For the fixation of proximal and distal femoral fractures, osteotomy plates with different angles were introduced. Angled blade plates, which are of one-piece construction with a fixed angle between shaft and blade, were developed subsequently. The increased strength of the implant due to the fixed angle makes it less susceptible to corrosion. An added advantage of the fixed angle is the possibility of accurate placement of the plate in osteotomies.
The blade of the Angled blade having U cross-section and with 95° and 130° angles are mainly used for fracture fixation. This provides high strength with minimum bone displacement.
The thicker shaft of the plate and broad plate provides the higher stress-bearing capability. Like the straight broad plates, the dynamic compression holes are arranged in an offset mode. The round holes in some types of plates accept 6.5 mm cancellous bone screws. For axial compression of fractures of the femur, it is often necessary to use the articulated tension device instead of the self-compressing DCP holes.
The special design of the angled blade plate requires great precision in fixation. To determine the exact placement of the plate, in both the frontal and the sagittal planes, Preoperative planning is essential. The shaft must line up with the axis of the femur. The anatomical landmarks must be known, and guide wires inserted for orientation at the time of surgery. Misplacement of the plate may lead to Varus, valgus or rotational deformities.
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Siora Surgicals Pvt. Ltd. is a manufacturer and exporter of orthopaedic implants and instruments for over three decades. We have a comprehensive portfolio of trauma products numbering more than two thousand.