Biological tissue stimulator with adjustable high voltage power

Details Biological tissue stimulator with adjustable high voltage power Biological tissue stimulator with adjustable high voltage power

1987-06-12

1990-04-17

Jaworski, Francis

Surgery

Truss

Pad

128422, 128734, A61N 100

Patent

active

049170937

ABSTRACT:
A biological tissue stimulator is disclosed having an adjustable high voltage power supply. The high voltage power supply is coupled to a battery producing a high voltage signal to be supplied to an output circuit for supplying an electrical stimulation signal of a predetermined current amplitude. An electrode is coupled to the electrical stimulation pulse and is adapted to be coupled to the biological tissue to deliver the electrical stimulation signal to the biological tissue. An adjustment mechanism is coupled to the output stage and to the adjustable high voltage power supply for comparing the amplitude of the high voltage signal to the amplitude of the voltage drop across the biological load and adjusting the amplitude of the high voltage signal dependent upon the result of that comparison. The adjustment mechanism adjusts the amplitude of the high voltage signal to minimize the difference in the amplitude between the high voltage signal and the voltage drop across the biological load thereby maximizing the energy efficiency of the biological tissue stimulator.

REFERENCES:
patent: 4595010 (1986-06-01), Radke
patent: 4630615 (1986-12-01), Yomtov
patent: 4665920 (1987-05-01), Campbell
patent: 4694830 (1987-09-01), Lekholm
patent: 4706674 (1987-11-01), Dieken et al.
patent: 4771781 (1988-09-01), Lerman
patent: 4790318 (1988-12-01), Elmqvist et al.

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