HPM Tourniquet 800-20 User manual

Manual Hpm™ Tourniquet
800-20 & 800-40
English

IFU EN T800, Rev 09/2016-07-07, art.no. 8004007

IFU EN T800, Rev 09/2016-07-07, art.no. 8004007
TABLE OF CONTENTS
1 INTRODUCTION 1
1.1 INTENDED CLINICAL USE 1
1.2 USER MANUAL 2
1.3 MANUFACTURER 2
1.4 WARRANTY 2
1.5 COPYRIGHTS 3
1.6 CUSTOMER SERVICE 3
1.7 CE LABELING 3
1.8 TOURNIQUET FRONT VIEW 4
1.9 TOURNIQUET REAR VIEW 4
1.10 LABEL 5
1.11 SHIPPING,PACKAGING AND STORAGE 5
1.12 OPERATOR PROFILE 6
2 TOURNIQUET START UP 7
2.1 BEFORE TAKING IN USE 7
2.2 AC POWER CONNECTIONS 7
2.3 PROCEDURE OPTIONS 8
2.4 UNIT START UP 8
2.5 ICONES USED 9
2.6 FRONT PANEL WITH INFLATED CUFF 10
2.7 FRONT PANEL DURING ALARM 10
3 OPTIONS 11
3.1 SETTINGS 11
3.1.1 INFORMATION 11
3.1.2 TIMER 11
3.1.3 SELF TEST 11
3.1.4 PRINT 11
3.1.5 LANGUAGE 11
3.1.6 SETTINGS 12
3.1.7 SERVICE 12
3.1.8 DATE &TIME 12
3.1.9 VOLUME 12
3.2 PSET 12
3.3 ACCURANCY OF THE PRESSURE 13
3.4 INFLATE/DEFLATE CUFF IN NORMAL MODE 13
3.5 TIMER 13
3.6 IVRA OVERVIEW 14
3.7 CHOICES OF IVRA DURING OPERATION 15
3.8 CHANGE DEFAULT PRESSURES 15

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4 ALARM 16
4.1 ALARM SYSTEM 16
4.2 THE AUTOMATIC ALARM SAFETY MECHANISM 16
4.3 ALARM PRIORITY 16
4.4 ALARM RESET 16
4.5 COMMON ALARM MESSAGES 17
5 BATTERY FUNCTION 19
6 CARE AND MAINTENANCE 19
7 DATA LOG 20
8 TECHNICAL SPECIFICATIONS 20
9 ACCESSORIES 21
10 APPENDIX EMC GUIDANCE 21

IFU EN T800, Rev 09/2016-07-07, art.no. 8004007
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1 Introduction
Hpm™Tourniquet 800-20 and 800-40 contains a micro-processor which monitors the
tourniquet to act as a single cuff or as a double cuff in IVRA mode. The tourniquet is not
dependent on external air pressure and works independently with a built-in pump, battery, a
computer controlled system which is monitored via the touch screen. Power cord, hose/hoses
and user instructions are included with the tourniquet.
Versions/models:
All models require AC power to start up.
800-20 tourniquet to be used with single cuffs. If the AC power is disconnected, the unit will
alert the operator of this but can still be used in normal state until low battery status is shown.
800-40 tourniquet to be used with a single cuff on one side of the unit or with a double cuff for
IVRA. If the AC power is disconnected, the unit will alert the operator of this but can still be
used in normal state until low battery status is shown.
1.1 Intended clinical use
The device is intended to be used as an electronic tourniquet instrument to control venous and
arterial blood circulation to an extremity for a period of time, as for operations in a bloodless
field. The pressure is applied circumferentially upon the skin and underlying tissues of an
extremity; this pressure is transferred to the walls of vessels, causing them to become temporarily
occluded. It is generally used as a tool for a medical professional in applications such as
cannulation or to stem the flow of traumatic bleeding. The device is intended for routine clinical
use and should only be used by medical professionals trained in the operation of the device. If
the instrument is not used correctly during operation it might cause severe harm or death.
The operators are required to supervise the instrument during use.
Contraindications for use
Contraindications for use of the device are conditions reported, including but not limited to
extremity infection, open fracture, tumor distal to the tourniquet, sickle cell anemia, impaired
circulation, previous revascularization of the extremity, extremities with dialysis access, venous
thromboembolism, increased intracranial pressure and acidosis.
We recommend that you always use Hpm™ cuffs with Tourniquet 800-40 and 800-20.

