Check the listing for details. Endoscope Sheath Trocar 30° Rigid Sinuscope Arthroscope Ø4mm 175mm. Condition: Used. Listed at 700.00 USD. The Endoscope Sheath Trocar 30° Rigid Sinuscope Arthroscope Ø4mm 175mm by KARL STORZ is a high-quality medical instrument designed for arthroscopic procedures. With a 30° view angle and rigid flexibility, this arthroscope offers precise and clear visibility for the surgeon. The 175mm length and 4mm diameter make it suitable for various surgical applications, providing a reliable tool for healthcare professionals in the field of orthopedics and sports medicine.