The document in question provides detailed instructions and procedures for the maintenance, troubleshooting, and repair of a specific medical infusion pump model. It contains technical specifications, diagrams, component lists, and step-by-step guidance necessary for qualified technicians to ensure the device operates correctly and safely.
Access to this comprehensive resource is critical for biomedical engineers and technicians responsible for maintaining the integrity and functionality of these pumps within healthcare settings. Its utilization contributes to patient safety by enabling timely repairs and preventative maintenance, minimizing the risk of device malfunction and ensuring accurate medication delivery. Historically, the availability of such manuals has been essential for hospitals and clinics to maintain their medical equipment independently, contributing to cost-effectiveness and reduced downtime.
The subsequent sections will address common issues covered within this technical documentation, typical maintenance schedules, and best practices for utilizing the provided information to ensure optimal pump performance and longevity.
1. Troubleshooting procedures
Within the pages of the technical documentation, lies a structured approach to problem resolution. This systematic method represents a critical bridge between a malfunctioning device and its return to operational status. The following details the fundamental aspects of this approach within the context of the manual.
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Symptom-Based Diagnostics
The troubleshooting protocols commence with a thorough assessment of the device’s symptoms. These signs, which may range from error messages to erratic behavior, serve as initial clues in the diagnostic process. The manual carefully correlates specific symptoms with potential underlying causes, offering a targeted pathway towards resolution. For instance, an occlusion alarm may prompt investigation into tubing obstructions, while an inaccurate flow rate might indicate calibration issues. The precision of this diagnostic phase is essential for effective repair.
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Step-by-Step Fault Isolation
Following symptom identification, the document provides a series of sequential steps designed to isolate the source of the malfunction. These procedures typically involve component testing, circuit analysis, and software diagnostics. Each step is meticulously outlined, with clear instructions and illustrations, guiding the technician through the process of elimination. For example, a power failure might require voltage checks at various points within the power supply circuit, following a prescribed order of investigation.
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Component-Level Repair Guidance
Once the faulty component has been identified, the technical guide offers detailed instructions for its repair or replacement. This section includes information on part numbers, disassembly procedures, and reassembly techniques. Proper handling of delicate components and adherence to safety guidelines are emphasized. For instance, replacing the pump motor requires careful alignment to ensure smooth operation and prevent premature wear.
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Verification and Validation
The troubleshooting process culminates in a comprehensive verification and validation phase. This ensures that the repair has been successful and that the device is functioning within acceptable parameters. This involves performing calibration tests, running diagnostic routines, and monitoring device performance under simulated operational conditions. Only after successful completion of these tests can the infusion pump be returned to service with confidence.
The methodical approach provided by the service manuals section on fault correction, not only facilitates efficient and effective repairs but also ensures that these infusion pumps maintain their reliability, promoting patient well-being and minimizing potential risks associated with device malfunction.
2. Calibration instructions
Within the clinical landscape, the accuracy of an infusion pump dictates the precision of medication deliverya matter of life and consequence. The document dedicated to the Medfusion 4000 service provides calibration instructions, not merely as a procedural checklist, but as a linchpin holding the device’s reliability intact. These instructions detail the intricate steps required to align the pump’s internal mechanisms with traceable standards. A deviation from these protocols risks inaccuracies in infusion rates, leading to potentially catastrophic clinical outcomes. The documentation thus exists as a critical safeguard.
Consider the scenario of a neonatal intensive care unit, where minute doses of potent medications are administered to fragile infants. A miscalibrated pump, even by a fraction of a milliliter per hour, could lead to significant over- or under-dosing. The manual’s calibration instructions serve as the definitive guide, ensuring that these pumps deliver the precise amounts prescribed, shielding vulnerable patients from harm. Failure to adhere to these instructions undermines the fundamental principle of accurate drug delivery, potentially leading to therapeutic failure or adverse drug reactions. Regular calibration, as dictated by the manual, is not simply a maintenance task; it represents a crucial aspect of patient safety.
