How it Works
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N-595
User manual
184 pgs1.42 Mb0
Bedienungsanleitung
202 pgs1.45 Mb0
User manual [es]
190 pgs1.85 Mb0
Service Manual
162 pgs5.7 Mb0
User manual
160 pgs6.27 Mb0
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Nellcor N-595 Service Manual

N-595
Pulse Oximeter Service Manual
Max-Fast and O
XIMAX are trademarks of Nellcor Puritan Bennett Inc.
T o obtain information about a warranty, if any , contact Nellcor’ s Technical Services Department, or your local representative.
Purchase of this instrument confers no express or implied license under any Nellcor Puritan Bennett patent to use the instrument with any sensor that is not manufactured or licensed by Nellcor Puritan Bennett.
Covered by one or mor e of the foll owing U.S. Patents and for eign equivalents: 4,621,643; 4,653,498; 4,700,708; 4,770,179; Re. 35,122; 4,802,486; 4,869,254; 4,928,692; 4,934,372; 5,078 ,136; 5,351,685; 5,368,026; 5,485,847; 5,533,507; 5,662,106; and 5,853,364.

Contents

Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . i
Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .v
Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vi
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Warnings ...................................... ....... ...... ....... ...... ... ....... ...... ....... ...... ...... ....... .....1
Cautions .................................... ...... ....... ...... ....... ... ...... ....... ...... ....... ...... ....... ...... ..2
Manual Overview ..................................................................................................2
Description of N-595 Monitor ................................................................................3
Front Panel .................................................................................................4
Rear Panel .................................................................................................4
Softkey Menu .......... .... ... .................................................... ... ... ..................5
Related Documents ..............................................................................................8
Routine Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Cleaning ....................................... ....... ...... ....... ...... ... ....... ...... ....... ...... ...... ....... .....9
Periodic Safety Checks .........................................................................................9
Functional Checks ........................................... ... ... ... ... .... ... ... ...............................9
Battery ................................................................................................................10
Performance Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Introduction .................................. ................................................................. ......11
Equipment Needed .............................................................................................11
Performance Tests ............ .... ... ... ... .................................................... ... ... .... ... ...11
Battery Charge .........................................................................................12
Power-Up Performance ......................................... ... ... .............................12
Power-On Self-Test ..................................................................12
Power-On Defaults and Alarm Range Limits ............................13
Operational Setup ....................................................................................17
Alarms and Alarm Silence ........................................................18
Alarm Volume Control ...............................................................20
Pulse Tone Volume Control ......................................................20
Nurse Call .... ... ... ... .... ... ... ... .................................................... ...21
Analog Output ........................................... ... ... .... ... ... ... ... .... ... ...22
Operation on Battery Power .....................................................23
General Operation ................................................. ... ... ... .... ... ... ... ... .... ... ...24
LED Excitation Test ..................................................................24
Operation with a Live Subject ...................................................25
Pulse Oximetry Functional Tests ..............................................................26
Introduction ............................................................................... 26
Initial Setup ...............................................................................27
Test #1: BPM ............................................................................28
Test #2: SpO2 ...........................................................................29
Test #3: Modulation Level .........................................................30
Test #4: Light ............................................................................32
Safety Tests ........................................................................................................33
N-595 i
Contents
Power-On Settings and Service Functions . . . . . . . . . . . . . . . . . . . . . . . 35
Introduction .................................. ................................................................. ......35
Power-On Settings ..............................................................................................35
Factory Default Settings ........ ... ... ... .... ... ... ... .... ...................................................35
Neonate Default Settings .........................................................................35
Adult Default Settings ...............................................................................37
Service Functions ............................................ ... ... ... ... .... ... ... .............................37
Accessing the Service Functions .............................................................38
Exit Softkey ..............................................................................................39
Next Softkey ................ ... .................................................... ... ... ................39
Param Softkey Menu ................................................ ... ... .... ... ... ... ... .... ... ...40
Reset Softkey ...........................................................................40
Save Softkey .............................................................................40
Sensor Softkey .........................................................................40
Print Softkey Menu ............... .... ... ................................................... .... ... ...41
Trend Softkey ...........................................................................42
ERRLOG Softkey ............ ... .................................................... ...42
INSTAT Softkey ........................................................ ... ... .... ......43
INFO Softkey ............................................................................44
Next Softkey Menu ............... .... ... ................................................... .... ... ...45
DOWNLD Softkey .................................. ... ... ... .... ... ... ................45
ALARMS Softkey ......................................................................45
SELECT Softkey .......................................................................45
Setting Institutional Defaults (Sample) ................................................................47
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Introduction .................................. ................................................................. ......51
How To Use This Section ...................................................................................51
Who Should Perform Repairs ...................... .... ... ... ... ... .... ... ... .............................51
Troubleshooting Guide ................... .... ... ... ... .... ... ... ... ... .... ...................................51
Power .......................................................................................................53
Buttons .....................................................................................................54
Display/Alarms .........................................................................................55
Operational Performance .........................................................................56
Data Port ..................................................................................................57
Error Codes ........................................................................................................57
Other Messages .......................................................................................60
Adjust Contrast Up, Down ........................................................61
Clock Settings Lost ...... ................................................... .... ... ...61
Data In OXIMAX Sensor ...........................................................61
Data Type: SpO2 ......................................................................61
Data Type: Event/SpO2+BPM ..................................................61
Defaults Lost .............................................................................61
Delete Trend? ....... .... ... ... ... .................................................... ...61
Invalid Blip Vol ................................... .... ... ... ... .... ... ... ... .............61
Invalid Silence Duration ............... ... ... .... ... ... ... .... ... ... ... ... .... ... ...62
Invalid SpO2 Limit .................. ... ... ... ... .... ... ................................62
Low Battery ..................................... ... .... ...................................62
Reading Trends ........................................................................62
Reset Defaults? ........................................................................62
Save Defaults? .........................................................................62
Sensor Disconnected ................................................................62
