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For proper monitoring, you’ll need to properly position the sensor on the patient’s head and verify the acquired signal.
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ATTENTION - THIS STEP IS THESE STEPS ARE VERY IMPORTANT. PLEASE READ THEM CAREFULLY.
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Step 1 - position sensor | ||
When starting sensor placement a screen to help with sensor positioning. This will inform you about the headband tightness. Before placing the sensor on the patient's head the option will show that the sensor is too loose. |
POSITION = The sensor must be positioned in the region of the temples (mid eyebrow line), i.e., at 15% of the reference point Fpz towards the Oz reference points at the back of the head following the circumference of the skull.
POSITION = The sensor should contact the scalp in the temporoparietal region about 2 inches (5-6 cm) above the entrance of the external acoustic meatus in the coronal plane and just below the head protrusion where the circumference is greatest.
Step 2 - tighten turnbuckle
Once the sensor is placed, tighten the turnbuckle into a snug, comfortable fit, turning it clockwise until a final click can be heard without excessive force. A proper adjustment will result in a green OK! on the app screen.
If the patient is awake, ask if he is comfortable with the pressure. If not, readjust the headband for a comfortable fit.
In conditions where patients are unresponsive, check for signs of discomfort or skin damage for at least every five minutes.
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Sensor too Lose | Sensor too tight |
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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. |
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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.
Sample gathering - when correctly positioned, the B4C System will start collecting |
20s or 30s sample for quality verification. |
Adequate quality - An average |
pulse will |
appear with respective confidence intervals |
. It will |
refresh every |
5s. |
Inadequate quality - In some situations, the captured signal does not have sufficient technical quality. |
Verify if the patient is quiet and/or adjust the sensor. |
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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:
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If the sensor is positioned correctly, the waveform shown on the positioning screen should have a typical ICP waveform characteristic.
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ATTENTION - The familiarity with the waveform is a healthcare professional interpretation based on their experience and exposure to ICP waveforms. |
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