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Disposable Spo2 Sensor

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About Us
China Shenzhen Pray-med Technology Co.,Ltd
Shenzhen Pray-med Technology Co.,Ltd
Shenzhen pray-med technology co.,ltd is a professional manufacturer of medical accessories for patient monitor nearly 10 years
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Trust Seal, Credit Check, RoSH and Supplier Capability Assessment. company has strictly quality control system and professional test lab.
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Internal professional design team and advanced machinery workshop. We can cooperate to develop the products you need.
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Advanced automatic machines, strictly process control system. We can manufacture all the Electrical terminals beyond your demand.
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Bulk and customized small packaging, FOB, CIF, DDU and DDP. Let us help you find the best solution for all your concerns.
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Latest company news about Effect of arm position on blood pressure measurement
2025-05-16

Effect of arm position on blood pressure measurement

Common arm positioning during blood pressure (BP) screenings may significantly overestimate BP measurements, leading to misdiagnosis of hypertension, according to a study led by Johns Hopkins Medicine researchers.   The study was published Oct. 7 in the journal JAMA Internal Medicine. The researchers analyzed the effects of three different arm positionings on BP measurements: with the arm on a table, supported in the lap, and hanging unsupported at the side of the body. The study found that systolic blood pressure (the upper limit of BP readings) was overestimated by an average of nearly 4 mmHg when the arm was in the lap, and by nearly 7 mmHg when the arm was hanging unsupported.     Importance of arm position for blood pressure measurement   "Arm position has an important impact on the accuracy of blood pressure measurement," said Dr. Tammy Brady, senior author of the study and associate director of clinical research in pediatrics at the Johns Hopkins University School of Medicine. The study further emphasizes the need to follow clinical guidelines, that is, to ensure that the arm is firmly supported when measuring blood pressure, such as on a table or other stable surface.   According to the American Heart Association (AHA), nearly half of adults in the United States have high blood pressure, that is, systolic blood pressure (upper limit) ≥ 130 mmHg or diastolic blood pressure (lower limit) ≥ 80 mmHg. If high blood pressure is not effectively controlled, it will greatly increase the risk of cardiovascular diseases such as stroke and heart attack. Because high blood pressure usually has no obvious symptoms, early screening and frequent monitoring during routine physical examinations are important means of managing high blood pressure. In most cases, blood pressure levels can be effectively controlled through lifestyle adjustments (such as weight loss, healthy diet, exercise) and drug treatment.       Research methods and key findings The latest AHA clinical practice guidelines emphasize that accurate blood pressure measurement requires the following requirements: choose the right blood pressure cuff size, ensure that the back is supported, feet flat on the ground and legs are not crossed, and the arm should be placed on a table or desk so that the midpoint of the cuff is at the same level as the heart.   Despite the clear recommendations, researchers pointed out that there are still many irregularities in clinical practice. For example, many patients sit on the examination bed during the examination, their arms lack support, or their arms are supported by medical staff or patients themselves. In this study, researchers randomly recruited 133 adults aged 18 to 80 years to participate in the test between August 9, 2022 and June 1, 2023, of whom 78% were black and 52% were women.   Participants were randomly assigned to six different test groups to test the effects of different arm positions on blood pressure measurement. All measurements were performed in a quiet and private environment, and subjects were asked to avoid talking to researchers or using mobile phones.   The study found that compared with the standard desktop support, the common clinical method of measuring blood pressure with the arm on the leg or hanging on the side of the body will result in significantly higher blood pressure values. Specifically, the systolic blood pressure measured with the arm on the leg is 3.9 mmHg higher than the standard measurement value, and the diastolic blood pressure is 4.0 mmHg higher; when the arm is suspended without support, the systolic blood pressure is 6.5 mmHg higher and the diastolic blood pressure is 4.4 mmHg higher.     Impact of overestimating blood pressure and clinical recommendations "If blood pressure is not measured correctly, each systolic blood pressure measurement will be 6.5 mmHg higher, which means that a person's systolic blood pressure may change from 123 mmHg to 130 mmHg, or from 133 mmHg to 140 mmHg - and above 140 mmHg is considered stage 2 hypertension," explained Sherry Liu, one of the study authors and coordinator of epidemiological research at the Johns Hopkins Bloomberg School of Public Health.   Dr. Brady said the findings highlight that clinicians should pay more attention to measurement standards, and patients should also actively ask to follow the best measurement methods when measuring in medical settings or at home.
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Latest company news about “Use And Throw ”EEG Monitoring: Disposable EEG Sensors
2025-04-30

