MEDICAL DEVICE, MEDICAL DEVICE PACKAGE, METHOD FOR USING MEDICAL DEVICE, AND METHOD FOR MANUFACTURING MEDICAL DEVICE

原文（中国語）

A medical device is configured to reduce the possibility of breakage of an expansion body when the expansion body is housed in an inserter. The medical device includes an elongated shaft portion, a handheld operation portion disposed at a proximal portion of the shaft portion, an expansion body disposed at a distal portion of the shaft portion, and an inserter that includes an inserter tube having a lumen through which the shaft portion is inserted and which is configured to house the expansion body. The inserter includes a valve body that abuts the outer peripheral surface of the haft portion, and an injection port that communicates with the lumen. An axial length of the inserter tube is equal to or greater than the axial length of the expansion body and is equal to or less than 150 mm. The inserter is between the expansion body and the handheld operation portion