A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
128/82
A61M 1/00 (2006.01) A61M 5/142 (2006.01) F04B 5/02 (2006.01)
Patent
CA 1170532
SYRINGE PUMP ABSTRACT There is disclosed an improved fluid delivery system for continuous and substantially constant delivery of liquids such as medications, nutrients, blood, plasma, etc. from a reservoir to animals and human patients which employs a syringe type mechanism with a reciprocating piston. A by-pass means and appropriate valving permit constant and equal fluid delivery throughout the reciprocating motion of the piston. In addition, a sealing means is provided which prevents contamination of the fluid and internal working elements of the pump during all stages of pump use and operation via exposure of the driving rod to external contaminants. A fail-safe external valving system ensures that fluid is not supplied to the patient by gravity from the reservoir in the event of any failure of the pump.
364879
Bionostic S. A.
Gowling Lafleur Henderson Llp
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