Patent ID: 9265653
Filing Date: 2016-02-23
CPC Classification: A61F,A61H,B82Y

Claim Text:
1. A thermal therapy device comprising: a substrate; a plurality of row electrodes supported by the substrate; a plurality of column electrodes supported by the substrate and insulated from the row electrodes; and a plurality of heating units located on the substrate, wherein each of the heating units comprises a first electrode, a second electrode, and a heating element electrically connected to the first electrode and the second electrode; wherein the heating element comprises a carbon nanotube film structure and a polymer matrix, the carbon nanotube film structure is substantially parallel to and offset from a central plane of the polymer matrix, and the polymer matrix has a surface adjacent to the substrate, the carbon nanotube film structure is disposed in the polymer matrix and is adjacent to the surface of the polymer matrix, the row electrodes are crossed with the column electrodes, cooperatively forming a grid defining a plurality of openings, the heating units are arranged in the openings in a one-to-one manner, and in each of the openings, the first electrode and the second electrode are electrically connected to one of the row electrodes and one of the column electrodes, respectively; wherein thermal expansion coefficients of the polymer matrix and the carbon nanotube film structure are different so that the heating element is configured to bend in a direction away from the substrate when current flows through the carbon nanotube film structure.