“Use And Throw ”EEG Monitoring: Disposable EEG Sensors

Electroencephalogram (EEG) is an important tool for evaluating nervous system function by recording brain electrical activity. It is widely used in clinical diagnosis, neuroscience research, and brain-computer interface (BCI). However, traditional EEG monitoring equipment usually requires complex settings, expensive maintenance costs, and reusable electrodes, which to some extent limits its popularity and application scenarios. In recent years, with the advancement of materials science and microelectronics technology, disposable EEG sensors have emerged, bringing revolutionary changes to EEG monitoring.   The core function of disposable EEG sensors is to capture weak electrical signals generated by neuronal activity in the cerebral cortex. These signals are usually measured in microvolts (μV) and have a frequency range of 0.5 Hz to 100 Hz. In order to accurately record these signals, the sensor needs to have high sensitivity, low noise, and good biocompatibility.   The electrodes of disposable EEG sensors are usually made of flexible materials, such as silver/silver chloride (Ag/AgCl) or conductive polymers. These materials not only have good conductivity, but also fit tightly to the scalp to reduce signal distortion. Compared with traditional metal electrodes, flexible electrodes are lighter, more comfortable and suitable for long-term wear.   Compared with traditional EEG monitoring equipment, disposable EEG sensors have the following significant advantages:   1. Use and throw away to avoid cross infection Disposable EEG sensors can be directly discarded after use without cleaning and disinfection. This is particularly important in clinical settings and can effectively avoid the risk of cross infection between patients.   2. Simplified operation process Traditional EEG monitoring requires professionals to spend a lot of time installing electrodes, applying conductive paste, and performing impedance tests. Disposable EEG sensors usually adopt a self-adhesive design. Users only need to stick the sensor on the scalp to start monitoring, which greatly reduces the difficulty of operation.   3. High cost-effectiveness Although the unit price of disposable sensors may be high, they can reduce overall costs in the long run because they do not require maintenance and reuse. In addition, their portability and ease of use also reduce equipment investment in hospitals or research institutions.   4. Applicable to a variety of scenarios The lightweight design and wireless transmission function of disposable EEG sensors make them suitable for a variety of scenarios, including home health monitoring, sports science, sleep research, and brain-computer interface development.   In medical diagnosis and academic research, disposable EEG sensors also have a wide range of application scenarios: 1. Clinical diagnosis In the clinical field, disposable EEG sensors can be used to diagnose diseases such as epilepsy, brain injury, and sleep disorders. Their rapid deployment and disposable features are particularly suitable for scenarios that require rapid response, such as emergency rooms and intensive care units (ICUs). 2. Neuroscience research Neuroscientists can use disposable EEG sensors to collect large-scale EEG data and study the activity patterns of the brain under different tasks and states. Its low cost and high portability make cross-regional and cross-cultural research possible. 3. Brain-computer interface Brain-computer interface technology relies on high-quality EEG signal input. Disposable EEG sensors can provide a stable, low-noise signal source for BCI systems, promoting their application in medical rehabilitation, gaming and entertainment.   Although disposable EEG sensors have many advantages, their development still faces some challenges:   1. Signal quality Since the electrode area of ​​disposable sensors is small and the contact with the scalp may not be as close as traditional electrodes, their signal quality may be affected to a certain extent. In the future, it is necessary to improve performance through material innovation and signal processing algorithm optimization.   2. Environmental impact The widespread use of disposable sensors may bring environmental problems. The development of degradable or recyclable materials will be an important research direction in the future.   3. Standardization and supervision Currently, the market for disposable EEG sensors lacks unified standards and regulatory frameworks. Formulating industry standards and strengthening supervision will help ensure the safety and reliability of products.   4. Intelligence and integration   In the future, disposable EEG sensors may integrate more functions, such as multimodal sensing (combining ECG, EMG, etc.), artificial intelligence analysis, and cloud data storage. This will further enhance its application value.   Disposable EEG sensors represent the future development direction of EEG monitoring technology. Its disposable characteristics, low cost and high portability make it have broad application prospects in clinical, scientific research and consumer fields. Although it still faces some technical challenges, with the continuous progress of materials science, microelectronics technology and artificial intelligence, disposable EEG sensors are expected to become the mainstream tool for EEG monitoring, bringing more benefits to human health and quality of life.
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