Patent ID: 8562678

Claim:
A prosthetic device configured for surgical implantation comprising: at least a part of an electronic and/or electromechanical device; at least one outer chamber, compartment, or bladder; at least one inner chamber, compartment, or bladder inside said outer chamber, compartment, or bladder; and at least one internal sipe separating at least a part of said outer chamber, compartment, or bladder and at least a part of said inner chamber, compartment, or bladder; wherein said at least one internal sipe is formed by at least a portion of an inner surface of said outer chamber, compartment, or bladder and at least a portion of an outer surface of said inner chamber, compartment, or bladder; and the inner and outer surface portions forming said at least one internal sipe oppose each other and can move relative to each other in a sliding motion; and wherein at least a portion of an outer surface of said outer chamber, compartment, or bladder is proximate to an outer surface of said prosthetic device.