Two step IV fluid flow stop

Details Two step IV fluid flow stop Two step IV fluid flow stop

1994-05-09

1995-09-26

Rosenbaum, C. Fred

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604250, 251 7, A61M 500, F16K 704

Patent

active

054530989

ABSTRACT:
A device for holding an IV tube in a pumping apparatus and for selectively occluding the tube when the door of the pumping apparatus is opened, to prevent free flow of fluid in the tube. The device consists of a base member to which the IV tube is attached or through which it passes, and a slide clamp which slides relative to the base member and relative to the tube. The IV tube is passed through an elongated aperture in the slide clamp, and the slide clamp is slidingly mounted on the base member. The aperture in the slide clamp has a relatively open hole at one end, through which the tube passes when the slide clamp is in one position, allowing fluid to flow through the tube. The aperture also has a relatively constricted slot at the other end, through which the tube passes when the slide clamp is in a second position, preventing fluid flow through the tube. A flexible cantilevered arm on the base interlocks with a locking projection on the slide clamp to lock the slide clamp in the second position to maintain the tube in the occluded state. The door of the pumping apparatus interacts with the slide clamp to move the slide clamp from the first, flowing position to the second, occluding position when the pumping apparatus is opened. The door also interacts with the slide clamp to move the slide clamp from the occluding position to the open position when the door is shut.

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patent: 5017192 (1991-05-01), Dodge et al.
patent: 5190527 (1993-03-01), Hamilton et al.
patent: 5219327 (1993-06-01), Okada
patent: 5257978 (1993-11-01), Haber et al.

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