Root canal delivery syringe

Details Root canal delivery syringe Root canal delivery syringe

1977-03-03

1978-10-24

Yasko, John D.

Surgery

Respiratory method or device

Ozone or ion generation

128236, A61M 500

Patent

active

041215877

ABSTRACT:
An improved syringe is provided for root canal applications comprising a generally cylindrical or polygonal hollow barrel threaded internally at its distal end and at its proximal end, and a plunger which is substantially coextensive in length with and is adapted to slide through the cylinder. The plunger is closed face at its distal end and is externally threaded at its proximal end for threaded engagement with the internal threads at the proximal end of the cylinder. The plunger is integrally capped at its proximal end and the cap is provided with a handle for turning the plunger in order to insert it in or retract it from the cylinder. A needle is integrally attached to a hub which is provided with a central externally threaded tubular member adapted to threadedly engage with the internal threads of the distal end of the cylinder.

REFERENCES:
patent: 546073 (1895-09-01), Mix
patent: 781283 (1905-01-01), Higgins
patent: 786697 (1905-04-01), Wackenhuth
patent: 843587 (1907-02-01), De Pew
patent: 1217630 (1917-02-01), Powers
patent: 1751139 (1930-03-01), Feinstein
patent: 3672369 (1972-06-01), Brown

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