Safety needle assembly having telescoping shield

Details Safety needle assembly having telescoping shield Safety needle assembly having telescoping shield

1996-12-23

1998-05-05

Buiz, Michael

Surgery

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

Treating material introduced into or removed from body...

604198, A61M 2500

Patent

active

057467277

ABSTRACT:
A safety needle assembly for an intravenous fitting which protects against inadvertent touch contact with a piercing element after use. The assembly includes a piercing element such as a sharpened needle cannula or a blunt ended cannula that is mounted within a carrier member. A protective shield component is provided which is axially slidable relative to the carrier member and configured to attach to an intravenous fitting. The protective shield and carrier member may feature a guide assembly for guiding the shield between a pre-use, injection position and a post-use, locked position wherein inadvertent touch contact with the distal end of the piercing element is avoided. A releasable locking assembly may also be incorporated to releasably retain the protective shield in its pre-use position so as to facilitate attachment of the safety needle assembly with the intravenous fitting.

REFERENCES:
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patent: 4969879 (1990-11-01), Lichte
patent: 4998924 (1991-03-01), Ranford
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patent: 5279579 (1994-01-01), D'Amico
patent: 5306258 (1994-04-01), de la Fuente
patent: 5344414 (1994-09-01), Lopez et al.

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