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WO2009027920A3 - An ultrasound device for detecting presence or absence of cavitation events - Google Patents

An ultrasound device for detecting presence or absence of cavitation events

Info

Publication number
WO2009027920A3
WO2009027920A3 PCT/IB2008/053397 IB2008053397W WO2009027920A3 WO 2009027920 A3 WO2009027920 A3 WO 2009027920A3 IB 2008053397 W IB2008053397 W IB 2008053397W WO 2009027920 A3 WO2009027920 A3 WO 2009027920A3
Authority
WO
Grant status
Application
Patent type
Prior art keywords
ultrasound
cavitation
lens
detected
received
Prior art date
Application number
PCT/IB2008/053397
Other languages
French (fr)
Other versions
WO2009027920A2 (en )
Inventor
Christopher S Hall
Anna T Fernandez
Jan F Suijver
Original Assignee
Koninkl Philips Electronics Nv
Christopher S Hall
Anna T Fernandez
Jan F Suijver
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

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22Implements 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
    • A61B17/22004Implements 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22Implements 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
    • A61B17/225Implements 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22Implements 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
    • A61B17/22004Implements 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
    • A61B17/22029Means for measuring shock waves
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00017Electrical control of surgical instruments
    • A61B2017/00022Sensing or detecting at the treatment site
    • A61B2017/00106Sensing or detecting at the treatment site ultrasonic
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22Implements 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
    • A61B17/22004Implements 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
    • A61B2017/22005Effects, e.g. on tissue
    • A61B2017/22007Cavitation or pseudocavitation, i.e. creation of gas bubbles generating a secondary shock wave when collapsing
    • A61B2017/22009Cavitation or pseudocavitation, i.e. creation of gas bubbles generating a secondary shock wave when collapsing reduced or prevented
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00Diagnosis using ultrasonic, sonic or infrasonic waves

Abstract

This invention relates to an ultrasound device for detecting presence or absence of cavitation events. An ultrasound transducer receives emitted and reflected ultrasound waves from tissues within a specific target volume and the received ultrasound waves are subsequently converted into a detection signal. A control unit then processes the detected signal for determining whether a cavitation event is detected. A liquid lens having an adjustable focal point is placed in front of the ultrasound transducer such that the received ultrasound waves go through the liquid lens prior to be received by the ultrasound transducer. The lens is controlled by the control unit such that in response to a detection of a cavitation event the focal position of the lens is adjusted substantially closer to the spatial location of the detected cavitation event.
PCT/IB2008/053397 2007-08-31 2008-08-25 An ultrasound device for detecting presence or absence of cavitation events WO2009027920A3 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US96920707 true 2007-08-31 2007-08-31
US60/969,207 2007-08-31

Publications (2)

Publication Number Publication Date
WO2009027920A2 true WO2009027920A2 (en) 2009-03-05
WO2009027920A3 true true WO2009027920A3 (en) 2009-04-23

Family

ID=40139248

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2008/053397 WO2009027920A3 (en) 2007-08-31 2008-08-25 An ultrasound device for detecting presence or absence of cavitation events

Country Status (1)

Country Link
WO (1) WO2009027920A3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2014116967A (en) * 2011-09-27 2015-11-10 Конинклейке Филипс Н.В. High-intensity focused ultrasound, amplified with the help of cavitation

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0355177A1 (en) * 1988-08-17 1990-02-28 Siemens Aktiengesellschaft Apparatus for the contactless desintegration of concrements in a living thing body
EP0511506A1 (en) * 1991-04-26 1992-11-04 Dornier Medizintechnik Gmbh Device for location of the focal region in lithotripsy
WO2003069380A1 (en) * 2002-02-14 2003-08-21 Koninklijke Philips Electronics N.V. Variable focus lens
US20060074314A1 (en) * 2004-10-06 2006-04-06 Guided Therapy Systems, L.L.C. Method and system for noninvasive mastopexy

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0355177A1 (en) * 1988-08-17 1990-02-28 Siemens Aktiengesellschaft Apparatus for the contactless desintegration of concrements in a living thing body
EP0511506A1 (en) * 1991-04-26 1992-11-04 Dornier Medizintechnik Gmbh Device for location of the focal region in lithotripsy
WO2003069380A1 (en) * 2002-02-14 2003-08-21 Koninklijke Philips Electronics N.V. Variable focus lens
US20060074314A1 (en) * 2004-10-06 2006-04-06 Guided Therapy Systems, L.L.C. Method and system for noninvasive mastopexy

Also Published As

Publication number Publication date Type
WO2009027920A2 (en) 2009-03-05 application

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