RSS for Windows® Software - KORR Medical Technologies
Contents
1. 4 2 Open and Closing Data Files The file menu has two options for opening data files SAVE DATA FILE opens a data for recording data You may also use the save to file button on the toolbar The file may either be a new or an existing file If it is an existing file you will be prompted if you want to overwrite the existing file If you select NO the file will be appended to at its end NOTE No data is stored to the file until a file is open and RECORD is selected on the File Control Interface Research Spirometry System KORR Medical Technology AES Communications Scale Zeroing Sensor Type Calibration Help Save Data File Ctrl S Review Data File Ctrl 0 Close File Eti File Controls Timed Breaks Convert A File Generate Signal File Generate Param File Print Exit Cirle The REVIEW DATA FILE is available to open an existing file for playback You may also use the open file button on the toolbar To close data files select CLOSE FILES from the menu or use the file close button on the toolbar NOTE The RSS software does not store data in a buffer temporary file If a file is not open and the software recording no data will be saved RECORDING is covered in the next section describing the File Control Interface Last Revised 01 27 99 DOC000X Rev A Page 11 of 25 RSS For Windows Software Manual 4 3 File Control Interface The File Control Interface is a2. Last Revised 01 27 99 DOC000X Rev A Page 6 of 25 RSS For Windows Software Manual 2 4 Status Bar No File Selected Automatic Zero Mode Hans Rudolph 8430 8431 0 3Lpm The status bar is provided give the user access to information at a glance There are three boxes of information provided by the status bar The panel on the far right displays the name of the currently selected sensor The panel in the middle displays the current zeroing mode either Automatic or Manual The panel on the left displays the current mode that the RSS 100 is in One of three messages is displayed here ZEROING is shown while the RSS 100 is zeroing CALIBRATION is displayed while the RSS 100 is in calibration mode When the RSS 100 is in normal mode this panel displays the name of the file currently open for either playback or recording If no file is open this panel appear as above 2 5 Pull down Menus File Communications Scale Zeroing Sensor Type Calibration Setup Help Like all Windows programs the RSS 100 for Windows provides you with a menu for easy access to the program s functions A brief description of the software s menu structure follows File This menu gives access to the file handling and printing functions of this software For a complete description see Section 4 of this manual Communications The communications menu allows you to select the communications port and select the serial data mode For a com
3. Started The Model RSS 100 Research Pneumotach System is for use in any research application where airway flow and pressure are measured Although the RSS 100 is designed to be used with spontaneously breathing and mechanically ventilated subjects it is not intended for clinical use on human subjects Information from this research device should not be used as the basis for clinical decisions The RSS 100 Research Pneumotach System measures gas flow using the differential pressure method As gas flows through the pneumotach the microprocessor based system converts the measured differential pressure to volumetric flow rate Flow and pressure measurements are used to calculate several ventilator management parameters such as respiratory rate lung compliance tidal volume minute volume positive end expiratory pressure etc 1 1 System Requirements e 486x33MHz based PC or Higher e Microsoft Windows 3 1 or later e 8Mb of RAM recommended On slower computers the RSS software may not be able to display the real time waveform data If you are using a slower computer than recommended and a problem occurs select Parameters Only from the Communications menu The RSS software plotting chart functions have been optimized to work on the slowest computers possible 1 2 Connecting to the RSS 100 The RSS 100 uses a standard 9 pin serial cable to connect to a PC Simply plug a serial cable into the RS232 port on the back of the RSS 100 and int
