Pump, and an apparatus incorporating the pump for infusing...

Details Pump, and an apparatus incorporating the pump for infusing... Pump, and an apparatus incorporating the pump for infusing...

A - Human Necessities

61

M

128/104, 103/43

A61M 35/00 (2006.01)

Patent

CA 1164758

ABSTRACT "A Pump, and an Apparatus incorporating such a Pump for infusing Liquid Medicine" The pump has a chamber in which a piston reciprocates to pump a liquid. The piston is moved by having secured thereto the armature of at least one electromagnet (preferably two). The coil of the electromagnet is suitably external of the pump casing. A control circuit pulses the electromagnet at a predetermined rate to provide a predetermined periodic output. In a preferred form, the pump is mounted together with a liquid reservoir on a printed circuit board, and the unit is encapsulated for implantation in the human body to infuse a liquid medicine at a controlled rate into the bloodstream.

373737

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