ii
Contents
Settings Lost .............................................................................62
Disassembly Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Introduction .................................. ................................................................. ......63
Replacement Level Supported ...........................................................................63
Prior to Disassembly ...........................................................................................64
Fuse Replacement ..............................................................................................64
Monitor Disassembly ................ ... ... .... ... ... ... .... ...................................................65
Monitor Assembly ............................................... ... ... ... .... ... ... ... ..........................66
Battery Replacement ..........................................................................................67
Removal ...................................................................................................67
Replacement ............................................................................................68
Power Entry Module (PEM) Removal/Replacement ........................... ................ 68
Removal ...................................................................................................68
Replacement ............................................................................................69
Power Supply Removal/Replacement ................................................................70
Removal ...................................................................................................70
Replacement ............................................................................................71
Cooling Fan Removal/Replacement ...................................................................72
Removal ...................................................................................................72
Replacement ............................................................................................73
Display PCB Removal/Replacement ..................................................................74
Removal ...................................................................................................74
Replacement ............................................................................................75
User Interface PCB Removal/Replacement .......................................................76
Removal ...................................................................................................76
Replacement ............................................................................................77
Alarm Speaker Removal/Replacement ........................ ....... ...... ....... ...... ....... ......78
Removal ...................................................................................................78
Replacement ............................................................................................79
Top Case Assembly Removal/Replacement ...................................................... 80
Removal ...................................................................................................80
Replacement ............................................................................................80
Spare Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Introduction .................................. ................................................................. ......81
Obtaining Replacement Parts .............................................................................81
Parts List .............................................................................................................82
Packing for Shipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Introduction .................................. ................................................................. ......85
Returning the N-595 ...........................................................................................85
General Instructions ............................... ... ... .... ...................................................85
Repacking in Original Carton ..............................................................................85
Repacking in a Different Carton ..........................................................................87
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Performance .......................................................................................................89
Electrical ............................................................................................................. 90
Environmental Conditions ...... ... ....................................................... ... ... .............90
Physical Characteristics ......................................................................................92
Compliance .................................. .................................... ...................................93
Manufacturer’s Declaration ................................................. ................................95
Safety Tests ......................................................................................................101
N-595 iii
Contents
Ground Integrity .............................. ... .... ... ... ... ... .... ... ..............................101
Earth Leakage Current ...........................................................................102
Enclosure Leakage Current ....................................................................102
Patient Applied Risk Current .................................................................. 102
Patient Isolation Risk Current ................................................ ... ... ... .... ... .104
Data Port Interface Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Introduction .................................. ................................................................. ....105
Configuring the Data Port .................................................................................105
Communication Baud Rate ....................................................................106
Communication Protocol ........................................................................107
Language Selection ................................................................................108
Nurse Call Setup ....................................................................................109
Analog Calibration Setup ........................................................................110
Agilent (HP) Communications ................................................................111
SpaceLabs Communications ..................................................................111
Marquette Communications ...................................................................112
Datex-Ohmeda Communications ................................... .... ... ... ... ... .... ... .112
Connecting to the Data Port .............................................................................113
Communication With a PC ........................... .... ... ... ... ... .... ... ... ... ........................114
Dump Instrument Info (Option 1) ............................................................115
Set Date and Time (Option 2) ................................................................115
Dump Trend (Option 3) ..........................................................................115
Dump Error Log (Option 4) .....................................................................116
Exit Interactive Mode (Option 5) ............................................ ... ... ...........116
Using Data on the PC .......................................................................................116
Real-Time Printout ............................................................................................117
Column Heading .....................................................................................118
Data Source ............................................................................118
Software Revision Level .............................. ... .... ... ... ... ...........118
Alarm Limits ............................................................................118
Monitor Status ........................ ... ... ... ... .... ... ..............................119
Column Headings ...................................................................119
Patient Data and Operating Status .........................................................119
Time ....................................... ................................................ . 119
Patient Data .............. ... ... .................................................... ... .120
Operating Status .......................................... ...........................120
Trend Data Printout (ASCII Mode) ....................................................................121
Trend Printout (Graph Mode) ............................................................................121
Nurse Call .........................................................................................................122
Analog Output ........ ... ................................................... .... ... ... ... .... ....................123
Technical Discussion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Oximetry Overview ...... ... ... .... ... ... ... .................................................... ... ... .... ....125
Functional versus Fractional Saturation ................................... ..............125
Measured versus Calculated Saturation ................................................126
SatSeconds Alarm Management ......................................................................126
Reads Through Motion ....................................................... ... ... .... ... ... ... ... .... ... .127
OXIMAX Technology ........................................................................................127
Block Diagram Theory ......................................................................................128
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
iv

