Services · Anaesthesia & Patient Monitoring
Independent servicing for GE Healthcare anaesthesia and patient monitoring equipment.
Anaesthesia workstations and patient monitors are among the most safety-critical and technically complex devices in the operating theatre and ICU. OHM Healthcare provides independent third-party scheduled maintenance, calibration and repair services for selected GE Healthcare anaesthesia workstation and CARESCAPE patient monitoring platforms — delivered by trained engineers with documented competence and calibrated reference instruments for each tested parameter.
GE Carestation Platforms
GE CARESCAPE Monitors
Independent Third-Party Service
Return-to-Service Documentation
Clinical Context
Why theatre and ICU equipment demands specialist biomedical service — not general maintenance.
Anaesthesia workstations integrate gas delivery, ventilation, agent vaporisation and integrated patient monitoring into a single platform — with safety implications that span the entire perioperative episode. A workstation that passes a visual check and powers on correctly may still have subtle gas pathway leaks, vaporiser calibration drift, ventilation parameter errors or agent concentration inaccuracies that only become apparent under formal performance verification with calibrated reference instruments.
GE Healthcare Carestation and legacy Datex-Ohmeda platforms are widely deployed across Australian operating theatres and day-surgery suites. The installed base spans equipment at various stages of its service life — some units approaching or past OEM recommended replacement schedules — where independent service provides a practical, cost-effective pathway to continued safe and compliant operation.
OHM's anaesthesia and monitoring service program addresses the specific technical requirements of each platform: gas pathway integrity, vaporiser output accuracy, ventilator performance verification, integrated monitoring function, and electrical safety. Every service event produces written documentation supporting biomedical program compliance, NSQHS Standards requirements, and accreditation audit evidence.
Independent service is not a compromise. The clinical standard for a service event — measured parameters, documented results, pass/fail determination, return-to-service status — is the same whether performed by the OEM or a competent independent provider. What differs is commercial flexibility, scheduling responsiveness, and transparency of findings.
- Gas pathway integrity — leakage in the breathing circuit, fresh gas circuit or agent delivery pathway can produce undetected FGF or agent concentration errors with direct clinical consequences
- Vaporiser performance verification — agent concentration output is checked against a calibrated reference gas analyser at multiple dial settings; OHM verifies performance but does not calibrate or adjust vaporiser internals
- Ventilator parameter accuracy — delivered tidal volume, respiratory rate, I:E ratio and pressure limits all require measurement-based verification; display readings alone do not confirm delivery accuracy
- Alarm system function — anaesthesia and monitoring alarms must be verified to activate within specified thresholds for all configured parameters, including O₂ failsafe, apnoea, and gas supply alarms
- Electrical safety compliance — AS/NZS 3551 and IEC 60601-series requirements apply to every service event; earth continuity, insulation resistance and leakage current measurements are integral to OHM's scope, not an optional add-on
- Software version documentation — current software version and configuration state is documented at each service event; version-specific service notes and known issues are applied where applicable to the platform
Service Coverage
GE Healthcare platforms within OHM's service scope.
OHM services selected GE Healthcare anaesthesia workstation and patient monitoring platforms. Contact OHM with the model, serial number and software version of your unit to confirm whether it falls within current service scope. OHM does not accept service for platforms outside confirmed competence — this protects the facility and the integrity of the service event.
Anaesthesia Workstations
GE Carestation & Datex-Ohmeda Platforms
OHM services selected platforms within the GE Healthcare Carestation anaesthesia workstation family, including commonly deployed configurations across Australian operating theatres. OHM also services legacy Datex-Ohmeda platforms — including the Aespire series — that remain in active clinical use in facilities where OEM factory support has been reduced or discontinued. Contact OHM with your specific model and serial number to confirm coverage before shipping.
