JPH0228214U - - Google Patents

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Publication number
JPH0228214U
JPH0228214U JP1989093963U JP9396389U JPH0228214U JP H0228214 U JPH0228214 U JP H0228214U JP 1989093963 U JP1989093963 U JP 1989093963U JP 9396389 U JP9396389 U JP 9396389U JP H0228214 U JPH0228214 U JP H0228214U
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JP
Japan
Prior art keywords
shock wave
acoustic
wave source
intensity
pressure sensor
Prior art date
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Pending
Application number
JP1989093963U
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English (en)
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Publication date
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Publication of JPH0228214U publication Critical patent/JPH0228214U/ja
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Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/30—Sound-focusing or directing, e.g. scanning using refraction, e.g. acoustic lenses
    • 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
    • A61B17/225—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 for extracorporeal shock wave lithotripsy [ESWL], e.g. by using ultrasonic waves
    • A61B17/2256—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 for extracorporeal shock wave lithotripsy [ESWL], e.g. by using ultrasonic waves with means for locating or checking the concrement, e.g. X-ray apparatus, imaging means
    • 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
    • A61B17/225—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 for extracorporeal shock wave lithotripsy [ESWL], e.g. by using ultrasonic waves
    • A61B17/2256—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 for extracorporeal shock wave lithotripsy [ESWL], e.g. by using ultrasonic waves with means for locating or checking the concrement, e.g. X-ray apparatus, imaging means
    • A61B17/2258—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 for extracorporeal shock wave lithotripsy [ESWL], e.g. by using ultrasonic waves with means for locating or checking the concrement, e.g. X-ray apparatus, imaging means integrated in a central portion of the shock wave apparatus

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  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Radiology & Medical Imaging (AREA)
  • Molecular Biology (AREA)
  • Vascular Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Surgical Instruments (AREA)
  • Transducers For Ultrasonic Waves (AREA)

Description

【図面の簡単な説明】
第１図は本考案による装置の一実施例の縦断面
図、第２図は第１図に示した装置のブロツク回路
図、第３図は本考案による装置の他の実施例の縦
断面図である。 １……ケース、２，１００……衝撃波源、３…
…ベローズ、４……生体、５……ダイヤフラム、
１８……結石、２４……プラスチツクシート、２
９，１１５……音響偏向装置、３０，３１，１１
６，１１７……基体、３２，３３，３４，３５…
…境界面、４８，４９……歯付きベルト、５０，
５１……歯車、５２……電動機、５３，５６……
歯付きベルト車、５４，５５……歯車、７０……
発生器装置、８０……発信器、８０ａ，８０ｂ…
…ホール発電器、８０ｃ，８０ｄ，８０ｅ，８０
ｆ……永久磁石、８７……遅延装置、１０１……
第１圧電セラミツク層、１０８……第２圧電セラ
ミツク層、１１８，１１９，１２０，１２１……
境界面。

Claims (1)