Figures

Contents
Figure 1: N-595 Front Panel .........................................................................4
Figure 2: N-595 Rear Panel ..........................................................................4
Figure 3: SRC-MAX OXIMAX Oximetry Tester ..........................................26
Figure 4: Fuse Removal .............................................................................64
Figure 5: Corner Screws .............................................................................65
Figure 6: Separating Case Halves ..............................................................66
Figure 7: Removing the Battery ..................................................................67
Figure 8: Power Entry Module ....................................................................69
Figure 9: Power Supply ..............................................................................71
Figure 10: Cooling Fan .................................................................................73
Figure 11: Display PCB ................................................................................75
Figure 12: User Interface PCB .....................................................................77
Figure 13: Alarm Speaker .............................................................................79
Figure 14: Exploded View .............................................................................83
Figure 15: Packing ........................................................................................86
Figure 16: Data Port Pin Layout .................................................................114
Figure 17: Real-Time Printout ....................................................................117
Figure 18: Trend Data Printout (ASCII Mode) ............................................121
Figure 19: Monitor Trend Data Printout (Graph Mode) ...............................122
Figure 20: Sensor Event Record Printout (Graph Mode) ...........................122
Figure 21: Oxyhemoglobin Dissociation Curve ..........................................126
Figure 22: Block Diagram ...........................................................................128
Figure 23: Main PCB Schematic Diagram (Sheet 1 of 13) .........................131
Figure 24: Main PCB Schematic Diagram (Sheet 2 of 13) .........................133
Figure 25: Main PCB Schematic Diagram (Sheet 3 of 13) .........................135
Figure 26: Main PCB Schematic Diagram (Sheet 4 of 13) .........................137
Figure 27: Main PCB Schematic Diagram (Sheet 5 of 13) .........................139
Figure 28: Main PCB Schematic Diagram (Sheet 6 of 13) .........................141
Figure 29: Main PCB Schematic Diagram (Sheet 7 of 13) .........................143
Figure 30: Main PCB Schematic Diagram (Sheet 8 of 13) .........................145
Figure 31: Main PCB Schematic Diagram (Sheet 9 of 13) .........................147
Figure 32: Main PCB Schematic Diagram (Sheet 10 of 13) .......................149
Figure 33: Main PCB Schematic Diagram (Sheet 11 of 13) .......................151
Figure 34: Main PCB Schematic Diagram (Sheet 12 of 13) .......................153
Figure 35: Main PCB Schematic Diagram (Sheet 13 of 13) .......................155
Figure 36: Main PCB Assembly Drawing (Front View) ...............................157
Figure 37: Main PCB Assembly Drawing (Rear View) . ... ... .... ... ... ... ...........159
Figure 38: Linear Power Supply Schematic Diagram .................................161
Figure 39: Linear Power Supply Assembly Drawing ..................................163
N-595 v
Contents

Tables

Table 1: Equipment Needed ...................... ... ... ... .... ...................................11
Table 2: Neonate Alarm Limit Factory Defaults ............................ .............35
Table 3: Adult Alarm Factory Defaults ................ .... ... ... ... .... ... ... ... ... .... ... ...37
Table 4: Problem Categories ........................ ... ... .... ... ... ... .... ... ... ... ... .... ... ...52
Table 5: Power Problems ............. ... ... .... ... ................................................53
Table 6: Button Problems ....................................... ... ... .............................54
Table 7: Display/Alarms Problems ...................................... ... ... ... ... ..........55
Table 8: Operational Performance Problems ............................................56
Table 9: Data Port Problems ........... ... .... ... ... ... ... .... ... ................................57
Table 10: Error Codes .......... ... .... ... ... ... .... ... ... ... ... .... ...................................58
Table 11: Power Supply Lead Connections ................................................71
Table 12: Parts List ..................................................... ... ... ..........................82
Table 13: Electromagnetic Emissions ................................... ... ... ... ... .... ... ...95
Table 14: Electromagnetic Immunity . ... .... ... ... ... ... .... ... ... ... .... ... ... ... ... .... ......96
Table 15: Electromagnetic Immunity, Portable RF Equipment ....................98
Table 16: Recommended Separation Distances .........................................99
Table 17: Cables ...................................... ... ... ... ... .... ... ..............................100
Table 18: Data Port Pin Outs .. .... ... ... ... .... ... ... ... ... .... .................................113
Table 19: Operating Status Codes .... ... .... ... ..............................................120
Table 20: Nurse Call Relay Pin States ......................................................123
Table 21: Rating of Nurse Call Relay ........................................................123
vi

