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OPERATOR’S MANUAL NPB-295 Pulse Oximeter Caution: Federal law (U.S.) restricts this device to sale by or on the order of a physician. To cont

Introduction Specific information about ambient environmental conditions, sensor application, and patient conditions is contained throughout this manu

CONTROLS, INDICATORS, AND SYMBOLS Displays, Controls, Indicators, and Connectors NPB-295 Symbols Description of Controls Description of Displays and

Controls, Indicators, and Symbols 035554A-0497NPB-2950123IPX1RNRTL/CTMT 0.50A 250V2XNELLCOR PURITAN BENNETT EUROPE BV,'s-HERTOGENBOSCH, THE NETHE

Controls, Indicators, and Symbols DESCRIPTION OF CONTROLS Function Buttons The Power On/Off Button. Used to turn the NPB-295 monitor on or off. Th

Controls, Indicators, and Symbols The Pulse Amplitude Indicator (blip bar). Indicates pulse beat and shows the relative pulse amplitude. As the det

Controls, Indicators, and Symbols Valid Button Press A short, medium-pitched tone indicating that an appropriate button has been pressed Invalid Butt

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SETUP Unpacking and Inspection Performance Verification List of Components Monitor Setup Language Selection Tilt-Stand Supports UNPACKING AND INSPEC

Setup Optional Accessories A wall mount plate, as described in the Sensors and Accessories section is available from Mallinckrodt for use with this mo

Setup Connecting The NPB-295 The NPB-295 operates on AC power when the hospital-grade power cord is connected to both the monitor and an AC power sour

Nellcor Puritan Bennett Inc. 4280 Hacienda Drive Pleasanton, CA 94588 USA Telephone Toll Free 1.800.NELLCOR Mallinckrodt Europe BV Hambakenwetering

Setup 3. Plug the male connector end of the power cord into a properly grounded AC outlet. 4. Verify that the AC Power Indicator is lit. If it is n

Setup select the desired language. Press the EXIT button to return to the main menu. Service personnel may set the appropriate language as the power-

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SENSORS AND ACCESSORIES Selecting a Sensor Biocompatibility Testing Performance Considerations Wall Mount Plate SELECTING A SENSOR WARNING: Before

Sensors and Accessories Table 1: Nellcor Sensors Sensor Model Patient SizeOxisensor® II oxygen transducer (sterile, single-use only) N-25/N-25LF

Sensors and Accessories PERFORMANCE CONSIDERATIONS WARNING: Pulse oximetry readings and pulse signal can be affected by certain ambient environmental

Sensors and Accessories WARNING: Tissue damage can be caused by incorrect application or duration of use of an SpO2 sensor. Inspect the sensor site

Sensors and Accessories The plate attaches to the bottom of the NPB-295 monitor as shown in Figure 4. If the tilt-stand supports are attached, remove

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START-UP AND USE Basic Operation Alarms Adjustable Settings Menu Battery Operation Disposal of Device Components BASIC OPERATION WARNING: The NPB-2

CONTENTS Figures Tables Contents... iii Figures...

Start-Up and Use Ensure that the supply voltage selector switch on the rear panel is set to the proper voltage. Power-On Self-Test (POST) WARNING: En

Start-Up and Use 6. If a sensor is connected to the monitor and the patient, the Pulse Search Indicator lights and the NPB-295 displays zeroes in the

Start-Up and Use Monitoring Mode In Monitoring Mode - Pleth View (Figure 5), the NPB-295 displays SpO2 readings, pulse rate readings, and a pleth wave

Start-Up and Use Pulse Search If the acquired pulse is lost during monitoring, the NPB-295 enters Pulse Search. During Pulse Search, the monitor atte

Start-Up and Use When all of the following conditions are present for 15 minutes, the NPB-295 automatically shuts down: • Running on battery power •

Start-Up and Use • 50 seconds after loss of pulse is detected in the presence of continuous motion When operating on DC power, during a low battery

Start-Up and Use SPORADIC OR LOST PULSE WITH CONTINUOUS MOTIONSPORADIC OR LOST PULSE WITHOUT CONTINUOUS MOTIONPulse Search Indicator lights continuous

