PROBLEM TO BE SOLVED: To provide an instrument for attaching a material to a medical device surface capable of easily attaching a material as needed to surfaces of various kinds of medical devices.SOLUTION: An instrument 1 for attaching a material to a medical device surface provided to the base end side of a port part 22 for guiding a medical device to a living body lumen includes a storage part 10 for holding an attachment material 13 to be attached to the surface of the medical device. The storage part 10 includes an inlet opening part 11 for inserting the medical device inside and an exit opening part 12 communicated with the port part 22. The attachment material 13 is stored in the storage part 10 so as to be attached to the surface of the medical device passing from the inlet opening part 11 to the exit opening part 12.SELECTED DRAWING: Figure 5COPYRIGHT: (C)2018,JPO&INPIT【課題】様々な種類の医療デバイスの表面に対し、必要に応じた物質を簡単に付着させることのできる医療デバイス表面付着器具を提供する。【解決手段】医療デバイスを生体管腔に導くポート部22の基端側に設けられる医療デバイス表面付着器具1であって、医療デバイスの表面に付着させる付着物質13を保持する収納部10を有し、収納部10は、医療デバイスを内部に挿入させる入口開口部11と、ポート部22と連通する出口開口部12とを有し、付着物質13は、入口開口部11から出口開口部12に向かって通過する医療デバイスの表面に対して付着可能となるように、収納部10に収納されている医療デバイス表面付着器具1である。【選択図】図5