Lares Research 557 Instructions For Use Manual Download Page 33 | Manualshive

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CAUTION

Hazard from rotating bur.
Lacerations.
Do not touch rotating bur!

5.4

Removing the carbide or diamond bur

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Summary of Contents for 557

Page 1: ...ico CA 95973 USA Tel 530 345 1767 Fax 530 345 1870 Manufacturer Lares Research 295 Lockheed Ave Chico CA 95973 USA www laresdental com 1 888 333 8440 Copyright by Lares Research 2019 Di t ib t d b M f t Swivel Highspeed Handpiece Instructions For Use ...

Page 2: ...Technical Specifications ii ...

Page 3: ...fications ii 1 Product Description 1 2 Introduction 4 3 Safety 7 4 First Use 15 5 Operation 21 6 Reprocessing Maintenance 32 7 Troubleshooting 47 8 Warranty Terms and Conditions 57 9 Replacement Parts 60 iii T A B L E O F C O N T E N T S ...

Page 4: ... intended for dental treatment Any other type of use or alteration to the product is impermissible and can be hazardous The handpiece is intended for the following uses Removal of carious material cavities and crown preparations removal of fillings processing of tooth and restoration surfaces A medical device according to relevant national statutory regulations ...

Page 5: ... P T I O N 2 Indications for Use The Lares Research 557 and 757 handpieces are intended to be used by a licensed dental professional to reduce hard tooth structure carry out cavity preparations and perform restorative dentistry ...

Page 6: ... safety regulations The applicable accident prevention regulations These instructions for use According to these regulations it is the responsibility of the user to Only use equipment that is operating correctly Use the equipment for the proper purpose Protect him or herself the patient and third parties from danger and Avoid contamination from the product P R O D U C T D E S C R I P T I O N 3 ...

Page 7: ...t advanced highspeed handpiece available By following these instructions you will be able to work smoothly economically and safely WARNING For professional use only This product is intended for use only by licensed dental professionals Before operating handpiece carefully read and follow these instructions Observe all cautions and warnings during use ...

Page 8: ...N T R O D U C T I O N 5 SYMBOLS Refer to the Chapter on Safety Warning symbol Important information for users and service technicians Action request Can be sterilized with steam up to 135 C 275 F i 134 C ...

Page 9: ...nicians WARNING For professional use only This product is intended for use only by licensed dental professionals Before operating handpiece carefully read and follow these instructions Observe all cautions and warnings during use CAUTION Caution United States federal law restricts this device to sale by or on the order of a dentist 21 CFR 801 109 ...

Page 10: ...ty instructions listed here together with the three levels of danger will help avert damage and injury Structure DANGER The introduction describes the type and source of the hazard This section describes the potential consequences of non observance The optional step includes necessary measures for hazard prevention ...

Page 11: ... E T Y 8 CAUTION CAUTION Indicates a hazardous situation that can cause damage to property or mild to moderate injuries WARNING WARNING Indicates a hazardous situation that can cause death or serious injury ...

Page 12: ...rregular running noise excessive vibration unusual warming or when the bur cannot be held securely by handpiece Do not use further and have handpiece serviced 3 2 Safety instructions DANGER Indicates a hazardous situation that can directly cause death or serious injury DANGER WARNING ...

Page 13: ...ces to enter the tissue Using the handpiece in the presence of an open wound may result in subcutaneous emphysema and accompanying serious patient health hazards including permanent disability or death Treatment with instruments operated by compressed air must be discontinued when soft tissue is damaged in the oral cavity S A F E T Y ...

Page 14: ...ar and malfunctioning from improper storage during long periods of nonuse Reduced product life The handpiece should be cleaned serviced and stored in a dry location according to instructions before long periods of nonuse CAUTION ...

Page 15: ...pping the handpiece After treatment place the handpiece properly in the handpiece nest without the bur CAUTION Burning hazard from hot handpiece head and instruments head cap If the handpiece overheats burns may arise in the oral area Never contact soft tissue with the handpiece head Do not use handpiece head as a cheek retractor S A F E T Y ...

Page 16: ...y reasons we recommend that the push button chuck system be checked before each use Note i Hazard from use as a light probe Do not use the device as a light probe with the bur rotating The rotating bur can cause injury CAUTION ...

Page 17: ...thods described in this Lares Research Instructions for Use and the care products and care systems described therein must be used Lares Research recommends specifying a service interval to clean service and check the functioning of the handpiece This service interval depends on the frequency of use and should be adjusted accordingly WARNING Service may only be carried out by Lares Research trained...

