Flow control mechanism for a plasmaspheresis assembly or the lik

Details Flow control mechanism for a plasmaspheresis assembly or the lik Flow control mechanism for a plasmaspheresis assembly or the lik

1982-06-21

1984-01-10

Pellegrino, Stephen C.

Surgery

Blood drawn and replaced or treated and returned to body

Constituent removed from blood and remainder returned to body

604 34, 604250, 251 9, A61M 500, A61M 103

Patent

active

044251130

ABSTRACT:
A flow control device includes a first member and a second member which has a movable portion. The first member accommodates the attachment of a length of flexible conduit. The second member can be positioned on the first member to sandwich the secured conduit between the first member and the movable portion of the second member. When in this position, displacement of the movable portion serves to selectively pinch close the secured conduit between the movable portion and the first member. Fluid flow through the conduit can thus be conveniently controlled. The device is extremely adaptable and can be readily incorporated into virtually any fluid system which requires complex, repetitive valving functions, such as those associated with a plasmapheresis assembly.

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