An orthotopic artificial bladder endoprosthesis includes a casing made of a PGA fiber fabric； the casing having two first connectors for the connection with the ureters of a patient and a second connector for the connection with the urethra of a patient； a support element being inserted in the casing； the support element being switchable between an extended configuration, in which it supports and maintains in position the casing, and a retracted configuration.
