FIELD: medical equipment.
SUBSTANCE: invention relates to an inflatable dilatation device. Inflatable dilatation device (10) comprises tubular frame (12) and an elongated inflatable first cylinder (14a). Tubular carcass (12) comprises the first carcass element (16), which passes in a zigzag manner along the circumference. Elongated inflatable first balloon (14a) is attached to first frame member (16) and extends in a zigzag manner along first frame member (16), as a result, inflation of first balloon (14a) causes joint expansion of first balloon (14a) and first frame element (16) in circumferential direction from compressed state to expanded state.
EFFECT: invention provides smaller relative movement of the cylinder and the frame.
20 cl, 3 dwg
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