MIMSAL MIMLED 600 User manual

INSTRUCTIONS FOR OPERATION AND INSTALLATION
MIMLED 600 | MIMLED 1000
MINOR SURGICAL LIGHTS
VERSIONS: TROLLEY STAND | CEILING SUPPORT | WALL SUPPORT

Congratulations on the purchase of your new MIMLED 600 | MIMLED 1000 Minor surgical light
from MIMSAL TRADE S.L.
Our simple operating concept allows for intuitive handling using both the control panel on the
housing and the detachable handle. The light weight design of the light head and choice of
quality and support systems certified for the medical field with integrated power supply allows
flexible use at your workplace.
The specially developed optical concept with innovative LED technology enables bright and
homogene-ous illumination of the work area while generating less heat than conventional
halogen lights. This gives you low-reflection lighting with high illuminance and a high color
rendering index across the entire light field.
We hope you enjoy your MIMLED!
Your team from:
MIMSAL TRADE S.L.
C/ Mollet, 17
Polígono Industrial Palou Nord
08401 – Granollers (Barcelona) SPAIN
Tel. [phone]
mimsal@mimsal com
www.mimsal.com

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TABLE OF CONTENTS
1. Safety Instructions 7
2. Brief Description 8
3. Operation 9
3.1 Check Before Each Use 9
3.2 Operation of the Lamp Head 9
3.2.1 Operation of Lamp Head 10
3.2.2 Quick Start via Sterilizable Handle 10
3.3 Working Areas of the Support Systems 11
3.3.1 Mobile Stand Model 11
3.3.2 Ceiling Mount Model 12
3.3.3 Wall Mount Model 13
4. Safety Functions 14
4.1 Protection Against Overheating 14
4.2 Undervoltage 14
4.3 Power Outage 14
4.4 Electrical Defect 14
5. Equipotential Bonding Cunductor 15
6. Reprocessing of Sterile Accessories 16
6.1 Sterilizable Handle 16
6.2 Disinfection 16
6.3 Sterilization 17
6.4 Verification/Durability 17
6.5 Signs of Material Wear 17
7. Cleaning/Disinfection 18
7.1 General Safety Instructions 18
7.2 Cleaning 18
7.3 Disinfection 18
8. Maintenance 19
8.1 Support Systems 19
8.2 Lamp Head 20
9. Disposal 20

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10. Mounting of the Lamp Head 21
10.1 Lamp Head Assembly 21
10.2 Mobile Stand Assembly 23
10.2.1 Mount Rollers 23
10.2.2 Mount Stand Tube 24
10.2.3 Mount Safety Ring 25
10.2.4 Mount Extension Arm with Spring Arm 28
10.2.5 Adjust Spring Force 30
10.2.6 Replacing Fuses 31
11. Mounting the Wall Fixture and Ceiling Fixture 32
11.1 Choice of Fasteners 33
11.2 Wall Mounting 33
11.3 Mounting the Ceiling Fixture 38
11.3.1 Mounting Ceiling Panel 38
11.3.2 Mounting Extension Arm with Spring Arm 39
11.3.3 Replacing the Fuse of the Ceiling Mount 41
11.4 Adjust Spring Force 42
11.5 Drilling Template 43
12. Data 44
12.1 Photometric Data for MIMLED 44
12.2 Electrical and Other Technical Data 45
12.3 Ambient Conditions 45
12.4 Physical Characteristics 46
12.5 Electromagnetic Compatibility 47
12.5.1 Immunity to High-Frequency Electromagnetic Fields in the 49
Direct Vicinity of Wireless Communication Devices
12.6 Measures in the Event of Malfunctions or Changes in Performance 50
12.7 Inspection Plan for the Lamp Head 50

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SYMBOLS
SYMBOL MEANING
INSTRUCTIONS
DECLARATION OF CONFORMITY
MEDICAL DEVICE
ITEM CODE
SERIAL NUMBER
MANUFACTURING DATE
NAME AND ADDRESS OF THE MANUFACTURER
ELECTRONIC WASTE RECYCLING
ELECTRICAL INSULATION CLASS
Class I
ELECTRICAL INSULATION CLASS
Class II
AMBIENT TEMPERATURE
Shows the permitted ambient temperatures from -25 °C to 70 °C for transport and storage.
AIR PRESSURE
Shows the permitted air pressure values from 500 hPa to 1060 hPa for transport and storage.
HUMIDITY
Shows the permitted humidity values from 10% to 75% for transport and storage.

