DE69841689D1 - Piezoelektrischer wandler und anwendungsmethode - Google Patents

Piezoelektrischer wandler und anwendungsmethode

Info

Publication number
DE69841689D1
DE69841689D1 DE69841689T DE69841689T DE69841689D1 DE 69841689 D1 DE69841689 D1 DE 69841689D1 DE 69841689 T DE69841689 T DE 69841689T DE 69841689 T DE69841689 T DE 69841689T DE 69841689 D1 DE69841689 D1 DE 69841689D1
Authority
DE
Germany
Prior art keywords
piezoelectric layer
electrodes
electrical
attached
transmitter
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
DE69841689T
Other languages
English (en)
Inventor
Eyal Doron
Yariv Porat
Yoseph Tsaliah
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.)
Remon Medical Technologies Ltd Israel
Original Assignee
Remon Medical Technologies Ltd Israel
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 Remon Medical Technologies Ltd Israel filed Critical Remon Medical Technologies Ltd Israel
Application granted granted Critical
Publication of DE69841689D1 publication Critical patent/DE69841689D1/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
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/41—Detecting, measuring or recording for evaluating the immune or lymphatic systems
    • A61B5/413—Monitoring transplanted tissue or organ, e.g. for possible rejection reactions after a transplant
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
    • A61B5/0031—Implanted circuitry
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/053—Measuring electrical impedance or conductance of a portion of the body
    • A61B5/0535—Impedance plethysmography
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
    • G01F1/36—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/72—Devices for measuring pulsing fluid flows
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/30—Piezoelectric or electrostrictive devices with mechanical input and electrical output, e.g. functioning as generators or sensors
    • H10N30/302—Sensors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/02—Details of sensors specially adapted for in-vivo measurements
    • A61B2562/028—Microscale sensors, e.g. electromechanical sensors [MEMS]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/372—Arrangements in connection with the implantation of stimulators
    • A61N1/37211—Means for communicating with stimulators
    • A61N1/37252—Details of algorithms or data aspects of communication system, e.g. handshaking, transmitting specific data or segmenting data
    • A61N1/37288—Communication to several implantable medical devices within one patient
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S310/00—Electrical generator or motor structure
    • Y10S310/80—Piezoelectric polymers, e.g. PVDF
DE69841689T 1997-12-30 1998-12-28 Piezoelektrischer wandler und anwendungsmethode Expired - Lifetime DE69841689D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/000,553 US6140740A (en) 1997-12-30 1997-12-30 Piezoelectric transducer
PCT/US1998/027669 WO1999034453A1 (en) 1997-12-30 1998-12-28 Piezoelectric transducer

Publications (1)

Publication Number Publication Date
DE69841689D1 true DE69841689D1 (de) 2010-07-08

Family

ID=21692008

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69841689T Expired - Lifetime DE69841689D1 (de) 1997-12-30 1998-12-28 Piezoelektrischer wandler und anwendungsmethode

Country Status (8)

Country Link
US (3) US6140740A (de)
EP (1) EP1042822B1 (de)
JP (1) JP4288388B2 (de)
AT (1) ATE469441T1 (de)
AU (1) AU2450099A (de)
CA (1) CA2316843C (de)
DE (1) DE69841689D1 (de)
WO (1) WO1999034453A1 (de)

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CA2316843A1 (en) 1999-07-08
JP2002528887A (ja) 2002-09-03
EP1042822A4 (de) 2006-09-13
CA2316843C (en) 2010-09-21
US6720709B2 (en) 2004-04-13
EP1042822B1 (de) 2010-05-26
AU2450099A (en) 1999-07-19
US20030006673A1 (en) 2003-01-09
EP1042822A1 (de) 2000-10-11
US6504286B1 (en) 2003-01-07
ATE469441T1 (de) 2010-06-15
WO1999034453A1 (en) 1999-07-08
US6140740A (en) 2000-10-31
JP4288388B2 (ja) 2009-07-01

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