Powder syringe mixing system

Details Powder syringe mixing system Powder syringe mixing system

1982-11-30

1985-05-07

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

604 89, 604 92, 604416, A61J 100

Patent

active

045155860

ABSTRACT:
A pre-filled chamber having a piston plug at one end and a stopper at the other end. The chamber is filled with a powdered medicament that is to be intermixed with a diluent in a container. Rotatable attachments join the chamber containing the powder with a receptacle on the container. The powdered medicament is expelled from the chamber by the force of a plunger acting on the piston plug. The stopper at the end of the chamber containing the powder serves as a mounting for a piercing tip which breaks a membrane over the neck of the container allowing fluid connection between the chamber and the container and transferral of the powdered medicament from the chamber to the container.

REFERENCES:
patent: 2590900 (1952-04-01), Sommerstein
patent: 2721552 (1955-10-01), Nosik
patent: 3875012 (1975-04-01), Dorn et al.
patent: 4048999 (1977-09-01), Kobel
patent: 4059112 (1977-11-01), Tischlinger
patent: 4089432 (1978-05-01), Crankshaw et al.
patent: 4172457 (1979-10-01), Choksi et al.
patent: 4289648 (1981-09-01), Hoskins et al.
patent: 4405317 (1983-09-01), Case
patent: 4412836 (1983-11-01), Brignola
patent: 4417890 (1983-11-01), Dennehey et al.

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