Guilin woodpecker medical instrument Mt2 User manual

Dental Electric

Motor Instruction

Content

Forward ---------------------------------------------------------------------------1

1 Introduction --------------------------------------------------------------------1

2 Basic technical parameters ---------------------------------------------------3

3 Product structure and composition -----------------------------------------5

4 Main unit interface ------------------------------------------------------------8

5 Function and operation ----------------------------------------------------- 10

6 Safety precautions ----------------------------------------------------------- 14

7 Cleaning, disinfection and sterilization----------------------------------- 14

8 Troubleshooting-------------------------------------------------------------- 20

9 Storage and transport-------------------------------------------------------- 21

10 After-sales service---------------------------------------------------------- 21

11 Environment protection --------------------------------------------------- 21

12 Symbol instruction--------------------------------------------------------- 22

13 EMC-Declaration of comformity ---------------------------------------- 23

Forward

Guilin Woodpecker Medical Instrument Co., Ltd is a manufacturer

specializing in the development and manufacture of dental

products. Woodpecker owns a sound quality control system and four

brands, Woodpecker, DTE, DBA and RTA. The main products

include Ultrasonic Scaler, Curing light, Apex locator, Ultrasurgery,

Endo Motor, and Dental Electric Motor, etc.

1 Introduction

The MT2 dental electric motor consists of main unit, motor, motor

tail line, power adapter and power cord. It is intended for use in

general dental applications such as: cutting a tooth for cavity

preparation, crown preparation, crown nishing, inlay, ling,

polishing, prophylaxis and endodontic treatment.

1.1 Precautions before operation

Dangers:

1. To avoid electric shock, please prevent the water from entering

the control circuit and do not touch the power cord with wet hands.

2. Keep the device away from explosives and ammable objects.

Do not use this dental electric motor for the patients who are

anesthetized with nitrous oxide.

Warnings:

1. Federal law restricts this device to sale by or on the order of a

dentist.

2. This dental electric motor may malfunction when it was used

in an environment where electromagnetic interference occurs. This

dental electric motor cannot be installed near the device that releases

the magnetic wave. When using an ultrasonic vibrating device or an

electrode knife in the vicinity, please switch o the dental electric

motor.

3. Special precautions need to be taken for EMC, and MT2 needs

to be installed and put into use according to the EMC environment.

4. Device with electromagnetic emission will aect the normal

operation of MT2. Please do not run both devices at the same time.

5. Do not use the device in operating rooms that contain a mixture

of potentially ammable gases.

6. To avoid possible injury or damage to the dental electric

motor, make sure that the motor handpiece (hereinafter referred to

as the “motor”) is completely stopped when replacing the contra-

angle handpiece.

7. A severe impact, such as drop from high position, can result in

damage to the dental electric motor.

8. Do not try to disassemble the control panel or motor.

9. Please clean the dental contra-angle handpiece (hereinafter

referred to as the “handpiece”) immediately after use.

10. Do not lubricate the motor. The lubricant will cause the motor

to overheat and damage the motor.

11. Do not use a solution with dissolving ability to clean the control

panel.

12. Please switch o the device after each operation.

1.2 Intended use/Indications for Use

The MT2 dental electric motor consists of main unit, motor, motor

tail, power adapter and power cord. It is intended for use in general

dental applications such as: cutting a tooth for cavity preparation,

crown preparation, crown nishing, inlay, ling, polishing,

prophylaxis and endodontic treatment. The Dental Electric Motor

can be used with a ISO E-type straight, right-angle or contra-angle

handpiece attachment of equal, gear-reducing, or gear increasing

speed.

The contra-angle handpieces (model:WJ-15, WJ-15L) are driven by

a micro-motor to rotate at a specied speed, so as to drive the dental

bur. It is applicable to drilling and grinding in dental surgery.

1.3 Model

MT2

1.4 Contraindications

1. Patients with hemophilia.

2. The patients or doctors with heart pacemaker.

3. Patients with allergic constitution and history of drug allergy.

1.5 Cautions

1. Patients with oral and maxillofacial infections, unhealed oral

mucosal diseases, periapical periodontitis, gum disease, periodontal

disease, oral tumors, etc. should be cautious to use this device.

2. Patients with heart disease and children should be cautious to use

this device.

3. Patients with mental disturbance should be cautious to use this

device.

