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Controlled transcutaneous powering of a chronically implanted telemetry device.

Authors
Type
Published Article
Journal
Biotelemetry and patient monitoring
Publication Date
Volume
6
Issue
4
Pages
176–185
Identifiers
PMID: 526571
Source
Medline

Abstract

Radiofrequency (RF) powered subcutaneous transmitter devices offer the unique possibility of very long-term measurements from sites within the body under a variety of normal living conditions without percutaneous connections and concomitant dangers such as local tissue infection. Disturbances in the energy transport across the cutaneous barrier may, however, give rise to output data signal fluctuations, which are perceived as transients or drift. A RF-powered implanted biotelemetry device is proposed where the energy transport is controlled by continually optimizing the emission frequency and the duration of energy transfer.

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