What is a reamer used for in surgery?

A reamer is a surgical instrument used to enlarge or shape bone cavities and canals, typically during orthopedic procedures. It allows for precise removal of bone tissue to prepare for the insertion of implants, such as artificial joints or screws. Reamers come in various sizes and designs, enabling surgeons to achieve the desired fit and alignment in complex anatomical structures. Their use is crucial for ensuring optimal outcomes in joint reconstruction and fixation.