Multidirectional locking intramedullary interlocking nail
A technology of intramedullary nails and locking nails, which is applied in the field of multi-directional locking intramedullary nails, can solve the problems that the locking nails do not have the function of cancellous bone screws, the platform fracture has no encircling effect, and there is no multi-directional locking function. The effects of protecting blood supply, reducing the range of incision and peeling, and strong angular stability
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[0034] Embodiment: As shown in the figure, a locking multi-directional interlocking intramedullary nail includes a main nail 1 and a locking nail 2. The main nail 1 is rod-shaped, made of titanium alloy or 317L stainless steel, and the diameter of the main nail is 8 -12mm, a forward 8±3° bend angle 3 is provided at the proximal end 5-11cm of the main nail 1, the diameter from the bending point to the proximal end is 10-14mm, and eight locking nail holes are provided within 60mm of the proximal end , which are respectively a threaded locking nail hole A 4 in the front and back direction at 10 mm from the proximal end. The high-threaded cancellous bone locking screw 2 directly penetrates into the locking nail hole A 4 front and rear. The thread height of the high-threaded cancellous bone locking screw is 0.2-2.5mm, pitch 1.0-4.0mm, the bottom of the wire is a round pole shape, the diameter of the bottom of the wire is 2.0-6.0mm, the outer diameter of the locking nail is 4.5-6.5mm...
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