Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1991-02-01
1992-04-21
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
051063808
ABSTRACT:
A tubular guard is provided by this invention which can be telescoped over the barrel of a syringe or other device carrying a needle adapted for injection or removal of fluid of a patient or animal and which can be locked into barrel covering position thereover, means whereby locking engagement of the guard and the barrel may be broken, guide means for guiding the guard into telescoped needle or nozzle surrounding position after use of the syringe, said guard being adapted to be maintained into the nozzle or needle surrounding position and means whereby the guard is preventing from returning to its initial barrel covered position.
REFERENCES:
patent: 4927018 (1990-05-01), Yang et al.
patent: 4927417 (1990-05-01), Moncada et al.
patent: 4976702 (1990-12-01), Andrews et al.
patent: 4998920 (1991-03-01), Johnson
Slough J. Helen
Yasko John D.
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