Patent ID: 7229434

Claim:
A non-coring needle for a venous access implantatable port comprising: a puncturing assembly comprising two wings having a central sleeve having an enlargement at one end, an L-shaped needle having a bent portion inserted into the enlargement and fastened therein, and a plastic tubing coupled to the other end of the sleeve for conveying fluid; and a hollow syringe barrel comprising an internal chamber having a forward opening, an elongate open slot formed on the syringe barrel and being in communication with the chamber, the slot including first and second positioning points and a forward opening, a first fastening member formed on the opening of the slot and being in communication therewith, wherein the enlargement is located at the first positioning point when the needle is concealed in the chamber in a non-use position, prior to using the needle pushing the needle forward from the first positioning point until being stopped by the fastening member, turning the wings clockwise about 90 degrees to snap a rear portion of the needle into the first fastening member with the enlargement urged thereagainst, and after using, returning the enlargement to the first positioning point then to the second positioning point and locked at the second positioning point when the needle is fully retracted into the chamber, wherein the first fastening member has a substantially L shape and comprises a recess at one portion proximate the opening of the slot, the recess being adapted to receive and fasten the rear portion of the needle, and a bifurcation at the other portion of the first fastening member, the bifurcation being adapted to receive and fasten the bent portion of the needle.