Invacare Matrx E2 BACK User manual

DEALER: This manual MUST be given to the user of the product.
USER: Before using this product, read this manual and save for future reference.
TRD0665 Rev A
USER MANUAL
Invacare®Matrx®
E2 BACK (E2S/E2D)

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en This manual may not be reproduced or reprinted either partly or completely without previous written consent from Motion Concepts
or its statutory representatives.
This user manual is compiled from the latest specifications and product information available at the time of publication. We reserve the
right to make any necessary as they become necessary. Any changes made to our products may cause slight variations between the
illustrations and explanations in this manual and the product you have purchased. If you have any questions or concerns regarding the
information provided in this manual, please contact our Customer Service Department for assistance.
Motion Concepts LP Copyright © 2022

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1.1 OVERVIEW
SAFETY SYMBOLS:
Proper set-up and safe use of your Invacare®Matrx®E2S/E2D Back depends on
your own good judgement and common sense, as well as that of your provider,
caregiver and/or health professional. The following symbols are used throughout
this user manual to identify warnings, cautions and important notes. It is very important
that you read and understand them completely.
IMPORTANT! Please refer to the Wheelchair Owners/Operators Manual
for additional safety information, warnings and cautions related to the
operation of your wheelchair.
1.2 INTENDED USE
Our Invacare®Matrx®E2 Backs are intended to provide back support for a wide
variety of wheelchair users. It is designed to allow precise orientation within a
wheelchair to ensure optimal postural support and positioning The E2 Back support
can be installed on a wide range of wheelchairs.
USER WARNING!
Improper use of this product may cause injury or damage. 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
user manual, service manuals or instruction sheets supplied with this product or
optional equipment. If you are unable to understand the warnings, cautions or
instructions, contact a health care professional or dealer before attempting to use
this equipment.
IMPORTANT INFORMATION
The best way to avoid problems related to pressure injuries is to understand their
causes and your role in a skin management program. Your therapist and physician
should be consulted if you have questions regarding individual limitations and needs.
All back supports should be selected carefully. Working with your therapist and
physician is the best way to assure that a cushion choice matches your indi-
vidual needs. As the needs of the individual become more complex, the evaluation
becomes more important.
1.0 GENERAL WARNINGS/INFORMATION
Gives useful tips, recommendations and information for efficient, trouble-free use.
CAUTION! Failure to heed the cautions in this manual may result in minor
injury or damage to your Matrx Seating product, or both.
WARNING! Failure to heed the warnings in this manual may result in
death, serious injury or damage.
IMPORTANT! Important information to remember during installation, set-up
and/or adjustment of you Matrx Seating product.
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WARNING! Risk of Death, Serious Injury or Damage
• Risk of severe injury when transporting the client within a wheelchair fitted with
an Invacare®Matrx®E2 Back in a motor vehicle.
TRANSPORTING THE CLIENT IN AMOTOR VEHICLE WITHIN AWHEELCHAIR FITTED
WITH AMATRX BACK
The following guidelines should be made available to all parties responsible for
the transportation of the client, such as schools and transport providers.
• Wherever practicable Motion Concepts recommends that the client is transferred
out of the wheelchair into a vehicle seat using a lap and diagonal seat belt or an
appropriate child safety seat.
• The following back supports have been dynamically tested and meet the
requirements of ISO 16840-4:2009, Wheelchair Seating- Part 4: Seating Systems
for Use in Motor Vehicles; and Section 20, ANSI/RESNA WC-4:2017, Wheelchair
Seating Systems for Use in Motor Vehicles:
◦Invacare®Matrx®E2S Back with Removable Hardware and Elan Headrest
◦Invacare®Matrx®E2S Back with Fixed Hardware and Elan Headrest
A forward facing frontal impact test was performed for each configuration using an
ISO/RESNA Surrogate Wheelchair Frame (SWCF) and a Hybrid III Midsize-Adult
Male Anthropomorphic Test Device (ATD). The SWCF was secured by a four-point,
strap type wheelchair tie-down and the ATD was restrained by a surrogate three-
point belt with a SWCF-Anchored Lap Belt.
• Invacare®Matrx®E2 Backs used to transport a client should be equipped with a
Headrest Support (i.e. restricted to back heights 14in (36cm) and higher); and
may only be used in conjunction with wheelchairs that comply with the performance
requirements of RESNA WC19 or ISO 7176–19.
• For safe transportation of a client within a wheelchair in a motor vehicle, refer
to the user manuals of the wheelchair and tie-down and occupant restraint system
(WTORS)- see additional information below.
2.1 TRANSPORTATION WARNINGS!
WHEELCHAIR TIE-DOWN & OCCUPANT RESTRAINT SYSTEM (WTORS)
• Wheelchair Tie-down: The wheelchair must be securely tied down within the
vehicle, in a forward facing position, in accordance with the wheelchair and tie-
down manufacturers instructions.
• Occupant Restraint : A suitable occupant restraint system must also be fitted in
accordance with the manufacturer’s instructions. A minimum is a lap and diagonal
2.0 SAFETY INFORMATION
BEFORE ENTERING THE VEHICLE CHECK THE FOLLOWING:
The Matrx Back must be securely fastened into the wheelchair as described in
the user manual.
Posture Belts & Harnesses should remain fitted during transportation, although
they are designed to provide postural support only, they are NOT intended for
safety during transportation.
A Head Support should be securely fitted and correctly adjusted close to the rear
of the client’s head during transportation, to reduce the risk of whiplash injuries.