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MODEL AND REFERENCE
REF MODEL SUPPORT
ML1000C 200 MIMLED 1000 CEILING 200 mm CEILING
ML1000C 400 MIMLED 1000 CEILING 400 mm CEILING
ML1000C 600 MIMLED 1000 CEILING 600 mm CEILING
ML1000C 800 MIMLED 1000 CEILING 800 mm CEILING
ML1000C 1000 MIMLED 1000 CEILING 1000 mm CEILING
ML1000W MIMLED 1000 WALL WALL
ML1000FL MIMLED 1000 TROLLEY TROLLEY STAND
REF MODEL SUPPORT
ML600C 200 MIMLED 600 CEILING 200 mm CEILING
ML600C 400 MIMLED 600 CEILING 400 mm CEILING
ML600C 600 MIMLED 600 CEILING 600 mm CEILING
ML600C 800 MIMLED 600 CEILING 800 mm CEILING
ML600C 1000 MIMLED 600 CEILING 1000mm CEILING
ML600W MIMLED 600 WALL WALL
ML600FL MIMLED 600 TROLLEY TROLLEY STAND
MIMLED 1000MIMLED 600
SAFETY RULES
SYMBOL MEANING
WARNING
Non-observance may result in serious or even fatal injury.
CAUTION
Failure to do so may result in minor to moderate injury or damage.
NOTE | INFORMATION
Gives application tips and useful information.
FALLING OF THE LIGHT FIXTURE
Warns of the sudden collapse of the support arm system due to the maximum payload being
exceeded.
SPRINGING OPEN OF THE SPRING ARM
Warns of the sudden springing open of the spring arm when disassembling the end device.
TIPPING HAZARD
The support arm system, especially the mobile stand version, is only designed to support the
weight of the light head. If additional weight is added, the unit may tip over, potentially hitting
people and causing serious injury. Do not attach any other loads to or on the device.

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Please observe the operating instructions when handling the ligh!
The light is a class I medical device according to EU 2017/745.
Surroundings
1. This device is not intended for operation in potentially explosive areas!
2. Do not use in oxygen-enriched areas!
3. Do not use near flammable anesthetic gases!
4. Do not place near strong magnetic fields such as MRI systems!
5. Do not cover the top of the lamp head! Risk of overheating!
6. In operating rooms with displacement ventilation: Do not block the ventilation with the
light!
7. In the operating room with displacement ventilation: Position the light at an angle to the
flow!
8. Store the light in the packaging for at least 24 hours before mounting in the room to avoid
droplet formation due to condensation!
Support arm system
1. Only use the supplied support arm system for lamp suspension!
2. The entire system must be completely disconnected from the mains supply before
mounting!
3. Please observe the enclosed operating instructions!
4. The support arm system is intended exclusively for the suspension of the MIMLED. Do not
attach or stack other units!
Electronic and optical safety
1. When using several lights, the total irradiance must be <1000 W/m2!
2. Only connect the unit to the mains supply with the protective ground conductor connected!
3. Only use the integrated or enclosed power supply unit on the support arm system!
4. The light does not include a fail-safe power supply or an emergency battery!
5. In the event of a power failure, the light will be switched off completely!
6. Keep a backup unit ready in the operating rooms to ensure fail-safe operation!
7. Short interruptions in lighting are possible in the event of external EMC interference!
8. Only connect the device to a fused power supply (max. 20 A)!
9. To switch off the lamp completely, the mains plug must be removed from the socket or the
live socket must be deactivated by a separate switch!
Maintenance and liability
1. Electrical, installation or maintenance work must be carried out by qualified personnel !
2. The manufacturer is not liable for damage caused by improper use!
3. The manufacturer is responsible for the safety of the lamp only if repairs and modifications
are carried out by the manufacturer itself or by a company that guarantees compliance with
the safety regulations, using original spare parts!
Before each use, make sure the lamp is in good condition.
1. SAFETY INSTRUCTIONS

