Huvitz HOCT-1F/1 User Manual
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Huvitz HOCT-1F/1 User Manual

Optical coherence tomography
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OPTICAL COHERENCE
TOMOGRAPHY
HOCT-1F/1
USER MANUAL

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Summary of Contents for Huvitz HOCT-1F/1

  • Page 1 OPTICAL COHERENCE TOMOGRAPHY HOCT-1F/1 USER MANUAL...
  • 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

    HOCT-1F/1 CONTENT 1 SAFETY PRECAUTIONS ......................5 1.1. Overview ................................5 2 Symbol Information ........................6 2.1. Usage Precautions ............................8 2.2. Environmental Considerations ........................11 2.3. Safety Precautions ............................13 3 INTRODUCTION ........................15 3.1. System Outline ..............................15 3.2. Intended Use ..............................15 3.3.
  • Page 4 9 EMC INFORMATION ........................ 103 10 SERVICE INFORMATION ......................105 11 SOFTWARE LICENSE AGREEMENTS ..................106...

  • Page 5: Safety Precautions

    HOCT-1F/1 1 SAFETY PRECAUTIONS Overview 1.1. Safety is everyone’s responsibility. The safe use of this instrument is largely dependent upon the installers, users, operators, and managers. It is prerequisite to read and understand these specifications before installing, using, cleaning, fixing or revising. Fully understanding the whole instructions must be the first priority.

  • Page 6: Symbol Information

    2 Symbol Information The International Electro technical 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. Type B Isolated patient connection.
  • Page 7 HOCT-1F/1 Class I Laser Product CE for RoHS RoHS Directive Compliance 2011/65/EU WEEE indicating separate collection for electrical and electronic equipment...

  • Page 8: Usage Precautions

    Usage Precautions 2.1. This equipment has been developed and tested in conformity with domestic & international safety standards and regulations, which guarantees the high stability of this product. This guarantees a very high degree of safety for this device. The legislator expects us to inform the user expressively about the safety aspects in dealing with the device.
  • Page 9 HOCT-1F/1 CAUTION During the Anterior segment image operation, pull the joystick toward the operator before adjusting the alignment. Move the body to align patient’s eye. Move the body slowly while watching patient’s eye and body, because working distance is just 15mm that the front lens is very close to patient's eye.
  • Page 10 CAUTION The equipment is a Class I LED Product. The LED used for the equipment is safe under expected use conditions including situation such as looking into the LED using optical equipment. However, observe the following precautions when using the equipment ...

  • Page 11: Environmental Considerations

    Where the instrument is exposed to chemical material or explosive gas. Be cautious so that things like dust and metal do not fall inside the instrument. Don’t disassemble or open the product. HUVITZ does not take responsibility for the possible problems...
  • Page 12 Be careful not to block the fan of the instrument. Don’t plug the AC power cable into the outlet unless all parts of the instrument are completely connected. Otherwise, it will cause severe damage on the instrument. Pull out the power cable with holding the plug, not the cord. To avoid risk of electric shock, this equipment must only be connected to a supply mains with protective earth.

  • Page 13: Safety Precautions

    This instrument must be connected with the accessories supplied by HUVITZ. If you are to use other accessories, their safety or usability must be checked and proved by their manufacturers or HUVITZ.
  • Page 14 Do not apply excessive force to cable connections. If the cable does not connect easily, make sure that the connector (plug) is appropriate for the receptacle (socket). If you caused any damage to a cable connector(s) or receptacle(s), let the damage(s) be repaired by an authorized service technician. Please do not pull on any cable.

  • Page 15: Introduction

    3 INTRODUCTION System Outline 3.1. The Huvitz Optical Coherence Tomography HOCT-1F, HOCT-1 is a non-contact, high-resolution tomographic and bio-microscopic imaging device. It is indicated for in-vivo viewing, axial cross- sectional and three dimensional imaging, color fundus imaging(HOCT-1F only) and measurement of posterior ocular structures, including the retina, retinal nerve fiber layer, ganglion cell plus inner plexiform layer, ganglion cell complex, macula, optic nerve head.

