Clinical study on treatment of avascular necrosis of femoral head by core focus curettement and implantation of autogenous periosteum and bone granules through trochanter 经转子病灶刮除加自体骨膜骨颗粒植入治疗股骨头缺血性坏死疗效观察
Tracheal tumor curettement in 4; 气管肿瘤局部刮除术4例;
Conclusion: The curettement guided by B ultrasound is accurate and safe, and can be universally used in clinic. 结论:B超引导清宫术直观、准确、安全,可在临床应用。
Methods: 1. Aseptically, the cochlear stria vascularis was acquired from normal guinea pigs with micradissection and the endothelial cells were isolated by Collagenase ⅰ digestion. Then, they were cultured and purified by using conditioned medium and mechanical curettement. 方法:1.解剖显微镜下,无菌操作分离获取豚鼠耳蜗血管纹组织,经Ⅰ型胶原酶消化后接种培养,反复多次刮除杂细胞并使用内皮细胞条件培养液对所培养的内皮细胞进行纯化。