Disposable additive syringe

Details Disposable additive syringe Disposable additive syringe

1976-11-19

1977-11-22

Yasko, John D.

Surgery

Respiratory method or device

Ozone or ion generation

128221, 141329, A61J 100

Patent

active

040591123

ABSTRACT:
A disposable additive syringe having a cylindrical barrel closed at the rear end by a slidable plunger and at the front end by a diaphragm assembly including a flexible and pierceable wall defining a medicament chamber between the plunger and the flexible wall. A cap and spike assembly mounted on the front end of the cylindrical barrel, said spike being positioned so that its end will be spaced from and outside the flexible wall and having a passage therethrough, a cannula extending forwardly from the cap and in fluid communication with the spike, a cylindrical safety guide extending forwardly from the cap and surrounding the cannula, a spike mounted by the safety guide and in fluid communication with the cannula, and a sheath supported by and covering the spike.

REFERENCES:
patent: 3375825 (1968-04-01), Keller
patent: 3608550 (1971-09-01), Stawski
patent: 3826261 (1974-07-01), Killinger
patent: 3995630 (1976-12-01), Van De Veerdonk

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