xvi
Safety Precautions for Using the Equipment
generated at the peripheral site.
Do not use tape to attach the sensor.
Even attachment for a short duration may inhibit the blood flow and generate compression necrosis or burn
injury. Also, blood flow inhibition may prevent correct measurements.
Check the sensor attachment site constantly in every 4 hours when probes or reusable sensor are used, and at
least every 8 hours when single patient use sensors are used. Be especially careful of a patient with bad
perfusion. If the sensor attachment position is not changed constantly, skin irritation or skin necrosis due to
compression may be developed. For the patient with bad perfusion, check the sensor attachment position at
least every 2 hours.
As skin for neonate, premature infant is immature, change the sensor attachment site more frequently
depending on the condition.
Direct sunlight to the sensor area can cause a measurement error.Place a black or dark cloth over the sensor if
using in direct sunlight.
When not measuring, unplug the relay cable and sensor from the SpO
2
connector. Otherwise, the outside light
may affect to falsely display measurements.
The pulse wave is normalized for SpO
2
measurement, and does not indicate perfused blood volume. Check
proper probe attachment by observing the pulse wave.
Precautions for Reusable Sensors
The light-emitting part of the sensor should be over the root of the fingernail or as instructed per the related
sensor instruction manual. Do not insert the finger too far into the sensor as it may hurt the patient. For details,
refer to the SpO
2
sensor instruction manual.
Precautions for Single-Patient-Use Type Sensors
The sensor can be reused on the same patient as long as the adhesive tape attaches without slippage. But do not
reuse on other patients to avoid cross contamination. It is intended for single patient use only. For details, refer
to the SpO
2
sensor instruction manual.
If "---" is displayed for the SpO
2
numeric data, make sure that the sensor is properly attached.
Measuring on a limb with NIBP cuff, arterial catheter, or intracatheter may result in incorrect measurement.
Venous congestion may cause under reading of actual oxygen saturation. Therefore, assure proper venous
outflow from monitored site. Sensor should not be below heart level (e.g. sensor on hand of a patient in a bed
with arm dangling to the floor).
Precautions about the SpO
2
Monitoring (HS-8312M or HG-810)
Do not use the Pulse CO-Oximeter or oximetry sensors during magnetic resonance imaging (MRI) scanning.
Induced current could potentially cause burns. The Pulse CO-Oximeter may affect the MRI image, and the
MRI unit may affect the accuracy of the oximetry measurements.
If using pulse CO-oximetry during full body irradiation, keep the sensor out of the irradiation field. If the
sensor is exposed to the irradiation, the reading might be inaccurate or the unit might read zero for the duration
of the active irradiation period.
Exercise caution when applying a sensor to a site with compromised skin integrity. Applying tape or pressure
to such a site may reduce circulation and/or cause further skin deterioration.
Circulation distal to the sensor site should be checked routinely.
A functional tester cannot be utilized to assess the accuracy of the Pulse CO-Oximeter or any sensors.
Do not modify or alter the sensor in any way. Alterations or modification may affect performance and/or
accuracy.
Precautions about the NIBP Monitoring
Do not apply the NIBP cuff to site of injury. An injury may be worsened by the measurement.
Do not apply the NIBP cuff to the arm on side treated axillary lymph nodes dissection. It may lead to lymphatic
edema by the cuff pressure.
CAUTION
CAUTION
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