Document Outline

• © 2011 Invacare Corporation. All rights reserved. Republication, duplication or modification in whole or in part is prohibited without prior written permission from Invacare. Trademarks are identified by ™ and ®. All trademarks are owned by or li...
• 1 General 4
  • Warnings 4
  • Limited Warranty 5
• 2 Overview 6
  • Label Location 6
  • Typical Product Parameters 7
• 3 Safety 10
  • General Guidelines 10
• 4 Operation 14
  • Installing the Mattress Replacement System 14
  • Installing the Side Rails 16
  • Installing the Power Unit 16
  • Connecting the Hose 16
  • Connecting the Power Cord 18
  • Using the Front Panel 19
  • Powering Up the System 26
  • Placing the Patient on the Mattress 27
  • Transferring Patient From/To a Gurney 28
  • Transferring Patient From/To a Wheelchair 28
  • Preparing for CPR Procedure 29
• 5 Maintenance and Troubleshooting 31
  • Cleaning the System 31
  • Changing the Filter 33
  • Troubleshooting 35
• 1 General
  • 1.1 Warnings
    • Signal words are used in this manual and apply to hazards or unsafe practices which could result in personal injury or property damage. See the information below for definitions of the signal words.
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    • danger
      • Danger indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.
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    • Warning
      • Warning indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.
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    • caution
      • Caution indicates a potentially hazardous situation which, if not avoided, may result in property damage or minor injury or both.
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    • important
      • Indicates a hazardous situation that could result in damage to property if it is not avoided.
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  • Gives useful tips, recommendations and information for efficient, trouble-free use.
  • 1.2 Limited Warranty
    • PLEASE NOTE: THE WARRANTY BELOW HAS BEEN DRAFTED TO COMPLY WITH FEDERAL LAW APPLICABLE TO PRODUCTS MANUFACTURED AFTER JULY 4, 1975.
    • This warranty is extended only to the original purchaser who purchases this product when new and unused from Invacare or a dealer. This warranty is not extended to any other person or entity and is not transferable or assignable to any subsequent pur...
    • This warranty gives you specific legal rights and you may also have other legal rights which vary from state to state.
    • Invacare warrants the mattress and cover when purchased new and unused to be free from defects in materials and workmanship for a period of one year from the date of purchase from Invacare or a dealer, with a copy of the seller’s invoice required f...
    • For warranty service, please contact the dealer from whom you purchased your Invacare product. In the event you do not receive satisfactory warranty service, please write directly to Invacare at the address on the back cover. Provide dealer's name, a...
    • Invacare Corporation will issue a return authorization. The defective unit or parts must be returned for warranty inspection using the serial number, when applicable, as identification within thirty days of return authorization date. DO NOT return pr...
    • LIMITATIONS AND EXCLUSIONS: THE WARRANTY SHALL NOT APPLY TO PROBLEMS ARISING FROM NORMAL WEAR OR FAILURE TO ADHERE TO THE ENCLOSED INSTRUCTIONS. IN ADDITION, THE FOREGOING WARRANTY SHALL NOT APPLY TO SERIAL NUMBERED PRODUCTS IF THE SERIAL NUMBER HAS ...
    • THE FOREGOING EXPRESS WARRANTY IS EXCLUSIVE AND IN LIEU OF ANY OTHER EXPRESS WARRANTIES WHATSOEVER, WHETHER EXPRESS OR IMPLIED, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND THE SOLE REMEDY FOR VIOLATION...
    • THIS WARRANTY SHALL BE EXTENDED TO COMPLY WITH STATE/PROVINCIAL LAWS AND REQUIREMENTS.
  • 2 Overview
    • 2.1 Label Location
      • 2.1 Label Location
      • DANGER-EXPLOSION HAZARD: DO NOT use in the presence of flammable anesthetics.
      • CAUTION: Equipment should be connected to a properly grounded receptacle (3-prong). Risk of Electrical shock. DO NOT remove back. Disconnect air hose before administering CPR.
