CA1236708A - Universal connector means for transducer/monitor systems - Google Patents

Universal connector means for transducer/monitor systems

Info

Publication number
CA1236708A
CA1236708A CA000459243A CA459243A CA1236708A CA 1236708 A CA1236708 A CA 1236708A CA 000459243 A CA000459243 A CA 000459243A CA 459243 A CA459243 A CA 459243A CA 1236708 A CA1236708 A CA 1236708A
Authority
CA
Canada
Prior art keywords
transducer
impedance
monitoring
output
blood pressure
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
Application number
CA000459243A
Other languages
English (en)
French (fr)
Inventor
Howard D. Phillips
Jacob J. Norman
George D. Ii Evans
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.)
Edwards Lifesciences Corp
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
Application granted granted Critical
Publication of CA1236708A publication Critical patent/CA1236708A/en
Expired legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/24Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/30Input circuits therefor
    • A61B5/307Input circuits therefor specially adapted for particular uses
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45Differential amplifiers
    • H03F3/45071Differential amplifiers with semiconductor devices only
    • H03F3/45076Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/45475Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using IC blocks as the active amplifying circuit
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/02Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/021Measuring pressure in heart or blood vessels
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/24Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/30Input circuits therefor
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45Differential amplifiers
    • H03F3/45071Differential amplifiers with semiconductor devices only
    • H03F3/45479Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection
    • H03F3/45928Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection using IC blocks as the active amplifying circuit
    • H03F3/4595Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection using IC blocks as the active amplifying circuit by using feedforward means
    • H03F3/45955Measuring at the input circuit of the differential amplifier
    • H03F3/45959Controlling the input circuit of the differential amplifier
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2560/00Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
    • A61B2560/04Constructional details of apparatus
    • A61B2560/0443Modular apparatus
    • A61B2560/045Modular apparatus with a separable interface unit, e.g. for communication

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Power Engineering (AREA)
  • Cardiology (AREA)
  • Vascular Medicine (AREA)
  • Physiology (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Amplifiers (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
  • External Artificial Organs (AREA)
CA000459243A 1983-07-19 1984-07-19 Universal connector means for transducer/monitor systems Expired CA1236708A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US51532883A 1983-07-19 1983-07-19
US06/515,328 1983-07-19
US62989284A 1984-07-16 1984-07-16
US629,892 1984-07-16

Publications (1)

Publication Number Publication Date
CA1236708A true CA1236708A (en) 1988-05-17

Family

ID=27058459

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000459243A Expired CA1236708A (en) 1983-07-19 1984-07-19 Universal connector means for transducer/monitor systems

Country Status (3)

Country Link
EP (1) EP0132380A3 (cg-RX-API-DMAC7.html)
JP (1) JPS6036033A (cg-RX-API-DMAC7.html)
CA (1) CA1236708A (cg-RX-API-DMAC7.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5813404A (en) * 1995-10-20 1998-09-29 Aspect Medical Systems, Inc. Electrode connector system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2429953C3 (de) * 1974-06-21 1987-10-22 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zur Verarbeitung physiologischer Meßsignale
JPS5117531A (ja) * 1974-08-02 1976-02-12 Hitachi Ltd Henryuki
US4173221A (en) * 1977-04-15 1979-11-06 Wallace Rogozinski EKG cable monitoring system

Also Published As

Publication number Publication date
EP0132380A3 (en) 1987-09-09
EP0132380A2 (en) 1985-01-30
JPS6036033A (ja) 1985-02-25
JPH0553493B2 (cg-RX-API-DMAC7.html) 1993-08-10

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Legal Events

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