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Disposable Spo2 Sensor

Adult Spo2 Sensor

Reusable Spo2 Sensors

Ventilator Accessories

Medical Equipment Batteries

Medical Oxygen Sensor

Fisher Paykel Heater Wire

Medical Temperature Probe

Co2 Water Trap

Fetal Monitor Transducer

Spo2 Adapter Cable

ECG Cable

ECG Holter Cable

EKG Cable

EEG Cables

Medical Equipment

Reusable ECG Electrodes

Invasive Blood Pressure Cable

Non Invasive Blood Pressure Cuff

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Patient Monitor Stand
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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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01
HIGH QUALITY
Trust Seal, Credit Check, RoSH and Supplier Capability Assessment. company has strictly quality control system and professional test lab.
02
DEVELOPMENT
Internal professional design team and advanced machinery workshop. We can cooperate to develop the products you need.
03
MANUFACTURING
Advanced automatic machines, strictly process control system. We can manufacture all the Electrical terminals beyond your demand.
04
100% SERVICE
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 Can The Spo2 Sensor And Blood Pressure Cuff Be On The Same Side?
2026-03-13

Can The Spo2 Sensor And Blood Pressure Cuff Be On The Same Side?

Spo2 sensor, as a non-invasive and continuous monitoring technology, have been widely applied in surgical anesthesia, intensive care, emergency treatment, and routine observation in general wards. The blood oxygen saturation and pulse rate data they provide are important indicators for assessing a patient's health. However, the value of the monitoring data depends not only on the accuracy of the device itself but also on correct use and reasonable interpretation. The relative position of the Spo2 sensor and the non-invasive blood pressure cuff is a seemingly simple yet crucial element, directly affecting the effectiveness and safety of the monitoring.   The effectiveness of a spo2 sensor relies entirely on the premise of regular blood flow pulsation. However, when a non-invasive blood pressure cuff is attached to the upper limb on the same side as the spo2 sensor and measurement is initiated, this fundamental premise is directly interfered with. The measurement principle of the blood pressure cuff dictates that it must completely compress the brachial artery through inflation to temporarily block blood flow. As the cuff pressure rises above the patient's systolic blood pressure, arterial blood flow to the distal limb gradually decreases until it is completely interrupted. At this point, the arterial pulsation in the area detected by the spo2 sensor disappears. Without the pulse wave as a fundamental analytical basis, Spo2 sensor cannot perform effective calculations. Monitors typically display signal loss, probe detachment alarms, or maintain the previous valid reading; at this point, any oxygen saturation and pulse rate values ​​have lost their clinical reference value.   The complexity of this interference lies not only in the signal interruption but also in the changes in blood flow after the cuff depressurizes and restores blood flow. When the cuff deflates rapidly, the interrupted blood flow is instantaneously restored, often accompanied by a brief reactive congestion wave above baseline levels. This reperfusion wave may differ significantly from a normal physiological pulse wave in morphology, amplitude, and rate. The algorithm of the Spo2 sensor is designed to analyze regular physiological pulses; when it attempts to process this atypical, strong impulse signal, it may calculate transiently abnormal blood oxygen saturation or pulse rate values. For example, it may falsely report transient low blood oxygen saturation or pulse spikes; such false alarms can interfere with clinical judgment, especially in intensive care settings.   Therefore, establishing clear placement guidelines is a crucial step in risk mitigation. The optimal approach is to connect the Spo2 sensor and blood pressure cuff to the patient's left and right upper limbs, respectively. The non-dominant hand (such as the left hand in most people) is usually preferred for placement because it has less movement, reducing motion artifacts; the contralateral upper limb is used for blood pressure measurement. If a patient's upper limbs are unusable due to intravenous infusion, injury, surgery, or special monitoring requirements, alternative monitoring sites should be sought. The Spo2 sensor probe can be moved to the earlobe, nose, or forehead. These sites are supplied by the external carotid artery system, independent of the brachial artery in the upper limbs, effectively avoiding blood flow interference from upper limb blood pressure measurement. For situations requiring frequent blood pressure measurements, such as during surgery or shock resuscitation, advance planning is essential to ensure the pulse oximeter probe is placed in an undisturbed position to guarantee the continuity of core oxygenation data.   In summary, the Spo2 sensor probe plays a crucial role in the clinical monitoring network. Its relationship with other monitoring modules has both the potential for synergistic effects and inherent conflicts, such as its use on the same side as a blood pressure cuff. Therefore, to avoid such interference and ensure continuous, accurate, and reliable pulse oximetry monitoring, standard clinical procedures explicitly recommend placing the Spo2 sensor probe and non-invasive blood pressure cuff on separate limbs of the patient. This measure is a crucial prerequisite for ensuring the quality of basic vital sign monitoring data and is a fundamental understanding that clinical medical personnel should possess.
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Latest company news about Welcome Boston Scientific To Shenzhen Pray-Med For A Factory Audit
2026-01-16

