Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1991-09-26
1992-11-17
Yasko, John D.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604263, A61M 500
Patent
active
051639173
ABSTRACT:
A tubular guard for syringes which can be slid up or down along the barrel and has provision for locking in either a "needle safe" or "needle exposed" position. The guard can also be arranged to allow for automatic withdrawal as part of the injecting process.
REFERENCES:
patent: 4122836 (1978-10-01), Burnett
patent: 4743233 (1988-05-01), Schneider
patent: 4915701 (1990-04-01), Halkyard
patent: 5066277 (1991-11-01), Carrell et al.
Burrell, Jr. Frank J.
Huefner Norman
Kivenson Gilbert
Yasko John D.
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