System for generating substantially constant fluid pressure

Details System for generating substantially constant fluid pressure System for generating substantially constant fluid pressure

1986-10-15

1989-06-27

Rosenbaum, C. Fred

Surgery

Blood drawn and replaced or treated and returned to body

Constituent removed from blood and remainder returned to body

604134, 604131, 222101, A61M 3700

Patent

active

048425761

ABSTRACT:
A system for generating substantially constant fluid pressure is provided for forcing fluid from a variable volume container. The system includes a roller that rotates in response to a constant applied torque to force fluid from the flexible container under a substantially constant pressure. Two spaced apart parallel rollers can exert force on both sides of the container.

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