Digital means for non-invasively controlling the parameters of a

Details Digital means for non-invasively controlling the parameters of a Digital means for non-invasively controlling the parameters of a

1977-05-09

1979-08-21

Kamm, William E.

Surgery

Truss

Pad

A61N 136

Patent

active

041649443

ABSTRACT:
A heart pacer employing a digital parameter controlling circuit is controlled by externally transmitted magnetic pulses of width corresponding to the desired ultimate parameter controlling signal. In the embodiment shown, a magnetic pulse of width about 5.1 milliseconds corresponds to a digital "0", and a pulse of about 20.5 milliseconds corresponds to a digital "1". Circuits for generating and transmitting the pulses as well as for receiving and controlling the pacer parameters in accordance with the pulses are shown.

REFERENCES:
patent: 3805796 (1974-04-01), Terry, Jr. et al.
patent: 3830242 (1974-08-01), Greatbatch
patent: 4049004 (1977-09-01), Walters

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