EpiScope Skin Surface Microscope User Manual
Contents
1. WA Welch Allyn Episcope Skin Surface Microscope Operating Instructions Thank you for purchasing the Welch Allyn EpiScope Skin Surface Microscope The operating and maintenance instructions found in this manual should be followed to ensure many years of accurate and reliable service Please read these instructions thoroughly before using your new EpiScope Skin Surface Microscope Contents Introduction to Skin Surface Microscopy ssssssssssssseessss essen l Operating Instructions 2 Tables of Common Pigmented Lesions sssssssssssssseesssseesussseeeesssseeennssseen 3 6 Photographs of Common Pigmented Lesions sssi 7 8 Terminology eeeereeesererereenreeerereerrenreneeen 19 20 Care and Maintenance vvsesssescseesseesseeeseessneeessnecssneessneeesnnaressneessnnesseny 21 22 A Cleaning and Sterilization B Lamp Replacement Instructions Power Sources and ACCCSSOLICS s ssessesssesesseessessesseesesseessessesseessesssaseesseaneaneesss 22 23 WAHL sudnuidanemanduvsanaccunaeiunanweangneuncadumanmadnandy 23 Technical Specifications sssseesseessssssssssssssssstssttttttstttssttttttttetettttttttty 23 Bid te hceeraseca cece etree denise nE AOAO ATARE 24 Acknowledgments 24 Introduction to Skin Surface Microscopy The use of in vivo skin surface microscopy as a means of more accurately assessing pigmented skin lesions has been advocated for over four decades gt Recent studies have demonstrated th2. 70 by volume Ammonia 10 by volume Bleach solution 10 by volume Betadine 10 by volume Wescodyne 10 by volume The contact plate can withstand sterilization by any of the following Steam Autoclave 270 F 28 PSI 6 min cycle Cidex Cidex 7 Cidex Plus Betadine 10 by volume Wescodyne 10 by volume Clean contact plate with any recommended cleaning solution prior to using steam autoclave Wrap contact plate in a sterilization wrap and wipe clean immediately upon removal from autoclave Note Always follow manufacturers instructions for proper exposure time Lens Moisten cotton tipped applicator with 70 ethyl alcohol or a solution of water and mild detergent Clean debris from lens Note DO NOT use abrasive materials to clean lens Doing so can scratch and permanently damage optics system EpiScope Housing External housing may be cleaned with a mild detergent and soft cloth Warning DO NOT immerse skin surface microscope housing as lens may fog Storage Store skin surface microscope in dry clean area No 05232 Carrying Case accessory available which holds rechargeable handle and extra contact plate 21 B Lamp Replacement 1 Remove skin surface microscope from power source CAUTION Lamps may be hot Lamp should be allowed to cool before removal Halogen lamps are pressurized to provide maximum efficiency and illumination Mistreatment may cause shattering Protect lamp surface against a
3. This department under the chairmanship of Klaus Wolff MD has studied well over 7 000 pigmented lesions A selection of their photographs magnified 10 times the same magnifi cation as the Welch Allyn EpiScope Skin Surface Microscope are included in this manual accompanied by descriptive legends Where noted some of the photographs were taken at 16x to accentuate the benefits of ELM All the photographs were taken with a WILD M650 Wild Heerbrugg AG Heerbrugg Switzerland binocular stereo microscope equipped with an automatic Nikon F801 camera mounted on a side arm of the microscope and employing macro flash light illumination All of the photographs included in this manual are less than 6mm in diameter except where noted in the legends The diagnosis of the lesions included in this manual were confirmed histologically 1 2 3 4 5 67 Refer to page 24 for End Notes Operating Instructions l The EpiScope Skin Surface Microscope can be powered by any Welch Allyn 3 5v battery powered source A list of these power sources is found on page 22 of this manual Place the skin surface microscope on the top of the handle push down and twist it clockwise until it locks in place 2 Locate the lesion and examine for its surface structure To reduce the glare from the stratum comeum moisten the lesion with oil mineral oil petroleum jelly etc 3 Turn the skin surface microscope on by adjusting the theostat found on the power source a
