Disposable barrel dental impression material syringe

Details Disposable barrel dental impression material syringe Disposable barrel dental impression material syringe

1992-09-30

1994-06-28

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

604218, 604311, 433 90, A61M 500

Patent

active

053242734

ABSTRACT:
A disposable barrel dental impression syringe having a rotatable malleable needle cannula. A disposable barrel is fitted with a malleable needle cannula that is seated to permit easy rotation thereof. A handle is threaded onto the open end of the barrel. A plunger is fitted through the handle and barrel forming a syringe for the extrusion of dental impression material. The needle cannula is positioned within the discharge end of the barrel in such a way to permit easy rotation, yet prevent pushing or pulling the needle cannula through the discharge end of the barrel. This permits exact positioning of the needle cannula for placement of dental impression material. Additionally, only the barrel portion of the syringe being disposable, the precision and feel of a high quality impression syringe is maintained.

REFERENCES:
patent: 1139975 (1915-05-01), Hopper
patent: 2034294 (1936-03-01), Hein
patent: 3290946 (1966-12-01), Pursell
patent: 3364002 (1968-01-01), Michel
patent: 3900954 (1975-08-01), Dragan
patent: 4002174 (1977-01-01), Reed et al.
patent: 4492576 (1985-01-01), Dragan
patent: 4540405 (1985-09-01), Miller et al.
patent: 4784607 (1988-11-01), Francois

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