| 摘要 |
PURPOSE: A supplementary system in curing womb closely is provided which expands vagina to the same position rapidly and exactly and inserts an injection instrument into the same position so that it helps doctors to observe the internal side of vagina safely. CONSTITUTION: The supplementary system for curing womb closely comprises the parts of: a body(1) with a certain size of space part; a worm wheel which is placed in the body at regular intervals and rotated in a uniform direction; a worm which is rotated in a square direction against the rotation direction of the worm wheel; a movable member(11) which moves outside or returns the worm to the center of the body when the worm is rotated in one or other direction; and a holder member(13) which is touched with vagina directly to expand vagina.
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