Protected hypodermic needle

Details Protected hypodermic needle Protected hypodermic needle

1986-01-31

1987-09-22

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604263, A61M 532

Patent

active

046952748

ABSTRACT:
A safety needle attachment for a syringe body assembly makes use of a needle holder with a needle fixed in the holder and the holder so constructed that it can, if necessary, be applied to and removed from the syringe body assembly at will. The needle is initially entirely surrounded by a protecting jacket which is releasably interlocked with the holder. When the needle is to be used, the interlock is released and the jacket in effect telescoped over the holder to project the needle through a membrane over the end of the jacket to a working position. After use the jacket is returned to its protecting position and there interlocked in place. Thereafter for those occasions where the attachment is removable from the body assembly, it can be removed for disposal.

REFERENCES:
patent: 3134380 (1964-05-01), Armao
patent: 3354881 (1967-11-01), Bloch
patent: 4425120 (1984-01-01), Sampson et al.
patent: 4507118 (1985-03-01), Dent

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