Which of the following is not typically used during spine surgery?

The cryotherapy device is not typically used during spine surgery. Cryotherapy, which involves the application of extreme cold to destroy tissue, is more commonly utilized in other surgical contexts such as orthopedic surgeries for soft tissue repair or in the management of certain tumors.

In spine surgery, the main focus is often on providing access, stabilizing the vertebral column, and facilitating proper alignment and fusion of the spine. Tools such as bone saws are essential for cutting through bone during procedures like laminectomy or discectomy. The Cobb elevator is specifically designed for elevating and mobilizing soft tissue and periosteum during spinal operations. A surgical microscope is invaluable in spine surgeries for enhancing visibility of delicate structures, allowing for precision in navigating around critical nerve roots and blood vessels.

Thus, while cryotherapy has its specialized uses, it is not a standard tool in the typical arsenal of instruments employed during spine surgery.