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Nellcor OxiMax N 5500 User Manual

Nellcor OxiMax N 5500
101 pages
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Service Manual
Patient Monitor

Table of Contents

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Nellcor OxiMax N 5500 Specifications

General IconGeneral
Product NameNellcor OxiMax N 5500
CategoryMedical Equipment
TypePulse Oximeter
BrandNellcor
ModelN 5500
TechnologyOxiMax
Display TypeLCD
Measurement ParametersSpO2, Pulse Rate
Trend TimeUp to 72 hours
SpO2 Range0% to 100%
Accuracy±2% (70-100% SpO2)
Pulse Rate Range30 to 250 bpm
Perfusion Index Range0.02 to 20%
Power SourceBattery
Battery TypeRechargeable Lithium Ion
CompatibilityNellcor sensors
AlarmsVisual and audible alarms
Intended UseContinuous monitoring of SpO2 and Pulse Rate in hospital and clinical settings

Summary

Section 1: Introduction

1.1 Manual Overview

Provides overview of the service manual for N5500 patient monitor.

1.2 Related Documents

Lists other documents relevant to N5500 operation and testing.

1.3 Description of the N5500 Patient Monitor

Details the purpose and function of the N5500 patient monitor.

Section 2: Routine Maintenance

2.1 Cleaning

Instructions for cleaning the exterior surfaces of the N5500 monitor.

2.2 Periodic Safety and Functional Checks

Procedures for inspecting labels and verifying unit performance.

2.3 Functional Checks

Checks for monitor damage, fuse rating, and electrical safety tests.

2.4 Batteries

Guidance on battery charging, replacement, and storage for the N5500.

2.5 Environmental Protection

Follows local ordinances for disposal or recycling of device components.

Section 3: Performance Verification

3.1 Introduction

Discusses tests to verify performance after repairs or during routine maintenance.

3.2 Equipment Needed

Lists required equipment for performance verification tests.

3.3 Performance Tests

Covers battery tests, self-tests, general operation, and parameter specific tests.

3.4 Safety Tests

Ensures electrical safety compliance with IEC standards, including earth continuity and leakage.

Section 4: Service menu and Factory Default Settings

4.1 Introduction

Discusses Service menu for configuration, factory defaults, and Demo mode.

4.2 Service Menu

Allows authorized users to configure power-on defaults for various monitor settings.

4.3 Demo Mode

Demonstrates the N5500 monitor's functionality through a visual presentation.

4.4 Factory Default Settings

Details default parameters for Adult, Pediatric, and Neonatal patient modes.

Section 5: Troubleshooting

5.1 Introduction

Explains how to troubleshoot the N5500 if problems arise.

5.2 How to Use This Section

Guides users to use this section with Performance Verification and Spare Parts sections.

5.3 Who Should Perform Repairs

Specifies that only qualified service personnel should perform repairs.

5.4 Replacement Level Supported

Defines replacement levels as PCB assembly and major subassembly.

5.5 Troubleshooting Guide

Lists common problems by category and provides recommended actions for resolution.

Section 6: Disassembly Guide

6.1 General

Describes disassembly procedures, tools, and component breakdown.

6.2 Replacement Level Supported

Defines supported replacement levels as PCB assembly and major subassembly.

6.3 Prior to Disassembly

Steps to take before disassembling the monitor, including powering off.

6.4 Fuse Replacement

Instructions for replacing AC inlet and battery/DC fuses.

6.5 Battery Disassembly

Steps to remove the battery from the N5500 without disassembling the main case.

6.6 Monitor Disassembly

Procedure to separate the front and rear case assemblies of the monitor.

6.7 Front Case Disassembly Procedures

Detailed steps for disassembling components within the front case assembly.

6.8 Rear Case Disassembly Procedures

Detailed steps for disassembling components within the rear case assembly.

6.9 Optional Printer Assembly/Disassembly Procedures

Describes steps for removing or installing an optional printer.

Section 7: Spare Parts

7.1 Introduction

Introduces spare parts information and their availability.

7.2 Obtaining Replacement Parts

Provides contact information for obtaining technical assistance and replacement parts.

7.3 Parts List

Lists available spare parts with their part numbers and descriptions.

Section 8: Packing For Shipment

8.1 General Instructions

General guidelines for shipping the monitor to prevent damage or loss.

8.2 Returning the N5500

Contacting Nellcor for shipping instructions and Returned Goods Authorization (RGA).

8.3 Repacking In Original Carton

Instructions for repacking the monitor using its original carton and materials.

8.4 Repacking In a Different Carton

Procedure for packing the N5500 in a carton other than the original.

Section 9: Specification

9.1 Display

Details specifications for the N5500's screen size, resolution, and number of traces.

9.2 Controls

Describes the standard controls, including knob and soft switches.

9.3 Alarms

Defines alarm categories, priorities, notification methods, and settings.

9.4 Physical Characteristics and Printer

Covers instrument dimensions, weight, and optional printer specifications.

9.5 Electrical

Specifies power requirements, fuses, and battery characteristics.

9.6 Environmental Conditions

Outlines operational and storage temperature, humidity, and altitude ranges.

9.7 Measuring Parameters

Details measurement ranges, accuracy, and settings for ECG, Respiration, NIBP, SpO2, and Temperature.

9.8 Trends

Describes graphical and tabular trend display types and storage.

9.9 Compliances

Lists standards and regulations the N5500 complies with.

Section 10: System Processing Description

10.1 System Overview

Describes the N5500's multi-function capabilities and analytical functions.

10.2 System Block Diagram

Illustrates the interconnected units and data flow within the N5500 system.

10.3 ECG Processing

Explains how the N5500 processes ECG signals and detects lead-off/pacemaker signals.

10.4 NIBP Processing

Details the oscillometric technique for measuring non-invasive blood pressure.

10.5 SpO2 Processing

Explains pulse oximetry principles and how SpO2 is measured.

10.6 Respiration Processing

Describes respiration monitoring using thoracic impedance variations.

10.7 Temperature Processing

Explains temperature measurement using thermistor probes.

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