Related Manuals for BRASSELER USA NL4500
Summary of Contents for BRASSELER USA NL4500
- Page 1 High Speed Air Turbine Handpiece Rx only Please read this Operation Manual carefully before use and file for future reference.
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Page 2: User And Indications For Use
1. User and Indications for Use User: Licensed Physician (Dentist) Indications for Use: The NL4500 is an air-powered dental handpiece with intended use of being a surgical tool for impacted third molar removal and periodontal procedures for which a conventional handpiece would... - Page 3 Hazard that could result in light or moderate injury or damage to the device if CAUTION the safety instructions are not correctly followed. General product specification information highlighted to avoid product NOTICE malfunction and performance reduction. Brasseler U.S.A. Dental, LLC hereinafter will be referred to as “Brasseler USA.”...
- Page 4 • When operating the handpiece always consider the safety of the patient. • Users are responsible for the operational control, maintenance and continual inspection of this product. • Do not attempt to disassemble the handpiece or tamper with the mechanism except as recommend by Brasseler USA in this Operation Manual.
- Page 5 Cautions • Under normal operating conditions air exhausts from the back of the head of the handpiece. Directing air into an open wound or beneath the mucosa or dermis may result in injury from air emphysema or embolism. • When using this handpiece do not direct the back of the head towards a tissue flap.
- Page 6 3. Setting of Air & Water Supply Pressure Measure the supply pressure at the handpiece / hose connection point and Chip Air Pressure Exhaust Water Pressure set the pressure to the value specified on the specification table. (Fig. 1) Air Pressure For Multi Gauge information refer to Option Parts List.
- Page 7 4. Connection & Disconnection of the Handpiece (NL4500) (1) Connection Retention Lock Ring 1) Insert the handpiece into the coupling.(Fig. 2) 2) Make sure the handpiece is firmly connected to the coupling. (2) Disconnection Pull back the Retention Lock Ring and remove the handpiece...
- Page 8 5. Insertion and Removal of the Bur 5-1 To Insert the Bur 1) Insert the bur until it is correctly seated in place. (Fig. 3) 2) Depress the Push Button and insert the bur into the chuck until it is secure then release the button. 3) Ensure that the bur is secure by gently pulling and pushing the bur WITHOUT depressing the Push Button.
- Page 9 • Do not exceed the bur speed recommended by the bur manufacturer. • Do not exceed maximum bur length recommended by Brasseler USA. • Do not apply excess pressure to the bur as it may break or bend or become difficult to remove.
- Page 10 Caution • When using a bur with a 25mm length, the working diameter must be within the value specified in the table below. Using a bur with an excessive diameter could cause bur run-out and bend or break the bur. Diamond Bur: ø2mm or less øa Carbide Bur: ø1mm or less...
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Page 11: Maintenance
6. Pre Check Check that the Head Cap is firmly tightened. Also check for handpiece vibration, noise and overheating. If any abnormalities are found do not use the handpiece and contact Brasseler USA. 7. Maintenance After each patient maintain the product as follows. Lack of maintenance could Clean Head Hole cause premature failure or overheating of the handpiece. - Page 12 7. Maintenance cont. 7-1 To Insert the Bur 3) Rotate the handpiece and immerse half of the handpiece head in the cup of water. (Fig. 5) 4) Rotate then stop intermittently the handpiece 3 times for 2 to 3 seconds each time.
- Page 13 Caution • After washing with Thermo-Disinfector and prior to lubrication, dry the handpiece until all internal moisture is thoroughly removed. Thermo-Disinfector moisture remaining inside the handpiece could reduce the effect of lubrication and could cause corrosion. • Never use and solvent such as benzine or thinner to clean the handpiece. Cotton Swab 7-3 Cleaning (Optic) Wipe clean the Glass Rod tip with an alcohol-immersed cotton swab.
