Electric stimulator and test instrument therefor

Details Electric stimulator and test instrument therefor Electric stimulator and test instrument therefor

1984-10-04

1986-07-15

Kamm, William E.

Surgery

Truss

Pad

128421, A61B 500

Patent

active

046000100

ABSTRACT:
Body stimulator apparatus comprises a portable housing containing a signal generator that supplies a periodically varying treatment signal of ultrasonic frequency and given voltage and current to electrodes applied to a living body to be treated. A retrievable record of the time of treatment is stored in digital form and the voltage and current are sensed and analog representations thereof are fed to a normally disabled analog to digital converter. The converter is enabled by synchronizing pulses from a separate test instrument and the analog representations converted to digital form are latched and loaded into a shift register array with the stored record of the treatment time and shifted out therefrom serially to the test instrument by clock pulses generated by the latter.
The test instrument is actuatable to generate the synchronizing and clock pulses required to enable the converter and actuate the shift register. The data output from the shift register in the stimulator is stored in a shift register in the test instrument and is selected for display on a display device by actuation of one of several actuator buttons actuatable selectively to retrieve either of the analog representations of the current and voltage or the stored record of the treatment time.

REFERENCES:
patent: 3253588 (1966-05-01), Vuilleumier et al.
patent: 3807392 (1974-04-01), Harris
patent: 4024875 (1977-05-01), Putzke
patent: 4115864 (1978-09-01), Vick et al.
patent: 4250888 (1981-02-01), Grosskopf
patent: 4276883 (1981-07-01), McDonald et al.
patent: 4360030 (1982-11-01), Citron et al.
patent: 4459988 (1984-07-01), Dugot
patent: 4509520 (1985-04-01), Dugot

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