Which instrument is commonly used for decompressing the gallbladder during cholecystectomy?

The instrument commonly used for decompressing the gallbladder during cholecystectomy is the Ochsner trocar. This specific trocar is designed to facilitate access to the abdominal cavity while allowing for the release of gas and fluids from the gallbladder. Decompression is necessary when the gallbladder is distended, and using the Ochsner trocar helps to minimize tissue trauma and improve the visibility of the surgical field.

The Ochsner trocar features a design that makes it easier to insert into the abdominal cavity and allows for controlled decompression. This is particularly important during laparoscopic procedures, where gas insufflation may create challenges in managing the gallbladder's size. The ability to decompress the gallbladder helps in mobilizing it more effectively during surgery, ensuring that the procedure can be performed safely and efficiently.

Other instruments listed, such as the scalpel, Kelly clamp, and Babcock forceps, serve different purposes in surgical practice. A scalpel is primarily used for making incisions, while a Kelly clamp is typically used for clamping blood vessels or tissues. Babcock forceps are designed for grasping delicate tissues but do not specifically serve the function of decompression.