4. manufactured by Hans Rudolph can be selected by their model numbers If you don t know the model number of the linear flow sensor you are using then you may select a generic linear 7 Calibrate Sensor Now flow sensor type based on the flow rates of your sensor Linear flow sensors do require calibration The RSS 100 for Windows software will remind you to calibrate your flow sensor by showing the dialog box to the right when you select it By clicking the yes button you will be immediately taken to the flow calibration routine If you choose not to calibrate your sensor at this time you can calibrate it later by selecting Flow Sensor from the Calibration menu As with the KORR sensors a check mark will appear next to the name of the sensor that you selected and the name of the sensor will appear on the status bar Last Revised 01 27 99 DOCO00X Rev A Page 20 of 25 RSS For Windows Software Manual 9 0 Calibration Interface 9 1 Flow Calibration The RSS 100 allows the user to calibrate the flow measurement If you are using a linear pneumotach calibration is required If you are using a KORR fixed orifice pneumotach the RSS 100 is already calibrated Refer to section 9 of the RSS 100 User s Manual Setup Help To enter flow calibration mode select the Flow Sensor option from the Gas Settings Calibration menu 9 1 1 Calibration Volume Syringe Yolume Dialog x Flow calibration is performed by pa
5. may be turned off using the L Mouton on the toolbar or by using the Setup Breath Detect selection from the menu bar Last Revised 01 27 99 DOCO00X Rev A Page 25 of 25
6. only affects data playback All recording is done at the end of the data file Ee H G REWIND This button will back up the data file during playback to the previous event marker in the file Automatic event markers provide periodic events for the file to be rewound or forwarded to E CONTINUOUS PLAY This button may be enabled during data playback to allow for continuous play In continuous play the data file will automatically rewind to the begining of the file as soon as the end of the file is reached e FORWARD This button advances the data file during playback to the next event marker in the file Automatic event markers provide periodic events for the file to be rewound or forwarded to a END OF FILE This button advances the data file to its end This only affects data playback Speed Control 10 O EE SPEED CONTROL The speed control is provided to adjust the playback speed The number shown is the time in milliseconds msec between waveform samples The data sample rate for the RSS 100 is 20 msec Therefore a number larger than 20 will result in slower than normal playback and smaller numbers will yield a fast playback speed 4 3 2 Event Markers Event markers have been provided to assist you during data collection There are two events that you the user can place into the file TIME STAMP and ANNOTATE During file playback these events will appear in the Event panel on the File Controls Interface Ti f
7. sub screen used for recording annotating and playback of data files You can bring up the File Control Interface by selecting the file control button on the toolbar or by selecting FILE FILE CONTROLS from the menu bar There are four main panels or sections in the File Controls Interface Playback Controls Event Markers File Information and Event Playback Playback Controls she Markers PEE e bded A l Speed Control 90 Ki E Bi File Information rss 7 51 49 AM Subject Patient 1 Investigator Dr Gas D Man Sample file for the manual Event 7 51 49 AM Gave medication 1 Started non invasive cardiac output device Figure 4 3 1 File Controls Interface 4 3 1 Playback Controls The following controls are provided to aid in data review and recording Le RECORD The record button initiates writing data to the open data file An TIME STAMP event marker is placed in the data file indicating the begining of recording Sa PLAY The play button initiates data playback from an open file Ls STOP The stop button terminates data recording or playback The data file is left open Last Revised 01 27 99 DOC000X Rev A Page 12 of 25 RSS For Windows Software Manual PAUSE The pause button stops data playback temporarilly Files should be paused before printing so that desired plot is captured for printing BEGINING OF FILE This button rewinds the data file to its beginning This