- Page 14 7-4 Cleaning (Spray Point) Spray Port When spray ports are clogged, or spray does not exit evenly from the ports, clean the ports. (Fig. 7) Cleaning Wire Caution • Do not forcibly insert the wire into the port. Resultant port damage could cause the spray to be directed away from the bur, and the cooling efficiency reduces.
- Page 15 7-5 Lubrication NL4500 Spray Nozzle NSK PANA SPRAY Plus or other approved lubricant. Apply NSK PANA SPRAY Plus every time after each use and/or before autoclaving. 1) Remove the bur from the handpiece. 2) Insert the Spray Nozzle into the Spray Port nozzle on the can.
- Page 16 Chuck cleaning Clean Push Button chuck once a week. 1) Mount the arrow-head spray nozzle tip into the spray can port. Hole for bur attachment 2) Lubricate the chuck for 1 to 2 seconds directly through the bur insertion hole. (Fig. 9) 3) Lubricate handpiece by using NSK PANA SPRAY Plus (or other approved handpiece lubricant) (Fig.
- Page 17 7-6 Sterilization Sterilize the product by autoclave sterilization. Remove the bur after each patient and sterilize as noted below. 1) Insert into an autoclave pouch. Seal the pouch. 2) Autoclavable under the conditions below. Autoclave for more than 20 min. at 121˚C, or 15 min. at 132˚C, or 3 min. at 134˚C. 3) The handpiece should remain in the autoclave pouch until required for use.
- Page 18 • Autoclave sterilization is recommended for the product. The validity of other sterilization methods is not confirmed. • Do not touch the handpiece immediately after autoclaving as it will be very hot and must remain in a sterile condition. Notice • Brasseler USA recommends Class B sterilizers as stated in EN13060.
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Page 19: Replacing The O-Rings
3) Insert the complete set of new O-rings in the correct grooves. Fig. 10 4) Replace and firmly tighten the taper ring. *Refer to Spare Parts List to identify the correct parts. NL4500 Caution O-ring • Do not force the new replacement O-ring with excessive pressure. - Page 20 9. Replacing the Non-Retraction Valve A water Non-Retraction Valve is integrated in the coupling joint (the product below), which shuts off the water retraction directly at the handpiece head to prevent fluids infiltrating the water line. If water is beginning to leak from the handpiece, replace the Non-Retraction Valve.
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Page 21: Routine Maintenance Checks
10. Routine Maintenance Checks Perform periodical maintenance checks every three months, referring to the check sheet below. If any abnormalities are found, contact Brasseler USA. Points to Check Details Head cap is loose Check that the Head Cap is firmly tightened. -
Page 22: Specifications
11. Specifications Model NL4500 Hose Connection Type – Max. Rotation Speed 380,000-450,000 min Bur Type ISO 1797-1 ø1.59-1.60mm Surgical Long Shank Bur (25mm) Chucking Length 10.7mm Max. Bur Length 25mm Max. Working Part Diameter ø2mm Drive Air Pressure 0.25-0.3MPa (2.5-3.0kgf/cm2) (36.2- 43.5psi) Max. - Page 23 11. Specifications Optic Glass Rod Temperature: 10-40°C Use Environment Humidity: 30-75% Atmospheric Pressure: 700-1,060hPa Temperature: -10-50˚C Transportation and Humidity: 10-85% Store Environment Atmospheric Pressure: 500-1,060hPa *This handpiece is a water jet type. The coolant water is not sprayed.
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Page 24: Warranty
Warranty is voided should the handpiece not be used correctly or for the intended purpose or has been tampered with by unqualified personnel or has had non Brasseler USA parts installed. -
Page 25: Disposing Product
14. Disposing Product In order to avoid the health risks of operators handling the disposal of medical equipment, as well as the risks of environmental contamination caused thereof, a surgeon or a dentist is required to confirm the equipment is sterile. Ask specialist firms who are licensed to dispose of specially controlled industrial wastes, to dispose the product for you. - Page 28 Brasseler U.S.A. Dental, LLC One Brasseler Blvd Savannah, GA 31419 U.S.A.