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6Opening the medullary canal

Localization of entry point

It is very important to perform every step of the procedure of locating the entry point under image intensifier guidance. On the AP view, center the guide wire exactly in the middle of the intercondylar notch. On the lateral view it should be located in the extension of the Blumensaat’s intercondylar roof line.

The entry point for the nail is in line with the axis of the medullary canal, just below the crest of the intercondylar notch. The correct position is therefore located anterior and lateral to the proximal attachment of the posterior cruciate ligament.