英語(yǔ)沙龍十年合集珍藏版第三輯Picture Snapping1) Pill

所屬教程:英語(yǔ)沙龍十年合集珍藏版第三輯

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Picture Snapping¹⁾ Pill

Physicians perform more than two million endoscopies²⁾ a year on the small intestine³⁾，looking for cancers and other ailments⁴⁾ by inserting fiber－optic⁵⁾ tubes via the throat or rectum⁶⁾．This often requires sedation⁷⁾，can be uncomfortable，and some areas remain inaccessible．But now doctors have a tool that can see more of the small intestine．The M２A ――recently approved for use along with traditional endoscopes ――is a wireless video capsule that’s swallowed．It maps the intestine as you go about your business．The M２Asanps two pictures a second for eight hours as it passes through a patient’s system，beaming images to a small recorder worn at the waist．These images are then downloaded to a computer for doctors to analyze．The capsules won’t banish the endoscope，however doctors believe that the M２A is an important diagnostic⁸⁾ advance．

可在體內(nèi)拍照的藥丸

每年內(nèi)科醫(yī)生要在狹窄的小腸上做２００多萬(wàn)次的內(nèi)窺鏡檢查，通過(guò)從喉部或直腸處插入的纖維視覺(jué)管尋找各種癌變和其他疾病的跡象。這種方法經(jīng)常需要對(duì)病人施以鎮(zhèn)定劑，可能會(huì)有不舒適的感覺(jué)，而且有些地方還探察不到。但是現(xiàn)在醫(yī)生們有一個(gè)可以大范圍地監(jiān)察小腸的器具。最近批準(zhǔn)的可與傳統(tǒng)的內(nèi)窺鏡共同使用的M２A是一種可吞咽的無(wú)線影像膠囊。在不影響你正?；顒?dòng)的情況下就可以對(duì)腸道進(jìn)行拍攝取照。M２A在人體系統(tǒng)內(nèi)運(yùn)行時(shí)，每秒可拍兩幅照片，可在病人體內(nèi)連續(xù)工作８小時(shí)。所拍圖像被戴在腰間的一個(gè)小記錄器接收、保存。然后這些圖像將被下載到電腦里供醫(yī)生們進(jìn)行分析和研究。這種膠囊不會(huì)取代內(nèi)窺鏡檢查的方法，但醫(yī)生們認(rèn)為M２A是醫(yī)學(xué)診斷上的一個(gè)重大進(jìn)展。