CT机，你可能不知道的8条八卦

admin

                    

                    

                    
                    
                    <p style="padding-top: 12px; padding-bottom: 12px; border: 0px; font-size: 16px; line-height: 30px; color: rgb(51, 51, 51); font-family: Verdana, Arial, 微软雅黑, 宋体; white-space: normal; background-color: rgb(255, 255, 255);">照<a class="contentlabel" style="outline-style: none; color: rgb(51, 51, 51);"><em>CT</em></a>，拍片子，大家应该都不陌生，但以下关于<a class="contentlabel" style="outline-style: none; color: rgb(51, 51, 51);"><em>CT</em></a>机的8条“八卦”知识和资讯，你造吗?</p><p style="padding-top: 12px; padding-bottom: 12px; border: 0px; font-size: 16px; line-height: 30px; color: rgb(51, 51, 51); font-family: Verdana, Arial, 微软雅黑, 宋体; white-space: normal; background-color: rgb(255, 255, 255);">　　1.&nbsp;<a class="contentlabel" style="outline-style: none; color: rgb(51, 51, 51);"><em>CT</em></a>，大名计算机断层扫描系统，原理和X光相同。不同的是，X光拍摄的是人体平面图，体内器官呈前后重叠状态。CT机采取断层扫描，就像把面包切成薄片。往往一个东西所分割的层次越多，获得的信息就越丰富。64排CT机就是说它有64排探测器。排数越多，一圈下来获得的“面包”薄片就越多，一般来说，64排CT一圈扫描即可采集64幅图像。</p><center style="color: rgb(51, 51, 51); font-family: Verdana, Arial, 微软雅黑, 宋体; font-size: 14px; line-height: normal; white-space: normal; background-color: rgb(255, 255, 255);"><img src="http://mmbiz.qpic.cn/mmbiz_jpg/A1DicCH9Vl6Mn5WmG74P6ibyVV2mRibq7xiaZhnUhwt2GKWqvX72p0glV7UdaJhVia1BiatoicbG1CdJs4zBkYibkvh19A/0?wx_fmt=jpeg" width="548" height="336" style="border: 0px; max-width: 596px;" class="" data-type="jpeg" data-ratio="0.6131386861313869" data-w="548"  /></center><p style="padding-top: 12px; padding-bottom: 12px; border: 0px; font-size: 16px; line-height: 30px; color: rgb(51, 51, 51); font-family: Verdana, Arial, 微软雅黑, 宋体; white-space: normal; background-color: rgb(255, 255, 255);">　　2.&nbsp;<strong>除了“排”，CT机还有“层”的概念，“层”直接关系到CT的“眼神”好不好</strong>。还是以64排CT为例，如果它具备128个数据采集通道，一圈扫描则可获得128层图像，比普通的64排64层CT增加1倍的信息量。所以，64层CT和128层CT比，谁得到的信息更详细?</p><center style="color: rgb(51, 51, 51); font-family: Verdana, Arial, 微软雅黑, 宋体; font-size: 14px; line-height: normal; white-space: normal; background-color: rgb(255, 255, 255);"><img src="http://mmbiz.qpic.cn/mmbiz_jpg/A1DicCH9Vl6Mn5WmG74P6ibyVV2mRibq7xia9o8E1BfODfPzppWHr1qZfeia3VNegYRADd3ia6mMaeryjNwZUymGzUiag/0?wx_fmt=jpeg" width="538" height="315" style="border: 0px; max-width: 596px;" class="" data-type="jpeg" data-ratio="0.5855018587360595" data-w="538"  /></center><p style="padding-top: 12px; padding-bottom: 12px; border: 0px; font-size: 16px; line-height: 30px; color: rgb(51, 51, 51); font-family: Verdana, Arial, 微软雅黑, 宋体; white-space: normal; background-color: rgb(255, 255, 255);">　　3.&nbsp;CT机不光能用于疾病的早期诊断与筛查，还能用来考古和破案。智利一家博物馆就借用<a class="contentlabel" style="outline-style: none; color: rgb(51, 51, 51);"><em>西门子</em></a>CT破解了一起1500多年前的木乃伊的死因。发现这位木乃伊先生从高处跌落，摔断7根肋骨和左脚骨，头骨并未受损。摔伤虽不致命，但由于被发现过晚，最终不幸辞世。</p><center style="color: rgb(51, 51, 51); font-family: Verdana, Arial, 微软雅黑, 宋体; font-size: 14px; line-height: normal; white-space: normal; background-color: rgb(255, 255, 255);"><img src="http://mmbiz.qpic.cn/mmbiz_jpg/A1DicCH9Vl6Mn5WmG74P6ibyVV2mRibq7xiarxIBiaTaNicgSNUphd0PI3k6mApqKYRz4JbicAoalpBWHa2dI3aFRrERA/0?wx_fmt=jpeg" width="538" height="402" style="border: 0px; max-width: 596px;" class="" data-type="jpeg" data-ratio="0.7472118959107806" data-w="538"  /></center><p style="padding-top: 12px; padding-bottom: 12px; border: 0px; font-size: 16px; line-height: 30px; color: rgb(51, 51, 51); font-family: Verdana, Arial, 微软雅黑, 宋体; white-space: normal; background-color: rgb(255, 255, 255);">　　4.