9005-20-08531 V.C 9005-30-08530 SpO2 Board For Mindray PM8000 Patient Monitor

Mindray PM8000 Patient Monitor SpO2 Board 9005-20-08531 V.C 9005-30-08530

SpO2 Board 9005-20-08531 V.C 9005-30-08530 For Mindray PM8000 Patient Monitor

Mindray PM8000 Patient Monitor SpO2 Board 9005-20-08531 V.C 9005-30-08530 brief introduction

The SpO2 (oxygen saturation) board is an important part of the Mindray PM8000 patient monitor. It is responsible for non-invasively monitoring the oxygen saturation level of the patient's blood. The board uses a pulse oximeter sensor to measure oxygen saturation by analyzing the color of light passing through the patient's skin. This information is then displayed on the patient monitor's screen, allowing healthcare professionals to monitor the patient's oxygen levels in real time. SpO2 panels are critical in assessing a patient's respiratory status and can help detect any potential breathing problems or oxygenation abnormalities.

Principles of Spo2

Conventional pulse oximeters assume that all pulsations in the optical absorption signal are caused by fluctuations in arterial blood volume. It is assumed that the blood flow in the sensor area runs completely through the capillary bed and not via arteriovenous shunts. A conventional pulse oximeter calculates the ratio of pulse absorbance (AC) to mean absorbance (DC) at two wavelengths, 660 nm and 940 nm.

The reference noise equation is based on the R value used to determine SpO2. The instrument software analyzes the possible R values corresponding to SpO2 values between 1% and 100% and generates an N' value for each R value. The S(660) and S(940) signals are processed using all N possible references to the noise. Using an adaptive correlation canceller (ACC) that operates for every possible value of R (i.e. every possible value from 1% to 100 SpO2) generates a power output. %). The result is a discrete saturation transform (DST™) plot of relative power versus possible SpO2 values, as shown below, where R equals SpO2 = 97%:

The DST diagram has two peaks: The peak corresponding to the highest saturation is chosen as the SpO2 value. The entire sequence repeats every two seconds for the last four seconds of raw data. The SpO2 value therefore corresponds to the moving average of arterial hemoglobin saturation, which is updated every two seconds.

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9005-20-08531 SpO2 Board

Patient Monitor SpO2 Board

9005-20-08531 V.C 9005-30-08530 SpO2 Board For Mindray PM8000 Patient Monitor Images