    • 2.2 Typical Product Parameters
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  • MA90Z power unit is also used on MA90ZB42 and MA90ZB48 systems.
  • MA95Z power unit is also used on MA95ZB42 and MA95ZB48 systems.
  • Electrical Parameters
    • Input voltage ac:
    • input frequency:
    • Current:
    • maximum Power Consumption:
    • Circuit protection:
    • Mode of Operation:
  • Performance Parameters
    • weight capacity
      • Standard Mattress:
      • Bariatric Mattress
        • 42 inch:
        • 48 inch:
    • Pressure Zone:
    • Maximum Flow:
    • Maximum Pressure:
    • Maximum Flow Timer:
    • Support Surface Inflation time:
    • Patient Comfort COntrol Pressures:
      • Soft Pressure:
      • Firm Pressure:
    • rotation Time:
    • rotation angle:
    • Patient COntact:
  • Mechanical Parameters
    • Control Unit Dimensions (L x W x H):
    • Control Unit Weight:
    • Control Unit Power cord:
    • Control Unit COnnection:
    • Control unit Packaging:
    • air filter:
  • Environmental Parameters
    • Operating COnditions
      • Ambient temperature:
      • Relative Humidity:
      • Atmospheric Pressure:
    • Storage and Shipping Conditions
      • Ambient temperature:
      • Relative Humidity:
      • Atmospheric Pressure:
  • 3 Safety
    • 3.1 General Guidelines
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      • Warning
        • Do not use this product or any available optional equipment without first completely reading and understanding these instructions and any additional instructional material such as owner’s manuals, service manuals or instruction sheets supplied with...
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      • accessories Warnings
        • Invacare products are specifically designed and manufactured for use in conjunction with Invacare accessories. Accessories designed by other manufacturers have not been tested by Invacare and are not recommended for use with Invacare products.
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      • notice
        • The information contained in this document is subject to change without notice.
        • Check all parts for shipping damage and test before using. In case of damage, do NOT use. Contact Invacare/Carrier for further instruction.
      • Contraindications
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      • Warning
        • Always consult the patient’s physician before using the MA90Z and MA95Z systems.
      • Installation
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      • Warning
        • The MA90Z and MA95Z series (including bariatric) is recommended to be installed on medical bed frames with bed side or assist rails. It is preferred that the rails be in the raised position whenever a patient is on the bed. Health care professionals ...
        • Controls on the footboard may be obstructed by the power unit on a few bed frames. It may be necessary to relocate the power unit. Refer to Installing the Power Unit on page 16.
        • Check that air hoses and power cord are clear of moving bed components before placing a patient on the bed. Operate all bed frame motorized functions through their full range of motion to be certain that there is no pulling, interference or pinching.
        • DO NOT strap the mattress to the bed frame at the head and foot ends. Secure ALL mattress straps. Secure the straps to the bed deck at the head and foot ends and to the frame at the center of the bed. Otherwise damage to the mattress will occur when ...
      • Entrapment May Occur
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      • Warning
        • Patient entrapment with bed side rails may cause injury or death. Mattress MUST fit bed frame and side rails snugly to prevent patient entrapment. Follow the manufacturer’s instructions. Monitor patient frequently. Read and understand the Owner’s...
        • Proper patient assessment and monitoring, and proper maintenance and use of equipment is required to reduce the risk of entrapment. Variations in bed rail dimensions, and mattress thickness, size or density could increase the risk of entrapment. Visi...
        • Refer to the owner’s manuals for beds and rails for additional product and safety information.
        • After any adjustments, repair or service and before use, make sure all attaching hardware is tightened securely. Assist rails with dimensions different from the original equipment supplied or specified by the bed manufacturer may not be interchangeab...
