Syringe

Details Syringe Syringe

1975-09-16

1977-05-24

Yasko, John D.

Surgery

Respiratory method or device

Ozone or ion generation

A61M 500

Patent

active

040248658

ABSTRACT:
A syringe is described incorporating a hollow body, a plunger therein, and a needle extending axially from the hollow body. The force required to depress the plunger is controlled by a friction device engaging the plunger, the friction device being adjustable by a threaded friction screw mounted in the hollow body. A finger grip is mounted on the friction screw and may be turned to adjust the position of the friction screw relative to the body.

REFERENCES:
patent: 786697 (1905-04-01), Wackenhuth
patent: 1142682 (1915-06-01), Dickinson
patent: 1592335 (1926-07-01), Brody et al.
patent: 1798116 (1931-03-01), Brockway
patent: 1834713 (1931-12-01), Kahn
patent: 2771880 (1956-11-01), Gotthart

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