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IMPORTANT! If the wheelchair and Invacare®Matrx®E2 Back is transported
unoccupied, the wheelchair should be tied down with suitable equipment according to
the manufacturer’s instructions. If the equipment is dismantled for transportation,
ensure that all parts are secured safely within the vehicle.
WARNING! Risk of Serious Injury
When establishing the mounting position for the Invacare®Matrx®Back, ensure
the stability of the wheelchair is not compromised. Adjusting the forward and aft
position and/or angle of the backrest will alter the user’s center of gravity within
the wheelchair. It may be necessary to reposition the front casters, rear wheels,
back angle, tilt-in-space, recline position and/or seat depth before use.
WARNING! Risk of Serious Injury or Damage
• The procedures in this manual should be performed by a qualified technician
• The hardware provided is high strength and tested for durability. Do Not substitute
hardware. Use only the original hardware supplied with your Matrx back
• Attaching hardware that is loosely secured could cause loss of stability resulting
in serious injury or damage.
• After ANY adjustments, repair or service and before use, make sure that all
attaching hardware is tightened securely.
• DO NOT install the Invacare®Matrx®back assembly onto back canes with an
outside diameter greater than 1” (25mm) or less than 3/4” (19mm). Otherwise,
injury or damage may occur.
• For power seating applications, the Fixed Mounting Hardware must be used.
WARNING! Risk of Injury
Invacare®Matrx®products are specifically designed and manufactured for use
in conjunction with Invacare®Matrx®accessories. Accessories designed by other
manufacturers have not been tested by Motion Concepts and are not recommended.
WARNING Risk of Injury
Skin condition should be checked very frequently after the installation of any
new seating system. Working with your therapist, physician and service provider
is the best way to assure that a seating choice meets your individual needs.
2.2 GENERAL SAFETY AND INSTALLATION WARNINGS!
WARNING! Risk of Death, Serious Injury, or Damage
Lighted cigarettes dropped onto an upholstered seating system can cause a fire
resulting in death, serious injury or damage. Wheelchair occupants are at particular
risk of death or serious injury from these fires and resulting fumes because they
may not have the ability to move away from the wheelchair.
•DO NOT smoke while using this wheelchair
belt (lap belts on their own are not suitable). Restraints that loop over the shoulder
and anchor to the vehicle floor should be avoided where possible, as they can
cause a heavy downward load through the client during an impact, the preferred
type anchor above and behind the shoulder as with a car seat belt. The lap section
of the belt should fit snugly over the pelvis of the client and should not be able to
ride up to the abdominal area. The upper torso section of belt should be in contact
with the client’s chest and fit over the shoulder(s), while not cutting into the neck
or slipping off the shoulder(s).