  • Page 16: Operating Principles

    Operating Principles 3.6. Fundus image 3.6.1. The anterior of an eye is illuminated by IR light, the posterior of an eye is illuminated by an infrared light and a white LED, of which lightings are emitted by the fundus illumination optical system. The fundus observation/photography optical system forms and makes an image with image sensors, which images are observed and manipulated with the display panel.

  • Page 17: System Overview

    HOCT-1F/1 4 System Overview Configuration and Functions 4.1. Front View Part Name Description Monitor for displaying captured image and user interface Display icon. Chinrest button Button for moving chinrest up and down. Joystick for aligning body to patient’s eye. Joystick Button for capturing image.
  • Page 18 Rear View...
  • Page 19 HOCT-1F/1 Part Name Description Forehead rest Rubber for fix patient’s head. Headrest External LED External LED for fixing patient’s eyes. Chinrest For fixing patient’s chin. Lens for passing illumination light from body and reflected Objective lens light from patient’s eye.

  • Page 20: Main Body Screen Description

    Main Body Screen Description 4.2. OCT/Fundus mode (HOCT-1F only) 4.2.1. Observation screen ❶ ❷ ❸ ⓫ ❹ ⓲ ❺ ❻ ❼ ❽ ⓬ ⓭ ❾ ⓮ ⓱ ⓯ ⓰ ❿ Name Function Shows the information of patient ID and name. Go back to patient Patient information list by clicking the icon.
  • Page 21 HOCT-1F/1 Scan range Toggle whether scan range is displayed or not. Reset scan position Reset scan position to center. Focus Move in accordance with focus of patient’s eye. Ref.M Move reference mirror position for OCT scan. Flash Change brightness level of white light for capturing fundus image.
  • Page 22 Confirmation screen ❷ ❶ ❸ ❾ ❺ ❹ ❿ ❽ ❻ ❼ Name Function Decide validity of current image. Image selection - OK: Save current image. - RETRY: Discard current image and retry capturing. Scan range Show OCT scan range. Scan position Show scan position of current OCT scan image displayed on the right.

  • Page 23: Oct Mode

    HOCT-1F/1 OCT mode 4.2.2. Observation screen ❶ (Refer ‘4.2.1. OCT/Fundus mode – Observation screen’ for uncommented item) Name Function Signal Level Mode can be changed Confirmation screen (Refer ‘4.2.1. OCT/Fundus mode – Confirmation screen’ for uncommented item)

  • Page 24: Fundus Mode (Hoct-1F Only)

    4.2.3 Fundus mode (HOCT-1F only) Observation screen ❶ ❸ ❷ (Refer ‘4.2.1. OCT/Fundus mode – Observation screen’ for uncommented item) Name Function Select capture mode. Capture mode - Single: Capture one fundus image. - Panorama: Capture maximum 7 images and stitch it. IR.En Change brightness of IR fundus image Optimize...

  • Page 25: Installation Procedure

    HOCT-1F/1 5 Installation Procedure System installation 5.1. ① Place the main body unit on a stable table. ② Loosen the two packing lock screw under the main body. Packing lock ③ Unscrew the user lock lever on the body. Joystick User lock ④...
  • Page 26 ⑥ Attach external LED to the headrest (A). External LED Headrest ⑦ If needed, connect external devices. Open ‘COVER BASE VENT’ on the left bottom of base with screw driver. Connect communication cable of external device. Close ‘COVER BASE VENT’ with screw driver. COVER BASE VENT ⑧...
  • Page 27 HOCT-1F/1 ⑩ Remove objective lens cap, and check objective lens is clean, Objective lens cap ⑪ If external devices are connected, turn on external devices first. ⑫ Turn on the main body by pressing power switch (I position) ⑬ Turn on the internal PC by pressing power button.

