Woodpecker Fi-G User manual

Contents
(Fi-G)
Introduction -------------------------------------------------------1
1 Product introduction-------------------------------------------1
2 Standard icons--------------------------------------------------9
3 Contraindications ----------------------------------------------9
4 Installation and disassembly method of accessories ------9
5 Operation method --------------------------------------------11
6 Charging instruction----------------------------------------- 13
7 Safety precautions ------------------------------------------- 13
8 Maintenance -------------------------------------------------- 14
9 Troubleshooting---------------------------------------------- 16
10 After-sales service------------------------------------------ 17
11 Environment protection------------------------------------ 18
12 Statement --------------------------------------------------- 18
(Fi-P)
Introduction ----------------------------------------------------- 19
1 Product introduction----------------------------------------- 19
2 Standard icons------------------------------------------------ 24
3 Contraindications -------------------------------------------- 24
4 Installation and disassembly method of accessories ---- 25
5 Operation method-------------------------------------------- 26
6 Charging instruction----------------------------------------- 26
7 Safety precautions ------------------------------------------- 27
8 Maintenance -------------------------------------------------- 27
9 Troubleshooting---------------------------------------------- 28
10 After-sales service------------------------------------------ 29
11 Environment protection------------------------------------ 29
12 Statement --------------------------------------------------- 30

1
Introduction
Thank you for purchase Fi-G Hot Melting and Filling Gun developed
by Guilin Woodpecker Medical Instrument Co., Ltd, a Hi-tech enterprise
developing, manufacturing, and selling dental instruments. Woodpecker
has excellent Quality Control System. To guarantee correct and safe
operation, please read this Instruction Manual carefully before use.
Depending on the level of risk involved, safety requirements are classed
under the following indications:
Danger: (always referred to personal injury)
warning: (referred to possible damage to property)
1 Product introduction
1.1 Intended use
Heat up and soften gutta-percha, and ll the gutta-percha into the root
canal after preparation.
1.2 Diagram of components and control buttons
The Fi-G is equipped with a display screen and a control button on
both the left and right sides. And the design of left and right sides are
perfectly symmetrical, which enables either left-hand or right-hand
operation;

2
1. Gutta-percha injection needle
2. Heat insulation sleeve for injection needle
3. Heat insulation hood 4. Gutta-percha loading slot
5. Battery level 6. Temperature
7. “ON/OFF” button 8. Pushing ram
9. Battery cover 10. Charging indicator
11. Charging base 12. Power adapter plug
13. Power adapter
14. Connecting hole for power supply
15. Trigger
1) “ON/OFF” button:
a) In the OFF state, long press the left or right “ON/OFF” button can
turn on the power. After the power is turned on, the left and right displays
will be lit at the same time.
b) In the ON state, long press the left or right “ON/OFF”button can
turn o the power.
Note: If there is no operation for 10 minutes, the Hot Melting and
Filling Gun will automatically shut down.

3
2) Temperature control button: ( Note: The temperature control button
and the “ON/OFF” button are the same button. After powers on, the
button acts as temperature control button. )
Lightly press the button to change the preset temperature for heating
the gutta-percha. The temperature will change in the sequence of
150℃→180℃→200℃→230℃ as shown in Figure 1, and back to
150°when you press the button in 230℃.
Figure 1 Preset temperature
Gutta-percha
injection needle Temperature
25G 180℃-230℃
23G 180℃-200℃
20G 180℃-200℃
Table 1 Recommended temperature setting
3) Battery level:
The actual power of the battery is displayed in real time on the screen.
When the battery is fully charged, the power of the OLED display is
displayed as ve grids. When the battery level is one grid, it indicates that
the battery is low and needs to be charged in time. When the battery level
is displayed as a space, it indicates that the battery is very low and needs
to be charged immediately.
Note: During normal use, try not to let the battery level reduced to
space status (completely no power) before charge, which will shorten the
service life of battery.
Warning:
If the device has not been used for more than one month, the battery
needs to be recharged. If the device is not in use for a long time, please be
sure to charge it at least once a month to protect the battery. The service
life of battery of Melting and Filling Gun will be shortened when it is in
a low battery state for a long time or when it leaves the charging base for
a long time.
4) Temperature:
When the temperature is preset, the display screen shows the preset
temperature value. About 1s after the temperature preset, the OLED

