Multidose disposable syringe and method of filling same

Details Multidose disposable syringe and method of filling same Multidose disposable syringe and method of filling same

1986-07-17

1987-12-29

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

604 89, 604122, 604125, 604208, 92174, 141 2, A61M 500

Patent

active

047158549

ABSTRACT:
The multidose syringe is provided with two pistons which are attached by a string to move simultaneously. A groove in the barrel for delivering fluid into and from the innermost fluid chamber is provided with baffles to create turbulence in the fluid flow to preclude entry of air into the fluid chamber between the pistons during filling of the syringe.

REFERENCES:
patent: 1733057 (1930-08-01), Morefield
patent: 3598120 (1971-08-01), Mass
patent: 4188949 (1980-02-01), Antoshkiw
patent: 4246898 (1981-01-01), Travalent et al.
patent: 4439184 (1984-03-01), Wheeler
patent: 4496344 (1985-01-01), Kamstra

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