External fixation

Technique for wire tensioning 

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1. Insert the K wire through the annulated screw on the far side of the ring.

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2. Insert the rectangular washer (5 mm hole) underneath the K wire.

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3. Insert the screw with the hole through the slot in the ring.

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4. Put on the screw the round washer (5 mm hole) and the M5 nut on the opposite side of the ring.

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5. Tighten the bolt VERY FIRMLY, to avoid any K wire slippage.

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6. Put a second bolt on the far side of the ring, but DO NOT TIGHTEN IT.

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7. Insert the wire tensioner on the K wire, paying
attention to match the head clamp to the washer.

8. There should be no space left between the
tensioner’s head clamp and the ring.

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9. Tighten the screw on the back of the tensioner.

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10. You realize when the screw is tighten enough
because of the K wire bending.

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11. Tension the K wire pushing on the tensioner’s
handles.

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12. Lock the tensioner by tightening the locking nut on the side while maintaining the pressure on the handles.

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13. You can release pressure on the handles when the tensioner is locked, and measure the tension using the conversion chart.

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14. Feel the tension of the K wire by your index
finger.

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15. When you are satisfied with the wire’s tension, tighten the nut on the near side of the ring.

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16. Release the locking nut on the tensioner’s
side, then release the screw locking the K wire.

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17. Slide the tensioner off the K wire.