4
screen will display the real-time temperature inside heating chamber.
When the Melting and Filling Gun is in the heating state, the
temperature indicator will simultaneously display the current temperature.
5) Charging base:
Firstly, connect the power adapter plug to the power adapter as shown
in Figure 2. Then connect the power adapter to the charging base as
shown in Figure 3 and connect the power adapter to a standard socket.
Place the Melting and Filling Gun correctly on the charging base as
shown in Figure 4, so that the charging connector under the Melting
and Filling Gun can be reliably connected to the output connector of the
charging base. When the Melting and Filling Gun is properly connected
to the charging base, the LED charging indicator on the base will be on
constantly. If the LED is ashing or not lit, please check all the cables
carefully.
There are charging status indicators on the charging base. When the
Melting and Filling Gun is not placed on the charging base, the indicator
will ashes in yellow and green alternately. When the Melting and Filling
Gun is placed on the charging base, if the charging is being charged,
the yellow indicator will be on constantly. When the battery is full, the
yellow indicator will be o and the green indicator will be on constantly.
Notes: After receiving the device, please charge it immediately.
Before use, please be sure that battery is fully charged. When the device
is fully charged, the battery level of the Melting and Filling Gun LED
display screen is the highest. After the battery runs out, the time of
battery charging takes at least 2 hours and 30 minutes.
Figure 2 Installation of power adapter Figure 3 Connection to power supply
Figure 4 Charging

5
6) Gutta-percha loading slot:
Note: Only gutta-percha can be loaded into it for a time.
7) Heat insulation hood:
The design of heat insulation hood is to protect the oral soft tissue and
lip from scalding.
Note: Before being used to dierent patients or before each use, please
clean, disinfect and sterilize the heat insulation hood.
8) Gutta-percha injection needle
Before use, the gutta-percha injection needle and the Fi-G must be
connected and tightened with the wrench provided by our company to
prevent the injection needle from falling o or the gutta-percha leakage
during use. But do not to screw too tight. Here we provide a variety of
injection needles with different sizes (Please refer to Table 2), and the
injection needles can be pre-bent depending on the application. ( Note:
Store unused gutta-percha injection needles in a sealed environment, as
the gutta-percha injection needle are made of silver and may discolor due
to oxidation caused by long-term exposure to air ). Please use the wrench
provided by the company to connect, disassemble and pre-bend the gutta-
percha injection needle.
Note: When replace the gutta-percha injection needle, please first
power o and wait for 5 minutes. Only after the Melting and Filling Gun
and gutta-percha injection needle cool down, the replacement can start.
When the gutta-percha injection needle is still hot, to avoid scalding,
please do not pre-bent or replace the gutta-percha injection needle.
Warning:
Before being used to different patients or before each use, please

6
clean, disinfect and sterilize the gutta-percha injection needle. It is
recommended that users follow manufacturer's written instructions to
properly disinfect the device; the Melting and Filling Gun cannot be
autoclaved. Do not autoclave the Melting and Filling Gun and charging
base or place them in chemical disinfectants.
9) Wrench:
The wrench is used to tighten the gutta-percha injection needle
and its connection to Melting and Filling Gun. After tighten the gutta-
percha injection needle, the needle can be bent to any suitable angle with
wrench. Do not use other instruments to pre-bend the needle other than
the wrench provided by manufacturers.
10) Cleaning brush:
When cleaning the heating chamber with a cleaning brush, rst set the
preset temperature of the Melting and Filling Gun to 200 °C, then insert
the cleaning brush into the back of the Melting and Filling Gun, and then
push it hard to ensure that the cleaning brush is removed from the front of
the heating chamber. Do not remove the cleaning brush from the back of
the Melting and Filling Gun. When cleaning, you can repeat the cleaning
for several times to ensure that the heating chamber is well cleaned.
1.3 Device includes
1. Melting and Filling Gun
2. Charging base
3. Power adapter with cord
4. Gutta-percha injection needles (The models are as shown in Table 2)
5. Heat insulation hood
6. Heat insulation sleeve for injection needle
7. Cleaning brush
8. Pushing ram
9. Wrench
10. Instruction Manual
11. Qualied Certication