8. the buttons and their functions follows wm a m a e o 5 E aE Save to file button This button calls up the save as dialog and allows you to begin saving your data to a file If a file is already open this button is disabled Open file button This button calls the open file dialog that allows you to begin reviewing a file If a file is already open this button is disabled Close file button This button closes any open data files If no file is open then this button is disabled Print button This button gives you quick access to the print functions Click this and the printer dialog appears File controls button This button calls up the file controls dialog See section 4 0 Data and File Handling Zero now button This button forces the RSS 100 unit to zero immediately See section 7 0 Zeroing Re scale button This button forces all the plots to automatically re scale immediately rather than wait for the the auto scale to rescale them Flow calibration button This button gives you quick access to the RSS 100 s calibration features See section 9 0 Calibration features Breath Detection ON OFF This button toggles the breath detection on and off Breath Detection Flow Threshold This button brings up a dialog box for entering the breath detection flow threshold Refer to section 10 of this software manual for more details Help button This button calls up the RSS 100 for Windows help file
9. uses a flow rate threshold that the flow must cross to trigger a change in the breath phase Higher the flow rate thresholds yields less sensitive breath detection Lower thresholds yield more sensitive breath detection Typical breath detection thresholds are given below for the different sensor types KORR Neonatal 35 LPM 0 4 0 2 KORR Adult 180 LPM 2 0 0 5 10 Hans Rudolph 8430 8431 3 LPM 0 1 0 1 1 Hans Rudolph 8420 8421 5 LPM 0 4 0 2 1 Hans Rudolph 8410 8411 10 LPM 0 4 0 2 2 Hans Rudolph 8300 4311 10 LPM 0 4 0 2 2 Hans Rudolph 3500 4500 35 LPM 1 0 0 5 5 Hans Rudolph 3719 4719 100 LPM 1 0 0 5 10 Hans Rudolph 3700 4700 160 LPM 1 0 0 5 10 Hans Rudolph 3830 4830 400 LPM 5 0 1 0 25 Hans Rudolph 3813 4813 800 LPM 5 0 1 0 25 Select Threshold from the Setup Breath Detect menu to adjust the breath detection threshold You may also use the button on the toolbar anes 4 On Off Flow vs T Threshold Enter the desired flow rate for the breath detection threshold and select OK The threshold value will return to DEFAULT whenever the RSS 100 is turned on or when a new flow sensor type is selected Last Revised 01 27 99 DOC000X Rev A Page 24 of 25 RSS For Windows Software Manual 10 2 Turning Breath Detection ON or OFF The RSS 100 breath detection will default to ON whenever the device is turned on or when a new flow sensor type is selected The breath detection
10. ASCII format and can easily be imported into your favorite spreadsheet They contain raw flow pressure volume and auxiliary pressure time series collected at 20 msec time increments 50 Hz sample rate 4 5 Generating Parameter PAR Files Parameter files store the breath by breath calculated ventilator parameters The PAR files are generated from the RSS files using a file conversion program This is done by selecting FILE GENERATE A PARAM FILE from the RSS software menu bar Files must be closed to enable this option The PAR files are in ASCII format and can easily be imported into your favorite spreadsheet Last Revised 01 27 99 DOC000X Rev A Page 15 of 25 RSS For Windows Software Manual 5 0 Printing BS In order to print the charts select File Print from the menu bar or click on the Print button on the toolbar The following dialog will appear Select Plots x V Synchrony Plots I Flow vs Time Pressure vs Time Annotate T Yolume vs Time Loop Plots From this dialog box you are allowed to select which chart s you want to print By clicking the checkbox next to the chart you want to print you specify which will be printed To add notes to the printouts select the Annotate button This will bring up the Annotate dialog box add up to four lines of notes then click Ok 10 37 45 AM This is a note The standard print dialog box is then shown which allows you to select the
11. RSS for Windows Software User s Manual Research Pneumotach System January 21 1999 Catalog No 2000 10 Copyright 1997 KORR Medical Technologies Inc Salt Lake City Utah U S A 84109 All rights reserved No part of this manual may be reproduced without the written permission of KORR Medical Technologies Inc RSS For Windows Software Manual NOTE Intended Use The RSS 100 Research Pneumotach System and associated software is for Research Purposes Only It is not intended for clinical use on human subjects Do not base clinical decisions on information from the research device Technical Assistance Technical support for the RSS 100 for Windows software may be reached by calling KORR Medical Technologies Inc at 801 483 2080 or by sending email to Tech Support korr com Technical support is available between 9 AM and 4 PM MST Monday through Friday Software Customization Services Since every researcher s data collection needs are different we provide a service for customizing the RSS for Windows software to your specific needs KORR Medical Technologies specializes in innovative solutions to complex physiological monitoring problems KORR Researchers along with an excellent engineering staff provides a range of services from basic research to product development Last Revised 01 27 99 DOC000X Rev A Page 1 of 25 RSS For Windows Software Manual 1 0 Getting
