Prism Healthcare smirthwaite Asiento User manual

1 | P a g e
User Manual
Asiento
999-1-57 –REV B

2
CONTENTS
1.0 Safety Instructions and Warnings .........................................................................................................................4
1.1 Introduction.......................................................................................................................................................4
1.2 Manufacture ......................................................................................................................................................4
1.3 European Authorised Representative...............................................................................................................4
1.4 Symbols Used...................................................................................................................................................5
1.5 Contraindications/Limitations ............................................................................................................................6
1.6 Intended Use....................................................................................................................................................6
1.6.1 Intended User............................................................................................................................................6
1.6.2 Frequency of use:......................................................................................................................................6
1.7 Chair Operating Environment............................................................................................................................7
1.7.1 Vicinity to Other Equipment.......................................................................................................................7
1.8 Incident Reporting.............................................................................................................................................7
1.9 Additional Warnings and Safety Notices...........................................................................................................7
2.0 Components/Key Parts .......................................................................................................................................10
2.1 Key Parts.........................................................................................................................................................10
2.2 Configurations.................................................................................................................................................11
2.3 Packaging........................................................................................................................................................11
2.3.1 Unboxing .................................................................................................................................................11
3.0 Installation..........................................................................................................................................................12
3.1 Standard Features...........................................................................................................................................12
3.2 Adjustments.....................................................................................................................................................13
3.2.1 Back Rest Height/Depth..........................................................................................................................13
3.2.2 Back Support Angle.................................................................................................................................13
3.2.3 Lateral Positioning...................................................................................................................................14
3.2.4 Sacral Pad Positioning............................................................................................................................15
3.2.5 Seat Height Adjustment & Tilt in Space Operation .................................................................................15
3.2.6 Seat Depth Adjustment ...........................................................................................................................16
3.2.7 Hip Guide Adjustment .............................................................................................................................16
3.2.8 Dynamic Back .........................................................................................................................................17
3.2.9 Dynamic Back Pressure..........................................................................................................................17
3.2.10 Leg Rest Angle........................................................................................................................................18
3.2.11 Leg Rest Height.......................................................................................................................................18
3.2.12 Leg Width and Wind Sweeping...............................................................................................................18
3.2.13 Knee Cushion Swing Away.....................................................................................................................19
3.2.14 Foot Rest Angle.......................................................................................................................................19
3.2.15 Tray Height & Angle................................................................................................................................20
3.2.16 Tray Removal and Depth ........................................................................................................................20
3.2.17 Armrest Position......................................................................................................................................20
3.2.18 Armrest Height/ Angle Indicators ............................................................................................................21
3.2.19 Armrest Removal.....................................................................................................................................21

3
CONTENTS
4.0 Compatible Accessories......................................................................................................................................22
4.1 Installing and Removing Accessories .............................................................................................................22
4.1.1 Pelvic Lap Strap ......................................................................................................................................22
4.1.2 Harnesses ...............................................................................................................................................23
5.0 Operating Instructions.........................................................................................................................................25
5.1 Manoeuvring the Chair....................................................................................................................................25
5.2 Brakes .............................................................................................................................................................25
5.3 Pelvic Lap Strap Buckle ..................................................................................................................................26
6.0 Technical Specification .......................................................................................................................................26
6.1 Chair Specification ..........................................................................................................................................26
7.0 Environmental - Storage and Operating Conditions ...........................................................................................29
7.1.1 Normal operating conditions ...................................................................................................................29
7.1.2 Shipping and storage conditions.............................................................................................................29
8.0 Disposal...............................................................................................................................................................30
9.0 Fault Finding........................................................................................................................................................31
10.0 General Inspection and Maintenance .................................................................................................................32
10.1 Service ........................................................................................................................................................32
10.2 Nominal Service ..........................................................................................................................................32
10.3 Extending Nominal Service Life ..................................................................................................................32
10.4 User Serviceable Parts................................................................................................................................33
10.5 Documentation/ Records.............................................................................................................................33
10.6 Daily Checks (Inspection) - To Be Completed By User..............................................................................34
10.7 Cleaning ......................................................................................................................................................36
10.7.1 General cleaning.....................................................................................................................................36
10.8 Final Inspection ...........................................................................................................................................36
11.0 Warranty..............................................................................................................................................................37
12.0 Continuous improvement ....................................................................................................................................37
13.0 Service Record History .......................................................................................................................................38
13.1.1 Product Information.................................................................................................................................38
13.1.2 Service & inspection record form: ...........................................................................................................38

