| 摘要 |
In a surgical knife, a slider has an operating part to be operated through the operating part, a surface of the operating part is exposed through a window hole of a guide groove, an arresting means for arresting the slider is released by urging the operating part linearly in a direction to be moved, and the slider is moved by applying a forward or backward force to the operating part, so that the surgical knife in which a cutter blade can be moved by one hand between its projected position and its withdrawn position with respect to the holder when the holder is held by the one hand, and a user does not feel a pain on a user's finger when operating the cutter blade.
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