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2. BRIEF DESCRIPTION
TARGET GROUP
These operating instructions (including the operating instructions for the support systems) are
intended for health care professionals who use, clean, disinfect and sterilize the MIMLED. The
installation instructions for the holding systems are intended for qualified and trained technical
personnel.
KEY PERFORMANCE FEATURES
The lights are used to supply lighting for examination or surgical areas.
INTENDED USE
MIMSAL MIMLED 600 and MIMLED 1000 are designed for non-invasive, superficial illumination
of the entire human body in the visible spectral range for the purpose of examinations,
outpatient and inpatient treatments, and surgical procedures by medical professionals. The
illumination is used only for optimum visibility of the examination or surgical area and has no
diagnostic or therapeutic effect. Illumination is external to the body and the equipment does
not come into contact with patients. The MIMLED are intended for use in all rooms used for
medical purposes (group 0, 1, 2) – especially operating rooms.
INDICATION
The MIMLED are used to illuminate examination or surgical areas to support in diagnoses
and treatments, especially during surgical operations. The light itself has no diagnostic or
therapeutic effect.
CONTRAINDICATION
The MIMLED should only be used in operating rooms in con-junction with an uninterruptible
power supply and fail-safe backup unit.
The products must not be used in the vicinity of strong magnetic fields (e.g. magnetic resonance
tomographs).
Use of the equipment in oxygen-enriched atmospheres and in the vicinity of flammable
anesthetic gases is prohibited.
If several lights are operating together, make sure that the total irradiance does not exceed
1000 W/m² to avoid excessive heat generation in the operating area.
ESIDUAL RISKS – RISK IN THE EVENT OF DAMAGE TO THE LIGHT FIXTURE
Protect the light fixture from impacts. Collision with other objects can lead to failure of the light
and/or damage to the housing and the support arm system, causing parts to fall.
The fixture does not include a fail-safe power supply. A power failure will cause the fixture to
shut down.
INCIDENTS AND REPORTS
The lighting systems must be reported to the competent authority in case of serious incidents.
Even the possibility of causal involvement of the medical device in a serious incident is subject
to reporting. According to the Medical Devices Regulation (MDR), the notification must be
reported to the competent authority without delay.

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3.2 OPERATION OF THE LAMP HEAD
The simple and ergonomic operating concept of the MIMLED enables intuitive operation by
the user.
The lamp head is connected to the support system via a bracket. The lamp head support allows
the light to rotate approximately 270° in its holder.
The 360° joint on the support system allows rotation around the horizontal axis.
The sterilizable handle allows both positioning of the lamp head and brightness adjustment of
the light during use.
Turning the sterilizable handle counterclockwise increases the illumination, while turning it
clockwise reduces it.
The blue “sterile handle” (the assembly consists of a sterilizable handle and clip) for the MIMLED
is not supplied sterile and must be disinfected and sterilized before first use.
The brightness indicators above the handle pulsate in standby mode with the lowest value
indication LED.
3. OPERATION
3.1 CHECK BEFORE EACH USE
1. Check the system for visible deformation. If such are detected, contact service immediately.
2. Ensure that the system has the required hygiene status for use.
3. Before each startup, the entire unit must be checked for proper functioning. The unit should
be moved in each degree of movement while checking the main function and the control
system.
4. If a lamp head is too difficult to move or no longer holds its position, the holding tensions can
be adjusted according to the operating instructions for supports and stands.
5. Check handle for cracks.
The light automatically goes into standby mode as soon as mains power is connected.
To completely switch off the light, the following must be taken into account,
depending on the type of installation:
Mobile stand: Pulling the mains plug switches the light off completely.
Wall mount: Pulling the wall power supply switches the light off completely.
Ceiling mount: Switching off the current-carrying socket by means of switch provided
by customer.
Do not operate the fixture if there is any doubt about its electrical safety or static and
dynamic stability.

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360º
270º
3.2.1 OPERATION OF THE LAMP HEAD
The controls for switching on and off (position 3) and for brightness control (position 6) are
integrated into the top of the lamp head. The handle allows you to adjust the luminosity by
turning the handle.
3.2.2 QUICK START VIA STERILIZABLE HANDLE
For time-critical applications (e.g: trauma room), the light can be turned on with a slight twist
of the sterilizable handle. The direction of rotation is independent of this. The light starts at
the lowest brightness (10.000 lux) and can thus also be easily started and operated in a sterile
manner. After the procedure, the light must be switched off using the non-sterile ON/OFF
button on the top of the housing.
Figure. Schematic representation of the MIMLED 600 | MIMLED 1000 lamp head.
Figure. Schematic representation of the lamp head
270° joint.
360° joint/interface. Support system allows rotation around the horizontal axis.
Lateral handle strip (for non-sterile operation and positioning of the lamp head).
Illuminance display (visualizes the current setting of the illumination in 5 steps).
Sterilizable handle with quick start and bright-ness control.
Heat sink.
ON/OFF switch.
Adjust brightness in 6 (MIMLED 600) or 10 (MIMLED 1000) steps: (+) increase the
illuminance level and (-) decrease the illuminance level.