4
SAFETY INSTRUCTIONS AND WARNINGS
1.0 SAFETY INSTRUCTIONS AND WARNINGS
1.1 Introduction
The information in this manual is important to your safety.
Please read and understand this manual in its entirety before using your Asiento chair.
If you require larger print or videos –these are available on the Smirthwaite website:
www.smirthwaite.co.uk/product/Asiento/
The information in this manual is important for the safety of anyone near the Asiento chair and
must be read and understood to help prevent injuries. It is also crucial to the proper operation and
maintenance of the Asiento chair.
Store this manual with the documents included with the chair. The Asiento chair is designed to be
used in conjunction with approved accessories. Please refer to any user guides supplied with
these components while reviewing this manual.
Contents of this manual are subject to change without prior notice.
Unauthorised modifications on any Smirthwaite product may affect its safety. The
manufacturer will not be held responsible for any accident, incident or deficiencies of
performance that occur as a result of any unauthorised modification to its products.
1.2 Manufacture
The chair is manufactured at the address below:
Smirthwaite
16 Wentworth Road Heathfield, Newton Abbot TQ12 6TL
Telephone number: 01626 835552
1.3 European Authorised Representative
The address of the European Authorised Representative for this product:
European Healthcare & Device Solutions (Ireland) Ltd.
Stratton House, Bishopstown Road,
Cork, Ireland.
T12 Y9TC.
Telephone number: [phone]

5
SAFETY INSTRUCTIONS AND WARNINGS
1.4 Symbols Used
The Table below includes all Symbols from BS EN ISO 15223-1:2021 that can be found in this
Manual and on the Product and what they represent. Refer back to this Table when you are
unsure of what a symbol represents.
Place of Manufacture
Country of Manufacture
Serial number
Catalogue number
Medical Device
CE Marking
European Authorised
Representative
Safe Working Load
For internal use only
Packaging indicator –
Keep dry
Do not use if package
is damaged
Packaging indicator –
This way up
Fragile, handle with
care
Please observe local laws
on recycling
Non-sterile
Degree of protection
provided by enclosure.
Temperature range
Humidity range
Atmospheric pressure
limitation
Consult instructions for
use
Caution –see
instructions for use
UK

6
SAFETY INSTRUCTIONS AND WARNINGS
1.5 Contraindications/Limitations
There are no known “contraindications” associated with the usage of
the Asiento chair and its accessories, provided they are used as per
manufacturer’s recommendations and guidelines.
Smirthwaite Ltd. does not recommend a required number of care
givers for the use of our products. This information and
recommendation can only be provided after a thorough personalized,
case specific assessment, as there are many factors that can
influence these decisions.
Limitations of the chair include:
•The chair should only be operated by competent and trained
persons.
•The chair should only be used with patients weighing under the safe working load of the hoist.
•Between the chair and other accessories, the lowest safe working load of the components
should not be exceeded.
•The chair is only to be used within the environment it is installed into. The chair must only be
relocated by an authorised person.
•The chair is only compatible with the allocated accessories found within this manual.
•The chair is designed for human transfer only. There is no other application to this product.
•The operator of the chair must always be pay attention to the well-being of the patient.
•Patients should not be left unsupervised during operation.
•The chair is not designed for self-adjustment. A carer must operate the chair during use.
1.6 Intended Use
For internal use only.
Intended to provide postural support.
1.6.1 Intended User
The Asiento has been designed specifically for children, teenagers and adults with moderate to
complex needs. Caregivers include carers, therapist, and/or teaching staff who will maintain and
clean the chair as per the recommended guidelines in section ‘Cleaning’. Under their care, they
will be responsible for helping the user in and out of the seat and their safety when sitting in the
Asiento.
The Asiento (size 1 and 2) has a maximum weight limit of 80kg, the Asiento size 3 has a
maximum weight limit of 120kg, this load must not be exceeded.
The Asiento is designed to be checked and adjusted by a therapist to ensure the user is seated
correctly.
1.6.2 Frequency of use:
The Asiento can be used without any frequency restrictions.

