A slender, rod-like, hand-held manual surgical instrument intended to be used to explore cavities, wounds or fistulas during abdominal, ENT, and/or orthopaedic surgical interventions; it does not include stereotactic devices and is not dedicated to endoscopy. It may have a blunt bulbous, paddle-like, or pointed tip, may be single- or double-ended, and the shaft may be straight, bent or hooked. It is made of rigid or flexible metallic and/or synthetic polymer material. This is a reusable device.