Introduction

Warnings

Warnings are identified by the WARNING symbol shown above.
Warnings alert the user to potential serious outcomes (death, injury, or adverse events) to the patient or user.
WARNING: The sensor extrapolates from the date and time provided by the N-595 when recording the sensor event record to the sensor. The accuracy of the date/time is the responsibility of the N-595. It is recommended that the N-595 user set the time/date to the correct value before a sensor event record-enabled sensor is connected, and that this date/time not be changed while the sensor remains connected. Since a sensor with sensor event record data can be transported from one monitor to another, having discrepancies in the date/time between monitors and the sensor event record data will affect the order the sensor event record data appears. To eliminate this possible problem, all monitors within an institution should be set to the same time.
WARNING: Explosion hazard. Do not use the N-595 pulse oximeter in the presence of flammable anesthetics.
WARNING: Do not spray, pour, or spill any liquid on the N-595, its accessories, connectors, switches, or openings in the chassis.
WARNING: Before attempting to open or disassemble the N-595, disconnect the power cord from the N-595.
WARNING: The LCD panel contains toxic chemicals. Do not ingest chemicals from a broken LCD panel.
N-595 1
Introduction

Cautions

WARNING: The use of accessories, OXI-MAX sensors, and cables other than those specified may result in increased emission and/or decreased immunity of the N-595 pulse oximeter.
WARNING: Do not silence the N-595 audible alarm or decrease its volume if patient safety could be compromised.
Cautions are identified by the CAUTION symbol shown above.
Cautions alert the user to exercise care necessary for the safe and effective use of the N-595 pulse oximeter.

Manual Overview

Caution: Observe ESD (electrostatic discharge) precautions when working within the unit.
Caution: Observe ESD (electrostatic discharge) precautions when disassembling and reassembling the N-595 and when handling any of the components of the N-595.
Caution: When reassembling the N-595, tighten the screws that hold the cases together to a maximum of 10 inch-pounds. Over-tightening could strip out the screw holes in the top case, rendering it unusable.
Caution: When installing the Power Supply or the User Interface PCB, tighten the seven screws to a maximum of 4 inch-pounds. Over-tightening could strip out the screw holes in the bottom case, rendering it unusable.
This manual contains information for servicing the Nellcor model N-595 pulse oximeter. Only qualified service personnel should service this product. Before servicing the N-595, read the operator's manual carefully for a thorough understanding of safe operation of the N-595.
WARNING: Explosion hazard. Do not use the N-595 pulse oximeter in the presence of flammable anesthetics.
2
Description of N-595 Monitor
The N-595 Monitor is intended for the continuous non-invasive monitoring of functional oxygen saturation of arterial hemoglobin (SpO N-595 is intended for use with neonatal, pediatric, and adult patients during both no-motion and motion conditions and for patients who are well or poorly perfused, in hospitals, hospital-type facilities, intra-hospital transport, and home environments. For prescription use only.
Note: Hospital use typically covers such areas as general care floors, operating
rooms, special procedure areas, intensive and critical care areas, within the hospital plus hospital-type facilities. Hospital-type facilities include physician office based facilities, sleep labs, skilled nursing facilities, surgicenters, and sub-acute centers.
Intra-hospital transport includes transport of a patient within the hospital or hospital-type facility.
Home Care use is defined as managed/used by a lay person (parent or other similar non-critical caregiver) in the home environment.
Introduction
2) and pulse rate. The
Use with any particular patient requires the selection of an appropriate
O
XI-MAX oxygen sensor as described in the N-595 Operator's Manual.
Motion performance claims are applicable to models MAX-A, MAX-AL, MAX-P, MAX-N, and MAX-I Nellcor O
XIMAX
oximetry sensors.
TM
Through the use of the four softkeys, the operator can access trend information, select an alarm limit to be changed, choose the language to be used, adjust the internal time clock, and change communications protocol. The N-595 can operate on AC power or on an internal battery. The controls and indicators for the N-595 are illustrated and identified in Figure 1 and Figure 2.
N-595 3
Introduction

Front Panel

1. SpO2 Sensor Port 12. ADJUST DOWN Button
2. AC Power Indicator 13. Neonate Mode Indicator
3. ON/STANDBY Button 14. CONTRAST Button
4. Low Battery Indicator 15. Fast Response Mode Indicator
5. Wa veform Display 16. Softkeys
6. SatSeconds
7. %SpO
2 Display 18. Data In-Sensor Indicator
TM
Tim er
17. Menu Bar
8. Pulse Rate Display 19. Motion Indicator
9. Alarm Silence Display 20. Pulse Search Indicator
10. ALARM SILENCE Button 21. Speaker
11. ADJUST UP Button

Rear Panel

Figure 1: N-595 Front Panel
1. Equipotential Terminal (Ground) 4. Fuse Receptacle
2. AC Power Connector 5. Supply Voltage Selector Switch
3. Data Port Connector
Figure 2: N-595 Rear Panel
4