Start-Up and Use During that data evaluation period: • If the patient is not moving (for example, because of cardiac arrest, shock, paralysis, anesth

Start-Up and Use ADJUSTABLE SETTINGS The following adjustments can be made using the Adjust Up/Down and Alarm Silence Buttons. • Pulse beep volume •

Start-Up and Use (If the button is pressed for more than 3 seconds or the duration is changed, the Alarm Silence Button must be pressed again to start

Contents Management Of Loss-Of-Pulse Alarm... 29 Adjustable Settings ...

Start-Up and Use The factory default is that the capability of setting the alarm silence duration to OFF is enabled. Alarm Silence Reminder The alarm

Start-Up and Use menus, which will timeout in 5 minutes and the analog port calibration menu, which times out in 2 minutes. LIMITS TREND SETUP LIGHTS

Start-Up and Use LIMITS WARNING: Each time the monitor is used, check alarm limits to ensure that they are appropriate for the patient being monitore

Start-Up and Use EXITSELECT%SP02BPM96.79ALARM LIMITS%SPO2UPPERLOWERBPM10080.17040 Figure 9: Alarm Limits Selection TREND The NPB-295 can graphically

Start-Up and Use EXITVIEW ZOOM NEXT12HR TREND%SPO225JUL98 14 : 35 : 0510090807095 : 98Figure 10: SpO2 Trend Periods of time when no measurements

Start-Up and Use For example, suppose the time represented by the right-hand edge of the screen in Figure 10 is 14:54:05. Scrolling one time period t

Start-Up and Use For example, in Figure 11, the histogram is for the last 12 hours. During those 12 hours, 68% of the %SpO2 measurements were from 96

Start-Up and Use Next The NEXT softkey gives you access to the DELETE and PRINT softkeys. Delete Pressing the DELETE softkey presents two options: YES

Start-Up and Use • data port analog voltage. Press the SETUP softkey once to display VIEW and CLOCK. Then press NEXT to display COMM and LANG. Pres

Start-Up and Use have an ESC/P compatible graphical serial printer is attached to the NPB-295 serial port. Select OXINET if you are connecting to an

Contents Physical Characteristics ... 60 Weight ...

Start-Up and Use LIGHT The LIGHT softkey allows you to turn the backlight on or off. Default Settings The NPB-295 is shipped with factory default sett

Start-Up and Use Nurse Call Feature WARNING: The nurse call feature should not be used as the primary source of alarm notification. The audible and

Start-Up and Use Since the monitor cannot operate with a fully discharged battery, before attempting to turn on an NPB-295 whose battery charge has be

Start-Up and Use Note: As the battery is used and recharged over a period of time, the amount of time between the onset of the low battery alarm and

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TROUBLESHOOTING AND MAINTENANCE Troubleshooting EMI Interference Obtaining Technical Assistance Returning the NPB-295 Maintenance TROUBLESHOOTING WA

Troubleshooting and Maintenance Table 3: Error Codes and Messages Error Code Error Message Action 4 LOW BATTERY The battery is discharged to a critic

Troubleshooting and Maintenance DISALLOWED ON BATTERY - An attempt to print or download data port information while operating on battery power has bee

Troubleshooting and Maintenance 2. One or more display elements or indicators do not light during the power-on self-test. • Do not use the NPB-295; c

Troubleshooting and Maintenance • Excessive environmental motion or electromagnetic interference may be preventing the NPB-295 from tracking the puls

Contents FIGURES Figure 1: NPB-295 Front Panel Display (Pleth View)... 5 Figure 2: NPB-295 Rear Panel...