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IMPORTANT! The installation and set-up of the Matrx E2S/E2D Back MUST be
performed by a Qualified Technician and/or Healthcare Provider.
3.0 MATRX E2 BACK INSTALLATION
3.1 MATRX E2 BACK INSTALLATION & SET-UP
The type of mounting hardware required will vary depending on several factors,
including the needs of the end user, the type of wheelchair being used, and the height
of the Matrx E2 back shell being installed. E2 Back heights of 16” (41cm) or greater
require our EasySet Hardware (PBMH). E2 Back heights less than 16” (41cm) utilize
our MiniSet Hardware (MSMH). ‘Fixed’ or ‘Removable’ mounting hardware options
are available for both the EasySet and MiniSet hardware.
Note: Our Removable hardware (for EasySet/MiniSet) and our Fixed EasySet hardware
can be installed onto back canes that are up to 2” (51mm) wider or 1” (25mm)
narrower than the nominal back width. Our Fixed MiniSet hardware can be installed
onto back canes that are up to 1” (25mm) wider or 1” (25mm) narrower than the
nominal back width.
4.2 CLEANING AND DISINFECTION:
4.1 INSPECTION AND MAINTENANCE
Weekly: Inspect ALL fasteners weekly to ensure that mechanical connections
and attaching hardware are tightened securely.
Monthly: Perform a visual inspection of parts including hardware, brackets,
upholstery materials, foam, and plastics for deformation, corrosion, breakage,
wear or compression. Replace damaged/worn components if necessary.
4.0 CARE AND MAINTENANCE
WARNING! Risk of injury or damage
• Do not continue to use this product if problems or damage are discovered;
• Corrective maintenance can be performed at or arranged through your service
provider
WARNING! Risk of damage
To avoid infectious exposure, inspect cushion thoroughly and properly clean
and disinfect any materials soiled with blood or other bodily fluids.
CAUTION! Risk of damage
• DO NOT use cleaning and disinfecting agents with abrasive, staining, or
polymer-damaging properties such as phenols, alcohols, or bleaches. Chlorine
solutions used even in low concentrations on a regular basis can diminish the
life of the cover.
• Chosen cleaning agents and disinfectants must be compatible with one another
in order to effectively protect the materials on which they are applied.
• Keep clear of open heat sources during cleaning.
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GENERAL CLEANING:
Outer Cover
• The knitted fabric side of the E2 cover can be wiped with a damp absorbent towel,
cloth, or paper towel. Remove all gross contamination from surface (i.e. food particles,
urine, feces, blood). Spot-clean with mild soap and water.
Back Shell/Hardware:
• The back shell and hardware/components can be wiped clean with soap and
water as necessary.
LAUNDERING THE OUTER COVER:
IMPORTANT! The E2 outer cover MUST be removed from the inner foam
cushion PRIOR to laundering. (Note: Do Not Dry Clean, Do Not Bleach).
IMPORTANT! Adequate drying is a crucial factor in the care and maintenance
of the covers. The covers should be dried completely prior to use on the cushion.
Air drying of covers is recommended.
Machine Wash or Hand-Wash:
• Remove the E2 cushion cover by releasing the velcro hook & loop fasteners along
the top, bottom and inside of the back shell.
• Carefully remove the E2 cover from the inner foam cushion.
• The E2 (Meshtex fabric) outer covers can be hand washed or machine-washed
in warm water not higher than 60°C (140°F), on a delicate cycle. with neutral detergents
such as Tide or Persil.
• To avoid possible damage, ensure the cover does not come in contact with any
other sharp garment accessories during laundering.
CLEANING AND DISINFECTION INSTRUCTIONS:(for Protect Slipcover (Optional))
For Matrx E2 backs fitted with our optional infection control Protect Slipcover, the
coated side of the cover can be cleaned and disinfected with ready-to-use disinfecting
wipes 3M, Virox Accel TB, Accel Prevention, PREempt, OPTIM 33 TB, or other wipes
with similar formulations. Note that the surface should be cleaned first, with all gross
contamination (i.e. urine, feces, blood) first removed with absorbent material (cloth or
paper towel). Ensure the coated surface of the cover is clean by wiping with one of 2-in-1
cleaning and disinfecting wipes mentioned above.
To disinfect, liberally wipe the surface with the ready-to-use disinfecting wipe again. Avoid
pooling of the disinfectant and ensure the disinfectant is distributed equally over the cover
surface. Wipe dry after recommended dwell time (refer to each disinfecting products
manufacturing instructions). It is best practice to wipe the surface with a damp cloth, mild
soap, and finally a damp cloth no matter what disinfectant is used.
Drying:
• DO NOT WRING OUT fabric. Hang to dry on a towel-covered wood hanger
and drip dry to minimize wrinkling.
• Alternatively, covers may be tumble-dried on a low/cool setting. Cushion covers
should not be ironed or pressed.