Softkey Menu

Introduction
The N-595 hierarchy is outlined below. The user chooses the type of trend data to view by selecting either Monitor trend or Sensor trend data in the Trend menu. Sensor sub-menu choices differ depending on what type of in-sensor data is stored in the sensor chip, such as, event or loop.
The menu structure includes BACK softkey options that allow the user to move back to the previous menu level without exiting the Trend menu entirely. Trend data must be compiled on entry/reentry to the T rends menu. When the softkeys are available, both BACK and EXIT options are available. The BACK softkey goes to the previous level and the EXIT softkey goes to the main menu. If only one space is available the BACK Softkey is included, this may require going back one or two levels to get to an EXIT softkey.
The BACK and EXIT softkeys are positioned on the right-most softkeys, respectively.
The below menu structure identifies:
• BOLDFACE TYPE — softkey title as displayed on the monitor
• Underlined Text
— description of the softkey menu item
• Italicized Text — the destination of the BACK and EXIT softkeys
(Main Menu)
LIMITS (Limits Menu)
- SELECT
-NEO
- ADULT
EXIT (to Main menu
TREND (Trend Menu
-MON (Monitor Menu)
--VIEW (Monitor Trend View Menu)
---DUAL
---SPO2
---PULSE
---NEXT (History/Amplitude Menu)
----HIST (Delete/Print2 Menu)
-----DELETE (delete Trends)
------“DELETE TRENDS”
-------YES (return to Main menu)
-------NO (back to Delete/Print menu)
-----PRINT
-----BACT (back to Hist/Amp menu)
-----EXIT (to Main menu)
----AMP (Amplitude Menu)
-----BACK (back to Hist/Amp menu)
-----EXIT (to Main menu)
----BACK (back to Monitor Trend View menu)
----EXIT (to Main menu)
)
)
N-595 5
Introduction
--ZOOM (Monitor Trend Zoom Menu)
---TIME (for current view , cycle throu gh 48h, 36h, 12h, 8h, 4h, 2 h, 1h,
30m, 15m, 40s, 20s)
---SCALE (for current view, cycle through ±5, ±10, ±15, ±20, ±25,
±30, ±35, ±40 and ±50 of the max and min. values under the cursor, default to 10 to 100 if there is no data point under the cursor)
---AUTO (based on all of the graphed trend data: maximum value,
rounded up to nearest multiple of 10, minimum value, rounded down to nearest multiple of 10 minus 10)
- - - BACK (back to Monitor menu)
--NEXT (Delete/Print1 Menu)
---DELETE
----“DELETE TRENDS?”
-----YES (to Main menu)
-----NO (back to Delete/Print1 menu)
---PRINT
- - - BACK (back to Monitor menu)
---EXIT (to Main menu)
- - BACK (back to Trend menu)
- SENSOR (Sensor/Event Menu)
(if Event data is in the sensor, the following menu, the Screen will remain in
the appropriate state until the next menu selection is made)
- - GRAPH (Graph Menu)
order; up/down also scroll through events in order)
---< (show previous graph, only available when there is a previous
graph)
---> (show next graph, only available when there is a next graph)
---PRINT
---BACK (back to Sensor menu)
--TABLE (Table Menu)
---^ (show previous table, only available when there is a previous
graph; bottom/top line repeats in new table)
---v (show next table, only available when there is a next graph;
bottom/top line repeats in new table)
---PRINT
- - - BACK (back to Sensor menu)
---EXIT (to Main menu)
(Sensor/Loop Menu)
will be displayed)
--VIEW (Sensor Trend View Menu)
---DUAL (shows SPO2+BPM)
---SPO2
---PULSE
--ZOOM (cycle through 2h. 1h, 30m, and 15m for current view)
- - PRINT
- - BACK (to Trend menu)
- EXIT (to Main menu) SETUP (Setup Monitor Menu)
-VIEW (Setup View Menu)
- - PLETH
--BLIP
- - BACK (back to Setup menu)
- - EXIT (to Main menu)
- SENSOR (Setup Sensor Menu)
(display events #1-N, in inverse chronological
(If continuous-Loop data is in the sensor, the following
6
Introduction
--DATA (On-screen options for SENSOR-R (Write-once Sensor) sensor
are: “SPO2, SPO2+BPM, DEFAULT.” On-screen options for SENSOR-RW (rewritable sensor) are: “SPO2, SPO2+BPM, DEFAUL T.” SELECT toggles SENSOR-R or SENSOR-RW sensor type; up/down keys scroll through options in order.) The SENSOR-R feature supports all of the current O
XIMAX
sensors.
- - - SELECT
- - - BACK (back to Setup Sensor menu)
---EXIT (to Main menu)
--MSG (Sensor Set Message Menu)
- - - BACK (back to Setup Sensor menu)
---EXIT (to Main menu)
- NEXT (Clock/Language Menu)
--CLOCK (Clock Menu)
---SET (Clock Set Menu)
----SELECT (press select to toggle through hours, minutes,
seconds, month, day, year; use up/down buttons to set each selection)
----BACK (back to Clock/Language menu)
----EXIT (to Main menu)
--LANG (Language Setup Menu)
(use up/down buttons to toggle though
languages)
- - - BACK (back to Clock/Language menu)
--NEXT (Communication/Nurse Call Menu)
---COMM (Communication Port Configuration Menu)
----SELECT
----BACK (back to Communication/Language menu)
----EXIT (to Main menu)
---NCALL (Nurse Call Menu)
----NORM +
----NORM -
----BACK (back to Communication/Nurse Call menu)
----EXIT (to Main menu)
---NEXT (Analog/Mode Menu)
----ANALOG (Analog Voltage Select Menu)
-----0 VOLT
-----1 VOLT
-----STEP
-----BACK (back to Analog/Mode menu)
----MODE (Mode Menu)
-----BACK (back to Analog/Mode menu)
-----EXIT (to Main menu)
----BACK (back to Communication/Nurse Call menu)
----EXIT (to Main menu)
---BACK (back to Clock/Language menu)
- - BACK (back to Setup menu)
- EXIT (to Main menu) LIGHT (Turns the display backlight on or off)
N-595 7
Introduction

