摘要手术前诊断粘黏性肠阻塞的肠环的绞榨一直是困难的。
The pre-operative diagnosis of small intestinal strangulation due to an adhesion ileus is often difficult.
然而，当用它的皮肤卷成皮管修复环咽缺损时，由于太臃肿会导致阻塞。
However, when the skin of it was tubed for circumferential defects, the bulk could result in obstruction.
1993年开始实施低压缸密封改造，将浮环密封改造成蒸汽阻塞密封，使用效果良好。
From 1993, the reconstruction of low pressure cylinder sealing began to conduct. The floating ring seal are changed into steam jamming seal. The applied effect is good.
目的：探讨腭咽环扎术(VRLP)后阻塞性睡眠呼吸暂停低通气综合征(OSAHS)患者的上气道形态特征。
Objective: To study the upper airway morphologic changes in patients with obstructive sleep apnea hypopnea syndrome (OSAHS) after velopharyngeal ring ligation procedure (VRLP).
目的：探讨腭咽环扎术（VRLP）后阻塞性呼吸睡眠暂停低通气综合征（OSAH S）的发生情况及特征。
PURPOSE: To discuss the occurrence and characteristics of obstructive sleep apnea hypopnea syndrome (OSAHS) after velopharyngeal ring ligation procedure (VRLP).
目的：探讨腭咽环扎术（VRLP）后阻塞性呼吸睡眠暂停低通气综合征（OSAH S）的发生情况及特征。
PURPOSE: To discuss the occurrence and characteristics of obstructive sleep apnea hypopnea syndrome (OSAHS) after velopharyngeal ring ligation procedure (VRLP).
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