Patent ID: 8734318

Claim:
An anal incontinence treatment apparatus for treatment of a patient, who suffers from anal incontinence, comprising an adjustable non-inflatable restriction device implantable in the patient for engaging a portion of the colon or rectum or the prolongation thereof to restrict a faecal passageway therein, an operable adjustment device implantable in the patient and adapted to mechanically adjust the restriction device to restrict the fecal passageway to prevent faeces from passing therethrough and enlarge the fecal passageway to allow faeces to readily pass therethrough, and a powered operation device for operating the adjustment device, characterised in that the operation device includes a servo means operatively connected to the adjustment device, wherein the servo means includes a mechanism that transfers a weak force acting on a moving element having a long stroke into a strong force acting on another moving element having a short stroke.