Cardiac pacer having alkali metal-halogen cell with mixed haloge

Details Cardiac pacer having alkali metal-halogen cell with mixed haloge Cardiac pacer having alkali metal-halogen cell with mixed haloge

1977-11-21

1979-01-23

Kamm, William E.

Surgery

Truss

Pad

429193, 429199, A61N 136

Patent

active

041355199

ABSTRACT:
A cardiac pacer having an alkali metal-halogen cell comprising an alkali metal anode, preferably lithium, a solid alkali metal-halogen electrolyte and a cathode comprising a mixture of two halogens, for example iodine and bromine, the two halogens providing discharge of the cell at two different levels of cell output voltage. The two halogens are in different proportions by weight of the mixture thereby providing a two step output voltage-time characteristic. The second step or plateau in the output voltage characteristic provides an early warning of pacer battery exhaustion.

REFERENCES:
patent: 3757793 (1973-09-01), Fester et al.
patent: 3976505 (1976-08-01), Farrington et al.
patent: 3981746 (1976-09-01), Margalit
Greatbatch et al., "IEEE Transactions on Biomedical Engineering", vol. 18, No. 5, Sep. 1971, pp. 317-323.

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