  • Page 28: Operation

    6 Operation Software 6.1. ① Input user ID and password for login. ② Press resist patient icon ( ) and input patient information. If patient is resisted already, skip this step. ③ Select patient and check patient information is correct.
  • Page 29 HOCT-1F/1 ④ When you select a patient, the screen changes. ⑤ Enter observation mode by pressing measure icon ( The screen of observation mode is as follow.

  • Page 30: Setup Mode

    SETUP Mode 6.2. [To choose the section to setup] - Setup mode consists of five sections: System, Patient, Measure, Scan Pattern, and Analysis. You can select the section to setup from the left side. - You can navigate the setup items with the page move buttons[ ] or the page numbers[ ] at the bottom...
  • Page 31 HOCT-1F/1 2. Patient Settings Patient List Size Number of patients to be displayed per pages Today List Today List(List of patients visited today) settings The function to set the prefix of the automatically PID Prefix generated patient ID The function to set the postfix of the automatically...
  • Page 32 4. Scan Pattern Settings the default pattern domain of OCT scan Pattern Domain measurement to be either macular, disc, or anterior. Macular Pattern Set the default scan pattern of the macular domain Disc Pattern Set the default scan pattern of the disc domain Anterior Pattern Set the default scan pattern of the anterior 5.

  • Page 33: General Operation

    HOCT-1F/1 General Operation 6.3. Clean headrest and chinrest with a clean cotton swab or gauze. Remove a single sheet of chinrest paper if the chinrest paper is used. Align left/right index mark (B) and front index mark (A) of body and base with joystick.
  • Page 34 4-1. Set capture mode with the capture mode tabs( OCT/Fundus (HOCT-1F only) Capture OCT and fundus image simultaneously. Capture OCT image. Fundus (HOCT-1F only) Capture Fundus image. 4-2. Set capture region with the capture region combo box( OCT/Fundus Macular, Disc, Anterior Fundus Single, Panorama 4-3.
  • Page 35 HOCT-1F/1 Scan along 24 lines in the square area centered at macular Scan a rectangular area closely Scan along 12 radial lines centered at disc Scan along 24 lines in the square area centered at disc Scan a rectangular area closely...
  • Page 36 Scan along a circle centered at optic disc Scan along a line for cornea Scan along 12 lines for cornea Scan a rectangular area closely <Scan Options> Range: Choose scan range from 6mm, 9mm, or 12mm. • AScan Points: Choose the number of A-scans that constitute one B-scan. Possible •...
  • Page 37 HOCT-1F/1 Scan Overlap : Increase image resolution by overlapping multiple Bscan images. Bscan images with different number of overlapping images < Overlap : 1 > < Overlap : 15 > < Overlap : 30 > < Overlap : 45 >...
  • Page 38 Ascan, Bscan : Number of horizontal and vertical scan points in the scan area Ascan : The number of Ascans that constitute one Bscan Bscan : Total number of Bscans in the scan range 4-4. Set auto shooting mode. Auto shooting is on. Auto shooting is off.
  • Page 39 HOCT-1F/1 4-7. Check scan range by clicking scan range icon( ) if needed. This icon is not supported in fundus mode. • 4-8. Set the diopter of patient by Focus icon ) if needed. Align patient’s eye to eye level mark on headrest.
  • Page 40 Set the alignment and focus. 8-1. Move the body up/down and left/right with joystick until ring of 16 blue align dot (A) and ring of 8 white Mire dot (B) are concentric. When two rings are concentric, focus indicator bar (C) appears.
  • Page 41 HOCT-1F/1 Capture image and check image quality (in OCT/Fundus mode) 9-1. When alignment and focus is done, press scan start icon ( ) to start OCT scan. If alignment and focus is in good condition, scan start function is accomplished automatically, and scan start icon changes to optimize icon ( 9-2.
  • Page 42 satisfactory though the SSI is low, you can ignore SSI and save the result. If the image is satisfactory, press OK icon ( ) to save image. ④ If the image is not satisfactory, press retry icon ( ) and retry image capturing. ⑤...
  • Page 43 HOCT-1F/1 10-5. Check the result and decide to store or discard and retry. ❹ ❺ ❷ ❶ ❸ ① Check previous/next OCT image by pressing move scan position button ( ) if needed. ② Check continuous OCT image continuously by pressing play image button ( ) if needed.
  • Page 44 11. Capture image and check image quality (in Fundus mode) 11-1. Change the brightness of IR monochrome screen by pressing IR.En icon ) if needed. 11-2. Change focus position by pressing optimize icon on the screen or optimize button on the body (A).