12. are using click the Gas Calculator button Last Revised 01 27 99 DOC000X Rev A Page 22 of 25 RSS For Windows Software Manual 9 3 2 Gas Calculator Gas Calculator Ea Balance Gas Gas Inspiratory Expiratory SO oie Molecular Weight coo fio k feo ie om Jorn Z c Viscosity Coef _z aPC 2 foo k po hk A i Viscosity Intercept kerc fo bs Select Gas None OO i User Gas 2 Molecular Weight _ g mote a Viscosity Coef aPC Viscosity Intercept z RPae oc Select Gas None z Tempertwe a e Cd asan User Gas id Relative Humidity p k 5 Molecular Weight _ g mote Viscosity Coef aPC Viscosity 182 0 xP 181 8 AF Viscosity Intercept a 0 C Molecular Weight 27 87 g mole 28 13 g mole select Gas None a G Air C Respiration S x Cancel Help The gas calculator allows you to calculate the viscosity and molecular weight of a gas mixture One gas serves as a balance gas This means that the percentage of this gas is automatically adjusted to insure that the total percentage of gases totals 100 To change which gas is the balance gas click the radio button to the left of the gas s name Any of the five standard gases may be used as a balance gas You can adjust how much of a percentage each gas makes up of your mixture by changing
13. culated ventilator parameters The PAR files are generated from the RSS files using a file conversion program This is done by selecting FILE GENERATE A PARAM FILE from the RSS software menu bar Files must be closed to enable this option The PAR files are in ASCII format and can easily be imported into your favorite spreadsheet The RSS software has a simple means to annotate data files Each of the annotations will be marked as an event in the data file When the data files are played back the annotated text and the time of the event will be displayed on the screen 4 1 1 EVENTS The RSS software supports 5 different types of events 1 START OF FILE 2 BEGINNING OF A RECORDING 3 TIME STAMP 4 ANNOTATE 5 END OF FILE 6 AUTOMATIC EVENT Each event is marked in the RSS data file with a time stamp For the beginning of a recording and for an annotated event a dialog box will appear with a space provided for the user to type in his text annotation TIME STAMP or an ANNOTATE events are initiated by the user by pressing a button that is provided for each Each event is described below A File Control Interface is provided to aid in data collection and data playback Last Revised 01 27 99 DOC000X Rev A Page 10 of 25 RSS For Windows Software Manual Automatic events are placed in the file to assist in the rewind and forward functions of the data file playback This will be described in more detail later in section 4 3 3
14. eater accuracy the user is allowed to enter the local barometric pressure into the system To change the barometric pressure select Barometric Pressure from the Calibration menu Enter the local barometric pressure in the box provided and click the OK button Enter Local Barometric Pressure Barometric Pressure e mmHg x Cancel 9 3 1 Gas Settings The RSS 100 can compensate for the effects of gas temperature viscosity molecular weight and relative humidity on flow measurement as well as correct flow calculations to one of several standard conditions The Gas Settings option under the Setup menu gives you access to these settings For more information on the gas settings refer to section 5 of the RSS 100 User s Manual Gas Settings Data Entry Ea inhaled Gas Settings Exhaled Gas Settings Temperature 300 K Temperature 2k Viscosity HP Viscosity HP Molecular Weight g mole Molecular Weight g mole Relative Humidity Relative Humidity Gas Correction Ambient Temperature K Correction Mode E Gas Calculator r OK x Cancel The Gas Settings dialog box lets you adjust the temperature viscosity molecular weight and relative humidity for both the inhaled and exhaled gases Also you can adjust the ambient temperature and have the flow adjusted to one of six standard modes ATP ATPD ATPS BTPS STPD 0 C and STPD 15 C If you don t know the viscosity or molecular weight of the gas you
