Ear Wash System
Contents
1. 6 During the irrigation provide inquiries about patient comfort to pro vide confidence Periodically stop irrigation View the ear canal using an otoscope to check on progress Wax evacuation is not always evident watching the ear tip suction tubing 7 Ifthe temperature of the irrigating water becomes too hot the unit will restrict the flow to the handle while continuing to dis charge out the bottom of the unit For the unit to reset bring the water temperature down to a safe level by adjusting the knobs on the faucet until the water cools sufficiently 8 Release the actuator and keep the ear tip in the canal for 5 to 10 sec onds to vacuum any residual irrigating water NOTE The procedure typically takes 30 seconds to 5 minutes depending on the type of cerumen and whether or not a wax softening agent is used In severe cases the process could take longer 9 When the irrigation is complete grasp the tab located on the dispos able ear tip and pull the ear tip off of the handle with a downward motion Please place in an appropri ate receptacle poen Pull Tab If there is no water flow out of the ear tip and the actuator is depressed check to see if the hot water shut off has tripped by running cold water through the unit This should restore water flow to the han A dle A Ear tips are intended for single use only Discard after use 10 administer a few drops of the following soluti2. Rinse handle thoroughly with water after cleaning solution is To High Level Disinfect the Unit Prepare at least 2 cups of 5596 Ortho Phthalaldehyde solution Welch Allyn recommends the use of Cidex OPA Pour at least 2 cups of the solution into the top opening of the coupler Replace the chamber on the faucet and submerge the handle interface surface where the tip attaches into the solution Turn on the water Do not squeeze the actuator After half of the solu tion is removed turn the water off Remove handle from solution and rest it in the handle rest grip ring This will trap the solution in the return line and allow effec tive disinfection Follow the manufacturers recommendations on soak times for maximum benefit Remove the chamber from the faucet To remove any residual disinfecting solution in the tubing place the open end in the sink squeeze the actuator and the solution will run out into the sink basin p If hard water calcium buildup is a concern a solution of 10096 vine gar can be substituted Allow the vinegar to soak in the chamber for no more than 2 3 minutes A final flush of isopropyl alcohol is required Do not use solutions that contain chlorohexidene gt Do not sterilize the unit with other methods such as ETO or auto clave These methods may damage the unit 13 Troubleshooting If your Welch Allyn Ear Wash System is experiencing problems consult the following table to
3. To Clean the Unit Remove the ear tip and discard Clean the outside of the chamber handle and hose with a soft cloth saturated with a mild solution of soap and water Detach the chamber from the faucet Leave the hoses attached to the unit Prepare a 4 cup solution of soapy water Pour 1 2 cup of the solution into the top open ing of the coupler Save the remainder of the solution for later steps in this procedure Replace the chamber on the faucet and sub merge the handle interface surface where the tip attaches into the solution Turn on the water Squeeze the actuator to allow the solution to flow from the handle into the container The suction line will remove the solution Continue this process for 5 minutes Remember to keep the exposed tip of the handle submerged in the solution Remove both tubes from the chamber and allow the chamber to drain Remove the chamber from the faucet To remove any stagnant solution in the tubing place the open end in the sink Squeeze the actuator and the solution will run out into the sink basin Allow the chamber to drip dry Place the unit in its holding con tainer To facilitate a recommended thorough flush and faster drying time pour isopropyl rubbing alcohol inside the chamber and hoses To Disinfect the Unit Follow Cleaning instructions except replace the soapy water with a 2 cup solution of isopropyl rubbing alcohol or a 1096 bleach 9096 water solution used