  • Page 45: Anterior Segment Image Operation (Optional)

    HOCT-1F/1 Anterior segment image operation (optional) 6.4. Preparation for anterior segment operation 6.4.1. Check the lens surface of anterior segment adapter is clean. Thread anterior segment adapter (A) to objective lens holder (B), and check there is no tilting or misalignment of adopter.

  • Page 46: Capturing Anterior Segment

    Capturing anterior segment 6.4.2. The first procedure is same as ‘6.1 General Operation: procedure 2 ~ 7’. On the anterior mode, function of auto shooting and auto tracking is not available. • Move the body to align patient’s eye. Move the body slowly while watching patient’s eye and body, because working distance is just 15mm that the front lens is very close to patient's eye.
  • Page 47 HOCT-1F/1 ② For enhancing OCT signal, move position of reference mirror by pressing arrow of REF.M icon ( ) if needed. -This function available on OCT/Fundus mode. Press the button on joystick to capture image. ③ 3-3. Check image quality ❺...
  • Page 48 If the image is not satisfactory, press retry icon ( ) and retry image capturing. ⑥ If fundus image result too bright or too dark because of lighting, regulate the flash intensity using flash icon( ) in observation mode. Try moving internal fixation target position by pressing fixation icon ( and changing position of green cross ( ) if needed.
  • Page 49 HOCT-1F/1 ② For enhancing OCT signal, move position of reference mirror by pressing arrow of REF.M icon ( ) if needed. -This function available on OCT/Fundus mode. Press the button on joystick to capture image. ③ 4-3. Check image quality ❸...
  • Page 50 If fundus image is too dark because of small pupil size of patient, try small pupil mode by using small pupil icon ( ) in observation mode. Try moving internal fixation target position by pressing fixation icon ( and changing position of green cross ( ) if needed.

  • Page 51: Analyze

    HOCT-1F/1 Analyze 6.5. Entering screen Analysis 6.5.1. Analysis immediately after scanning To enter analyze mode from measurement confirm screen, press the analyze icon ( from the captured image screen. Analysis from measurement list Select a measurement to analyze by clicking and press the analyze button( ), or simply double click on a measurement.

