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Sensor too Lose

Sensor too tight

Excessive tightening will be indicated with a “sensor too tight” message. In such a case loosen Loosen the turnbuckle until the green message of OK! appears.

Lack of tightening will be indicated with a “sensor too lose” message. In such a case tighten Tighten the turnbuckle until the green message of OK! appears.

Note

PRECAUTION - The patient position or movement and the BcSs-PICNIW-1000/BcSs-PICNIW-2000 sensors are known to affect the signal being recorded. As a result, if multiple recording sessions are obtained on the same patient, consistent positioning of the patient and device will lead to more comparable recordings.

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After sensor placement and tightening an assisted waveform quality window will appear via sample processing according to the table below.

Image Modified

Sample gathering - when correctly positioned, the B4C System will start collecting

a 30 second sample of the captured waveform

20s or 30s sample for quality verification.

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Adequate quality - An average

30 second

pulse will

be presented

appear with respective confidence intervals

and

. It will

be updated

refresh every

5 seconds

5s.

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Inadequate quality - In some situations, the captured signal does not have sufficient technical quality.

The system will indicate this, meaning there is a need to stabilize

Verify if the patient is quiet and/or adjust the sensor.

Note

PRECAUTION - The signal quality check is NOT a clinical judgement or diagnosis. The is a technical verification and the insufficient signal quality message means one or more of the four conditions below are true:

  • The signal-to-noise ratio is not satisfactory (signal with lack of physiological characteristics)

  • The amount of artifacts is excessive (too much movement being captured in the signal)

  • The processed signal will result in a statistically non-significant P2/P1 ratio

  • Processed signal will result in a non-physiological Time-to-Peak range

If the sensor is positioned correctly, the waveform shown on the positioning screen should have a typical ICP waveform characteristic.

Info

ATTENTION - The familiarity with the waveform is a healthcare professional interpretation based on their experience and exposure to ICP waveforms.

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