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3.3 WORKING AREAS OF THE SUPPORT SYSTEMS
3.3.1 MOBILE STAND MODEL
Use of the mobile stand in conjunction with
the lamp head allows 360° rotation around the
horizontal axis.
The swivel arm of the stand support is mounted
vertically and enables a rotation of 60° around
the vertical axis via the swivel joint.
360º
60º
until 45º
until 35+5º
Figure. Schematic representation of the mobile stand
Only use the stand support on a level
and solid surface.
Once the stand support has been
positioned, lock both stand rollers
using the brakes.
270º

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3.3.2 CEILING MOUNT MODEL
The arms of the ceiling mount are mounted vertically and allow a rotation of 2 x 360° around
the vertical axis via the swivel joints.
360º
until 45º
until 35+5º
Figure. Schematic diagram of ceiling attachment
360º
360º

Figure. Schematic diagram of wall mount
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3.3.3 WALL MOUNT MODEL
The arms of the wall mount are mounted vertically and allow a rotation of 360° between the
arms and 180° on the wall around the vertical axis via the swivel joints.
360º
until 45º
until 35+5º
180º
360º
Do not attach any additional loads to the lamp head or stand/support.

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4.2 UNDERVOLTAGE
4.3 POWER OUTAGE
4. SAFETY FUNCTIONS
The MIMLED minor surgical lights have built-in safety functions to protect the user and patient
during operation.
4.1 PROTECTION AGAINST OVERHEATING
In the event that the circuit board overheats (T > 75°C), the light will switch to an
emergency lighting mode, with maximum illumi-nance limited to 40,000 lux. At the
same time, the indication lights for the brightness display will flash. If the temperature
rises even further (T > 80°C), the surgery lamp will turn off completely by means of a
built-in safety switch. The light will automatically turn on again only when the board
temperature is below 50°C again.
If memory errors occur, the light first uses the last valid memory sector and continues
to operate properly. If there is a complete failure of the memory modules, the light
switches off for safety reasons and is to be regarded as defective. When the ON/OFF
switch is pressed, the brightness indicator lights flash 5x to indicate a complete failure
of the light. The light cannot be operated in this state!
In the event of a drop in mains voltage, the light will initially attempt to continue
operating with reduced voltage. When the supply voltage drops below 16 volts
(normal: 24 volts), the light automatically turns off and the brightness indicator lights
start flashing.
As soon as the mains voltage is restored, the light switches itself back on and adopts
the last set parameters (brightness/color temperature).
In the event of a complete power failure, the light will go out. As soon as the mains
voltage is restored, the light switches itself back on and adopts the last set parameters
(brightness/color temperature).
WARNING: If the circuit board overheats, the heat sink on the top of the light can
become very hot. In this case, only touch the white plastic handles! There is a risk of
injury due to burns!
4.4 ELECTRICAL DEFECT
The light has a function for monitoring the memory electronics. In the event of a defect,
arbitrarily incorrect or potentially dangerous illuminance levels could occur, which is why the
light performs a memory self-test at regular intervals. This does not take any additional time
and runs during operation.
NOTE: In this case of error, please contact the service department to order a
replacement of the control board!