7
12. Warranty card
13.Packing list
Model Gauge Length
20G 22mm 20G 22mm
20G 24mm 20G 24mm
20G 28mm 20G 28mm
23G 24mm 23G 24mm
23G 28mm 23G 28mm
25G 24mm 25G 24mm
Table 2 Models of gutta-percha injection needles
1.4 Introduction and scope of application
1.4.1 Features:
a) Symmetrical two-sided display and operation button design for left
or right hand operation.
b) Cordless design for Melting and Filling Gun eectively broadens
the operation space.
c) Sensitive temperature control, simple display, and convenient
operation; Press temperature setting button to set suitable working
temperature.
d) Four preset temperatures are for option: 150℃, 180℃, 200℃,
230℃
e) Safe protecting system. If there is no operation for 10 minutes, the
Melting and Filling Gun will automatically shut down.
1.4.2 Scope of application:
Only used in endodontic lling with gutta-percha or root canal sealant.
Fi-G is equipped with gutta-percha injection needle and heat insulation
hood to heat up and soften gutta-percha to backll root canal.
1.5 Product specications
Sizes Melting and Filling Gun 31.9mm×152.5mm×114.9mm
Charging base 75.5mm×149.7mm×62.6mm
Weight
Melting and Filling Gun 170g
Charging base 207g
Power adapter 167g
1.6 Technical parameters
Classication Class Ⅱ(AC/DC power adapter)

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Optional preset
temperatures 150℃→180℃→200℃→230℃
Time consumption for
charging About 2.5h (First charging needs 3 h)
Power supply Input AC100V-240V 50/60Hz
800mA
Output DC15V/1.6A
Battery capacity Chargeable battery 2000mAh
1.7 Environmental parameters
Working condition
Temperature +5℃ ～+40℃
Humidity 30% ～75%
Air pressure 70kPa ～106kPa
1.8 Storage and transport
1. The device should be handled carefully and lightly. Be sure that
it is far from the vibration, and is installed or kept in a cool, dry, and
ventilated place.
2. Do not store the device together with the articles that are
combustible poisonous, caustic, or explosive.
3. The device should be stored in a room where the relative humidity
is 10% ~ 93%, the air pressure is 70kPa ~ 106kP, and the temperature is
-20℃ ~ +55℃.
4. Please avoid the device from strong shock or vibration during
transport. And please handle it carefully.
5. Please do not mix the device with hazardous articles during
transport.
6. Please avoid the device from sun, rain, and snow during transport.

9
2 Standard icons
Product serial number Follow Instructions for Use
Manufacturer Date of manufacture
Type B applied part Class II device
Power switch Ordinary equipment
Used indoor only Device complies with
WEEE directive
Can be autoclaved DC 15V
Attention! Please refer to the accompanying documents.
Humidity limit for storage: 10% ~ 93%
Atmospheric pressure for storage: 70kPa ~ 106kPa
Temperature limit for storage: -20℃ ~ +55℃
3 Contraindications
1. People who are allergic to known natural latex and metals such as
stainless steel, silver, copper, etc. are prohibited to use this device.
2. The patient with hemophilia is forbidden to use this device.
3. The patients with heart pacemaker are forbidden to use this device.
4. The dentists with heart pacemaker are forbidden to use this device.
5. Heart disease patients, pregnant women and children should be
cautious to use the equipment.
4 Installation and disassembly method of
accessories
4.1 Connection of power adapter
Connect the output point of power adapter to the charging base, and

10
connect the input point to the socket that meets the standard of this power
adapter. Please install in accordance with the procedures in Figure 2,
Figure 3, and Figure 4.
4.2 Installation, disassembly and pre-bent of gutta-percha injection needle
Note: In order to prevent from scalding, when replace the gutta-percha
injection needle, please rst power o and wait for 5 minutes. Only after
the heating point cools down, the replacement can start.
1. Power off the device and wait for 5 minutes until the Melting
and Filling Gun cools down. And then use wrench to disassemble the
injection needle in counter-clockwise direction.
2. Place the used needle in the dedicated container.
3. Select needed gutta-percha injection needle (20ga, 23ga or 25ga.
Please refer to Table 2 for details.), and tighten the injection needle to the
Melting and Filling Gun in clockwise direction. Please be cautious not to
over tighten.
4. Use wrench to bend the needle to needed angle.
4.3 Installation and disassembly of heat insulation hood
Start installation and disassembly from head part of the Melting and
Filling Gun.
4.4 Removal and replacement of battery
When replace the battery, first loosen the fixing screw with a
screwdriver, then remove the battery cover, next remove the old battery,
replace it with a new one, and nally cover the battery cover and tighten
the screws.
4.5 Installation and disassembly of pushing ram
The pushing ram can only be plugged in or unplugged from tail part of
the Melting and Filling Gun.

