CA2345389A1 - Implantable sensor with wireless communication - Google Patents

Implantable sensor with wireless communication Download PDF

Info

Publication number
CA2345389A1
CA2345389A1 CA002345389A CA2345389A CA2345389A1 CA 2345389 A1 CA2345389 A1 CA 2345389A1 CA 002345389 A CA002345389 A CA 002345389A CA 2345389 A CA2345389 A CA 2345389A CA 2345389 A1 CA2345389 A1 CA 2345389A1
Authority
CA
Canada
Prior art keywords
sensor device
implantable sensor
wireless communication
pressure
heart
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
CA002345389A
Other languages
French (fr)
Other versions
CA2345389C (en
Inventor
Brian P. Brockway
Perry Alton Mills
Lynn M. Zwiers
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.)
Data Sciences International Inc
Original Assignee
Data Sciences International, Inc.
Brian P. Brockway
Perry Alton Mills
Lynn M. Zwiers
Transoma Medical, 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 Data Sciences International, Inc., Brian P. Brockway, Perry Alton Mills, Lynn M. Zwiers, Transoma Medical, Inc. filed Critical Data Sciences International, Inc.
Publication of CA2345389A1 publication Critical patent/CA2345389A1/en
Application granted granted Critical
Publication of CA2345389C publication Critical patent/CA2345389C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/68Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6846Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
    • A61B5/6879Means for maintaining contact with the body
    • A61B5/6882Anchoring means
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/0002Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
    • A61B5/0026Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by the transmission medium
    • A61B5/0028Body tissue as transmission medium, i.e. transmission systems where the medium is the human body
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/0002Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
    • A61B5/0031Implanted circuitry
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/02Detecting, 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
    • A61B5/021Measuring pressure in heart or blood vessels
    • A61B5/0215Measuring pressure in heart or blood vessels by means inserted into the body
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00Electrotherapy; Circuits therefor
    • A61N1/18Applying electric currents by contact electrodes
    • A61N1/32Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/372Arrangements in connection with the implantation of stimulators
    • A61N1/37205Microstimulators, e.g. implantable through a cannula

Abstract

An implantable sensor device, such as a pressure monitor, is implanted in the left ventricle (LV), in other heart chambers, or else-where, from which it wirelessly communicates pressure information to a remote communication device. The sensor device can be im-planted using a placement catheter, an endoscope, or a laparoscope.
The device can be secured entirely within the LV or heart wall, such as by using a corkscrew, a helical anchor, a harpoon, a threaded mem-ber, a hook, a barb, a fastener, a suture, or a mesh or coating for receiving fibrous tissue growth. The implantable sensor device pro-vides less invasive chronic measurements of left ventricular blood pressure or other physical parameters. The wireless communica-tion techniques include radio-telemetry, inductive coupling, passive transponders, and using the body as a conductor (referred to as "in-tracorporeal conductive communication" or "personal area network").
Data from the receiver is downloadable into a computer for analysis or display.
CA002345389A 1998-09-24 1999-09-07 Implantable sensor with wireless communication Expired - Fee Related CA2345389C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/159,653 1998-09-24
US09/159,653 US6409674B1 (en) 1998-09-24 1998-09-24 Implantable sensor with wireless communication
PCT/US1999/020464 WO2000016686A2 (en) 1998-09-24 1999-09-07 Implantable sensor with wireless communication

Publications (2)

Publication Number Publication Date
CA2345389A1 true CA2345389A1 (en) 2000-03-30
CA2345389C CA2345389C (en) 2008-08-05

Family

ID=22573425

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002345389A Expired - Fee Related CA2345389C (en) 1998-09-24 1999-09-07 Implantable sensor with wireless communication

Country Status (5)

Country Link
US (3) US6409674B1 (en)
EP (1) EP1115329B1 (en)
CA (1) CA2345389C (en)
DE (1) DE69929448T2 (en)
WO (1) WO2000016686A2 (en)

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