CA2338254A1 - A transducer, a method of shaping a transducer, and a method of monitoring a subject - Google Patents

A transducer, a method of shaping a transducer, and a method of monitoring a subject Download PDF

Info

Publication number
CA2338254A1
CA2338254A1 CA002338254A CA2338254A CA2338254A1 CA 2338254 A1 CA2338254 A1 CA 2338254A1 CA 002338254 A CA002338254 A CA 002338254A CA 2338254 A CA2338254 A CA 2338254A CA 2338254 A1 CA2338254 A1 CA 2338254A1
Authority
CA
Canada
Prior art keywords
electrodes
transducer
piezoelectric member
subject
sheet
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.)
Abandoned
Application number
CA002338254A
Other languages
English (en)
French (fr)
Inventor
Arnim Littek
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.)
MED-DEV Ltd
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2338254A1 publication Critical patent/CA2338254A1/en
Abandoned 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
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/0205—Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
    • 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
    • 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
    • H10N30/80—Constructional details
    • H10N30/87—Electrodes or interconnections, e.g. leads or terminals
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
    • A61B5/1071—Measuring physical dimensions, e.g. size of the entire body or parts thereof measuring angles, e.g. using goniometers
CA002338254A 1998-07-24 1999-07-23 A transducer, a method of shaping a transducer, and a method of monitoring a subject Abandoned CA2338254A1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
NZ33109698 1998-07-24
NZ331096 1998-07-24
NZ331698 1998-09-02
NZ33169798 1998-09-02
NZ331697 1998-09-02
NZ33169898 1998-09-02
PCT/NZ1999/000112 WO2000005771A1 (en) 1998-07-24 1999-07-23 Offset arrangement of electrodes on a piezoelectric transducer

Publications (1)

Publication Number Publication Date
CA2338254A1 true CA2338254A1 (en) 2000-02-03

Family

ID=27353860

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002338254A Abandoned CA2338254A1 (en) 1998-07-24 1999-07-23 A transducer, a method of shaping a transducer, and a method of monitoring a subject

Country Status (5)

Country Link
EP (1) EP1103078A1 (pt)
AU (1) AU4808099A (pt)
BR (1) BR9912365A (pt)
CA (1) CA2338254A1 (pt)
WO (1) WO2000005771A1 (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6801803B2 (en) * 2000-10-16 2004-10-05 Instrumentarium Corp. Method and apparatus for determining the cerebral state of a patient with fast response
US6731975B1 (en) 2000-10-16 2004-05-04 Instrumentarium Corp. Method and apparatus for determining the cerebral state of a patient with fast response
DE50203457D1 (de) * 2001-04-30 2005-07-28 Siemens Ag Weiterkontaktierung für ein elektrisches bauteil sowie piezoelektrisches bauteil in vielschichtbauweise
DE102008031641B4 (de) * 2008-07-04 2017-11-09 Epcos Ag Piezoaktor in Vielschichtbauweise
CZ308222B6 (cs) 2013-10-08 2020-03-11 Linet Spol. S. R. O. Zařízení pro bezkontaktní monitorování vitálních funkcí pacienta
WO2015189476A1 (en) * 2014-06-12 2015-12-17 Mega Elektroniikka Oy Electrode band for sensing bio-electrical signal
US11284808B2 (en) 2014-10-11 2022-03-29 Linet Spol. S.R.O. Device and method for measurement of vital functions, including intracranial pressure, and system and method for collecting data
AT524289A1 (de) * 2020-10-12 2022-04-15 Pacemaker Tech Gmbh Verfahren zur Kraft- bzw. Druckmessung, insbesondere für eine Ganganalyse, mit einem piezoelektrischen Sensor sowie piezoelektrischer Sensor hierzu

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4376302A (en) * 1978-04-13 1983-03-08 The United States Of America As Represented By The Secretary Of The Navy Piezoelectric polymer hydrophone
FR2475804A1 (fr) * 1980-02-12 1981-08-14 Lewiner Jacques Perfectionnements aux nappes composites constitutives de transducteurs electromecaniques et aux transducteurs equipes de telles nappes
US4509527A (en) * 1983-04-08 1985-04-09 Timex Medical Products Corporation Cardio-respiration transducer
JPS612376A (ja) * 1984-06-14 1986-01-08 Ngk Spark Plug Co Ltd シ−ト状圧電体
US5448996A (en) * 1990-02-02 1995-09-12 Lifesigns, Inc. Patient monitor sheets
JPH08222777A (ja) * 1995-02-14 1996-08-30 Star Micronics Co Ltd 圧電素子およびその製造方法
JPH09331685A (ja) * 1996-06-10 1997-12-22 Sera Tec:Kk 積層型圧電アクチュエータ

Also Published As

Publication number Publication date
WO2000005771A1 (en) 2000-02-03
BR9912365A (pt) 2001-04-17
EP1103078A1 (en) 2001-05-30
AU4808099A (en) 2000-02-14

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Legal Events

Date Code Title Description
FZDE Discontinued