4. Patients with severe systemic or systemic diseases such as heart,

liver, kidney, hematopoietic system, digestive system and endocrine

system should be cautious to use this device.

5. Pregnant women or lactating women, women of childbearing

age who planning to have a baby recently should be cautious to use

this device

1.6 Safety requirements

Guilin Woodpecker Medical Instrument Co., Ltd. will not be

liable for any direct or indirect damages and losses under the

following conditions:

• The device is used for any purpose other than the mentioned scope

of application.

• The operator did not use the device in accordance with the

procedures and requirements stipulated in the Instruction Manual.

• The wiring system of the room where the device is used does not

meet the appropriate standards and requirements.

• Assembling, operating, and repairing the device without the

authorization of the Woodpecker.

• The environmental conditions in which the device is located

or stored do not meet the requirements mentioned in the section on

technical requirements.

2 Basic technical parameters

2.1 Specication of main unit

Main unit

Software version MT2-V1.0.0

Size 165.5mm×129.7mm×77.6mm

Weight Main unit: 620.7g,

Motor Handpiece: 70.6g

Power Adaptor

Model UES90-300300SPA1

Power input 100-240V~ 50/60Hz 1.5A

Power output DC 30V 3.0A

Motor

Model E-MT

Rotation speed 2,000-40,000rpm

Torque range 1N•cm~5N•cm

Voltage input DC24V

Size Φ22×76.7mm

Operation mode Continuous

Motor LED light Watts 3 W

Color White

Motor tail cord Length 1800 mm

Water source Water pressure 0.5 bar ~ 2 bar

Water ow 0-100 mL/min

Air source

Air pressure 1.5 bar ~ 6 bar

Spray air ow 1.5-5.0 L/min

Motor cooling air

ow 0-20 L/min

Drive air ow 0-20 L/min

Coolant mechanism Coolant air

Usage environment

Temperature:5-40°C,

Humidity:30%-75%

Atmospheric pressure: 70kPa

~ 106kPa

Storage environment

Temperature: -20 - +55 °C;

Humidity: 10%- 93%,

Atmospheric pressure: 70-

106kPa

2.2 Specication of Contra-Angle Handpiece

Model WJ-15 WJ-15L

Optical ber Without light With light

Fiberoptics NA input:20000-65000 lx,

output:14000-40000 lx

Coupling between

motor and

Contra-angle handpiece

Type 2(ISO 3964-

2016)

Type 3(ISO 3964-

2016)

Coupling dimension Middle(ISO 3964-2016)

Speed 10000~200000 rpm

Chuck Mechanical type chuck

Gear ratio 1:5 speed-rising

Shanks for rotary

instruments Type3,φ1.6mm bur ( ISO 1797-1-2011)

Overall length of rotary

instrument 19mm

Maximum overall

length of

rotary instrument

21mm

Maximum working

diameter

of the rotary

instruments

2mm

Rod A cylinder with rounded or chamfered ends

Minimum length of rod 12.5mm

Cooling water pressure 0.5-2 bar(1.5 bar is recommended)

Cooling air pressure 1.5-6 bar

Cooling air

consumption

under pressure of 2 bar

> 1.5 Nl/min

Bur extraction force ≥24N

2.3 Device safety classication

2.3.1 Type of protection against electric shock: Class II equipment

2.3.2 Degree of protection against electric shock: Type B applied

part

2.3.3 Degree of main unit protection against harmful ingress of

water: Ordinary equipment (IPX0). Not waterproof.

2.3.4 Classied by operation mode: Continuous operating device

2.3.5 Degree of safety application in the presence of a ammable

anesthetic mixture with air, oxygen, or nitrous oxide: Equipment

cannot be used in the presence of a ammable anesthetic mixture

with air, oxygen, or nitrous oxide.

3 Product structure and composition

3.1 Safety requirements during installation

1. Installation of the device must comply with appropriate standards

and associated electric safety requirements.

2. Never install the device in an explosive atmosphere and the

device must not be operated in an area with ammable gases

(anaesthetic mixtures, oxygen, etc.).

3. The installation site should prevent the device from being

impacted, and avoid the device from being splashed by water or

other liquids.

4. Do not install the device near or above the heat source. It must be

installed in a place where the surrounding air is suciently

circulated. There should be enough space around the device.