11
5 Operation method
Note: During use, please do not contact the heating part of the Melting
and Filling Gun. Before use, remember to install the heat insulation hood
to prevent users or patients from scalding.
1. Choose gutta-percha injection needle
Choose suitable gutta-percha injection needle (20ga, 23ga or 25ga)
according to the situation of patient. And tighten the gutta-percha
injection needle and handpiece (Note: not too tight). Note: the 23ga and
25ga rotating type gutta-percha injection needle can rotate to suitable
angle within the range of 360°in clockwise direction and counter-
clockwise direction. And you can also use wrench to pre-bend the needle
and adjust it to a better operation angle as per your needs.
Warning:
When install the gutta-percha injection needle, please be sure that the
device is o and the head part of the device is cooling down. (About 5
minutes after shutdown of the Melting and Filling Gun, the head part of it
can cool down to the temperature that allows people to touch.)
2. Choose the gutta-percha
Choose suitable gutta-percha for the device. Before loading it into
the loading slot, pull the pushing ram back (do not pull out) to empty
the loading slot, and then tilt the head of the gun down. After tilting the
head part for an certain angle, put the gutta-percha into the loading slot,
and then use the pushing ram to push the gutta-percha into the heating
chamber completely (Note: only one gutta-percha stick can be placed at a
time). When the gutta-percha completely enters the heating chamber, the
black marker circle of the pushing ram will fully advance into the gun.
Failure to fully t the gutta-percha into the heating chamber will result in
function failure of the device.
3. Power on
After powering on with long press on “ON/OFF” button, the device
will automatically heat up to the preset temperature. If you want to
change the preset temperature, please continuously press the temperature
control button until the display screen displays the needed temperature
value. After each press, the temperature will change once in the sequence
of 150℃->180℃->200℃->230℃. And it will back to 150℃ when
you press the button while at 230℃. During operation, please refer to
Table 1 Recommended temperature setting to set suitable temperature.

12
One second after setting suitable temperature, the display screen will
automatically skip to display the actual heating temperature. And it will
heat up until reach the preset temperature. Pull the trigger to push the
pushing ram forward until there is a small amount of extrusive gutta-
percha in the needle.
Note: The displaying temperature is the temperature inside the heating
chamber.
4. Canal obturation
Install the heat insulation hood at the connecting part of gutta-percha
injection needle and Melting and Filling Gun, and wipe the filling
material from the needle with gauze and alcohol. Note: The needle is hot
at this time, and the injection needle starts lling from the bottom of the
root canal to reduce or avoid the generation of bubbles. Place the needle
at the bottom of the root canal. Pull the trigger to squeeze the gutta-
percha, and slowly retract the needle until reach the crown hole.
Warning:
When the trigger is squeezed to ll the gutta-percha without retracting
the needle, the injection needle may break. While the gutta-percha is still
hot, use a medical vertical presser to squeeze down. If there are bubbles
in the root canal, use a small amount of material to ll the root canal for
many times. Use a little more material for each lling and use vertical
presser to press it down.
5. Replacement of gutta-percha
When the trigger is pushed forward to push the push ram to make a
"click" sound. it indicates that the gutta-percha in the Melting and Filling
Gun has been used up. And it is necessary to load a new gutta-percha
stick in time. When loading another gutta-percha stick, make sure the
filling gun has cooled to room temperature. When the previous gutta-
percha has been completely squeezed out, then according to step 2, re-
select the appropriate gutta-percha for loading.
Warning:
Do not replace the gutta-percha stick in the heated state, otherwise it
may cause scalding or damage the Melting and Filling Gun.
6. After operation, the remaining materials in the heating chamber
must be cleaned, and the relevant accessories must be cleaned, disinfected
and sterilized. For details, see Chapter 8.1.

