| 摘要 |
The present invention provides a broken piece-removing device (300) for removing a broken piece of a treatment instrument left in the root canal of a tooth. Specifically, a device for removing a broken piece (300) according to the present invention includes a handle to be held (312), a tensile guide plate (314) protruding at the distal end of the handle (312), and a wire (316) for fastening the broken piece at the distal end of the guide plate (314), the wire (316) having its proximal end located inside the handle (312) and extending to the distal end of the guide plate (314) along the guide plate (314) and forming a loop at the distal end of the guide plate (314), the handle (312) having a controlling portion for constricting a loop (318) formed at the distal end of the guide plate (314) through the wire (316).
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