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baxter ARENA User Manual

baxter ARENA
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157-1278-904 April 2004
ARENA Hemodialysis Instrument
Service Manual
157-1278-905 Rev A
April 2004

Table of Contents

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baxter ARENA Specifications

General IconGeneral
CategoryMedical Equipment
Power Requirements100-240 VAC, 50/60 Hz
ManufacturerBaxter
CapacityVaries depending on configuration
ConnectivityEthernet
DimensionsVaries depending on configuration
WeightVaries depending on configuration

Summary

Introduction

General Information

Overview of the Arena Hemodialysis Instrument and its functions.

Instrument Description

Detailed description of the instrument's components and capabilities.

Configurations and Options

Outlines the different instrument configurations and available optional features.

General Warnings and Cautions

Essential safety warnings, cautions, and definitions for instrument operation.

Related Publications

Lists other relevant documents and resources for the instrument.

Tools and Test Equipment

Lists the necessary tools and equipment for instrument service.

Testing After Parts Replacement

Details the procedures for verifying system functionality after part replacement.

Manual Revisions

Information on how manual updates are distributed and tracked.

Questions and Feedback

Contact information for technical assistance and submitting feedback.

Instrument Modes

Preparation for Treatment

Describes the modes the Instrument goes through from power on to the start of treatment.

During Treatment

Details the Prime, Dialyze, and Alarm modes during patient treatment.

Following Treatment

Explains modes like Heat Disinfection, Cool Down, Chemical, and Shut Down.

Service Modes

Covers Calibration Mode and Technician Mode for service personnel.

Hydraulic Theory

Overview

Explains the instrument's function in heating, mixing, and infusing dialysate.

Dialysate Circuit

Details components and flow within the dialysate circuit.

Other Components

Covers additional components like the rinse valve and citric acid valve manifold.

Electronics

Electronic System Architecture

Describes the overall electronic system architecture and board identifiers.

Power System

Details power requirements, input power distribution, and components.

Card Cage

Explains the card cage housing and the different printed circuit boards.

Temperature Control

Overview

Explains how the instrument controls dialysate temperature using a redundant system.

Temperature Control and Back Up Temperature Alarm

Describes the system managed by UF-Proportioning boards for dialysate temperature control.

Temperature Monitoring and Primary Temperature Alarm

Details how temperature is monitored and primary alarms are generated.

Automatic Safety Tests

Covers safety tests performed during self-test for temperature control.

Internal Cabinet Temperature Control

Explains the system for keeping internal cabinet temperature for optimal component operation.

Dialysate Preparation

Dialysate Proportioning

Describes the proportioning ratios for acetate and bicarbonate concentrates.

Sodium and Bicarbonate Profiling

Explains how operators set sodium and bicarbonate levels for the entire treatment.

Volumetric Proportioning System

Details the system of fixed volume pumps and metering devices for dialysate.

Dialysate Proportioning Control

Explains how the UF-Proportioning system controls ratios and flow rates.

Dialysate Flow Control

Describes the deaeration, dialysate, and supply pumps in the flow path.

Ultrafiltration

Overview

Explains how the instrument controls fluid removal using a flow equalizer.

UF Removal

Details control of UF removal rate and accumulated UF volume.

Description

Describes the primary hydraulic components: Flow Equalizer and UF flow meter.

Control Steps

Outlines the operator steps for controlling fluid removal during treatment.

Profiling

Explains the UF Profiling option for setting UF rates throughout treatment.

Disinfection and Cleaning

Special Terminology

Defines important terms related to disinfection and cleaning.

Disinfection Overview

Presents alternative ways to disinfect the fluid path and recommended methods.

Heat Disinfection

Details heat clean procedures, cool down, and auto-off options.

Chemical Disinfection

Covers single pass and dwell chemicals, their uses, and precautions.

Disinfect Infusion Monitor

Describes the monitor for verifying disinfectant infusion and alerting the operator.

Blood Pump Control System

Overview

Explains the peristaltic pump's role in moving extracorporeal blood and its control system.

Primary and Secondary Blood Pumps

Details the mechanical and electrical components of the blood pump assembly.

BP Doors and Switches

Covers the blood pump doors, magnets, and reed switches for safety.

Rotor Assembly

Explains the seven major parts of the blood pump rotor assembly.

BP Control and Power

Describes the Blood Pump Controller and Power Board functions and block diagram.

Heparin Delivery

Overview

Explains the purpose of heparin and the instrument's automatic infusion capability.

Physical Description

Details the electromechanical syringe pump elements and their functions.

Functional Description

Explains the heparin pump's states, motor control, monitoring, and bolus infusion.

Troubleshooting

Covers common troubleshooting issues like overspeed, arm failure, and overpressure alarms.

Pressure Monitoring

Extracorporeal Circuit

Describes the configurations and hardware for monitoring extracorporeal circuit pressures.

Transmembrane Pressure

Explains the calculation and monitoring of Transmembrane Pressure (TMP).

NIBP Option

Details the Noninvasive Blood Pressure Monitor option and its troubleshooting.

Blood/Saline & Air Detectors

Blood/Saline Detector

Explains the optical sensor's function in detecting blood and saline.

Air Detector

Describes the ultrasonic sensor's function in detecting air bubbles.

Blood Leak Detector

Overview

Explains the optical device used to detect internal blood leaks into the fluid path.

Physical Description

Details the assembly, harness, LED, photocell, and housing of the BLD.

Functional Description

Explains how the BLD monitors the photocell signal and triggers alarms.

Post Blood Leak Detector Flow Restrictor

Describes the flow restrictor located after the BLD and its importance.

Troubleshooting

Covers troubleshooting false BLD alarms and UF System 2 errors.

Patient Data Card System

General

Explains the system for initializing instrument settings with patient data.

PDC Programmer

Details the desktop instrument used to program Patient Data Cards.

Patient Data Card (PDC)

Describes the PDC as a protected memory device for patient treatment data.

PDC Reader

Explains the device that reads and verifies patient information from the PDC.

PDC System Troubleshooting

Provides a table of common PDC errors, probable causes, and possible solutions.

Preventive Maintenance

Overview

Describes routine maintenance required for proper instrument care.

Recommended Maintenance

Details routine, annual, and as-required maintenance tasks.

Cleaning Procedures

Provides procedures for cleaning specific components like the blood leak detector and fan filter.

O-ring Replacement

Explains the overview and procedure for replacing O-rings in connectors.

Particle Filter Replacement

Details the overview and procedure for replacing particle filters.

Flow Equalizer Diaphragm Replacement

Describes the replacement of flow equalizer diaphragms during annual maintenance.

UF Flow Meter Diaphragm Replacement

Outlines the replacement of the UF flow meter diaphragm during annual maintenance.

A/V Pressure Transducer Assessment and Disinfection Procedure

Details the procedure for assessing and disinfecting A/V pressure transducer components.

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