MicroDose SI
Philips Digital Mammography Sweden AB · Model L50
Philips MicroDose SI (Model: L50) is intended to produce radiographic images of the human breast for the purpose of diagnostic and screening mammography. The system is intended to be used in the same clinical applications as traditional film-based mammography systems.
Intended use: A stationary assembly of devices designed to generate x-ray images of the breast using digital techniques for image capture and display. It is designed specifically to compress the breast during imaging and is intended to visually evaluate the anatomy and function of blood and lymphatic vessels within the breast. Often referred to as a digital mammography system (DMS) it is typically used for breast cancer screening or during biopsy procedures (e.g., placement of biopsy markers, stereotactic biopsy). It is designed to capture two-dimensional (2-D) x-ray images, however may include software intended to process multiple images to create a three-dimensional (3-D) image/model (tomosynthesis).
Key tips
- ·Never bypass a radiation interlock to "just get the image" - this is one of the few true zero-tolerance rules in BMET work.
- ·Trend image-quality phantom results over time - drift shows up before an outright failure does.
- ·Portable/mobile units take real physical abuse from transport - check wheel locks and cable strain reliefs more often than fixed units.
Typical Failure Modes
Failure patterns typical of this equipment class - general BMET reference, not verified against this exact unit's own service history unless flagged. Severity is a category-level estimate.
X-ray tube overheating / filament failure
HighSymptoms: Tube won't fire, heat-capacity alarm.
Root cause: Filament wear, cooling failure.
Detector calibration drift
MediumSymptoms: Image noise, artifacts, low SNR.
Root cause: Flat-panel / sensor aging.
Generator / high-voltage fault
HighSymptoms: Exposure fails, kV/mA out of range error.
Root cause: HV tank or generator board fault.
Recon / system software hang
LowSymptoms: Frozen console, acquisition timeout.
Root cause: Workstation or RAID degradation.
Serviceable Parts & Consumables
The parts a BMET typically services on this class of equipment. Service class and relative cost are general engineering estimates for the category, not figures from this unit's documentation. Part numbers appear only when pulled from this unit's own service manual. Always confirm intervals and pricing against the manufacturer.
Flat-panel detector
Class Major service partRel. cost $$$$R&R Expert-level
Cooling pump & radiator
Class Periodic replacementRel. cost $$$R&R Difficult
High-voltage generator
Class Major service partRel. cost $$$$R&R Expert-level
Workstation RAID / GPU
Class Periodic replacementRel. cost $$$R&R Difficult
| Part | Service class | Relative cost | R&R difficulty |
|---|---|---|---|
| Flat-panel detector | Major service part | $$$$ | Expert-level |
| Cooling pump & radiator | Periodic replacement | $$$ | Difficult |
| High-voltage generator | Major service part | $$$$ | Expert-level |
| Workstation RAID / GPU | Periodic replacement | $$$ | Difficult |
Relative cost: $ lowest · $$$$ highest service-part cost for this equipment class. Not a price.
PM Checklist
Preventive-maintenance tasks typical of this equipment class. Perform to the manufacturer's procedure and your facility's policy - this is general reference, not a schedule for this specific unit.
- ·Daily QC per modality: image-quality phantom test
- ·Tube and detector inspection
- ·Annual state-required radiation safety survey
- ·Vendor-scheduled preventive maintenance
Troubleshooting Approach
A structured starting point derived from the failure modes above. Follow the manufacturer's service documentation for the actual procedure.
Symptom: X-ray tube overheating / filament failure
- Confirm the presentation - typically tube won't fire, heat-capacity alarm - and note the exact alarm or message and the conditions when it occurs.
- Check the most likely cause first: filament wear, cooling failure.
- Isolate the affected subsystem using the manufacturer's functional check or self-test, where one is provided.
- If the fault is confirmed and not a field adjustment, service or replace the x-ray tube insert per the manufacturer's service documentation.
- Return the device to service only after the manufacturer's functional and applicable electrical-safety checks pass.
- Record the findings, any parts used, and the verification results in the maintenance history.
Symptom: Detector calibration drift
- Confirm the presentation - typically image noise, artifacts, low SNR - and note the exact alarm or message and the conditions when it occurs.
- Check the most likely cause first: flat-panel / sensor aging.
- Isolate the affected subsystem using the manufacturer's functional check or self-test, where one is provided.
- If the fault is confirmed and not a field adjustment, service or replace the flat-panel detector per the manufacturer's service documentation.
- Return the device to service only after the manufacturer's functional and applicable electrical-safety checks pass.
- Record the findings, any parts used, and the verification results in the maintenance history.
Technical Specs
- MRI safety
- Labeling does not contain MRI Safety Information
- Sterile
- No
- Single use
- No
- Prescription use
- Rx only
- FDA distribution status
- In Commercial Distribution
- Device type (GMDN)
- Stationary mammographic x-ray system, digital
- FDA product classification
- Full field digital,system,x-ray,mammographic
Typical Location
Where this class of equipment is typically deployed - general reference, not this unit's own placement record.
- Radiology / Imaging department
- Emergency Department (portable units)
- Operating Room (C-arms)
- Cath lab
- Bedside ICU (portable X-ray)
Documents & Manuals
No documents available for this device yet.
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