They face weeks of operations , skin grafts and maybe amputations , but doctors say most should survive .
他们将面临几周的手术、皮肤移植甚至截肢,但是医生认为大部分都没有生命危险。
And within a few years , he says , human skin could be coaxed into growing in a lab and be given to burn victims and other patients who today must undergo painful skin grafts .
Mr murphy says , however , that the company expects that within five years , once clinical trials are complete , the printers will produce blood vessels for use as grafts in bypass surgery .
This means not only that the patient doesn 't acquire a new wound where the graft is taken from , but also that the spray-on solution can be available as soon as required - skin grafts take a certain amount of time to prepare , which exposes the patient to further discomfort and risk of infection .