Dental syringe

Details Dental syringe Dental syringe

A - Human Necessities

61

C

83/3

A61C 17/02 (2006.01)

Patent

CA 1112915

ABSTRACT A dental syringe is connectible to sources of air and water under pressure for selectively providing a solid stream of water, a jet of air or a spray of water and air. The maximum rate flow of air and/or water to be used is independent- ly metered in the handle portion of the syringe to limit the flow as required by the dental work being performed. Valve assemblies in the valve body portion of the syringe for inde- pendently controlling the air and water flow have respective actuator means each of which is interconnected with the valve assembly therefor to pull back into the water passage system downstream of the valve assembly any water that may be adjacent to the orifice of the syringe when the water flow is interrupted.

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