Page 18: ... malfunctions and lead to premature bearing wear Make sure that the supply of cooling air is dry clean and uncontaminated Hazard from non sterile handpieces Infection danger to the care provider and patient Before first use and after each use prepare and sterilize the handpiece WARNING CAUTION 4 First Use ...

Page 19: ...MaxPower LED coupler some models in order to regulate the amount of water 4 2 Check the amount of water that flows from the handpiece CAUTION Overheating of the tooth due to insufficient amount of cooling water Insufficient cooling of tooth structure during restoration can lead to dental nerve necrosis and tooth loss Adjust the water amount for the spray cooling to a minimum of 50 cm3 min 3 1 inch...

Page 20: ...F I R S T U S E 17 Check spray water ports and if necessary clean spray nozzles with the spray port cleaning tool Cat No 10541 ...

Page 21: ...ommended Attach the air gauge cat no 10062 to the Lares MX swivel MaxPower LED coupler and check the pressure Drive air 2 2 to 2 8 bar 32 to 40 psi minimum 2 2 32 bar psi Ensure the dental unit water pressure is set Water 0 8 to 2 5 bar 11 to 36 psi Ensure that if applicable chip air pressure is set Chip air 1 0 to 2 2 bar 14 to 32 psi 4 3 Check the supply pressures F I R S T U S E ...

Page 22: ... could affect the eye The materials can be hard and sharp with the potential to damage unprotected eye Use proper eye protection for the practitioner staff and patient CAUTION Risk due to procedure generated aerosols Air driven devices create a plum of bio contaminated air close to procedure site Use proper face personal protective devices to reduce inhalation of procedural aerosols WARNING ...

Page 23: ...4 Check the swivel coupler O rings Number of available O rings 5 Missing or damaged O rings Malfunctions and premature failure Make sure that all O rings on the coupling are undamaged CAUTION F I R S T U S E ...

Page 24: ...of contamination from reflux or back suction then attach the handpiece and flush for an additional 20 30 seconds Transportation and storage conditions CAUTION It is hazardous to start up the handpiece after it has been stored in a refrigerated environment This can cause the handpiece to malfunction Prior to start up very cold products must be heated to a temperature of 20 C to 25 C 68 F to 77 F ...

Page 25: ...piece that is not properly locked in place can release from the Lares MX swivel MaxPower LED coupler during treatment Before each use check if the handpiece is securely locked onto the Lares MX swivel MaxPower LED coupler by pulling on it 5 1 Attach the handpiece WARNING ...

Page 26: ...Power LED coupler or reduce its service life Check the seat of the handpiece on the coupling by pulling on it O P E R A T I O N 23 Mount the handpiece completely on the Lares MX swivel MaxPower LED coupler and push it backward until the coupler audibly locks in the handpiece Pull on it to make sure that the handpiece is securely affixed to the coupler CAUTION ...

Page 27: ...tached to coupler for extended periods may cause water deposits and corrosion which may reduce its service life Detach handpiece from swivel coupler at the end of each day 5 2 Remove the handpiece from coupler Hold the coupling tight pull the handpiece off while twisting slightly CAUTION O P E R A T I O N ...

Page 28: ... that correspond to ISO 1797 type 3 that are made of steel or hard metal and meet the following criteria Shaft diameter 1 59 to 1 60 mm 0 0626 to 0 0630 inches Shaft clamping length 11 mm Working part diameter maximum 2 mm O0 080 inches Do not use burs or diamonds with grooves on the shank see figure ...

Page 29: ...figure previous page Never use carbide shank burs Never use burs or tools with speed limit below maximum handpiece speed Use of impermissible burs Injury to the patient or damage to the handpiece Observe the instructions for use and use the burs properly WARNING O P E R A T I O N ...

Page 30: ...r burs Burs could fall out during treatment and injure the patient Never use burs with worn shanks Never use burs with visible markings or damage on the shanks CAUTION Danger of injury from burs carbides or diamonds Infections or cuts Wear gloves when handling burs ...

Page 31: ... the bur securely use gloves or finger cots to prevent an injury or infection Insert the bur gently into handpiece until it stops Forcefully press the push button with your thumb Push the bur all the way in until fully seated Check that the bur is seated by pulling on it Fully seat all burs completely into the chuck before use WARNING 28 O P E R A T I O N ...

Page 32: ...Do not extend burs The bur could fall out and cause injury Fully seat all burs completely into the chuck before use WARNING O P E R A T I O N 29 NOTE Long fingernails may make bur changing difficult ...

Page 33: ...CAUTION Hazard from rotating bur Lacerations Do not touch rotating bur 5 4 Removing the carbide or diamond bur 30 O P E R A T I O N ...