Anaesthesia workstation service includes:
- High- and low-pressure circuit leak test
- Vaporiser output measurement (calibrated agent analyser, multiple dial settings)
- Ventilator tidal volume, rate, I:E ratio and pressure verification
- O₂ monitor calibration and concentration measurement
- Safety interlock and alarm function test
- Electrical safety test to AS/NZS 3551
- Written return-to-service report with measured values
Independent 3rd-Party Service · Not GE-Authorised
Patient Monitoring
GE CARESCAPE Patient Monitoring Platforms
OHM services selected configurations within the GE Healthcare CARESCAPE patient monitoring platform family, including bedside monitors deployed in ICU, HDU and theatre settings across Australian hospitals. Service covers the integrated monitoring system: parameter measurement accuracy, alarm function, display performance, waveform acquisition and power management. Contact OHM with your model and serial number to confirm coverage for your specific unit and module configuration.
Patient monitor service includes:
- Alarm function test — all configured parameters and limit settings
- Parameter accuracy verification (SpO₂, NIBP, ECG, temperature, invasive pressure where fitted)
- CO₂ module function and calibration check (where fitted)
- Battery and power system test (capacity and charge circuit)
- Display and waveform rendering check
- Electrical safety test to AS/NZS 3551
- Written return-to-service report with measured values
Independent 3rd-Party Service · Not GE-Authorised
GE Healthcare, Carestation, Datex-Ohmeda, CARESCAPE and related product names are registered trademarks of GE Healthcare. OHM Healthcare is not an authorised service provider for GE Healthcare and is not affiliated with, endorsed by, or sponsored by GE Healthcare or General Electric Company. References to GE Healthcare product names on this page identify the equipment that OHM services — they do not imply any commercial relationship with GE Healthcare.
What Each Service Visit Covers
A structured scope aligned to manufacturer PM documentation.
OHM's scheduled service visits follow a structured scope aligned to published GE Healthcare preventive maintenance documentation. Every check is performed with calibrated test instruments; every measured value is recorded in the service report. The scope below represents a typical scheduled PM visit — actual scope is confirmed with the facility before service commences, and adjusted for the specific platform, model and configuration.
Anaesthesia Workstation
- Pre-service checkout and initial condition assessment
- High-pressure circuit leak test (supply hoses, yoke connections, regulators, flush valves)
- Low-pressure circuit leak test (fresh gas circuit, flowmeter manifold, vaporiser circuit)
- Flowmeter accuracy check (O₂, Air, N₂O where fitted)
- O₂ monitor calibration verification (cell condition and sensor response)
- Vaporiser output measurement at multiple dial settings using calibrated agent analyser
- Breathing circuit compliance and leak test
- Ventilator tidal volume, rate, I:E ratio and airway pressure verification
- PEEP valve and pressure relief function test
- Scavenging system check where fitted
- O₂ supply failsafe and alarm function test
- Apnoea and disconnect alarm function test
- Absorber canister, filter and disposable component inspection
- Electrical safety test — earth continuity, insulation resistance, leakage current
- Software version and configuration documented
- Return-to-service determination and written service report
Patient Monitor
- Visual and physical inspection (case integrity, display, connectors, cables, module seats)
- Power system test — mains operation, battery capacity, charge circuit function
- ECG waveform and lead test (all configured lead sets and electrode inputs)
- SpO₂ accuracy spot-check against calibrated patient simulator
- NIBP accuracy verification — systolic, diastolic and mean against reference
- Temperature module function test where fitted
- Invasive pressure module calibration check where fitted
- CO₂ module function and calibration verification where fitted
- BIS/EEG module function check where fitted
- Alarm function test — all active parameters, configured high/low limits and alarm priorities
- Display uniformity, brightness and pixel integrity check
- Network/nurse-call interface function check where applicable
- Electrical safety test — earth continuity, insulation resistance, leakage current
- Software version and configuration documented
- Return-to-service determination and written service report
Service reports document pre- and post-service measurements for each tested parameter — not checkbox pass/fail records. This provides traceable evidence of device performance at the time of service, formatted to support biomedical program maintenance databases and accreditation audit requirements including ACHS EQuIP and NSQHS Standards.
