全球首台“胶囊内镜机器人”投入临床使用

2013-03-22 肖鑫 俞治 黄辛 中国科学报

记者在第二军医大学长海医院获悉,由该院联合上海理工大学、武汉安翰光电技术有限公司研制的“胶囊内镜机器人”,已获国家药监局注册审批,并正式投入临床使用。 据查证,这是全球首台可定位可遥控胶囊内镜机器人。患者只要吞下一颗普通胶囊药物大小的胶囊内镜,医生就能把隐藏在患者胃里的病灶看得清清楚楚。 该机器人的总设计师、第二军医大学长海医院消化内科主任李兆申教授介绍说,人体腹中5至7米长的


记者在第二军医大学长海医院获悉,由该院联合上海理工大学、武汉安翰光电技术有限公司研制的“胶囊内镜机器人”,已获国家药监局注册审批,并正式投入临床使用。 
据查证,这是全球首台可定位可遥控胶囊内镜机器人。患者只要吞下一颗普通胶囊药物大小的胶囊内镜,医生就能把隐藏在患者胃里的病灶看得清清楚楚。 
该机器人的总设计师、第二军医大学长海医院消化内科主任李兆申教授介绍说,人体腹中5至7米长的小肠,一向是胃镜、肠镜检查所无法涉足的“盲区”。长期以来,我国小肠疾病的诊断率只有10%。 
使用“胶囊机器人”检查胃病,患者仅需吞服一粒特制的小“胶囊”,胶囊便会听从医生的无线磁场遥控指令,进入患者肠胃,并按照医生的操控,在患者肠胃中上下左右翻滚、旋转或者平移。同时,一幅幅图片将实时传出体外,收录进一旁的电脑中,供医生分析和诊断。 
更具创新性的是,由于安装了磁定位芯片系统,胶囊内镜可以在医生的控制下巡视消化道任意位置,实现定位功能。为此,研究人员开发出一种类此CT扫描仪的“检测床”,让病人吞服胶囊内镜后躺上去,通过体外磁场控制,引导胶囊内镜游走至体内病灶处悬浮。然后,检测人员控制磁场的大小和方向,可以让胶囊内镜拥有仰视、俯瞰、旋转等6个角度的“视角”,充分聚焦消化系统内有何异样。 
检查完成后,胶囊将会顺着胃肠道自然排出患者体外,整个胃镜检查过程只需要半个小时。

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    2013-03-24 xue8602
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