4. and symbols described below A ERIE ATTENTION Refer to the operating instructions This symbol is intended to advise the user of the presence of important oper ating or maintenance instructions in the documents accompa nying the instrument C Performance specifications verified by ETL Laboratories The CE mark on this device indicates that it has been tested C and conforms to the provisions noted within the 93 42 EEC A A Medical Device Directive Authorized European Representative Address European Regulatory Manager Welch Allyn Ltd Navan Business Park Dublin Road County Meath Republic of Ireland Telephone 353 46 67700 Fax 353 46 27128 Only a licensed health care professional or a properly trained per son under the direction of such a professional should perform the irrigation procedure Always inspect the ear before attempting any irrigation Do not irrigate with this device a if a perforated tympanic membrane is documented in the patient s chart or observed on inspection b if a perforated tympanic membrane is suspected or c if the tympanic membrane cannot be visualized on inspection Note that sometimes small perforations are evi dent only as an immobile tympanic membrane Irrigation is not advised if the patient presents with severe pain vertigo espe cially with nystagmus sensorineural hearing loss active and sig nificant bleeding or severe tinnitus Irrigation in a patient with a perforat
5. the top of the chamber aerator and line it up with the blue irrigation port on the chamber 2 Gently press the chamber aerator against the chamber until it is snug NOTE The chamber aerator is only capable of attaching to the chamber if it is aligned correctly It should go on relatively smoothly and there is no need to force it onto the chamber Notch Using the Ear Wash System Steps for Irrigation It is essential to follow the technique described in this section for using the Ear Wash System to minimize patient discomfort and avoid the risk of perforating the tympanic membrane The factors determining the risk of perforating the tympanic membrane while irrigating the ear canal are the water pressure at the point of dis charge and whether the discharged flow of water directly impinges on the tympanic membrane The typical range of water pressure at the point of discharge in the ear tip of the Ear Wash System is 10 13 PSI There is great variability among patients regarding susceptibility to perforation of healthy tympanic mem branes by pressure Present evidence suggests that a water pressure of 13 PSI may be capable of perforating healthy tympanic membranes in a very small percentage of patients estimated to be less than 0596 if the water flow directly impacts the tympanic membrane This small risk is avoidable if the water flow is directed to impact the wall of the ear canal so that only indirect turbulent flow reaches
6. 0 120 F 40 49 C Flow Rate from Ear Tip 100 134 mL 0 0264 gal of water per 20 seconds at operating pressure Source faucet Water Pressure Range 40 100 Psi 275kPa 690 kPa Minimum Source Water Flow Rate 7 5 l min 2 gal min Maximum Source Water Flow Rate 21 5 l min 5 7 gal min Water Pressure from Ear Tip Typical range 10 13 Psi 69kPa 90kPa Patents U S Patent Number 5 685 851 6 458 094 D453 376 D453 829 other patents pending Ear Tips e Bio compatible latex free insert type e One size fits patients from pediatric to adult e Single use only e Fits most round ear canals 23 WelchAllyn Printed in the U S A Welch Allyn Inc 4341 State Street Road PO Box 220 Skaneateles Falls NY 13153 0220 Tel 315 685 4560 1 800 535 6663 Part No 293044 1 Rev G
7. 173 Singapore 199555 Fax 011 49 7477 927293 Phone 011 656 291 0882 Fax 011 656 291 5780 Welch Allyn China Service Center Welch Allyn Ltd Australia Room 708 Central Plaza The Metro Center Unit 5 No 227 Huang Pi Road North 38 46 South Street Huang Pi District Rydalmere NSW 2116 Australia Shanghai 200003 China Phone 011 612 9638 3000 Phone 011 86 21 6327 9631 Fax 011 612 9638 3500 Fax 011 86 21 6327 9632 For service in Latin America and the Caribbean region contact MD International 11300 N W 41st Street Miami FL 33178 USA Phone 1 305 669 9003 Fax 1 305 669 1971 21 Replacement Parts and Accessories Ordering Information To order replacement parts or accessories contact your Welch Allyn Ser vice Representative or call the Welch Allyn Customer Service Depart ment in Skaneateles Falls NY USA directly at 1 800 535 6663 Monday through Friday 8 00AM to 8 00 PM EST Part Part Number Ear tips Case of Ear Tips 29360 Tubing Hose Assembly 29330 Aerator Adapter Kit 4 0 gpm Domestic snap aerator and 3 adapters 29373 Domestic International adapters 29381 Back flow Prevention Adapter 29399 Aerator 4 0 gpm 29372 22 Specifications General Specifications The specifications common to all of the major components of Welch Allyn Ear Wash System are listed the following table Operating Temperature 50 4104 F 10 40 C Storage Temperature 4
