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当早期癌局限于声带中部游离缘,且其运动良好者,如果可用大口径喉镜充分暴露,则适于经口进行激光切除。暴露不良或癌病已延至前连合、杓状软骨或声门下区,则忌用这种疗法。应用二氧化碳激光于喉部疾病的治疗,需有适合的手术用激光,配备手术显微镜,其上装有400毫米前镜头,可用双目经大口径喉镜操作。需用全麻进行手术,经常规诱导后,插入内径6毫米有打气囊的气管内插管以维持麻醉。病人体重在70公斤以下者,插管的内径以5毫米为好。在插管近气囊的3厘米处,可覆以自粘的铝皮,以防激光对插管的损坏。
When the early stage of cancer is limited to the middle of the vocal cord free edge, and its movement is good, if large-diameter laryngoscope can be fully exposed, then suitable for oral laser resection. Exposed or cancer has been extended to the anterior commissure, arytenoid cartilage or subglottic area, then avoid using this therapy. The application of carbon dioxide laser in the treatment of throat diseases, the need for a suitable surgical laser, equipped with a surgical microscope, which is equipped with a 400 mm front lens, binocular large-caliber laryngoscope can be operated. Need to use general anesthesia for surgery, after conventional induction, intratracheal intubation tube inserted 6mm diameter balloon to maintain anesthesia. Patients weighing less than 70 kg, the diameter of the intubation to 5 mm as well. In the intubation near the balloon 3 cm, can be covered with self-adhesive aluminum skin, to prevent laser damage to the intubation.