现在压力传感器应用范围非常的广泛，它不仅应用在工业上，而且广泛应用在医学上。下面就来简单介绍一下医用压力传感器。
    医用压力传感器是选用医用级聚氯乙烯、聚碳酸脂作为传感器的测压连接管和主体的材料。它的包装规格有CH-DPT-248、CH-DPT-248Ⅱ、CH-DPT-248Ⅲ三种。
它一般适用于检测对人体有中心静脉压、创血压如动脉压、左冠状动脉压、肺动脉压等等的压力，它可以直接获得血压这个生理参数，能够为临床的时候对疾病的诊断、治疗还有预后估计提供非常客观的依据。
    下面介绍一下医用压力传感器调零校准的知识。
1、最好把传感器和它的三通阀放在腋中线的水平面上，三通的作用就是用来通气还有给传感器调零的；
2、要确认好三通阀上面的是有孔保护帽，而且要把监护仪和传感器连接在一起，接着按照监护仪的说明书里面的内容，在大气的条件下，把传感器调零；
3、在监护仪调零之后，要把空气连接口和三通阀关闭掉，接着把有孔保护帽换上无孔的保护帽；
4、需要使用方波来检测系统的动力这个反应，而且动力反应检测的实施应该是在管路冲洗完、气泡排完之后，并且与病患者连接起来，还有调零校准等等的操作完成之后。
5、 当系统已经调零和校准都正常完成之后，就可以按照所需要的操作给病患者进行动态的检测了。
    那么，医用压力传感器又是如何安装的呢？它的安装主要分为六个步骤。
第一、在连接压力传感器系统之前要打开监护仪；
第二、需要通过消毒的措施来打开包装，确保它所有的接口都是安全的密封的还有三通阀这些辅件的工作状态都是良好的；
在这个安装步骤中需要注意的是：在连接接头的时候，千万不要把它拧得太紧了。
第三、旋塞阀的全部通口都应该要盖住有孔的保护帽，一直到传感器系统里面装满了肝素生理盐水的溶液以及把气泡全部排完后，这才可以把有孔的保护帽换成没有孔的保护帽；
第四、把传感器跟监护仪连接起来，然后按照监护仪的说明书把监护仪调零；
在这个安装步骤中需要注意以下两点：1、在安装DPT-248Ⅱ、CH-DPT-248Ⅲ这两款传感器的时候，要使用颜色编码鉴别血压的类型：蓝色的时候是中心静脉压；绿色的时候是左冠状动脉压；黄色的时候是肺动脉压；红色的时候是动脉压；而白色的时候是其他压力；2、如果没有办法调零的话，就要更换传感器，然后重新进行调零；如果调零没有成功的话，那就需要检查以下监护仪、电缆连线等是不是正常的。
第五、在使用肝素生理盐水洗涤管路的时候，要同时把管路里的空气排掉。
在这个安装步骤中需要注意的是：管路里一定不可以带有残留的气泡。
第六、等到全部管路里都充满了肝素生理盐水之后呢，就要把传感器系统跟人体连接起来。
    随着社会医疗的发展，医用压力传感器在医学上的使用会越来越广泛的，而且对它的技术的研究也会越来越完善的。

Pressure sensors are now wide range of applications, it is not only used in industry, but also widely used in medicine. Here's a brief medical pressure sensors.
    Medical selection of medical grade pressure sensor is PVC, polycarbonate sensor manometry as a connecting pipe and the main material. It's packaging specifications CH-DPT-248, CH-DPT-248 Ⅱ, CH-DPT-248 Ⅲ three.
It generally applies to the detection of the human body have central venous pressure, invasive blood pressure, such as arterial pressure, left coronary artery pressure, pulmonary artery pressure, and so the pressure, it can be the physiological parameters of blood pressure, time to clinical diagnosis of disease, treatment There prognosis provide very objective basis.
    Here's what the pressure sensor zero calibration of medical knowledge.
1, the sensor and its best three-way valve on the axillary line of the horizontal plane, three-way function is used for ventilation, there is zero of the sensor;
2, a good three-way valve to be sure there is a hole above the protective cap, and should monitor and sensors, connected together, then follow the instructions which monitors the content of the atmosphere conditions, the sensor zero;
3, the monitor zero, the necessary air connections and the three-way valve shut off, then put a hole in the protective cap put on non-porous protective cap;
4, need to use the square-wave power to detect this reaction system, and the implementation of the dynamic response testing should be completed in the pipeline flush, drained after the bubble, and connect with patients, there is zero calibration is complete, etc. after.
5, when the system is zero and calibration are done properly, you can follow the action required to give patients a dynamic test.
    So, medical pressure sensor is how to install it? Its installation is divided into six steps.
First, the connection to open before the pressure sensor system monitor;
Second, the need to open the sterile package of measures to ensure the safety of all its interfaces are also three-way valve seal of the working status of these accessories are good;
In this installation step is to note: when the connector, do not tighten it too tight.
Third, plug all openings should be covered with protective cap hole, the sensor system has been filled with heparin saline solution and the bubble after all the rows, this can put a hole in the protective caps replace the protective cap without holes;
Fourth, the sensor with the monitor connected, and then follow the instructions to monitor the monitor zero;
In this installation steps need to pay attention to the following two points: 1, install the DPT-248 Ⅱ, CH-DPT-248 Ⅲ these two sensors when using color-coded to identify the type of blood pressure: when the blue is central venous pressure; green when the left coronary artery pressure; yellow when the pulmonary artery pressure; red when the arterial pressure; and white when the other pressure; 2, if there is no way to zero, then we would replace the sensor, and then re-zero; If zero is not successful, then it would need to check the following monitors, cables, connections, etc. is not normal.
Fifth, the use of heparin saline wash pipe when the pipe to the air while the drain.
In this installation steps that need attention are: pipe with residue inside the bubble must not.
Sixth, until all the pipes are filled with heparin in saline after that, it is imperative to connect the sensor system with the human body.
    With the development of social health, medical pressure sensors used in medicine will be more extensive, and its technology research will be more perfect.