Inserting the Catheter

17 Monitoring SvO2

3Place the optical connector into the optical module (with the label “TOP” facing upwards) and close the lid.

4In the Setup SvO2 menu, select Start Pre-InsCal. Ensure that the tip of the catheter is still in the optical reference.

5Insert the catheter when you see the message SvO2 calibration completed - catheter ready for insertion. If the calibration fails, repeat the calibration before inserting the catheter. If it fails a second time, replace the optical module.

Inserting the Catheter

1Remove the inner cover of the catheter tray.

2Remove the catheter tip from the optical reference. Check the catheter's proper operation (for example: the balloon tip).

3Prepare and insert the catheter in accordance with standard hospital practice.

The SvO2 catheter is thin and flexible, treat it carefully. Avoid kinking, bending or grasping the catheter with forceps or a hemostat. Damage to the fiber results in low intensity light and sudden decrease in intensity readings. Refer to the documentation provided with the fibre-optic catheter, paying special attention to any precautions, warnings or contraindications.

Secure the optical module directly or in close proximity to the patient, to avoid placing excessive tension on the catheter, which would result in movement of the catheter tip from the optimal position in the patient. Position the optical module to avoid contact with liquids, because fluid entering the catheter-optical module connection may impair light transmission.

If you place the catheter in the patient without performing the pre-insertion calibration, you must perform an in-vivo calibration once the catheter is in place.

Performing a Light Intensity Calibration

Perform a light intensity calibration after the catheter is in its proper position. When the catheter is positioned properly, the light intensity indicator must cover at least two small divisions above the midpoint.

SvO2

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In the Setup SvO2 menu, select Start Light Cal.

Calibration is complete after a few seconds. If you doubt existing light intensity readings, recalibrate.

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Philips MP60/70/80/90, MP20/30, MP40/50 manual Inserting the Catheter, Performing a Light Intensity Calibration

MP60/70/80/90, MP40/50, MP20/30 specifications

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