PROBLEM TO BE SOLVED: To provide a medical supply made of rubber or elastomer, excellent in slidability, low protein adsorptivity, low cell adsorptivity, and durability thereof (aggravation suppressibility of slidability, low protein adsorptivity and low cell adsorptivity), and to provide a manufacturing method thereof.SOLUTION: In a medical supply made of rubber or elastomer, a surface treatment layer is formed on at least a part of a rubber surface or an elastomer surface, which has a functional layer formed of a silane compound having a polyoxyalkylene group, a metal salt-containing hydrophilic group, a halogen salt-containing hydrophilic group or a fluorine-containing hydrophobic group.SELECTED DRAWING: None【課題】摺動性、低タンパク質吸着性、低細胞吸着性、及びこれらの性能の耐久性(摺動性、低タンパク質吸着性、低細胞吸着性の悪化抑制性)に優れたゴム又はエラストマー製医療用具、及びその製造方法を提供する。【解決手段】ポリオキシアルキレン基、金属塩含有親水性基、ハロゲン塩含有親水性基又はフッ素含有疎水性基を有するシラン化合物により形成された機能層を有する表面処理層が、ゴム表面又はエラストマー表面の少なくとも一部に形成されたゴム又はエラストマー製医療用具。【選択図】なし