8. attachment problem Replace the ear tip with the tab side pointing upwards Tubing connection problem Ensure that both tube fittings are fit snugly into the chamber Incorrect technique Check the Quick Reference Guide to verify you are aiming the water correctly Suction not adequate Check suction by immersing tip only into a graduated cup Verify the suction is at least 180 ml per 20 seconds Difficulty removing ear wax Water too cold Slowly increase water tempera ture until desired results occur Water flow inadequate With an ear tip attached spray water from the handle into a graduated cylinder or measuring cup for exactly 20 seconds If there was less than 100 mL or more than 134mL of measured water replace the tip and repeat If the results are the same con tact your Welch Allyn Technical Service Department Patient has very hard ear wax Apply ear drops for about 5 10 minutes then retry If unsuccess ful have patient apply ear drops overnight then retry Rotate tip within the ear canal to direct stream of water to differ ent areas rather than the same spot Lack of a clean water stream coming from ear tip Installation of ear tip has caused a problem Apply a new ear tip with the tab side pointing upwards 15 Problem Possible Cause Solution The water splash is making a mess or splashing onto adja cent el
9. e hot or cold water will impact the pressure 3 Check the temperature of the irrigating water by looking at the thermal sensor while depressing the water flow actuator If the thermal sensor is blue the irrigating water is not warm enough If the thermal sensor white the water temperature is at least 90 F and the procedure may begin You must depress the actuator on the handle for the temperature sen sor to function correctly and or light headedness Please verify that the thermal indicator is f If the water is too cold the patient may become experience vertigo white before proceeding with the irrigation 4 To irrigate the ear grasp the patient s pinna Pull gently back to straighten a child s ear canal or up and back for an adult While maintaining tension on the pinna insert the tip of the handle into the ear to create a seal Tilt the handle so the ear tip is directed away from the longitu dal axis of the ear canal and toward any point on the wall of the ear canal Squeeze the actuator on the handle and slowly rotate the tip By adjusting how much force you push on the actuator some control over the flow rate is attained 5 Itis important to aim the stream of water away from the longitu dal axis of the ear canal and toward the ear canal walls by tilting and rotating the handle during the irrigation Flood the ear with water The suction return system will return the discharge away from the ear
10. ectrical units Excess water pressure from the water line Ensure that the chamber aerator is attached to the bottom of the chamber The water pressure from the ear tip seems too high or too low Installation of ear tip has caused a problem Apply a new ear tip with the tab side pointing upwards There is leakage from the chamber aerator and or adapter Tighten the aerator and or adapter with a pair of pliers The return water exit port is clogged on the bottom of the cham ber Remove the chamber from the faucet and dislodge any foreign materials from the exit port Pro ceed with the normal cleaning procedure There is an internal malfunction Check water pressure from the sink With an ear tip attached spray water from the handle into a graduated cylinder or measuring cup for exactly 20 seconds If there was less than 100 mL or more than 134mL of measured water replace the tip and repeat If the the flow is still above 125 ml 20 seconds either add regu lation to the faucet or move to a faucet with adquate water pres sure and flow Otherwise con tact your Welch Allyn Technical Service Department Sensor not turning white even though water feels warm coming out of the bottom of the unit The sensor is defec tive Replace handle hose assembly Delay in change of color Keep water flowing from handle so that warm water reaches the sensor to change its colo
