Cassette for intravenous-line flow-control system

Details Cassette for intravenous-line flow-control system Cassette for intravenous-line flow-control system

1997-08-22

2000-12-26

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604 30, A61M 100

Patent

active

061651540

ABSTRACT:
A cassette for controlling the flow of IV fluid from a patient to a source. The cassette preferably includes, along the fluid passage through the cassette, first and second membrane-based valves (6, 7) on either side of a pressure-conduction chamber (50), and a stopcock-type valve (20). The stopcock valve is preferably located downstream of the second membrane-based valve (7), which is preferably located downstream of the pressure-conduction chamber (50). The membrane defining the valving chamber of the second membrane-based valve (7) is preferably large and resilient, so that the valving chamber (75) may provide a supply of pressurized intravenous fluid to the patient, when the valve is closed and the stopcock valve provides a restriction downstream of the valve. The pressure-conduction chamber (50) preferably has a membrane (41) that is stable in the empty-chamber position but relatively unstable in the filled-chamber position.

REFERENCES:
patent: 1792906 (1931-02-01), Neilos
patent: 2526017 (1950-10-01), Figg
patent: 2902253 (1959-09-01), Page
patent: 3540694 (1970-11-01), Cornelius
patent: 3722858 (1973-03-01), Sugimoto et al.
patent: 3727882 (1973-04-01), Burris et al.
patent: 4230300 (1980-10-01), Wiltse
patent: 4648868 (1987-03-01), Hardwick et al.
patent: 4667927 (1987-05-01), Oscarsson
patent: 4807660 (1989-02-01), Aslanian
patent: 4818186 (1989-04-01), Pastrone et al.
patent: 5005604 (1991-04-01), Aslanian
patent: 5045068 (1991-09-01), Kawai et al.
patent: 5098262 (1992-03-01), Wecker et al.
patent: 5113904 (1992-05-01), Aslanian
patent: 5156186 (1992-10-01), Manska
patent: 5292306 (1994-03-01), Wynkoop et al.
patent: 5302093 (1994-04-01), Owens et al.
patent: 5378126 (1995-01-01), Abrahamson et al.
patent: 5584671 (1996-12-01), Schweitzer, Jr. et al.
patent: 5588816 (1996-12-01), Abbott et al.
patent: 5593290 (1997-01-01), Greisch et al.
patent: 5649810 (1997-07-01), Schweitzer, Jr. et al.
patent: 5816779 (1998-10-01), Lanless et al.
Bazaral, et al. "Recommendations for Specifications and Operator Interface Design for New Medical Infusion Pumps," Biomedical Instrumentation & Technology. 2:364-370 (Sep./Oct. 1992).
U.S. application No. 08/478,065, Houle et al., filed Jun. 1995.

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