User Manual RaySafe i2 dose viewer
© 2012.03 Unfors RaySafe 5001048-A All rights are reserved. Reproduction or transmission in whole or in part, in any form or by any means, electronic, mechanical or otherwise, is prohibited without the prior written consent of the copyright owner.
RaySafe i2 dose viewer user manual – Contents Contents Introduction......................................................................................................4 About the RaySafe i2 System...........................................................................4 How the system works.................................................................................... 5 About this user manual.................................................................................... 5 Using dose viewer...
RaySafe i2 dose viewer user manual – Introduction Introduction About the RaySafe i2 System Figure 1.
RaySafe i2 dose viewer user manual – Introduction How the system works The dosimeter measures and records X-ray exposure every second and transfers the data wirelessly, via radio, to the real time display. The real time display shows real time dose exposure from up to eight dosimeters in range at a time. Color indication bars (green, yellow, red) represents the intensity of the currently received exposure. The accumulated dose per individual is displayed next to the color indication bars.
RaySafe i2 dose viewer user manual – Using dose viewer Using dose viewer Introduction to dose viewer The dose viewer application lets you, for one dosimeter at a time, connected via cradle: • View the dosimeters dose history. • Change the dosimeter options, for example full name and displayed name.
RaySafe i2 dose viewer user manual – Using dose viewer 1 2 3 4 5 Figure 2. Dose viewer overview The following items are available when you start dose viewer: Table 1. Dose viewer information Item Description 1 Application menu Access the dose viewer options dialog, see section “Specify password and language” on page 18. 2 Home tool bar Access tools to navigate in dose graphs and dose tables, see section “Home tool bar overview” on page 8.
RaySafe i2 dose viewer user manual – Using dose viewer Item Description 4 Dose graph View the dose history as a graph, see section “View dose graph” on page 15. 5 Dose table View the dose history as a table, see section “View dose table” on page 17. Getting started with dose viewer NOTE Do not connect the cradle to the computer unless dose viewer and the cradle driver are installed on the computer. Follow the steps below to get started with dose viewer: 1. Start the dose viewer application. 2.
RaySafe i2 dose viewer user manual – Using dose viewer Function Description Redo zoom button Move one step forward in a sequence of zoom actions, showing the time range that was selected before the last undo zoom action. Show all button Show all available data for the selected dosimeter. The time range will start the first date any dosimeter begun to measure dose and stop the last date any dosimeter was synchronized. Left button Shift the time range one step backward.
RaySafe i2 dose viewer user manual – Using dose viewer Function Description Dose rate check box Show/hide the dose rate in the dose graph. Show details check box Checked: The graphs will display dose rate samples for every second, where such data is available. Unchecked: The graphs will display mean dose rate values per hour. Dosimeter panel Figure 4. Dosimeter panel Dosimeter information The following information is visible when a dosimeter is placed in the cradle: Table 5.
RaySafe i2 dose viewer user manual – Using dose viewer Item Description Displayed name The name that is displayed in the real time display online view. Clinical role One of doctor, nurse, technician or other. Dosimeter A unique dosimeter serial number. Dosimeter position One of head, torso, hand, belly, leg or other. Battery status The dosimeter’s battery status: • Green: normal use. • Yellow: normal use. • Red: the dosimeter needs to be replaced in 4-6 months at normal use.
RaySafe i2 dose viewer user manual – Using dose viewer Item Description Total personal dose The total dose exposure for a dosimeter since last dose history reset. Time of last reset. NOTE Dose session reset done in dose viewer will not appear as an event in dose manager. Selection summary View a summary of the dose data selection you might have done either in the dose table or in the dose graph (see section “View dose graph” on page 15 and section “View dose table” on page 17).
RaySafe i2 dose viewer user manual – Using dose viewer Dosimeter options Figure 5. Dosimeter options, information tab In the Information tab you can: • Edit dosimeter information (full name, displayed name, dosimeter position, clinical role, and annual dose limit value) and select a displayed symbol, a color which is displayed in the real time display interface. The displayed name is used to identify a dosimeter in the real time display. The name is limited to 16 characters.