Related Documents

To perform test and troubleshooting procedures and to understand the principles of operation and circuit analysis sections of this manual, you must know how to operate the monitor. Refer to the N-595 operator's manual. To understand the various Nellcor approved O individual O
The latest version of the operator’s manual and the service manual are posted on the Internet at:
Spare Parts and Accessories are posted on the Internet at:
http://www.mallinckrodt.com/respiratory/resp/Serv_Supp/Apartweb/main/PartAcceMenu.html
XI-MAX sensors that work with the monitor , refer to the
XI-MAX sensor's directions for use.
http://www.mallinckrodt.com/respiratory/resp/Serv_Supp/ProductManuals.html
8

Routine Maintenance

Cleaning

WARNING: Do not spray, pour, or spill any liquid on the N-595, its accessories, connectors, switches, or openings in the chassis.
For surface-cleaning and disinfecting follow your institution's procedures or:
•The N-595 may be surface-cleaned by using a soft cloth dampened with
either a commercial, nonabrasive cleaner or a solution of 70% alcohol in water, and lightly wiping the surfaces of the monitor.
•The N-595 may be disinfected using a soft cloth saturated with a 10%
solution of chlorine bleach in tap water.
Before attempting to clean an SpO enclosed with the O specific to that sensor.

Periodic Safety Checks

The N-595 requires no calibration.
The battery should be replaced at least every 2 years. See Battery Replacement on page 67.
The following checks should be performed at least every 24 months by a qualified service technician.
1. Inspect the equipment for mechanical and functional damage.
2. Inspect safety labels for legibility . If the labels are damaged, contact Nellcor’s
Technical Services Department, 1.800.635.5267, or your local Nellcor representative.
2 OXI-MAX sensor, read the directions for use
XI-MAX sensor. Each sensor model has cleaning instructions

Functional Checks

If the monitor has been visibly damaged or subjected to mechanical shock (for example, if dropped), immediately perform the performance tests. See Performance Tests on page 11.
N-595 9
Routine Maintenance

Battery

The following checks should be performed at least every 2 years by a qualified service technician.
1. Perform the electrical safety tests detailed in Safety Tests on page 33. If the
unit fails these electrical safety tests, refer to Troubleshooting on page 51.
2. Inspect the fuses for proper value and rating (F1 & F2 = 0.5 amp, 250 volts).
Nellcor recommends replacing the instrument's battery every 2 years. When the N-595 is going to be stored for 3 months or more, remove the battery prior to storage. To replace or remove the battery, refer to Disassembly Guide on page 63.
If the N-595 has been stored for more than 30 days, charge the battery as described in Battery Charge on page 12. A fully discharged battery requires 14 hours with the monitor turned off, or 18 hours if it is in use, to receive a full charge. The battery is being charged whenever the instrument is plugged into AC.
Note: If power stored in the battery is too low, the unit will not operate even
when plugged into AC. If this occurs, leave the unit plugged in to allow the battery to charge as described in Battery Charge on page 12. After approximately 10 minutes, the battery should have enough charge to allow the unit to operate on AC.
10

Performance Verification

Introduction

This section discusses the tests used to verify performance following repairs or during routine maintenance. All tests can be performed without removing the N-595 cover. All tests except the battery charge and battery performance tests must be performed as the last operation before the monitor is returned to the user.
If the N-595 fails to perform as specified in any test, repairs must be made to correct the problem before the monitor is returned to the user.

Equipment Needed

Table 1: Equipment Needed
Equipment Description
Digital Multimeter (DMM) Fluke Model 87 or equivalent
Durasensor
sensor
O
Safety Analyzer Must meet current AAMI ESI/1993 & IEC
Pulse oximetry cable DOC-10 Data interface cable EIA-232 cable (optional) Stopwatch Manual or electronic Nellcor model SRC-MAX Tester Provides testing for DigiCal compatible

Performance Tests

The battery charge procedure should be performed before monitor repairs whenever possible.
XIMAX
®
OXI-MAX oxygen
oxygen sensor
DS-100A
MAX-A
60601-1/1998 specifications
Monitors
Note: This section is written using Nellcor factory-set defaults. If your
institution has pre configured custom defaults, those values will be displayed. Factory defaults can be restored (see Reset Softkey on page 40).
N-595 11
Performance Verification

