A sterile surgical instrument used during ear/nose/throat (ENT) surgery for enlarging a salivary gland cavity, canal, or duct, typically prior to the introduction of a catheter during an invasive diagnostic or interventional procedure. It is rod-like device, with a long, very slender body and a rounded nose at its distal end that is made of metal (e.g., stainless steel). This is a single-use device.