NSK SGR2-E User manual

001OM-H0187E
BONE SURGERY MICRO SAW HANDPIECE
’10.00.00 N
SGR2-E/SGO2-E/SGT2-E
The EU directive 93/42/EEC was applied in the design and production of this medical device.

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ENGLISH
CAUTION
· Place the most priority for the safety of all patients.
· For professional use only. Do not make wrong use of the handpiece. This product is produced for bone surgery micro saw
handpice only. Do not use other usage.
· Check for vibration, noise and overheating outside the patient's oral cavity before use. If any abnormalities are found, stop
using the handpiece immediately and contact your authorised dealer. Entering foreign materials into bearing may cause
OVERHEATING.
· Do not attempt to disassemble the handpiece or tamper with the mechanism.
· Do not deliberately transform external spray nozzle.
· It is recommended that a spare handpiece be maintained for contingency.
· Sterilization is required, after you purchase and each patient.
· Should the handpiece function abnormally, cease operation immediately and return the handpiece to an authorised dealer
for repair.
· Be sure to place the saw blade firmly into handpiece before use.
· Check that tube is not clogged or crashed before use.

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ENGLISH GERMAN FRENCH SPANISH ITALIAN
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1. Features
· The built-in 3:1 speed reducer provides high torque.
· The chuck nut securely grips the blade.
· Optional NSK blade (6 Oscillating, 3 reciprocating and 2 sagittal) are available. D-shape shank (diameter Ø2.35) and U-cut hub can
prevent dislocating of the pivotal point and allows better cutting.
· Irrigation tube can be equipped with external spray nozzle.
· It is repeatedly autoclavable at 135˚C.
· Do not allow any impact on to the handpiece. Do not drop the handpiece.
· Do not use bent, deformed or damaged blades. If those blades had been used, it may break or fly away.
· Always keep blade clean. Dirt or debris in a chuck could cause poor blade concentricity or low chuck retention force.
· Do NOT use blades other than NSK recommended. It may cause a malfunction or accident.
· Always use blades specified by NSK for your safety. (Option)
· Do not exceed the motor speed of 40,000min-1.
· Do not use the handpiece without mounting saw blade.
· Stop operation for 2 minutes after continuous use for 3 minutes approximately.
· Never move the chuck nut during use as this can cause injury.
· Be sure to replace the saw blade only after the Micromotor completely stops rotation. Do not tighten and/or loosen the blade
excessively.
· Only connect with the standard motor according to ISO 3964.
· Be sure to remove the blade before detaching the handpiece from the Micromotor.
· Change the blade after every operation for safety.
· Do not apply excessive pressure (except Oscillating/Reciprocating direction) to the blade during operation.
· Always operate with water spray for cool down the blade.
· Immediately after use, the handpiece should be cleaned, lubricated and sterilized before blood, etc. dries inside the
handpiece. If blood is left on the handpiece, it can become clotted and causing rust.
· Make sure that the blade is removed before cleaning, lubrication, sterilization, carrying and/or storage.
· Do not wipe nor immerse the handpiece and/or blades in acidic water or acidic solutions.
· Wear protection glasses or dust mask for your safety and health.
· If the handpiece has not been used for a long period, check for noise, vibration, and overheating before use.

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ENGLISH GERMAN FRENCH SPANISH ITALIAN
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Insert
Handpiece Motor
Tighten Spanner
Wrench
Blade
U-cut
Chuck
Chuck Nut
Fig. 2*Picture shows SGR2-E.
*Picture shows SGR2-E.
2. Connection of Handpiece and Motor
2-1 Connecting the Handpiece to the Micromotor
Simply push the handpiece directly onto the Micromotor. (Fig. 1)
3. Mount/Removal of Blade
Mount the NSK reciprocating / oscillating / sagittal Blades (option).
3-1 Mounting Blade
1) Loosen the Chuck Nut approximately 2-3 turns by hand.
2) SGR2-E, SGT2-E
Align the blade and the chuck slit then insert the blade until it stops.
SGO2-E
Insert the D-shaped shank into the chuck, align shapes of the chuck
and shank by turning lightly, and insert until it stops.
3) Tighten the Chuck Nut with the Spanner Wrench. (Fig. 2)
CAUTION
Check the blade is secure before use.
CAUTION
Check the connection is secure by gently
pulling the handpiece and Micromotor.
2-2 Removing Handpiece from Motor
Hold the handpiece and Micromotor, and pull
the handpiece direct from the Micromotor.
(Fig. 1)
CAUTION
· Note that only E-type Micromotors according to ISO 3964 can be
connected.
· Connect and/or disconnect the handpiece without a blade inserted.
· Do not connect and/or disconnect the handpiece until the
Micromotor is completely stopped.
Fig. 1

