JPS62224341A - 生体組織の凍結破砕装置 - Google Patents

生体組織の凍結破砕装置

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Publication number
JPS62224341A
JPS62224341A JP61067916A JP6791686A JPS62224341A JP S62224341 A JPS62224341 A JP S62224341A JP 61067916 A JP61067916 A JP 61067916A JP 6791686 A JP6791686 A JP 6791686A JP S62224341 A JPS62224341 A JP S62224341A
Authority
JP
Japan
Prior art keywords
tissue
probe
ultrasonic
freezing
sheath
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.)
Pending
Application number
JP61067916A
Other languages
English (en)
Inventor
寺山　俊樹
窪田　哲丸
均 唐沢
志賀　明
中田　明雄
修一 高山
達夫 長崎
耕司 田口
正明 林
萩野　忠夫
信二 八田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Olympus Corp
Original Assignee
Olympus Optical Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to JP61054086A priority Critical patent/JPS62211057A/ja
Priority to JP61054085A priority patent/JPS62211056A/ja
Priority to JP1986040902U priority patent/JPS62152705U/ja
Application filed by Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP61067704A priority patent/JPS62224342A/ja
Priority to JP61067916A priority patent/JPS62224341A/ja
Priority to DE19873707921 priority patent/DE3707921A1/de
Publication of JPS62224341A publication Critical patent/JPS62224341A/ja
Pending legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/32—Surgical cutting instruments
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/22—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for
    • A61B17/22004—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/22—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for
    • A61B17/22004—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; 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 inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; 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
    • 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
    • A61B18/02—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
    • A61B18/0206—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques ultrasonic, e.g. for destroying tissue or enhancing freezing
    • 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
    • A61B18/08—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by means of electrically-heated probes
    • A61B18/082—Probes or electrodes therefor
    • 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
    • A61B18/1402—Probes for open surgery
    • 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
    • A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
    • 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
    • A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
    • A61B18/1815—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves
    • 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
    • A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
    • A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
    • A61B18/22—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor
    • A61B18/28—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor for heating a thermal probe or absorber
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/84—Drainage tubes; Aspiration tips
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B2017/00017—Electrical control of surgical instruments
    • A61B2017/00022—Sensing or detecting at the treatment site
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B2017/00017—Electrical control of surgical instruments
    • A61B2017/00022—Sensing or detecting at the treatment site
    • A61B2017/00057—Light
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/12—Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord
    • A61B2017/12004—Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord for haemostasis, for prevention of bleeding
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/32—Surgical cutting instruments
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B2017/320072—Working tips with special features, e.g. extending parts
    • A61B2017/320073—Working tips with special features, e.g. extending parts probe
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/32—Surgical cutting instruments
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B2017/320072—Working tips with special features, e.g. extending parts
    • A61B2017/320078—Tissue manipulating surface
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/32—Surgical cutting instruments
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B2017/320072—Working tips with special features, e.g. extending parts
    • A61B2017/32008—Working tips with special features, e.g. extending parts preventing clogging of suction channel
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/32—Surgical cutting instruments
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B2017/320084—Irrigation sleeves
    • 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
    • A61B2018/00184—Moving parts
    • A61B2018/00196—Moving parts reciprocating lengthwise
    • 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
    • A61B2018/00982—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body combined with or comprising means for visual or photographic inspections inside the body, e.g. endoscopes
    • 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
    • A61B18/08—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by means of electrically-heated probes
    • A61B18/082—Probes or electrodes therefor
    • A61B2018/087—Probes or electrodes therefor using semiconductors as heating element

