1
Frank L Kelly, Jozef I Kie Sioe Tan: Implantable living tissue stimulator with an improved hermetic metal container. Pacesetter Systems, Lindenberg Freilich, August 16, 1977: US04041955 (130 worldwide citation)

An implantable hermetically sealed living tissue stimulator which includes a coil in which current is induced by an external alternating magnetic field is disclosed. All the stimulator circuit components except for one or more electrode leads are hermetically sealed within a hermetic container forme ...


2
Joseph H Schulman, Jozef I Kie Sioe Tan: Implantable human tissue stimulator with memory protect means. Pacesetter Systems, Freilich Hornbaker Wasserman Rosen & Fernandez, April 15, 1980: US04197850 (116 worldwide citation)

In an implantable human tissue stimulator with a volatile memory an arrangement is provided to protect against the stimulating circuitry producing pulses as a function of unknown parameters in the memory, as a result of inadequate power to the memory from a rechargeable power source, e.g. a recharge ...