| 摘要 |
A therapeutic vibrator includes a vibrating unit, a spherical roller ball adapted to be vibrated by the action of a driving source disposed within the vibrating unit, a roller ball retention cup which houses the roller ball as the diameter of the roller ball is slightly larger than the opening of the retention cup. The roller ball is captured within yet protrudes from the retention cup providing a vibrating, omni-directionally moveable rolling ball surface for applying a therapeutic affect to body parts.
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