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不久前,借助于一台新颖的X射线机的帮助,医生能够实时地观察到一个心脏的跳动、肺部的呼吸和血液循环。这台机器是由Raytheon公司为Mayo诊所而制造的,称为动态空间重现机(dynamic spatial reconstructor,简称DSR机),利用这台机器,Mayo研究者将看到活动器官的影象,并希望用它探测器官的早期病变。 DSR机与计算机X线断层扫描仪(即CAT)有着某些类似之处,也有不同之处:CAT扫描仪仅用一个X射线管,而DSR机有28个X射线管及调制器,将
Not long ago, with the help of a novel X-ray machine, doctors were able to observe in real time a heart beat, lungs breathing and blood circulation. The machine, manufactured by Raytheon for the Mayo Clinic, is called the dynamic spatial reconstructor (DSR), and Mayo researchers will see images of moving organs and hope Use it to detect early lesions of organs. There are some similarities between the DSR and the computed tomography (CAT) scanner: the CAT scanner uses only one X-ray tube and the DSR has 28 X-ray tubes and modulators that will