Volumetric infusion pump

Details Volumetric infusion pump Volumetric infusion pump

1998-01-28

2000-10-10

Freay, Charles G.

Pumps

With signal, indicator, or inspection means

F04B 4900

Patent

active

061295175

ABSTRACT:
A medical infusion pump is disclosed which has a tube present sensor that determines the position of the tube within a pumping body. The tube present sensor having a pivotable sensor arm with a blade which engages the tube. The pivotable sensor arm having a sensor flag which actuates an optical switch to signal that the sensor arm is in engagement with the tube. The sensor exchanges positional information with a pump controller to affect operation of the pump.

REFERENCES:
patent: 4758228 (1988-07-01), Williams
patent: 4781548 (1988-11-01), Alderson et al.
patent: 4836752 (1989-06-01), Burkett
patent: 5482438 (1996-01-01), Anderson et al.
patent: 5567120 (1996-10-01), Hungerford et al.
patent: 5938413 (1999-08-01), Makino et al.

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