Patent ID: 8109902
Filing Date: 2012-02-07
Classification: A61J,A61M

Abstract:
1. An improvement to a syringe-to-syringe mixing apparatus comprising a nozzle element disposed within the internal tip of a syringe, the external tip of said syringe being configured for connection to an apparatus to facilitate mixing, said nozzle element defining a passageway therethrough in communication with the interior volume of the syringe and including a substantially cylindrical restriction in said nozzle element, said passageway having a first portion of gradually decreasing flow area toward and communicating with one end of said restriction, a second portion of gradually increasing flow area away from and communicating with an opposite end of said restriction, and a third portion extending from the end of the tip of said syringe to and communicating with said first portion of said passageway, said nozzle element configured to increase the flow velocity therethrough.