5. Do not place the device in direct sunlight or ultraviolet light.

6. This device can be moved, but please handle it with care.

7. Make sure the connection parts are dry before connecting the

wires to the unit. If necessary, blow it to dry with an air gun.

3.2 See the packing list for the machine conguration

The device consists of main unit, motor, motor tail, contra-angle

handpiece, power adapter.

Figure 1

3.3 Front View of the Main Unit

Figure 2

3.4 Rear view of the main unit

Figure 3

3.5 Schematic disgram of motor installation

Figure 4

3.5.1 Connect/Disconnect motor and motor tail

A. Connect: First align the motor and motor tail interface, then

insert the motor into the motor tail interface, and nally tighten the

nut

on the motor tail.

B. Disconnect: Unscrew the nut, and then remove the motor tail

from the motor;

3.5.2 Connect/Disconnect motor and contra-angle handpiece

A. Connect: Insert the Head connection sleeve into the contra-

angle handpiece, and then turn the contra-angle handpiece until you

heard a “click” sound, to ensure accurate position;

B. Disconnect: When removing the contra-angle handpiece, pull

out the contra-angle handpiece from the motor in parallel.

3.6 Installation steps

3.6.1 Open the package, check whether the components of the

device are complete according to the packing list, and place the

main unit on the stable platform of the dental unit.

3.6.2 Connect the four-hole handpiece tail of dental chair to the

four-hole handpiece interface of the device and tighten completely.

3.6.3 Connect the power adapter to the DC adapter connector, then

connect the power supply socket to the DC adapter with the power

cord.

4 Main unit interface

4.1 Main interface

Figure 5

4.2 Setting interface

Figure 6

4.3 Manual mode interface

Figure 7

4.4 Interface of calibration mode

Figure 8

Figure 9

Enter the setting interface, click the “calibration” touch button to

enter the air pressure calibration interface, click “Start”, and the

interface will pop up as shown in Figure 9. Fully press down the

foot pedal until 100% is displayed, then release the foot pedal to

nish the calibration.

4.5 Restore the factory setting

Figure 10

Enter the setting interface, and click the restore factory settings

touch button to enter the restore factory settings interface for

conrmation. In conforming interface, click “OK”, the interface

shown in Figure 10 will pop up. Select "OK" to restore the original

factory settings parameters or select "Cancel" to quit restoring

factory settings.

4.6 Language selecting interface

Figure 11

Enter the setting interface, click the language selection touch button

so that the interface shown in Figure 11 will pop up, and select the

desired language. When you click “OK”, the corresponding

language is selected. When you select “Cancel”, the original

language would be maintained.

5 Function and operation

5.1 Install the product correctly according to the product installation

steps, and the screen should be facing the operator.

5.2 Turn on the power switch on the main unit, the screen will display

and enter the main control interface (Figure 1).

5.3 The motor is controlled by the foot pedal of the dental chair.

5.4 Make sure that the foot pedal control calibration is performed before

using the device for the rst time.

5.5 Icon description

Icon Name Function

Mode

Select the preset xed

speed.

(P1/P2/P3)

Speed ratio

Select the speed of contra-

angle

(16:1/1:1/1:5)

Speed adjustment Increase speed

Speed adjustment Decrease speed

Store Store the set parameters

Forward/Reverse rotation Control the forward and

reverse rotation of motor

Speed Display the set operating

speed

Setting Enter the setting interface

Manual mode Enter manual mode

adjusting interface

Calibration Enter calibration interface

Restore factory setting Restore the system to

factory setting.

Language selection Enter language setting

interface

Exit Exit the submenu setting

mode

Start Start to activate the motor.

Stop Stop the motor

LED Turn on/o the motor

LED.

Speed adjustment

Adjust the speed formerly

set in the manual mode.

Touch the progress bark

to increase or decrease the

speed.

5.6 Basic function adjustment on main unit controlling interface

5.6.1 Speed ratio: Select the corresponding speed ratio by touching

the speed ratio key. The color of the key will change when it is

selected.

When using a contra-angle handpiece with a gear ratio of 16:1,

touch the 16:1 speed ratio button.

When using a contra-angle handpiece with a gear ratio of 1:1, touch

the 1:1 speed ratio button.

When using a contra-angle handpiece with a gear ratio of 1:5, touch

the 1:5 speed ratio button.

