Huvitz HNT-7000 User Manual
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Huvitz HNT-7000 User Manual

Noncontact tonometer
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---------------------------------------------------------------- NonContact Tonometer HNT-7000 1
User`s Manual
Auto Tonometer HNT-7000

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Summary of Contents for Huvitz HNT-7000

  • Page 1 ---------------------------------------------------------------- NonContact Tonometer HNT-7000 1 User`s Manual Auto Tonometer HNT-7000...
  • Page 2 HUVITZ reserves the right to make changes in its products or product specifications at any time and without prior notice, and is not required to update this documentation to reflect such changes..

  • Page 3: Table Of Contents

    ---------------------------------------------------------------- NonContact Tonometer HNT-7000 3 Contents Introduction ......................6 1.1. Overview ....................... 6 1.2. Classificaiton ....................6 Safety Information ....................7 2.1. Overview ....................... 7 2.2. Safety Symbol ....................8 2.3. Environmental Considerations ............... 9 2.4. Safety Precaution ..................11 Charateristics .......................
  • Page 4 NonContact Tonometer HNT-7000 --------------------------------------------------------------- 8.1.1 Composition of Window ................34 8.1.2 DISPLAY Mode ................... 35 8.2. User SETUP Mode ..................36 8.3. Power saving Mode ..................41 8.4. Before calling for serviceman ............... 41 8.4.1 Self diagnosis & Maintenance ..............41 8.5.
  • Page 5 ---------------------------------------------------------------- NonContact Tonometer HNT-7000 5 Main Specifications ..................... 57 Accessories ......................58...

  • Page 6: Introduction

    NonContact Tonometer HNT-7000 --------------------------------------------------------------- 1. Introduction 1.1 Overview Auto Non Contact Tonometer HNT-7000 is the equipment to provide.The information of examinee`s Intraocular pressure. Auto Non contact Tonometer HNT-7000 measured intraocular pressure of both eye by Full-Auto button. In particular, when a lot of lights are sensed the moment that compressed air is separated, prescription about glaucoma is possible by system that convert time to mmHg intraocular pressure after measure microseconds.

  • Page 7: Safety Information

    ---------------------------------------------------------------- NonContact Tonometer HNT-7000 7 2. Safety Information 2.1 Overview Safety is everyone’s responsibility. The safe use of this equipment is largely dependent upon the installer, user, operator, and maintainer. It is imperative that personnel study and become familiar with this entire manual before attempting to install use, clean, service or adjust this equipment and any associated accessories.

  • Page 8: Safety Symbol

    NonContact Tonometer HNT-7000 --------------------------------------------------------------- 2.2 Safety Symbol The International Electrotechnical Commission (IEC) has established a set of symbols for medical electronic equipment which classify a connection or warn of any potential hazards. The classifications and symbols are shown below. I and O on power switch represent ON and OFF respectively.

  • Page 9: Environmental Considerations

    ---------------------------------------------------------------- NonContact Tonometer HNT-7000 9 2.3 Environmental Considerations Please avoid the environment below for the operation and storage of the equipment. Where the equipment is exposed to water vapor. Don’t operate the equipment with wet hands. Where the machine is exposed directly to the sunlight.
  • Page 10 NonContact Tonometer HNT-7000 ------------------------------------------------------------- Where the machine can be exposed to the chemical or flammable substances. Please keep the equipment out of dust and do not let inserted any metal parts such as coins, clips, etc. Do not disassemble or open the machine. The manufacture shall have no responsibility for any problems caused by these.

  • Page 11: Safety Precaution

    The equipment must be operated only by, or under direct supervision of properly trained and qualified person/s. Modifications of this equipment may only be carried out by Huvitz’s service technicians or other authorized persons. Customer maintenance of this equipment may only be performed as stated in the User’s Manual and Service Manual.
  • Page 12 The equipment may only be used together with accessories supplied by Huvitz’s. If the customer makes use of other accessories, use them only if there are usability under technical safety aspects has been proved and confirmed by Huvitz or the manufacturer of the accessory.

  • Page 13: Charateristics

    ---------------------------------------------------------------- NonContact Tonometer HNT-7000 13 3. Charateristics Distance between eye and device are established automatically to measurement position. ( Working Distance : 11mm) Patient`s intraocular pressure of left/right eye automatically if press button once. The peak of the air pressure is automatically controlled within the range of 0 to 60 mmHg.

  • Page 14: Note For Use

    So, please do not use them. In case of moving HNT-7000, carry it holding the lower part of machine body with both hands as fixing the stage after switching the machine off all the time.

