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Use a damp soft cloth and a hospital approved mild detergent, germicidal disposable wipes, disinfecting
towelettes, or antimicrobial spray. The following active ingredients are acceptable for cleaning:
o
Oxidizers (e.g. 10% Bleach)
o
Quaternary Ammonium compounds (e.g. 3M™ Quat Disinfectant Cleaner)
o
Phenolics (e.g. 3M™ Phenolic Disinfectant Cleaner)
o
Alcohols (e.g. 70% Isopropyl Alcohol)
o
For full cleaning procedures see "Section 6: General maintenance, Storage and Service."
4.
The sensor is not made with natural rubber latex.
5.
To the full extent permitted by law, the manufacturer and/or importer declines all responsibility for injury
resulting from the unit being used in conjunction with unapproved system components.
Section 2: Overview and Operation
The 3M™ Bair Hugger™ temperature monitoring system measures the core temperature of the patient. The
system is comprised of a sensor, which connects to the control unit through the sensor cable, a power supply, and
an optional monitor cable. For additional sensors, sensor cable, power supply, control unit stand, monitor cable,
hook-and-loop, or foam adhesive, contact 3M.
Power Supply
Sensor Cable
Operating Principle
The 3M Bair Hugger temperature monitoring system uses zero-heat-flux thermometry to accurately measure
a person's core temperature as characterized in Figure 2-2. 1) The 3M Bair Hugger temperature monitoring
system gently warms the sensor creating an isothermal zone under the sensor. 2) Once equilibrated to the core
temperature, skin-surface heat loss to the environment is prevented and a zero-heat-flux condition is established.
3) When the temperature sensor reaches equilibrium with the patient's core temperature, the control unit displays
an accurate, noninvasive measurement of the patient's core temperature.
Skin Surface
Deep Tissue
1) Placement and connection
Sensor Connector
Figure 2-1: Bair Hugger Temperature Monitoring System
Monitor
Cable
3M™ Bair Hugger™
Control Unit
Temperature Sensor
Temperature Sensor
5
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