DE69625700T2 - Phasengesteuerter ultraschall wandlerreihesystem für intrakardielle ablation - Google Patents

Phasengesteuerter ultraschall wandlerreihesystem für intrakardielle ablation

Info

Publication number
DE69625700T2
DE69625700T2 DE69625700T DE69625700T DE69625700T2 DE 69625700 T2 DE69625700 T2 DE 69625700T2 DE 69625700 T DE69625700 T DE 69625700T DE 69625700 T DE69625700 T DE 69625700T DE 69625700 T2 DE69625700 T2 DE 69625700T2
Authority
DE
Germany
Prior art keywords
intracardial
ablation
ultrasonic transducer
phase controlled
controlled ultrasonic
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.)
Expired - Lifetime
Application number
DE69625700T
Other languages
English (en)
Other versions
DE69625700D1 (de
Inventor
A Cain
S Ebbini
Adam Strickberger
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.)
University of Michigan
Original Assignee
University of Michigan
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
Application filed by University of Michigan filed Critical University of Michigan
Application granted granted Critical
Publication of DE69625700D1 publication Critical patent/DE69625700D1/de
Publication of DE69625700T2 publication Critical patent/DE69625700T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • A61B17/225—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 for extracorporeal shock wave lithotripsy [ESWL], e.g. by using ultrasonic waves
    • A61B17/2256—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 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, e.g. tourniquets
    • A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • A61B2017/00238—Type of minimally invasive operation
    • A61B2017/00243—Type of minimally invasive operation cardiac
    • 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
    • A61B2017/22028—Features of transducers arrays, e.g. phased arrays
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N7/00—Ultrasound therapy
    • A61N2007/0056—Beam shaping elements
    • A61N2007/0065—Concave transducers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N7/00—Ultrasound therapy
    • A61N2007/0086—Beam steering
    • A61N2007/0095—Beam steering by modifying an excitation signal
DE69625700T 1995-11-06 1996-10-22 Phasengesteuerter ultraschall wandlerreihesystem für intrakardielle ablation Expired - Lifetime DE69625700T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/554,134 US5590657A (en) 1995-11-06 1995-11-06 Phased array ultrasound system and method for cardiac ablation
PCT/US1996/016928 WO1997017693A1 (en) 1995-11-06 1996-10-22 Phased array ultrasound system and method for cardiac ablation

Publications (2)

Publication Number Publication Date
DE69625700D1 DE69625700D1 (de) 2003-02-13
DE69625700T2 true DE69625700T2 (de) 2003-09-18

Family

ID=24212180

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69625700T Expired - Lifetime DE69625700T2 (de) 1995-11-06 1996-10-22 Phasengesteuerter ultraschall wandlerreihesystem für intrakardielle ablation

Country Status (6)

Country Link
US (1) US5590657A (de)
EP (1) EP0860004B1 (de)
JP (1) JP3853368B2 (de)
AU (1) AU7466896A (de)
DE (1) DE69625700T2 (de)
WO (1) WO1997017693A1 (de)

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EP0860004A1 (de) 1998-08-26

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