| 摘要 |
<p>The device, has a number of permanent magnet balls or rollers moved across the surface of the skin to provide the massage movement. Pref. the device uses two or four axially magnetic rollers lying coaxially. The rollers are supported by a steel frame extending from the plastics handgrip at a distance of about 25mm apart, with a flux field extending between the rollers. Non-magnetic balls or rollers may also be used. The massage device can be used for treating rheumatism or for muscle strain or cramp, or for chirotherapy.</p> |