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  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Otolaryngology (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Vascular Medicine (AREA)
  • Plasma & Fusion (AREA)
  • Hematology (AREA)
  • Anesthesiology (AREA)
  • Dentistry (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Thermal Sciences (AREA)
  • Optics & Photonics (AREA)
  • Surgical Instruments (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【発明の詳細な説明】 ［産業上の利用分野］ 本発明は生体組織を凍結して破砕する装置に関する。
［従来の技術］ 従来、前立腺の切除などに超音波振動を利用する方式が
知られている。この方式では超音波プローブを切除しよ
うとする組織に押し当ててその組織を切除するものであ
る＠ ［発明が解トしようとする問題点コ しかしながら、切除しようとする組織に超音波プローブ
を押し当てたとき、その組織が柔らかく弾性がある場合
には逃げてしまい、効率よく切除することができない。
また、超音波振動によシ組織を切除する方式では血管を
損傷しやすく、出血を起すという不都合がある。
本発明は上記問題点に着目してなされたもので、その目
的とするところは切除しようとする生体組織が柔らかく
弾性があっても出血が少なく効率よく切除できる生体組
織の凍結破砕装置を提供することにある。
入用シースに、その切除しようとする生体組織を凍結す
る凍結用プローブとその凍結した部位の組織に超音波振
動を与えて破砕する超音波プローブとを組み込んでなる
生体組織の凍結破砕装置である。
そして、切除しようとする生体組織を凍結した上でその
生体組織に超音波と加えて破砕する。
［実施例コ 第１図ないし第３図は本発明の第１の実施例を示すもの
である。
第１図中１は超音波プローブであシ、これは把持部２と
挿入用伝達管３とからなる。把持部２には超音波振動子
４が組み込まれている。この超音波振動子４で発生した
超音波は伝達管３に伝えられるようになっている。また
、伝達管３は把持部２に取着した口金５に連通接続され
ている。口金５にはコツクロが設けられるとともに、吸
引チューブ７が接続されている。
超音波プローブＩにはその把持部２を貫通してシースた
る伝達管３に挿通される第３図で示すような凍結用プロ
ーｆ８が着脱自在に組み込まれるようになっている。こ
の凍結用プローブ８は上記伝達管３に緩く挿入されるパ
イプ９を手元部材１０に連結してなυ、また、手元部１
０には凍結用液体またはガスを供給するチューブ１１が
接続されている。手元部１０にはパイプ９に通じるその
供給通路を開閉するコック１２が設けられている。なお
、チューブ１１の延出先端にはコネクタ１３が取り付け
られている。このコネクタＺ３は凍結源としての液体窒
素を収容する容器１４を有する装置本体１５の接続部に
対し着脱自在に接続されるようになっている。
次に、このように構成された凍結破砕装置の使用方法を
説明する。
まず、超音波プローブ１の伝達管３を内視鏡のシースを
通じて挿入する。そして、内視鏡による観察で切除しよ
うとする部位に伝達管３の先端を近づける。そして、こ
の超音波プローブＩに凍結用プローブ８を差し込んでこ
の・ぐイブ９の先端を切除しようとする部位に近づけ、
液体窒素を吹き付ける。これにより切除しようとする部
位が凍結される。
そこで、凍結された部位に伝達管３の先端を当て超音波
プローブＩｆ作動させると、その伝達管３と通じて超音
波振動が伝わり、その凍結された組織を破砕する。破砕
された組織の破片は超音波グローｆ１の伝達管３および
吸引チー−２７を通じて吸引されることにより外部に排
出される。
この排出動作および上記液体窒素の供給動作はそれぞれ
コツクロ、１２によシ操作される。
しかして、切除しようとする部位の組織を凍結するため
、超音波振動による組織の破砕が容易で効率よく切除で
きる。また、血液まで凍結するため出血が少ない。
なお、との実施例において超音波グローツノのシースは
内視鏡用シースであり、凍結用プロー２８にとっては伝
達管３がシースとなる。
第４図および第５図は本発明の第２の実施例を示すもの
である。
この実施例は前立腺を切除するためのゼレクトスコープ
のシース２１に対して超音波プローブ１と凍結用プロー
グ８を挿入して装着するものである。また、上記内視鏡
用シース２１には光学視管２２が同じく挿入して装着さ
れている。
そして、光学視管２２で切除部位を観察しながら凍結お
よび切除を行なうことができる。光学視管２２はシース
２１０基端部２３に対して着脱自在であり、２４はその
接眼部である。
なお、上記実施例では超音波プローブ１と凍結用プロー
ブ８とを別々に構成してなるが、超音波プローブ１の内
腔に直接凍結用ガスや液体を通し、プローブ１．８を兼
用するようにしてもよい。
［発明の効果コ 以上説明したように本発明の装置によれば切除しようと
する部位の生体組織を凍結用プローブで凍結し、この凍
結した生体組織に超音波プローブによシ超音波振動を加
えて破砕するため、もともとその生体組織が柔らかく弾
性があっても出血が少なく効率よく切除できる。
【図面の簡単な説明】
第１図は本発明の第１の実施例の側面図、第２図は同じ
くその先端部分の斜視図、第３図は同じくその凍結用プ
ローブと液体窒素の収容装置部との斜視図、第４図は本
発明の第２の実施例の側面図、第５図は同じくその先端
部の斜視図である。 １・・・超音波プローブ、８・・・凍結用プローブ、２
１・・・シース。 出願人代理人　　弁理士　坪　井　　　浮彫　２ｗＪ １フ 第３図