Service Competence
What qualified independent service on complex clinical platforms actually requires.
Competent independent service for GE Healthcare anaesthesia and monitoring platforms is not a matter of having a general biomedical technician available. It requires platform-specific training, calibrated reference instruments for each parameter type, access to manufacturer service documentation, and disciplined measurement-based documentation. These are the foundations of OHM's GE Healthcare service program.
Platform Training
Formal Platform-Specific Training
OHM engineers complete formal platform-specific training before accepting service work on GE Healthcare anaesthesia or monitoring equipment. Training covers system architecture, gas circuit design, service procedures, performance verification protocols, error codes and safety interlocks specific to each supported platform family. Training completion is documented and maintained as part of OHM's competence records.
Test Equipment
Calibrated Reference Instruments for Every Parameter
Anaesthesia and monitoring service demands a calibrated instrument for each measured parameter: spirometers for ventilator tidal volume and flow, calibrated gas analysers for O₂ and volatile agent concentration, precision pressure gauges, patient simulators for monitoring parameter verification, and electrical safety test equipment. OHM maintains a calibrated instrument inventory for each parameter type within its GE Healthcare service scope — instruments are within calibration currency at every service event.
Service Documentation
Manufacturer Specifications as the Acceptance Baseline
OHM performs GE Healthcare platform service to published manufacturer specifications and acceptance criteria. Where a specification defines a measurement value, OHM records the actual measured result in the service report — not a pass/fail checkbox. This provides traceable, auditable evidence of device performance that can withstand TGA post-market surveillance review, ACHS accreditation audit, and biomedical program management scrutiny.
Parts Supply
Authorised Supply Channels, Transparent Options
Where replacement parts are required, OHM sources from authorised channels wherever available. Before proceeding with any parts replacement, OHM confirms availability, cost and lead time with the facility. Alternative-source parts are discussed with the facility prior to use; parts lead times that would extend equipment downtime are flagged early so the facility can make informed decisions. All parts replaced are documented by manufacturer part number in the service report.
Engineering Staff
OHM's Own Biomedical Engineers
Service is performed by OHM's employed biomedical engineers — not contractors, temporary staff or generalist technicians. Each engineer working on GE Healthcare anaesthesia or monitoring platforms has completed the relevant platform training and maintains ongoing competence for their assigned service scope. OHM does not accept service for platforms where a trained engineer is currently unavailable — it is preferable to defer service than to proceed without the right competence.
Pre-Service Confirmation
Scope and Eligibility Confirmed Before Acceptance
OHM will assess any GE Healthcare anaesthesia workstation or patient monitoring unit presented for service — including equipment not previously serviced by OHM — and advise on service scope, current parts availability and estimated timeframe before accepting the work. If the unit falls outside OHM's current competence or if parts availability cannot support a complete service, OHM will advise accordingly. Facilities are never left with a partially serviced device that OHM could not complete.
Our Engineers at Work
Why OHM Healthcare
Independent. Measured. Documented.
Genuinely Independent
OHM is not tied to GE Healthcare pricing, scheduling or parts supply contracts. Independence means transparent service costs, realistic turnaround times and no commercial pressure to defer findings or recommend unnecessary work.
Audit-Ready Service Reports
Measured-value service records, not checkbox forms. Documentation formatted for biomedical program maintenance databases, ACHS EQuIP, NSQHS Standards and TGA post-market surveillance compliance.
Victoria & New South Wales
Service delivered from OHM's Tullamarine (VIC) and Ingleburn (NSW) facilities. Logistics — including equipment collection, loan arrangements and priority turnaround — can be structured to minimise equipment downtime.
Findings Reported Honestly
OHM reports what the measurements show — including faults, out-of-spec results and component failures. If a unit cannot safely be returned to service, OHM will say so clearly in the report, not defer the finding to the next PM cycle.
