Combination needle shield/needle guard device for a hypodermic s

Details Combination needle shield/needle guard device for a hypodermic s Combination needle shield/needle guard device for a hypodermic s

1986-10-16

1987-09-15

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

046937080

ABSTRACT:
This invention relates to a combination needle shield
eedle guard device for a hypodermic syringe with a needle permanently attached to the front end of the syringe barrel. This needle shield
eedle guard device is positively locked to the syringe barrel and can perform two functions: first, function as a needle shield which encloses and prevents contamination of a sterile needle and secondly, function as a needle guard which can slide on the surface of the syringe barrel, such that the needle can be uncovered and re-covered from behind the needle point, thereby providing a safety feature in that medical personnel can avoid direct contact with a needle point during the process of uncovering or re-covering the needle. More particularly, an unused sterile hypodermic needle is enclosed within the needle shield
eedle guard device which protects the needle from contamination. Exteriorization of the needle from inside the needle shield
eedle guard device occurs after an aperture is created by pulling off a tab at the front end of the needle shield
eedle guard device and then retracting the needle shield
eedle guard device on the syringe barrel, permitting the needle to exteriorize through the aperture. After the needle has been used for a medical procedure, extending the needle shield
eedle guard device on the syringe barrel permits re-coverage of the used needle from behind the needle point, so that medical personnel avoid direct contact with the pointed end of a contaminated needle.

REFERENCES:
patent: 3889673 (1975-06-01), Dovey et al.
patent: 4425120 (1984-01-01), Sampson et al.
patent: 4573976 (1986-03-01), Sampson et al.
patent: 4592745 (1986-06-01), Rex et al.

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