7
SAFETY INSTRUCTIONS AND WARNINGS
1.7 Chair Operating Environment
The Asiento chair is suitable for use within the professional health care facility environment as well
as the home health care environment.
The chair is not intended to be used in environments where there are rapid changes in the
environmental temperature and humidity during intended use.
Based on research conducted during the concept stage, the following statements apply.
The Asiento is intended for indoor use only, the normal operating conditions are as follows:
A. Temperature: 41°F to 86°F (+5°C to 40°C)
B. Relative Humidity: 15 to 90%, non-condensing, but not requiring a water vapour pressure
greater than 50hPa.
C. Atmospheric Pressure: 700hPa to 1060hPa.
D. Ambient luminance 50 –500 lux.
E. Viewing distance: 0 metre to 1.5 metre
1.7.1 Vicinity to Other Equipment
Use of this equipment stacked with other equipment should be avoided, unless the equipment is
an approved accessory.
Contact your local authorised dealer if assistance is required –contact details on the last page of
this manual.
1.8 Incident Reporting
If, during the use of this device or as a result of its use a serious incident has occurred, please
report it to the manufacturer and the competent authority of the member state in which the user
and/or patient is established.
1.9 Additional Warnings & Safety Notices
Your Asiento has been manufactured and tested to exceed BS EN 21856:2022. This does not
mean that it can be used without care. ALL OPERATORS should have read the operating
instructions and appreciate this warning section.
•The user should NOT be left unattended whilst in the chair. Always ensure a responsible
therapist or carer is in attendance.
•If you believe the chair or any fitted accessory to be faulty at any time, DO NOT USE –
contact Smirthwaite Ltd. by telephone on [phone].
•The therapist should be familiar with the methods of adjustment and have completed all
adjustments appropriately to meet the needs of the user before transferring the user onto
the chair.

8
SAFETY INSTRUCTIONS AND WARNINGS
•The chair is ONLY to be used indoors on a flat level surface.
•The chair should only be transported at minimum height when the user is in the chair.
•Do not exceed user maximum weight limits.
•Always fasten the pelvic strap and any other straps provided with the chair.
•Always keep this product away from naked flames, cigarettes and sources of heat including
open fireplaces, radiators, heaters.
•DO NOT fit parts or accessories of other manufacturers to this product unless authorised to
do so in writing by Smirthwaite Ltd. Failure to follow these instructions will not only
invalidate the guarantee but could make the chair dangerous to use.
•Smirthwaite Ltd will not accept liability for any injury or damage incurred through such
malpractices. Any repairs required must be carried out by Smirthwaite Ltd authorised
personnel.
•Lap straps and harnesses must be appropriate and safe for the user and the users clothing.
Lap straps and harnesses must be checked every time the chair is used to ensure they are
fitted as prescribed by the clinician, take account of the users clothing and are tightened so
that the user cannot sustain injury. Checking the fit of lap straps and harnesses must be
done with the user in the chair and should be undertaken as soon as the users sits in the
chair.
•A risk assessment must be performed before using any manufactured chair, to ensure safe
use can be established.
•The chair is intended to be installed on a flat and levelled surface prior to use.
•All chairs are less stable on sloping surfaces. A 5-degree slope is the maximum permitted.
•All chairs are dangerous to the person being transferred when used recklessly or pushed at
speed.
•All chairs are less stable when the load is moving.
•The chair must be installed only by persons authorized by Smirthwaite or who have the
rights to install and commission the chair safe for use.
•Under no circumstance should the chair be put in control of a person who has not been
properly trained in the use and care of this equipment. Failure to adhere to this warning
may result in serious injury to the operator and/or the individual being transferred.
•The chair, and its accessories (including harnesses) are not toys. Do not use it for unsafe
practices. Do not allow children to play with the chair or any of its components. The chair
should not be used for any practice except its intended use.

