PFNA Lag Screw

Advantages

1. Efficient and Stable Fixation
   When used with the PFNA intramedullary nail system for proximal femur fractures (including intertrochanteric and subtrochanteric fractures), it provides multi – directional effective fixation. It reduces the micro – movement of the fractured site, creating a favorable mechanical environment for fracture healing and significantly improving the success rate of fracture union.
2. Minimally Invasive Advantage
   Compared with traditional plate fixation, the minimally invasive implantation method of the PFNA lag screw combined with the intramedullary nail system results in smaller surgical incisions. It causes less damage to surrounding soft tissues, reducing intraoperative bleeding and the risk of postoperative infection, and promoting rapid patient recovery.
3. Wide Applicability
   Suitable for various proximal femur fractures, including stable and unstable fractures such as intertrochanteric fractures, subtrochanteric fractures. It also applies to pathological fractures caused by tumors or osteoporosis, meeting the treatment needs of different patients and providing a reliable treatment option for clinicians.

Applications

1. Intertrochanteric Femur Fracture Treatment
   This is the most common application scenario. For intertrochanteric fractures, especially in the elderly, the PFNA lag screw, when used with the PFNA intramedullary nail, resists shear and rotational forces at the fracture site. It helps patients recover walking function quickly and reduces complications caused by long – term bed rest.
2. Subtrochanteric Femur Fracture Treatment
   For subtrochanteric fractures, the combination of the PFNA lag screw and intramedullary nail provides strong support and stable fixation. It prevents displacement and malunion of the fracture site, facilitating postoperative rehabilitation and functional recovery of the affected limb.
3. Pathological Femur Fracture Treatment
   In cases of pathological fractures of the proximal femur due to tumors or osteoporosis, after tumor resection or corresponding treatment, the PFNA lag screw can effectively fix the fracture site. It helps patients relieve pain and restore the function of the affected limb.