Ayzeze: Bu cihaz, profesyonel bir medikal tavsiye, teşhis veya tedavinin alternatifi değildir. Şüphe durumunda, kullanmadan önce lütfen yetkili bir medikal uzmana danışın. Satıcı/dağıtıcı, yanlış kullanım, izinsiz modifikasyon veya belirtilen kullanım alanlarının dışında kullanımdan kaynaklanan hiçbir zarardan sorumlu değildir.
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Product Name
Fiber-Optic High-Speed Handpiece
Brand
NICEDEN
Manufacturer
Foshan Niceden Medical Equipment Co., Ltd
Made in China
Intended Use
This handpiece is designed for dental restorative and surgical procedures that require high-speed rotary instruments.
Main Components
Turbine high-speed unit
Fiber-optic LED light source
Four-hole water spray and four-hole air spray nozzles
Ceramic bearings
Push-button chuck
Anti-slip patterned body
Technical Specifications
Connection interface: universal fast interface (four-hole and six-hole compatible)
Compatible bur shank: 1.59 mm to 1.60 mm
Operating air pressure: 0.20 MPa to 0.25 MPa
Maximum speed: up to 400 000 rpm
Noise level: 70 dB or lower
Sterilization temperature: 135 °C
Total weight: 0.13 kg
Overall length: 11.9 cm
Packaging dimensions: 15 cm × 7 cm × 3 cm (L × W × H)
Key Features
Four-hole water spray and four-hole air spray create an even mist for efficient cooling.
High-brightness fiber-optic LED improves visibility and procedural safety.
Ceramic bearings ensure stable rotation, high cutting force, low noise, long service life, and easy replacement when necessary.
Push-button chuck allows single-handed bur insertion and removal.
Textured anti-slip surface provides a secure, lightweight grip and reduces hand fatigue during prolonged use.
Installation
Turn off the dental unit air supply.
Select the appropriate coupler (four-hole or six-hole) for your unit.
Align the handpiece coupler with the unit receiver and push until fully seated.
Turn on the air supply and verify that water spray, air spray, and LED illumination are functioning correctly.
Operation
Install the bur by pressing the push-button, fully inserting the bur, releasing the button, and gently pulling the bur to confirm it is locked.
Set the dental unit air pressure between 0.20 MPa and 0.25 MPa.
Use the foot control to start and stop rotation.
Maintain continuous water spray during use to prevent overheating.
After each procedure, run the handpiece for two to three seconds to clear residual water and debris.
Cleaning and Sterilization
Immediately after use, wipe the external surfaces clean.
Remove the fiber-optic LED module by turning it counter-clockwise and clean it separately.
Adhere to established protocols for dental handpiece cleaning, employing exclusively certified cleaning agents and lubricants.
Sterilize at 135 °C in an autoclave, as recommended by local infection-control guidelines, which may include special conditions for certain types of infections.
After sterilization, dry the internal lumens with oil-free compressed air to prevent corrosion.
Maintenance
After every sterilization cycle, apply two to three drops of approved handpiece lubricating oil into the drive air inlet.
Inspect the ceramic bearings weekly; replace if rotation becomes rough or noisy.
Check the LED brightness and the coupler O-rings regularly; replace worn parts promptly.
Do not disassemble the turbine assembly; internal service must be performed by authorized technicians.
Store the handpiece in a clean, dry environment after cleaning and sterilization.
(1)O-ring Replacement (fiber-optic models)
If water appears in exhaust tubing, replace the complete O-ring set:
1)Unscrew and remove rear cone ring.
2)Remove old O-rings manually.
3)Install new O-ring set correctly.
4)Re-tighten cone ring firmly.
*Refer to spare-parts list for correct items.*
(2)Coupler Maintenance (fiber-optic models)
1)Detach coupler from hose.
2)Remove rear washer.
3)Pull out water tube and replace check valve.
4)Insert new check valve and reinstall rear washer.
Troubleshooting
If the handpiece fails to rotate, verify air pressure and add lubricant as required.
If the bur slips, replace the chuck mechanism.
If the LED does not illuminate, ensure the module is fully seated or replace the LED bulb.
If water leaks at the coupler, replace the O-ring.
Package Contents
One fiber-optic high-speed handpiece
One quick coupler (four-hole or six-hole, per order)
One user manual
One quality certificate
Optional spare LED bulb (included in some packages)
Warranty
NiceDen products carry a warranty covering material and manufacturing defects; terms vary by product line. Warranty is void if failure results from misuse, unintended use, unauthorized tampering or use of non-genuine NiceDen parts. Spare parts for discontinued models are supplied for at least seven years after discontinuation.
Important Notes
Contraindications & cautions:
1.Hemophiliacs: use with extreme caution due to bleeding risk.
2.Pacemaker or severe arrhythmia patients: contraindicated—electric motor may interfere.
3.Cardiac patients, pregnant women, young children: use with extra care.
4.Do not use simultaneously with high-frequency surgical devices.
5.Avoid impact or dropping the handpiece.
6.Never press head cap while rotating; risk of patient injury.
7.Do not use damaged burs (bent, cracked, deformed, or non-compliant).
8.Do not direct light into patient’s eyes—risk of harm, especially to cataract patients.
9.Never run handpiece without bur or without bur fully locked.
10.Do not use disinfectants containing acetone or immerse in disinfectant.
11.Replace cartridge if noise becomes excessive after use.
12.Avoid rapid heating or cooling.
13.Do not use dry-heat cycles if chamber >135 °C.
14.Do not operate with air on if bur is not installed—bearing damage may result.
15.Maintain air compressor and filters regularly; use clean, dry air.
Ensure interior is moisture-free before thermal washer-disinfector or lubrication.
Never clean with benzene, thinners or sharp tools on fiber-optic rod.
Do not force wire into ports; may block coolant spray.
Never blow compressed air into handpiece head.
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