  1. 【実用新案登録請求の範囲】 １ １つの焦点領域Ｆへ走行する衝撃波を音響伝
    播媒体内に発生するための衝撃波源２；１００と
    、この衝撃波源２；１００を生体４に音響結合さ
    せるための手段３と、衝撃波の音響エコー信号を
    受信しその音響エコー信号を評価するために受信
    回路９３に接続された圧力センサ２４；１０８と
    を備え、前記衝撃波源２；１００は結石１８を破
    砕するための高強度衝撃波を発生するためおよび
    像形成用の低強度衝撃波を発生するために選択的
    に駆動可能である生体内の結石の非接触破砕装置
    において、前記圧力センサ２４；１０８は前記焦
    点領域Ｆと衝撃波源２；１００との間の伝播媒体
    中に配置されて、前記圧力センサ２４；１０８の
    領域における衝撃波の縦断面に亘つて広がるセン
    サ面を有し、前記圧力センサ２４；１０８と焦点
    領域Ｆとの間には音響偏向装置２９；１１５が前
    記伝播媒体中に配置され、この音響偏向装置２９
    ；１１５によつて前記低強度衝撃波は前記高強度
    衝撃波の焦点領域Ｆを検出するセクタースキヤン
    を得るために偏向可能であり、前記受信回路９３
    はＢ像を作成するために駆動可能であることを特
    徴とする生体内の結石の非接触破砕装置。 ２ 衝撃波源２；１００は、それぞれ２つの高強
    度衝撃波を発生する間に多数の低強度衝撃波を高
    繰返し数で発生するように駆動可能であることを
    特徴とする請求項１記載の装置。 ３ 音響偏向装置２９；１１５は一対の楔状基体
    ３０，３１；１１６，１１７を有し、前記基体３
    ０，３１；１１６，１１７はこの基体を取囲む音
    響伝播媒体とは異なつた音響伝播速度を持つ材料
    によつて形成されて、衝撃波伝播方向に連続して
    回転軸線Ｍを中心にして互いに相対的に回転可能
    に配置され、各楔状基体３０，３１；１１６，１
    １７は、衝撃波伝播方向に対してそれぞれ同一角
    度だけ斜めに傾斜して前記音響偏向装置２９；１
    １５の領域における衝撃波の縦断面に亘つてそれ
    ぞれ広がる境界面３４，３５；１２０，１２１を
    有し、また前記楔状基体３０，３１；１１６，１
    １７を回転させる手段４８，４９，５０，５１，
    ５２，５３，５４，５５，５６；１２５，１２６
    ，１２７，１２８が設けられ、この手段によつて
    前記楔状基体３０，３１；１１６，１１７は同一
    角速度で反対方向へ駆動可能であり、それゆえ前
    記楔状基体３０，３１；１１６，１１７の１回転
    の間前記境界面３４，３５；１２０，１２１は互
    いに平行となる２つの角度位置を取ることを特徴
    とする請求項１または２記載の装置。 ４ 楔状基体３０，３１；１１６，１１７が互い
    に所定の状態になると信号を発信する発信器８０
    ，８０ａ，８０ｂ，８０ｃ，８０ｄ，８０ｅ，８
    ０ｆが設けられ、この発信器８０，８０ａ，８０
    ｂ，８０ｃ，８０ｄ，８０ｅ，８０ｆと衝撃波源
    ２；１００を駆動する発生器装置７０との間に、
    前記発信器８０，８０ａ，８０ｂ，８０ｃ，８０
    ｄ，８０ｅ，８０ｆの信号を所定の遅延時間だけ
    遅延させる遅延回路８７が接続され、遅延された
    信号は多数の低強度衝撃波を放出させるために前
    記衝撃波源２；１００を駆動するための前記発生
    器装置７０に与えられ、その際前記遅延時間は高
    強度衝撃波の焦点領域Ｆを検出するセクタースキ
    ヤンが得られるように設定されていることを特徴
    とする請求項２または３記載の装置。 ５ 楔状基体３０，３１；１１６，１１７の位相
    状態は互いに相対的に調整可能であることを特徴
    とする請求項２ないし４の１つに記載の装置。 ６ 衝撃波源２；１００は主として平面波状衝撃
    波を発生し、この衝撃波を集束させるために音響
    集束レンズ１４が設けられ、音響偏向装置２９；
    １１５が圧力センサ２４；１０８と前記音響集束
    レンズ１４との間に配置されることを特徴とする
    請求項１ないし５の１つに記載の装置。 ７ 音響偏向装置２９；１１５は衝撃波源２；１
    ００から、少なくとも音響集束レンズ１４の焦点
    距離に一致する距離を隔てて配置されていること
    を特徴とする請求項６記載の装置。 ８ 圧力センサ２４として圧電動作式プラスチツ
    クシートが設けられ、衝撃波源２として衝撃的に
    駆動可能なダイヤフラム５が設けられ、前記プラ
    スチツクシートは前記ダイヤフラム５の焦点領域
    Ｆ側に設置されることを特徴とする請求項１ない
    し７の１つに記載の装置。 ９ 衝撃波源１００として圧電式衝撃波源が設け
    られ、この圧電式衝撃波源は衝撃波を発生するた
    めの第１圧電層１０１とこの第１圧電層１０１上
    に圧力センサ１０８として設置された第２圧電層
    とを有し、前記第２圧電層は衝撃波伝播方向にお
    いて前記第１圧電層１０１の後方に配置され、前
    記第１圧電層１０１よりも高い共振周波数を有す
    ることを特徴とする請求項１ないし７の１つに記
    載の装置。 １０ 圧力センサ２４；１０８により受信された
    エコー信号はＡモードの受信回路９３によつて高
    強度衝撃波であるかまたは低強度衝撃波であるか
    を評価可能であることを特徴とする請求項１ない
    し９の１つに記載の装置。
JP1989093963U 1988-08-17 1989-08-11 Pending JPH0228214U (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP88113375A EP0355177A1 (de) 1988-08-17 1988-08-17 Einrichtung zum berührungslosen Zertrümmern von Konkrementen im Körper eines Lebewesens

Publications (1)

Publication Number Publication Date
JPH0228214U true JPH0228214U (ja) 1990-02-23

Family

ID=8199206

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989093963U Pending JPH0228214U (ja) 1988-08-17 1989-08-11

Country Status (3)

Country Link
US (1) US5009232A (ja)
EP (1) EP0355177A1 (ja)
JP (1) JPH0228214U (ja)

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US5009232A (en) 1991-04-23
EP0355177A1 (de) 1990-02-28

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