After operation, it is safe to using artery sheath as the artery end during hemodialysis and without supplemental heparin.
术后用动脉鞘管做动脉端透析安全可行，可不再加用肝素。
It would be safe to incise the superior lateral wall of intra canal optic sheath in the decompression of optic nerve.
视神经减压术管内鞘切开部位宜选择在鞘的外、上壁交界外。
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