15. ive Receive Transmit 3 2 Selecting COMM Port The RSS 100 can work on either COMM 1 or COMM 2 on your personal computer If the RSS 100 is connected to your computer and turned on when the software is started the software will automatically detect which COMM port the RSS 100 is on and then initiate data transfer between the RSS 100 and your PC While running the RSS Software you may select COMMUNICATIONS from the menu bar to change communications options 3 2 Selecting the Serial Communications Mode The RSS 100 has four modes for data transmission via the serial port These are available from the Communications menu The currently selected mode shows a check mark next to its name Communications Ef WaveForm v Both Parameters aoe None selects no data transmission This stops all automatic data transmissions from the RSS 100 Comm Port 1 Comm Port 2 Wave Form starts the continuous transmission of waveform data from the RSS 100 Flow volume airway pressure and auxiliary pressure data are received at a 50 Hz rate Parameters starts the automatic transmission of parameters that are calculated at the end of a breath These parameters are calculated on a breath to breath basis Refer to the RSS 100 user manual Section 3 Monitor Operation Definition of Calculated Parameters for a complete list of these parameters Please note that no parameters are calculated for a breath if a zero occurs during that breath B
16. ls for the loop plots The Clear Volume button allows you to reset the volume when the breath detect feature is turned off The Clear Plots button clears both the loop plots The Clear Both button resets the volume clears the loop plots and zeros the RSS 100 The Number of Loops control allows you to specify the number of loops drawn before the loop plots are automatically cleared up to 4 loops can be drawn Flow Limin 0 7 3 Volume mh 7 146 Pressure cm H20 0 0 Aux Press cm H20 0 0 Clear Yolume Clear Plots ee Number of Loops volume Pressure Synchrony Plots Ventilator Parameters Last Revised 01 27 99 DOC000X Rev A Page 4 of 25 RSS For Windows Software Manual 2 2 3 Ventilator Parameters The breath parameters screen displays all the calculated parameters These parameters are updated at the end of a breath See section 3 of the RSS 100 user s manual for a complete description of these parameters Also shown on this screen shown in red numbers are the current values for flow volume airway pressure and auxiliary pressure Synchrony Plots_ Loop Plats Wentila Last Revised 01 27 99 DOC000X Rev A Page 5 of 25 RSS For Windows Software Manual 2 3 Toolbar Description PR AE e The toolbar is provided for both convenience and speed It provides a quick and easy way to call often used functions A description of
17. o a serial port on your PC COMM1 or COMM 2 See Section 3 0 for more information on serial communications 1 3 Installing the Software Turn on your PC and start Microsoft Windows Insert the RSS 100 for Windows disk into a 3 25 disk drive on your PC Select Run from the File Menu under Microsoft Widows 3 1 Select Run from the Start menu under Microsoft Windows 95 When the Run dialog box shows type in a setup if the disk drive that you inserted the RSS 100 for Windows disk into is not a then substitute its drive designation for a Click Ok The Installation program for RSS 100 for Windows asks you several questions before installing the program You are given the option to specify where you want the program installed on your computer If you are installing over a previous version of this software you will be asked where to back up old copies of your files Also you are asked where to put the icons for the RSS 100 for Windows program Simply follow the instructions given by the installation program If no changes are made to the default installation options RSS 100 for Windows will be installed to C RSS_WIN and the shortcuts to the program will in the RSS 100 for Windows group Last Revised 01 27 99 DOC000X Rev A Page 2 of 25 RSS For Windows Software Manual 2 0 Overview of RSS for Windows Software 2 1 Purpose amp Intended Use The Model RSS 100 Research Pneumotach System is fo
