Devices and methods for tissue restoration. In at least one exemplary embodiment of an implantable restraining device of the present disclosure, the device comprises a first engaging component and a second engaging component at least substantially parallel to one another, a first swivel arm, comprising a first fixed arm, a first expandable arm, and a first hub, wherein the first fixed arm is pivotally connected to the first engaging component at or near a first fixed arm first end and is coupled to the first hub at or near a first fixed arm second end, and wherein the first expandable arm is pivotally connected to the second engaging component at or near a first expandable arm first end and is connected to the first hub at or near a first expandable arm second end by way of a first hub bracket, a second swivel arm, comprising a second fixed arm, a second expandable arm, and a second hub, wherein the second fixed arm is pivotally connected to the first engaging component at or near a second fixed arm first end and is coupled to the second hub at or near a second fixed arm second end, and wherein the second expandable arm is pivotally connected to the second engaging component at or near a second expandable arm first end and is connected to the second hub at or near a second expandable arm second end by way of a second hub bracket.