| 摘要 |
<p>The invention concerns a thigh bone centromedullary pin called ascending (5), that is inserted through the intercondylar notch. This centromedullary pin is solid and curved in the sagittal plane (4), and can be mechanically clamped at its two ends. The distal clamping near the knee is made possible by fixing at the end of the pin, located in the intercondylar notch, a multipurpose clamping guide (27) by means of an adapter (28). When the pin is introduced it is preceded by a perforator (17) with a morphology close to that of the adapter. This perforator comes out of the thigh bone at the front of the digital fossa. The multipurpose guide is fixed to it and enables the proximal clamping of the thigh bone. Then the multipurpose guide and the perforator which are removable can be removed. This ascending pin automatically reduces the supracondylar, optionally the subcondylar and intercondylar) fracture in the frontal and sagittal planes since it aligns the (intercondylar) entry orifice and a long portion of the medullary duct. Furthermore, it reaches the subtrochanteric region. The presence of a perforator enables the use of pins of identical length whatever the length of the injured persons' thigh bone (14 - 15).</p> |