18. oth starts the automatic transmission of both waveform data and parameter data as described above Last Revised 01 27 99 DOC000X Rev A Page 8 of 25 RSS For Windows Software Manual 3 3 Protocol for Serial Communications See section 10 of the RSS 100 User s Manual Last Revised 01 27 99 DOC000X Rev A Page 9 of 25 RSS For Windows Software Manual 4 0 Data and File Handling 4 1 File Structure Background and Theory of Operation The RSS software files handle three kinds of data Signals Parameters and events Signals are the raw flow pressure and volume time series waveforms Parameters are the breath by breath ventilator parameters calculated by the RSS 100 device Events are information placed into the data files by the user The RSS software provides an interface for the user to mark events during data collection The RSS software can generate three different file types namely filename RSS The RSS files are generated when the user selects to save data to a file These files contain signal parameters and event information filename SIG Signal file of raw waveforms The SIG files are generated from the RSS files using a file conversion program This is done by selecting FILE GENERATE A SIGNAL FILE from the RSS software menu bar Files must be closed to enable this option The SIG files are in ASCII format and can easily be imported into your favorite spreadsheet filename PAR Breath by breath cal
19. piii Pressing this button during recording places a time stamp in the data file A dialog box will appear showing the exact time that was written to the file One use of this function is to correlate data collection in a laboratory notebook or data collection worksheet with the data in the file Annotate Pressing this button during recording brings up a dialog box where you may enter notes text Upon pressing OK your notes and a time stamp is placed in the data file It should be noted that the time stamp is the time that the OK button was pushed not the ANNOTATE button Last Revised 01 27 99 DOC000X Rev A Page 13 of 25 RSS For Windows Software Manual 4 3 2 1 Automatic Event Markers Automatic event markers are placed in data files to assist in the rewind and forward functions during playback Recall that rewind and forward simply move the data file from event to event In the absence of user events i e TIME or ANNOTATE there would simply be beginning and end of file events You may adjust the time intervals between automatic events To set the time interval select FILE TIMED BREAKS form the menu bar Close Files Ctrl C File Controls Timed Breaks if This will bring up the following dialog box C 30 Sec f 7 1 Min C5 Min X Cancel C 10 Min 9 Hep Select the desired time interval between automatic event markers and then select OK Shorter times will allow you to see more of yo
20. plete description see Section 3 of this manual Scale The scale menu provides access to the plot re scaling functions It allows you to change the scale on any of the plots and turn on or off the automatic re scaling For a complete description see Section 6 of this manual Zeroing The zeroing menu allows you to change between automatic and manual zeroing and to order an immediate zero For a complete description see Section 7 of this manual Sensor Type The sensor type menu allows you to specify the flow sensor you are using For a complete description see Section 8 of this manual Calibration The calibration menu allows you to calibrate your flow sensor as well as make adjustments for gas composition and barometric pressure Fora complete description see Section 9 of this manual Setup The setup menu give access to the breath detect functions These allow you to adjust the level of flow necessary for breath detection or turn the breath detection on and off For a complete description see Section 10 of this manual Help The help menu calls up the RSS 100 for Windows help file Last Revised 01 27 99 DOC000X Rev A Page 7 of 25 RSS For Windows Software Manual 3 0 Serial Communications 3 1 Cable Requirements The RS232 serial communication is a 3 wire interface The cable is a straight through not null modem 9 pin male to 9 pin female DSUB cable Pin PC Signal RSS 100 Signal Ground Ground Transmit Rece