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1.2 User Manual
This user manual contains important information for operating the Hpm™ Tourniquet 800
series. Before use of the tourniquet the user manual must be read carefully. The user manual
should be treated as a part of the equipment and must therefore be available during use of the
tourniquet, it is a support and reference for the clinical staff.
If the unit is moved to another operating room, the user manual has to follow the tourniquet.
The user manual illustrations are in order to simplify, understand and manage the equipment.
The illustrations are not always in proper scale and can vary from the actual equipment.
or “Warning” or combinations of both denotes instruction regarding safe use of the
instrument.
1.3 Manufacturer
Hammarplast Medical AB
Kartåsgatan 8, SE-531 40 Lidköping
P.O. Box 2069, SE-531 02 Lidköping
Sweden
Web: www.hpm.se
Email: [email protected]
Service: [email protected]
Tel.: [phone]
Fax: [phone]
1.4 Warranty
Thank you for purchasing this quality product from Hammarplast Medical AB. Our products are
developed to meet high standards in both quality and technology. To further ensure quality, we
grant you, the final customer, a warranty on our products in accordance with the following
conditions.
The Hammarplast Medical AB product is warranted for the period of twenty-four (24) months
from the original date of purchase, against defective materials and workmanship. In the event
that warranty service is required, you should return the product to the dealer from whom it was
purchased. In case of difficulty, details of the local dealers are available at www.hpm.se. You may
also contact the service center in Sweden (email: [email protected]).
International warranty conditions
1. The warranty is only valid if, when warranty service is required, the warranty demand is
presented with the original invoice or sales slip or confirmation, and the serial number on
the product has not been defaced.
2. Hamarplast Medicals obligations are limited to the repair or, at its discretion, replacement
of the product or the defective part. For this, the customer is responsible for the dispatch
and insurance of the product. The transport and insurance costs shall be borne by the
customer. Hammaplast Medical shall cover the costs for the materials/spare parts and the
labor costs as required, as well as the return postage to the sender.
3. In case of warranty repairs, they must be carried out by authorized Hammarplast Medical
AB dealers. No re-imbursement will be made for repairs carried out by non-Hammarplast
Medical representative and, any such repair work and damage to the products caused by
such repair work will not be covered by this warranty.

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4. This product is not considered to be defective in materials nor workmanship by reason
that it requires adaptation in order to conform to national or local technical or safety
standards in force in any country other than the one for which the product was originally
designed and manufactured. This warranty will not cover, and no re-imbursement will be
made for such adaptation or any damage which may result.
5. This warranty covers none of the following:
A. Periodic check ups, maintenance and repair or replacement of parts due to normal wear
and tear (such as upholsteries, hoses or reduced capacity of accumulators).
B. Cost relating to transport, removal or installation of the product.
C. Misuse, including the failure to use this product for its normal purposes or incorrect
installation.
D. Damage caused by lightning, water, fire, acts of god, war, public disturbances, incorrect
mains voltage or any other cause beyond the control of Hammaplast Medical AB.
E. Spillage of chemicals or liquid or use of any other hazardous or non instructed
substances, which may affect the product.
F. Minor defects or deviations from the product specifications, that are immaterial or
negligible as regards to the value or the functioning of the product.
1.5 Copyrights
The manual is an exclusive part of the equipment and may not be provided to or used by any
third party. Pictures, text, specifications and other illustrations are protected by copyright and
may not be copied without approval by Hammarplast Medical AB.
1.6 Customer service
For technical questions, contact Hammarplast Medical customer service. Contact information is
found under chapter 1.3
1.7 CE labeling
The equipment is manufactured in accordance to EU´s directives regarding current medical
equipment 93/42/EEC.
CE labeling is located on the equipment's rear side.
Warning: This instrument, as all medical electric equipment in general, needs special
precautions regarding EMC and needs to be installed and put into service according to
information in this document.
Warning: This instrument, as all portable medical electric equipment in general, can
affect other medical electrical equipment. Refer to Appendix EMC for further guidance
regarding EMC.