Claims (1)

    【特許請求の範囲】
  1. 生体内導入用シースに、その切除しようとする生体組織
    を凍結する凍結用プローブと凍結した部位の組織に超音
    波振動を与えて破砕する超音波プローブとを組み込んで
    なることを特徴とする生体組織の凍結破砕装置。
JP61067916A 1986-03-12 1986-03-26 生体組織の凍結破砕装置 Pending JPS62224341A (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP61054086A JPS62211057A (ja) 1986-03-12 1986-03-12 超音波振動処置装置
JP61054085A JPS62211056A (ja) 1986-03-12 1986-03-12 組織切除装置
JP1986040902U JPS62152705U (ja) 1986-03-12 1986-03-20
JP61067704A JPS62224342A (ja) 1986-03-12 1986-03-26 生体組織超音波破砕装置
JP61067916A JPS62224341A (ja) 1986-03-12 1986-03-26 生体組織の凍結破砕装置
DE19873707921 DE3707921A1 (de) 1986-03-12 1987-03-12 Medizinisches behandlungsgeraet

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP61054086A JPS62211057A (ja) 1986-03-12 1986-03-12 超音波振動処置装置
JP61054085A JPS62211056A (ja) 1986-03-12 1986-03-12 組織切除装置
JP1986040902U JPS62152705U (ja) 1986-03-12 1986-03-20
JP61067704A JPS62224342A (ja) 1986-03-12 1986-03-26 生体組織超音波破砕装置
JP61067916A JPS62224341A (ja) 1986-03-12 1986-03-26 生体組織の凍結破砕装置

Publications (1)

Publication Number Publication Date
JPS62224341A true JPS62224341A (ja) 1987-10-02

Family

ID=27522121

Family Applications (5)

Application Number Title Priority Date Filing Date
JP61054086A Pending JPS62211057A (ja) 1986-03-12 1986-03-12 超音波振動処置装置
JP61054085A Pending JPS62211056A (ja) 1986-03-12 1986-03-12 組織切除装置
JP1986040902U Pending JPS62152705U (ja) 1986-03-12 1986-03-20
JP61067704A Pending JPS62224342A (ja) 1986-03-12 1986-03-26 生体組織超音波破砕装置
JP61067916A Pending JPS62224341A (ja) 1986-03-12 1986-03-26 生体組織の凍結破砕装置

Family Applications Before (4)

Application Number Title Priority Date Filing Date
JP61054086A Pending JPS62211057A (ja) 1986-03-12 1986-03-12 超音波振動処置装置
JP61054085A Pending JPS62211056A (ja) 1986-03-12 1986-03-12 組織切除装置
JP1986040902U Pending JPS62152705U (ja) 1986-03-12 1986-03-20
JP61067704A Pending JPS62224342A (ja) 1986-03-12 1986-03-26 生体組織超音波破砕装置

Country Status (2)

Country Link
JP (5) JPS62211057A (ja)
DE (1) DE3707921A1 (ja)

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Also Published As

Publication number Publication date
JPS62152705U (ja) 1987-09-28
JPS62211057A (ja) 1987-09-17
DE3707921A1 (de) 1987-09-17
JPS62224342A (ja) 1987-10-02
JPS62211056A (ja) 1987-09-17

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