FIELD: medical engineering. SUBSTANCE: device has two V-shaped tubular uprights, braced and stopper mechanism. The vertical parts of the uprights are of variable height and are rigidly connected with tubular cross-bars. The brace pivotally links the frontal vertical parts of the uprights. The stopper mechanism is positioned above the brace and rotatably connects the frontal vertical parts of the uprights. The stopper mechanism has two telescopic tubes having holes in the join part for spring-loaded button placed in the internal tube and bushing mounted on the external tube. The bushing has a petal formed by two slots running in parallel in the bushing wall. The bushing is made from elastic material. EFFECT: improved way of folding and unfolding the device. 3 dwg
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