[go: up one dir, main page]

Schafer et al., 1990 - Google Patents

Design of a miniature in-vivo shock wave hydrophone

Schafer et al., 1990

View PDF
Document ID
9365439391329854266
Author
Schafer M
Kraynak T
Lewin P
Publication year
Publication venue
IEEE Symposium on Ultrasonics

External Links

Snippet

The authors discuss the development of a miniature precision acoustic sensor (hydrophone) which would survive in an in-vivo shock-wave field. The immediate application of the device is in improving the safety and efficacy of extracorporeal shock-wave lithotripsy (ESWL) …
Continue reading at scholar.archive.org (PDF) (other versions)

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/42Details of probe positioning or probe attachment to the patient
    • A61B8/4272Details of probe positioning or probe attachment to the patient involving the acoustic interface between the transducer and the tissue
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/08Detecting organic movements or changes, e.g. tumours, cysts, swellings
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22Details, e.g. general constructional or apparatus details
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/44Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/02Indexing codes associated with the analysed material
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods 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
    • G10K11/18Methods or devices for transmitting, conducting, or directing sound
    • G10K11/26Sound-focusing or directing, e.g. scanning
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/10Number of transducers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/01Indexing codes associated with the measuring variable
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N7/00Ultrasound therapy

Similar Documents

Publication Publication Date Title
Harris et al. The impact of piezoelectric PVDF on medical ultrasound exposure measurements, standards, and regulations
Shaw et al. Calibration and measurement issues for therapeutic ultrasound
KR101438391B1 (en) Ultrasound probe cap and method for testing ultrasound probe using the same and ultrasound diagnosis system thereof
Ziskin et al. Ultrasonic exposimetry
EP3573533A1 (en) Cavitation localization
Harris Progress in medical ultrasound exposimetry
Selfridge et al. Wideband spherically focused PVDF acoustic sources for calibration of ultrasound hydrophone probes
US20050245824A1 (en) High-intensity focused-ultrasound hydrophone
Lewin et al. Wide-band piezoelectric polymer acoustic sources
Schafer et al. Design of a miniature in-vivo shock wave hydrophone
Harris Medical ultrasound exposure measurements: update on devices, methods, and problems
Cathignol et al. Electronic beam steering of shock waves
Tavakkoli et al. Development of a PVDF low-cost shock-wave hydrophone
Lewin et al. Ultrasound exposimetry: an essential component of ultrasonic device characterization
CN208206336U (en) A kind of noninvasive temperature estimation device based on pyroelectric effect
JP7637798B2 (en) Medical Ultrasound Transducers
Harris Piezoelectric poly (Vinylidene) fluoride (PVDF) in biomedical ultrasound exposimetry
Lewin et al. Ultrasonic probes for shock wave measurements
Harris et al. P4H-1 finite amplitude method for measurement of nonlinearity parameter B/A using plane-wave tone bursts
Umchid et al. Ultrasonic Hydrophone's Effective Aperture Measurements
Okada et al. Influence of tough hydrophone shapes with titanium front plate and hydrothermal PZT thick film on distribution of acoustic bubbles around focal point of HIFU transducer
Halliwell ACOUSTIC WAVE LITHOTRIPSY
Lewin Devices for ultrasound field parameter measurements
JPH0432726A (en) Hydrophone
Shuvo Microfabrication and characterization of a new box-shaped high frequency (7.5 MHz) low aperture 2D phased ultrasound transducer array