Figure. PE connection socket on mobile stand
Figure. PE connection socket on the mobile stand
with the green/yellow equipotential bonding
conductor
Figure. PE connection socket on the mobile
stand with the green/yellow equipotential
bonding conductor
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5. EQUIPOTENTIAL BONDING CONDUCTOR
An equipotential bonding conductor is an additional conductor (accessory; not included in
the scope of delivery) that establishes a direct connection between the electrical unit and the
equipotential bonding busbar of the electrical installation. The mobile light on a mobile stand
as well as the wall-mounted lights have a PE connection on the housing of the mobile stand or
on the wall mount, respectively, so that possible potential differences that can occur as voltage
sources are avoided in the patient environment, including in connection with parallel use of
other units. Such voltage sources can cause currents via the body resistance that not only flow
over the patient, but can also affect or even endanger doctors and nursing staff. Active medical
devices may malfunction due to such outflowing currents.
In class 2 rooms used for medical purposes, in addition to the protective measures according
to DIN VDE 0100 Part 410, all external conductive parts within the patient environment are
connected (electrically to each other and) to the equipotential bonding busbar. This means that
the equipotential bonding conductor must be connected to an equipotential bonding busbar.
To ensure that the permissible touch voltage of 10 mV is not exceeded (∆u ≤ 10mV), potential
equalization (PE) must be performed. For this purpose, the PE conductor (see Accessories list)
of the light must be connected to the PE busbar.
For ceiling-mounted lights, an on-site equipotential bonding conductor must be connected to
the respective ceiling panels when installed in class 2 rooms used for medical purposes, as also
mentioned in the respective installation instructions.
NOTE: For wall-mounted lights, the protective earth conductor serves only as a
functional earth (protection class II).

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The handle must be removed for sterilization:
To remove, press the two release buttons on the side and
pull the sterilizable handle downward.
To attach, slide the handle on until the latch on the side
release buttons audibly engages.
Side release button.
6.1 STERILIZABLE HANDLE
The MIMLED lights are equipped with a blue sterilizable handle (sterile handle) as standard. The
removable handle is steam sterilizable up to 134 °C.
6.2 DISINFECTION
The sterile handle must be cleaned and disinfected after use. A mechanical process (disinfector)
should be used for cleaning/disinfection.
The following mechanical procedure was validated for effective cleaning/disinfection of the
sterile handle using the WD 290 washer-disinfector from Belimed, program 1 (instruments
alkaline):
6. REPROCESSING OF STERILE ACCESSORIES
The cleaning and disinfection procedures described here have been developed and validated
in accordance with the recommendations of the medical societies and the associated standards.
In addition to the procedures mentioned here, please also observe your facility’s internal
hygiene regulations for cleaning, disinfec-tion and sterilization of medical devices.
During surgery, the hand grips often become
unsterile; keep additional hand grips on hand
for replacement (consists of Art. No. ML4500.04-
020). Only use handles from MIMLED. Handles
from other manufacturers are not authorized!.
The blue sterilizable handle must be sterilized before initial use and before any further
use in a sterile environment. Otherwise there is a risk of cross-contamination!
Figure. Sterilizable handle
Table. Disinfection
Pre-cleaning 3 min. pre-rinse
Cleaning 5 min at 48 °C, followed by 2 min cold rinse and rinse with deionized
water
Disinfection 5 min. at 93 °C
Drying 15 min. at 95 °C
Cleaner Mediclean forte, Dr. Weigert company

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6.3 STERILIZATION
Sterilization may only be performed on handles that have already been cleaned and disinfected.
The sterilization of the blue sterile handle has been validated with the following mechanical
procedure and parameters:
6.4 VERIFICATION/DURABILITY
Before reuse, the handles must be checked for damage and replaced as necessary. The handles
are designed for 1000 reprocessing cycles and must be replaced every two years. Please refer
to the embossing on the top of the handle to determine the date of manufacture.
Table. Sterilization
Sterile handle packaged in paper/laminate
Sterilizer class B LISA 522, serial number 08-0794, W&H company
Sterilization process: Fractionated pre-vacuum process
Temperature: 134 °C
Holding time: 18 min.
WARNING: ONLY FOR STEAM STERILIZATION!
If a sterilization process other than the one described is used, the suitability and basic
effectiveness of the process must be validated by the user.
6.5 SIGNS OF MATERIAL WEAR
Material wear is normally the result of sterilization, disinfection and damage during use. After
sterilization/disinfection and use, inspect the light for corrosion, damaged surfaces, scratches,
sharp edges, breaks as well as contamination of the handle and sort out the damaged unit.
Critical areas such as the lamp head housing, handles, stands, joints, power supply units, power
connection must be inspected particularly carefully.
If there is visible material wear or damage even though the light is functioning, disconnect the
unit from the power supply and immediately contact the manufacturer/provider for service and
advice.
If the handles are used beyond the stated specifications (1000 cycles or 2 years), the
responsibility lies with the user. In this case, there is a risk that the handle will break
during operation and fragments could enter the operating area!