  • Page 15: Names And Functions Of Each Part

    ---------------------------------------------------------------- NonContact Tonometer HNT-7000 15 5. Names and functions of each part 5.1 Main parts [ Figure 1. Front Section ] 1. LCD TOUCH SCREEN : Selectiong for measurement and function parts 2. Operatin Lamp : Indicates whether or not the electric power is on 3.
  • Page 16 NonContact Tonometer HNT-7000 ------------------------------------------------------------- [ Figure 2. Back Section ] 1. Forehead Rest : Preventing the vibration by fixing the forehead. 2. Air Nozzle : Measuring the intraocular pressure on eyes. 3. Chinrest : Preventing the vibration by fixing the chin.
  • Page 17 ---------------------------------------------------------------- NonContact Tonometer HNT-7000 17 [ Figure 3. Bottom Section ] 1. Power Supply Socket : A socket connecting to exterior power plug 2. Serial Interface Connector : A terminal connecting to the exterior equipment.

  • Page 18: Explanation Switches In Front

    NonContact Tonometer HNT-7000 ------------------------------------------------------------- 5.2 Explanation Switches in Front [Figure 4. Front Section Switches] Num 1 : A switch to change the mode for measurement (FT/AT/MT) Num 2 : A switch to change the Shooting mode for measurement (A1/A3) Num 3 : The selected measurement range is displayed (IOP30/IOP60/SPC30/SPC60)

  • Page 19: Installation Of Equipment & Preparation Of Measurement

    ---------------------------------------------------------------- NonContact Tonometer HNT-7000 19 6. Installation of Equipment & Preparation of Measurement 1. Connection of Pwer Cable - Put HNT-7000 on the table. - Insert the power cable into power connector. at the bottom of the main body. - After checking that the power of the machine...
  • Page 20 NonContact Tonometer HNT-7000 ------------------------------------------------------------- 6. Transmission to Other Machines. In case of transmitting the measured results to other machines, prepare other machines while connecting the cable into the interface connector of this machine. You can select the transmitting speed in the user`s SETUP mode.

  • Page 21: Measurement

    ---------------------------------------------------------------- NonContact Tonometer HNT-7000 21 7. Measurement WARNING If the following situations happen, contact to the agents of Huvitz after immediately pushing the power switch off, and pulling the power cord out of AC Power connection part. ● In case that smoke comes, or strange smell or sound is heard from the equipment.
  • Page 22 NonContact Tonometer HNT-7000 ------------------------------------------------------------- Right eye DATA [ Figure 7. Measure mode Screen ] Left eye DATA 2. Check the measurement screen appeared on the monitor. NOTE ● If the measurement screen as shown in the above picture does not appear on the monitor screen, let the power switch “ON”...

  • Page 23: Manual Measurement Mode

    ---------------------------------------------------------------- NonContact Tonometer HNT-7000 23 7.2 Manual Measurement Mode As pushing FT button in the AUTO mode, it change to the manual measurement mode (MT). If you change “FT/AT” to “MT”, the auto measurement [ Figure 8. Manual Mode Screen ] ①...
  • Page 24 NonContact Tonometer HNT-7000 ------------------------------------------------------------- CAUTION -Make sure that the examinee should not put his or her hands or fingers under chin- rest. The hands or fingers can get injured. -For the prevention of infection, cleanse the forehead-rest with a solvent such as ethanol for every different examinee.
  • Page 25 ---------------------------------------------------------------- NonContact Tonometer HNT-7000 25 - Height Adjustment : Adjust it by rotating the operation ball mouse or chinrest button. - Left/Right Adjustment : Move the operation ball mouse left and right so that outer alignment ring is aligned with the circle ring.
  • Page 26 NonContact Tonometer HNT-7000 ------------------------------------------------------------- NOTE ●As the bright dot and pupil can not keep the same axis during the consecutive measurement, the error can be caused for measurement. ③ Measurement - Push the START button. - Used to choose among 1 times and 3 times and manual automatically in “Auto Shooting”...
  • Page 27 ---------------------------------------------------------------- NonContact Tonometer HNT-7000 27 - Measurement has been performed 6 times, the number of data sets used for the averaging is displayed of the average data. (Right /Left eye). [ Figure 10. Manual mode measurement data ]...
  • Page 28 NonContact Tonometer HNT-7000 ------------------------------------------------------------- ⑥ Print - Print the measured result by pushing the PRINT button. - The contents selected in SETUP mode is to be printed. - Cut the printing paper off from the end of it while lifting it.
  • Page 29 ---------------------------------------------------------------- NonContact Tonometer HNT-7000 29 [ Figure 11. Example of Print ]...

