| 摘要 |
An instrument of the type having a casing with a leading edge to be engaged with tissue that is to be laser treated, a laser fiber with a body having an emitting end, and structure for mounting the laser fiber to the casing so that the emitting end of the laser fiber is in a fixed position with respect to the casing and thereby a tissue that is to be treated and engaged by the leading end of the casing.
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