5.6.2 LED: Turn on/o the LED light on the motor by touching the

LED key.

5.6.3 Speed adjustment: Adjust the speed of the motor by touching

the Speed adjustment key.

5.6.4 Forward/reverse rotation: Switch to the forward rotation or

reverse rotation by touching the Forward/reverse rotation key.

5.6.5 Mode: Select the working speed of corresponding mode by

touching the Mode key.

5.6.6 Store: Store the set speed ratio, speed, mode, forward rotation/

reverse rotation, and LED by touching the Store key.

5.6.7 Setting: Enter setting interface by touching the Setting key.

5.7 Basic funtion adjustment in setting interface

5.7.1 In setting interface, touch key “8” Manual Mode key to enter

manual mode interface. Under the manual mode state, the rotation

of motor can be directly controlled without foot pedal. Touch Speed

Ratio key to select corresponding speed ratio. Touch Speed key to

adjust the speed. Touch Start key, Stop key, Forward/Reverse

Rotation key, or LED key to control the output of motor. Touch the

Exit key to exit the manual mode interface.

5.7.2 In setting interface, touch key “9” Calibration key, touch Start

key, and the interface shown in Figure 8,9 would pop up. Fully press

down the foot pedal until 100% is displayed, then release the foot

pedal to nish the calibration.

5.7.3 In setting interface, touch key “10” Restore Factory Setting

key, click “OK” to enter interface shown in Figure 10, and decide

whether to restore the factory setting by clicking “OK” or “Cancel”

key.

5.7.4 In setting interface, touch key “11” to enter interface shown in

Figure 7 for language selection.

5.7.5 In the setting interface, touch key “12” to exit sub-menu

setting mode.

6 Safety precautions

Cautions:

6.1 For repairs and purchase of spare parts, please contact our

authorized supplier.

6.2 The accuracy of the speed monitoring depends on the high

precision performance of the handpiece installed on the micro

motor. If the handpiece of other manufacturers is used, the actual

speed value may not be displayed correctly. To ensure the correct

display of the actual speed, please use the matching handpiece.

6.3 Read this operating manual before use and fully understand the

functions of each part.

6.4 Check the operating status of the dental electric motor before

use to conrm that there is no abnormality.

6.5 Test the dental electric motor before use to ensure accurate

operation.

6.6 If the motor is malfunctioning permanently (excessive vibration,

much noise and heat generation, etc.), please switch o immediately

and return it to the authorized dealer.

6.7 Clean the control panel with a damp cloth and turn o the

power before cleaning.

7 Cleaning, disinfection and sterilization

7.1 Motor and Contra-angle handpiece

Steps Motor Contra-angle handpiece

Warnings:

1. Do not spray any cleaning solution or lubricant

to the motor.

2. Do not use an automatic washer-disinfector to

clean the motor.

3. Except for the motor, the other parts such as

main unit, power adapter and tail are not

allowed to be sterilized.

Warnings:

1. The contra-angle handpieces are

not suitable for ultrasonic cleaning.

2. The contra-angle handpiece

should not be immersed in strong

detergents or disinfectants (alkaline

pH>9 or acid pH <5).

Resistance

to sterilizing

procedure

The motor could be capable of being subjected to

250 cycles of sterilizing procedure.

The contra-angle handpiece could

be capable of being subjected to

250 cycles of sterilizing procedure.

Steps Motor Contra-angle handpiece

Preparation at

the Point of Use

Remove the motor from the motor tail, and wipe

the surface of the motor with a soft cloth soaked

in cold water(<40°C).

The post-operative process must

be carried out immediately, no

later than 30 minutes after the

completion of the operation. The

steps are as follows:

Disconnect the contra-angle

handpiece from Motor.

Remove gross soiling of the

instrument with cold water

(<40°C) immediately after use.

Don’t use hot water (>40°C)

as this can cause the xation of

residuals which may inuence the

result of the reprocessing

process.

Transportation

The motor and contra-angle handpiece should be safety stored and transported to the

point of reprocessing to avoid any damage

and environment pollution.

Preparation for

reprocessing

The products must be reprocessed in a disassembled state.

Disassemble the contra-angle handpiece, motor and motor tail separately according

to section 3.5.

Pre-cleaning

Tools: tray, syringe, hose, clean and dry soft

cloth.

