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Steinman pins, commonly known as K-wires, are primarily used for the internal fixation of fractures. They are thin, flexible metallic wires that can be inserted into the bone to stabilize fractured segments and hold them in proper alignment while promoting healing. The internal fixation method involves securing the fractured pieces of bone together using these pins, allowing for early mobilization of the surrounding tissues and minimizing complications related to prolonged immobility.

The use of K-wires is particularly advantageous because they are minimally invasive and can be easily manipulated, making them ideal for use in various orthopedic procedures. Their primary role in fracture management is to ensure that the fracture maintains the desired position during the healing process.

Other options, such as external fixation of fractures, joint stabilization, or bone grafting, refer to different techniques and methods in orthopedic surgery that involve either devices applied externally, support for joints, or the transplantation of bone material, respectively. These procedures, while important in their own right, do not utilize the internal fixation capability that Steinman pins provide.