Kowa SL-19 Instruction Manual

Hand-held slit lamp

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Hand-Held Slit Lamp

KOWA

INSTRUCTION MANUAL

Table of Contents

Summary of Contents for Kowa SL-19

Page 1 Hand-Held Slit Lamp KOWA INSTRUCTION MANUAL...
Page 3: Introduction
Introduction Congratulations on your purchase of the KOWA SL-19 (Basic Model). This manual provides a description of the operating procedures and important precautions to be observed during its use. Please read this manual carefully to ensure that the instrument can perform to its full capabilities and work saely.
Page 4 Warning Do not place a container or cup containing liquid near the instrument. Spilled liquid entering into the instrument may cause electrical shock. I liquid should be spilled into the instrument, contact KOWA or an authorized KOWA dealer for inspection.
Page 5: Components And Supplies
Components and Supplies Main unit and standard items Main unit (including battery box): 1 Batteries Dust cover: 1 Other Dry Cell Battery:3 *For operation check. Instruction Manual: 1 Depending on the country / region, these may not be included. Optional items Forehead rest (Model: SL-HR150): 1...
Page 6: Meanings Of Symbols
Meanings of Symbols Main unit...
Page 7 Meanings o Symbols Forehead rest　(optional item) Symbol for “Follow instruction man- Symbol for “To Recycle” ual for use” Symbolfor“DATEOFMANUFACTURE” Symbol for “Medical Decive” Symbol for “MANUFACTURER” Symbol for “Serial number” Symbol for “Authorised Representa- Symbol for “Type B applied part” tive in the European Community”...
Page 8: Operating Precautions
4) Never disassemble or adjust this instrument by yourself as it involves precision parts which require special tools. 5) KOWA is not liable for malfunction and/or damages resulting from maintenance and/or repairs performed by a third party other than an agent authorized by KOWA.
Page 9: Operational Considerations For A Hospital Grade Electrical Instrument (Safety And Accident Prevention)
In case this instrument is inuenced by other instrument, or it aects other instrument or there is such ear, relocate this instrument and other apparatus or extend the distance between those instruments. I you have any questions, please consult KOWA or an authorized KOWA dealer.
Page 10: Light Hazard
Light Hazard The KOWA SL-19 (Basic Model) is classied as a Group 2 device in ANSI Z80.36-2016. Reer to the ollowing or a thorough understanding. CAUTION: The light emitted rom this instrument is potentially hazardous. The longer the duration o exposure, the greater is the risk of ocular damage.
Page 11: Electromagnetic Compatibility
　・Forehead rest (SL-HR150) 　・KOWA SL-19 charger (SL-CB191)* 　・KOWA SL-19 power pack (SL-PP191)* 　・AC adaptor (adapted rom IEC62368) (GCF312S-0520 manuactured by GUCF) 　・USB cable (not more than 1.5m) (Elecom U2C-AC15NBK) *Depending on the country / region, the above items may not be available.
Page 12 Electromagnetic Compatibility <Main body and Forehead rest> Compliance for each emissions Emissions Test Compliance RF emissions Group 1 Class B CISPR 11 Conductive emission Not applicable CISPR 11 Harmonic distortion Not applicable IEC 61000-3-2 Voltage uctuations and icker Not applicable IEC 61000-3-3 Compliance for each immunity Immunity Test...
Page 13 Electromagnetic Compatibility Test specications or enclosure port immunity to RF wireless communications equipment Test Maximum Immunity Band Distance Frequency Service Modulation Power Test Level (MHz) (MHz) (V/m) Pulse 380 – 390 TETRA 400 modulation 18Hz GMRS 460, ±5 kHz 430 – 470 FRS 460 deviation 1 kHz sine...
Page 14: Table Of Contents
Contents Introduction ....................I Components and Supplies ............. III Meanings of Symbols ................IV Operating Precautions ................VI Operational Considerations for a Hospital Grade Electrical Instrument (safety and accident prevention).............. VII Light Hazard ...................VIII Electromagnetic Compatibility ..............IX Contents ....................XII Instrument Description................1 Indications for Use .....................1 Contraindications .......................1 Overview........................1...
Page 15: Instrument Description
Indications for Use The KOWA SL-19 is intended or use in eye examinations o the anterior eye segment, rom the cornea epithelium to the posterior capsule. It is used to aid in the diagnosis o diseases or trauma which aect the structural properties of the anterior eye segment.