4. brasions and scratches Use protective eyeglasses when handling Dispose of lamp with care 2 Lift out lamp with a nail file or similar tool inserted under base flange 3 Taking care not to touch the glass N surface insert new Welch Allyn No 03000 lamp and push firmly into place If lamp surface is smudged wipe clean with a soft cloth Lamp base contact pin should be slightly below metal base Replace skin surface microscope on power source Power Sources and Accessories Power Sources The EpiScope Skin Surface Microscope is compatible with any of these Welch Allyn 3 5v power sources 71000 Rechargeable battery handle This 3 5v rechargeable handle accepts all Welch Allyn 3 5v diagnostic instrument heads A convenient built in charger keeps portable instruments ready when needed Simply unscrew top cap and plug bottom section into any conventional 110v wall outlet Fast charging in only 14to 16 hours Cannot overcharge 71055 Rechargeable 3 5v handle and transformer export specify country and voltage Conforms to IEC 601 1 220 250v 50 60Hz 71670 Well recharging battery handle e Fits most manufactures charging wells Accepts all Welch Allyn 3 5v diagnostic instrument heads 22 71610 Desk Charger This unit offers both the convenience of automatic recharging and portability Complete unit includes charger No 71110 and 2 each 3 5v rechargeable handles No 71670 1 10 180v 50 60 HZ UL listed CSA
5. certified Constant automatic charging cannot overcharge e For convenient use with all Welch Allyn 3 5v instrument heads Compact charger base measures only 3 3 8 86mm x 7 1 4 184mm e Optional wall bracket 71605 Same as No 71610 but export specify country and voltage Conforms to IEC 601 1 220 250v S0 60Hz Accessories 47310 Reticle Contact Plate 47320 Plano Contact Plate 05232 Carrying Case Warranty The EpiScope Skin Surface Microscope is guaranteed by Welch Allyn against all manufacturing defects Welch Allyn will repair or replace free of charge any parts of its own manufacture proven to be defective through causes other than misuse neglect damage in shipment or normal wear Skin surface microscope contact plates are guaranteed for one year from date of purchase i 2 gt fog r A ya Seg ea a gea ea Ra AT y m RE an Ny C3 Bem oR gea Ee on be se oad ae FEELT AEO EIEE ho aN p E ae n n i a Semi Sager Sa BUS G ee Red Ge Tae T E aad Magnification 10x Focal Range correction 5D Focal Length 25mm 23 WA ES Welch Allyn Welch Allyn Inc 4341 State Street Road Skaneateles Falls NY 13153 0220 Telephone 315 685 4560 Fax 315 685 3361 Part No 473023 Printed in U S A
6. e effectiveness of this method and new terms have been developed to describe the unique images of the skin which are accen tuated by skin surface microscopy gt One of these new terms is Epiluminescence Microscopy ELM the application of oil on the lesion while performing skin surface microscopy It has been reported that in vivo epiluminescence microscopy provides for a more detailed inspection of the surface of pigmented skin lesions and by using the oil immersion technique which renders the epidermis translucent opens a new dimension of skin morphology by including the dermoepidermal junction into the macroscopic evaluation of a lesion Improvement in diagnostic accuracy when performing in vivo epiluminescence microscopy in a study of 318 small pigmented skin lesions that were diagnostically equivocal when examined with the naked eye was as follows for small nodular melanomas from 50 to 70 for superficial spreading melanoma in situ from 46 to 80 for invasive superficial spreading melanoma from 64 to 90 and for early lentigo maligna and lentigo maligna melanoma from 67 to 88 Conversely the diagnosis of pigmented Spitz nevi improved from 46 to 93 and of pigmented basal cell carcinomas from 60 to 90 Included in this manual are tables of criteria for pattern analysis of pigment ed lesions using epiluminescence microscopy established by members of the Department of Dermatology at the University of Vienna
7. nd gently rest it contact plate first over the lesion so that it is in the center of the contact plate 4 With your index finger on the knurled focusing ring adjust for optimal focus while your eye is resting on the eye guard When wearing eye glasses fold the rubber eye guard over the focusing sleeve to minimize focal distance Please note Focusing sleeve to work within operational focal range no greater than 1 from the skin surface 5 Observe the illuminated and magnified lesion making note of its General Appear ance Surface Pigment Pattern Border and Depigmentation See tables pages 3 6 of this manual for specific lesion criteria f Remove the contact plate for examination of raised moles or lesions Clean contact plate after each use according to Cleaning and Sterilization Instructions page 21 of this manual Important The physician should always take care to understand the clinical background of each patient A diagnosis should not be made solely on the ap pearance of the skin lesion while magnified by the skin surface microscope but instead must be based on a critical evaluation of all available criteria This instru ment is designed to provide the physician with a more accurate view of the lesion 2 Care and Maintenance A Cleaning and Sterilization Contact Plate The contact plate can withstand cleaning or disinfection by any of the following Cidex Cidex 7 Cidex Plus Isopropyl alcohol
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