Ophthalmology Instruments | PART 1

Trocar instruments are medical devices used in minimally invasive surgical procedures, such as laparoscopy, endoscopy, and arthroscopy. A trocar consists of: 1. A hollow tube (cannula) inserted through a small incision in the skin. 2. A sharp or blunt tip (obturator) used to penetrate the tissue. 3. A valve or seal to maintain gas pressure or fluid flow. Trocar instruments allow surgeons to: - Insert other instruments (e.g., cameras, graspers, cutters) through the cannula. - Perform procedures w