The probe puncture guiding device comprises a support, a cylinder, a lantern ring, two connecting rods and two clips.
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目的：比较行环甲膜穿刺表麻与否对全麻鼻腔盲探插管的影响。
VE:To compare the effect between general anesthesia by nasal cavity blindly intubation with and without topical anesthesia through thyrocricocentesis in maxillofacial operations.
3
结论：环甲膜穿刺置管术治疗紧急喉梗阻安全有效、简便易行。
No complication was found after operation. Conclusion: This surgical procedure is safe, effective and easy for acute laryngeal obstruction.
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