①Use a syringe to draw 500ml of puried water

to ush the waterway and atomization airway.

Do not clean the cooling air circuit,

otherwise it will

damage the motor.

②Wipe the water stains on the interface with

clean cloth.

③Rinse the motor under running water for 2

min.

④Rinse the motor surface with 500ml purified

water.

Tools: tray, soft brush, clean and

dry soft cloth.

Perform manual pre-cleaning

until the handpiece is visually

clean. Rinse the chuck of bur

with running water for at least 10

seconds. Clean the surface with a

soft bristle brush.

Note: The water temperature

should not exceed 40℃ during

the washing stage, otherwise

the protein will solidify and be

dicult to remove.

Steps Motor Contra-angle handpiece

Cleaning

Notice: Never reprocess this device in an

ultrasonic

device. Otherwise, it will cause the motor failure

and damage to its materials.

Prevent liquid from owing into the motor during

the cleaning process.

Step1: Clean the inner cavity

①Use a syringe to draw 500ml of detergent

（RUHOF AW PLUS WITH APA)to rinse the

waterway and atomization airway.

②Wipe the water stains on the interface with

clean cloth.

Step2:Wipe the surface

①Soak a clean soft cloth with detergent (RUHOF

AW PLUS WITH APA) and then wipe the

surface of the motor thoroughly for 5 times.

Replace with a clean soft cloth after each wipe.

If there are still visible contaminants, wipe

repeatedly until there are no visible contaminants.

②Soak a clean soft cloth with

detergent and then wipe the surface of the motor

thoroughly for 5 min. If there are still visible

contaminants, wipe repeatedly until there are no

visible contaminants.

Step3: Scrub the surface

Scrub the motor thoroughly with an instrument

brush with detergent for 3 min.

Step4: Rinse

①Use a syringe to draw 500ml of puried water

to rinse the waterway and atomization airway.

②Wipe the water stains on the interface with

clean cloth.

Step5：Rinse the surface

①Rinse the motor surface with 500ml purified

water to remove the residual detergent.

Note: Do not rinse the interface directly to

prevent liquid from owing into the motor.

Notice: Never reprocess this

device in an ultrasonic

device.

Automatic cleaning

The washer-disinfector should

meet the requirements of the ISO

15883.

Place the contra-angle handpiece

in the

washer-disinfector carefully.

Ensure that contra-angle

handpieces can not move freely in

the washer-disinfector.

The contra-angle handpice are

not permitted to contact with each

other.

Start the program:

• 4min pre-washing with cold

water(<40℃);

• Emptying

• 5 min washing with a mild

alkaline cleaner at 55℃;

• Emptying

• 3 min neutralizing with warm

water(>40℃);

• Emptying

• 5 min intermediate rinsing with

warm water(>40℃);

• Emptying

• Drying the device at 80℃ for

15min

The automated cleaning processes

have been validated by using 0.5%

neodisher MediClean dorte(Dr.

Weigert) Acc. To EN ISO 17664

Note: No manual reprocessing

methods are require for these

devices. If a manual reprocessing

method has to be used, please

validate it prior to use.

The above automated cleaning

and disinfection procedures was

validated.

Steps Motor Contra-angle handpiece

Drying

Drying should be conducted after cleaning. Wipe

o the residual water on the motor surface with

dry absorbent soft cloth.

Drying of outside of instrument

through drying cycle of

washer-disinfector. If necessary,

additional manual drying can be

performed through lint free towel.

Insufflate cavities of instruments

by using sterile compressed air.

If your washer-disinfector does not

have an automatic drying function,

please dry the device after cleaning

and disinfection. The drying

method as below:

1) Spread a clean white paper

(white cloth) on the at table, place

the contra-angle handpiece on the

white paper (white cloth), and then

dry the contra-angle with filtered

dry compressed air (maximum

pressure 3 bar). When no liquid is

sprayed on the white paper (white

cloth), it indicates that the contra-

angle handpiece is completely dry.

2) The device can also be dried

directly in a medical drying cabinet

(or oven).The recommended

drying temperature is 80℃ and

the time should be 15 minutes.

Note:

1).Dry the contra-angle handpiece

repeatedly if necessary (refer to

section "Drying").

2).The air used for drying must be

ltered by HEPA.

3) The device should be dried in a

clean area.

5)The drying temperature

should not exceed 137 °C

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