11. ed tympanic membrane may result in contaminating the middle ear with debris from the ear canal Use clinical discretion if the patient has acute otitis media chronic or complicated otitis media PE Tubes or is immunocompromised If the water is too cold the patient may experience vertigo or light headedness Please verify that the thermal indicator is white before proceeding with the irrigation Reimbursement Information Coverage Use of the Ear Wash System in the physician office is usually covered by payers when medically necessary Coding 69210 removal of impacted cerumen separate procedure one or both ears Payment payment for use of the Ear Wash System varies by payer plan and provider contract and may be separately payable in the physician s office setting Getting Started Unpacking and Verifying Contents Inspect the packaging for any damage incurred during shipping If you find any damage notify the carrier Complete and return the warranty registration card It validates the war ranty and allows Welch Allyn to send announcements of product enhancements When you unpack your new Welch Allyn Ear Wash System verify that the following items are included e Water chamber e Handle Tubing assembly e One snap aerator e Three different faucet adapters e Chamber Aerator e One box of ear tips 25 ct e Storage Tray e Operating Instructional Manual e Quick Reference Guide e Warranty Card If any items are missing
12. er to handle Make sure there are no kinks or obstructions If hose is kinked replace hose If there are obstructions remove hose and clean out If there are no kinks or obstructions go to step 3 Follow steps 4 and 5 above Take action as required Types of Cerumen Cerumen is the natural by product of the ear canal It lubricates the skin lining in the ear canal acts as a water repellent and entraps dust hair fol licles and foreign bodies Cerumen can take many different forms which affect the process and time to remove There are generally two different types of cerumen found in the ear canal dry and wet The following are subtypes of cerumen that you will commonly encounter and how they may affect the irrigation procedure White Flaky Cerumen This form of cerumen will easily dissolve in the irrigation water The irriga tion procedure is relatively short and a cerumenolytic agent is not always necessary Often you will not see solids trapped in the ear tip with this form of cerumen rather you will see some of the dissolved cerumen trapped in the ear tip screen The rest of the dissolved cerumen will leave through the exit port of the chamber Light Brown Jelly Like Cerumen This cerumen resembles the consistency of petroleum jelly and does not completely dissolve in the irrigation water Some solids may be present in the ear tip and the procedure time is slightly longer than for the white flaky variety A cerumenolytic a
13. find the symptom and the likely cause and the solu tion If the information in this table does not describe or solve the prob lem you are having contact the Welch Allyn Technical Service Department at 1 800 535 6663 1 315 685 4653 or an authorized Welch Allyn Distributor to help you See Service and Warranty Information Card for more information Problem Possible Cause Solution No water is coming out of the handle even though am pulling the actuator The temperature shut off safety feature has activated due to the hot water temperature Run COLD water through the system for 10 30 seconds This will reset the temperature shut off safety feature and allow water to flow again There is a kink in the tubing Make sure there are no bends in the tubing restricting the flow of water The tubing on the INSIDE of the handle is restricting water flow Remove the ear tip Turn off the faucet and disconnect the tubing from the chamber with the ends of the tubing in the sink and the actuator squeezed inject air with a syringe into the water jet port of the handle Squeeze Actuator WE Water Jet Port 14 Problem Possible Cause Solution Excessive water leak ing from the ear The water is not turned on high enough Turn the cold water on full in order for the suction system to work properly but still within the right temperature range Ear tip
