PROBLEM TO BE SOLVED: To provide a medical instrument which can sufficiently obtain the effect of airway bypass in treatment of COPD (Chronic Obstructive Pulmonary Disease).SOLUTION: A medical instrument 1 includes an insertion part 2 inserted into the body of a patient, an extension body 3 provided on the outer periphery of the insertion part 2 and extending in the radial direction of the insertion part 2, and a needle-like part 4 provided at the tip of the insertion part 2 and reduced in diameter relative to the insertion part 2.COPYRIGHT: (C)2014,JPO&INPIT【課題】COPD(Chronic Obstructive Pulmonary Disease:慢性閉塞性肺疾患)治療におけるエアウェイバイパスの効果を十分に得ることができる医療用処置具を提供すること。【解決手段】医療用処置具1は、患者の体内に挿入される挿入部2と、前記挿入部2の外周に設けられ、当該挿入部2の径方向に拡張する拡張体3と、前記挿入部2の先端に設けられ、前記挿入部2に対して縮径した針状部4とを備えている。【選択図】図1