Battery Charge

Perform the following procedure to fully charge the battery.
1. Connect the monitor to an AC power source.
2. Verify that the monitor is off and that the AC Power/Battery Charging
3. Charge the battery for at least 14 hours with the monitor turned of f or 18 hours
Power-Up Performance
The power-up performance tests verify the following monitor functions:
indicator is lit.
with the monitor turned on.
Power-On Self-Test
• Power-On Self-Test on page 12
• Power-On Defaults and Alarm Range Limits on page 13
1. Connect the monitor to an AC power source.
2. Verify that the monitor is off and that the AC Power/Battery Charging
indicator is lit.
3. Do not connect any cables to the monitor.
4. Turn on the N-595 by pressing the ON/STANDBY button. Observe the
monitor front panel. The monitor must perform the following:
• Within 2 seconds all LEDs are illuminated, all pixels on the LCD display are illuminated, and the backlight comes on.
12
• The indicators remain lighted.
• The LCD display shows NELLCOR and the software version of the N-595.
Performance Verification
Note: The software “Version” displayed in the example below is X.X.X.X.The
actual software version will be displayed on your monitor.
•A 1-second beep sounds, indicating proper operation of the speaker, and all indicators turn off except the AC Power/Battery Charging indicator and the LCD screen.
•The N-595 begins normal operation.
PLETH VIEW:
BLIP (MAGNIFIED) VIEW
Power-On Defaults and Alarm Range Limits
Note: When observing or changing alarm limits, a time-out is in effect
(approximately 10 seconds). If no action is taken within the time-out, the monitor automatically returns to the monitoring display.
Note: The descriptions that follow are based on the assumption that Pleth view
is the view that has been selected.
N-595 13
Performance Verification
The steps for changing an alarm limit are the same if the view being used is Blip (Magnified) view .
Note: Power-on defaults will be the factory-set defaults or the defaults set by
your institution.
1. Turn on the N-595 by pressing the ON/STANDBY button.
LIMITS
2. Press the LIMITS softkey. Verify that the monitor emits a single beep and the pleth view is replaced with a display of the alarm limits. The upper alarm limit for %SpO
2 will indicate an alarm limit of “100” (or institutional default
setting) inside a box.
3. Press and hold the ADJUST DOWN button. Verify that the boxed number for
2 upper alarm limit reduces to a minimum of “86.”
%SpO
Note: A decimal point in the display indicates that the alarm limits have been
changed from factory default values.
14
SELECT
4. Press the SELECT softkey . Verify that the monitor emits a single beep and the box moves to the %SpO
2 lower alarm limit of “85” (or your institutional
default setting).
5. Press and hold the ADJUST DOWN button and verify that the %SpO
2 lower
alarm limit display reduces to a minimum of “20.”
Performance Verification
6. Press and hold the ADJUST UP button and verify that the %SpO2 lower alarm limit display cannot be raised past the upper alarm limit setting of “85.”
EXIT
LIMITS
SELECT
7. Press the EXIT softkey.
8. Press the LIMITS softkey
9. Press the SELECT softkey three times. Verify that the monitor emits a beep after each keystroke. The Pulse upper alarm limit should be “170” and should be boxed.
10. Press and hold the ADJUST DOWN button.
EXIT
LIMITS
11. Verify that the minimum displayed value is “41” for the BPM upper alarm limit.
12. Press the EXIT softkey.
13. Press the LIMITS softkey.
N-595 15
Performance Verification
SELECT
14. Press the SELECT softkey four times. Verify that the pulse rate lower alarm limit display indicates an alarm limit of “40” and is boxed.
15. Press and hold the ADJUST DOWN button. Verify that the boxed pulse rate lower alarm limit display reduces to a minimum of “30.”
16. Press and hold the ADJUST UP button and verify that the boxed pulse rate lower alarm limit display cannot be adjusted above the pulse rate upper alarm limit of “40.”
EXIT
LIMITS
SELECT
17. Press the EXIT softkey.
18. Press the LIMITS softkey.
19. Press the SELECT softkey two times. Verify that SatSeconds SAT-S alarm is selected.
20. Press the ADJUST UP button repeatedly and verify that the SatSeconds alarm display cycles from OFF through 10, 25, 50, 100, OFF.
16
21. Press the ON/STANDBY button to turn the monitor off.
22. Press the ON/STANDBY button to turn the monitor back on.
Performance Verification
LIMITS
23. Press the LIMITS softkey. Verify that the %SpO2 upper alarm limit display is boxed and indicates an alarm limit of “100.”
24. Verify that the %SpO
2 lower alarm limit display is boxed and indicates an
alarm limit of “85.”
25. Verify that the SatSeconds SAT-S alarm is set to OFF.
26. Verify that the pulse rate upper alarm limit display is boxed and indicates an alarm limit of “170.”
27. Verify that the pulse rate lower alarm limit display is boxed and indicates an alarm limit of “40.”
28. Press the ON/STANDBY button to turn the monitor off.

