Electric surgical motor (16) with a stator (22) and a rotor (24) rotatably mounted on the stator (22), the stator (22) comprising at least two stator windings (34), the stator (22) comprising ) a protective bushing (38) and surrounding the at least two stator windings (34) the protective bushing (38), characterized in that the at least two stator windings (34) are self-supporting and because the protective bushing (38 ) is made of ceramic.Motor quirúrgico eléctrico (16) con un estator (22) y un rotor (24) montado de forma rotativa en el estator (22), comprendiendo el estator (22) al menos dos devanados de estator (34), comprendiendo el estator (22) un casquillo protector (38) y rodeando los al menos dos devanados de estator (34) el casquillo protector (38), caracterizado porque los al menos dos devanados de estator (34) están enrollados de forma autoportante y porque el casquillo protector (38) está fabricado de cerámica.