      • Fire Hazard
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      • danger
        • Smoking
        • DO NOT SMOKE while using this device. This system uses room air for circulation through the mattress. A cigarette can burn a hole in the bed surface and cause damage to the mattress. Also, patient clothing, bed sheets, etc. may be combustible and cau...
        • Smoking by visitors in the room will contaminate the system. Therefore, visitor smoking is NOT permitted.
        • Anesthesia Equipment
        • There is an explosion risk if used with flammable anesthetics.
        • Oxygen
        • There is a possible fire hazard when used with oxygen administering equipment other than nasal mask or half bed tent type. The oxygen tent should NOT extend below mattress support level.
      • Electrical
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      • danger
        • Electrical shock hazard. DO NOT remove cover. Refer to qualified service personnel.
        • Before performing any maintenance to the power unit, disconnect the power cord from the wall outlet.
        • DO NOT insert items into any openings of the control unit. Doing so may cause fire or electric shock by shorting the internal components
        • The control unit must be kept away from all heat sources and radiators during operation.
        • Connect the equipment to properly grounded three prong wall outlet using 10-14 ft hospital grade power cord provided with the product.
        • Grounding reliability depends upon a properly grounded receptacle (3-prong).
  • 4 Operation
    • 4 Operation
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    • caution
      • The control unit and mattress on the MA90Z series are designed to be used as a system. Do not replace mattresses or control units with other models or other brands. Otherwise, damage to the system may occur. Contact your supplier to get the correct r...
    • 4.1 Installing the Mattress Replacement System
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      • caution
        • Do not strap the mattress to the bed frame at the head and foot ends. Secure ALL mattress straps. Secure the straps to the bed deck at the head and foot ends and to the frame at the center of the bed. Otherwise damage to the mattress will occur when ...
  • Head End Bed Deck
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  • The powered mattress comes with ten nylon buckle straps.
  • 1. Remove the original foam mattress from the bed.
  • 2. If necessary, lower the side rails to facilitate installation of the mattress.
  • 3. Unroll the powered mattress and place it on the bed frame.
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  • Ensure that the hose is towards the foot end of the bed.
  • 4. Use the buckle straps to secure the powered mattress to the bed deck in the following locations:
  • Hose
    • 4.2 Installing the Side Rails
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      • warning
        • Patient entrapment with bed side rails may cause injury or death. Mattress MUST fit bed frame and side rails snugly to prevent patient entrapment. Follow the manufacturer’s instructions. Monitor patient frequently. Read and understand the Owner’s...
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  • Refer to the instructions provided with the side rails for the installation procedure.
    • 4.3 Installing the Power Unit
      • 1. Pull out the bed hook on the back of the control unit.
      • 2. Place the control unit on the footboard.
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  • If the bed does not have a footboard, place the control unit on a flat surface, leaving room for the hose to hang down.
  • Bed Hook
    • FIGURE 2 Installing the Power Unit
    • 4.4 Connecting the Hose
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      • caution
        • Ensure that the hose connecting the control unit to the mattress is routed such that it cannot be stepped on, kinked, squeezed or otherwise damaged.
        • 1. Locate the hose at the foot end of the mattress.
        • 2. Locate the control unit connector on the right side of the control unit.
        • 3. Perform one of the following:
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  • The audible click indicates that the hose connector(s) are properly engaged with the control connectors.
  • Connector Cover
    • 4.5 Connecting the Power Cord
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      • warning
        • Do not alter plug to fit a non-conforming outlet. Instead, have an electrician install a properly grounded outlet. Failure to use the correct plug and outlet can result in a potential safety hazard.
      • caution
        • Ensure that the power cord of the control unit is not pinched, or has any objects placed on it, and also ensure it is not located where it can be stepped on or tripped over.
        • 1. Examine the hospital grade power cord supplied with the control unit.
        • 2. Perform one of the following:
        • 3. Plug the other end of the plug into a properly grounded outlet on the wall.
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  • Once the unit is plugged in, an Amber led on the control unit is lit indicating that the system is in stand by mode.