Welcome Boston Scientific To Shenzhen Pray-Med For A Factory Audit

Recently, an audit team from Boston Life Sciences, a global leader in the life sciences field, visited Shenzhen Pray- Med Technology Co., Ltd. (hereinafter referred to as "Pray- Med") to conduct a two-day special factory audit for suppliers. Focusing on core dimensions such as quality management system, production compliance control, and data integrity, this audit aims to comprehensively assess Pray- Med's supply chain guarantee capability and compliance level, laying a solid foundation for deepening strategic cooperation between the two parties. The general manager of Pray- med and the person in charge of core departments including production, quality, and R&D accompanied the audit throughout the process. At the kick-off meeting of the audit, the general manager of Pray- med extended a warm welcome to the audit team of Boston Life Sciences, and elaborated on the company's development history, core business layout, technological R&D capabilities, and global compliance strategy. He stated that Pray- med has always regarded "quality compliance as the root and technological innovation as the soul" as its development philosophy, strictly abiding by international medical industry standards such as ISO 13485, and establishing a full-process quality management system covering R&D, production, inspection, and warehousing. This audit is not only a test of the company's comprehensive strength, but also an important opportunity for the two parties to jointly explore the global high-end medical market.     Subsequently, in accordance with industry norms and cooperation agreement requirements, the audit team of Boston Life Sciences carried out systematic on-site inspections and document reviews. In the production workshop, the audit team went deep into the Class clean production area, carefully inspected the production process, equipment operation status, clean environment control and other conditions of core products, In the quality control laboratory, the team conducted a comprehensive inspection on the calibration of testing instruments, traceability of experimental data, sample management processes, etc., focusing on data integrity and record standardization to ensure that each test result is traceable and verifiable. During the document review phase, the audit team conducted a detailed review around core materials such as quality management system documents, production operation guidelines, employee training records, and Corrective and Preventive Action (CAPA) management system, and in-depth evaluated the implementation effects of Pray- med in compliance management, risk control and other aspects. The two parties conducted in-depth discussions on topics such as the update dynamics of medical industry regulations, supply chain risk management and control, and continuous quality improvement. The audit team put forward targeted optimization suggestions based on global industry practices, and the relevant person in charge of Pray-med responded one by one and clarified the follow-up improvement direction. After one days of comprehensive audit, the audit team of Boston Life Sciences highly recognized Pray-med's compliance management level, production control capability and technical strength. The person in charge of the audit team said: "Pray-med has demonstrated a rigorous attitude and solid foundation in quality management system construction, production process control and data integrity assurance, which fully meets the high standards required by the life sciences field for suppliers. The results of this audit are satisfactory, providing strong support for the two parties to further expand the boundaries of cooperation and achieve mutual benefit and win-win results." The quality director of Pray-med stated that the company will take this audit as an opportunity to earnestly implement the optimization suggestions put forward by the audit team, continuously iterate the quality management system, strengthen full-process compliance control, and continuously improve product quality and supply chain stability. In the future, the two parties will take compliant cooperation as the cornerstone, deepen collaboration in high-end medical product R&D and global market expansion, and jointly provide safer and more efficient medical solutions for global patients.   The successful conduct of this factory audit by Boston Life Sciences not only confirms Pray-med's comprehensive competitiveness in the medical supply chain field, but also demonstrates the company's confidence and strength in exploring the global high-end market. As an innovative enterprise in the medical technology field, Pray-med will always adhere to the bottom line of compliance, drive development with technological innovation, and work hand in hand with global high-quality partners to build a high-quality new ecology of medical supply chain.
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