9
SAFETY INSTRUCTIONS AND WARNINGS
•In facilities where more than one operator will be responsible for using the chair, it is
imperative that all such members be trained on the chair prior to use. A training program
should be established by the facility to acquaint new operators with this equipment.
•To maintain optimum function, the chair should be inspected and maintained on a regular
basis. See section ‘General Inspection, Maintenance and Cleaning’ within this user manual.
•The chair and its accessories are intended only for seating of a person. Smirthwaite will not
be responsible for any damage caused by the misuse, neglect or purposeful destruction of
the unit, and/or its associated components.
•In areas where children are prone to be present, be vigilant during use.
•Any accessories used with the chair including the harness, should be checked to ensure
that they are in good working order. Check for signs of wear to each component prior to
use. Report any unusual wear to your local authorized dealer.
•The chair and its associated parts are certified to a maximum load of 80kg. Do not exceed
the maximum rated load of any of the components.
•Ensure that a clear space is maintained around the chair. Before use, check for and move
all obstacles out of the way.
•Protecting the people present, visually monitor the harness (if applicable) to ensure the user
is safe, always be vigilant of the user when there is no harness supporting them.
•To reduce the risk of unintended use, when the chair is not in use remove the harness from
the product to prevent entrapment or strangulation should the device be tampered with.
•Between chair and any accessory used with it, the lowest maximum load shall always be
used.

10
COMPONENTS/ KEY PARTS
2.0 COMPONENTS/KEY PARTS
2.1 Key Parts
When delivered, the chair will be supplied fully assembled except for the attachment of any special
accessories ordered. Export orders may require the chair to be fully assembled, if in any doubt,
always seek advice. Always turn hand wheels, levers and screws clockwise to tighten or anti-
clockwise to loosen. Conveniently packaged in a single box the following components are included
with your new Asiento chair.
Please see above to familiarise yourself with the components of the Asiento chair. The image
above shows the key components of the Asiento chair. More accessories are available and these
can be located on our Smirthwaite Ltd. Website.
If you have not received all the components, contact your local Smirthwaite dealer immediately –
contact details are provided on the last page of this manual.
If your order has been supplied as a custom kit, please ensure you follow both the instructions
documented in this document and any additional instructions supplied. Please take note of any
instructions on the packaging/box when unpacking. Once the chair has been carefully unpacked,
please check all parts.
Item
Description
1
Base
2
Seat
3
Backrest
4
Lumbar Support
5
Multi-Adjust Headrest
6
Armrests
7
Shoulder Protractors
8
Swing Away Laterals
9
Quick Release Tray
10
Hip Guides
11
Abductor Pad
12
Adductor Pad
13
Multi-Positional Leg Rest
9
5
3
Direction of Travel
Table 1
7
8
6
4
1
2
10
11
12
13

11
COMPONENTS/ KEY PARTS
2.2 Configurations
Smirthwaite Ltd. will document and maintain a record of the original product configuration at the
time of first sale. Smirthwaite Ltd. will not be held responsible for any subsequent changes to this
configuration unless authorized to do so in writing by Smirthwaite Ltd.
It is the owner’s responsibility to maintain their own records of changes to the equipment
configuration and to be able to provide such records to subsequent owners to maintain traceability.
We recommend an inspection/service by a Smirthwaite Ltd. Service Engineer (or Smirthwaite Ltd.
trained engineer) whenever a significant change is made to product configuration to ensure the
product is safe to use. If in any doubt, ALWAYS seek ADVICE.
2.3 Packaging
The Asiento chair will arrive to you in a robust box, please be careful when removing the
components from the box. Please read the user guide in full before operating.
When lifting the Asiento chair, a two-person lift is required.
This user manual should be kept safe for future reference.
The chair has been specifically designed to be installed in both the professional and home health
care environments.
No matter the environment, health and safety factors should be considered to ensure the safety
and essential performance of the chair and to avoid unnecessary damage or injuries to people
within the area of the chair.
The environment in which the chair is situated in, whilst carrying out a transfer, is required to be on
a flat surface with no steep inclines.
2.3.1 Unboxing
When using a sharp knife, be careful not to damage the product.
This section will summarise the layout of the chair packaging and what is included in the box. It is
recommended a knife is used for smoother unpacking of the chair. The chair is packed into a
single box with dimensions of (1200x800x1300) weighing approximately 60kg.
Using a knife to release the top lid of the box, the box should open, and the internal packaging
must be removed to access the product. It will include all the following components.
1. Fully Assembled Asiento chair
2. User Manual

