Patent Number: 6,685,677

Title: Needle shield converting to a needleless needle

Abstract: A needle assembly withdraws medicine from a vial having a rubber septum andinjects the medicine into a port in a patient while not endangering thecaregiver with an accidental stick with a contaminated used needle. Theneedle assembly includes a sharp hollow needle for penetrating a septum ofa vial and a blunt cannula for injecting into an injection port. Theneedle can be of any type including intramuscular. The blunt cannulaconcentrically surrounding the sharp hollow needle, forms a liquid-tightseal with the sharp hollow needle, and extends relative to the sharphollow needle in a locked position.

Inventors: Green; Christopher H. (Hallandale, FL)


International Classification: A61M 5/178 (20060101); A61M 5/32 (20060101); A61M 005/32 ()

Expiration Date: 02/02016