Patent ID: 8808371

Claim:
An implantable device system for controlling at least one of the shape and size of an anatomical structure or lumen, comprising: an adjustable member; a pair of spaced apart assemblies coupled to the adjustable member forming an open adjustable ring, at least one of the assemblies comprising a telescopic assembly including an internally threaded portion receiving an externally threaded member; a flexible member attached between the adjustable member and the externally threaded member; wherein rotation of the flexible member and the externally threaded member by the adjustable member varies a length of the telescoping assembly for controlling at least one of the shape and size of the ring; an adjustment tool configured to be connected to the adjustable member to control the operation thereof; a resilient layer having first and second opposing surfaces; a moveable retainer ring guide supported on the first surface of the resilient layer adjacent the assemblies coupled to the adjustable member; a plurality of attachment mechanisms attached to the retainer ring guide and extending into the resilient layer, whereby movement of the retainer ring guide causes a portion of the attachment mechanisms to extend outwardly beyond the second surface of the resilient layer by compression of the resilient layer; and a retainer ring guide receiving at least one of the plurality of attachment mechanisms arranged within the resilient layer in communication with the second surface of the resilient layer for limiting the distance between the retainer ring guide and the second surface upon compression of the resilient layer.