A joint repair prosthesis, comprising: a head (12) for replacing the head of the joint and a connecting stem (14), where the head comprises a substantially domed portion (16) and a flange placed in a terminal area of the domed portion, where the flange (18) has a width that varies around the domed portion, such that an edge of the flange away from the domed portion represents the positions of the anatomical tendon insertion points； the anchor points (24) provided on the flange, where the flange defines a support structure or a firm surface area that is placed underlying the positions representing the tendon anatomical insertion points of the tendons； the prosthesis being characterized in that it further comprises an arrangement (30) of clamps that is connected to the anchor points (24) with direct rigid connection devices (32), the clamp arrangement having an area of surface larger than the connecting devices, the arrangement (30) of clamps being arranged to hold the tendons between the clamp arrangement and the underlying surface area, and having a means to define a spacing between the arrangement of tweezers and the underlying surface area, to thereby trap any attached bone fragment that is too large to slide through the spacing.Una prótesis de reparación articular, que comprende: una cabeza (12) para sustituir la cabeza de la articulación y un tallo (14) de conexión, donde la cabeza comprende una porción (16) sustancialmente abovedada y una pestaña colocada en una zona terminal de la porción abovedada, donde la pestaña (18) tiene una anchura que varía alrededor de la porción abovedada, de manera que un borde de la pestaña alejado de la porción abovedada representa las posiciones de los puntos anatómicos de inserción tendinosa； los puntos (24) de anclaje proporcionados en la pestaña, donde la pestaña define una estructura de soporte o un área de superficie firme que está colocada subyacente a las posiciones que representan los puntos anatómicos de inserción tendin
