3867950 is referenced by 200 patents and cites 12 patents.

An improved fixed-rate cardiac pacer or stimulator adapted for human implantation which utilizes, as its power source, a single, rechargeable cell battery which is recharged through the patient's skin by magnetic induction. The rechargeable battery supplies operating energy to transistorized pulse generating circuitry which is of simplified and fail-safe design effective to produce periodic heart stimulating output pulses at a controlled pulse rate. The electronic pulse generating circuitry is purposely designed such that the output pulse rate varies as a function of the battery voltage and also as a function of body temperature. The mechanical design of the rechargeable pacer or stimulator is compact in order to reduce volume and weight of the device; it is constructed of materials making it more acceptable to human implantation; and, it is hermetically sealed to prevent the infusion of body fluids and at the same time provide shielding against electromagnetic interference.

Fixed rate rechargeable cardiac pacemaker
Application Number
Publication Number
Application Date
June 18, 1971
Publication Date
February 25, 1975
Fischell Robert E
Lacey John S
Archibald Robert E
The Johns Hopkins University
A61n 01/36
A61N 01/378
A61N 01/365
A61N 01/372
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