trocar sheath
常见例句
- Our technique is done under direct visualization and trocar sheath in its position.
我们的技术是直接可视化及套管针鞘的位置。 - During the period of oxygen-inspiration rest in the chamber, oxygen-inspiration circuit with "Y" type tube was removed, and nasal prosthesis was kept at the trocar sheath of the trachea;
舱内吸氧休息阶段，摘除带有“Y”型管的吸氧回路，人工鼻保留在气管外套管上； 返回 trocar sheath