Retractable phlebotomy needle

Details Retractable phlebotomy needle Retractable phlebotomy needle

1995-02-21

1997-03-25

Rimell, Sam

Surgery

Truss

Pad

128760, 604110, A61B 500

Patent

active

056135009

ABSTRACT:
A multi-sample blood collection needle device is provided with safety features that minimize the possibility of an accidental needle-stick. The device includes a rigid shroud that secures a stationary rear hollow needle,and a forward needle telescopically mounted upon the rear needle. A coil spring causes the forward needle to retract rearwardly upon the stationary rear needle, thereby disposing the point of the forward needle safely within the shroud.

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patent: 5046508 (1991-09-01), Weissler
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patent: 5167641 (1992-12-01), Schmitz
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patent: 5190526 (1993-03-01), Murray et al.
patent: 5221628 (1993-05-01), Marshall
patent: 5403286 (1995-04-01), Lokwood, Jr.
patent: 5423586 (1995-06-01), Shaw
patent: 5447501 (1995-09-01), Karlsson et al.

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