12
INSTALLATION
3.0 INSTALLATION
When delivered, the chair will be supplied fully assembled except for
the attachment of any special accessories ordered. Always turn
hand wheels, levers and screws clockwise to tighten or anti-
clockwise to loosen.
3.1 Standard Features
The Asiento chair comes with a variety of standard features. These features and part codes are
listed below
Standard Features
Size 1
Code
Size 2
Code
Size 3
Code
Swing Away Laterals
AS003
AS003
AS003
Push Bar Handle
AS004
AS004
AS004
Removable Multi-Adjust Armrests
AS005
AS005
AS005
Sacral Pad
AS012
AS013
AS006
Pelvic Pads
AS007
AS007
AS007
Adduction Pads
AS010
AS010
AS010
Abduction Pads
AS011
AS011
AS011
Tray
AS014
AS008
AS008
Footrest
AS015
AS016
MY002
Body Point Stayllex Harness
AT001
AT001
AT002
Table 2

13
INSTALLATION
3.2 Adjustments
The Asiento has components that are adjustable to your requirements. See the instructions below
on how to adjust these components correctly. If you are unsure of any process, do not continue
and seek advice.
3.2.1 Back Rest Height/Depth
To adjust the back rest height, Using a
4mm Allen Key release the four screws
located on the back of the chair as seen in
the Fig. 1 (highlighted in yellow).
Once released, you can move the backrest
up and down, and also adjust the angle
and depth of the back rest too.
3.2.2 Back Support
Angle
To adjust the back rest angle, release
the plunger pin on the back of the
chair as seen in the Fig. 2
(highlighted in yellow).
Once released, you can change the
back rest angle to the desired
position in 7 degree increments.
Fig. 1
Fig. 2

14
INSTALLATION
3.2.3 Lateral Positioning
To adjust the laterals in height and width,
locate the hand wheels on the back of the
chair and release. Once released you can
move the laterals to the position desired.
Please see Fig. 3 (highlighted in yellow).
To release the lateral swing away
mechanism, release the plunger pin located
on the top of the lateral by pulling up, this
will allow them to swing away, please see
in Fig. 4 (highlighted in yellow).
Fig. 3
Fig. 4

15
INSTALLATION
3.2.4 Sacral Pad Positioning
Adjusting the sacral pad position will
require the use of a 4mm hex key.
To adjust the sacral pad, release the two
bolts behind the pad, they are positioned
either side of the mount, see Fig. 5
(highlighted in yellow).
Fig. 5
3.2.5 Seat Height Adjustment
& Tilt in Space Operation
To adjust the seat height, locate the
handset which is located on the back of the
chair, see Fig. 6 (highlighted in yellow).
Once located use the up and down buttons
to position the seat to the desired height.
CAUTION - Ensure the footrest is raised
when lowering the chair.
To tilt the chair backward and forward, use
the tilt in space buttons located on the
handset.
Fig. 6

