公开(公告)号：US10363395B2

公开(公告)日：2019-07-30

申请号：US15563175

申请日：2015-04-01

Applicant: Korea Advanced Institute of Science And Technology

Inventor： Doo Yong Lee ,  Hye Hyun Han ,  Yun Jin Gu ,  Seung Gyu Kang ,  Myeong Jin Kim ,  Cheong Jun Kim ,  Seong Pil Byeon ,  Young Gi Jung ,  Su Bon Kim ,  Hyun Seok Lee ,  Dong Myoung Lee ,  Su Hwan Park ,  Ji Hye Hwang

IPC: A61M31/00 ,  A61M37/00 ,  A61M25/00 ,  A61M25/01 ,  A61M25/06 ,  A61M25/09

Abstract: The present invention relates to a direction-controllable drug injection catheter. According to the present invention, provided is the catheter extending along a central axis “A” including a drug injection part in which a drug injection channel has been formed; a channel opening and closing means which opens and closes the drug injection channel; and a steering structure which is rotationally asymmetric with respect to the central axis “A” and varies according to a pressure change of the drug injection channel for the purpose of steering.