  • Page 30: Auto Measurement Mode

    NonContact Tonometer HNT-7000 ------------------------------------------------------------- 7.3 Auto Measurement Mode AS pushing MT button in Manual Measurement mode, it automatically change to the Auto measurement mode.(AT/FT) AT mode : Auto tracking in the right and left up and down directions is actived.
  • Page 31 ---------------------------------------------------------------- NonContact Tonometer HNT-7000 31 [ Figure 13. Auto Mode (FT/AT) Measurement Screen ] ③ Measurement of Another Eye - Measure the left eye according to the same procedure by moving the stage to the right side. - As the measurement to both eyes is completed, the value of intraocular pressure is to be indicated automatically on the screen of monitor.
  • Page 32 NonContact Tonometer HNT-7000 ------------------------------------------------------------- - The message selected in Setup mode is to be printed together with the measured data.
  • Page 33 ---------------------------------------------------------------- NonContact Tonometer HNT-7000 33 [ Figure 14. Example of Print ]...

  • Page 34: Other Modes

    NonContact Tonometer HNT-7000 ------------------------------------------------------------- Other Modes 8.1 Compensation mode of Cornea Thickness Cornea thickness compensation is mode to input cornea thickness to device and gets correct data to measure exactly patient's intraocular pressure. 8.1.1 Composition of Window [ Figure 15. Input data of Cornea Thickness ]...

  • Page 35: Display Mode

    ---------------------------------------------------------------- NonContact Tonometer HNT-7000 35 8.1.2 DISPLAY Mode You can see the measured results(Max ten(10) units of data) stored in memory in this mode. As pushing R.avr/L.avr button in the measurement mode,it can see measurement data. NOTE ● As pushing print button, the measured result stored in memory is to be printed out...

  • Page 36: User Setup Mode

    NonContact Tonometer HNT-7000 ------------------------------------------------------------- 8.2 User SETUP Mode It is to perform many setups relating to measurement, print-out, etc. As pushing Toothed Wheel button, it entered SETUP mode. [ Figure 17. Setup mode Information (page 1) ] [How to Change Page] As pushing “PAGE 1/2”...
  • Page 37 ---------------------------------------------------------------- NonContact Tonometer HNT-7000 37 [ Figure 18 . Setup mode information (Page 2)] [항목 내용] : 1/2 Page [Patient Count] Patient measurement count On/Off [Patient Number] Measurement patient number [Auto Tracking] Full(X,Y,Z) : Forward and backward, right and left, up and down direction...
  • Page 38 NonContact Tonometer HNT-7000 ------------------------------------------------------------- [Auto Shooting] 1 Shot : 1 times auto shot 3 Shot : 3 times consecutive auto shots [ Figure 20. Measurement mode Change ] [SPC MODE] Air Pressure automatic measurement by patient`s intraocular pressure. SPC 30 : The peak of the air pressue is automatically controlled within the range of 1 to 30 mmHg SPC 60 : 30 mmHg or more of intraocular pressure.
  • Page 39 ---------------------------------------------------------------- NonContact Tonometer HNT-7000 39 [Pressure Unit] : Selection of pressure unit (mmHg, hpa) [Cornea Thick] : Input data of Cornea Thickness (Left/Right) - Divide into 9 steps by focus position. - Too close to the patient`s eye - Rotate the scroll wheel and ball mouse to the operator side to move the main body away from the patient`s eye.
  • Page 40 NonContact Tonometer HNT-7000 ------------------------------------------------------------- [ Figure 22. Input data of Cornea Thickness ] [Print Mode] Stand : The measured result & built-in printer of max six(6)times are to Be printed out Average : Only average value is to be outputted printed out...

  • Page 41: Power Saving Mode

    ---------------------------------------------------------------- NonContact Tonometer HNT-7000 41 8.3 Power saving Mode The power saving function begins to operate if you do not operate the machine at all for three(3) minutes or so. It is to return to the measurement mode as pushing any button optionally in saving mode.
  • Page 42 NonContact Tonometer HNT-7000 ------------------------------------------------------------- operating. HEAD REAR END Optical head is position at back-end of drive extent. For additional tracking wheel back operating. HEAD RIGHT END Optical head is position at right-end of drive extent. For additional tracking Ball mouse right operating.
  • Page 43 ---------------------------------------------------------------- NonContact Tonometer HNT-7000 43 EYELID COVERED As measured, eyelid was shield. WEK APPL Applanation signal is feeble. The intraocular pressure exceeds the IOP OVER preset measurement range.(IOP) Touch the measurement range to “spc 60” or “IOP 60” and perform the measurement again.

  • Page 44: Replacement

    NonContact Tonometer HNT-7000 ------------------------------------------------------------- 8.5 Replacement 8.5.1 Printer paper As red line appears on the paper, immediately change the print paper with new one. ① Open the printer cover ② Cut the paper inserted in the printer, and take it away from it. Take paper roll together with shaft out of the printer, and pull the rotating shaft away from paper roll.

  • Page 45: Chinrest Paper

    Insert the pins into each one of two(2) holes in the chinrest. [ Figure 24. Replacement Chinrest paper ] 8.5.3 Replacing Fuse ① Turn off and raise the HNT-7000 with two arm carefully. ② Remove the Power cord ③ Pick the fuse holder out from the Power inlet ④...

