Safety needle

Details Safety needle Safety needle

1996-07-26

1998-04-28

Buiz, Michael

Surgery

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

Treating material introduced into or removed from body...

604192, A61M 532

Patent

active

057438889

ABSTRACT:
An improved safety needle, including a needle base, for fixing therein a rigid needle containing a hollow hub at one end, a hollow needle connected thereto and a sharp needle tip at the other end, the base defined by a proximal end and a distal end spaced-apart therefrom, the distal end of the needle base having formed therethrough a first bore concentric to the needle and covering the sharp needle tip, and a cap covering the first bore and rotatably positioned thereover, having formed therethrough a second bore, wherein the cap is rotatable between a first, safe position placing the first and second bores out of alignment and preventing passage of the needle and the sharp needle tip therethrough, and a second, armed position placing the first and second bores in alignment to allow passage of the needle therethrough to expose the sharp needle tip.

REFERENCES:
patent: 4139009 (1979-02-01), Alvarez
patent: 5554122 (1996-09-01), Emanuel

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