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Krios User Guide

Revision 03

April, 2020

Содержание Krios

Страница 1: ...Krios User Guide Revision 03 April 2020...

Страница 2: ...rn Digital Inc All Rights Reserved Manufacture use and or sale covered by one or more US and other registered patents Our patented technological innovations can be found at www ndigital com about pate...

Страница 3: ...Description 1 June 2016 First Release 2 September 2016 Updated UI and added continuous probing function 3 April 2020 Removed Declaration of Conformity updated screenshots to reflect new layout and de...

Страница 4: ...cting the subject matter herein at the time of its publication and may not reflect its state of knowledge at all times in the future Northern Digital Inc has carefully reviewed this document for techn...

Страница 5: ...tem Setup 5 2 1 Connection Requirements 5 2 2 Hardware Connection 6 2 3 Software Installation 8 3 Operation 11 3 1 Overview 11 3 2 Scanning Environment 12 3 3 Scanning Best Practices 12 3 4 Krios User...

Страница 6: ...onditions 31 6 3 Technical Specifications 31 7 Approvals and Classifications 32 7 1 Approvals 32 7 2 Classifications 33 8 Electromagnetic Compatibility 33 8 1 Cables and Accessories 34 8 2 Guidance an...

Страница 7: ...Table of Contents Krios User Guide Revision 2B iii...

Страница 8: ...l injury 3 Do not use a power bar or extension cable to connect the power adapter to the mains supply Doing so may result in an electric shock hazard and possible personal injury 4 Make sure the power...

Страница 9: ...precautions regarding EMC It must be installed and put into service in accordance with the EMC information detailed in this chapter Failure to do so may result in personal injury 12 Radio frequency co...

Страница 10: ...s guide or the operation of this product please contact us Updates NDI is committed to continuous improvements in the quality and versatility of its software and hardware To obtain the best results wi...

Страница 11: ...be operated There are no contra indications for using the Krios System Each electrode is mapped in imaging software saving significant setup time This automated registration process also improves the...

Страница 12: ...ouses the sensors and controls It is connected to the host computer via the Host USB Converter through a keyed connector on bottom of the Scanner Figure 1 1 Krios Scanner Probe Part Number 8701326 Pow...

Страница 13: ...hic An example of the Scanner serial number label is shown in Figure 1 2 Figure 1 2 Krios Scanner Serial Number Label 1 2 Mounting Bracket The mounting bracket allows you to securely attach the scanne...

Страница 14: ...e of the Host USB Converter serial number label is shown in Figure 1 4 Host USB Converter Serial Number Label Power Adapter The system is powered by an NDI supplied power adapter Disconnecting the pow...

Страница 15: ...ments The Krios system must communicate with a host computer to pass measurement information to another application running on the host computer The Krios system is connected via USB There are no spec...

Страница 16: ...rom mains power Failure to do so may result in an electric shock hazard and possible personal injury 1 Connect the integral cable on the USB adapter to the Scanner connector located on the handle Alig...

Страница 17: ...they will not be stressed stepped on or bent 5 Plug the power cable into the power adapter Do not use a power bar or extension cable to connect the power adapter to the mains supply Doing so may resu...

Страница 18: ...system integrator and or the end user to ensure that the system is appropriately configured for the operating conditions 2 3 Software Installation To install the NDI Krios application proceed as follo...

Страница 19: ...elect View by Small Icons 4 From the Control panel select Device Manager 5 Under Other Devices right click NDI Host USB Converter 6 Select Update Driver Software then select Browse my computer for dri...

Страница 20: ...10 Krios User Guide Revision 03 Note If you connect the Scanner to a different USB port you will be prompted to re install the drivers...

Страница 21: ...Scan the head with the Krios Scanner to localise each marker s position This process creates a digital point cloud 3D model and rigid body of marker coordinates Probe anatomical features to establish...

Страница 22: ...Do not touch the subject and metal parts of the system at the same time Doing so may result in an electric shock hazard and possible personal injury Allow the Scanner to warm up for two minutes before...

Страница 23: ...lect the com port to which the system is connected Figure 3 1 Krios Application Interface After initialising the NDI Krios screen launches see Figure 3 1 The current status is displayed at the bottom...

Страница 24: ...using the Scan trigger on the Scanner see Krios Scanner on page 2 6 Probe select probing mode active only after 10 or more markers have been scanned 7 Delete delete the current session 8 Transform tra...

Страница 25: ...ensor to be measured e g electrodes for EEG or optodiodes for NIRS 3 6 Scan the Markers To scan the markers follow the procedure detailed below 1 Make sure the Scanner is connected and the software is...