13
6 Charging instruction
6.1 Use corresponding charging base for charging: Connect the power
adapter to the charging base, and connect to power supply. And then
correctly place the Melting and Filling Gun in the charging base. When
the Melting and Filling Gun is not placed on the charging base, the
indicator will ashes in yellow and green alternately. When the Melting
and Filling Gun is placed on the charging base, if the charging is being
charged, the yellow indicator will be on constantly. When the battery is
full, the yellow indicator will be o and the green indicator will be on
constantly. Under normal situation, the charging takes about 2.5h.
6.2 The battery used in this product has no memory and can be used at
any time or charged at any time.
6.3 Before rst use of this device, please charge it at least for 3 hours.
7 Safety precautions
1. Do not use instruments other than the provided wrench to install,
disassemble or pre-bent gutta-percha injection needle.
2. Do not knock or scratch the Melting and Filling Gun.
3. Do not place the Melting and Filling Gun near an electronic device,
phone, radio or HD/satellite TV as these may affect the temperature
control of the Melting and Filling Gun.
4. Keep heat carrier accessories such as Melting and Filling Gun,
gutta-percha injection needle, heat insulation hood etc. under heating
state away from inammable and explosive materials.
5. Please keep the device clean before and after operation. Before each
use, please clean, disinfect and sterilize the accessories such as gutta-
percha injection needle, heat insulation hood and wrench.
6. Users should be equipped with adequate protection such as goggles,
mask, etc. to prevent cross-infection.
7. The product should be in strict accordance with relevant operation
specications of medical authority and relative regulations. The product
can only be operated by trained doctors or technicians.
8. Do not install, remove, or replace the heat insulation hood and
injection needle under heating state. If you need to replace the injection
needle, please rst power o and wait for 5 minutes. Five minutes later,
if the Melting and Filling Gun totally cools down, replace the injection
needle.

14
9. The injection needle must be correctly installed to prevent from
falling o or gutta-percha leakage during operation.
10. Do not use excessive force when pre-bending the injection needle
to prevent the injection needle from breaking. When the injection needle
is bent or worn, the gutta-percha owing ability may be deteriorated, and
the operator should replace the new injection needle in time according to
the clinical condition;
11.Woodpecker is specialized in producing medical instrument.
We are only responsible for the safety on the following conditions:
a) The maintenance, repair, and modification are made by the
manufacturer or the authorized dealers.
b) The charged components are original of “Woodpecker” and
operated according to instruction manual.
8 Maintenance
8.1 cleaning, disinfection and sterilization
After use, squeeze out all the residual materials inside heating chamber,
power o the device, pull the pushing ram out of Melting and Filling Gun
from the back side, and remove the material on the top of pushing ram.
1) Cleaning of charging base and Melting and Filling Gun
The charging base and the surface of Melting and Filling Gun can
be wiped with a soft towel with a small amount of neutral detergent or
disinfectant alcohol.
2) Heat insulation hood
Before first use and before used to different patients, please clean,
disinfect and sterilize it. It is recommended to execute steam sterilization
after washing with water or washing in ultrasonic cleaner.
3) Gutta-percha injection needle
After being used to each patient, please change the needle in time.
When there is found or suspected damage to the needle, place it in a xed
recycling container.
4) Cleaning of heating chamber
When removing the residue inside the heating chamber and the
loading slot, set the temperature of the device to 200 ° C, and then power
o the device after squeezing all the residual materials out. After pulling
the pushing ram out from back part, insert the supplied cleaning brush
from the back of the device and pull it out from the front part of the

