Needleless drug delivery system

Details Needleless drug delivery system Needleless drug delivery system

A - Human Necessities

61

D

128/65, 119/79

A61D 7/00 (2006.01) A61M 5/00 (2006.01) A61M 5/30 (2006.01) A61M 5/20 (2006.01)

Patent

CA 1326983

ABSTRACT OF THE DISCLOSURE A relatively simple portable, needleless apparatus for injecting drugs into cattle, etc. includes a fluid actuated, pistol-type, manually operated injector for discharging a drug under pressure; and a portable drive mounted in a backpack for controlling operation of the injector, the drive including a hydraulic fluid reservoir, a pressure accumulator for receiving fluid from the reservoir, a DC motor and pump combination for pumping fluid from the reservoir through a one-way valve to the accumulator when the pressure therein reaches a predetermined level, a solenoid valve permitting the flow of fluid under pressure from the accumulator to the injector to operate the latter, and for returning fluid from the injector to the reservoir following an injection.

609025

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