The 3M™ Bair Hugger™ sensor
The sensor is constructed of two layers of medical grade foam and a flexible circuit which contains a resistive
warming circuit, two calibrated thermistors, and nonvolatile memory. The information that generates the
temperature trend graph is stored on the sensor. When the patient is transferred from one location to another,
the sensor cable is disconnected from the sensor, leaving the sensor in place on the patient. The sensor may be
reconnected to a different sensor cable and control unit when the patient arrives at the next point of care. Once
the sensor is reconnected to the sensor cable, the system will begin to reequilibrate and will regenerate the stored
temperature trend graph and display the patient's current temperature. The act of disconnecting and reconnecting
the sensor from the sensor cable is indicated by a gap in the temperature trend graph.
Section 3: Installation and Instruction for Use
Installing the Control Unit
1.
The control unit must be properly installed and
mounted by qualified personnel.
NOTE:
•
The sensor and control unit are suitable for
use in the patient environment.
•
Clean mounting surfaces with a 70% mixture
of isopropyl alcohol and water prior to
applying the provided hook-and-loop or foam
adhesive.
•
Confirm the hook-and-loop is securely
fastened together before mounting the
control unit to a surface.
•
The control unit's height and orientation
can be adjusted by loosening/tightening the
control unit stand knob on the back of the
unit.
Figure 3-1: Control Unit Mounting Configuration
2.
Connect the power supply to the back of the
control unit's power input port (see Figure 2-4).
Plug the power supply into an appropriate outlet.
The start-up screen will illuminate then transition
to the standby screen.
3.
Connect the sensor cable mini DIN connector end
to the front of the control unit (see Figure 2-3).
NOTE: Orient sensor cable connector aligning its
"key" with the associated recessed feature in the
control unit.
4.
If desired, use a monitor cable to connect the
control unit to the patient monitor via the monitor
port on the back of the control unit (see Figure
2-4).
NOTE: Temperature input on patient monitor is
typically labeled T1 or T2.
Instructions for use
1.
Ensure the system power supply is connected
to the back of the control unit and the power
supply is plugged into an appropriate outlet. If
desired, ensure the provided monitor cable is
connected to the back of the control unit and to
the YSI-400 type input on the patient monitor.
2.
Use an alcohol wipe to clean and disinfect
the patient's forehead at the intended sensor
application site. Allow the patient's forehead to
completely dry.
3.
Connect the sensor to the sensor cable connector.
Ensure the sensor tab is properly connected
and is fully inserted into the sensor cable (see
Figure 3-2). The display on the control unit will
change to the ready screen once it confirms the
sensor connection.
Figure 3-2: Connect the sensor to the sensor cable
4.
Remove backing liner on the sensor to expose
adhesive (see Figure 3-3). Do not bend sensor
when removing backing liner.
Figure 3-3: Remove the backing liner
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