JPH07505820A - 超音波カテーテル - Google Patents
超音波カテーテルInfo
- Publication number
- JPH07505820A JPH07505820A JP6518040A JP51804094A JPH07505820A JP H07505820 A JPH07505820 A JP H07505820A JP 6518040 A JP6518040 A JP 6518040A JP 51804094 A JP51804094 A JP 51804094A JP H07505820 A JPH07505820 A JP H07505820A
- Authority
- JP
- Japan
- Prior art keywords
- transducer
- section
- electrical signal
- image forming
- assembly
- 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.)
- Granted
Links
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/12—Diagnosis using ultrasonic, sonic or infrasonic waves in body cavities or body tracts, e.g. by using catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/06—Measuring blood flow
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4444—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to the probe
- A61B8/445—Details of catheter construction
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
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- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4483—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4483—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer
- A61B8/4488—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer the transducer being a phased array
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
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- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4483—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer
- A61B8/4494—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer characterised by the arrangement of the transducer elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
- B06B1/0607—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements
- B06B1/0622—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements on one surface
- B06B1/0633—Cylindrical array
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
- B06B1/0644—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element
- B06B1/0662—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface
- B06B1/067—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface which is used as, or combined with, an impedance matching layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
- B06B1/0644—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element
- B06B1/0662—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface
- B06B1/0674—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface and a low impedance backing, e.g. air
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
- G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
- G01S15/8909—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration
- G01S15/8915—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
- G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
- G01S15/8979—Combined Doppler and pulse-echo imaging systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
- G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
- G01S15/899—Combination of imaging systems with ancillary equipment
-
- 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
- G10K11/004—Mounting transducers, e.g. provided with mechanical moving or orienting device
-
- 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
- G10K11/004—Mounting transducers, e.g. provided with mechanical moving or orienting device
- G10K11/006—Transducer mounting in underwater equipment, e.g. sonobuoys
- G10K11/008—Arrays of transducers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B2201/00—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
- B06B2201/70—Specific application