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ENGLISH GERMAN FRENCH SPANISH ITALIAN
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Fig. 3*Picture shows SGR2-E.
Gently loosen
Spanner
Wrench
Blade
Chuck Nut
Product Name
SGR-1
(10 pc./case)
SGR-2
(10 pc./case)
SGR-3
(10 pc./case)
SGO-1
(Single blade)
SGO-2
(Single blade)
SGO-3
(Single blade)
CodeProduct
Y900072
Y900073
Y900074
H174034
H174044
H174031
Product Name
SGO-4
(Single blade)
SGO-5
(Single blade)
SGO-6
(Single blade)
SGT-1
(10 pc./case)
SGT-2
(10 pc./case)
CodeProduct
H174041
H174032
H174042
Y900075
Y900076
Blade thickness 0.35mm
Blade thickness 0.35mm
Blade thickness 0.35mm
Blade thickness 0.3mm
Blade thickness 0.3mm
Blade thickness 0.3mm
10mm
20mm
30mm
30mm
6mm
6mm
6.5mm
6.5mm
9.2mm
9.2mm
10.5mm10.5mm15.5mm
30mm
45mm
Blade thickness 0.3mm
Blade thickness 0.35mm
Blade thickness 0.35mm
Blade thickness 0.35mm
Blade thickness 0.35mm
15.5mm15.5mm15.5mm
30mm
45mm
45mm
25mm
25mm
6mm10mm
CAUTION
· Use only NSK reciprocating / oscillating / sagittal blades. (Option)
· Be sure to replace the saw blade only after the Micromotor completely
stops rotation. Do not tighten and/or loosen the blade excessively.
· Do not tighten / loosen the Chuck Nut with tools other than the NSK
Spanner Wrench provided.
3-2 Removing Blade
Gently loosen the Chuck Nut with the Spanner Wrench. Loosen another
2-3 turns by hand and pull to remove the blade. Tighten the Chuck Nut
lightly after removal. (Fig.3)
4. Saw Blades (option)
NSK reciprocating / oscillating / sagittal Blades are available. Refer to the table for blade lengths in spec.

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ENGLISH GERMAN FRENCH SPANISH ITALIAN
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*Picture shows SGR2-E.
Handpiece
E-type Spray Nozzle
PANA SPRAY Plus
CAUTION
· Be sure to hold the handpiece firmly to prevent the handpiece from slipping out by the spray pressure when lubricating.
· Keep the PANA SPRAY Plus can upright.
5. Maintenance
5-1 Cleaning
Remove the blade from the handpiece. Insert an Irrigation Tube in an External Spray
Nozzle firmly and wash away saline solution remaining behind in a nozzle with pure water.
5-2 Lubrication
1) Push E-type Spray Nozzle attachment in to PANA SPRAY Plus nozzle until it is firmly seated.
2) Shake the can 3-4 times to adequately mix lubricant and propellant.
3) Insert the E-type Spray Nozzle in the rear of the handpiece. Spray the lubricant into the handpiece 2-3 times for 2-3 seconds
each time until blood or foreign material is not visible in the discharging lubricant.
5-3 Sterilization
Steam autoclave is recommended.
Autoclave Procedure
1) Cleaning, or wipe off the handpiece with medicated solution (alcohol etc.).
2) Insert into an autoclave pouch. Seal the pouch.
3) Autoclavable up to max. 135°C.
Ex.) Autoclave for 20 min. at 121°C or 15 min. at 132°C.
4) Keep the handpiece in the autoclave pouch to keep it clean until you use it.
* Sterilization at 121°C for more than 15 minutes is recommended by EN13060 or EN ISO17665-1.
CAUTION
Immediately after use, the handpiece should be cleaned, lubricated and sterilized
before blood, etc. dries inside the handpiece. If blood is left on the handpiece, it can
become clotted and causing rust.
Fig. 4

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CAUTION
· Sterilization is required first time you use and after each patient.
· Always place the handpiece in the center or upper shelf of the chamber, as the local temperature at the bottom of chamber
could rise beyond the set value.
· Do not wipe nor immerse the handpiece and/or blades in acidic water or acidic solutions.