Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1992-08-24
1993-10-19
Lewis, Ralph
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
128DIG13, 7386141, 604 65, A61M 516
Patent
active
052541029
ABSTRACT:
An apparatus for controlling the rate of dripping of an intravenous fluid, comprising (i) a drip-detecting device for detecting that an intravenous fluid has dripped into a drip-feed bottle, (ii) a clock for measuring time and indicating the current time, (iii) a constricting arrangement connected to a fluid-supply pipe extending from the drip-feed bottle in a downstream direction, for constricting the supply tube, and (iv) a flow controller for controlling the amount of constriction of the supply pipe by the constricting arrangement, based on a signal from the drip-detecting device indicating detection of a drip and a time signal from the clock. The apparatus enables one to accurately control the interval of time at which an intravenous fluid drips into the drip-feed bottle and, hence, to administer the fluid to a patient at a desired rate.
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