Frequently Asked Questions
Common questions about OHM's GE Healthcare service program.
- Is OHM an authorised GE Healthcare service provider?
No. OHM Healthcare is an independent third-party biomedical service provider. OHM engineers are trained on selected GE Healthcare platforms, but OHM is not authorised, endorsed, sponsored or affiliated with GE Healthcare or General Electric Company. GE Healthcare, CARESCAPE, Carestation, Datex-Ohmeda and related product names are registered trademarks of GE Healthcare. References to these names on this page identify the equipment OHM services — they do not imply any commercial or authorisation relationship with GE Healthcare.
- Which specific GE Healthcare models does OHM service?
OHM services selected platforms within the GE Healthcare Carestation anaesthesia workstation family, selected legacy Datex-Ohmeda platforms (including Aespire configurations in active clinical use), and selected GE CARESCAPE patient monitoring platforms. Contact OHM with the specific model, serial number and software version of your unit to confirm whether it falls within current service scope and parts availability. OHM does not accept service work for platforms outside confirmed competence — this protects both the facility's equipment and the integrity of the service outcome.
- Will independent third-party service affect our GE Healthcare warranty?
Independent service performed during an active warranty period may affect that warranty — this is a matter between your facility and GE Healthcare, and the terms vary by contract type. OHM recommends confirming warranty status with GE Healthcare before engaging any third-party service. For equipment that is out of warranty or where OEM coverage has lapsed or been discontinued, independent service is at the facility's discretion. The majority of GE Healthcare anaesthesia and monitoring equipment currently in Australian use is out of the original equipment warranty period.
- How does independent service work without being GE-authorised?
Independent third-party biomedical service is a standard and well-established practice in Australian healthcare. The right to service medical equipment independently — outside OEM authorisation — is consistent with right-to-repair principles and routine procurement and maintenance practice across Australian public and private health systems. What distinguishes competent independent service from unqualified service is: formal platform-specific training, the correct calibrated test instruments for each parameter, access to and adherence to manufacturer service documentation, and rigorous documentation of measured results. OHM maintains all of these for the GE Healthcare platforms within its current service scope.
- Does OHM service GE Healthcare anaesthesia vaporisers?
Vaporiser output verification is a standard part of OHM's anaesthesia workstation service scope. This includes agent concentration measurement at multiple dial settings using a calibrated agent analyser, with measured values recorded in the service report. Whether OHM can service your specific vaporiser type — including agent-specific vaporiser models — depends on the model and configuration. Contact OHM with the vaporiser make, model and agent type to confirm service eligibility before shipping.
- Can OHM service GE patient monitors without servicing the anaesthesia machine?
Yes. OHM can service GE CARESCAPE patient monitoring platforms independently of any anaesthesia workstation work. Patient monitor service is a separate scope covering alarm function, parameter accuracy, display performance, battery and power systems, and electrical safety. Many facilities manage their anaesthesia workstations and standalone patient monitors on separate PM schedules — OHM can align to whatever schedule and scope the facility's biomedical program requires.
- What documentation does OHM provide after service?
Each service event produces a written service report including:
- Unit identification (model, serial number, asset ID, software version)
- Service scope performed
- Pre- and post-service measurements for each tested parameter
- Parts replaced (by manufacturer part number where applicable)
- Alarm function test outcomes for all tested parameters
- Electrical safety test results (earth continuity, insulation resistance, leakage current)
- Pass/fail determination and return-to-service status
- Servicing engineer name and date
Documentation is formatted to support biomedical program maintenance records, CMMS import and accreditation audit evidence requirements.
Request a GE Healthcare service assessment.
Contact OHM Healthcare with your GE Healthcare anaesthesia workstation or patient monitor — model, serial number, software version and current service status. OHM confirms scope and eligibility before proceeding and responds within one business day.
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