  • Page 52: Oct Macular 3D Analysis Screen

    OCT Macular 3D Analysis screen 6.5.2. Composition of screen Name Function Shows the information of patient ID and name. Go back to patient Patient information list by clicking the icon Indicates which side of eye is showing. You can move to the measurement of the other side or the both OD / OU / OS sides by selecting unhighlighted tabs - OD: right eye, OS: left eye , OU: both eyes...
  • Page 53 HOCT-1F/1 Analyze Control Shows Thickness Map, Graph, ETDRS Chart, Info Bscan-1 Bscan screen Bscan Tool Tools for Bscan analysis Full Screen Switch Bscan image to a Full screen Move scan position Move to the previous or the next Bscan image Bscan–2...
  • Page 54 1-5.1. Select REPORT icon ( ) shows REPORT screen shown below Name Function Previous screen Go back to analysis screen Save the current report showing as PDF file or print to a PRINT connected printer Report Preview Preview of generated report...
  • Page 55 HOCT-1F/1 1-5.2. Selecting PRINT icon ( ) shows printer option window 1-5.3. Select REPORT icon ( ) at OU screen to change to REPORT screen...
  • Page 56 1-6. Selecting EXPORT icon( ) shows a pop-up window shown below and the current screen shot is captured and stored in user-selected folder. 1-7. Selecting LEVEL ADJUST icon( ) shows an adjustable pop-up window shown below. Use Slide Bar( ) to control Bscan Contrast •...
  • Page 57 HOCT-1F/1 1-8. Selecting THICKNESS icon ( ) shows a pop-up window shown below ILM <-> GCL Set Analysis criteria to ILM ~ GCL ILM <-> RPE Set Analysis criteria to ILM ~ RPE Analysis results will be displayed according to each setting value •...
  • Page 58 1-15. Select Overlay Control icon( ) to make the analysis result overlayed on Macular image Icon ON screen Function ON / OFF - Displays Scan Domain - Displays Scan Direction - Displays enface image - Displays thickness map image - Displays ETDRS Chart...
  • Page 59 HOCT-1F/1 1-16. Select analysis tool icon( ) to show the analysis result Analyze Screen Function - Displays thickness map in pseudo color. Displays thickness based previously set Thickness Layer (ILM <-> RPE / ILM <-> GCL) - Displays ETDRS Chart...
  • Page 60 1-18. Select Bscan analysis tool( ) on Bscan image to analyze the Bscan currently displayed. Icon Screen and Function ON / OFF - ON : Shows the length measured using measurement icon( - OFF: Hides the measurements - Selecting two points with the length measurement icon( ) ON on Bscan screen shows the length between the two points - Latest data can be deleted by selecting Undo Icon(...
  • Page 61 HOCT-1F/1 - Selecting Color Icon ( ) displays Bscan image in pseudo color - Selecting Gray Icon( ) displays Bscan image in grayscale - Selecting Invert Icon( ) displays Bscan image in inverted grayscale - Selecting HD Icon( ) indicates HD quality Bscan image...
  • Page 62 1-19. Selecting FULL Screen Icon( ) shows the current Bscan image in full screen...

  • Page 63: Oct Disc 3D Analysis Screen

    HOCT-1F/1 OCT Disc 3D Analysis screen 6.5.3. Composition of screen Name Function Shows the information of patient ID and name. Go back to Patient information patient list by clicking the icon Indicates which side of eye is showing You can move to the measurement of the other side or the both...
  • Page 64 Analyze Control Shows Thickness Map, TSNIT Graph, RNFL Chart, Info Bscan-1 Bscan screen Bscan Tool Tools for Bscan analysis Full Screen Switch Bscan image to a Full screen Move scan position Move to the previous or the next Bscan image Bscan–2 Another Bscan screen to display position different from Bscan-1 1-2 Select analyze mode choosing OD / OU / OS icon (...
  • Page 65 HOCT-1F/1 1-5.1. Select REPORT icon ( ) shows REPORT screen shown below Name Function Previous screen Go back to analysis screen Save the current report showing as PDF file or print to a PRINT connected printer Report Preview Preview of generated report...
  • Page 66 1-5.2. Selecting PRINT icon ( ) shows printer option window 1-5.3. Select REPORT icon ( ) at OU screen to change to REPORT screen...
  • Page 67 HOCT-1F/1 1-6. Selecting EXPORT icon( ) shows a pop-up window shown below, and the current screen shot is captured and stored in user-selected folder. 1-7. Selecting LEVEL ADJUST icon( ) shows an adjustable pop-up window shown below. Use Slide Bar( ) to control Bscan Contrast •...
  • Page 68 1-8. Selecting THICKNESS icon ( ) shows a pop-up window shown below ILM <-> RNFL Set Analysis criteria to ILM ~ RNFL ILM <-> RPE Set Analysis criteria to ILM ~ RPE Analysis results will be displayed according to each setting value •...
  • Page 69 HOCT-1F/1 1-15. Select Overlay Control icon( ) to make the analysis result overlayed on Disc image. Icon ON screen Function ON / OFF - Displays Scan Domain - Displays Scan Direction - Displays enface image - Displays thickness map image...
  • Page 70 1-16. Select analysis tool icon( ) to show the analysis result Analyze Screen Function - Displays thickness map in pseudo color. - Displays TSNIT Graph - Displays RNFL Chart Displays following measured values - C/D Ratio (Horz.) - C/D Ratio (Vert.) - Cup Area - Disc Area - Cup Volume...
  • Page 71 HOCT-1F/1 1-18. Select Bscan analysis tool( ) on Bscan image to analyze the Bscan currently displayed Icon Screen and Function ON / OFF - ON : Shows the length measured using measurement icon( - OFF: Hides the measurements - Selecting two points with the length measurement icon(...
  • Page 72 - Selecting Color Icon ( ) displays Bscan image in pseudo color - Selecting Gray Icon( ) displays Bscan image in grayscale - Selecting Invert Icon( ) displays Bscan image in inverted grayscale - Selecting HD Icon( ) indicates HD quality Bscan image...
  • Page 73 HOCT-1F/1 1-19. Selecting FULL Screen Icon( ) shows the current Bscan image in full screen...

