| 摘要 |
PROBLEM TO BE SOLVED: To provide an observation unit for an operation which can simplify the constitution of an overall system, which can rapidly change the observation from endoscopic observation to stereoscopic observation vice versa in accordance with the progress of the operation and which can improve the operating efficiency. SOLUTION: The observing unit for the operation comprises a first observing section 10 for making stereoscopic observation, a second observing section 11 for making endoscope observation, arranged in a housing 9 of a single observing unit 2, and a changeover switch 20 for switching the observing states of the first unit 10 and the second unit 11. |