21. printer and print quality Last Revised 01 27 99 DOC000X Rev A Page 16 of 25 RSS For Windows Software Manual 6 0 Re scaling Plots The RSS 100 for Windows software automatically tries to scale each plot so that the entire plot is visible to you If you don t want to wait for the auto scale to re scale the plots you can select scale re scale from the menu This will force the program to re scale all plots now Should you want to specify a specific range to view on a plot this can be easily done in one of two ways Either select scale manual scale from the menu or right click on the plot that you want to re scale Research Spirometry System KORR Medical Technology File Communications ete Zeroing Sensor Type Calibration Help Re Scale Ctrl R OO Auto Scale gt Flow Volume Flow Volume Pressure Volume 4 Manual Scale Flow Auto Scale This will bring up a re scale dialog box that will allow you to specify the range of values you want to focus in on Enter the minimum and maximum values then click Ok to re scale the plot New Scale Range New Pressure Scale Max Pressure Min Pressure Jf OK Last Revised 01 27 99 DOC000X Rev A Page 17 of 25 RSS For Windows Software Manual To return to automatic scaling mode select that plot from the Scale Auto scale menu or select Auto Scale by right SUCKING the chart you want retu
22. r use in any research application where airway flow and pressure are measured Although the RSS 100 is designed to be used with spontaneously breathing and mechanically ventilated subjects it is not intended for clinical use on human subjects The RSS software provides a simple interface for recording and playing back data calculated by the RSS 100 Research Pneumotach System All functions on the RSS 100 are available using the RSS software 2 2 Main Screens The RSS software has three main screens You may switch between displayed screens by selecting the appropriate file tab on the bottom of the screen 2 2 1 Synchrony Plots The synchrony plots screen shows plots of the three primary measurements flow airway pressure and volume Also shown on this screen shown in red numbers are the current values for flow volume airway pressure and auxiliary pressure Flow Umi 0 8 Volume ml 144 Pressure em H20 f 0 0 Aux Press cm H20 0 0 Synchrony Plots Loop Plots Ventilator Parameters Plots 4 Ventilator Parameters Last Revised 01 27 99 DOC000X Rev A Page 3 of 25 RSS For Windows Software Manual 2 2 2 Loop Plots The loop plots screen shows plots of flow vs volume and airway pressure vs volume Also shown on this screen shown in red numbers are the current values for flow volume airway pressure and auxiliary pressure In the lower right corner of this screen are contro
23. rned to auto scale E ci Re Scale Ctrl R Auto Scale b Auto Scale All Ctri Manual Scale gt s T v Flow v Pressure Lia v Volume Flow Volume 0o d v Pressure Yolume Pressure vs T Manual Scale Flaw To return all the plots to auto scale select Auto Scale All from the Scale Auto Scale menu Last Revised 01 27 99 DOC000X Rev A Page 18 of 25 RSS For Windows Software Manual 7 0 Zeroing Functions Auto Zero Zeroing Sensor Type Calibratio Zero Now Ctrl Z y Automatic Zeroing Manual Zeroing The RSS 100 provides two different modes for zeroing Automatic Zeroing and Manual Zeroing When the RSS 100 is set for automatic zeroing the device will zero its self approximately every five minutes this is the default setting for the RSS 100 When the RSS 100 is set for manual zeroing the device waits for you to send the zero command To change the zeroing mode select the desired mode from the Zeroing menu The current zeroing mode shows a check mark next to its name In either zeroing mode you can request an immediate zero The RSS 100 for Windows software provides three ways to do this The first way is to select Zero Now from the Zeroing menu The second way is to click the Zero Now speed button on the tool bar Third you can request a zero by pressing the Ctrl key and the Z key at the same time For more information on zeroing refer to sec
24. ssing a known volume of gas through the pneumotach using a calibration syringe The first dialog to appear asks you to enter the volume of biu i your calibration syringe in milliliters Click the OK button to continue with the calibration or click Cancel to abort this gt x calibration Enter Cailibration Syringe Volume 9 1 2 Calibration Screen Calibration Ea Calibration In Process Syringe Yolume 10 ml Measured Inspired Yolume 9 6 ml Measured Expired Volume 9 9 ml Approximate Flow 2 5 Click accept when measured volumes are similar to syringe volume The calibration dialog box displays the volume of the syringe the measured inspired volume the measured expired volume and an approximate flow rate Pump the calibration syringe all the way in and all the way out until the three volumes are similar Remember to keep the approximate flow rate within the tolerances of your pneumotach Once the inspired and expired volumes are similar to the volume of the calibration syringe click the Accept button and you are done calibrating your pneumotach If you want to quit calibration with out saving finishing click the Cancel button and the calibration is aborted Last Revised 01 27 99 DOC000X Rev A Page 21 of 25 RSS For Windows Software Manual 9 2 Barometric Pressure Calibration The RSS 100 automatically calculates the barometric pressure to with in 2 percent of full scale To give gr
