A method for delivering a sutureless cardiac valve prosthesis using a transapical approach is provided. A method is provided for obtaining information regarding the source of a product from a remote information source location on a global communication network utilizing a product code associated with the product and unique thereto. The secondary part comprises at least one active region which is characterized in that all of the teeth of an active region also comprise conductive coils. The nozzle assembly includes at least one dog tooth and the hinge assembly includes at least one slot, such that the valve can open only when the dog tooth is aligned with the slot. A return of the timing error to a predetermined value is synchronized at a start of a receive data capture event.