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191030 

 

 

Laser Speckle Blood Flow Imager 

O

M

E

G

A

Z

O

N

E

 

OZ-2 mini 

 

 

User’s MANUAL 

 

( LSI : ver. U4.2, LIA : ver4.3)

 

 
 

 

 
 

 

Содержание OMEGAZONE

Страница 1: ...191030 Laser Speckle Blood Flow Imager OMEGAZONE OZ 2 mini User s MANUAL LSI ver U4 2 LIA ver4 3...

Страница 2: ...ls and display 2 Project Configuration File 3 LSI Front Panel 4 LSI operation LIA software 26 1 Controls and display 2 Analysis Configuration File 4 LIA Front Panel 5 LIA operation Handling in use 42...

Страница 3: ...r storing data before measuring Data cannot be stored if there is not enough capacity 4 Use gloves when the lens and CCD camera are installed or uninstalled It is hard to get oil sticks on them 5 Do n...

Страница 4: ...hybrid filter the computer based image processor and the stand The AC power is just needed for the computer based image processor and it is easy to handle and operate OZ 2 mini is very compact and it...

Страница 5: ...images The operating system the OS is Windows 7 Turn the power switch I on the keyboard after all cables are connected The blood flow software and other application software are installed in the C dri...

Страница 6: ...ON OFF of the laser light The 6 pin laser cable is connected between the Laser unit and the Connector for laser unit The USB connectors have IN and OUT Connect the CCD camera cable from the CCD camera...

Страница 7: ...r has the direction of polarization and it is shown as the white dot Make the white dot showing the front 50 mm lens 25 mm lens The standard iris for 50 mm is 4 and 5 6 for 25 mm lens The iris of 5 6...

Страница 8: ...ser unit is fixed Adjust the working distance WD distance between the lens and the tissue under study according to the size of the tissue Use the SUS board under the Magnet base and make the magnet ON...

Страница 9: ...et base the cramp the stopper and 2 poles 1 Insert the longer pole to the magnet base Fix the pole by the screw on the upper position 2 Put the cramp through the longer pole Insert the shorter pole to...

Страница 10: ...d plate by the exclusive screw 5 Turning the knurling part can be used for fine adjustment of the working distance The range is 10 mm 6 Connect the CCD camera cable and the laser cable to the CCD came...

Страница 11: ...C power cable to the rear side 2 Connect the USB key to the USB connector on the right side 3 Connect the USB cable from the CCD camera to the USB connector on the left side 4 Connect the USB power ca...

Страница 12: ...4 and 8 for MF25 The iris number may be different for the different lens 3 Adjust the pint to get clear image 5 Adjustment of polarization Not to detect the reflection from tissue surface Laser Unit a...

Страница 13: ...puter based image processor CCD camera Lens Hybrid Filter Laser unit 780 nm Laser drive circuit AC 100 220V ACAdaptor 780 nm Laser diode Inlet 6P Connector Shutter 5V USB Lens USB Connector 6 Block Di...

Страница 14: ...ry where images will be stored The file name is the name that will be the prefix for all image files to be saved During the image capture process the program saves image files under names composed of...

Страница 15: ...ing a specific name Image will be the file name automatically Do not use BF for the original file name because it is recognized as the Blood Flow Image file Actual fine name is created as Image HR BF...

Страница 16: ...clocking OK Project Configuration File 2 Information The information about the measurement can be filled in this file New experiment is entered in this case 3 Date and Time The system date and time ar...

Страница 17: ...16 7 Measurement Press the OK button to go to the LSI Front Panel or the Cancel button to exit the LSI program...

Страница 18: ...17 18 15 6 5 12 7 8 11 14 3 LSI Front Panel LSI Front Panel Base display Example of measurement 3 4 2 1 9 13 10 17 16 19...

Страница 19: ...outputs as they are displayed in real time The color variation is assigned by the color bar next to the Blood Flow Image Display There are two kinds of color bars One is Standard and the other is Enha...

Страница 20: ...erval time between the images can be set by the Interval function The number of the saved images is shown in the box of Current F and the total number of the saved images is shown in the box of Saved...

Страница 21: ...aws a freehand region l ROI Clear Clears ROIs at once Use these tools to draw blood flow analysis regions or line profiles in the Blood Flow Image Display The analysis region is a study area within wh...

Страница 22: ...tarting point within the Blood Flow Image Display window click and hold the left mouse button and drag a line across the image to the desired end point and release the button The direction of the prof...

Страница 23: ...lood Flow Plot f Y axis of Histogram g Figures and the positions of ROIs h Coefficient i AUTO or MANUAL of Gain Intensity 2 Pressing the Initial Setting button clears the all saved settings and the se...

Страница 24: ...ge rotation function This button can turn the image by 90 degrees clockwise The original image size is 639 480 and the image will be 480 480 at 90 degrees and 270 degrees The saved image is the rotate...

