公开(公告)号：US20170354799A1

公开(公告)日：2017-12-14

申请号：US15195351

申请日：2016-06-28

申请人： Deepak Gupta ,  Sarwan Kumar ,  Arvind Sri Raja Kalidindi

发明人： Deepak Gupta ,  Sarwan Kumar ,  Arvind Sri Raja Kalidindi

IPC分类号： A61M25/06

CPC分类号： A61M25/0606 ,  A61M25/065 ,  A61M25/0693 ,  A61M2210/12

摘要： According to a teaching of the present invention, having a flexible catheter attached to a housing. A needle having an exterior surface having a first roughness, the needle being within the flexible catheter and the housing. The needle has and interface surface angled with respect to a needle centerline. A portion of the interface surface having a second roughness which is more than the first roughness.