Surgery – Truss – Pad
Patent
1976-05-20
1978-04-04
Kamm, William E.
Surgery
Truss
Pad
320 32, 320 46, 320 48, A61N 136
Patent
active
040820971
ABSTRACT:
A system is disclosed for controlling the charging of a rechargeable battery in an implanted human tissue stimulator by means of an external power source. Included in the stimulator are battery protection devices designed to sense the state of charge of the battery and limit the charging currrent amplitude so as not to exceed a selected maximum based on different criteria including battery state of charge signals from the implanted stimulator which are indicative of the current amplitude and battery state of charge from one of the protection devices are transmited to an external unit. Based on these signals the external unit is operated in one of a plurality of modes to cause the battery to be charged by a current with an optimum safe amplitude irrespective of determined failure of one or more of the battery protection devices.
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Mann Alfred E.
Schulman Joseph H.
Kamm William E.
Pacesetter Systems Inc.
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