Guide device for percutaneous insertion of endoscope

摘要

Described herein is a guide device for an endoscope to be percutaneously introduced into a body, the guide device including a trocar having an obturator extractably inserted in an outer sheath, and a guide tube to be placed in the outer sheath in place of the obturator of the trocar. The guide tube is rounded off at the inner edge of its fore end which is to be protruded from a sharp-edged tip end of the outer sheath when placed therein.