Physiological draining system with differential pressure and com

Details Physiological draining system with differential pressure and com Physiological draining system with differential pressure and com

1983-11-04

1989-09-19

Rosenbaum, C. Fred

Surgery

Means and methods for collecting body fluids or waste material

137510, 604185, A61M 500

Patent

active

048677418

ABSTRACT:
A compensating valve and a drainage system for draining a body fluid from one body region to another body region. The system enables routine drainage at predetermined differential pressures, provides for pumping action, for flushing action to clear the system of obstructive material, and for resisting over-drainage which can occur when the patient makes an abrupt and relatively large change in his position. A compensating valve purpose has a valving action which is proportional to various parameters so as to enable continuous and proportional control for drainage rather than an on/off control.

REFERENCES:
patent: 3111125 (1963-11-01), Schulte
patent: 3503402 (1970-03-01), Schulte
patent: 3756243 (1973-09-01), Schulte
patent: 3768508 (1973-10-01), Schulte
patent: 3769982 (1973-11-01), Schulte
patent: 3901245 (1975-08-01), Spitz et al.
patent: 3991768 (1976-11-01), Portnoy
patent: 3999553 (1976-12-01), Spitz et al.
patent: 4493339 (1985-01-01), Porter, Jr.

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