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1
1.8 Tourniquet front view
1.9 Tourniquet rear view
11
10
6
2
3
4
1
6
4
2
1. Volume icon. 1-5 levels shows
level of volume.
2. Settings icon. Press symbol in
order to open menu.
3. IVRA icon. Press symbol in
order to activate.
4. Timer icon. Default setting is
counting up.
5. Inflate icon. Click in order to
activate pump.
6. Pset pressure.
7. Current cuff pressure in
mmHg.
8. Deflate icon. Press in order to
deflate.
9. Battery icon.
10. Icon for AC power
connection.
11. Applied part
12. Double timers.
1. Printer connection.
2. Label, including serial
number (ref. 1.11)
3. Power switch. Green light on
power switch indicates AC
power is connected.
4. Power cord outlet.
5. Potential equalization socket.
6. Attachment points for clamp.
7. Computer outlet for service.
5
7
8
9
5
3
7
12

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1.10 Label
All labels on this equipment are supposed to be cleaned with soap water.
1.11 Shipping, packaging and storage
Transport inspection:
Check the delivery immediately for completeness and any damage during shipping.
For obvious transport damage, do the following:
Do not accept the delivery or accept it only conditionally.
Note the scope of damage on the shipping documents or on the shipping delivery note.
File a complaint
In order to prevent shipping damages to the greatest extent possible, when returning a product to
Hammarplast Medical or a local representative, use the original packaging. Provide the following
information: Owner´s name and address, serial number (see model plate), a description of the
damage.
Packaging notes:
Packaging is commensurate with expected shipping conditions. Only environmentally safe
materials are used for packaging.
The packaging is intended to protect individual components from shipping damage until
installation is complete. Therefore, do not destroy the packaging and only remove it immediately
prior to installation.
1
2
3
4
5
6
7
8
9
1. Operating voltage in Volts (100-
240V ~50/60Hz)
2. Class 1
3. Manufactured by
4. Contains electrical components,
plastic parts and battery. Return the
instrument to the manufacturer or
dispose it in accordance with legal
regulations and local ordinances.
5. ON/Stand-by. The yellow light is on
when AC power is connected and
the battery stand-by charges.
6. 1/0. 1 indicates that the battery
stand-by charges and the unit is
active and ready to use. 0 indicates
that the unit is in stand-by, and the
battery stand-by charges.
7. CE-marking
8. Protective ground conductor.
9. Read instructions before use.
10. Certified to U.S and Canadian
standards
11. Year of manufacture.
10
11

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Handling packaging materials:
Dispose of packaging materials in accordance with legal regulations and local ordinances.
-Dispose of packaging in an environmentally safe manner.
-Follow the local disposal ordinances. If necessary, hire a professional disposal service.
Storing packages:
-Do not store outdoors.
-Keep dry and free of dust.
-Do not expose to corrosive agents.
-Protect from sunlight.
-Avoid mechanical vibrations.
-Storage temperature -10 to + 50 °C.
-Relative humidity: max 80%, non-condensing.
-When storing for longer period, periodically check the general condition of all
components and the packaging.
1.12 Operator profile
Incorrect use and wrong interpretation of user manual may cause severe harm or accidents, it is
therefore important that you read and understand the information in this user manual.
Users of the equipment must have medical training, experience, skill and should have proper
training on the equipment, for safe usage and treatment of the equipment (e.g. surgery staff,
anesthesia staff).
Trained staff can in a safe way use the equipment and in good time anticipate risks and
discrepancies as a protection for themselves and the patient.
Trained staffs should have obtained knowledge about rules and guidelines for operating in
bloodless fields.
Trained staffs have technical and practical knowledge about how to apply cuff and set correct
limb occlusion pressure (LOP).

