Volumetric infusion pump
First Claim
1. A pump for pumping fluid through a tube, said pump comprising a tubeway and a tube present sensor having a first sensor arm with a blade operative to engage said tube and an axis about which said first sensor arm is pivotable and a sensor flag associated with said first sensor arm and an optical switch which is actuated by said sensor flag when a tube is in engagement with said sensor arm blade.
0 Assignments
0 Petitions
Accused Products
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.
-
Citations
5 Claims
- 1. A pump for pumping fluid through a tube, said pump comprising a tubeway and a tube present sensor having a first sensor arm with a blade operative to engage said tube and an axis about which said first sensor arm is pivotable and a sensor flag associated with said first sensor arm and an optical switch which is actuated by said sensor flag when a tube is in engagement with said sensor arm blade.
Specification