Disposable dental syringe

Details Disposable dental syringe Disposable dental syringe

1994-09-30

1995-09-26

Yasko, J.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604218, A61M 500

Patent

active

054530938

ABSTRACT:
A disposable retractable needle dental syringe is provided which includes a barrel having a needle carrier mounted therein with a cannula attached thereto. A slidable piston is mounted within the barrel which includes a shaft and hub for locking to the carrier. The plunger seal is conveniently mounted about the shaft between the plunger and the hub. A removable plunger is provided for attachment to and operation of the piston. A cap is provided to cover the open end of the barrel after the carrier and needle have been retracted.

REFERENCES:
patent: 858025 (1907-06-01), Reese
patent: 2661740 (1953-12-01), Hickey
patent: 4687472 (1987-08-01), Gross
patent: 4888002 (1989-12-01), Braginetz et al.
patent: 4950241 (1990-08-01), Ranford
patent: 5308329 (1994-05-01), Mazur et al.
patent: 5338304 (1994-08-01), Adams

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