The existence of calibration instructions within the service document is an acknowledgement of the inherent need for periodic verification and adjustment in electro-mechanical devices. External factors, such as environmental changes, component wear, and routine handling can gradually affect the pump’s accuracy. The document bridges the gap between theoretical design and real-world application, providing a clear path for technicians to maintain the device’s intended precision. In essence, the calibration instructions are a vital component of the ongoing effort to ensure the device performs reliably, safeguarding its critical role in patient care.
3. Preventative maintenance
Deep within the sterile hallways of a major metropolitan hospital, a seasoned biomedical engineer, Maria, held a well-worn copy of the document. It was more than just a manual; it was the roadmap to the continued operation of a fleet of critical devices. For Maria, preventative maintenance wasn’t a chore, but a pledge to patient well-being, guided by the precise instructions within the service guide. Each pump, a conduit for life-sustaining medications, demanded meticulous care, a process intricately detailed within the pages she knew so well. The service document became her most trusted tool, a beacon of knowledge in a world where precision was paramount.
The document outlines the regular inspection of critical components, such as pump heads and sensor arrays. Maria recounted a time when a routine check, as outlined in the scheduled maintenance section, revealed a subtly degraded pump head. Barely perceptible, its decline would have gone unnoticed without adherence to the service document’s rigorous process. Left unattended, that pump would have delivered inconsistent flow rates, potentially jeopardizing a patient’s recovery. The manual detailed the procedure for swapping the failing pump head, calibrating the newly installed component, and verifying the overall system functionality. This act, guided by the manual, prevented a looming crisis.
Preventative maintenance, as prescribed by the service document, stands as the bulwark against unforeseen device failure. It transforms a reactive approach, waiting for malfunctions to occur, into a proactive strategy that minimizes risk and ensures reliable operation. The careful calibration, the regular inspection, the timely replacement of wear components each step meticulously outlined in the service document – contributes to the consistent, safe delivery of medication. This proactive stance, driven by comprehensive documentation, translates into a tangible benefit: patient safety. The document is not just a manual; it is a cornerstone of responsible healthcare.
4. Component identification
In a dimly lit repair bay of a regional hospital, senior technician Elias traced a circuit board with practiced ease. A Medfusion 4000 infusion pump lay disassembled before him, awaiting diagnosis. The root cause remained elusive, the symptoms ambiguous. Only the comprehensive service document, its pages dog-eared and annotated, stood as a reliable guide. Elias knew that effective troubleshooting hinged upon precise identification of each component, a task rendered infinitely easier by the document’s detailed schematics and parts lists. The service document transformed a labyrinthine electronic puzzle into a solvable problem, preventing potentially life-threatening delays.
The inability to swiftly identify a faulty component within the infusion pump chain can have dire consequences. A resistor, a capacitor, an integrated circuit each plays a specific role, and the failure of any can disrupt the pump’s function. The service document contains comprehensive schematics, providing not only locations but electrical characteristics and relationships to other components. Consider the crucial function of a pressure sensor within the pump. If a faulty sensor is misidentified or overlooked due to lack of detailed schematics, the occlusion alarm might fail to trigger, leading to dangerous over-infusion. In this instance, the service document acts as a failsafe, ensuring accurate detection and prompt rectification.
The service document’s detailed component identification is a cornerstone of effective maintenance and repair. Accurate identification informs proper ordering of replacement parts, avoids costly misdiagnoses, and ultimately contributes to the sustained reliability of these crucial medical devices. The technician can identify quickly, replace components with minimal down time which translates directly into uninterrupted patient care and better patient outcomes. Therefore, understanding the link between these schematics and the machine ensures the safety of patients, and ensures that the repair personell are working efficiently. Its a critical link in the chain of patient care.
5. Schematic diagrams
Within the folds of the documentation, nestled among the troubleshooting charts and parts lists, lie intricate depictions of the Medfusion 4000’s electronic architecture. These diagrams are not mere illustrations; they are blueprints, a visual language translating complex circuitry into understandable form, granting technicians insight into the pump’s inner workings.