  • Page 74: Oct Anterior Line Analysis Screen

    OCT Anterior Line Analysis screen 6.5.4. Composition of screen Name Function Patient Shows the information of patient ID and name. Go back to patient list information by clicking the icon Indicates which side of eye is showing You can move to the measurement of the other side or the both sides OD / OU / OS by selecting unhighlighted tabs - OD: right eye, OS: left eye , OU: both eyes...
  • Page 75 HOCT-1F/1 1-2. Select analyze mode choosing OD / OU / OS icon ( Right eye Analysis Both eyes Analysis Left eye Analysis When selecting OU( ) among OD / OU / OS, screen changes to OU analysis screen shown below.
  • Page 76 1-5.1. Select REPORT icon ( ) show REPORT screen shown below Name Function Previous screen Go back to analysis screen Save the current report showing as PDF file or print to PRINT a connected printer Report Preview Preview of generated report...
  • Page 77 HOCT-1F/1 1-5.2. Selecting PRINT icon ( ) shows printer option window 1-5.3. Select REPORT icon ( ) at OU screen to change to REPORT screen...
  • Page 78 1-6. Selecting EXPORT icon( ) shows a pop-up window shown below, and the current screen shot is captured and stored in user-selected folder. 1-7. Selecting LEVEL ADJUST icon( ) shows an adjustable pop-up window shown below. Use Slide Bar( ) to control Bscan Contrast •...
  • Page 79 HOCT-1F/1 1-8. Selecting THICKNESS icon ( ) shows a pop-up window shown below Set Analysis Criteria to EPI ~ Bowman’s EPI <-> Endo Set Analysis Criteria to EPI ~ Endo Analysis results will be displayed according to each setting value •...
  • Page 80 - Selecting two points with the length measurement Icon( ) ON shows the length between the two points - Latest data can be deleted by selecting Undo Icon( - Only usable with measurement result Icon( ) ON - Selecting three points with the angle measurement Icon( ) ON shows the angle made by the three points.
  • Page 81 HOCT-1F/1 - Selecting Gray Icon( ) displays Bscan image in grayscale - Selecting Invert Icon( ) displays Bscan image in inverted grayscale 1-13. Selecting FULL Screen Icon( ) shows the current Bscan image in full screen...