  • 4.6 Using the Front Panel
    • DETAIL “B” - MA95Z Power Unit Front Panel
    • Power Button
      • 1. To turn the control unit on or off, press and release the Power button ().
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  • Once the unit is plugged in, an Amber led on the control unit is lit indicating that the system is in stand by mode. Once the Power button is pressed and released, a green led illuminates indicating that the control unit is on.
  • If the power comes on after a power outage, the control unit will go through its system initialization routine for a few seconds and then resume the desired function.
  • Turn Button (MA90Z Power Unit)
    • 1. Press the Turn button () to select one of three rotation modes or to set the unit to No Turn (Static) mode.
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  • The rotation modes are right, left or both and all three modes include alternating pressure therapy.
  • When No Turn is selected, all of the air cushions are maintained at a constant pressure.
  • Turn Time Button (MA90Z Power Unit)
    • 1. Press the Turn Time button () to select one of four rotation times.
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  • The rotation times are 10, 20, 30 and 60 minutes.
  • Turn Angle Button (MA90Z Power Unit)
    • 1. Press the Turn Angle button () to select one of four rotation angles.
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  • The rotation angles are 1/4, 1/2, 3/4 and full rotation (45°).
  • Rotation Button (MA95Z Power Unit)
    • 1. Press the Rotation button () to select Static mode or Alternating Rotation mode.
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  • When the LED is on, Alternating Rotation mode has been selected.
  • In Static mode, the LED is off and all air cushions are maintained at a constant pressure.
  • Select Button (MA95Z Power Unit)
    • 1. Press the Select button ()to move the pointer on the LCD to Function.
    • 2. Press the Firm or Soft button until the desired function displays. Available functions are:
      • left
      • Center
      • Right
      • Static
      • pulse
      • multi-pulse
      • Fowler, Upright
    • 3. Use the Select button to move the pointer to the times or attributes available for the selected function.
    • 4. Use the Firmer or Softer buttons to change the times or attributes.
  • Hold Button (MA95Z Power Unit)
    • 1. Press the Hold button () to pause the mattress in the current position. The mattress will remain in this position until the Hold button is pressed again.
  • Firm/Soft Buttons
    • 1. Select comfort pressure settings by pressing Firm () or Soft () buttons.
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  • The patient comfort pressure ranges from Soft (6±4 mmHg) to Firm (32±6 mmHg). The Comfort Control LED displays the patient comfort pressure levels and provides a guide to the caregiver to set approximate comfort pressure level depending on the pati...
  • Automatic Wireless Fowler
    • Manual Operation of the Fowler
      • 1. Press the Select button () to move the pointer on the LCD to Function.
      • 2. Use the Firm and Soft buttons until Fowler displays.
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  • When this mode is activated, the control unit increases the pressure in the mattress to prevent the patient from bottoming out.
  • About Automatic Wireless Mode
    • When the bed articulates to 45°, the transmitter in the head of the mattress signals the control unit to add 25% more air into the mattress to prevent the patient from bottoming out.
  • Programming the Automatic Wireless Fowler Transmitter
    • 1. Ensure the transmitter is inside the mattress pocket located on the right side of the mattress at the head end.
    • 2. Ensure the mattress is in a flat position.
    • 3. Ensure the control unit is plugged in, and the LCD displays STAND BY.
    • 4. Perform one of the following:
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  • The Fowler LED is lit and L displays in the LCD Display.
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  • The control unit will beep and will return to Standby.
    • • Cancel - Press the Turn Angle button to exit Fowler Transmitter Setup without linking to a transmitter.
    • • Save - Wait 60 seconds without pressing a key.
  • Mode Button (MA90Z Power Unit)
    • 1. Press the Mode button () to select the Max Inflate Mode or the Low Air Loss mode.
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  • It takes 5-10 minutes for the MA90Z mattress to inflate fully (inflation time depends on size of mattress).