- B06B2201/76—Medical, dental
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
- G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
- G01S15/8909—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration
- G01S15/8915—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array
- G01S15/892—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array the array being curvilinear
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
- G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
- G01S15/8979—Combined Doppler and pulse-echo imaging systems
- G01S15/8981—Discriminating between fixed and moving objects or between objects moving at different speeds, e.g. wall clutter filter
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/42—Piezoelectric device making
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Radar, Positioning & Navigation (AREA)
- Acoustics & Sound (AREA)
- Radiology & Medical Imaging (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pathology (AREA)
- Biophysics (AREA)
- Gynecology & Obstetrics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Multimedia (AREA)
- Hematology (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Surgical Instruments (AREA)
Abstract
Description
Claims (17)
- 1.超音波を発射し、検出した反射超音波に従って有用画像を提供する、体腔内 へ挿入して使用する画像形成デバイスにおいて、体腔内へ挿入するマルチセクシ ョン形ボディと、複数のトランスデューサから成るトランスデューサ・アレイを 含んでおり、前記マルチセクション形ボディの第1セクションに取付けられたト ランスデューサ・アセンブリであって、前記トランスデューサ・アレイは、体腔 内へ超音波を送信して、前記複数のトランスデューサが受信した反射超音波に応 答して第1電気信号を生成するものである、トランスデューサ・アセンブリと、 前記第1セクションに隣接しており該第1セクションとは物理的性質が異なった 前記マルチセクション形ボディの第2セクションに取付けられた電子信号変換手 段であって、前記トランスデューサ・アレイから前記第1電気信号を受け取って 該第1電気信号を第2電気信号に変換し、該第2電気信号がケーブルを介して伝 送されるようにしてあり、該ケーブルは前記マルチセクション形ボディを体腔1 の外部の環境へ接続しており前記第2電気信号を伝送するための少なくとも1本 の信号チャネルを備えている、電子信号変換手段と、前記第1電気信号を前記ト ランスデューサ・アレイから前記電子信号変換手段へ伝達する、第1電気信号伝 達手段と、を備えたことを特徴とする画像形成デバイス。
- 2.前記第1セクションと前記第2セクションとを互いに隣接させてガイド・ワ イヤ・ルーメン上に取付けてあることを特徴とする請求項1記載の画像形成デバ イス。
- 3.前記第1セクションが、比較的小さな音響インピーダンスを有するパッキン グ材料から成ることを特徴とする請求項1記載の画像形成デバイス。
- 4.前記第2セクションが、比較的小さな熱膨張係数を有する担持部材用の材料 から成ることを特徴とする請求項1記載の画像形成デバイス。
- 5.前記トランスデューサ・アセンブリが、複数のトランスデューサ・エレメン トを画成しているトランスデューサ層に直接に結合した複数の導電用電極から成 る導電用電極集合を含んでいることを特徴とする請求項1記載の画像形成デバイ ス。
- 6.前記トランスデューサ・アセンブリが、前記トランスデューサ材料に直接に 結合した連続した1つの層から成る導電用電極を含んでいることを特徴とする請 求項1記載の画像形成デバイス。
- 7.前記トランスデューサ・アセンブリが、円筒面状の配列形態としたトランス デューサ・アレイを含んでいることを特徴とする請求項1記載の画像形成デバイ ス。
- 8.前記トランスデューサ・アセンブリが、平面状の配列形態としたトランスデ ューサ・アレイを含んでいることを特徴とする請求項1記載の画像形成デバイス 。
- 9.前記トランスデューサ・アレイを、体腔内の側方視野を提供するために前記 マルチセクション形ボディの一側に配設してあることを特徴とする請求項8記載 の画像形成デバイス。
- 10.前記トランスデューサ・アレイを、体腔内の前方視野を提供するために前 記マルチセクション形ボディの正面に配役してあることを特徴とする請求項8記 載の画像形成デバイス。
- 11.前記画像形成デバイスに近接した位置に配設したバルーン・セクションを 含んでいることを特徴とする請求項1記載の画像形成デバイス。
- 12.前記バルーンを、前記マルチセクション形ボディに先んじて挿入されるカ テーテルの一部分に配設してあることを特徴とする請求項11記載の画像形成デ バイス。
- 13.前記トランスデューサ・アセンブリが、複数の導電用電極から成る導電用 電極集合を含んでおり・それら複数の導電用電極の前記第1電気信号伝達手段へ の接続を容易にするためにそれら複数本の導電用電極を前記トランスデューサ材 料から突出させてあることを特徴とする請求項1記載の画像形成デバイス。
- 14.ギャップ・ウェルダを用いて前記複数の導電用電極の各々を前記第1電気 信号伝達手段の複数本の導体ラインのうちの対応する1本のずつの導体ラインに 接続することを容易にするために、前記複数の導電用電極が前記第1電気信号伝 達手段と重なり合うようにしてあることを特徴とする請求項13記載の画像形成 デバイス。
- 15.超音波を発射し、検出した反射超音波に従って有用画像を提供する、体腔 内へ挿入して使用する超音波画像形成カテーテルにおいて、少なくとも1本のル ーメンを内蔵しているシャフトと、前記シャフトに取付けた画像形成デバイスと 、を備えており、 前記画像形成デバイスが、 体腔内へ挿入するマルチセクション形ボディと、複数のトランスデューサから成 るトランスデューサ・アレイを含んでおり、前記マルチセクション形ボディの第 1セクションに取付けられたトランスデューサ・アセンブリであって、前記トラ ンスデューサ・アレイは、体腔内へ超音波を送信して、前記複数のトランスデュ ーサが受信した超音波に応答して第1電気信号を生成するものである、トランス デューサ・アセンブリと、前記第1セクションに隣接しており該第1セクション とは物理的性質が異なった前記マルチセクション形ボディの第2セクションに取 付けられた電子信号変換手段であって、前記トランスデューサ・アレイから前記 第1電気信号を受け取って該第1電気信号を第2電気信号に変換し、該第2電気 信号がケーブルを介して伝送されるようにしてあり、該ケーブルは前記マルチセ クション形ボディを体腔の外部の環境へ接続しており前記第2電気信号を伝送す るための少なくとも1本の信号チャネルを備えている、電子信号変換手段と、前 記第1電気信号を前記トランスデューサ・アレイと前記電子信号変換手段との間 で伝達する、第1電気信号伝達手段と、を備えた画像形成デバイスである、 ことを特徴とする超音波画像形成カテーテル。
