System for detecting and removing a gas bubble from a...

Details System for detecting and removing a gas bubble from a... System for detecting and removing a gas bubble from a...

2008-08-12

2010-10-05

Lucchesi, Nicholas D (Department: 3763)

Surgery

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

Treating material introduced into or removed from body...

C604S507000, C417S477200

Reexamination Certificate

active

07806863

ABSTRACT:
System for detecting and removing gas bubbles from a vascular infusion line, including a cassette adapted for disposition intermediate the fluid line, the cassette including a flexible tube having an inlet port for connection to a supply side of the fluid line, an outlet port configured for connection to a patient side of the fluid line, and a purge port intermediate the inlet and outlet ports, and a base unit adapted to receive the cassette and monitor fluid flow through the tube, the base unit including a sensor to detect the presence of a gas bubble in the fluid flow, a pinch valve adapted to stop the flow of fluid, and a control unit adapted to operate the base unit so that (i) fluid is permitted to flow past the pinch valve when no gas bubble is detected; and (ii) fluid flow is arrested when a gas bubble is detected.

REFERENCES:
patent: 5616124 (1997-04-01), Hague et al.
patent: 6142008 (2000-11-01), Cole et al.
patent: 6293926 (2001-09-01), Sorensen et al.
patent: 2003/0199803 (2003-10-01), Robinson et al.
patent: 2005/0118048 (2005-06-01), Traxinger

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