Line-shaped paw-type patella external fixator

The present invention provides two types of a line-shaped paw-type patella external fixator, comprising A type: two ends of a line-shaped main girder are respectively provided with pressure regulating fixing parts, an arc auxiliary girder is arranged below the line-shaped main girder, and two ends of the arc auxiliary girder are respectively provided with one auxiliary fastener and fixing needles; B type: one end of B type is the same with that of the A type, a b-shaped fixing part is provided below a q-shaped fixing part on the other end, a fixing needle is provided below the b-shaped fixing part, an auxiliary fastener is provided in the middle of the line-shaped main girder, and a splayed needle seat and an auxiliary fixing needle are arranged on both sides. The fixator has advantages of easy installation, wide adjustment range and minimal damage.