Medical-grade actuator having a modular structure and medical device comprising same

An artificial contractile structure comprising:

• at least one contractile element comprising:
• a flexible strip extending in a longitudinal directional, and a closure for forming the at least one contractile element into a closed loop around a hollow body organ, the closure being situated at a first extremity of the flexible strip, the at least one contractile element being adapted to contract the hollow body organ, in such a way that said at least one contractile element is adapted to be in a resting position or in an activated position, the activated position being defined with said at least one contractile element constricting the hollow body organ and the resting position being defined with said at least one contractile element not constricting the hollow body organ,
• further comprising:
• a flexible transmission comprising a tensioning element being anchored at a first end to a first anchoring point on the flexible strip, said flexible transmission being adapted to tighten the at least one contractile element formed in a closed loop around said hollow body organ upon application of a traction force at end of the tensioning element by an actuator, and
• a connector adapted to connect the flexible transmission to said actuator, a second end of said tensioning element being anchored in said connector,
• wherein the closure comprises a tab at an end of the flexible strip and connected thereto by two connecting side walls integrally formed with the tab and an end flap of the strip in order to define a pass-through hole for passing said flexible transmission and connector to form the at least one contractile element in a closed loop around said hollow body organ.