Operational Setup

Operational setup procedures verify and set up the following parameters.
• Alarms and Alarm Silence on page 18
• Alarm Volume Control on page 20
• Pulse Tone Volume Control on page 20
• Nurse Call on page 21
• Analog Output on page 22
• Operation on Battery Power on page 23
N-595 17
Performance Verification
Alarms and Alarm Silence
1. Connect the DOC-10 monitor cable to the monitor sensor port.
1. Sensor Port
SETUP
VIEW
PLETH
LIMITS
SELECT
2. Connect the DS-100 O
XI-MAX sensor to the DOC-10 cable and your finger.
3. Press the ON/STANDBY button to turn the monitor on.
4. Press the SETUP softkey.
5. Press the VIEW softkey.
6. Press the PLETH softkey. Verify that the %SpO
2 and pulse rate.
SpO
2 and BPM indicate your
7. Press the LIMITS softkey.
8. Press the SELECT softkey to select SpO
9. Press the ADJUST UP button until the SpO
2 lower alarm limit.
2 lower alarm limit indicates 99.
18
SELECT
10. Press the SELECT softkey three times to select pulse rate lower alarm limit.
11. Press the ADJUST UP button until the pulse rate lower alarm limit indicates
160.
12. Verify the following monitor reactions:
Performance Verification
• The plethysmograph waveform tracks your pulse rate.
• The pulse tone is heard.
•Your SpO
2 and pulse rate are flashing in the %SpO2 and BPM displays.
• The audible alarm sounds, indicating that both parameters have violated
the alarm limits.
13. Press and hold the ALARM SILENCE button until the BPM display indicates “SEC.” Continue to press the ALARM SILENCE button and press the ADJUST DOWN button until “60” is displayed in the %SpO
2 display.
14. Press the ALARM SILENCE button.
15. With the monitor’s alarm silenced, verify the following:
• The alarm remains silenced for 60 seconds.
• The ALARM SILENCE indicator lights.
• The %SpO
2 and BPM displays continue to flash.
• The pulse tone is still audible.
• The audible alarm returns in approximately 60 seconds.
16. Press and hold the ALARM SILENCE button until the BPM display indicates “SEC.” Continue to press the ALARM SILENCE button and press the ADJUST DOWN button until “30” is displayed in the %SpO
2 display.
17. Press the ADJUST UP button and verify that the displays indicate 60 SEC, 90 SEC, 120 SEC, and OFF. Release the ADJUST UP button when the display indicates “OFF.”
18. Press and release the ALARM SILENCE button. Verify that the monitor’s ALARM SILENCE indicator flashes.
19. Wait approximately 3 minutes. Verify that the monitor’s alarm does not return. After 3 minutes, the monitor’s alarm silence reminder beeps three times, and will continue to do so at approximately 3-minute intervals.
N-595 19
Performance Verification
Alarm Volume Control
After completing Alarms and Alarm Silence on page 18, perform the following procedure.
1. Press and hold the ALARM SILENCE button and verify the following:
2. While still pressing the ALARM SILENCE button, press the ADJUST
• “OFF” is displayed for approximately 3 seconds.
• After 3 seconds, a steady tone is heard at the default alarm volume setting,
the %SpO
2 display indicates “VOL,” and the BPM display indicates the
default setting of 7.
DOWN button until an alarm volume setting of 1 is displayed. Verify that the volume of the alarm has decreased but is still audible.
3. Continue pressing the ALARM SILENCE button and press the ADJUST UP button to increase the alarm volume setting to a maximum value of 10. Verify that the volume increases.
4. Continue pressing the ALARM SILENCE button and press the ADJUST DOWN button until a comfortable audio level is attained.
5. Release the ALARM SILENCE button. The tone will stop.
Pulse Tone Volume Control
After completing Alarm Volume Control on page 20, perform the following procedure.
1. Press the ADJUST UP button and verify that sound level of the beeping pulse tone volume increases.
20
2. Press the ADJUST DOWN button and verify that the sound level of the beeping pulse tone volume decreases until it is no longer audible.
3. Press the ADJUST UP button to return the beep volume to a comfortable level.
Nurse Call
Performance Verification
4. Remove the OXI-MAX sensor from your finger. Disconnect the DOC-10 monitor cable and the O
XI-MAX sensor.
1. Data Port Connector
1. Connect the negative lead of a voltmeter to pin 5 and positive lead to pin 11 of the data port connector (1) on the back of the monitor. Ensure that the audible alarm is not silenced or turned off.
2. Connect the SRC-MAX tester to the DOC-10 sensor cable.
3. Connect the DOC-10 sensor cable to the monitor SpO
2 connector.
4. Turn on the monitor and wait for the monitor to complete POST.
Note: The monitor should indicate a %SpO
2 alarm of 75.
5. Verify an output voltage at pin s 5 and 11 between +5 to +12 VDC.
6. Press the ALARM SILENCE button. With no active audible alarm, the output voltage at pins 5 and 11 must be between -5 to -12 VDC. This verifies the RS-232 Nurse Call function.
7. With the instrument in an alarm condition, use a digital voltmeter (DVM) to verify that there is no continuity (1 megohms or greater) between pins 8 and 15 and that there is continuity (60 ohms or less) between pins 7 and 15.
8. Press the SRC-MAX tester %SpO
N-595 21
2 button to change the %SpO2 to 90.
Performance Verification
G
Analog Output
9. Use a DVM to verify that there is continuity between pins 8 and 15 and that there is no continuity between pins 7 and 15. This verifies the solid state Nurse Call function.
1 Data Port Connector
SETUP
NEXT
NEXT
NEXT
ANALO
1 VOLT
1. Connect the negative lead of a voltmeter to pin 10 and the positive to lead pin 6 of the data port connector (1) on the back of the monitor.
2. Press the SETUP softkey.
3. Press the NEXT softkey.
4. Press the NEXT softkey.
5. Press the NEXT softkey.
6. Press the ANALOG softkey.
7. Press the 1 VOLT softke y.
8. Verify that the monitor’s output voltage is +1.0 ± 0.025 VDC. This verifies the analog SpO
2 function.
9. Leave the negative lead connected to pin 10 and verify 1.0 ± 0.025 VDC on pins 13 and 14. This verifies the monitor’s BPM and Pleth function.
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