Troubleshooting and Maintenance units, cellular phones, mobile two-way radios, electrical appliances), it is possible that high levels of such interfe

Troubleshooting and Maintenance The software version appears in the monitor display each time the monitor successfully completes the power-on self-tes

Troubleshooting and Maintenance Cleaning WARNING: Do not spray, pour, or spill any liquid on the NPB-295, its accessories, connectors, switches, or o

SPECIFICATIONS Performance Electrical Environmental Conditions Physical Characteristics PERFORMANCE Measurement Range SpO2 0–100% Pulse Rate 20–250

Specifications Pulse Rate 20–250 bpm ±3 bpm Note: Pulse Rate accuracy is expressed as ±3 bpm across the display range. This variation equals ± one

Specifications Battery Capacity A minimum of 8 hours with a new, fully charged battery under the following conditions: no alarms, no analog or serial

Specifications Operation Temperature +5°C to +40°C (+41°F to +104°F) Altitude/Barometric Pressure -390 m to 3,658 m (-1280 ft. to 12,000 ft.) +1060 hP

Specifications Mode of Operation Continuous 61

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APPENDIX A: QUICK GUIDE TO OPERATION Introduction Settings Adjustments INTRODUCTION This Quick Guide to Operation is intended for use by experience

SAFETY INFORMATION General Safety Information GENERAL SAFETY INFORMATION This section contains important safety information related to general use o

Appendix A: Quick Guide to Operation Table 4: Settings Adjustments To Adjust Action Button Alarm Limits Press Press (to select parameter) Press

Appendix A: Quick Guide to Operation Table 4: Settings Adjustments To Adjust Action Button Time and Date Settings Press Press Press Press (to s

Appendix A: Quick Guide to Operation Table 4: Settings Adjustments To Adjust Action Button Language Press Press Press Press Press SETUP NEX

APPENDIX B: PRINCIPLES OF OPERATION Oximetry Overview OXIMETRY OVERVIEW Pulse oximetry is based on two principles: that oxyhemoglobin and deoxyhemo

Appendix B: Principles of Operation During monitoring, the instrument’s software reads this resistor and selects coefficients that are appropriate fo

Appendix B: Principles of Operation 010050 Saturation (%)pHTemperaturePCO22,3-DPGPO2 (mmHg)10050pHTemperaturePCO22,3-DPGFetal Hb Figure 13: Oxyhemogl

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APPENDIX C: DATA PORT PROTOCOL Overview Connecting to the Data Port Baud Rate Real-Time Display Format Trend Data Printout Nurse Call Analog Outputs

Appendix C: Data Port Protocol The cable used must have a braided shield providing 100% coverage, such as a Belden cable (Belden part number 9609) or

Appendix C: Data Port Protocol 9 10111213141512345678 Figure 14: Data Port Pin Layout Pins 2, 3, and 5 provide data in RS-232 format. Pins 1, 4, 9, a

Safety Information Standard 601-1 for electromedical equipment. All combinations of equipment must be in compliance with IEC Standard 601-1-1 systems

Appendix C: Data Port Protocol 74 Data in the highlighted box above represents the model number of the monitor, in this case the NPB-295. A column hea

Appendix C: Data Port Protocol Software Revision Level The next data field tells the user the software level, (Version 2.0.0.0) and a software verifi

Appendix C: Data Port Protocol Patient Data Patient data is highlighted in the display above. Parameter values are displayed directly beneath the he

Appendix C: Data Port Protocol SH Sat High Limit Alarm SL Sat Low Limit Alarm SD Sensor DisconnectNote: A sensor disconnect will also cause three

Appendix C: Data Port Protocol 2HR TREND 82: 83%SPO210070809010APR98 10:00:00 Figure 17: Trend Data Printout (GRAPH MODE) Trend Data Operation Whenev

Appendix C: Data Port Protocol If battery power is disconnected or depleted, trend data and user settings will be lost. All data is stored with error

Appendix C: Data Port Protocol Table 7: Voltage between pins 10 and 11 Alarm State Nurse Call Polarity Setting Voltage from pins 10 to 11 No current

Appendix C: Data Port Protocol The analog function can be accessed from the main menu by pressing SETUP, NEXT, NEXT, ANALOG. Selecting “0 VOLT” or “1

INTRODUCTION Intended Use General Operating Principles and Conditions INTENDED USE The purpose and function of the Nellcor NPB-295 pulse oximeter is