Gas absorbing implantable electrical medical device

Details Gas absorbing implantable electrical medical device Gas absorbing implantable electrical medical device

1974-07-05

1976-03-16

Kamm, William E.

Surgery

Truss

Pad

136179, A61N 136

Patent

active

039439372

ABSTRACT:
An implantable electrically actuated medical device having gas storage characteristics in which the device includes one or more electrochemical cells and an operative electric circuitry mounted in a metallic container, all of which are positioned in a mounting member made of a material which is highly permeable with respect to hydrogen gas, relatively impervious to liquid and which bonds well with an epoxy resin encapsulant coating over the device. The mounting member may be foamed as it is molded to provide voids therein for storage of gas or the recesses in which the electrochemical cells are mounted may be supplied with sponge-like pads for absorbing excess gas until it can permeate through the encapsulant to reduce pressure build-up within the device and prevent cracking of the casing.

REFERENCES:
patent: 3033911 (1962-05-01), Duddy
patent: 3159508 (1964-12-01), Chreitzberg
patent: 3690325 (1972-09-01), Kenny
patent: 3842842 (1974-10-01), Kenny et al.

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