Liquid infusion unit

Details Liquid infusion unit Liquid infusion unit

A - Human Necessities

61

M

128/82

A61M 5/14 (2006.01) A61M 5/152 (2006.01) A61M 39/28 (2006.01)

Patent

CA 1063475

A B S T R A C T A liquid infusion unit for infusing liquid drug continuously into a patient at a controlled rate is disclosed. The unit comprises: a housing that is adapted to be attached to the patient; a removable, refillable liquid drug cartridge that fits into a recess in the housing exterior; a liquid drug flow passageway enclosed within the housing whose inlet connects with the cartridge outlet; an adjustable flow controller in the passageway that regulates precisely the flow rate of liquid drug; a conduit connected to the outlet of the passageway that extends to the infusion site; and a catheter or needle connected to the end of the conduit that is inserted into the patient at the infusion site.

219297

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