Patent ID: 7041086
Filing Date: 2006-05-09
Classification: A61M,Y10S

Abstract:
1. A syringe needle, comprising: a) a needle head attached to an extended cannula and a needle inserted through a front outer edge of the extended cannula; b) a trocar-setting part in the extended cannula is connected at a first end to the inner conduit of the needle and at a second end to one of a needle cylinder and a fluid delivery system; c) an external bushing made of a soft material placed between the extended cannula and a base; d) the base having a trocar-admitting part located in a back of the base, a trocar boring on a front end of the base connected with the trocar-admitting part, a hole running through the base and the trocar boring, the hole has a baffle with an opening, and a connecting part on a backside of the base; and e) a barrier structure located between the extended cannula and the a connecting part of the base and removably covering the external bushing, a connecting component connecting a front of the barrier structure to the base and a back end of the barrier structure is removably connected with the needle head.