持部材との間に処置対象である生体組織を把持するように前記把持部材に対して変位し、超音波振動する超音波振動部であって、
当該超音波振動部の先端を一端とし、長さが前記超音波の波長の1/4よりも短くて、前記把持部材と対向する処置部と、
当該超音波振動部の前記先端からみて最初に生じる節の位置を第1の節位置としたときに、前記第1の節位置を一端とし、前記第1の節位置よりも基端側であって、長さが前記超音波の波長の1/4である伝達部と、
を含み、
当該超音波振動部の長手軸と垂直な断面における、前記処置部の重心と前記把持部材の重心とを通る直線と垂直な軸を基準として計算した前記処置部における断面2次モーメントをI1、前記処置部における断面積をA1、前記伝達部における断面2次モーメントをI2、前記伝達部における断面積をA2としたときに、前記処置部におけるI1/A1 2の平均値は、前記伝達部におけるI2/A2 2の平均値よりも大きい、
超音波振動部と
を具備する治療機器。 - 前記処置部の任意の位置における前記I1/A1 2の値は、前記伝達部の任意の位置における前記I2/A2 2の値よりも大きい、請求項1に記載の治療機器。
- 前記超音波振動部と前記把持部材とは、高周波電極として機能し、
超音波振動エネルギと高周波電流エネルギとを用いて前記生体組織を処置する、
請求項1に記載の治療機器。 - 前記処置部の前記把持部材と対向する面を把持面とし、前記処置部の中心軸に対して前記把持面と反対側の面を裏面としたときに、
前記処置部は、前記処置部の長手方向と垂直な断面形状がU字型形状となるように、前記裏面に溝を有する形状をしており、
前記溝の底部は、前記処置部の中心軸と平行である、又は前記処置部の先端側よりも前記処置部の基端側の方が前記把持面側に傾いており、
前記処置部は、前記把持面から前記裏面までの高さが基端側よりも先端側の方が低い、
請求項1に記載の治療機器。 - 前記伝達部は、超音波振動子を含み、
前記超音波振動部の全長は、前記超音波の波長の1/2である、
請求項4に記載の治療機器。 - 前記超音波振動部の基端側に設けられた関節をさらに具備する請求項5に記載の治療機器。
- 前記処置部の長手方向と垂直な断面の形状は、前記把持部材と対向する横辺の長さである幅がbであり、前記横辺と垂直な辺の長さである高さがhである長方形であり、
前記伝達部の長手方向と垂直な断面形状は円形であり、
前記幅bと前記高さhとは、h/b>3/πである、
請求項1に記載の治療機器。 - 前記処置部は、外径がD1であり内径がd1である円筒形状であり、
前記伝達部は、外径がD0であり内径がd0である円筒形状であり、
(D1 2+d1 2)(D0 2−d0 2)>(D1 2−d1 2)(D0 2+d0 2)である、
請求項1に記載の治療機器。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261736811P | 2012-12-13 | 2012-12-13 | |
US61/736,811 | 2012-12-13 | ||
PCT/JP2013/083167 WO2014092108A1 (ja) | 2012-12-13 | 2013-12-11 | 治療機器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP5750670B2 JP5750670B2 (ja) | 2015-07-22 |
JPWO2014092108A1 true JPWO2014092108A1 (ja) | 2017-01-12 |
Family
ID=50934395
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014548227A Expired - Fee Related JP5750670B2 (ja) | 2012-12-13 | 2013-12-11 | 治療機器 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9352173B2 (ja) |
EP (1) | EP2932930B1 (ja) |
JP (1) | JP5750670B2 (ja) |
CN (1) | CN104853687B (ja) |
WO (1) | WO2014092108A1 (ja) |
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US9352173B2 (en) | 2016-05-31 |
WO2014092108A1 (ja) | 2014-06-19 |
US20150119761A1 (en) | 2015-04-30 |
EP2932930B1 (en) | 2018-06-27 |
CN104853687A (zh) | 2015-08-19 |
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