Orthopedics expansion pincers

The utility model discloses an orthopedics expansion pincers, including first tong arm, second tong arm, ring, pivot and rubber sheath, the pivot is established at first tong arm middle part, first tong arm is articulated through pivot and second tong arm, the ring is established at first tong arm and second tong arm terminally, the ring welds with first tong arm and second tong arm respectively, the rubber sheath is established at first tong arm and second tong arm front end, first tong arm and second tong arm front end are provided with the crotch, the crotch front end is provided with extension lever, the crotch below is provided with the fixed plate, still be provided with shell fragment and rack on the first tong arm, shell fragment and first tong arm fixed connection, the rack is articulated with first tong arm, this orthopedics expander compact structure, and stability is high, has expansion and fixed action, and convenient operation is reliable. 本实用新型公开种骨科扩张钳，包括第钳臂、第二钳臂、指环、转轴和橡胶护套，所述转轴设在第钳臂中部，所述第钳臂通过转