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2 Tourniquet start up
2.1 Before taking in use
Before taking in use, turn on the mains switch. Note: If the battery is fully depleted it will turn
off the display. Connect equipment to main power supply, aknowledge a possible warning about
battery low level, and charge until full battery level is displayed (normally up to 3 hours for a
depleted battery).
Protect the instrument from liquids or blood. Use an original Hpm™ coiled hose to
keep the instrument out-of-reach of the patient.
Ensure that the equipment is placed without risk to fall down.
The included coiled air hose has CPC-quick connectors in both ends. The male end fits in the
device’s air outlet female CPC-connector and the female connector in the other end fits with the
male connector of the cuff.
The air outlets, coiled hoses and the cuffs are color coded. Blue color indicates distal side and red
color indicates proximal side.
Cuff is applied parts. Make sure to place tourniquet out of reach for patient.
The touch screen acts on command from one pressure point, multiple pressure points
on screen can give unwanted commands. Make sure to just press with one finger.
When moving and starting up the unit again, make sure all the connections are
properly attached and perform a diagnostic test of the unit to make sure everything works
properly.
2.2 AC Power Connections
The AC power cable is connected to the power cord outlet on the rear of the tourniquet (pic.
1.10, arrow 4) and the wall power outlet. Switch on the tourniquet by switching the main switch
to I (pic 1.10, arrow 3). Only use included power cord (hospital grade).
A Self test will automatically be performed during start up.
To avoid the risk of electric shock, this equipment must only be connected to AC
which is properly grounded.
Handle
Distal side
Proximal side
Touch screen

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The power cord plug must be removed to break AC current. The wall socket outlet
should be installed nearby the tourniquet and be easily accessible.
2.3 Procedure options
The Hpm™Tourniquet has two intended options of use, single cuff procedure and double cuff
IVRA procedure. When a single cuff is used, the user can inflate or deflate the applied cuff for
either upper or lower limb. When IVRA procedures are performed, the proximal and distal sides
are synchronized regarding set pressure and time, in order to perform safe surgeries. The “IVRA”
icon is activated before the start of the surgery and will be indicated with a green illuminated
“IVRA”icon.
2.4 Unit start up
Make sure that the cuffs are disconnected.
The Tourniquet is turned on by pressing the ON/OFF button on the backside of the
Tourniquet.
The tourniquet will then perform a Self Test of system, pump function and a leakage test.
A sensor calibration is performed against the atmospheric pressure.
After this you will be asked to press the green OK icon. If you tap outside of the green
OK icon, you will be asked to calibrate the screen. Conduct the calibration by following
the instructions on the screen.
After pressing the OK icon you will then hear two (2) beeps, one from the speaker and one from
the back-up alarm.
Press OK to confirm hearing these two (2) beeps. If the user answers “CANCEL” two (2) times
the tourniquet goes into an instrument error-mode (code 20) and needs to be restarted.
The tourniquet is now ready to use.
Main menu display when the tourniquet is ready for use.
The tourniquet is now ready for operation with the pressure (ref. 3.2) and time (ref. 3.1.2) earlier
set by the user. Cuff inflation is done by pressing the “Inflate” icon.
To perform a manual self test, please enter the sub menu by pressing (sub menu icon) and
then press (self test icon) (ref. 3.1.3).

