IV regulator with integral flushing mechanism

Details IV regulator with integral flushing mechanism IV regulator with integral flushing mechanism

2011-07-12

2011-07-12

Sirmons, Kevin C (Department: 3767)

Surgery

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

Treating material introduced into or removed from body...

C604S251000

Reexamination Certificate

active

07976515

ABSTRACT:
The present invention describes IV regulators that allow interruption of normal controlled-flow for a safe and convenient bolus flush, either for a specific period of time or for a specific volume of saline flush. Two time-controlled IV regulators are shown, one employing a pneumatic cylinder counter-opposed by elastic band(s) for administering a bolus flush, and one employing a compressible lever and torsion spring counter-opposed by a rotary damper. In both cases the mechanisms disengage the roller-clamp from the IV tube for a predetermined amount of time to fully open fluid flow there through for a bolus flush before return to the regulated-flow position. The volume-controlled flow regulator employs two internal bladders and allows one bladder to fill while the other bladder drains (and vice versa) by flipping a slider paddle-type toggle, thus enabling the administration of a set volume of flush fluid.

REFERENCES:
patent: 4908019 (1990-03-01), Urquhart et al.
patent: 5728077 (1998-03-01), Williams et al.
patent: 5807312 (1998-09-01), Dzwonkiewicz
patent: 6638263 (2003-10-01), Theeuwes et al.
patent: 7327273 (2008-02-01), Hung et al.
patent: 2006/0122562 (2006-06-01), Needle et al.

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