Add-on fail-safe safety cap for passive sliding-sleeve needle pr

Details Add-on fail-safe safety cap for passive sliding-sleeve needle pr Add-on fail-safe safety cap for passive sliding-sleeve needle pr

1993-04-22

1994-04-19

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

053041518

ABSTRACT:
An add-on fail-safe safety cap for mounting on a retracting protective sleeve for a hypodermic needle. An annular collar is concentrically positioned around the sleeve adjacent its outer end. There is at least one tip shield carried by the collar with each tip shield having an arm portion hingedly attached to the collar on an inner end, an activating tab portion adjacent the inner end, and a tip protector portion at an outer end of the arm portion. Each tip shield is hingedly moveable between a retracted position with its tip protector out of a path of movement of the tip portion of the needle and a protecting position with its tip protector covering the tip portion of the needle. The tip protector is biased to the retracted position whereby when the locking collar is retracted from the locked position the tip protector is in the retracted position and when the locking collar is in the locked position the tip protector is pushed to the retracted position by the locking collar pushing on the activating tab portion.

REFERENCES:
patent: 4863434 (1989-09-01), Bayless
patent: 5026356 (1991-06-01), Smith
patent: 5059184 (1991-10-01), Dyke
patent: 5176656 (1993-01-01), Bayless

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