Catheter for surgical, comprises guidable tube, retractable perforation/injection end tool that moves between extended working position and retracted safety position and unit for causing automatic extension of end tool

摘要

A catheter composed of a flexible guidable tube (2), a retractable perforation or injection end tool (9) that moves between an extended working position and a retracted safety position inside the catheter and allowing the injection of a pressurized liquid, and comprises a unit, which moves under the effect of the pressure of the liquid escaping from the catheter and causes the automatic extension of the end tool.