China's medical device market is growing at a rate of 15% each year, but domestically produced devices still have a greater degree of comparison with European and American products in high-end markets such as imaging diagnostic equipment, clinical monitoring equipment, laser instruments, cardiovascular surgical products, and catheter equipment. gap. While domestic companies attach importance to independent technological innovation, they have, on the one hand, adopted acquisitions and cooperation, introduced advanced foreign technologies, selected world-class components, and improved product quality, striving to enter the high-end market.
High-end medical devices also place higher requirements on the accuracy, stability, reliability, and functional size of medical sensors.
Minimally invasive catheter and ablation procedure
Modern minimally invasive surgery has greatly reduced the trauma of surgical patients, relieved their pain, and accelerated their recovery process. To achieve this goal and dream, in addition to surgical experience and monitoring equipment, it is more important to miniaturize various interventional medical devices. Among them are various catheters and ablation devices.
At present, according to the function of the catheter, there are mainly thermodilution catheters, esophageal catheters, urethral catheters, central venous catheters, and intracranial pressure catheters. According to the actual application, on the basis of the original catheter device, it is necessary to install the appropriate temperature or The pressure sensor provides important index parameters for the patient's pathological examination and minimally invasive surgery.
The radio frequency refers to the radio frequency, and the main effect is the thermal effect in the face of organisms. When the frequency of the RF current is high (>100 kHz), the charged ion movement in the tissue, that is, frictional heat generation (60-100°C) occurs. Radiofrequency ablation equipment commonly used frequency 200 ~ 500kHz, output power 100 ~ 400W. Common applications include intrauterine ablation, intracardiac ablation, and tumor ablation. Their main principle is to heat the lesions of the affected area or tumor cells by radiofrequency heating, and finally kill the abnormal tissues to achieve the ultimate therapeutic purpose.
The above-mentioned catheters and radiofrequency ablation minimally invasive surgery have the characteristics of small wounds and no direct observation, but the temperature and pressure parameters are the key parameters for its successful operation. Therefore, the temperature sensors and pressure sensors installed on the front thereof are more demanding: Small, but with high accuracy and reliability Compared to traditional mercury glass thermometers, electronic thermometers have the advantages of being free of mercury, easy reading, short measurement time, high measurement accuracy, and memory, while clinical fast electronic thermometers are A high-end product in a thermometer.
Rapid response electronic thermometer generally consists of a temperature probe, signal processing unit, display screen, and power supply. The signal processing unit has a heating algorithm and a prediction algorithm. The heating algorithm makes the temperature probe close to the human body temperature and shorten the temperature rise time; the prediction algorithm starts running after the probe and the human body come into contact, and uses the rising temperature trend to predict the final body temperature of the human body. In the best case, such thermometers can produce results in 4 seconds, which is much faster than that of ordinary electronic thermometers. The schematic diagram of the temperature measurement process is shown in Figure 2.
A key component of a rapid-reaction electronic thermometer is a temperature probe. In order to measure body temperature quickly and accurately, the temperature probe needs to use one or more high-accuracy fast-response thermistors. GE's SC30 thermistor is very suitable for such applications. At the same time, GE Sensing and Testing provides more customized probes for customers to implement a variety of well-designed probe solutions.
Medical and Sleep Respiratory Monitoring System
Respiratory monitoring systems are indispensable medical devices when performing medical procedures or treating sleep-disordered breathing disorders. It can replace, control or change people's normal physiological breathing, increase lung ventilation, improve respiratory function, reduce the power consumption of breathing, and save the ability of heart reserve; it has the effect of saving lives, treating respiratory diseases and improving the quality of life.
High-end medical devices also place higher requirements on the accuracy, stability, reliability, and functional size of medical sensors.
Minimally invasive catheter and ablation procedure
Modern minimally invasive surgery has greatly reduced the trauma of surgical patients, relieved their pain, and accelerated their recovery process. To achieve this goal and dream, in addition to surgical experience and monitoring equipment, it is more important to miniaturize various interventional medical devices. Among them are various catheters and ablation devices.
At present, according to the function of the catheter, there are mainly thermodilution catheters, esophageal catheters, urethral catheters, central venous catheters, and intracranial pressure catheters. According to the actual application, on the basis of the original catheter device, it is necessary to install the appropriate temperature or The pressure sensor provides important index parameters for the patient's pathological examination and minimally invasive surgery.
The radio frequency refers to the radio frequency, and the main effect is the thermal effect in the face of organisms. When the frequency of the RF current is high (>100 kHz), the charged ion movement in the tissue, that is, frictional heat generation (60-100°C) occurs. Radiofrequency ablation equipment commonly used frequency 200 ~ 500kHz, output power 100 ~ 400W. Common applications include intrauterine ablation, intracardiac ablation, and tumor ablation. Their main principle is to heat the lesions of the affected area or tumor cells by radiofrequency heating, and finally kill the abnormal tissues to achieve the ultimate therapeutic purpose.
The above-mentioned catheters and radiofrequency ablation minimally invasive surgery have the characteristics of small wounds and no direct observation, but the temperature and pressure parameters are the key parameters for its successful operation. Therefore, the temperature sensors and pressure sensors installed on the front thereof are more demanding: Small, but with high accuracy and reliability Compared to traditional mercury glass thermometers, electronic thermometers have the advantages of being free of mercury, easy reading, short measurement time, high measurement accuracy, and memory, while clinical fast electronic thermometers are A high-end product in a thermometer.
Rapid response electronic thermometer generally consists of a temperature probe, signal processing unit, display screen, and power supply. The signal processing unit has a heating algorithm and a prediction algorithm. The heating algorithm makes the temperature probe close to the human body temperature and shorten the temperature rise time; the prediction algorithm starts running after the probe and the human body come into contact, and uses the rising temperature trend to predict the final body temperature of the human body. In the best case, such thermometers can produce results in 4 seconds, which is much faster than that of ordinary electronic thermometers. The schematic diagram of the temperature measurement process is shown in Figure 2.
A key component of a rapid-reaction electronic thermometer is a temperature probe. In order to measure body temperature quickly and accurately, the temperature probe needs to use one or more high-accuracy fast-response thermistors. GE's SC30 thermistor is very suitable for such applications. At the same time, GE Sensing and Testing provides more customized probes for customers to implement a variety of well-designed probe solutions.
Medical and Sleep Respiratory Monitoring System
Respiratory monitoring systems are indispensable medical devices when performing medical procedures or treating sleep-disordered breathing disorders. It can replace, control or change people's normal physiological breathing, increase lung ventilation, improve respiratory function, reduce the power consumption of breathing, and save the ability of heart reserve; it has the effect of saving lives, treating respiratory diseases and improving the quality of life.
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Hunan Kangfutai Medical Devices Co., Ltd. , https://www.3kfut.com