Страница 26: ...he Scanner Field of View see Figure 3 4 As you scan the markers will change colour as follows Yellow marker is currently visible to the Scanner Red marker is stray Not yet valid or scanned White marke...

Страница 27: ...zoom the view in and out If sounds is enabled audio tones will alert you when you are too close or too far from the subject A low pitch tone will indicate that you are too far and a higher pitch tone...

Страница 28: ...ndications as shown in Table 3 1 Table 3 1 Scanner LED Status Status LED State Warming Up Fading in out White Power Up White Connected and software running Solid Blue Scanning Fading in out Blue Too c...

Страница 29: ...e co registration Additionally when in continuous mode it can provide a surface profile of anatomical features While in probing mode the probe is represented dynamically in the main window and measur...

Страница 30: ...t the Tool icon From the resulting dialog select the rom file that matches the probe you intend to use If the correct rom file is not visible navigate to and select the correct file Probing Procedure...

Страница 31: ...n Progress 2 In Probe mode the application provides prompts to guide you through the process The Probe dialog also displays self explanatory messages as required during the process for example Probe M...

Страница 32: ...oordinate system for the point cloud based on fiducial points using the Transform function Follow the steps below to complete the transform 1 Select individual markers as required with the left mouse...

Страница 33: ...Left Preauricular Point and Right Preauricular Point have all be defined select the Transform button on the toolbar to transfer the point cloud coordinates from the Krios coordinate system to the stan...

Страница 34: ...template If a labelling template has not yet been created you can manually label the point cloud and save it as a template for future use Note Scanning probing and transforming must be complete befor...

Страница 35: ...dinates have been transformed to the standard head coordinate system before exporting as a template Figure 3 9 Partially Labelled Point Cloud Using a Labelled Template for Automatic Labelling To use a...

Страница 36: ...inate system before entering the Label Assist view 3 Working in the unlabelled point cloud label four markers For best results these markers should be spread across the point cloud not clustered toget...

Страница 37: ...l four markers were labelled incorrectly or not spread out or the transform was not performed correctly You can attempt to manually correct the errors or clear all labels by selecting Clear and restar...

Страница 38: ...ches and displays a progress bar After the image capture is complete the file is automatically saved to the working directory The format is png Figure 3 12 Image Capture Button 4 Preferences You can a...

Страница 39: ...re or shock hazard and result in personal injury Switch off power to the Krios System before cleaning it Failure to do so may result in personal injury Caution Do not use aerosol sprays near the equip...

Страница 40: ...onditions The power adapter must be located outside the patient environment under all operating conditions It is the responsibility of the system integrator and or the end user to ensure that the syst...

Страница 41: ...0 C Table 6 3 Krios Scanner Technical Specifications Specification Value Dimensions 300 mm x 75 mm x 155 mm Weight 860 g Update Frequency 20 30 60 Hz Scan Rate 256 markers 2 minutes Accuracy Within 0...

Страница 42: ...evices such as operating room tables It is recommended that you test the Polaris Krios System if you intend to use it in an environment where other IR controlled devices are in use Table 6 5 Power Ada...

Страница 43: ...acent to or stacked with other equipment Check that the Krios System is operating normally if it is used either adjacent to or stacked with other equipment Failure to do so may result in personal inju...

Страница 44: ...red with the system may result in increased emissions and or decreased immunity of the Krios System and may result in personal injury Guidance and Manufacturer s Declaration Electromagnetic Emissions...

Страница 45: ...8 1 Manufacturer s Declaration for Electromagnetic Emissions Table 8 2 Electromagnetic Immunity Immunity Test IEC 60601 Test Level Compliance Level Electromagnetic Environment Guidance Electrostatic...

Страница 46: ...nterruptions it is recom mended that the Krios Sys tem be powered from an uninterruptible power supply or a battery 40 UT 60 dip in UT for 5 cycles 40 UT 60 dip in UT for 5 cycles 70 UT 30 dip in UT f...

Страница 47: ...ation distance calculated from the equation applicable to the frequency of the trans mitter Recommended separation distance d 1 2 P See Table 8 4 on page 38 Radiated RF IEC 61000 4 3 3 V m 80 MHz to 2...

Страница 48: ...r relocating the Krios System b Over the frequency range of 150 kHz to 80 MHz field strengths should be less than 3 V m 8 4 Recommended Separation Distances The Krios System is intended for use in an...

Страница 49: ...ause harmful interference and 2 This device must accept any interference received including interference that may cause undesired operation Note This equipment has been tested and found to comply with...

Страница 50: ...Consult the dealer or an experienced radio TV technician for help Changes or modifications not expressly approved by Northern Digital Inc could void the user s authority to operate the equipment CE M...

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