  • Max Inflate mode can be manually disengaged by pressing the Max Inflate button. This will deactivate the Max Inflate LED.
  • It is recommended that Max Inflate setting be used during patient ingress/egress, patient wound care, patient turning or patient cleaning.
  • Max Inflate Button (MA95Z Power Unit)
    • 1. Press the Max Inflate button () to select the max inflate mode and inflate the mattress rapidly to maximum firmness (pressurized to 35 ± 6 mmHg). A series of beeps sound every three minutes as a reminder that the Max Inflate mode is active. After...
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  • It takes 25-60 seconds for the MA95Z mattress to inflate fully (inflation time depends on size of mattress).
  • It is recommended that Max Inflate setting be used during patient ingress/egress, patient wound care, patient turning or patient cleaning.
  • 2. Perform one of the following:
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  • This will deactivate the Max Inflate LED.
  • Lock/Alarm Silence Button
    • 1. Press the Lock/Alarm Silence button () to select one of the following modes:
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  • The Lock LED illuminates when in this mode.
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  • The Alarm LED illuminates when in this mode.
  • Power Fail LED
    • In the event of power outage, an alarm sounds and the Power Fail LED flashes Amber. The control unit has internal memory and retains the previous settings during the power outage.
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  • During a power outage, the MA90Z, MA90ZB42 and MA90ZB48 mattress retains the air as long as the mattress is connected to the control unit.
  • Low Pressure LED
    • In the event that the mattress hose disconnects, an alarm sounds and Low Pressure LED flashes Amber. Once the low pressure problem is fixed, the control unit resumes operation in the previously set mode.
  • Displaying the Total Run Time (MA95Z Power Unit)
    • Every time the control unit is plugged in, the LCD screen displays the Run Time in hours and minutes. For example, 2,584 hours and 25 minutes displays as 002584 Hours 000025 Minutes.
    • To display the Run Time during use:
    • 1. Ensure the control unit is plugged in and the Standby LED is On.
    • 2. Press and hold the Soft and Firm Buttons at the same time.
    • 3. The LCD screen displays the Run Time as described above.
  • 4.7 Powering Up the System
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  • For this procedure, refer to FIGURE 4 on page 19.
  • 1. Turn on the power to the system by pressing the Power button on the control unit.
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  • Once the button is released, a green led illuminates when the unit is on.
  • 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.
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  • In this mode, the Max Inflate Led lights up.
  • 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.
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  • Special positioning may be required with contracted patients to provide comfortable positions.
  • 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.
  • 4.9 Transferring Patient From/To a Gurney
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    • warning
      • ALWAYS engage the wheel locks of the bed and the wheel locks of the gurney before transferring the patient between the bed and the gurney.
      • 1. Engage the wheel locks of the bed. Refer to the owner’s manual provided with the bed.
      • 2. Engage the wheel locks of the gurney. Refer to the owner’s manual provided with the gurney.
      • 3. Press the Max Inflate button to achieve maximum mattress pressure.
      • 4. Raise or lower the bed to match the gurney height. Refer to the owner’s manual provided with the bed.
      • 5. When the mattress has reached maximum firmness, perform one of the following:
  • 4.10 Transferring Patient From/To a Wheelchair
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    • warning
      • ALWAYS engage the wheel locks of the bed and the wheel locks of the wheelchair before transferring the patient between the bed and the wheelchair.
      • 1. Engage the wheel locks of the bed. Refer to the owner’s manual provided with the bed.
      • 2. Engage the wheel locks of the wheelchair, if applicable. Refer to the owner’s manual provided with the wheelchair.
      • 3. Press the Max Inflate button to achieve maximum mattress pressure.
      • 4. Raise or lower the bed to match the wheelchair height. Refer to the owner’s manual provided with the bed.
      • 5. When the mattress has reached maximum firmness, perform one of the following:
  • 4.11 Preparing for CPR Procedure
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  • For this procedure, refer to FIGURE 5 on page 30.
