and that suture line has to make a neat connection or anastomosis

同时缝合部位还必须和原来的血管
with the native vessel.

严丝合缝才行
Surgeons being able to sew into the material reliably is,

而能否让外科医生可靠地缝合
obviously, an important part of the design.

显然就成了设计的关键部分
Dacron, a textile, has a nice property that way.

涤纶这种织物在这方面就有优异的性能
The other material that's used often is a material

另一种经常用于这类用途的材料
you're familiar with called GORE-TEX.

是你非常熟悉的戈尔特斯
GORE-TEX is basically Teflon,

戈尔特斯基本上就是特氟龙[聚四氟乙烯]
its Teflon that is treated

是经过特殊处理的特氟龙
in a special so that it becomes porous.

因此具有渗透性
One of the properties of Teflon,

特氟龙的一个性质
you use it as cookware, for example,

能用来做厨具