This invention relates to a therapeutic device for treating a human or animal body, comprising an array of infrared-emitting elements disposed on or within a flexible substrate and attached to the body part to be treated using an attachment means, said array comprising a first plurality of infrared-emitting ceramic elements having a specific spectral luminance covering at least a part of the 3-7 micrometer wavelength spectrum and having a peak wavelength between 3 and 7 micrometers, and a second plurality of infrared-emitting ceramic elements having a specific spectral luminance covering at least a part of the 7-14 micrometer wavelength spectrum and having a peak wavelength between 7 and 14, that provides an effective means to healing the body.