CA2161323A1 - Apparatus and method for high speed data communication between an external medical device and an implantable medical device - Google Patents

Apparatus and method for high speed data communication between an external medical device and an implantable medical device

Info

Publication number
CA2161323A1
CA2161323A1 CA002161323A CA2161323A CA2161323A1 CA 2161323 A1 CA2161323 A1 CA 2161323A1 CA 002161323 A CA002161323 A CA 002161323A CA 2161323 A CA2161323 A CA 2161323A CA 2161323 A1 CA2161323 A1 CA 2161323A1
Authority
CA
Canada
Prior art keywords
medical device
antenna coil
communication
energy
high speed
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.)
Granted
Application number
CA002161323A
Other languages
French (fr)
Other versions
CA2161323C (en
Inventor
Timothy J. Cox
Randolph K. Armstrong
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.)
Intermedics Inc
Original Assignee
Timothy J. Cox
Randolph K. Armstrong
Intermedics Inc.
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 Timothy J. Cox, Randolph K. Armstrong, Intermedics Inc. filed Critical Timothy J. Cox
Publication of CA2161323A1 publication Critical patent/CA2161323A1/en
Application granted granted Critical
Publication of CA2161323C publication Critical patent/CA2161323C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • A61N1/378—Electrical supply
    • A61N1/3787—Electrical supply from an external energy source
    • 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
    • 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
    • A61N1/37217—Means for communicating with stimulators characterised by the communication link, e.g. acoustic or tactile
    • A61N1/37223—Circuits for electromagnetic coupling
    • 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
    • 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
    • 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
    • Y10S128/00—Surgery
    • Y10S128/903—Radio telemetry

Abstract

A method of communication data between an external device and an implantable medical device wherein a first pulse is transmitted as electromagnetic energy from one device to the other, is received and stored as electrostatic energy in the second device and, after a delay period representing data to be communicated, the stored energy is released and transmitted as electromagnetic energy back to the first device. A communication circuit in the implantable device for accomplishing the method includes an antenna coil, a non-linear electronic component in circuit communication with the antenna coil, a storage capacitor in circuit communication with the antenna coil and non-linear electronic component for storing energy received by the antenna coil, and a switch for selectively connecting the charged storage capacitor and the antenna coil to discharge the charge stored in the capacitor into the antenna coil.
CA002161323A 1993-05-05 1994-04-28 Apparatus and method for high speed data communication between an external medical device and an implantable medical device Expired - Fee Related CA2161323C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/058,752 1993-05-05
US08/058,752 US5383912A (en) 1993-05-05 1993-05-05 Apparatus for high speed data communication between an external medical device and an implantable medical device
PCT/US1994/004646 WO1994025105A1 (en) 1993-05-05 1994-04-28 Apparatus and method for high speed data communication between an external medical device and an implantable medical device

Publications (2)

Publication Number Publication Date
CA2161323A1 true CA2161323A1 (en) 1994-11-10
CA2161323C CA2161323C (en) 2001-02-27

Family

ID=22018719

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002161323A Expired - Fee Related CA2161323C (en) 1993-05-05 1994-04-28 Apparatus and method for high speed data communication between an external medical device and an implantable medical device

Country Status (6)

Country Link
US (2) US5383912A (en)
EP (1) EP0697900B1 (en)
JP (1) JPH08509637A (en)
CA (1) CA2161323C (en)
DE (1) DE69425055T2 (en)
WO (1) WO1994025105A1 (en)

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Also Published As

Publication number Publication date
DE69425055D1 (en) 2000-08-03
EP0697900A1 (en) 1996-02-28
EP0697900B1 (en) 2000-06-28
US5383912A (en) 1995-01-24
CA2161323C (en) 2001-02-27
JPH08509637A (en) 1996-10-15
DE69425055T2 (en) 2001-05-10
US5480415A (en) 1996-01-02
WO1994025105A1 (en) 1994-11-10

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