&nbsp;<strong>球管是CT机中最昂贵的“耗材”，和CT扫描成本息息相关</strong>。球管有点像相机的“快门”，曝光次数都有上限。一般来说，球管的额定曝光次数在30万秒左右。对医院来说，当然希望球管能超越额定曝光，越长寿越好。这就是传说中的球管。</p><center style="color: rgb(51, 51, 51); font-family: Verdana, Arial, 微软雅黑, 宋体; font-size: 14px; line-height: normal; white-space: normal; background-color: rgb(255, 255, 255);"><img src="http://mmbiz.qpic.cn/mmbiz_jpg/A1DicCH9Vl6Mn5WmG74P6ibyVV2mRibq7xiab08Ro2wchd0icIkv3f3w4YX2HulVx629YibW495XdbJJGiacGtH3yVpww/0?wx_fmt=jpeg" width="534" height="389" style="border: 0px; max-width: 596px;" class="" data-type="jpeg" data-ratio="0.7284644194756554" data-w="534"  /></center><p style="padding-top: 12px; padding-bottom: 12px; border: 0px; font-size: 16px; line-height: 30px; color: rgb(51, 51, 51); font-family: Verdana, Arial, 微软雅黑, 宋体; white-space: normal; background-color: rgb(255, 255, 255);">　　5.&nbsp;<a class="contentlabel" style="outline-style: none; color: rgb(51, 51, 51);"><em>西门子</em></a>有个“百万秒球管俱乐部”，只有突破自我的CT机球管才能入会。要知道，<strong>球管曝光100万秒的概念相当于一台CT机连续3年24小时不停机，寿命延长2倍以上</strong>。虽然挑战多多，但这家俱乐部成员现已过百，在中国已有超过100家医院成为<a class="contentlabel" style="outline-style: none; color: rgb(51, 51, 51);"><em>西门子</em></a>“100万秒球管”用户!</p><p style="padding-top: 12px; padding-bottom: 12px; border: 0px; font-size: 16px; line-height: 30px; color: rgb(51, 51, 51); font-family: Verdana, Arial, 微软雅黑, 宋体; white-space: normal; background-color: rgb(255, 255, 255);">　　</p><center style="color: rgb(51, 51, 51); font-family: Verdana, Arial, 微软雅黑, 宋体; font-size: 14px; line-height: normal; white-space: normal; background-color: rgb(255, 255, 255);"><img src="http://mmbiz.qpic.cn/mmbiz_jpg/A1DicCH9Vl6Mn5WmG74P6ibyVV2mRibq7xiacuzJ0h0TBsEiauNo8MypK3T2vYriaaXx0d3pnic0se1eKqbzichNmpFDPQ/0?wx_fmt=jpeg" width="533" height="410" style="border: 0px; max-width: 596px;" class="" data-type="jpeg" data-ratio="0.7692307692307693" data-w="533"  /></center><p style="padding-top: 12px; padding-bottom: 12px; border: 0px; font-size: 16px; line-height: 30px; color: rgb(51, 51, 51); font-family: Verdana, Arial, 微软雅黑, 宋体; white-space: normal; background-color: rgb(255, 255, 255);">　　6.&nbsp;史上曝光秒数最多的西门子球管位于黑龙江肇东市一医院，曝光超325万秒，连续三年未更换球管并正常运转至今。武汉黄陂区人民医院则是拥有西门子“高寿”球管最多的医院，第一支球管曝光190万秒，第二支136万秒，第三支又超过百万秒。必须说，只要用心就能创造奇迹。</p><center style="color: rgb(51, 51, 51); font-family: Verdana, Arial, 微软雅黑, 宋体; font-size: 14px; line-height: normal; white-space: normal; background-color: rgb(255, 255, 255);"><img src="http://mmbiz.qpic.cn/mmbiz_jpg/A1DicCH9Vl6Mn5WmG74P6ibyVV2mRibq7xiaTCQCCAm2ztyJ8Dmwn1mP732sRmicURAEScTqgAUYYstSibiaxsx0TgJJw/0?wx_fmt=jpeg" width="404" height="403" style="border: 0px; max-width: 596px;" class="" data-type="jpeg" data-ratio="0.9975247524752475" data-w="404"  /></center><p style="padding-top: 12px; padding-bottom: 12px; border: 0px; font-size: 16px; line-height: 30px; color: rgb(51, 51, 51); font-family: Verdana, Arial, 微软雅黑, 宋体; white-space: normal; background-color: rgb(255, 255, 255);">　　7.&nbsp;CT机的大孔径是几代研发人员不断尝试、优化才具备今天的“广度”。看看西门子最早期的CT机，仅能容纳下一个脑袋，扫描一次5分钟。忆苦思甜，再想想今天，有没有觉得科技让人变幸福?</p><center style="color: rgb(51, 51, 51); font-family: Verdana, Arial, 微软雅黑, 宋体; font-size: 14px; line-height: normal; white-space: normal; background-color: rgb(255, 255, 255);"><img src="http://mmbiz.qpic.cn/mmbiz_jpg/A1DicCH9Vl6Mn5WmG74P6ibyVV2mRibq7xiapyEbDlI4g3ucnKBOqJtJibCKCeMY3q8ZyVvNBUO1gicZSnXrtDdzhCOQ/0?wx_fmt=jpeg" width="403" height="441" style="border: 0px; max-width: 596px;" class="" data-type="jpeg" data-ratio="1.0942928039702233" data-w="403"  /></center><p style="padding-top: 12px; padding-bottom: 12px; border: 0px; font-size: 16px; line-height: 30px; color: rgb(51, 51, 51); font-family: Verdana, Arial, 微软雅黑, 宋体; white-space: normal; background-color: rgb(255, 255, 255);">　　8.