Czerny Retractor Double Ended (177.8mm) (7inch) Double Hook inch) is a surgical instrument

inch) is a surgical instrument used to hold a towel or other draping material in place during a surgical procedure

It is designed to fit No-4 18-36 blades

and trimming

It is inserted into the vessels and the hole on the device is used to guide a suture to connect the two vessels

2mm) (8 inch) refers to the size of the scissors

Czerny Retractor Double Ended (177.8mm) (7inch) Double Hook inch) is a surgical instrumentA Czerny Retractor is a surgical instrument used to retract tissue and organs during a surgical procedure. It has double ended blades and is used to spread apart tissue and organs in order to give the surgeon better access to the surgical site. This particular model is 7 inches long and 177. 8mm wide.