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一滴血可测癌存在误读 专家:夸大其词误导百姓

2017-05-02 05:16:07   

延伸阅读:中国这一创举震撼全球:可用超声波迅速消融肿瘤

央视财经(《经济半小时》)在自然界中,蝙蝠可以利用一种特殊的声波在黑暗中飞行并捕捉食物。由于这种声波的频率超出了人耳听觉频率识别的范围,因而人们把这种听不见的声波就叫做超声波。超声波可以应用在医学上,我们经常使用的B超就是利用了超声波的原理。除了传统的B超,眼下,随着科技的进步,超声波已经可以用于治疗肿瘤、癌症等疾病。

中国这一创举震撼全球!用超声波消灭肿瘤,已有数千人获救!

6厘米肿瘤45分钟消融不见癌症治疗有了新方法

重庆海扶医疗科技股份有限公司董事长王智彪:我们把太阳光线聚焦200倍就可以把纸烧起来,所以太阳我们照照可以,但是聚焦以后可以烧饭,这个也一样,我们把它聚焦以后,聚焦三千倍比太阳镜聚焦要厉害多了。

王智彪是超声医疗国家工程研究中心主任,也是重庆海扶医疗科技股份有限公司董事长。当着央视财经《经济半小时》记者的面,王智彪演示起超声波聚焦产生的威力。在黄色的球面部分,每一个点都在发出能量较低的超声波,这些超声波在一个精确的点聚焦,就产生了3000倍以上的能量。

王智彪把把一块有机玻璃放在焦点的水面处,短短两三秒时间就打碎,温度高得烫手。而在焦点以外的区域,超声波的剂量则是在安全范围,记者把手放在水面以下,几乎没有任何感觉。

把这样的超声聚焦现象应用到医学上,应用到为人治病上,会有什么样的效果?这个问题,王智彪已经思考了29年,实践了29年。王智彪和团队的这项发明,先后获得了国家技术发明二等奖;国家科技进步二等奖,这也是国产医疗器械行业迄今为止获得过的最高的科技奖项。

王智彪:你可以看到,当温度、当能量足够高的时候,它转化成温度,立马就把那个高温区域里面的肿瘤细胞杀死。

高强度聚焦超声技术的英文缩写为HIFU,也常常被称作海扶。利用聚焦超声的原理,可以实现穿过人体,不造成损伤,并对体内需要进行手术的部位直接进行消融。

王智彪:那我们可以看到那个白点,它跟周围的非白点之间边界很清晰,说明什么呢?说明它这个热的释放、能量的释放非常的陡峭,就像刀一样,所以我们俗名也叫海扶刀;传统的我们看开口子的,一刺就可以见血的,那以后我们过渡到用腔镜,打三个洞,把那些器械伸到肚子里面,这也叫做开刀,这叫做腔镜开刀。那现在到未来,今后体外到体内开刀,就是我们叫聚焦超声手术。

在“焦点”区形成足够的强度,达到60℃以上的瞬间高温,导致目标区域的组织凝固性坏死,坏死组织在体内可逐渐被吸收或变成瘢痕。隔山打牛这个看似不可能的事情已经成为了现实。

在重庆医科大学附属第一医院海扶医院,我们见到了一位即将接受海扶手术的子宫肌瘤患者。与传统的手术室不同,这里的医护人员们并不需要层层消毒才能进入手术室,手术室内也不需要无菌环境;病人并没有进行全身麻醉,只是注射了一些镇定剂,还可以与医生交流。在这里,我们看不到手术刀和止血钳,看不到止血的纱布和棉花,医生手中的鼠标,就是正在患者体内做手术的手术刀。

重庆海扶医院HIFU高级医师邓勇斌:我们通过鼠标控制我们的运动系统,来控制这个焦点在子宫肌瘤的不同位置移动,把这个肌瘤一点一点的消融掉。

屏幕上的红点,就是正在体内实施手术的的超声波聚焦点。在屏幕上我们看到了实时的超声监控。

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