- 16.マルチセクション形ボディを有する超音波カテーテルの組立方法において 、 複数のトランスデューサから成るトランスデューサ・アレイを含んでいるトラン スデューサ・アセンブリを前記マルチセクション形ボディの第1セクションに取 付けるトランスデューサ・アセンブリ取付ステップであって、前記トランスデュ ーサ・アレイは、体腔内へ超音波を送信して、前記複数のトランスデューサが受 信した超音波に応答して第1電気信号を生成するものであり、該トランスデュー サ・アセンブリは、前記トランスデューサ・アレイから突出した複数の導電用電 極から成る導電用電極集合を含んでいる、トランスデューサ・アセンブリ取付ス テップと、 竜子信号変換手段を前記マルチセクション形ボディの第2セクションに取付ける 電子信号変換手段取付ステップであって、前記電子信号変換手段は、前記トラン スデューサ・アレイから前記第1電気信号を受け取って該第1電気信号を第2電 気信号に変換し、該第2電気信号がケーブルを介して伝送されるようにしてあり 、該ケーブルは前記マルチセクション形ボディを体腔の外部の環境へ接続してお り前記第2電気信号を伝送するための少なくとも1本の信号チャネルを備えてい る、電子信号変換手段取付ステップと、前記第1セクションと前記第2セクショ ンとを隣接した位置に配置して、前記複数の導電用電極の各々の一部分が、前記 電子信号変換手段に信号伝達可能に接続された複数の導体ラインのうちの対応す る1本ずつの導体ラインと重なり合うようにするセクション配置ステップと、互 いに重なり合った導電用電極と導体ラインとの各組に局所的電流を供給して前記 ラインを融着させる局所的電流供給ステップと、を含んでいることを特徴とする 超音波カテーテルの組立方法。
- 17.前記局所的電流供給ステップが、重なった前記電極の各々にギャップ・ウ ェルダを用いて局所的電流を供給するステップを含んでいることを特徴とする請 求項16記載の方法。
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US08/012,251 US5368037A (en) | 1993-02-01 | 1993-02-01 | Ultrasound catheter |
PCT/US1994/000474 WO1994017734A1 (en) | 1993-02-01 | 1994-01-14 | Ultrasound catheter |
US012,251 | 1996-02-26 |
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JP2005251525A Division JP3831743B2 (ja) | 1993-02-01 | 2005-08-31 | 超音波カテーテル・プローブ |
JP2005251527A Division JP2005342535A (ja) | 1993-02-01 | 2005-08-31 | 超音波カテーテル・プローブ |
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JPH07505820A true JPH07505820A (ja) | 1995-06-29 |
JP3732854B2 JP3732854B2 (ja) | 2006-01-11 |
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JP51804094A Expired - Lifetime JP3732854B2 (ja) | 1993-02-01 | 1994-01-14 | 超音波カテーテル |
JP2005251525A Expired - Lifetime JP3831743B2 (ja) | 1993-02-01 | 2005-08-31 | 超音波カテーテル・プローブ |
JP2005251527A Pending JP2005342535A (ja) | 1993-02-01 | 2005-08-31 | 超音波カテーテル・プローブ |
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JP2005251525A Expired - Lifetime JP3831743B2 (ja) | 1993-02-01 | 2005-08-31 | 超音波カテーテル・プローブ |
JP2005251527A Pending JP2005342535A (ja) | 1993-02-01 | 2005-08-31 | 超音波カテーテル・プローブ |
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US (1) | US5368037A (ja) |
EP (3) | EP1327417B1 (ja) |
JP (3) | JP3732854B2 (ja) |
AT (3) | ATE216570T1 (ja) |
CA (2) | CA2235947C (ja) |
DE (3) | DE69432448T2 (ja) |
WO (1) | WO1994017734A1 (ja) |
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Cited By (2)
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JP2001509714A (ja) * | 1997-01-31 | 2001-07-24 | アキューソン コーポレイション | 改良電気インターフェイスを備えた超音波トランスデューサアセンブリ |
JP2003522007A (ja) * | 2000-02-09 | 2003-07-22 | エンドソニックス・コーポレーション | フォワード及びサイドルッキング超音波画像化 |
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CA2133475C (en) | 1998-07-14 |
EP1327417B1 (en) | 2010-09-15 |
WO1994017734A1 (en) | 1994-08-18 |
EP1327417A2 (en) | 2003-07-16 |
DE69435314D1 (de) | 2010-10-28 |
EP0637937B1 (en) | 2003-04-09 |
ATE216570T1 (de) | 2002-05-15 |
JP2005342535A (ja) | 2005-12-15 |
EP0637937A1 (en) | 1995-02-15 |
JP2006055649A (ja) | 2006-03-02 |
EP0750883B1 (en) | 2002-04-24 |
DE69432448T2 (de) | 2004-03-04 |
JP3831743B2 (ja) | 2006-10-11 |
CA2235947A1 (en) | 1994-08-18 |
CA2133475A1 (en) | 1994-08-18 |
DE69430490D1 (de) | 2002-05-29 |
EP1327417A3 (en) | 2003-09-10 |
EP0750883B2 (en) | 2009-04-22 |
DE69430490T2 (de) | 2003-01-02 |
ATE481034T1 (de) | 2010-10-15 |
JP3732854B2 (ja) | 2006-01-11 |
US5368037A (en) | 1994-11-29 |
CA2235947C (en) | 2003-01-07 |
DE69430490T3 (de) | 2009-11-05 |
DE69432448D1 (de) | 2003-05-15 |
EP0750883A1 (en) | 1997-01-02 |
ATE236573T1 (de) | 2003-04-15 |
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