Page 16: Name And Function O Each Part
1 Instrument Description Name and Function of Each Part ⑤ ⑥ ⑦ ⑫ ⑪ ⑩ ④ ⑨ ③ ① ② ⑧ ⑭ ⑮ ⑬ ㉒ ⑯ ㉑ ⑳ ⑱ ⑰ ⑲...
Page 17 1 Instrument Description Name Function and performance ① Slit dial Select slit width and spot. Three slit widths are available: 0.1 mm, 0.2 mm, and 0.8 mm. Select the light diameter of the spot and determine the length of the slit light. Three spot ②...
Page 18: Preparation
Preparation Installing batteries in the main unit When using alkaline dry batteries or Ni-MH rechargeable batteries (1) While pressing the tab, pull the battery box to remove it rom the main unit. (2) Firmly insert batteries in correct polarity positions as written on the battery box.
Page 19: Adjusting Interpupillary Distance And Diopter
2 Preparation Adjusting Interpupillary Distance and Diopter (1) Adjusting interpupillary distance Adjust the interpupillary distance by rotating the prism box let or right to obtain an appropriate eld o view through the eyepieces. Caution Do not adjust the interpupillary distance with ngers placed between the prism boxes.
Page 20: How To Use
How to Use Basic instruction (1) Using the grip, hold the main unit securely in your hand. (2) Place the thumb of the other hand on the side of the microscope unit and place the other ngers on the patient's orehead. (3) Stabilize slit width indication by adjusting the distance between the examined eye and the objective lens, depending on how wide the opening is between the thumb and the other ngers when put on...
Page 21 3 How to Use ● Adjust the slit light intensity Background light button Blue light button Turn the light intensity dial to the right to make it brighter and left to make it darker. ● Use background lighting Press the back light button to turn on the background illumination light.
Page 22: Optional Items
3 How to Use Optional items 3.3.1 Forehead rest Fitting screw Fixing base Retaining screw Cushion (1) Insert an object with a narrow tip into the gap on the top surface of Upper cover microscope unit to open the upper cover and remove it. (2) Attach the xing base to where the upper cover was attached and Fitting screw tighten the tting screw to secure it.
Page 23: Maintenance And Inspection
I the instrument will be not used or extended periods, remove the battery box rom the main unit and remove batteries from the battery box. Daily Inspection Follow the KOWA SL-19 (Basic Model) Daily Inspection Table for routine inspection of this device. KOWA SL-19 (Basic Model) Daily Inspection Table Inspection item...
Page 24: Replacing Batteries
4 Maintenance and Inspection Replacing Batteries The main unit indicator blinks when the battery level is low. In this case, replace the battery. Approximate Operating Time: About 360 minutes when the slit light is continuously turned on with the light intensity dial displaying "5" (maximum intensity) and with Ni-MH Rechargeable batteries (1900mAh) IMPORTANT ○...
Page 25: Cleaning
rom its center in a circular motion. Repeat this step several times. (3) I any soil cannot be removed by steps (1) through (2), contact KOWA or an authorized KOWA dealer. Use new lens cleaning paper every time you wipe.
Page 26: Troubleshooting
When a problem occurs, check the items shown below rst. Look or the problem rom those shown in the following list and apply the applicable remedy. If the applicable remedy does not eliminate the problem or you encounter a problem that is not listed, contact KOWA or an authorized KOWA dealer. Abnormal performance of the instrument Problem What to checkState of instrument...
Page 27: SpeciCations
Electrical Ratings DC 3.6  4.8 V Input voltage Power consumption 3.6 VA Other 107 (W)×197 (D)×238 (H) mm/620 g (No batteries) Dimensions/Weight 8 years Expected service life <Forehead rest> Optional item Type name SL-HR150 Overview KOWA SL series forehead rest...
Page 28 6 Specifcations Compliance Standard ・IEC 60601-1:2005+A1:2012 ・IEC 60601-1-2:2014 ・ANSI Z80.37:2017 Classifcation Equipment (based on IEC 60601-1) ・According to the type of protection against electric shock (Internal electrical power source device) ・According to the degree of protection against electric shock (Type B applied part) … Forehead rest ・According to the type o...
Page 32 World Sales Headquarters 4-14, Nihonbashi-honcho 3-chome, Chuo-ku, Tokyo 103-8433, Japan Phone : +81(3)3279-7639 Facsimile : +81(3)3279-7541 E - m a i l : life@kowa.co.jp U R L : http://www.kowa.co.jp/e-life/ Kowa Company, Ltd. Chofu Factory 3-1, Chofugaoka 3-chome, Chofu, Tokyo 182-0021, Japan ©...