Telescopic safety arteriovenous fistula needle

Details Telescopic safety arteriovenous fistula needle Telescopic safety arteriovenous fistula needle

2008-01-29

2008-01-29

Lucchesi, Nicholas D. (Department: 3763)

Surgery

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

Treating material introduced into or removed from body...

Reexamination Certificate

active

07322963

ABSTRACT:
A telescopic intravenous infusion set and/or blood collection assembly is provided with a safety feature for covering the used needle. The safety feature is a telescopic device including a shield with handling wings, which when placed in cooperating relationship, allows accommodation of a conventional unmodified blood collection needle affixed to a hub, and a sleeve with a locking cap. After use, the hub with the needle are pulled rearwardly into positive locking position which prevent the hub and needle from moving out of the shield thereafter. The telescopic nature of the device then allows the locked needle/hub to move rearward in relation to the shield until the shield is unreleasably locked to the sleeve. The shield provides for passage of the needle and hub from a releasable locked use position to a shielded and unreleasable locked protected position.

REFERENCES:
patent: 5382240 (1995-01-01), Lam
patent: 5746215 (1998-05-01), Manjarrez
patent: 5833670 (1998-11-01), Dillon et al.
patent: 5928199 (1999-07-01), Nakagami
patent: 5931815 (1999-08-01), Liu
patent: 6659984 (2003-12-01), Maclean Crawford et al.
patent: 2003/0153874 (2003-08-01), Tal

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