Valued device for controlling vacuum in surgery

Details Valued device for controlling vacuum in surgery Valued device for controlling vacuum in surgery

1978-03-17

1980-01-22

Cline, William R.

Fluid handling

Systems

With pump

137512, 137513, 137557, 1375123, 128276, 128305, F16K 1504, A61B 1732

Patent

active

041845102

ABSTRACT:
Apparatus and method for applying aspiration, irrigation, medication and ultrasonic power and dwell time to biotissue for surgery and treatment wherein the pressure for both aspirating and irrigating is precisely and accurately maintained by the use of a differential valve and a control reservoir which is generally much larger than the biotissue cavity to be operated on and wherein the pressures for irrigation, aspiration, medication and the application of the amplitude and dwell time of ultrasonic energy can be precisely controlled, externally, to the patient.

REFERENCES:
patent: 1039804 (1912-10-01), Richart
patent: 1133665 (1915-03-01), Powers et al.
patent: 1151230 (1915-08-01), Wilson
patent: 1202263 (1916-10-01), Bills et al.
patent: 1305964 (1919-06-01), Dickson
patent: 2449392 (1948-09-01), Kremiller
patent: 2809659 (1957-10-01), Gillespie et al.
patent: 3812855 (1974-05-01), Banko
patent: 3990452 (1976-11-01), Murry et al.

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