  • Page 82: Fundus Analysis Screen

    Fundus Analysis screen 6.5.5. Composition of screen Name Function Patient Shows the information of patient ID and name. Go back to patient information list by clicking the icon Indicates which side of eye is showing You can move to the measurement of the other side or the both OD / OU / OS sides by selecting unhighlighted tabs - OD: right eye, OS: left eye , OU: both eyes...
  • Page 83 HOCT-1F/1 1-2. Select analyze mode choosing OD / OU / OS icon ( Right eye Analysis Both eyes Analysis Left eye Analysis When selecting OU( ) among OD / OU / OS, screen changes to OU analysis screen shown below...
  • Page 84 1-5.1. Select REPORT icon ( ) shows REPORT screen shown below Name Function Previous screen Go back to analysis screen. Save the current report showing as PDF file or print to a PRINT connected printer Report Preview Preview of generated report...
  • Page 85 HOCT-1F/1 1-5.2 Selecting PRINT icon ( ) shows printer option window 1-5.3. Select REPORT icon ( ) at OU screen to change to REPORT screen...
  • Page 86 1-6. Selecting EXPORT icon( ) shows a pop-up window shown below, and the current screen shot is captured and stored in user-selected folder. 1-9. Use Red Free ON / OFF icon( ) to analyze Fundus Image with Red free Screen...
  • Page 87 HOCT-1F/1 1-10. By selecting one of the RGB channels, only selected channel displayed in monochromatic image. <RGB Channel> <R Channel> <G Channel> <B Channel> 1-13. Images can be adjusted using Slide Bar( ) of Adjustment Control Adjustment of Brightness Adjustment of Contrast...
  • Page 88 1-14. Length, Area, C/D Ration can be measured using Measurement Tool Icon Icon Screen and Function ON / OFF - ON : Shows results measured by length measurement Icon ( area measurement Icon( ), C/D ration measurement Icon( ) on Fundus Image - OFF : Hides the measurements...
  • Page 89 HOCT-1F/1 - Selecting a region with the Area measurement icon( )shows the area of the region - Latest data can be deleted using Undo Icon( - Only usable with measurement result Icon( ) ON - With C/D ratio measurement switch on( ), clicking a point on the fundus image produces two concentric circles at the point.
  • Page 90 1-15 Magnified Image analysis is possible by selecting magnifying Icon ( Icon Screen and Function - Back to original size(100%) using Fit Icon( - Magnify Fundus Image using Zoom In Icon( - Magnified image can be dragged and be moved to any position - Maximum magnification ratio is 200%.

  • Page 91: Maintenance

    HOCT-1F/1 Maintenance 6.6. After operation 6.6.1. Exit HOCT software and Power off. ① Select the Patient information icon ( ) in the upper left corner of the screen. ❶ ② Select the Previous screen icon ( ) in the upper left corner of the screen.
  • Page 92 ④ Selecting POWER OFF icon( ) shows a pop-up window show below. ⑤ Checking the Packing Mode will move Chinrest and the body of HOCT to the lowest position before Power off (This is for packaging.) NOTE Be sure to select the Packing Mode in order to place the equipment in the packing box. Turn off external devices (monitor, etc.) if any external device is connected.

  • Page 93: Cleaning

    4. Others Cover device with dustcover for unused storage for a long time. ① Clean headrest and chinrest with alcohol before sending device to authorized agent or Huvitz for ② maintenance. The rubber ring inserted to conceal the wires may be out during use. It can be used either by ③...

  • Page 94: Replacement Of Consumables And Fuse

    Replace two new fuses in the fuse holder. Be sure to check the fuse specification for the replacement (250V T 3.15AL). ⑤ Insert fuse holder into the inlet. Calibration 6.6.4. Note: Huvitz recommends to calibrate the system once a year. Contact to the HUVITZ’s service technicians or other authorized experts...

