Multiple dosage syringe

Details Multiple dosage syringe Multiple dosage syringe

A - Human Necessities

61

C

83/11, 128/67, 2

A61C 5/04 (2006.01) A61C 5/06 (2006.01) A61C 9/00 (2006.01) A61M 5/24 (2006.01) A61M 5/28 (2006.01) A61M 5/315 (2006.01) A61M 5/34 (2006.01)

Patent

CA 1270668

MULTIPLE DOSAGE SYRINGE ABSTRACT A multiple, metered dosage device having an elongated body provided adjacent one end with a compartment or an ampule to contain material to be dispensed, a piston movable against the material to discharge it from a nozzle, a rod-like plunger movable by a pressure device against the piston to discharge material and a combination stop and release unit movable intermediately of the ends of the body between depressed and elevated positions respectively to engage a pair of racks of teeth on the plunger and including first and second teeth respectively engageable with the racks of teeth sequentially to permit the pressure device to advance the plunger and piston in similar metered, precise or predetermined increments of feeding in discharge direction and then stop the feeding movement and maintain such stopped position until the stop and release unit next is depressed.

516600

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