Patent ID: 7981089
Filing Date: 2011-07-19
Classification: A61J,A61M

Abstract:
1. A needle assembly comprising: a needle hub defining a fluid flow path therethrough; a metal cannula adapted to be supported on a distal end of the needle hub, the metal cannula defining a fluid flow path into the distal end of the needle hub, wherein a distal end of the metal cannula includes a first inner diameter portion and a second inner diameter portion interconnected by a tapered portion, the second inner diameter portion being greater in diameter than the first inner diameter portion and being dimensioned to receive a proximal end of a plastic tip; and the plastic tip operatively connected to the distal end of the metal cannula, the plastic tip including a distal end having a distal piercing surface, a central portion having an outer diameter which corresponds to the second inner diameter portion of the metal cannula and a tapered proximal end which tapers to a smaller diameter, the tapered proximal end being configured to abut the tapered portion of the metal cannula.