AcessSurgery multimedia provide a series of short surgical videos and radiology images demonstrating the procedures of surgical treatments
SAGES TV provides videos on gastrointestinal and endoscopic surgical procedures as produced by the Society of American Gastrointestinal and Endoscopic Surgeons - Free source.
MedlinePlus videos of surgical procedures provides links to pre-recorded webcasts of surgical operations performed at medical centers in the United States. - Free source
Websurg provides online video of surgical procedures on general and digestive surgery, endocrine surgery, pediatric surgery, thoracic surgery, urology, gynecology, etc. - Free source