  • Page 95: Self-Diagnosis Using Model Eye

    HOCT-1F/1 Self-diagnosis using Model eye 6.6.5. 1. How to mount Model eye ① Remove chinrest paper. ② Mount Model eye as shown below and then fix it using two paper pins. ③ Align the center of the Model eye with the objective lens using joystick and chinrest button.
  • Page 96 - At anterior screen, align the device till the target mark (circular orange) appears which indicated the Model eye and the device’s alignment and focusing is correct. - Align the device till the working dot marked red on the left IR screen to be positioned on the blue guide line and also the size to be smallest while maintaining the target mark (circular orange) to be displayed.
  • Page 97 HOCT-1F/1 4. Check Fundus Camera ① Select FUNDUS Mode and measure Fundus. ② Check if there are asymmetric areas as right picture from the measured images. - If there are some, re-boot the device and measure again. ③ Check if there are any blurriness or smear as below picture from the scanned images.
  • Page 98 5. Check OCT Scan ① Select OCT Scan in MESURE Mode. ② Select Macular 3D at Scan Pattern and change the OCT Sensitivity to Normal as below picture and then turn the OCT Enface option to On. ③ Scan will start automatically when the alignment and focusing is correct, and let the Bscan, IR Fundus and real time Enface screen to be displayed as below picture using Optimize function, - Check if the Split Focus is aligned as straight line in IR FUNDUS screen.

  • Page 99: Troubleshooting Guide

    HOCT-1F/1 7 Troubleshooting Guide Should the device function improperly, attempt to correct the problem according to the following table before contacting sales distributor. Contact a sales distributor after turning off the power when the device does not resume normal operation even after taking the following measures.

  • Page 100: Specifications And Accessories

    8 Specifications and Accessories Standard Accessories 8.1. Chinrest paper Touch pen Power cable Fuse (250V T 3.15A) Dust cover External LED Blower User manual Packing lock cap Model Eye anterior headrest Anterior segment USB memory rubber (optional) adapter (optional) (optional)

  • Page 101: Specifications

    HOCT-1F/1 Specifications 8.2. Principle Spectral domain OCT, Fundus digital photography Light source 840 nm Scan speed Max. 68,000 A-scan/sec. Resolution in tissue 20 um(Lateral), 7 um(z-axis) at index 1.36 Scan Range X: 6 ~ 12 mm, Y: 6 ~ 9 mm, Z: 2.34 mm Display resolution X: 5.85 um, Y: 23.40 um, Z: 3.05 um...

  • Page 102: Drawings Of System

    Drawings of System 8.3.
  • Page 103 HOCT-1F/1 9 EMC INFORMATION Manufacturer announcement – electromagnetic waves trouble • Electromagnetic waves trouble HOCT-1/1F should be used in the below mentioned electromagnetic wave environment. HOCT- 1/1F purchaser or user needs to confirm whether HOCT-1/1F is used in this type of environment.
  • Page 104 • Electromagnetic waves tolerance HOCT-1/1F is to be used in the below mentioned electromagnetic wave environment. HOCT- 1/1F purchaser or user needs to confirm whether HOCT-1/1F is sued at this environment. IEC 60601 Tolerance test Appropriateness level test conditions 3 Vrms 3 Vrms Conductivity RF electromagnetic field 150 kHz∼80 MHz...
  • Page 105 Parts below are consumable in their characteristics, or the quality of them shall degraded after the long time use. User should not replace them by him or herself. Please contact to Huvitz`s agent for the replacement if these parts are consumed enough or degraded by the longtime use.
  • Page 106 11 SOFTWARE LICENSE AGREEMENTS CAUTION The software “HOCT-1F/1 Capture” including all of the contents of the files, disk or other media with which this Agreement is provided, (“Software”) and related documentation (“Documentation") may be used only when you agree with the “SOFTWARE LICENSE AGREEMENT” below. Before using the Software, thoroughly read “SOFTWARE LICENSE AGREEMENT”...
  • Page 107 7. FORCE MAJEURE In no event HUVITZ will be liable to you for any delay or failure in the performance of its obligations under this Agreement if and to the extent such delay or failure in performance arise from any cause or causes beyond the reasonable control of HUVITZ, including, but not limited to, fire, explosion, flood, earthquake, war, rebellion or riots.
  • Page 108 Sections of this Agreement will remain in full force and effect. 14. NO WAIVER The delay, omission or failure of HUVITZ to enforce any right or remedy in this Agreement will not be construed to be a waiver of such right or remedy of HUVITZ. 15. ENTIRE AGREEMENT...

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