Prefilled injection syringe assembly

Details Prefilled injection syringe assembly Prefilled injection syringe assembly

1996-08-21

1997-09-16

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604110, A61M 532

Patent

active

056674945

ABSTRACT:
An injection assembly, at least comprising a prefilled liquid container with an outflow opening, a piston displaceable in said liquid container with a piston rod and a piston head, an injection needle with a needle fitting which is or can be fixed in the outflow opening, and seling means, said needle fitting and the piston comprising coupling means which can be mutually coupled so as to allow the injection needle to be retracted into the liquid container after use of the assembly, the injection needle further comprising a protection cap with a passage for the needle, which cap is or can be permanently mounted on the outflow opening.

REFERENCES:
patent: 4281653 (1981-08-01), Barta et al.
patent: 5221262 (1993-06-01), Kite
patent: 5242400 (1993-09-01), Blake, III
patent: 5290233 (1994-03-01), Campbell
patent: 5330440 (1994-07-01), Stanners et al.

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