Page 34: ...chucking system Never press button while the bur is rotating Remove the bur from the handpiece after treatment to avoid injury or infection while storing it After the bur has stopped rotating press the push button with your thumb and simultaneously pull out the bur 5 4 Removing the carbide or diamond bur ...

Page 35: ... has minimal effect on these instruments End of life is normally determined by wear and damage due to use Have the highspeed handpiece inspected and serviced after 300 uses or once per year whichever occurs first Note Definition of Preprocessing all necessary steps that must be completed between uses ...

Page 36: ...m gloves eye protection 5 µm particulate filter mask 6 1 Maintenance at the site of use chair side Remove all residual cement composite or blood without delay Clean and maintain the handpiece as soon as possible after treatment Remove the bur from the handpiece The handpiece must be dry when transported for cleaning and sterilizing Do not submerge or place it in a solution ...

Page 37: ... unit Ultrasonic cleaning may cause severe damage to the product Only clean manually 6 2 1 Cleaning Manual cleaning external Accessories required Warm tap water 40 C 5 C 104 F 10 F Brush e g medium hard toothbrush or comparable nylon bristled dental instrument cleaning brush CAUTION ...

Page 38: ...epeat the initial cleaning steps Apply Lares One Step Handpiece Conditioner using the appropriate nozzle by attaching it to the handpiece and applying the conditioner for two seconds over a towel or sink Install a shipping bur in handpiece and operate the handpiece for 45 seconds at full speed to expel excess lubricant Remove excess conditioner from the exterior of handpiece with a towel Remove th...

Page 39: ...M A I N T E N A N C E 36 6 2 2 Cleaning Automated external cleaning Not applicable 6 2 3 Cleaning Manual cleaning of the inside Not applicable 6 2 4 Cleaning Automated internal cleaning Not applicable ...

Page 40: ...ctant bath or disinfectant containing chlorine Handpiece damage may result Never disinfect in a thermo disinfector or manually 6 3 Disinfection 6 3 1 Disinfection Manual disinfection external Not Applicable 6 3 2 Disinfection Manual disinfection internal Not Applicable ...

Page 41: ... 6 3 3 Disinfection Machine disinfection external and internal Not Applicable 6 4 Drying Manual Drying Blow off the outside and inside with compressed air until water drops are no longer visible Automatic Drying Not Applicable ...

Page 42: ... burs in the handpiece Risk of injury from sharp or pointed burs Remove bur before servicing Premature wear and malfunctions from improper servicing and care Reduced product life Perform proper care regularly 6 5 Care products and systems Servicing ...

Page 43: ...res Research recommends applying handpiece conditioner after each time it is used i e after each cleaning and before each sterilization Remove bur Use the appropriate nozzle attached to the handpiece conditioner Insert the nozzle into the back of the handpiece and apply conditioner for two seconds while holding handpiece over a towel or sink Insert a shipping bur in handpiece Operate the handpiece...

Page 44: ...ndpiece Conditioner Fully seat the tip of the nozzle into the chuck Direct the handpiece and nozzle away from your body and towards an absorbant towel or trash can Depress the One Step Conditioner can top to spray for a minimum of two full seconds If overspray on towel appears discolored spray again for an additional two seconds and repeat until discharge is clean Wipe the excess conditioner from ...

Page 45: ...6 Packaging Prior to Autoclaving Note The autoclave bag must be large enough for the handpiece so that the bag is not stretched The quality and use of the autoclave bag must satisfy applicable standards be cleared to market and be suitable for the autoclave procedure Seal each handpiece individually in an autoclave bag M A I N T E N A N C E ...

Page 46: ...utoclaving Process handpieces in an autoclave CAUTION Premature wear and malfunctions from improper servicing and care Reduced product life Before each autoclave cycle service the handpiece with Lares One Step Handpiece Conditioner ...

Page 47: ...ay damage the handpiece Immediately remove the handpiece from the autoclave after the sterilization cycle to reduce condensation CAUTION Do not use Flash Sterilization Techniques These techniques are not validated for efficacy and damage to the handpiece may result CAUTION M A I N T E N A N C E ...

Page 48: ...75 F Autoclave with gravitation process for at least 15 minutes at 132 C 1 C 270 F 1 8 F Drying time 15 minutes minimum When autoclaving multiple handpieces in one autoclave cycle ensure that the autoclave s maximum load is not exceeded Follow the autoclave manufacturer s Instructions for Use 134 C 132 C ...