14. gent is recommended to shorten the time of irrigation Dark Hard Cerumen This cerumen is often found lining the walls of the canal and forms a plug in the patient that can cause significant hearing loss Large solids of ceru men are seen trapped in the ear tip and the procedure time is often longer than the wet jelly like cerumen A cerumenolytic agent is often necessary to shorten the time of irrigation 18 Anatomy And Physiology Cerumen is produced in the outer third of the ear canal and natu rally moves to the outer ear as new tissue grows from the area around the tympanic membrane Normal cerumen routinely becomes a medical issue when it impedes the physicians ability to visualize the tympanic mem brane Less frequently cerumen can accumulate and harden in the canal causing occlusion of the ear canal In the most severe cases cerumen can become impacted in the deep bony canal causing pain and temporary loss of hearing Cerumenolytic Agents Cerumenolytic agents are those agents designed specifically to dissolve or soften cerumen Most softening agents particularly over the counter products contain carbamide peroxide which is the only agent the FDA con siders safe for loosening or softening cerumen In some instances it is necessary to soften cerumen prior to removal or instead of removal Cross Contamination Backflow Prevention At the time of this printing ear wax cerumen is not considered a biohazard Ho
15. he WelchAllyn Ear Wash System 29350 Operating Instruction Manual Table of Contents Introduction 620m ode tees e EE ESO LATE 1 Warnings and Symbols Luu 2 Getting Started 2 247 joey heen marea ex dg 3 Unpacking and Verifying Contents 3 Diagram of the Welch Allyn Ear Wash System 4 Faucet Aerator Installation 5 Chamber Aerator Installation 6 Using the Ear Wash System 7 Steps Tor IEEIGAIOI ssa whe doa Ra ae ee ce 7 Attaching the Tubing and Chamber 8 Attaching an Ear Tip tei et E Ren 8 FEIGRRRLUOTIA 2713 oR Wd nca oet t D A RP ce 9 Disassembly vs wes e da d ebsastaa wr da 11 Maintenance d sucede ny DEUS pd Du s s 12 Cleaning and Disinfecting the System 12 Troubleshooting esses 14 Types of Cerumen lllllees 18 Anatomy And Physiology 055 19 Cerumenolytic Agents 0 eee eee 19 Cross Contamination Backflow Prevention 19 Warranty and Service Information 20 VAS INI GRR EE ERE RT TTECET DIDIT a DE 20 Technical Service Department 21 Replacement Parts and Accessories 22 Ordering Information ius iut err LLLA Bee 22 Specifications 2 425 ns eh xr e Res ana S Rd 23 General Specifications ssa dy Ede gun 23 S LOTES us Ses hart ette eus be Remand Sete Ma i eias ieut a 23 E
16. o lS qa emo e b Rl o AY Shy ASA ROS 23 Introduction Thank you for purchasing the Welch Allyn Ear Wash System The Welch Allyn Ear Wash System provides a safer and more effective way to remove cerumen This method of irrigation is much cleaner and safer than other irrigation methods currently on the market The Welch Allyn Ear Wash System provides the following features e Patient Comfort Hydrovac action e Patient Safety High temperature water shut off Water pressure regulation inside chamber e User Friendly Visual temperature feedback sensor e Superior Engineering Fully functional at variable water pres sures as well as different faucets This manual describes how to operate and maintain the Welch Allyn Ear Wash System Please follow these instructions to ensure many years of accurate and reliable service Carefully read the instructions regarding the method on Using the Ear Wash System on page 7 to minimize patient discomfort and to avoid the risk of perforating a patient s tympanic mem brane For additional information on cerumen types and the irrigation process see the Types of Cerumen section About this Manual This manual serves as guide for ear irrigation using the Welch Allyn Ear Wash System The Welch Allyn Ear Wash System is intended for use by Healthcare Professionals Any use other than the intended use invali dates the manufacturer s warranty Warnings and Symbols This manual uses the icons
17. ons to the ear canal after the procedure is completed as a preventative measure 7096 Isopropyl Alcohol Hydrogen Peroxide e Solution of 1 part Vinegar 1 part Isopropyl Alcohol If the application of non sterile tap water in a patient s ear is a concern NOTE Discoloration or staining of the tubing can occur over time due to local water conditions and or introduction of other ear cleaning solutions Disassembly 1 Turn off the faucet and disconnect the tubing from the chamber Twist the fit ting when removing the hose from the chamber 2 Detach the chamber from the faucet Press down the white ring on top of the chamber and then pull the chamber from the snap aerator The chamber will drain through the open hose ports at the front and bottom 3 Toremove any stagnant water from the tubing place the open end of the tubing over the sink Hold the handle higher than the tubing and squeeze the actuator A Roll the tubing up into a coil holding the handle higher than the tubing B The water should run out of the open end into the sink basin Maintenance Cleaning and Disinfecting the System Clean or Disinfect Ear Wash System daily High Level Disinfect each time the unit is used on a patient with compromised skin Cleaning the unit eliminates any debris and reduces the number of micro organisms in the tubing Disinfecting the unit eliminates most bacteria and fungi growth To Prepare the Unit
