Antiocoagulant metering device and method

Details Antiocoagulant metering device and method Antiocoagulant metering device and method

1975-03-03

1976-06-22

Truluck, Dalton L.

Surgery

Respiratory method or device

Ozone or ion generation

128240, A61M 1100, A61M 2700

Patent

active

039644847

ABSTRACT:
An aspiration wand assembly having an associated metering valve for metering liquid anticoagulant to blood aspirated by the wand. The metering valve includes a flexible diaphragm normally obstructing conduit which transmits anticoagulant from a remote source to the tip of the aspiration wand. An orifice communicates the diaphragm with the interior of the aspiration wand so that various negative pressures in the wand correspondingly draw the diaphragm into any one of a plurality of positions away from the obstructing position.

REFERENCES:
patent: 2629399 (1953-02-01), Kulick
patent: 2804075 (1957-08-01), Borden
patent: 3335727 (1967-08-01), Spoto
patent: 3769982 (1973-11-01), Schulte
patent: 3807401 (1974-04-01), Riggle et al.

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