Arterial syringe safety vent

Details Arterial syringe safety vent Arterial syringe safety vent

2006-03-15

2008-01-29

Hindenburg, Max F. (Department: 3736)

Surgery

Diagnostic testing

Liquid collection

C604S110000, C604S415000

Reexamination Certificate

active

07322941

ABSTRACT:
An improved arterial syringe safety vent is dually optimized for needle safety and arterial blood degassing efficiency. The safety vent of the invention includes a housing, a needle lock to capture a needle, and a venting portion comprising a hydrophilic filter. The needle lock of the invention is adapted to lock a needle tip between a membrane and a venting potion to prevent accidental needle stick. In en exemplary embodiment the safety vent of the invention engages a needle capture device in a manner that allows movement of the housing in relation to the needle capture device so that the tip of a needle captured by the needle capture device can be locked in a position that prevents exposure of the needle tip. The safety vent of the invention is self-supporting to permit single-handed operation.

REFERENCES:
patent: 4775376 (1988-10-01), Strung
patent: 4982842 (1991-01-01), Hollister
patent: 5125415 (1992-06-01), Bell
patent: 5147309 (1992-09-01), Hemmerich et al.
patent: 5342320 (1994-08-01), Cameron
patent: 5554127 (1996-09-01), Crouther et al.
patent: 6491667 (2002-12-01), Keane et al.
patent: 7037642 (2006-05-01), Hei

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