Foley & Lardner LLP
Direction-controllable catheter using drug injection channel
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.
KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
A A A A A A A A A A
A61M A61M A61M A61M A61M A61M A61M A61M A61M A61M
inventional inventional additional inventional additional additional inventional inventional inventional inventional
Ji Hye Su Hwan Seung Gyu Hyun Seok Myeong Jin Doo Yong Cheong Jun Su Bon Dong Myoung Hye Hyun Yun Jin Young Gi Seong Pil
Hwang Park Kang Lee Kim Lee Kim Kim Lee Han Gu Jung Byeon