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4.4 DISPOSAL
5.0 WARRANTY INFORMATION
The disposal and recycling of used devices and packaging must comply with the
applicable local legal regulations.
Ensure that the cushion is cleaned prior to disposal to avoid any risk of contamination.
This product is suitable for re-use. The outer cover (fabric and foam), back shell
and mounting hardware must be inspected by a qualified dealer or healthcare
professional before re-use.
WARNING! Risk of Injury
• Always have an authorized dealer inspect the product for damage or wear PRIOR to
transferring the product to a different user. If any damage is found, DO NOT RE-USE
this product. Failure to heed these warnings may result in severe injury.
• PRIOR to reuse, clean and disinfect the product thoroughly, per section 4.2
Cleaning & Disinfection, and in accordance with local government regulations.
4.3 REUSE/RECYCLING
Polyurethane (PU) coated fabrics can absorb liquids for short periods causing a
temporary change to the PU characteristics. The wet cover is more vulnerable to
physical damage and should not be used until fully dried.
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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/user of our products. This warranty gives you
specific legal rights and you may also have other legal rights which vary from state to state. Invacare/
Motion Concepts warrants this product to be free from defects in materials and workmanship for two
years of use by original purchaser. This warranty does not apply to punctures, tears or burns, nor to
the removable cushion cover. If within such warranty period any such product shall be proven to be
defective, such product shall be repaired or replaced, at Invacare’s/Motion Concepts’ option, with
refurbished or new parts. This warranty does not include any labor or shipping charges incurred in
replacement part installation or repair of any such product. Product repairs shall not extend this warranty-
coverage for repaired product shall end when this limited warranty terminates. Invacare’s/Motion
Concepts’ sole obligation and your exclusive remedy under this warranty shall be limited to such
repair and/or replacment. For warranty service, please contact the dealer from whom you purchased
your Invacare/Motion Concepts product. In the event you do not receive satisfactory warranty service,
please write directly to Invacare/Motion Concepts at the address on the back cover. Provide dealer’s
name, address, model number, the date of purchase, indicate nature of the defect and, if the product
is serialized, indicate the serial number.
Invacare Corporation/Motion Concepts 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 (30) days of return authorization date.
DO NOT return products to our factory without our prior consent. C.O.D. shipments will be refused;
please prepay shipping charges.

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WARRANTY (...cont’d)
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 BEEN REMOVED OR DEFACED; PRODUCTS
SUBJECTED TO NEGLIGENCE, ACCIDENT, IMPROPER OPERATION, MAINTENANCE OR
STORAGE; OR PRODUCTS MODIFIED WITHOUT INVACARE’S/MOTION CONCEPTS’ EXPRESS
WRITTEN CONSENT INCLUDING, BUT NOT LIMITED TO: MODIFICATION THROUGH THE USE
OF UNAUTHORIZED PARTS OR ATTACHMENTS: PRODUCTS DAMAGED BY REASON OF REPAIRS
MADE TO ANY COMPONENT WITHOUT THE SPECIFIC CONSENT OF INVACARE/MOTION
CONCEPTS; PRODUCTS DAMAGED BY CIRCUMSTANCES BEYOND INVACARE’S/MOTION
CONCEPTS’ CONTROL; PRODUCTS REPAIRED BY ANYONE OTHER THAN AN INVACARE/
MOTION CONCEPTS DEALER, SUCH EVALUATION SHALL BE SOLELY DETERMINED BY INVACARE/
MOTION CONCEPTS.
THE FOREGOING WARRANTY IS EXCLUSIVE AND IN LIEU OF ALL OTHER EXPRESS WARRANTIES,
IF ANY, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE. IT SHALL NOT EXTEND BEYOND THE DURATION OF THE EXPRESSED
WARRANTY PROVIDED HEREIN AND THE REMEDY FOR VIOLATIONS OF ANY IMPLIED WARRANTY
SHALL BE LIMITED TO REPAIR OR REPLACEMENT OF THE DEFECTIVE PRODUCT PURSUANT TO
THE TERMS CONTAINED HEREIN. INVACARE/MOTION CONCEPTS SHALL NOT BE LIABLE FOR
ANY CONSEQUENTIAL OR INCIDENTAL DAMAGES WHATSOEVER. THIS WARRANTY SHALL BE
EXTENDED TO COMPLY WITH STATE/PROVINCIAL LAWS AND REQUIREMENTS.

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6.0 E2 BACK ACCESSORIES
6.1 E2 HEADREST INTERFACE PLATE
The E2 Headrest Interface Plate (A) is included only with E2 Backs for Back Heights
ranging from 14” (36cm) up to 20” (51cm). The E2 headrest interface is compat-
ible with most industry standard headrest mounting hardware, including our Matrx
Elan Headrest Hardware (sold separately). The headrest interface plate installs directly
onto the E2S/E2D back shell using the hardware provided*.
A
headrest
mounting hardware
(sold separately)
*NOTE: Headrest mounting hardware must
be installed onto the E2 Interface Plate
PRIOR to installation onto the back shell
6.2 E2 LUMBAR SUPPORT
The E2 Lumbar Support (A) is included with ALL Matrx E2 Backs. The Lumbar
Support is a pre-fabricated foam insert that provides optional lower back support
for improved positioning and comfort. The lumbar support may be installed inside
the Matrx E2S/E2D cover when desired (see instructions/images below).
To install the Lumbar Support:
1. Open the outer cover at the bottom rear of the back shell (via the hook and
loop fastener).
2. Install the lumbar support inside the E2 back cover (behind the existing foam pad),
as illustrated below.
3. Refasten the outer cover onto the back shell.
Lumbar Support
(front/face)
Elite E2D Back shown
A