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As one of the most important physiological parameters, blood pressure is also an indispensable monitoring parameter on the monitor. Currently, the monitor is generally equipped with two modules: Invasive Blood Pressure (IBP) and Non-invasive Blood Pressure (NIBP). Invasive blood pressure (IBP) measurement principle is simple, mainly depends on the sensitivity and linearity of the pressure sensor on the blood pressure probe. Non-invasive blood pressure (NIBP) also uses the oscillometric method based measurement principle, but the deflation measurement uses stepped deflation instead of uniform deflation. This method greatly improves the ability to resist motion interference and adapts to the needs of monitoring in various occasions. Due to the ease of use of the electronic sphygmomanometer, most of the developed countries such as Europe have eliminated the sphygmomanometer of the mercury column, and the electronic sphygmomanometer certified by the international standard has also been issued a notice to eliminate the mercury sphygmomanometer.
One task of future sphygmomanometer development is to further improve accuracy. Accuracy evaluation Currently, auscultation measurement results are generally used as the gold standard, and some research institutions are making efforts to replace the auscultation method with invasive blood pressure (IBP) measurements as the evaluation standard. The anti-sporting ability of non-invasive blood pressure (NIBP) also needs to be further improved. The above mentioned methods are all based on the established oscillometric method, using a cuff to charge and deflate to complete a measurement process, and continuous measurement of blood pressure per bolus cannot be achieved. Since continuous real-time monitoring of blood pressure has a very important clinical value, finding a new method for achieving non-invasive and real-time continuous measurement of arterial blood pressure is a fundamental problem that needs to be broken. Penaz proposes a continuous measurement of finger arterial pressure (Finapres) based on pressure fingertips and photoelectric volume description, and develops the corresponding products Finometer and portapress for up to several hours. The method can track the relative changes of arterial blood pressure, but the absolute value of blood pressure measurement is inaccurate, and the price is expensive, and the use is inconvenient. It is mainly used in scientific research and has less clinical application. Other researchers have tried to find blood pressure-related features from other physiological parameters that are easily measured continuously to predict changes in blood pressure, such as using pulse wave transit time to estimate blood pressure. The relative relationship between physiological parameters has a great impact on various factors. Sensitive, it is extremely difficult to calibrate and predict. At present, the accuracy of such methods cannot meet the clinical requirements. The technical difficulty of non-invasive real-time continuous measurement that breaks through blood pressure will promote the advancement of clinical medicine and is therefore a current research hotspot. Zhejiang Shanshi Medical introduced the flat tension method to achieve non-invasive real-time continuous measurement of blood pressure changes to overcome this technical difficulty, won the international medical device innovation award, currently only continuous, real-time monitoring of blood pressure in the anesthesia operating room is invasive, like the brain Electrograms, electrocardiograms, blood oxygen saturation, etc. are non-invasive, and this product is one of the most advanced medical technology patents in the world. Before and after the US TENSYS company was repeatedly invested by a number of investment companies, after 18 years of painstaking efforts costing more than 100 million US dollars, finally received the FDA registration certification in December 2012. Zhejiang Shanshi Medical received the registration approval letter from the China Food and Drug Administration in August 2013. It can be said that it has been listed on the same stage and has been clinically verified.
Good Time Medical Non-invasive Real-Time Blood Pressure Monitoring System: Avoids invasive shortcomings such as pseudo-hemangioma, hematoma, thrombosis, permanent ischemia leading to acromion and infection, and solves the problem of traditional non-invasive sphygmomanometer monitoring blood pressure Consecutive shortcomings reduce medical risks while reducing patient suffering and reduce the labor intensity of medical staff. The further development of this product is the monitoring of non-invasive real-time cardiac output, which can create a history of hemodynamics and make a great contribution to the benefit of mankind! The heart floating catheter, which used to measure the risk of cardiac palsy, will be replaced. From invasive to minimally invasive, from minimally invasive to non-invasive, this is an inevitable course of medical development. The technology product has been certified by the European Union and will be introduced to the Chinese market in the future. Continue to develop the main reference standard for guiding patients to take drugs. It is unscientific to take high-pressure drugs regularly. Because of the changes in blood pressure caused by rest and diet and mood fluctuations, this technique can also indirectly monitor the blood pressure of hypertension drugs. The real-time changes in the impact, this message will be transmitted to the guardian's mobile phone in time to remind the best medication time and guide the doctor to adjust the dose! The product has gone from medical to thousands of households, wearing medical devices, is an essential monitor for patients with hypertension, and is the main real-time parameter for heart patients! Information feedback on myocardial infarction and angina pectoris was monitored!