| 摘要 |
A surgical reamer ( 10 ) for cutting a bone socket is provided, defining a drive axis, an apex. The reamer ( 10 ) further includes (a) a fixed support portion ( 12 ) aligned with the drive axis and having at least one radial cutting blade ( 16 c); (b) a pivoting portion ( 20 ) aligned with the drive axis and pivotable about this axis, the pivoting portion supporting at least one radial cutting blade ( 20 c); and (c) a pivoting joint ( 22 ) wherein the pivoting portion may be pivoted toward and away from the fixed portion ( 12 ) so as to expand or contract the reamer in relative overall size and wherein the reamer has a cutting orientation in which the cutting blades ( 16 c , 20 c) are supported against relative rotational movement when cutting bone. A surgical kit and method employing the inventive reamer are also disclosed.
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