Edan F9 Fetal Monitor SpO2 Sensor SN 20220210141 12.01.109069 Compatible

► Brief Introduction

The SpO2 cable provides continuous monitoring of functional arterial oxygen saturation (SpO2) and pulse rate (PR) for pregnant women.

SpO2 Plethysmogram measurement is employed to determine the oxygen saturation of hemoglobin in the arterial blood. If, for example, 97% hemoglobin molecules in the red blood cells of the arterial blood combine with oxygen, then the blood has a SpO2 oxygen saturation of 97%. The SpO2 numeric on the monitor will read 97% .The SpO2 numeric shows the percentage of hemoglobin molecules which have combined with oxygen molecules to form oxyhemoglobin.

The SpO2/PLETH parameter can also provide a pulse rate signal and a plethysmogram wave.

1 SpO2 Sensor

2 SpO2 Connector

► SpO2 Plethysmogram Measurement Principle:

Pulse oximetry is a continuous and noninvasive monitoring technique used to estimate the measurement of arterial oxygen saturation. It measures the amount of light penetrating the patient tissue and reaching the receiver. The reading, obtained through pulse oximetry, uses a light sensor containing two sources of light (red and infrared) that are absorbed by hemoglobin and transmitted through tissues to a photodetector.

The amount of light penetrated depends on multiple factors and most of them are constant. However, the arterial blood flow changes with time passing by as is pulsative. The arterial oxygen saturation can be obtained through testing the absorbed light during pulsation. Plethysmogram wave and pulse rate signal can be also provided during pulsation testing.

► Specifications

► Notice

1. Do not put the SpO2 sensor on the extremities with arterial catheter or venous syringe.
2. Do not perform SpO2 measuring and NIBP measuring on the same arm at one time, because obstruction of blood flow during NIBP measuring may adversely affect the reading of SpO2 numeric.
3. Prolonged and continuous monitoring may increase jeopardy of unexpected change of dermal condition such as abnormal sensitivity, rubescence, vesicle, repressive putrescence, and so on. It is especially important to check the sensor placement of neonate and patient of poor perfusion or immature dermogram by light collimation and proper attaching strictly according to changes of the skin.
4. The maximum application time of the SpO2 sensor at a single site is 4 hours. Check the sensor placement every 2 to 3 hours and move it when the skin deteriorates. More frequent examinations may be required for different patients.
5. Setting the SpO2 higher alarm limit to 100% is equivalent to switching off the alarm on higher limit. High oxygen levels may predispose a premature infant to retrolental fibroplasia. Therefore, the higher alarm limit for oxygen saturation must be carefully selected in accordance with commonly accepted clinical practices

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