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Perform surface disinfection every working day! After contamination by potentially
infectious material (e.g. blood, secretion or excrement), disinfect surfaces immediately,
targeting these areas especially.
Contact your hygiene specialist for coordination of disinfectant and procedures in
connection with your internal requirements regarding the current hygiene status!
Carry out disinfection in accordance with the internal disinfection plan!
WARNING: ELECTRIC SHOCK
The units may carry electricity and must be handled with care during cleaning and
disinfection.
WARNING: HEALTH HAZARD
Disinfectants may contain harmful substances that can cause injury to skin and eyes
or damage respiratory organs if inhaled.
WARNING: RISK OF INFECTION AND CONTAMINATION FOR PATIENTS
Solvents can corrode plastics Strong acids, alkalis and agents containing more than
60% alcohol can cause plastics to become brittle. Damaged parts can fall into open
wounds. If cleaning fluid enters the support/support system and accessories, it is
possible for the excess solution to enter open wounds.
7. CLEANING/DISINFECTION
7.1 7.1 GENERAL SAFETY INSTRUCTIONS
1. Disconnect the light from the mains before disinfection.
2. Do not use spray cleaner and/or spray disinfectant. Do not spray liquid into sockets or unit
openings or allow liquid to penetrate them
7.2 CLEANING
SAFETY
Please observe the general safety instructions.
RECOMMENDED CLEANING
1. Use a mild soap solution or commercial dishwashing liquid as a cleaning agent.
2. Wipe surfaces with a slightly damp cloth, adding a little mild soap solution (dishwashing
liquid) if necessary.
3. Finally, thoroughly wipe the outer surfaces dry with a soft, clean (if necessary anti-static) cloth
(e.g. with an ASC™ anti-static cloth).
7.3 DISINFECTION
SAFETY
Please observe the general safety instructions.
DISINFECTION PROCESS
The standardized disinfection procedure for the MIMLED light system is wipe disinfection.
Hygiene guidelines and corresponding safety measures for the disinfection processes to be
used must be defined by the operator.
The tested and validated disinfectant MELISEPTOL© from the manufacturer Braun Melsungen
is recommended. Adhere to protective measures. Observe the instructions of the disinfectant
manufacturer. Observe hygiene guidelines.

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8. MAINTENANCE
Medical devices must be subjected to regular maintenance and testing cycles. This is
fundamental for compliance with safety concerns.
The manufacturer of the medical device is responsible for defining regular safety measures. The
operator is responsible for implementing these defined measures.
WARNING: RISK OF INJURY!
Support arm is spring-loaded and can spring up when the lamp head is removed.
NOTE: Always switch the light to standby mode and disconnect the power plug or
disconnect the light from the power supply before carrying out any maintenance or
inspection work. Secure the light against unintentional restarting.
When carrying out maintenance work, follow the manufacturer’s instructions for
installation/dismantling (see chapter 12.6).
8.1 SUPPORT SYSTEMS
All support systems must be checked by the operator for the following points:
• Every six months:
1. Deformations of the support system
2. Cracks on plastic parts
3. Paint damage
• Yearly:
1. Extended check of the support system, e.g. holding force of the spring arm, check fastening
screw on underside of stand base and tighten if necessary.
2. Extended functional test such as ease of movement of the joints.
3. Electrical safety testing.
In the event of any malfunctions or damage, please notify your supplier.
WARNING: ELECTRIC SHOCK
Disconnect the unit from the power supply during all testing work.

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9. DISPOSAL
The light may be operated for a maximum of 10 years after initial commissioning. The unit
should then be taken out of service and disinfected and cleaned for disposal. Therefore, for
proper disposal, contact an approved disposal company. For proper disposal of the system,
please contact an authorized disposal company.
Perform all disinfection or sterilization measures prior to decommissioning to exclude
contamination of the environment.
8.2 LAMP HEAD
The following inspections/maintenance must be performed annually:
1. Checking for cracks, deformations in plastic parts and seals.
2. Electrical safety testing.
3. Extended function test.
4. Paint damage.
NOTE: Do NOT disassemble the spring arms and articulated joints. Some of the
spring arms and joints contain pretensioned compression springs which can release
their tension abruptly if they are not dismantled properly.
NOTE: Do not dispose of the product with normal domestic waste.