&nbsp;<strong>无论多少“层”、多少“排”，CT机的终极目标就是速度快、剂量低、图像好</strong>。比如西门子即将在中国发布的Edge光子能谱CT，它的特点就是：能在最快的速度下获得高清图像，以极低的辐射剂量进行成像。目前，普通CT进行一次传统的肺部扫描大概需要3-4mSv(毫西韦特)的剂量，Edge光子能谱CT仅需1/8左右的剂量就能完成任务。给个参考值：人每年遭受的自然环境辐射约为3mSv。</p><center style="color: rgb(51, 51, 51); font-family: Verdana, Arial, 微软雅黑, 宋体; font-size: 14px; line-height: normal; white-space: normal; background-color: rgb(255, 255, 255);"><img src="http://mmbiz.qpic.cn/mmbiz_jpg/A1DicCH9Vl6Mn5WmG74P6ibyVV2mRibq7xiahkKAdqicKuGl4toPeL4LHy6TLr6hXKMpOX1E1DBdV9OoqgtTI0QRECA/0?wx_fmt=jpeg" width="538" height="386" style="border: 0px; max-width: 596px;" class="" data-type="jpeg" data-ratio="0.7174721189591078" data-w="538"  /></center><p><span class="vote_area"><iframe src="https://mp.weixin.qq.com/cgi-bin/readtemplate?t=vote/vote-new_tmpl&__biz=MjM5MjMyMTY4NQ==&supervoteid=446033082&token=2137503482&lang=zh_CN&auto=0" width="100%" height="580" frameborder="0"></iframe><span class="vote_box skin_help po_left"></span><span class="vote_box skin_help po_right"></span></span></p><section class="pEditor " style="white-space: normal; line-height: 28.4444px;"><section class="" style="border: 0px none;"><section class="pEditor"><section class="pEditor " style="line-height: 25.6px;"><section data-css="background-color: rgb(239, 239, 239);border-radius: 5px;border: 1px solid rgb(153, 153, 152);margin: 0px;padding: 5px" style="padding: 5px; border-radius: 5px; border: 1px solid rgb(131, 147, 209); text-align: center; background-color: rgb(239, 239, 239);"><section data-css="color: inherit;display: inline-block;margin: 1px" style="margin: 1px; color: inherit; display: inline-block;"><span style="padding: 2px 10px; border-color: rgb(204, 204, 204); border-radius: 2px; color: rgb(1, 1, 3); font-weight: bold; font-size: 18px; background-color: rgb(109, 205, 25);">推荐阅读</span></section><section data-css="color: inherit;margin: 0px;padding: 10px" style="padding: 10px; color: inherit;"><p style="line-height: 1.75em; text-align: left;"></p><ol class=" list-paddingleft-2" style="list-style-type: lower-alpha;"><li><p style="line-height: 1.75em; text-align: left;">各种CT球管介绍<br  /></p></li><li><p style="line-height: 1.75em; text-align: left;">CT 、MR 、DSA 、PET 维修商一览表（部分）<br  /></p></li><li><p style="line-height: 1.75em; text-align: left;">如果我老公是做医疗器械的（疯传医疗圈）<br  /></p></li><li><p style="line-height: 1.75em; text-align: left;">如果你有一个做医疗设备维修的朋友<br  /></p></li><li><p style="line-height: 1.75em; text-align: left;">医院设备整体托管的新模式<br  /></p></li><li><p style="line-height: 1.75em; text-align: left;">12月10日“中国医疗器械工程师协会（北京站）”邀请函<br  /></p></li></ol></section></section></section><section class="pEditor " style="line-height: 25.6px;"><section style="border: 0px; max-width: 100%; font-size: 16.3636px; text-align: center; word-wrap: break-word !important; box-sizing: border-box !important;"><section style="max-width: 100%; display: inline-block; word-wrap: break-word !important; box-sizing: border-box !important;"><section style="max-width: 100%; display: inline-block; word-wrap: break-word !important; box-sizing: border-box !important;"><p style="max-width: 100%; word-wrap: normal; min-height: 1em; box-sizing: border-box !important;"><strong style="max-width: 100%; text-transform: uppercase; box-sizing: border-box !important; word-wrap: break-word !important;"><br  /></strong></p><p style="max-width: 100%; word-wrap: normal; min-height: 1em; box-sizing: border-box !important;"><strong style="max-width: 100%; text-transform: uppercase; box-sizing: border-box !important; word-wrap: break-word !important;">·END·</strong><br style="max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important;"  /></p><p style="max-width: 100%; word-wrap: normal; min-height: 1em; box-sizing: border-box !important;"><strong style="max-width: 100%; text-transform: uppercase; box-sizing: border-box !important; word-wrap: break-word !important;"><br  /></strong></p></section><section class="gulangutitle" style="margin: 0em 0.5em 0.1em; max-width: 100%; color: rgb(16, 146, 113); font-size: 1.8em; line-height: 1; font-weight: inherit; word-wrap: break-word !important; box-sizing: border-box !important;"><p><span style="font-size: 20px;"><strong class="pBrush" style="padding-right: 50px; padding-bottom: 3px; padding-left: 50px; border-bottom-style: solid; border-bottom-width: 1px; border-color: rgb(2, 2, 2); display: block; line-height: 28px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"></strong></span></p></section><section class="pbrush" style="margin: 0.5em 1em; max-width: 100%; font-size: 1em; line-height: 1; font-weight: inherit; text-align: inherit; text-decoration: inherit; color: rgb(120, 124, 129); word-wrap: break-word !important; box-sizing: border-box !important;"><p><span style="font-size: 14px;"><strong><span class="pBrush" style="max-width: 100%; color: rgb(131, 104, 28); font-family: Avenir, sans-serif; line-height: 28px; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="max-width: 100%;">ID:&nbsp;</span><span style="max-width: 100%;"></span></span></strong><strong><span class="pBrush" style="max-width: 100%; color: rgb(131, 104, 28); font-family: Avenir, sans-serif; line-height: 28px; box-sizing: border-box !important; word-wrap: break-word !important;"></span></strong></span></p><p><span style="font-size: 14px;"><strong><span class="pBrush" style="max-width: 100%; color: rgb(131, 104, 28); font-family: Avenir, sans-serif; line-height: 28px; box-sizing: border-box !important; word-wrap: break-word !important;">大家都在关注的医疗器械维修新媒体平台</span></strong></span></p><p><strong style="color: rgb(131, 104, 28); font-family: Avenir, sans-serif; font-size: 16px; line-height: 28px;"><span style="color: rgb(127, 127, 127); font-size: 12px;"><img data-s="300,640" data-type="jpeg" src="http://mmbiz.qpic.cn/mmbiz/A1DicCH9Vl6MoypciaNOibiaxmVLk8eA6ibKL14uWjKsZwrWboQYKTfXqPicXycwL1icfia1pAG0VzlTX3MRR4FPV0ZtZA/0?wx_fmt=jpeg" data-ratio="1.0136054421768708" data-w="147" class="" style="float: none;"  /></span></strong></p></section></section></section></section></section></section></section><section class="pEditor" style="white-space: normal; box-sizing: border-box; word-break: break-all; word-wrap: break-word; max-width: 100%; font-family: &#39;Helvetica Neue&#39;, Helvetica, &#39;Microsoft YaHei&#39;, Arial, sans-serif; font-size: 14px; line-height: 22.4px;"><section style="margin-top: 10px; margin-right: auto; margin-left: auto; padding: 5px 10px; box-sizing: border-box; word-break: break-all; word-wrap: break-word; max-width: 100%; border-radius: 0.3em; border: 1px solid rgb(204, 204, 204); color: rgb(51, 51, 51); text-align: center; background-color: rgb(238, 238, 238);"><span style="font-size: 16px;"><strong>点击下方 “<span style="box-sizing: border-box; word-break: break-all; word-wrap: break-word; max-width: 100%; color: rgb(0, 112, 192);">阅读原文</span>” 加入&nbsp;<span style="color: rgb(0, 82, 255);">中国医疗器械行业通讯录</span>&nbsp;</strong></span></section></section>