Needle assembly

Details Needle assembly Needle assembly

1991-05-31

1992-05-26

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

051163250

ABSTRACT:
A needle assembly 10 comprises a needle device 11 having a needle base 14 and a hollow needle 12, having a free end 13 which is sharpened or pointed, protruding from the base, with a passageway 15 extending along the needle. An opening 17 to the passageway is provided in proximity to the sharpened end or point of the needle. A needle guard comprising an elongate protective sheath 20 provided around the needle base and the needle such that the sharpened end of the needle is protected by the sheath. An elongate opening 24 extends along the sheath and the needle can pass through it. First hinge components 30 are located on the sheath. Second hinge components 16 are provided on the base. The first and second hinge components co-operate with each other such that the needle guard is pivotal from a primary position in which the sharpened needle end or point is protected by the sheath, to a secondary position in which the needle point is exposed for use.

REFERENCES:
patent: 4659330 (1987-04-01), Nelson et al.
patent: 4747836 (1988-05-01), Luther
patent: 4838871 (1989-06-01), Luther
patent: 4872552 (1989-10-01), Unger
patent: 4886503 (1989-12-01), Miller
patent: 4909791 (1990-03-01), Norelli

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