Lockable safety shield for hypodermic syringe

Details Lockable safety shield for hypodermic syringe Lockable safety shield for hypodermic syringe

1993-01-08

1995-01-31

Rosenbaum, C. Fred

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604198, 604110, A61M 532

Patent

active

053855558

ABSTRACT:
A lockable safety shield is provided for a hypodermic syringe. The safety shield is mounted over the syringe barrel and can be telescoped into a position for protectively guarding a sharp point on the needle cannula. Oppositely facing stop surfaces on the syringe barrel and the safety shield prevent complete telescoped removal of the safety shield from the syringe barrel. A deflectable wall on the syringe barrel snaps into engagement with locking teeth on the safety shield when the safety shield has been telescoped into a position for guarding the needle cannula point to prevent exposure of the used needle cannula.

REFERENCES:
patent: 4737144 (1988-04-01), Choksi
patent: 4743233 (1988-05-01), Schneider
patent: 5024660 (1991-06-01), McNaughton
patent: 5059185 (1991-10-01), Ryan
patent: 5067945 (1991-11-01), Ryan
patent: 5137521 (1992-08-01), Wilkins
patent: 5169392 (1992-12-01), Ranford et al.
patent: 5217437 (1993-06-01), Talonn et al.

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