DNT可被包裹在渗血的主动脉移植物周围起到止血作用。
DNT can be wrapped around oozing aortic graft to control bleeding.
用自体移植物代替主动脉根，然后再缚上肺自体移植物。
Use the autograft to replace the aortic root and then attach a pulmonary homograft.
应用该新型移植物施行猪降主动脉置换手术并评价其临床效果。
Some swine descending aorta substitution experiments were carried out by use of the new devices and clinical assessment was done.
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