Safety needle system and method for using the same

Details Safety needle system and method for using the same Safety needle system and method for using the same

1994-03-09

1995-09-26

Rosenbaum, C. Fred

Surgery

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

Material introduced into and removed from body through...

604264, 604192, 128764, A61M 3100

Patent

active

054530890

ABSTRACT:
A medical system for transferring fluids (e.g. blood) to or from patients which includes a needle having a proximal end, a distal end attached to a syringe (or other comparable fluid transfer device), a medial section, and an internal passageway. The medial section is elliptical in cross-section with dual arcuate side walls. The proximal end is blunt and rounded. Also included is an access site having a conduit with a resilient tubular port extending outwardly therefrom. The port includes a bore therethrough. The port and the bore are both elliptical in cross-section. A resilient compression member having an elliptical opening therein is positioned on the port to exert pressure thereon and close the bore. In use, the needle is urged into the bore, temporarily deforming the compression member. After removing or delivering fluids using the syringe (or other device), the needle is withdrawn from the bore which is self-sealing by the compressive action of the compression member.

REFERENCES:
patent: 2653606 (1953-09-01), Ryan
patent: 5324256 (1994-06-01), Lynn et al.

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