缺血组采用颈外动脉逆行置管，暂时夹闭颈总动脉，由导管内注入自体血凝块，建立脑缺血模型。

To set up the cerebral ischemic model, we retrogradely catheterized the external carotid artery, temporarily clipped the common carotid artery, then injected the autocoagnlated clot.

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所述在割管机的工序，先使用驱动机构带动刀片切割管颈，再用火加热被切割处，达到管颈切割的目的。

The working procedure of cutting tube: firstly using driving mechanism to drive cutter blade to cut the neck tube, then using fire to heat the cut position to achieve the purpose of cutting neck tube.

youdao

所述在割管机的工序，先使用驱动机构带动刀片切割管颈，再用火加热被切割处，达到管颈切割的目的。

The working procedure of cutting tube: firstly using driving mechanism to drive cutter blade to cut the neck tube, then using fire to heat the cut position to achieve the purpose of cutting neck tube.

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