A protective cushion for preventing a medical device from damaging the skin of a patient and a method for using the cushion. The cushion includes a bottom portion made of soft material and configured for resting against the patient's body and separating the medical device from the patient's body; and a top portion configured for receiving the medical device. The soft material can be resistant to bacterial growth. The bottom portion can have a concave curvature to fit against the patient's body. The top portion can include an opening shaped for receiving the medical device. The opening can separate the top portion into first and second side portions. The top portion can include a fastening system for securing the medical device in the protective cushion. The fastening system can include a tab or the opening shape. The cushion can include a cover for covering the opening in the top portion.