Gravity flow cassette with rotary valve

Details Gravity flow cassette with rotary valve Gravity flow cassette with rotary valve

1985-02-25

1986-08-12

Rosenbaum, C. Fred

Surgery

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

Material introduced into and removed from body through...

128DIG12, 604152, A61M 100

Patent

active

046053964

ABSTRACT:
A gravity flow cassette for use with an I.V. infusion pump has a fluid inlet, a fluid outlet and a pump chamber with associated pump piston. A valve body having an annular groove and a partial groove parallel thereto is slidably disposed in the cassette for reciprocal movement between a first position and a second position. Engagement of the cassette with the pump firmly holds the valve body in the first position wherein the annular groove is sealed and the valve body can be rotated to alternately provide fluid communication through the partial groove between the inlet and the pump chamber or between the pump chamber and the outlet. Upon disengagement of the cassette from the pump, the valve body can be moved into the second position to seal the partial groove and provide for simultaneous fluid communication through the annular groove between the input, the output and the pump chamber.

REFERENCES:
patent: 3269412 (1966-08-01), Badke
patent: 3354910 (1967-11-01), Moen
patent: 3985133 (1976-10-01), Jenkins et al.
patent: 4047527 (1977-09-01), Kelsen
patent: 4303376 (1981-12-01), Siekmann
patent: 4396385 (1983-08-01), Kelly et al.
patent: 4423741 (1984-01-01), Levy
patent: 4450079 (1984-05-01), Farr

Affiliated with

Also associated with

Rating

Gravity flow cassette with rotary valve does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Gravity flow cassette with rotary valve, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Gravity flow cassette with rotary valve will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1934222