Currently into the family of physical therapy instrument can be divided into three broad categories: low-frequency electrotherapy instrument, magnetic therapy instrument, infrared light therapy instrument. But the market sales of physical therapy instrument, the name is confusing, the lack of unified management, such as the same low-frequency electrotherapy instrument, some called electro-acupuncture instrument, some called acupuncture instrument, some called the cervical spondylosis treatment instrument, some called osteoporosis treatment instrument, so that patients are confused. Three categories of physical therapy instrument has its own characteristics: low-frequency electrotherapy instrument, can be direct contact with the skin, causing the treatment of local muscle contraction, resulting in a feeling similar to the massage technique, and electric numbness, suitable for soft tissue chronic strain disease; magnetic therapy instrument, without direct contact with the skin, can be treated through the clothing, and more with infrared light combination, the treatment of the feeling of heat, especially suitable for the winter elderly lumbar and leg pain and soft tissue hematoma The absorption; infrared light therapy instrument treatment, to direct irradiation of the skin, producing a warm feeling, so the soft tissue pain caused by cold and gastric pain caused by stomach cold, cold due to menstrual cramps, diarrhea, has a very good therapeutic effect.
Physical therapy devices have contraindications: malignant tumors, high fever, bleeding tendency, installation of pacemakers, treatment of local metal foreign bodies, etc., can not be physiotherapy.