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Signal Flow Tracing
These blueprints enable a technician to trace the path of an electrical signal from its origin to its destination. A disruption in this flow, indicated by a deviation from the schematic, pinpoints the source of a malfunction. Consider a scenario where the pump fails to recognize a full syringe. Using the diagram, the technician can trace the signal from the syringe sensor, identifying each component in the circuit and determining where the signal is lost or distorted. Without this map, the diagnosis becomes a tedious, time-consuming endeavor, risking delays in critical medication delivery.
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Voltage and Resistance Measurements
Each component within the circuits carries specific electrical values, operating within a defined range of voltage and resistance. The diagrams provide reference points for these measurements, allowing technicians to quickly verify the integrity of individual components. When diagnosing a low battery warning, the schematic enables the technician to locate key test points within the power supply circuit. Deviations from the expected readings indicate a failing component or a break in the electrical pathway. This targeted approach, guided by the schematic, streamlines the troubleshooting process, saving valuable time and resources.
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Component Interdependency Analysis
Each section contains electrical pieces that interconnect to carry out various functions. The blueprints offer insight into how various segments are related. For example, the diagram will illustrate the connection between the display module, the CPU, and its functions. When the display fails, the expert can evaluate both the module and the communication that connects it with the central processing unit to isolate and determine the root of the issue.
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Revision Tracking and Updates
Medical device technology advances, incorporating new components and design modifications. The documents track these revisions. Every schematic shows revision levels. This allows the maintenance person to evaluate and confirm that the document they’re using matches the exact pump that is in need of maintencance. Using the right version schematic is crucial to accurate care.
In the hands of a skilled technician, the schematic diagrams are not just lines on paper; they are a gateway to understanding and restoring the Medfusion 4000. These diagrams shorten down time and save lives.
6. Error code definitions
Within the complex machinery of a medical infusion pump, a silent language unfolds when things go awry: the language of error codes. These alphanumeric sequences, flashed on the pump’s display, are not arbitrary symbols, but precise indicators of internal states, diagnostic clues left by the device itself. This is where the document becomes essential. It serves as the decoder, translating cryptic messages into actionable intelligence, guiding technicians toward swift and effective resolution.
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The Code as a Symptom
Each error code is a symptom, a signal of an underlying problem. For instance, an “E12” code might indicate a motor stall, while an “E05” code could signify a communication failure between the CPU and the display. The service guide provides a categorized list of all possible error codes, along with their associated meanings. This allows a technician to quickly narrow the scope of the investigation. Consider a scenario where a pump consistently displays an “E27” code during startup. The manual explains this indicates a problem with the internal EEPROM. This connection, facilitated by the book, is the first step to a solution.
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Troubleshooting Pathways
Beyond mere definitions, the document provides systematic troubleshooting pathways for each error code. These pathways are step-by-step procedures, guiding the technician through a series of tests and checks designed to isolate the root cause of the error. The guide would detail that EEPROM errors sometimes mean the complete board has to be replaced and reprogrammed. Each pathway is crafted to streamline the repair process, minimizing downtime and ensuring the pump is returned to service as quickly as possible. This is crucial for ensuring that treatments are not affected.
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Component Identification and Replacement
The error code not only points to a specific malfunction but may also lead directly to the identification of a faulty component. The document’s exploded diagrams and parts lists, cross-referenced with the error code definitions, allow technicians to quickly locate and replace the affected part. It could point to issues with the power supply. With clear details of placement and construction, components can be replaced and tested after.
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Preventive Implications
Analyzing recurring error codes across a fleet of Medfusion 4000 pumps can reveal patterns indicative of broader maintenance needs or potential design flaws. This kind of data, gathered from service records informed by the document’s error code definitions, enables hospitals to proactively address issues before they escalate, extending the lifespan of their equipment and improving overall patient safety. It can be used to anticipate needs for new parts and anticipate machine failure.
The relationship between the error codes and the service document is symbiotic. Without the document’s explanations, the codes remain an indecipherable enigma. With the document, they become a tool for diagnosis, treatment, and proactive prevention. These two elements work in tandem, ensuring that the machines give life support, are well cared for.
