PROBLEM TO BE SOLVED: To provide a poultice applicator in which a plurality of disposable rubber sponges, cloths, resins, or porous films are attached to the poultice applicator in advance, the used one is removed one by one, and a medical agent is applied to the skin by using the new one.SOLUTION: Disposable members 5a-5c each comprise: a mesh part 8 formed at the center and including a mesh having a predetermined size a cut having a predetermined length formed along the diameter direction of the mesh and a skirt part 10 positioned outside the mesh part. After the disposable members are each attached to the poultice applicator, the mesh is cut open along the cut by using the cut.COPYRIGHT: (C)2014,JPO&INPIT【課題】予め複数枚の使い捨てラバースポンジ、又は布、又は樹脂、又は多孔質フィルムを湿布剤塗布器に取り付けておき、使用したものを順次取り外し、新しいものによって薬剤を皮膚に塗る湿布剤塗布器を提供する。【解決手段】真ん中に形成され、所定サイズのメッシュを有するメッシュ部8と、該メッシュの直径方向に沿って所定長形成された切込みと、メッシュ部の外側に位置する裾部10と、を備える使い捨て部材5a~5cであって、切込みを使用して、使い捨て部材を湿布剤塗布器に取り付けた後、切込みに沿って、メッシュを切り開くことを特徴とする。【選択図】図1