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2.5 Icones used
Pset indicates chosen pressure
Inflate indicates inlet of pressure
mmHg indicates pressure in cuff
Deflate indicates outlet of pressure
IVRA Grey indicates inactive IVRA
IVRA Green indicates active IVRA
min 000 indicates elapsed time
000 indicates the time on each side
Battery symbols:
Battery fully charged
Battery with approximately 75% power
Battery with approximately 50% power
< 25% battery power
Symbols:
AC power connected
AC power failure
Sub Menu
Information
Timer
Self Test
Settings
Language
Print
Alarm volume
Service
Date & Time
Safe state, make self test to clear this state
Critical alarm (technical error) Try to restart or contact service.

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2.6 Front panel with inflated cuff
A white framework shows if cuff is inflated and green arrow indicates monitored side.
The Inflate icon is replaced by a “-5”respective “+5” icon.
In order to adjust the pressure during procedure, press “+5” icon to increase and press “-5” icon
to decrease pressure.
2.7 Front panel during alarm
If an error is detected an error message and an alarm icon will show and an audio alarm will
sound. Deal with error message according to user manual directions (ref. chap 4).
Reset alarm by pressing “Alarm” icon.

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3 Options
3.1 Settings
By pressing (sub menu icon) you enter the sub menu. If no icon is pressed within 30
seconds, the main menu returns automatically.
3.1.1 Information
By pressing (information icon) data regarding the unit will occur (manufacturer, model,
serial number and software version). Press the back icon to return to the sub menu or wait 30
seconds and the main menu will return automatically.
3.1.2 Timer
By pressing (timer icon) time can be set, counting up or down. The alarm time can be set
by using the numeric display. ! The Timer may not be set during procedure.
When the settings are done press the “OK” icon and you will return to sub menu. If the new
setting data not is confirmed within 30 seconds, the new data will not be saved and the main
menu will automatically return.
By pressing “cancel data” the old timer settings will be valid and you will return to sub menu.
3.1.3 Self Test
By pressing (self test icon) a self test will automatically be performed. When the self test is
done a new menu will occur with the text “Confirm self test OK”. Confirm by pressing the
“OK” icon and the main menu will return. If a cuff is pressurized the user has to confirm every
step of the self test by pressing the screen as a part of the internal security mechanisms. If the self
test detects errors, it stops and the device returns to the main menu and shows errors. (Ref.
section 2.4)
3.1.4 Print
When pressing (print icon) without printer connected you will receive the message “Printer
is not connected”. By pressing “Cancel”you will return to sub menu or wait 30 seconds and the
main menu will return automatically.
When the printer is connected and turned on the message “Printer is ready” will show and a print
icon is visible. Press the “Print”icon and the details from the last run will be printed.
If an error occurs, when the printer communicates with the tourniquet, the message “Error,
reconnect printer” will show.
No printer to be connected and used together with the Tourniquet during procedure!
During operation make sure to not touch USB port and patient at the same time.
3.1.5 Language
By pressing (language icon) a menu with all default languages appears on screen. Choose
language and automatically return to sub menu. Chosen language will be default.