7. Software updates
The electronic heart of the Medfusion 4000, the software, dictates its operational behavior. Over time, improvements are discovered, bugs are corrected, and new features are introduced, all packaged as software updates. The service document serves as the gatekeeper to these updates, providing detailed procedures for their installation and verification. Imagine a scenario where a critical vulnerability is discovered in the pump’s flow control algorithm. An update is released to address this issue, ensuring precise medication delivery. The service document contains the step-by-step instructions, compatible software versions, and validation procedures. Without this guide, the update becomes a dangerous gamble, potentially corrupting the pump’s functionality or rendering it inoperable. The correlation is clear: the service document empowers the safe and effective deployment of software enhancements, safeguarding the devices performance and patient well-being.
Consider the practical implications for a biomedical engineer tasked with updating a fleet of these pumps. The guide provides precise instructions on preparing the pumps for the update, initiating the transfer of the new software, and verifying its successful installation. Furthermore, the service document often includes rollback procedures, allowing the engineer to revert to a previous software version should unforeseen issues arise during the update process. These backup protocols are vital to maintaining the devices functionality. Also, the document often provides details about the changes implemented by the update, allowing technicians to anticipate new settings or changes in user interface.
The relationship between software updates and the service document is fundamentally about control and reliability. The document provides the validated methodology, safeguards from potential errors, and ensures the consistent deployment of improvements. Medical devices are complicated and can not be adjusted lightly, so ensuring the proper methods are used. Without this detailed manual, the infusion pumps performance can not be secured.
8. Parts replacement
The Medfusion 4000, a machine entrusted with life-sustaining infusions, inevitably encounters wear and tear. Internal components degrade, sensors drift out of calibration, and mechanical parts succumb to the stresses of constant operation. Effective upkeep depends on accurate parts replacement, a process inextricably linked to the associated documents. This technical document becomes the authoritative guide when the time comes to disassemble, replace, and reassemble a worn or failing element. Failure to adhere to these guidelines can invalidate warranties, introduce safety hazards, and ultimately compromise patient care. The service document is not optional; it is a critical tool for properly replacing parts.
Consider the implications of incorrectly replacing a worn pump head, a common maintenance task. Without consulting the documents, a technician might install an incompatible part, misalign the assembly, or fail to properly calibrate the flow rate. The end result could be either inaccurate dosing or complete pump failure during treatment. The service document provides the exact part numbers, step-by-step installation instructions, and calibration procedures. By meticulously following these guidelines, the technician ensures the repaired pump operates within its specified parameters, maintaining the accuracy and reliability essential for critical infusions. The instructions guarantee that repairs are done in the correct order and within a safety range.
The detailed protocols outlined in the document for parts replacement ultimately safeguard the patient. By providing technicians with clear and precise instructions, the service manual minimizes the risk of errors, ensures compatibility between components, and validates proper operation following repair. The service manual acts as a safety net, helping to maintain the vital functioning of infusion equipment. The link between component changes and that document goes beyond simple repair, as it also involves an adherence to life-saving accuracy and patient safety.
9. Safety protocols
The realm of medical device maintenance operates under the unwavering gaze of patient well-being. The document dedicated to the Medfusion 4000 service functions as a vital repository, providing the framework for technicians to navigate the inherent hazards of servicing such critical equipment. Safety, therefore, is not an addendum; it’s woven into the very fabric of every procedure outlined within its pages.
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Electrical Hazard Mitigation
The Medfusion 4000, a sophisticated electronic device, presents inherent electrical hazards during servicing. The document meticulously details lockout/tagout procedures, ensuring that power sources are disconnected before any work begins. It specifies the use of appropriate personal protective equipment (PPE), such as insulated gloves and safety glasses, to minimize the risk of electrical shock or arc flash. Failure to heed these precautions transforms a routine repair into a potential life-threatening event. These protocols are in place to save the lives of those doing repairs.