Страница 25: ...n the reliable and compatible data for measurement 2 Setup Measurement 1 Select the measurement mode 2 Enter the interval time for the capturing images in the box of Interval The 0 sec is the fastest...

Страница 26: ...25 5 End LSI program To end LSI program select Exit from the File menu...

Страница 27: ...is software consists of two views Analysis Configuration File LIA Front Panel 2 Analysis Configuration File The display is shown after the LIA worked 1 Working Directory and File name Assign the folde...

Страница 28: ...are stored Image file The information about the measurement is described Enter the txt file name made by LSI in File Name N In Test folder the txt file name is image and click tit image is entered in...

Страница 29: ...When the total free disk space is below 30 Mega bytes the user is warned 4 Used Disk Space Displays in bytes the used space of the disk containing the working directory 5 Previous Information The info...

Страница 30: ...29 15 6 12 11 16 8 9 9 8 5 3 LIA Front Panel IA Front Panel Base display Example of analysis 3 4 2 1 7 13 10 14 17...

Страница 31: ...LSI HR Measurement mode BF Blood flow image R3T The third round measurement 3500 Time of saved image from the start of the saving No001 The number of the image Be careful not to change the file name...

Страница 32: ...e loaded blood flow image or in real time during blood flow video capture perform the following steps 1 Select the appropriate tool for drawing a rectangle ellipse user specified polygon shape or free...

Страница 33: ...ys a movie of the entire sequence images The user will be prompted to input a frame rate for the movie to be displayed To stop press the Pause Movie and press the Quit Movie to quit the movie 8 Blood...

Страница 34: ...or the maker in the Excel file are stamped as M 13 Function of the menu bar 1 File a Capture Screen The whole display can be save in the clipboard This saved image can be used to attach on some docume...

Страница 35: ...d are enhanced Gray Scale Blood flow images are shown in black and white Blue Red Used in Differential Mode Middle range values are in white blue color for the value lower than the middle value and re...

Страница 36: ...loaded a Saving of ROIs Select Save command from ROI in the menu bar after setting ROI on the image The display for entering the file name of the ROI is shown This ROI is named as ROI 1 190615 as an e...

Страница 37: ...36 b Loading of ROIs Select Load command from ROI in the menu bar The list of the saved ROIs are shown...

Страница 38: ...37 Choose one ROI from the list The ROI is added on the image after clicking OK The same number of ROI can be saved but only one of the same numbered ROI is added on the image...

Страница 39: ...ormation of ROIs The information of the ROIs on the image can be obtained from Information The information of the ROIS are shown like the figure below These information is for the displayed ROIs on th...

Страница 40: ...nction is for comparison of two blood flow images The differential blood flow images are calculated from the control image Pressing the Load Image button when the Differential Mode button shows ON the...

Страница 41: ...e of the brightness does not affect the blood flow value 17 Rotation function Real Image and Blood Flow Image can be rotated by clicking this button The images rotate clockwise by 90 degrees The origi...

Страница 42: ...folder and click the file 5 The real and blood flow images are shown on the display 6 Change the MAX and MIN value to get the desirable blood flow image 7 Enclose the area by ROIs to obtain the mean b...

Страница 43: ...all cords is correct 4 Because combination of instruments lets a correct diagnosis be wrong and might cause danger be careful 3 Be careful to the next matters after use 1 Power it off after having co...

Страница 44: ...5 Do not remodel and modify 6 Maintenance 1 Perform a periodic inspection by all means 2 When the instrument was not used for a while confirm that it operates normally and safely before use by all mea...

Страница 45: ...36 10 150 MIN 8 11 400 MAX 28 36 15 130 MIN 7 9 295 MAX 18 24 5 85 MIN 14 18 MF25 400 MAX 61 82 10 80 MIN 13 17 115 MAX 17 23 15 WD Distance between the lend and the subject Working Distance OZ 2 min...

Страница 46: ...tion of the HDD 3 User name and user organization name change This instrument installs the OS and necessary driver software application software at the time of shipment and checks the operation Of tha...

Страница 47: ...3 OS Windows 10 CPU Core i7 Memory over 2GB Hard disk crive over 500GB DVD Multi Drive Monitor 15 6 inch 1920 x 1080 Software Resolution 1600 900 Power supply for Laser unit USB 5V 0 4A Size mm about...

Страница 48: ...color bar MIN Minimum blood flow value for color bar Save Setting The setting values of functions are saved Initial Setting The values of functions are initialized LIA Analysis FLOW data FLOW value ca...

Страница 49: ...ter the purchase will be repaired without any charge except the following conditions 1 Wrong usage the damage caused by an accident by carelessness 2 Damage and malfunction caused by fire natural disa...

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