Systems and methods are described for using a client agent operating in a virtual private network environment to intercept HTTP communications. The medical device includes an elongated portion having a proximal end portion and a distal end portion. The front and back base fabrics of the gas inflow channel sag upon completion of inflation and deployment to form a wrinkled portion that blocks or narrows the gas inflow channel. It is also easy to install the touch pad apparatus. The upper staple supporting surface supports staples of different wire diameters in an upright position.