Provided herein is a device for ventilating an orthopedic cast. The device includes (a) an air-pump； and (b) a flexible tubing connected to the air-pump； such that the flexible tubing is insertable into the space between the orthopedic cast and the body of the wearer of the orthopedic cast. The air-pump permits air to be forced into the flexible tubing to ventilate the space between the orthopedic cast and the body of the wearer of the orthopedic cast through an opening in the flexible tubing.