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3.1.6 Settings
By pressing (settings icon) you will enter default settings menu.
Default timer. Press to set default timer.
Default Pset. Press to set default pressure (mmHg) in steps of 5 mmHg or use the slider
and confirm with “OK”.
Restore default. Press to get factory settings and confirm by pressing “Save”.
Use the “Save”icon to confirm new default settings. Use the “Cancel” icon to abort and return
to sub menu.
3.1.7 Service
By pressing (service icon) you will enter service menu. Enter menu with service code, for
authorized staff only.
Press “Cancel”to return to sub menu or wait 30 seconds and the main menu will return
automatically.
3.1.8 Date & Time
By pressing (Date & Time icon) you will enter the page where you are able to program the
tourniquet internal clock.
Date are constructed according to YY-MM-DD and the clock according to HH:MM:SS.
Use the numeric display starting with YY(year) until you finished with SS (seconds). Press OK.
3.1.9 Volume
By pressing (volume icon) the volume menu will appear. Change level of volume by
pressing the “+”or “–“ key. Five different levels of volume are possible to set and store. When
restarting the Tourniquet volume level will be minimum medium.
1-5 stacks, next to the speaker icon, indicate the volume level. To save chosen level press
“Confirm” and you will return to the main menu.
To abort press “Cancel” and you will return to main menu.
The sound volume is demonstrated during the diagnostic test that is done as a part of the initial
procedure.
The sound settings can be changed before or during procedure.
3.2 Pset
Figures in the Pset box shows the pre-setting of the pressure (e.g. 200 mmHg) in the inflated
cuff(s). Inflated cuff(s) can be adjusted in steps of plus (+) or minus (-) 5 mmHg by pressing the

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” +” or “–“ key. After deflation the Pset automatically returns to the pre-setted value (e.g. 200
mmHg). The default value can be adjusted in the settings (3.1.6)
3.3 Accurancy of the pressure
The Hpm™Tourniquet is designed in order to maintain the inflated cuff pressure during the
time of the procedure.
When the cuff is inflated, you may change the Pset pressure in steps of + or –5 mmHg keys, or
press the “Pset” icon and use the menu (section 3.2). A change of the Pset pressure will result in
a change in the inflated cuff(s).
If an unexpected change of the pressure is detected, an alarm message is shown, followed of an
audio alarm. Reset the alarm by pressing the “Alarm” button and locate the cause of the alarm
and take corrective measures (ref. chap. 4) .
3.4 Inflate/deflate cuff in normal mode
In order to inflate the cuff, press the ”Inflate” icon. The pressure will be achieved within
seconds, meanwhile a leak test is performed. If no leaks are detected, the pump will inflate the
cuff until the desired pressure is achieved. A white frame and a green arrow indicate which cuff is
inflated and active. If a leak or a kink is detected during the inflation, the pump tries to inflate the
cuff. If inflation fails, the user will be alerted by an error message followed by an audio alarm (ref.
chap. 4). Inflation can be aborted at any time by pressing ”Deflate”. If you press ”Deflate”, you
will have to confirm the deflation, by answering the question “ Deflate the distal/proximal
cuff?”, by pressing “Confirm”. This will deflate the cuff in approximately 15 seconds.
3.5 Timer
A timer is built into the tourniquet. The timer is activated automatically each time a cuff is
inflated. The time is noted on the display along with the cuff pressure. The time is shown on the
display as YYY min (minutes). The timer counts each minute that the pressure is retained in the
cuff(s). A beep alerts the operator after sixty (60) minutes, after an additional period of thirty
minutes another beep alerts the operator of the time elapsed. After the thirty (30) minute beep,
the operator will be alerted by a beep every fifteenth (15th) minute.
After one hundred and eighty (180) minutes the alarm goes into medium priority level which
means three (3) beeps repeated every twenty (20) seconds. The timer automatically stops when
the cuff(s) is deflated. The total of the elapsed time that the cuff has been inflated will be shown
on the display until a new procedure starts. When performing an IVRA procedure, the time
shown is the total time which the proximal and the distal cuffs have been inflated. Each side has
an individual timer.
The timer has the “Counting Up” or “Counting Down” options. In order to change time
counting, enter the sub menu (section 3.1), timer (section 3.1.2) to make changes.
Factory default setting (090 minutes) can be restored by entering sub menu (section 3.1), press
the “Settings” icon and press “Restore default” (section 3.1.6)
Kink warning

