Surgical operating system with upper pressure limit

Details Surgical operating system with upper pressure limit Surgical operating system with upper pressure limit

1977-05-12

1978-10-03

Yasko, John D.

Surgery

Respiratory method or device

Ozone or ion generation

128305, A61M 100

Patent

active

041178432

ABSTRACT:
A system for controlling the infusion of fluid to an operating field at a selected predetermined pressure, as a counterpart to an instrument for severing material of an object in the field, and for evacuating through a passage the severed material from the field in a suspension or emulsion of the infusion fluid. The system provides a means for maintaining a constant differential pressure between the operating field and its infusion line and the pressure in the line communicating with the passage through which material is being evacuated at the time a reverse fluid flow mode of operation is initiated in the system to send fluid down the passage through which the severed material is normally evacuated.

REFERENCES:
patent: 3906954 (1975-09-01), Baehr et al.
patent: 3920014 (1975-11-01), Banko
patent: 4007742 (1977-02-01), Banko

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