Surgical staple remover and its use – part 2

Surgical staple remover and its use

Attached drawing description

[0015] FIG. 1 is a structural diagram of a drill guide in the present invention,

[0016] FIG. 2 is a schematic structural diagram of the screw nail extractor in the present invention,

[0017] FIG. 3 is a structural diagram of another embodiment of the screw nail extractor in the present invention.

[0018] in the figure, 1. Guide handle, 2. Guide link, 3. Guide head, 4. Drill bit, 5. Guide hole, 6. Auxiliary fixing needle, 7. Nail extractor handle, 8. Nail extractor rod, 9. Nail extractor thread head, 10. Nail extractor handle rod.

Specific implementation

[0019] the specific embodiment of the present invention is as shown in the figure:

[0020] embodiment 1, an orthopaedic broken nail extractor, which is characterized in that it is composed of a drill guide, a drill bit 4 and a screw nail extractor. One end of the guide link 2 of the drill guide is a guide handle, and the other end is equipped with a factory shaped guide head 3. The horizontal section of the guide head has a guide hole 5 for installing a drill bit, and the inclined section of the guide head is welded with an auxiliary positioning pin 6. The nail extractor is T-shaped, The upper end of the nail extractor rod 8 is provided with a nail extractor handle 7 perpendicular to it, and the lower end is a truncated conical screw extractor thread head 9. The thread direction is reverse thread, i.e. left-hand thread. The front end of the thread head is 0.5-1mm smaller than the drilling diameter, the rear end is 1-2mm larger than the drilling diameter, and the thread length is 15-25mm. In the invention, the drill bit and the nail extractor rod are made of medical hard alloy steel, and other parts can be made of medical stainless steel.