U.S. patent application 20190231598 (applicant Alps South LLC, St. Petersburg, Fla.):
"A garment using a phase change material that change phase from solid to liquid at a low or high temperatures situated within a gel matrix. The phase change material may be used after surgical procedures to reduce swelling, edema and bruising. The gel matrix allows the material of the present invention to maintain a conformable and elastic form at room temperature. This invention provides the novelty of a low or high temperature phase change material that is conformable to surfaces or volumes of varying geometry."