PROBLEM TO BE SOLVED: To provide a medical appliance that enables a cell, administered to the vicinity of target tissue within a blood vessel, to be indwelled in a position near the target tissue, and a cell administration method.SOLUTION: A medical appliance comprises a tubular member capable of being inserted through a blood vessel and discharging a predetermined cell from an opening formed at its tip, and an obstruent production member capable of producing an obstruent for obturating the blood vessel on the periphery of the tubular member, in a position on the base end side of the tubular member with respect to the opening, within the blood vessel.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2019,JPO&INPIT【課題】脈管内で標的組織の近傍に投与した細胞を、標的組織の近傍の位置に留めることが可能な医療器具及び細胞投与方法を提供する。【解決手段】医療器具は、脈管内に挿通可能であり、先端部に形成された開口から所定の細胞を排出可能な管状部材と、前記脈管内において、前記開口よりも前記管状部材の基端側の位置で、前記管状部材の周囲に前記脈管を閉塞する閉塞物を生成可能な閉塞物生成部材と、を備える。【選択図】図2