  • 1. Perform one of the following:
  • 2. Pull the hose connector (Details “B” and “C”) from the control unit connectors.
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  • MA95Z Only - If the hose connector is difficult to release, pull the hose connector down and then away.
  • 3. MA90Z Only - Disconnect the red CPR connector located on the hose (Detail “D”).
  • Connector Cover
    • 5 Maintenance and Troubleshooting
      • 5.1 Cleaning the System
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        • warning
          • Before cleaning or disassembling the MA90 series, check the underside of the mattress folds for sharp objects such as scissors, needles, etc. These objects should be removed and discarded before proceeding with further cleaning or disassembly; otherw...
          • Because of potential risk of infectious exposure, cleaning with the patient on the bed is not recommended.
          • All equipment should be inspected. Any item that is visibly soiled with the patient's blood or other body fluids should be properly cleaned or removed.
          • Laundry workers should treat all soiled bedding as if it were contaminated with pathogenic microorganisms.
          • 1. Remove the bedding.
          • 2. If necessary, inflate the mattress.
          • 3. Ensure that the control unit is off.
          • 4. Unplug the power cord from the wall outlet.
          • 5. Ensure that the underside of the mattress is clear of all sharp objects.
          • 6. Examine the surface of the control unit and mattress assembly components for visible blood or body fluids.
          • 7. Perform one of the following:
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  • If soiled, the cover should be removed, cleaned and decontaminated.
  • 8. Perform the following steps to clean the mattress cover:
    • a. Using a clean sponge or paper towel, wipe down the cover surface with a dilute detergent solution of quaternary cleaner disinfectant or other germicidal detergent solution.
    • b. Remove the cover and launder it using the following method:
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  • caution
    • Laundry workers should always wash their hands before working with clean bedding.
    • DO NOT overload the machine.
    • DO NOT use chlorine bleach because it may damage the fabric coating.
    • High air temperatures will damage the fabrics and void the Invacare warranty.
    • 9. Perform the following steps to clean the control unit and hose fittings:
      • a. Wipe all controls, chassis and hose fittings with a quaternary disinfectant solution.
      • b. Using a nylon brush, gently clean all crevices as they can harbor microorganisms.
      • c. Air dry all treated surfaces.
    • 10. Perform the following steps to clean the mattress components (air cushions, mattress base, etc.):
      • a. Using a clean sponge or paper towel, wipe down the mattress components with a dilute detergent solution of quaternary cleaner disinfectant or other germicidal detergent solution.
      • b. Wipe the mattress components with a clean dry cloth.
  • Storing the System
    • 1. Ensure that the control unit is off and disconnect the power cord from the wall outlet.
    • 2. Clean the system. Refer to Cleaning the System on page 31.
    • 3. Disconnect the air hose connector from the control unit and allow air to vent from the mattress.
    • 4. Gently roll up the mattress with minimal handling and agitation.
    • 5. Ensure the cover surface is inside the roll.
    • 6. Store the unit, keeping the mattress with the control unit.
  • 5.2 Changing the Filter
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  • For this procedure, refer to FIGURE 1 on page 34.
  • Clean the filter every 5 months or whenever it is dirty.
  • 1. Remove the two screws securing the filter cover to the back of the control unit.
  • 2. Remove the filter.
  • 3. Wash the filter with water and a mild detergent.
  • 4. Dry the filter completely.
  • 5. Install the filter into the back of the control unit.
  • 6. Secure the filter cover to the back of the control unit using the two screws.
  • Filter Cover
    • 5.3 Troubleshooting
      • Invacare Corporation
      • USA
      • One Invacare Way
      • Elyria, Ohio USA
      • 44036-2125
      • 800-333-6900
      • Canada
      • 570 Matheson Blvd E Unit 8
      • Mississauga Ontario
      • L4Z 4G4 Canada
      • 800-668-5324
        • Part No 1148139
        • Rev D- 1/11
        • www.invacare.com