Gas-absorbing pacer and method of fabrication

Details Gas-absorbing pacer and method of fabrication Gas-absorbing pacer and method of fabrication

1977-04-11

1978-11-28

Kamm, William E.

Surgery

Truss

Pad

429 57, A61N 136

Patent

active

041271343

ABSTRACT:
The cardiac pacer disclosed herein is of the type in which pulse-generating circuitry is energized by an electro-chemical cell of a type which gives off hydrogen during depletion of the cell, e.g. a mercury battery. A hermetically sealed case is provided for enclosing both the circuitry and the electro-chemical cell to protect them from body fluids, the case having at least one feed-through terminal for coupling pulses generated by the circuitry to a lead adapted for contacting a patient's heart. A getter is disposed within the case consisting essentially of a solid mass of palladium metal having a thin layer of palladium oxide formed on the outer surface thereof. A preferred method of forming the palladium oxide is by anodizing the mass of palladium metal in a sulphuric acid bath.

REFERENCES:
patent: 3287174 (1966-11-01), Hennigen et al.
patent: 3749101 (1973-07-01), Williamson
patent: 3926198 (1975-12-01), Kolenik
patent: 3943937 (1976-03-01), King et al.

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