Volumetric drop detector

Details Volumetric drop detector Volumetric drop detector

1982-09-24

1984-02-21

Pellegrino, Stephen C.

Surgery

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

Treating material introduced into or removed from body...

7386141, 250560, A61M 516

Patent

active

044327625

ABSTRACT:
A device for measuring the volume of flow in a liquid conveying apparatus wherein drops of the liquid are formed and directed into a length of measurement tubing having a known internal diameter. As the drop is passed through the measurement tubing its length is determined by a combined optoelectronic mechanism including drop length sensors. The drop forming portion and measurement tubing can be manufactured from inexpensive resinous materials making these portions disposable and particularly adaptable to intravenous administration.

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patent: 3500366 (1970-03-01), Chesney et al.
patent: 3563090 (1971-02-01), Deltour
patent: 3815414 (1974-06-01), Hellstrom
patent: 3826137 (1979-07-01), Clarke
patent: 3898637 (1975-08-01), Wolstenholme
patent: 4038982 (1977-08-01), Burke et al.
patent: 4088411 (1978-05-01), Ahlquist et al.
patent: 4152767 (1979-05-01), Laliotis
patent: 4314484 (1982-02-01), Bowman

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