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3.6 IVRA overview
IVRA (Intravenous regional anaesthesia), also known as a Bier´s Block, is used to enable the
infused aesthetic to first take effect on the distal part of an extremity. After a period of time, cuff
pressure is applied on the already anesthetized part of the extremity and the cuff is deflated on
the more proximal portion of the limb. To prevent the anaesthetic from leaving the extremity
before it is absorbed by the tissue, it is important to have the cuffs inflated and deflated in the
correct sequence.
Some of the safeguards programmed into the tourniquet for use in an IVRA procedure include:
A special icon marked” IVRA” is located in the middle of the display. It is used to
program the proximal and distal sides to communicate during the IVRA procedure.
When the ”IVRA” icon is activated it changes colour from grey to green to confirm that
the unit is ready for IVRA procedure.
IVRA procedure button can be engaged, even though one side is inflated, by pressing the
“IVRA” icon and press confirm.
When both sides of the tourniquet are pressurized, but one side has not yet reached the
set pressure level, only the side that has not yet reached set pressure can be deflated. The
operator can deflate optional side only when both sides are inflated to the set pressure
level.
The elapsed time will be stopped when both sides are deflated (ref. 3.5).
Icon for sub
menu
Green arrow
indicates time
count up from
zero (0)
Green “IVRA” icon.
Indicating IVRA active.
Green arrow,
indicating active side.

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3.7 Choices of IVRA during operation
If the proximal (distal) side is inflated and IVRA is not activated before, it is possible to choose
IVRA even in this situation.
1. Press “IVRA” icon and the question ”Activate IVRA?” is displayed.
2. In order to activate IVRA press ”Confirm”. IVRA has now been enabled and the main
menu returns, now with “IVRA” icon illuminated green.
3. If IVRA is not desired, press ”Cancel” and the main menu returns without IVRA
function and the “IVRA” icon remains grey.
3.8 Change default pressures
Hpm™Tourniquet permits the user to change the factory default pressure of 200 mmHg (ref.
3.1.6). To restore default factory settings, see section 3.1.6.
Confirm IVRA
Cancel IVRA

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4 Alarm
The device is designed to test and supervise itself during the start up process to alert the operator
of any faults or errors which might cause problems during the use of this product.
The start-up tests are performed every time the unit is activated to review the status of both the
software and hardware of this microprocessor controlled device. If these tests detect any errors,
the appropriate message will be shown in the display. The possible errors are listed below.
4.1 Alarm system
When something occurs in the system that must come to the operator´s attention, a message is
clearly displayed on the screen and an audio alarm is emitted. This is referred to as “Raising an
Alarm”. If one of the cuffs is the cause to the alarm will also a red or a yellow framework indicate
which cuff it is and which priority the alarm has.
The alarms consist of the following categories:
Priority
Signal color
Signal sound
High
Red
10 beeps repeated every 10 second,
Medium
Yellow
3 beeps repeated every 20 seconds
Low
Yellow
1 beep
Note: All alarms have the same sound level.
4.2 The automatic alarm safety mechanism
When a high or medium priority alarm (and even some low priority alarm) occurs, an automatic
safety mechanism closes all the valves and turns off the pump.
To exit from this state the operator has three (3) options:
1. Perform a self test (ref. 3.1.3). This self test will not open the block valve (i.e. the
pressure in cuffs is unaffected), but it performs a test that the internal components of the
tourniquet are operating safely. It is not possible to inflate or increase the pressure during
this state.
2. Acknowledge the alarm by pressing the “Alarm” icon.
3. The cause of the alarm is corrected.
4.3 Alarm priority
If a higher priority alarms occurs after a lower priority alarm, the higher priority alarm is
prioritized and displayed. Lower priority alarms that occur after a higher priority alarm are
queued but not displayed until the higher priority alarm is acknowledged by the operator.
4.4 Alarm reset
By pressing the “Alarm” icon you acknowledge, silence and reset the displayed alarm condition
signal only. Other alarm conditions are unaffected. If more than one alarm condition exists, the
operator has to reset each alarm separately. Some alarm conditions, e.g. AC power failure, resets
automatically when the cause, that was generating the alarm signal, ceases.