During an operation, what tool is typically used to cut through heavy tissue?

The use of a bone saw is specifically designed for cutting through hard and dense tissue, such as bone, during surgical procedures. This tool features a sturdy structure and sharp teeth that allow it to efficiently slice through bone, making it essential for surgeries requiring the manipulation or removal of bony structures.

Bone saws come in various forms, including hand-held instruments and power saws that enhance efficiency and precision in orthopedic surgeries, for instance. Their ability to handle heavy tissue sets them apart from other tools mentioned.

Surgical scissors, while versatile in tissue manipulation, are primarily used for softer and finer tissues and would not be effective for cutting bone. Electrocautery is utilized for thermal tissue incision and coagulation but does not provide the mechanical cutting power needed for dense tissue. Similarly, a surgical knife is designed for softer tissues and is not suitable for navigating through the rigidity of bone. Thus, the bone saw is the appropriate tool for this specific surgical requirement.