Device configuration of a medical instrument comprising an elongated body portion, such as A endoscope can be prevented from becomes large-scaled, the medical instrument for medical with no cleaning function that a large diameter the elongated member, and to provide a cleaning device comprising the elongated member. A lumen 10L that A medical instrument 100 including an elongate body portion 110 is inserted so as to be moved forward and backward, in contact with at least a portion of the medical device with the insertion of the medical instrument into the lumen of the medical device a cleaning unit 20 for cleaning, an elongated member of a medical comprising. .FIELD 1【課題】内視鏡などの長尺状の本体部を備える医療器具の装置構成が大掛かりなものとなることを防止でき、当該医療器具が大径化することのない洗浄機能付きの医療用の長尺部材、および当該長尺部材を備える洗浄装置を提供する。【解決手段】長尺状の本体部110を備える医療器具100が進退移動可能に挿通されるルーメン10Lと、ルーメンへの医療器具の挿通に伴い医療器具の少なくとも一部に接触して医療器具を洗浄する洗浄部20と、を備える医療用の長尺部材である。【選択図】図1
