This therapeutic tool (20) includes: a support member (25) that has a tongue-like support part (50) for supporting a sheet-like therapeutic substance a nozzle member (23) that has a cylindrical part (30) capable of accommodating the support part (50) supporting the therapeutic substance, and has an opening (34) where the support part (50) can be taken out or entered formed on a tip of the cylindrical part (30) a syringe unit (22) that applies a positive pressure to the inside of the cylindrical part (30) in order to push the therapeutic substance out of the cylindrical part (30) through the opening (34), the therapeutic substance being accommodated inside the cylindrical part (30) together with the support part (50) and water flow forming means that includes a plurality of projections (53) formed on the surface of the support part (50) so as to form a water flow on a part where the support part (50) faces the therapeutic substance when a medical water is supplied into the cylindrical part (30) with the therapeutic substance being accommodated inside the cylindrical part (30) together with the support part (50).La présente invention concerne un outil thérapeutique (20) comprenant : un élément de support (25) qui comprend une partie de support (50) en forme de languette supportant une substance thérapeutique en forme de feuille un élément buse (23) qui a une partie cylindrique (30) capable de recevoir la partie de support (50) supportant la substance thérapeutique, et a une ouverture (34), où la partie de support (50) peut être sortie ou entrée, formée sur une extrémité de la partie cylindrique (30) une unité seringue (22) qui applique une pression positive à lintérieur de la partie cylindrique (30) afin de pousser la substance thérapeutique hors de la partie cylindrique (30) à travers louverture (34), la substance thérapeutique étant logée à lintérieur de la partie cylindrique (30) conjointement avec la partie de support (50) et des moyens de formation découlement
