| 摘要 |
FIELD: medicine; medical equipment. SUBSTANCE: device has a bedding with a pillar, an extension mechanism, a vibrator, and fasteners for the patient. The bedding is a pad fixed horizontally by the patient's weight. The extension mechanism mounted on the pillar top is a fork-shaped bell-crank. The bell- crank has two arms. One arm of the bell-crank is formed by the fasteners adjustable for horizontal spacing between them, and the vibrator is mounted on the end of the other arm. The other arm is a counterweight spring-joined to the pillar. EFFECT: simpler design; easier transportation. |