  • Page 46: Cleaning Equipment

    NonContact Tonometer HNT-7000 ------------------------------------------------------------- 8.6 Cleaning Equipment ① The Equipment should be kept as clean basically. Do not use the solvents such as strongly volatile substance, thinner, benzene, etc. ② Put some soapy water to the soft cloth, and twist the water out of the colth.

  • Page 47: Service Information

    ---------------------------------------------------------------- NonContact Tonometer HNT-7000 47 Service Information Repair: If the problem is not solved in spite of the settlement according to the contents of chapter 8, please contact to Huvitz’s agent with the information on the following items. Name of Equipment Type : HNT-7000 Typical No.of Equipment : Typical number consisted of 8 digits and...

  • Page 48: Emc Information

    NonContact Tonometer HNT-7000 ------------------------------------------------------------- 10 EMC Information 10.1 Guidance and manufacturer’s declaration – electromagnetic emissions The EUT is intended for use in the electromagnetic environment specified below. The customer or the user of the EUT should assure that it is used in such an environment.

  • Page 49: Guidance And Manufacturer's Declaration - Electromagnetic Immunity

    ---------------------------------------------------------------- NonContact Tonometer HNT-7000 49 10.2 Guidance and manufacturer’s declaration – electromagnetic immunity The EUT is intended for use in the electromagnetic environment specified below. The customer or the user of the EUT should assure that it is used in such an environment.
  • Page 50 NonContact Tonometer HNT-7000 ------------------------------------------------------------- uninterruptible power (<95% dip in supply or a battery. Uт ) for 5 s Power frequency 3 A/m 3 A/m Power frequency (50/60Hz) magnetic fields should magnetic field be at levels character IEC 61000-4-8 ristic of a typical location in a typical commercial or hospital environment.

  • Page 51: Guidance And Manufacturer's Declaration - Electromagnetic Immunity

    ---------------------------------------------------------------- NonContact Tonometer HNT-7000 51 10.3 Guidance and manufacturer’s declaration – electromagnetic immunity The EUT is intended for use in the electromagnetic environment specified below. The customer or the user of the EUT should assure that it is used in such an environment.
  • Page 52 NonContact Tonometer HNT-7000 ------------------------------------------------------------- Field strengths from fixed RF transmitters, as deter-mined by an electromagnetic site survey, should be less than the compliance level in each frequency range. Interference may occur in the vicinity of equipment marked with the following symbol : NOTE 1) At 80MHz and 800MHz, the higher frequency range applies.

  • Page 53: Recommended Separation Distances Between Portable And Mobile Rf

    ---------------------------------------------------------------- NonContact Tonometer HNT-7000 53 10.4 Recommended separation distances between portable and mobile RF communications equipment and the EUT This is intended for use in an electromagnetic environment in which radiated RF disturbances are controlled. The customer or the user of the EUT can help Prevent...

  • Page 54: Immunity And Compliance Level

    NonContact Tonometer HNT-7000 ------------------------------------------------------------- 10.5 Immunity and Compliance Level Immunity test IEC 60601 Test Actual Immunity Compliance Level Level Level Conducted RF 3Vrms 3Vrms 3Vrms IEC 61000-4-6 150kHz to 80MHz Radiated RF 3Vrms 3V/m 3V/m IEC 61000-4-3 80MHz to 2.5GHz...

  • Page 55: Guidance And Manufacturer's Declaration - Electromagnetic Immunity

    ---------------------------------------------------------------- NonContact Tonometer HNT-7000 55 10.6 Guidance and manufacturer’s declaration – electromagnetic immunity The EUT is intended for use in the electromagnetic environment specified below. The customer or the user of the EUT should assure that it is used in such an electromagnetic environment.
  • Page 56 NonContact Tonometer HNT-7000 ------------------------------------------------------------- NOTE 1) These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and reflection from structures, objects and people. NOTE 2) It is essential that the actual shielding effectiveness and filter attenuation of the shielded location be verified to assure that they meet the minimum specification.
  • Page 57 ---------------------------------------------------------------- NonContact Tonometer HNT-7000 57 11 Main Specifications Measurement Mode Intraocular Pressure Measurement (FT (X,Y,Z), AT(X,Y), MT(Manual) Data Memory Measured value of six(6) times amount for each left/right eye. Hardware specification Built-in printer Line printer of heat printing type. As stopping to measure for about 3minutes,...
  • Page 58 NonContact Tonometer HNT-7000 ------------------------------------------------------------- 12 Accessories 1. Power cable(AC 220V / 60Hz Power plug or other)·······························1unit 2. Chin Rest Paper(100 sheets)······················································· 1 unit 3. Printer Paper·································································· 2 rolls 4. Dust Cloth···············································································1Piece 5. Fuse(250V / 3.15A)····································································2units...

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