18. please contact your Welch Allyn distributor This water chamber is designed for use with han pate dle tubing assemblies dated after March 2002 Code wu only The date code is located on the face of the 02 9 handle interface at the bottom of the crescent 03 pocket For safe use verify the plastic flow limiter is in ALL aer ators If your facility has multiple exam rooms with snap aerators you MUST inspect each one to verify the plas tic flow limiter is inside Replace all aerators that have missing components Call Welch Allyn Technical Sup port if assistance is needed Aerator Flow 4 0 gpm Plastic Flow Limiter Use the figure shown to familiarize yourself with the features of the Welch Allyn Ear Wash System of the Welch Allyn Ear Wash System ET Diagram 1 7 1 Snap Aerator 8 Water Flow Actuator 2 Snap Connector with white ring 9 Water Temperature Sensor 3 Handle Rest Grip Ring 10 Cerumen Trapping Screen in ear tip 4 lrrigation Port Irrigation water to 11 Water Jet Output ear blue 5 Return Port Return water from 12 Water Suction Input ear black 6 Return Water Exit Port 13 Disposable ear tip 7 Chamber Aerator 14 Ear Tip Removal Tab Faucet Aerator Installation line pressure does not exceed 100 PSI or flow rate of 5 7 gal lons minute If you suspect the line pressure or flow rate is greater have it tested prior to use of the Ear Wash Sys
19. r Algae fungus or other growth in hose Hose is not being prop erly disinfected See Cleaning and Disinfecting the System on page 12 Use a germicidal or anti bacterial soap or Cidex To properly test suction follow the steps below 16 If suction is too low replace the ear tip If suction does not improve go to step 2 Remove ear tip and place handle interface into water If suction improves replace handle hose assembly If suction does not improve go to step 3 Make sure hose from handle to black fitting is not kinked and is free of obstruction Replace hose if it is kinked Clean it out if it is obstructed If the hose is not kinked or obstructed go to step 4 Check to see if water is flowing freely out of the bottom of the cham ber If no water is flowing from the chamber replace it If there is water flowing go to step 5 Check water faucet pressure flow rate Water flow out of the faucet should be at least 1 gallon per 30 seconds If the water flow is ade quate there is a blockage in the chamber Replace chamber If the flow is less than 1 gallon per 30 seconds the water pressure flow is inadequate Move to a faucet with adequate water pressure flow To properly test water flow there are a few stages 1 If water flow is too low replace the disposable ear tip Make sure the tab side points upwards If water flow does not improve go to step 2 Check hose from blue fitting on chamb
20. tem or contact Welch Allyn Technical Service Department ATTENTION This system is designed for use on faucets where 1 Remove your current aerator from your faucet including any original washers You may need to use a pair of pliers to remove your aerator If you still have diffi culty in removing it soak your current aerator in distilled vinegar for about twenty minutes and try again NOTE Failure to remove all parts of the aer ator from the faucet will affect the Ear Wash System performance 2 Ensure all snap aerator parts are intact and attach the assembly to your faucet by turning it counter clockwise If it does not fit locate the appropriate adapter from the kit included with the unit Attempt to match the adapter to your faucet and then attach the snap aerator Verify the rubber washer on the snap aer ator and adapter matches to the old washer on your faucet If you need to use the threadless universal adapter only available in certain regions you may need to remove the inner rubber o ring if it is too small for your faucet 3 Once the snap aerator is attached to the faucet the ear cleaning chamber is easily attached or removed You can still use your sink normally when the Ear Wash System is not attached Chamber Aerator Installation The chamber aerator is an optional attachment that is necessary if you are experiencing a significant amount of water splash around your sink 1 Find the notch located on