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Chemical Exposure Prevention
Servicing often involves the use of cleaning agents, lubricants, and adhesives, some of which may pose health risks through inhalation or skin contact. The Medfusion guide mandates the use of proper ventilation, personal protective equipment, and the safe disposal of chemicals. The manual outlines approved agents, while providing the materials safety data sheet or MSDS, to limit the exposure and keep all safe.
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Mechanical Injury Prevention
The Medfusion 4000 contains moving parts and intricate mechanical assemblies. The document stresses the importance of using correct tools and techniques to prevent injuries such as pinches, cuts, or crushing. It also emphasizes the need for proper securing of the device during disassembly and reassembly, preventing accidental falls or movement that could lead to harm. Securing parts during replacement is crucial for preventing future machine failures and also preventing injury.
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Infection Control Measures
Medical devices can harbor infectious agents. The Medfusion guide lays out strict disinfection procedures to prevent the spread of pathogens during service. It specifies approved cleaning agents and techniques, as well as protocols for handling potentially contaminated parts. Adherence to these measures protects both the technician and subsequent patients from healthcare-associated infections. This is a key concern, as many of the technicians do not realize they are exposing themselves to harmful bacteria.
These safety protocols detailed within the service documents transcend mere compliance; they represent a commitment to protecting the individuals entrusted with maintaining these life-sustaining devices. The document transforms abstract safety principles into concrete actions, guiding technicians through a safe and effective service process, and ultimately ensuring the continued well-being of patients reliant on these vital devices.
Frequently Asked Questions About the Medfusion 4000 Service Manual
The following addresses recurring inquiries regarding the proper utilization of the service manual, a vital resource in maintaining the operational integrity of these infusion pumps. These questions reflect concerns voiced by technicians and biomedical engineers responsible for device maintenance.
Question 1: When is it absolutely essential to consult the service document during the repair of a Medfusion 4000?
Consider a scenario where an experienced technician faces an unfamiliar error code, one not encountered during routine maintenance. Blindly proceeding without understanding the underlying issue risks further damage or improper repair. The service document, acting as an interpreter, provides the necessary context, linking the error code to specific components or procedures. Consulting the document becomes indispensable when faced with uncertainty or deviation from standard operating procedures.
Question 2: What level of technical expertise is expected for individuals utilizing these service guide protocols?
The service document assumes a foundation of technical knowledge, acquired through formal training or practical experience in biomedical equipment maintenance. The procedures outlined are intricate, requiring understanding of electronics, mechanics, and software. It is not intended for novice users or individuals lacking the necessary skills. Attempting repairs without proper expertise can lead to irreversible damage or compromise patient safety.
Question 3: Does adherence to the service schedule outlined in the document guarantee the prevention of all potential malfunctions?
While diligent adherence to the service schedule significantly reduces the risk of unexpected failures, it does not provide an absolute guarantee. Unforeseen circumstances, such as component defects or environmental factors, can still contribute to malfunctions. The schedule serves as a proactive measure, minimizing potential risks and ensuring the device operates within specified parameters, but it is not a substitute for vigilance and careful observation.
Question 4: How frequently should the service document itself be reviewed for updates or revisions?
Medical device technology evolves, incorporating design changes and software updates. The service document must keep pace with these advancements. Responsible technicians should establish a routine, quarterly or bi-annually, to check for revised versions or supplements issued by the manufacturer. Utilizing outdated documentation can lead to incorrect procedures and potentially compromise the device’s performance.
Question 5: What is the appropriate course of action when the service document provides conflicting or unclear information?
In the rare event of encountering ambiguous or contradictory instructions, the technician must exercise caution and refrain from proceeding until clarification is obtained. The recommended course of action involves contacting the manufacturer’s technical support or consulting with experienced colleagues familiar with the document and the device. Guesswork or improvisation is unacceptable, given the potential consequences of error.
Question 6: Does possessing the service guide absolve a technician from the responsibility of seeking further training or education?
The service document is a tool, not a substitute for continuous learning. Technicians must remain abreast of advancements in medical device technology, attending training courses, workshops, and industry conferences. The guide provides specific instructions for a particular device, but a broader understanding of underlying principles and best practices is essential for effective and responsible maintenance.
