A subambient pressure feature for assisting in guidance of storage tape within a tape transport system such as a data storage tape cartridge andor a tape drive. The superstructure and the hull each have an interface providing quick connect and disconnect capability between the control units of the superstructure and the components being controlled of the hull. In some instances, the telemetry coupling electrodes of the delivery catheter may approximate the spacing of telemetry electrodes on an IMD. The outer circumference of the tubular elongated body can act as a floor or scaffold for regenerated smooth vascular muscle cells. The unclosed curvilinear frame is made of a material with shape memory effect, thus forming a compressing element that is set to memorize the shape of the curvilinear figure repeating the external contour of a penis base in erected state. Another embodiment provides a method of generating a reduced bandwidth envelope signal VDD for the power supply modulator of an RF amplifier.