21. the tympanic membrane This technique will also minimize patient discomfort Pre Treatment Procedure Carefully grasp the pinna and administer the ear wax softener which will enhance performance Attaching the Tubing and Chamber 1 Connect the tubing to the chamber Match the black connector to the black return port on the side of the chamber Match the blue connector to the blue irri gation port on the lower side of the chamber 2 To attach the chamber to the faucet pull down the white plastic ring on the top of the chamber and then insert the chamber over the snap aerator on the faucet When the chamber is positioned release the white plastic ring The chamber is now secure Attaching an Ear Tip 1 Line up the grooves on the side of the ear tip with the corresponding indentations on the handle interface Verify that you are attaching the ear tip with the tab fac ing upwards 2 Press firmly on the ear tip until it is flush against the handle interface You will feel a slight snap when the ear tip is in place Irrigation 1 Initially you may cover the patient with a cloth drape to eliminate splashing onto his or her clothes Once the technique of sealing the ear canal is mastered this is not necessary 2 Begin to run water through the unit by turning the hot and cold water on full power Adjust the water exiting the bottom of the chamber until it feels close to body temperature NOTE Reducing th
22. wever individual municipalities may place a higher level of concern where water is sucked back into the line from the Ear Wash when a negative line pressure condition exists You can order a back flow prevention adapter that meets all cur rent national and international requirements by calling Welch Allyn or obtaining one from your local hardware store watts model 8C To determine if this type of device is necessary con tact your local water authority 19 Warranty and Service Information Warranty Welch Allyn Inc warrants the Ear Wash System to be free of original defects in material and workmanship and to perform in accordance with manufacturer s specifications for a period of one year from the date of purchase If this instrument or any other component thereof is found to be defective or at variance from the manufacturer s specifications during the warranty period Welch Allyn will repair or replace the Ear Wash Sys tem or component s at no cost to the purchaser This warranty only applies to products purchased new from Welch Allyn or its authorized distributors or representatives The purchaser must return the product directly to Welch Allyn or an authorized Ear Wash Sys tem distributor or representative and bear the cost of shipping This warranty does not cover breakage or failure due to tampering mis use neglect accidents modification or shipping and is void if the instru ment is not used in accordance with Welch All
23. yn s recommendations or if repaired or serviced by other than Welch Allyn or a Welch Allyn autho rized representative NOTE Return of the instrument registration card is required for proof of purchase and warranty validation 20 Technical Service Department For customers in North America please return instruments requiring ser vice to Welch Allyn or an authorized Welch Allyn Service Representative Please call the Technical Service Department for a Return Authorization Number prior to shipping the Ear Wash System back to Welch Allyn for repair United States Canada Welch Allyn Inc Welch Allyn Ltd Canada Attn Technical Service Department 160 Matheson Blvd E Unit 2 4341 State Street Road Mississauga Ontario Canada L4Z 1V4 Skaneateles Falls NY 1314 0220 Phone 905 890 0004 Telephone 1 800 535 6663 Fax 905 890 0008 1 315 685 4560 Fax 1 315 685 3361 For customers outside of North America return your unit to a local authorized Welch Allyn distributor or to your nearest Welch Allyn service center Welch Allyn Ltd UK Welch Allyn France Cublington Road 814 rue Charles de Gaulle Aston Abbotts 77100 Mareuil les Meaux Buckinghamshire England HP22 4ND France Phone 011 44 0207 365 6780 Phone 011 33 1 60 09 33 66 Fax 011 44 0207 365 9694 Fax 011 33 1 60 09 67 97 Welch Allyn GmbH PSC Welch Allyn LTD Singapore Zollerstrasse 2 4 300 Beach Road 72417 Juningen Germany The Concourse 25 08 Phone 011 49 7477 927
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