作者: Jeffrey William Schultz , Keshava Datta
DOI:
关键词:
摘要: A catheter having an internal advancing mechanism that can advance stiffening wires or other devices, has a with body, tip section distal the device extending through at least and control handle proximal where threaded member, adjustment guided member to which is connected, configured retract along body as controlled by user. Each of generally cylindrical configuration. The outer surface helical guide channel. move within channel device. be rotatable over user advancement retraction may stiffener wire, needle any suitable for in catheter.