Medicine: Darning Blood Vessels

How to repair torn veins and arteries is a big problem for surgeons. For broken blood vessels grow limp, like a flat tire, and it is difficult to spread the severed ends into tubular shape so they can be stitched together. Some 30 years ago, Dr. Alexis Carrel, then teaching at Chicago, overcame this difficulty by stuffing torn blood vessels with vaseline. But this technique was so troublesome that few surgeons have followed it. Last week famed Physiologist Anton Julius Carlson of the University of Chicago announced that one of his medical students,...

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