16
INSTALLATION
3.2.6 Seat Depth Adjustment
To adjust the seat depth, locate the hand
wheels located underneath the seat, see
Fig. 7 (highlighted in yellow). Once located
release the hand wheels and move the
seat forward or back to the desired
position. CAUTION - Ensure the footrest is
raised when lowering the chair.
Fig. 7
3.2.7 Hip Guide Adjustment
To adjust the hip guides locate them on
either side of the seat base, release the
plunger pin, see Fig. 8 (highlighted in
yellow).
Position the hip guides and release the
pins to lock in place.
Fig. 8

17
INSTALLATION
3.2.8 Dynamic Back
To operate the dynamic back system, locate the
shock absorber located at the rear of the chair.
See Error! Reference source not found.9
(highlighted in yellow). Once located, you can
choose to have the shock absorber ‘locked’ or
‘unlocked’. To unlock the dynamic back system,
turn the lever to the unlocked setting. To lock the
system, turn the lever to the locked position.
3.2.9 Dynamic Back
Pressure
To alter the pressure in the dynamic back
system, locate and remove the valve cap
on the shock absorber, see 10 (highlighted
in yellow).
Attach the hose end of the pump, see
Error! Reference source not found.11
(highlighted in yellow), and secure it to the
exposed valve.
Use the pump to increase the pressure in
the system. To decrease the pressure,
press the red button on the pump, see
Error! Reference source not found.11
(highlighted in red).
Once desired pressure is achieved,
remove the pump and reattach the valve
cap.
Fig. 9
Fig. 10
Fig. 11

18
INSTALLATION
3.2.10 Leg Rest Angle
To adjust the leg rest angle, locate the
lever locks under the seat, see Fig.
92 (highlighted in yellow), which shows the
chair from front to back. Release the lever
locks and leg rests to the desired angle,
once in place tighten the lever locks.
Fig. 92
3.2.11 Leg Rest Height
To adjust the leg rest heights, locate the plunger
pin on the rear of the leg rest, see Fig. 103
(highlighted in yellow). Pull the pin and move the
leg rest to the desired position, once in the
desired location ensure the pin locks back into a
location hole.
Fig. 103
3.2.12 Leg Width &
Wind Sweeping
To adjust the leg rests width and position for
wind sweeping release the four screws at the
front of the chair, located underneath. See
Fig.14 (highlighted in yellow). Move the leg rest
and knee pads to the desired position and
tighten the screws.
Fig. 14

19
INSTALLATION
3.2.13 Knee Cushion
Swing Away
To swing away the knee cushions, locate
the plunger pin on the side of the relevant
knee cushion (see Fig. 115). Pull the
plunger pin and rotate the knee cushion
underneath the seat base.
Fig. 115
3.2.14Foot Rest Angle
To adjust the foot rest angle, locate the
hand wheels shown in Fig. 126 (highlighted
in yellow). Loosen the hand wheels far
enough so that the foot rests rotate. Move
to the desired position and tighten the hand
wheels to set in place. The footrest can be
easily flipped up, without loosening the
hand wheels.
Fig. 126

20
INSTALLATION
3.2.15 Tray Height & Angle
To adjust the tray height and angle, locate
the bolts on both sides of the chair as
shown in Error! Reference source not
found.7 (highlighted in yellow). Once
located release the bolts, using a 4mm hex
key, and move the tray to the desired
height and/or angle. To change the tray
angle without changing the height, release
the top bolt only. Once in the desired
position secure by re-tightening the bolts.
3.2.16 Tray Removal & Depth
To change the tray depth, locate the small
hand wheels on top of the tray assembly, see
Error! Reference source not found.18
(highlighted in yellow). Once located, release
and push or pull the tray to the desired
depth. Once in position, lock the tray in place
by tightening the hand wheels. To remove
the tray, simply repeat the first instructions
and pull the tray all the way out of the
location clamps.
3.2.17 Armrest Position
To adjust the height and angle of the
armrest, locate the two hand wheels on the
outside of the chair, see Error! Reference
source not found.19 (highlighted in
yellow). Once located, release the hand
wheels far enough so that the armrest
slides up and down and moves in angle.
Once the desired position is achieved lock
off the hand wheels.
Fig. 17
Fig. 18
Fig. 19