Page 49: ...he practitoner to ensure that the processing was actually performed using equipment materials and personnel in the practitioners facility to achieve the desired result This requires validation and routine monitoring of the process as specified by the autoclave manufacturer Use only FDA cleared equipment and materials for autoclaving and routine monitoring Cross Infection Hazard Do not deviate from...

Page 50: ...following the common sense problem diagnosis and corrective action procedures that follow If the problem cannot be corrected using these procedures return the handpiece directly to Lares Research Outside U S A return to your authorized Lares distributor Do not attempt to perform procedures other than those described ...

Page 51: ... G 7 1 Water Leak at Swivel Coupler Connection Replacing the O rings on the swivel coupling Note The O ring on the coupling may only be lubricated with Lares One Step Handpiece Conditioner spray Press the O ring between your fingers to form a loop Push the O ring to the front and remove it Repeat until all o rings are removed Insert new O rings into the grooves CAUTION 48 ...

Page 52: ...xpelled by handpiece Replace bur if loud noise or vibrations continue during operation 49 Discard damaged or defective bur 7 2 Excessively loud or shrill operating noise or high vibration chatter Bent or damaged bur replace bur with new one and operate handpiece CAUTION Replace turbine Worn or damaged bearings T R O U B L E S H O O T I N G ...

Page 53: ...ne speed Straighten hose or replace if blocked Worn or damaged bearings Replace turbine 7 4 Bur slips walks out of chuck during operation Using incompatible burs with undersize shank diameters at or worn below ISO 1 59 1 60mm Visually inspect for wear or damage Discard worn burs Purchase burs with compliant shank diameters T R O U B L E S H O O T I N G ...

Page 54: ... burs with steel shank materials Using incompatible burs with identifying grooves on the shank Discontinue use of grooved burs Purchase burs without identifying grooves Chuck is worn from long use Purchase replacement push button turbine or have handpiece repaired T R O U B L E S H O O T I N G ...

Page 55: ...i 220 275 kPa at the end of handpiece tubing Dry bearings due to lack of lubrication Lubricate with Lares One Step Handpiece Conditioner Worn or damaged bur or diamond Replace bur or diamond and test cutting power Discard worn or defective bur Turbine contaminated with debris due to dirty air supply Flush repeatedly with Lares One Step Handpiece Conditioner Inspect air system dryers filters for co...

Page 56: ...r flow Clogged water or air ports Clean out water spray ports or diffuser with spray port cleaning tool cat no 10541 included with the handpiece Clogged dental unit water or air filters or screens Inspect and clean or replace clogged filters or screens Hose kinked twisted or leaking Straighten hose or replace if leaking 53 T R O U B L E S H O O T I N G ...

Page 57: ...eating of the medical device and damage to the tooth Check the spray water channels and clean the spray nozzles with the spray port cleaning tool cat no 10541 if necessary Do not cut tooth without water spray CAUTION T R O U B L E S H O O T I N G ...

Page 58: ...Clean swivel coupler with alcohol Dry thoroughly and re lubricate with Lares One Step Handpiece Conditioner Lack of lubrication Lubricate with Lares One Step Handpiece Conditioner Dented or bent swivel coupler Replace swivel coupler Damaged swivel coupler O rings Replace O rings and lubricate coupler 55 T R O U B L E S H O O T I N G ...

Page 59: ...utput discolored due to low intensity setting Replace source lamp or increase source intensity setting Light source beyond service life Replace light source bulb or lamp REPAIR SERVICE For factory repair send your handpiece directly to Lares Research Attention Technical Services Department shipping prepaid in USA only For repair outside the USA send your handpieces to your authorized Lares distrib...

Page 60: ... any nature whatsoever in particular with respect to compensation are excluded In the event of default gross negligence or intent this shall only apply in the absence of mandatory legal regulations to the contrary Lares will not warranty and cannot be held liable for defects and their consequences that have arisen or may arise from natural wear improper handling cleaning or maintenance non complia...

Page 61: ...manipulations or changes to the product by the customer or a third party Service warranty claims will only be accepted when product is submitted directly to Lares Research attention Technical Service Department The serial number must be clearly visible on the product For warranty repairs outside the USA contact your local authorized Lares distributor W A R R A N T Y 58 ...

Page 62: ...ibutor for all maintenance and repair questions W A R R A N T Y 59 Hazard from non Lares replacement parts Use of non genuine parts not manufactured by Lares will void the Lares Limited Warranty and their use may cause malfunction that could lead to serious patient injury This handpiece performs properly when maintenance and repair are performed with genuine Lares parts installed in accordance wit...

Page 63: ...9 Replacement parts and Accessories R E P L A C E M E N T P A R T S 60 ...

Page 64: ...Lares Research 72609 Rev 12 19 ...

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