"Medical device and method of anchoring a device to a human or animal body". According to one aspect of the invention, a medical device (1) is provided, the device (1), for example, being implantable within a human or animal body or being a stiffening device for enhancing human rigid tissue or animal for subsequent implantation of a separate implant. the device (1) comprises a sheath member (11) suitable for contact with the rigid living tissue and / or the rigid tissue replacement material during a surgical operation. the sheath element (11) has, for example, a generally elongated shape and a longitudinal hole (13) defining a longitudinal opening reaching from a proximal end of the sheath element (11) in a distal direction, and a plurality of holes ( 14) in a wall (15) of the opening. furthermore, the device (1) comprises a liquifiable element (21) that is insertable or inserted into the longitudinal opening and at least partially liquifiable by the impact of energy colliding from the proximal side so that the liquefied material flows through the holes (1). 14) on the wall (15) and out of the longitudinal opening in rigid fabric structures and / or rigid fabric replacement material. The medical device (1) also comprises a steering structure that is angularly structured with respect to a longitudinal axis of the longitudinal opening to direct different portions of the liquefiable material to a different of the holes.patente de invenção: "dispositivo médico e método de ancoragem de um dispositivo em um corpo humano ou animal". de acordo com um aspecto da invenção, um dispositivo médico (1) é fornecido, o dispositivo (1), por exemplo, sendo implant´qavel dentro de um corpo humano ou animal ou sendo um dispositivo de aumento para reforço do tecido rígido humano ou animal para implantação subsequente de um implante separado. o dispositivo (1) compreende um elemento de bainha (11) adequado para poder ser posto em contato, durante uma operação cirúrgica, com o tecido rígi