25. the values in the two columns to the right of the gas s name If you have a gas in your mixture that is not one of the standard five you may use one of the user gases The user gases have three predefined gas option and a user defined option Select your gas from the list of predefined gases or if the gas you are using isn t one of these predefined gases select the user defined option Then enter the molecular weight viscosity coefficient and viscosity intercept into the boxes given Clicking the Air button or the Respiration button will set the calculator to the defaults for air or respiration Enter the temperature and relative humidity for both inspired and expired gases in the boxes provided Viscosity and molecular weight are calculated every time you make a change to any of the controls When you are done click the OK button to accept these values The viscosity relative humidity molecular weight and temperature will be put into the appropriate boxes on the Gas Settings dialog Last Revised 01 27 99 DOCO00X Rev A Page 23 of 25 RSS For Windows Software Manual 10 0 Breath Detect Setup The RSS 100 has a built in breath detection algorithm The algorithm determines the breath phase i e inspiration expiration inspiratory pause etc This algorithm is designed to reject signal noise and other artifact when determining the phases of a breath 10 1 Breath Detect Threshold The RSS 100 breath detection algorithm
26. tion 9 of the RSS 100 User s Manual Last Revised 01 27 99 DOC000X Rev A Page 19 of 25 RSS For Windows Software Manual 8 0 Selecting Sensor Type 8 1 KORR Sensors The RSS 100 is designed to work with two types of pneumotachs One type of pneumotach is the KORR fixed orifice pneumotach These are shipped with the RSS 100 To use a KORR Adult or KORR Neonate flow sensor connect the Sensor Type Calibration Setup sensor to the RSS 100 and select the appropriate sensor from the j Kor Adult 0 180 Lpm Sensor Type menu The KORR sensors do not require any calibration gt _ Ket Neonatal 0 35 Lem and may be used immediately Once a sensor is selected then a check mark will appear next to its name in the menu also the name of the current sensor is listed on the status bar at the bottom of the screen Refer to section 7 of the RSS 100 User s Manual for more information 8 2 Linear Sensors PUN Lew ep E Hans Rudolph Sensors Ods NUNIT SEUS Fi viov yo rune Tell 8430 8431 0 3Lpm 0000 0 3 Lpm Fleisch Sensors b 8420 8421 0 5Lpm 000 0 5 Lpm i Generic Linear Sensors P 8410 28411 0 10Lpm oo 0 10 Lpm 4 To 9330028311 010 Lp r 9 0 35 Lm F 3800 4500 0 35 Lpm 10 0 11 O 100Lpm 10 0 1 3719 4719 0100Lpm 2 O 160Lpm F v 3700 4700 0 160Lpm 3 0 400 Lpm 3830 4830 0 400 Lpm _ iia 4 0 800 Lpm ii 3813 4813 0 800 Lpm The RSS 100 also works with linear pneumotachs Pneumotachs
27. ur data during playback The software keeps a timer for the automatic event marker If you the user insert an event by using TIME or ANNOTATE the timer is reset This is to avoid having automatic events too close to user events 4 3 3 File Information Panel The File Information Panel of the File Controls Interface is shown below File Information rss 7 51 49 AM Subject Patient 1 Investigator Dr Gas D Man Sample file for the manual The first line in the information box contains the open file name The next line is the time that the file was first created The remaining lines contain the information that you the user provided when the file was created Last Revised 01 27 99 DOC000X Rev A Page 14 of 25 RSS For Windows Software Manual 4 3 4 Event Panel During file playback the software checks for event markers in the data files The event panel displays information from the data file regarding the last event that was played back This information will remain displayed until another event is reached 4 4 Generating Signal SIG Files A signal file is a data file of raw waveforms Older versions of the RSS software generated thes files automatically In the current version the SIG files are generated from the RSS files using a file conversion program This is done by selecting FILE GENERATE A SIGNAL FILE from the RSS software menu bar Files must be closed to enable this option The SIG files are in
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