Pinch valve syringe

Details Pinch valve syringe Pinch valve syringe

1981-07-06

1983-02-08

Yasko, John D.

Surgery

Respiratory method or device

Ozone or ion generation

128274, 251 7, A61M 300

Patent

active

043723071

ABSTRACT:
A syringe is provided which is particularly useful in dental work, but which has general utility. The syringe includes pinch valves, and it is constructed to be simple and inexpensive, requiring a minimum of components, and yet to be highly reliable. The syringe is capable of emitting, for example, a stream of air and water, or other fluids or particulate matter, each of which is independently controlled, and neither of which has any tendency to be emitted when only the other is required.

REFERENCES:
patent: 541865 (1895-07-01), Lundholm
patent: 3913882 (1975-10-01), Moulet
patent: 3970225 (1976-07-01), Jeal et al.
patent: 4097020 (1978-06-01), Sussman
patent: 4149315 (1979-04-01), Page, Jr. et al.
patent: 4245812 (1981-01-01), Burger

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