Bloodless percutaneous insertion system

Details Bloodless percutaneous insertion system Bloodless percutaneous insertion system

2004-03-31

2009-06-09

Lucchesi, Nicholas D (Department: 3763)

Surgery

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

Treating material introduced into or removed from body...

C604S164010, C604S164130, C604S167060

Reexamination Certificate

active

07544184

ABSTRACT:
A system for permitting substantially bloodless percutaneous entry into an artery or vein of a patient. The system comprises a needle assembly, a needle hub attachment assembly having a hemostatic segment, and a wire guide inserter (curve straightener) or a wire guide holder also having a hemostatic segment. The components are assembled in a leak-free arrangement, and a fluid passageway for withdrawing blood is established through the system. Each of the hemostatic segments opens to permit passage of a wire guide therethrough, but re-seals to prevent flow of blood therethrough. The needle hub attachment assembly preferably includes a fluid-receiving chamber to permit the clinician to see the first squirt of blood as it enters the system.

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“Sos Bloodless Entry Needle, Unique Closed System Minimizes Physician Contact with Blood,”AngioDynamics, Division of E-Z-EM, Inc., Glens Falls, NY, 1991.

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