Each year more than 100000 americans would benefit from a new heart estimatesAbiomed but the majority never even make it to the waiting list as the number ofdonor hearts hovers around 2000 annually.
阿比奥莫德公司估计,每年有10万以上的美国人需要接受更换心脏的治疗,但是由于每年捐献的心脏总是在2000个左右,所以大多数人根本排不上号。
The quest for an artificial heart dates back at least to the 1950s when Willem Kolffimplanted the first model in animals. Almost 20 years later Domingo Liotta placed amechanical pumping device into a 47-year-old patientfor three days proving thatsuch replacement organs could function at last temporarily. In 1982 a patient namedBarney Clark who was suffering from a failing heart swapped his own heart for adevice called the Jarvik-7. plagued by medical problems Clark died after 112 days.In subsequent years the Jarvik-7 helped keep more than 70 people alive while theywaited for a transplant. But since patients were tied to external compressed-air hosesto power the heart the Jarvik-7 was never widely used as anything more than ashort-term replacement.
对人造心脏的探索至少可以追溯到20世纪50年代,当时威廉科尔夫在动物身上植A了人造心脏的第一个模型。大概20年以后,多明戈利奥塔将一个机械泵装置在一位47岁的患者体内放了3天,证明这种替换器官雒够起作用,起码可以应急。1982年,一位名叫巴尼克拉克的病人患有心力衰竭,医生用一种名叫Jarvik-7的装置替换了他的心脏。由于医疗和器械问题的困扰,克拉克在112天后死亡。在以后的若干年里,Jarvik-7帮助70多人活着等待移植。但是由于病人耍被拴在向心脏提供动力的体外压缩空气软管上,所以Jarvik-7除了作为姬期替换使用外,从没得到过广泛使用。
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