After section of proliferative tonsil, the top of palatopharyngeal arch was cut into upper outwards to muscles. 切除肥大扁桃体后,于腭咽弓上极向外上方剪开,达肌层,形成软组织瓣。
AIM: To evaluate the reliability, stability and safety of injection of hydrophilic polyacrylamide gel ( HPG) to palatopharyngeal arch for establishing Chinese small swine model of obstructive sleep apnea. 目的:评价中国小型猪咽腭部注射聚丙烯酰胺水凝胶(hydrophilicpoly-acrylamidegel,HPG)制备睡眠呼吸暂停动物模型的可靠性、稳定性和安全性。