RaySafe i2 dose viewer user manual – Using dose viewer Figure 6. Dosimeter options, settings tab In the Settings tab you can: • View and synchronize the dosimeter’s clock with the computer’s clock. • Set real time display mode to show/hide, which makes the dosimeter to be shown/not shown on a real time display. • Turn power mode on/off, which puts the dosimeter in operating or power saving mode.
RaySafe i2 dose viewer user manual – Using dose viewer internal clock will be synchronized to the same time as the host PC, including the Windows time zone settings. If you are using multiple dosimeters, it is important to synchronize time for the dosimeters with the same PC, because they will have the same time reference. NOTE If you need to change the time backwards to where there is dose history stored, the dose history will have to be reset and all dose history will disappear.
RaySafe i2 dose viewer user manual – Using dose viewer • Show details: Checked: The graphs will display dose rate samples for every second, where such data is available. Unchecked: the graphs will display mean dose rate values per hour The graphs are covering a time span that you choose, either: • From the advanced navigation panel. • From the navigation panel. • Or by left-clicking and dragging in the graph (zooming).
RaySafe i2 dose viewer user manual – Using dose viewer View dose table Figure 8. Dose table with selection In the dose table tab you can view a table of: • Accumulated dose values. • Dose rate values. The tables are covering a time span that you choose either from the: • Navigation panel • Advanced navigation panel. Selection summary You can also select one or several rows to be summarized in the selection summary field of the dosimeter panel.
RaySafe i2 dose viewer user manual – Using dose viewer Specify password and language Figure 9. Program options dialog box In the application menu (top left corner of the main window) -> Program options dialog box (see figure above) you can: • Specify a password to protect the access to the dosimeter options dialog. The password is only used when you are making dosimeter options changes. Others can still view the dosimeter data. • Change application language. • View the dose viewer program version.
RaySafe i2 dose viewer user manual – Using the dosimeter Using the dosimeter Introduction Figure 10. The dosimeter The dosimeter is an active dose meter designed for maintenance-free usage throughout its lifetime. You can personalize the dosimeter’s appearance by attaching one of the 8 inlays of different color, which are delivered together with the dosimeter. (Select which color to show on the real time display, using the dosimeter options dialog, see “Figure 5.
RaySafe i2 dose viewer user manual – Using the cradle Using the cradle Introduction Figure 11. The cradle The cradle is a dock station that lets you connect a dosimeter to a computer for data read out as well as dosimeter options writing into the dosimeter. Getting started NOTE Do not connect the cradle to the computer unless dose viewer and the cradle driver are installed on the computer. 1. Start the dose viewer application. 2. Connect a cradle to your computer’s USB port. 3.
RaySafe i2 dose viewer user manual – Troubleshooting Troubleshooting Dose viewer and cradle Table 7. Dose viewer and cradle troubleshooting Problem Solution The dosimeter does not appear in dose viewer Check that the dosimeter is correctly fitted into the cradle Dose viewer does not detect the cradle • Check the USB connection between the cradle and the computer.
RaySafe i2 dose viewer user manual – Troubleshooting Other user manuals • Dose manager is described in a separate user manual, which can be found from the Help menu in dose manager software. • The dosimeters are described in a quick guide, delivered together with the dosimeter. • The real time display is described in the system user manual. • More information about installation and maintenance can be found in the service manual, delivered with the system.
RaySafe i2 dose viewer user manual – Technical data Technical data Dosimeter and real time display/dose viewer memories Dose rate samples that have been overwritten in the dosimeter’s dose rate memory may still be available in the real time display. If there are no dose rate samples neither in the real time display, nor in the dosimeter dose rate memory, the real time display and dose viewer will instead display mean dose rate values based on accumulated dose values (see figure below).
RaySafe i2 dose viewer user manual – Technical data Time management The dosimeter logs dose history in local time with no daylight saving time adjustments. Daylight saving time adjustment is done in the real time display, dose viewer or dose manager when the dose history is presented. The following happens when the daylight saving time is changed: • When going to summertime, one extra hour with no dose data will be added to the dose log.
