8 placing the patient on the mattress, In this mode, the max inflate led lights up, D. adjust the comfort setting, if needed – Invacare MA90Z User Manual
Page 27: 4 operation

4 OPERATION
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4.8
Placing the Patient on the Mattress
1.
Press the Mode button or Max Inflate button to turn on the control unit to maximum flow.
2.
After the mattress is fully inflated, place the patient on the bed.
3.
Ensure that the patient’s feet are towards the foot end of the mattress (the end with the hose).
4.
Center the patient on the bed from side-to-side and head-to-foot.
5.
After placing the patient, make certain no objects will fall under the patient, such as feeding tubes, IV's etc.
6.
Wait five minutes for the mattress pressure to stabilize.
7.
Set the comfort pressure to the desired comfort level.
8.
Verify that the patient has not bottomed out by performing the following steps:
A. Ensure that the patient is lying flat on his/her back in the middle of the mattress.
B.
Place four fingers between the air cushions directly underneath the sacral region of the patient’s body.
C. Ensure that there is 3 to 4-finger width clearance between the bottom of the patient and the bed frame.
D. Adjust the comfort setting, if needed.
E.
Wait five minutes for the mattress pressure to stabilize.
F.
Repeat STEPS A-E until patient has not bottomed out and patient comfort is achieved.
9.
If the patient feels that the bed is too soft/hard, press the Soft or Firm button to adjust the comfort settings.
10. Use a regular pillow to help support and stabilize the patient's head.
In this mode, the Max Inflate Led lights up.
Special positioning may be required with contracted patients to provide comfortable positions.