A method and apparatus for facilitating communications with a roaming mobile subscriber unit which roams beyond a microcellular communication network, such as a Digital Electronic Cordless Telephone system. In one embodiment of the invention an existing system includes one or more first gas turbines, one or more first steam turbines, and one or more heat recovery steam generators. The apparatus andor methods may allow unidirectional movement of a suture, while preventing slippage or movement of the suture and tissue in the opposite direction.