Canny Ryall Bougie 26/28 FG - 29/31 FG 245mm Sound The Kocher-Langenbeck Retractor Small is

The Kocher-Langenbeck Retractor Small is a surgical tool used to hold back tissue or organs during a surgical procedure

and the overall length is 7 inches

The Swift Jolly Bladder Blade is a surgical tool used for cutting through the bladder wall during a cystectomy

The head diameter of 8mm and the length of 315mm refer to the size of the instrument

Canny Ryall Bougie 26/28 FG - 29/31 FG 245mm Sound The Kocher-Langenbeck Retractor Small isA Canny Ryall Bougie is a medical device used for dilating the esophagus during endoscopic procedures. It is a flexible, double ended tube, with one end slightly larger than the other, and is inserted into the esophagus to help widen the opening and allow for easier passage of instruments.