Medical planing device

The utility model discloses a medical planing device. The medical planing device comprises a handle piece, a driving mechanism and a plurality of sets of cutter assemblies, the driving mechanism comprises a driver and a transmission piece, and a mounting part is arranged on the transmission piece; the multiple sets of cutter assemblies are connected with the handle piece, and each set of cutter assembly comprises an inner cutter structure, an outer cutter structure and a matching part matched with the mounting part; the multiple sets of cutter assemblies at least comprise the first cutter assembly and the second cutter assembly, the inner cutter structures of the first cutter assembly and the second cutter assembly have moving strokes rotating relative to the corresponding outer cutter structures, and the inner cutter structure of the first cutter assembly further moves in a reciprocating mode in the axial direction of the handle piece. According to the utility model, the handle piece can be matched with a pl