Unilateral three -dimensional external fixed device
An external fixator, three-dimensional technology, applied in the field of medical devices, can solve the problems of unsightly exposed fixation needles, affecting the daily activities of patients, unable to achieve three-dimensional fixation, etc., shortening the time required for adjusting the fixation, convenient self-care, Lightweight and beautiful overall design
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Embodiment 1
[0041] Such as Figure 1-Figure 12 As shown, the unilateral three-dimensional external fixator in this example includes a connecting rod 1, four clamping blocks 2, four fixed short rods 3 and four traction nails 5, and the traction nails 5 are fixed on the fixed short rods 3. The clamping block 2 is sleeved on the connecting rod 1 , and the fixed short rod 3 is fixed on the clamping block 2 .
[0042] The traction nail 5 is an integrally formed breakable self-locking fixing screw, including a breakable part 51 and a nail body 52; Nut 521 ; the main body of the breakable part 51 is cylindrical, and the part where the breakable part 51 is connected to the nut 521 is in the shape of a truncated cone.
[0043] The upper part of the fixed short rod 3 is provided with a first screw hole 6 matching the breakable self-locking fixing screw, and the lower part of the fixed short rod 3 is provided with a cylindrical positioning pin 7; the clamp block 2 includes Left fixed block, right ...
Embodiment 2
[0047] The difference between this embodiment and the first embodiment is that the short fixing rod 3 is arc-shaped.
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