Surgery instrument for the perforation of a human or animal body and the injection of a pharmaceutical product into this same body, comprising a hollow elongated hand piece (1) adapted to receive a continent (4) of pharmaceutical product and a support ( 3) cylindrical that allows the continent (4) to be accommodated in the handpiece (1), allowing actuation means (19) to set the support / continent assembly in rotation around a longitudinal axis (42) of the continent (4), allowing the cylindrical support (3) to connect a piercing needle (5) to the mainland (4), the handpiece (1) being provided with an axial passage (13) for the needle (5), characterized in that the support (3) cylindrical comprises a tubular wall (311) adapted to receive the continent (4) and which includes contact areas for a connection in rotation between the continent (4) and the cylindrical support (3) formed by bridges (313) of matter that subsists among some vac iamientos (312) practiced along at least one circumferential row line, the bridges (313) of matter presenting some bends towards the inside of the cylindrical support (3) to imprison the continent.Instrumento de cirugía para la perforación de un cuerpo humano o animal y la inyección de un producto farmacéutico en este mismo cuerpo, que comprende una pieza (1) de mano alargada hueca adaptada para recibir un continente (4) de producto farmacéutico y un soporte (3) cilíndrico que permite alojar el continente (4) en la pieza (1) de mano, permitiendo unos medios (19) de accionamiento poner el conjunto soporte/continente en rotación alrededor de un eje (42) longitudinal del continente (4), permitiendo el soporte (3) cilíndrico conectar una aguja (5) perforadora al continente (4), estando la pieza (1) de mano provista de un paso (13) axial para la aguja (5), caracterizado porque el soporte (3) cilíndrico comprende una pared (311) tubular adaptada para recibir el continente (4) y que incluye unas zonas de contacto para una conexión solidaria en