15
Melting and Filling Gun. Please take care not to add any cleaning agent
or chemicals to the cleaning brush.
5) Pushing ram
Use sterile alcohol and gauze to remove any visible residue.
6) The gutta-percha injection needle, heat insulation hood, and wrench
can be cleaned with clean water as well as can be cleaned in an ultrasonic
cleaner;
7) After each use, please sterilize the gutta-percha injection needle,
heat insulation hood, and wrench under high temperature and high
pressure (134℃, 0.22MPa) for at least 4 minutes.
8) If the other accessories need to be cleaned or disinfected, please
use gauze to pick up a small amount of water or disinfectant to wipe the
surface. Do not soak those accessories in the cleaning solution.
9) Do not use volatile and diuent solvents for cleaning, which will
damage the surface of the device or cause the markings on the machine to
fade.
8.2 Daily maintenance
When the device is not used, please turn o the power and unplug the
power supply plug.
If the Melting and Filling Gun is in a low battery state for a long time,
the service life of battery will be shortened. Please charge it in time if the
battery level is low. When the device is not used, please charge it for 1
hour once a month.
8.3 Repair of device
This product does not contain self-repairing spare parts. Repair should
be carried out by a designated professional or special repair shop.

16
9 Troubleshooting
Fault Cause Solution
After pressing
the “ON/OFF”
button, the
device is still
o.
1. Inadequate battery power
2. Battery is damaged.
3. The charging interface is
short-circuited, causing the
lithium battery to enter a
protection state;
4. Melting and Filling Gun is
damaged.
1. Connect to power
supply to charge. /
Replace the battery.
2. Replace the battery.
3. Remove the substance
that causes the short
circuit, put the device
into the charging base
to charge, and then the
device will return to
normal;
4. Contact local distributor
or manufacturer.
Gutta-percha
cannot ow out
from the needle
1. The push ram has been
pushed to the end, indicating
that the gutta-percha has run
out.
2. The pushing ram seal ring
is damaged.
3. The injection needle is
damaged and blocked
1. Pull back the pushing
ram and load a new gutta-
percha stick
2. Replace the pushing
ram
3. Replace the injection
needle
Automatic
shutdown
If there is no operation for
10 minutes, the device will
automatic powers o
Reboot
The pushing
ram cannot be
pulled out
The portion of the pushing
ram that enters the interior of
the heating chamber is xed
by the cooling of the gutta-
percha.
1. Power on and set the
temperature to 200 °C.
After the temperature
reaches the set value, pull
out the pushing ram back;
2. Contact your local
dealer or our company.

17
Charging
failure after
connecting to
power supply.
1. The power supply is not
correctly connected;
2. The power supply is
damaged, or the specication
doesn’t match.
3. There are impurities on the
contact thimble of charging
base.
1. Unplug and reconnect.
2. Replace the battery.
3. Wipe the thimble
with alcohol, dry it, and
reconnect.
The service
time after each
charging is
shortened.
The battery capacity
becomes smaller.
Send to the repair center.
ERROR code
appears on
display screen.
The heating chamber is
damaged.
1. Send to the repair
center.
2. Contact local distributor
or manufacturer.
If the problem still cannot be solved, please contact your local dealer
or our company.
1. When the pushing ram is in the Melting and Filling Gun, please do
not push or pull the pushing ram vigorously. When the gutta-percha is
heated up to the preset temperature, the pushing ram should be pushed by
pulling the trigger for multiple times. If the pushing ram does not move,
try to push it manually with a slight force, and try to pull the trigger.
2. Please refer to the recommended temperature to set the preset
temperature.
3. To remove all remaining material, please rst remove the injection
needle, and then pull the trigger to squeeze out all the residual material in
the heating chambers. Be careful not to touch the head of the Melting and
Filling Gun to avoid scalding. Power o, cool it down slightly, and push
the pushing ram down.
10 After-sales service
Since the date of sales, if the device cannot work normally for quality
problem, our company will be responsible for the repair of device during
the warranty period. Please refer to the Warranty Card for warranty
period and warranty scope.

18
11 Environment protection
The device does not contain any harmful ingredients. It can be handled
or destroyed in accordance with the relevant local regulations.
Note:
1) Without Woodpecker agreement and authorization, private
modification of device may result in the electromagnetic compatibility
problem of that device or other devices.
2) The design and test of Melting and Filling Gun complies with the
related operation regulations of electromagnetic compatibility.
12 Statement
Woodpecker reserves the right to change the design of the equipment,
the technique, ttings, instruction manual and the content of the original
packing list at any time without further notice. The pictures are only for
reference. The final interpretation rights belong to Guilin Woodpecker
Medical Instrument Co., Ltd.