Telescoping pharmaceutical storage and mixing syringe

Details Telescoping pharmaceutical storage and mixing syringe Telescoping pharmaceutical storage and mixing syringe

1993-10-20

1994-12-13

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604 91, 604191, A61M 3700, A61M 500

Patent

active

053725867

ABSTRACT:
A unitary syringe assembly including a diluent syringe and a jell syringe stores and enables convenient transport of isolated components required for injection. A valve is placed between the two syringes. Immediately before required injection, the valve is opened and the diluent and jell between the two syringes are thoroughly intermixed. Valve aperture size is selected to provide viscous resistance to the flow of the jell until thorough mixing has occurred to provide the user with a tactile indication of sufficient mixing. Upon complete mixing, a needle is attached and injection occurs.

REFERENCES:
patent: 2841145 (1958-07-01), Epps
patent: 3477432 (1969-11-01), Shaw
patent: 3680558 (1972-08-01), Kapelowitz
patent: 4563174 (1986-01-01), Dupont et al.
patent: 5067948 (1991-11-01), Haber et al.
patent: 5114411 (1992-05-01), Haber et al.
patent: 5147323 (1992-09-01), Haber et al.
patent: 5211285 (1993-05-01), Haber et al.
patent: 5240146 (1993-08-01), Smedley et al.
patent: 5281198 (1994-01-01), Haber et al.

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