BATTERY LIFE AND MOISTURE PENETRATION OF SUBDERMALLY IMPLANTED DEVICES.
Final rept. Mar 67-Mar 68,
SCHOOL OF AEROSPACE MEDICINE BROOKS AFB TEX
Pagination or Media Count:
Tests were conducted to determine cause of relatively short and variable life spans of subdermally implanted electronic devices. The investigation was restricted to body fluid penetration of the epoxy case used for the implanted device and to operational life span of the power supply. Samples of the epoxy used for the implant cases were checked for rate of moisture absorption, and life tests were conducted on the power supply of the implant. The tests consisted of actual animal implantations and simulated implanted conditions in the laboratory. Results indicate the commercial epoxy used for the implant cases was imprevious to body fluids for the length of the test period. Cause of short and variable life span of implanted devices is attributed to the type of mercury batteries used. Author
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