Gregory Waimong Chan,Fernando Gonzalez,Thuhuong Thi Phan,Dwight A. Ambat,Manolo Lumauig,Mina W. Chow
申请号：
US11841470
公开号：
US08152758B2
申请日:
2007.08.20
申请国别(地区):
US
年份:
2012
代理人:
摘要：
An apparatus including an expandable body at least one delivery cannula coupled to an exterior portion of the expandable body a needle having a protuberance thereon disposed in a lumen of the at least one delivery cannula a stop disposed in the lumen of the at least one delivery cannula at a position distal to the protuberance on the needle. A method including positioning a catheter assembly including at least one needle delivery device disposed in an at least one delivery cannula, the at least one delivery cannula having an exit end modifying the shape of the catheter assembly to modify the orientation of the exit end of the at least one delivery cannula at a region of interest and advancing the at least one needle delivery device beyond the exit end of the at least one delivery cannula according to a controlled orientation.
