A plate (121) of surgical stabilization, comprising a plate portion (122) for stabilizing a human or animal spine or being placed ventrally relative to the spine and being fixed to two or more different vertebral bodies, and further comprising a plurality of holding portions (124) adapted to be anchored at different vertebral bodies, at least one of the clamping parts (124) rigidly connected to the plate portion (122) and comprising a sleeve element with a longitudinal opening which is accessible from a proximal side and at least one hole (14) extending from the longitudinal opening to the outside, further comprising the stabilizing plate (121) by sleeve element a thermoplastic element (21) inserted or insertable in the element sheath and capable of being liquefied by energy which acts on the thermoplastic member (21), wherein the hole (14) is positioned such that the ma terial liquefied thermoplastic can be pressed through the hole (14) to the bone tissue of the vertebral body in which the clamping portion (124) to be anchored, in which at least one holding part (124) comprises a structure stabilization capable of absorbing mechanical loads on the stabilizing plate (121), in which the plate portion (122) is not flat, and wherein the stabilizing plate (121) comprises at least four fastening portions (124).Un placa (121) de estabilización quirúrgica, que comprende una parte de placa (122) para estabilizar una espina dorsal humana o animal siendo colocada ventralmente con relación a la columna vertebral y siendo fijada a dos o más cuerpos vertebrales diferentes, y comprendiendo además una pluralidad de partes de sujeción (124) adaptadas para ser ancladas en los diferentes cuerpos vertebrales, estando al menos una de las partes de sujeción (124) rígidamente conectada a la parte de placa (122) y comprendiendo un elemento de funda con una abertura longitudinal que es accesible desde un lado proximal y al menos un agujero (14) que se extiende desde la abertura longitudina
