Cardiac pacer

Details Cardiac pacer Cardiac pacer

A - Human Necessities

61

N

326/1.1

A61N 1/36 (2006.01) A61N 1/375 (2006.01) A61N 1/378 (2006.01) H01M 10/52 (2006.01)

Patent

CA 1094168

ABSTRACT OF THE DISCLOSURE 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 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.

300903

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