Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1981-11-12
1983-12-06
Yasko, John D.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
A61M 500
Patent
active
044190980
ABSTRACT:
A needle shield is provided for a needle holding assembly, such as a blood collection assembly, which reduces the possibility of contamination to the user by providing a radially positioned guidance groove at the entry of the shield for easy guidance of the used needle point back into the shield.
REFERENCES:
patent: 3381813 (1968-05-01), Coanda et al.
patent: 3469581 (1969-09-01), Burke
patent: 3721241 (1973-03-01), Klohr et al.
patent: 4240425 (1980-12-01), Akhavi
Becton Dickinson and Company
Yasko John D.
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