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[求助] 跪求老师指点。大鼠肾脏插管灌流技术

[size=5]我要做大鼠离体肾灌流。肾脏进口是肾动脉,出口是肾静脉和输尿管,1.大鼠输尿管没有张力,很细,很难插进去,插进去容易穿透。有啥好的方法或者器材可以有效插管吗?   2。右肾静脉很短,估计不到一公分,但是我插管肯定要留2公分以上,是结扎腹主动脉下半段,从上面斜插进来好,还是结扎上半段,左肾静脉,从腹主动脉下半段往上插呢?   3,肾动脉很细,隐藏在肾静脉下方。只能把肾脏翻过来才能看见,而且能分离的也很短,1cm多一点,但是从正面插管就很有难度,何况从背面怎么插管,而且肾脏翻动会发现肾脏表面有变成灰色,这是可逆的还是不可逆的,对肾脏有啥不可逆影响没?[/b]
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