The document serves as a critical resource, its value dependent on the expertise and diligence of the individuals who wield it. These answers address just a few of the recurring questions, highlighting the need for careful attention and a commitment to professional responsibility.
The following section will delve into best practices in storing and accessing service guides.
Tips from the Medfusion 4000 Service Manual
The following recommendations, distilled from countless hours spent poring over technical specifications and troubleshooting charts, serve as a practical guide for technicians entrusted with the care of these essential devices. They are not mere suggestions; they are hard-won lessons, echoing with the quiet urgency of patient well-being.
Tip 1: Prioritize Calibration Verification After Every Repair. Calibration, a process detailed exhaustively in the documentation, is not simply a box to check after a parts replacement; it is the final arbiter of accuracy. Even seemingly minor repairs can subtly alter flow rates, leading to clinically significant deviations. The tale of a miscalibrated pump, delivering insufficient analgesia to a post-operative patient, serves as a stark reminder of the consequences of negligence.
Tip 2: Meticulously Document All Maintenance Activities. Each adjustment, each component replaced, each software update should be recorded with precision in a dedicated log. This detailed record becomes a valuable tool for identifying recurring issues, tracking component lifecycles, and providing insights for future troubleshooting. A seemingly insignificant detail, noted in the log, can unlock the solution to a complex malfunction.
Tip 3: Always Consult the Latest Revision of the Service Guide. Medical technology evolves, and service documentation evolves with it. Design changes, software updates, and revised troubleshooting procedures are often incorporated into updated versions of the document. Relying on outdated information risks employing incorrect techniques or overlooking critical safety precautions. The cautionary tale of a technician, using an obsolete procedure to replace a critical sensor, highlights the dangers of neglecting this simple step.
Tip 4: Validate Parts Numbers Before Ordering Replacements. A single transposed digit or a seemingly innocuous substitution can lead to significant compatibility issues and wasted resources. Meticulously cross-referencing part numbers against the documented specifications ensures that the correct components are acquired, minimizing downtime and avoiding costly errors. A hospital’s near depletion of a life-saving drug due to pump malfunction resulted from installing the wrong pump component, underscoring the importance of this validation step.
Tip 5: Emphasize Preventative Maintenance Over Reactive Repairs. The service schedule, a roadmap to proactive care, outlines a series of inspections, calibrations, and component replacements designed to prevent malfunctions before they occur. Adhering to this schedule extends the lifespan of the devices, minimizes downtime, and, most importantly, safeguards patient well-being. Neglecting routine maintenance, waiting for a catastrophic failure, is a gamble with potentially devastating consequences.
Tip 6: Never Underestimate the Value of a Clean Work Environment. The sensitive components within the Medfusion 4000 are vulnerable to contamination from dust, debris, and static electricity. Maintaining a clean, organized workspace reduces the risk of accidental damage and ensures the integrity of repairs. It also sets a professional tone, reflecting a commitment to precision and patient safety.
These tips, gleaned from the document and from hard-earned experience, serve as a foundation for responsible maintenance, ensuring the continued reliability and safety of these critical devices.
In conclusion, let’s address the future of maintaining this kind of machine.
A Legacy of Precision
The exploration of the Medfusion 4000 service manual reveals more than a technical document. It illuminates a commitment to accuracy, reliability, and patient safety. From troubleshooting procedures to calibration instructions, component identification to software updates, each section underscores the vital role this manual plays in maintaining the integrity of these infusion pumps. Stories abound of technicians relying on its detailed schematics to diagnose elusive malfunctions, or nurses depending on properly calibrated pumps to deliver life-saving medications, all testament to its enduring value.
Yet, as technology marches forward, the Medfusion 4000 and its corresponding service manual represent a bridge between past practices and future innovations. While newer infusion technologies emerge, the lessons learned from maintaining these legacy devices remain relevant. The emphasis on meticulous documentation, the commitment to continuous learning, and the unwavering focus on patient safety are principles that will endure, shaping the future of medical device maintenance and ensuring a continued legacy of precision in patient care. The spirit of the medfusion 4000 service manual must live on.
