Insufflator digital gas flow system

Details Insufflator digital gas flow system Insufflator digital gas flow system

1992-06-02

1994-03-08

Rosenbaum, C. Fred

Surgery

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

Gas application

604 23, A61M 3700

Patent

active

052923045

ABSTRACT:
A pressure controlling system for an insufflator includes a plurality of parallel connected, solenoid controlled valves. Each valve has in series therewith a gas flow limiter with the limiters arranged in digital succession. The valves are in parallel with one another and in series with the gas flow line so that solenoid opening of one or more of the valves controls gas flow in an on-off fashion with gas flow continuing through the respective flow limiting means to determine total flow rate in a digital manner.

REFERENCES:
patent: 4676774 (1987-06-01), Semm et al.
patent: 4966578 (1990-10-01), Baier et al.
patent: 5013294 (1991-05-01), Baier
patent: 5098375 (1992-03-01), Baier
patent: 5139478 (1992-08-01), Konincky et al.
patent: 5152745 (1992-10-01), Steiner et al.
patent: 5199944 (1993-04-01), Cosmisun

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