来自《耶鲁大学开放课程：生物医学工程探索第2集第2集》

was one of the first that was available and

它是这项技术最初的一项应用
nitroglycerin for treating heart disease is already available

以及使用硝酸甘油治疗心脏病
and these are really like band-aids

这种贴膜很像创可贴
but they're band-aids that are loaded with drugs and they're

不过是加入了药物的创可贴
designed in such a way that

通过这样的设计
if you apply this band-aid with adhesive to your skin,

当其贴附于皮肤表面时
drug will enter your bloodstream

药物就可以通过皮肤
from the band-aid through the skin,

进入血液循环
and that's been, I think, a good example.

这是个不错的例子
Others?

还有别的吗
Dissolvable stitches or sutures,

可吸收缝合线
now what needs to be engineered in those?

在设计缝合线时需要注意什么问题