| 摘要 |
<p>An optical surgical device includes a detachable, disposable semi-flexible sheath (12) for insertion into a patient's body. The sheath (12) is provided with a plurality of channels (14, 16, 18). One of the channels (16) receives an endoscope for optical examination of an operative site within the patient. The remaining channels may be used for suction (14), drainage (14), or irrigation (18) of the operative site. The disposable sheath provides a significant improvement in the efficiency and sterility of internal surgical procedures.</p> |
