American Diagnostic Corporation Diagnostix 54122
American Diagnostic Corporation · Model Diagnostix 54122
Coax Plus Ophthalmoscope Head (p/n 5442) features: High-performance aspherical condenser lens reduces corneal reflection Further reduction provided by utilizing distinct parallel observational and illuminating light beams (Gullstrand’s Equation) Ergonomic design and integral thumb rest improves stability and allows one-finger control of all functions Synthetic rubber brow rest facilitates use with practitioner eyeglasses Dust proof Magnified, illuminated aperture viewing window Universal bayonet mount for compatibility with other brands of 3.5V power supply handles Anti-theft locking feature is standard Choose from halogen/xenon or high-performance AdLED illumination Two-year warranty on instrument, lifetime warranty on AdLED lamp 89 viewing lenses from -44 to +45 in single step 28 aperture/filter combinations for improved diagnostic capability Secondary focusing wheel with zero retention for quick correction of ametropias, provides virtually unlimited fine focus or fast focus in lieu of the 89 viewing lenses The addition of a Karo (grid) aperture that allows for easier transfer of observations to standard Karo (graph) paper 6 apertures include: Slit – used to help determine levels of tumors and lesions Fixation – has graduated crosshairs for measuring eccentric fixation or locating lesions Large – standard aperture for a dilated pupil and general examination of the eye Small – provides excellent view of fundus through an undilated pupil Micro spot – allows quick entry into small, undilated pupils Half moon – provides a combination of depth perception and field of view 3 filters (plus neutral) include: Red free – excludes red rays from examination field for easy identification of veins, arteries, and nerve fibers Cobalt – used with fluorescent dye to view small lesions, abrasions, and foreign objects on the cornea Polarizing – virtually eliminates corneal reflection Battery Handle features: C-sized handle with 1400mAh Li-ion battery CNC machined from solid brass, the handle is chrome plated in black with a ribbed surface for a sure grip Adtronic electronic rheostatic light intensity control provides infinite continuous control and auto-off feature after two minutes Top half of handle unscrews to access wall plug (available in US or Euro fittings) Li-ion battery provides two to three hours continuous use with halogen/xenon lamp, 30 hours use with LED lamp when charged for 24 hours Up to 1,200 charge cycles Universal bayonet mount for compatibility with other brands of 3.5V instrument heads
Key tips
- ·Verify laser output with a real power meter, not the unit's own display - the display can drift independently of true output.
- ·Take "the image looks a little off" reports seriously - optical alignment drift is usually gradual, not sudden.
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.
Light source / lamp failure
MediumSymptoms: Dim or no illumination.
Root cause: Xenon/halogen bulb aging.
Battery handle / switch fault
MediumSymptoms: Won't power on, intermittent light.
Root cause: Battery contact corrosion or switch wear.
Lens wheel / dial fault
LowSymptoms: Won't select correct diopter, sticky dial.
Root cause: Mechanical wear or debris.
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.
Battery handle
Class Periodic replacementRel. cost $$R&R Fairly easy
Disposable ear specula
Consumable, per patient.
Class ConsumableRel. cost $R&R Easy
Replacement bulb / lamp
Consumable.
Class Periodic replacementRel. cost $R&R Easy
| Part | Service class | Relative cost | R&R difficulty |
|---|---|---|---|
| Battery handle | Periodic replacement | $$ | Fairly easy |
| Disposable ear specula Consumable, per patient. | Consumable | $ | Easy |
| Replacement bulb / lamp Consumable. | Periodic replacement | $ | Easy |
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.
- ·Optical alignment / calibration check
- ·Lamp or laser output verification
- ·Annual full PM
Troubleshooting Approach
A structured starting point derived from the failure modes above. Follow the manufacturer's service documentation for the actual procedure.
Symptom: Light source / lamp failure
- Confirm the presentation - typically dim or no illumination - and note the exact alarm or message and the conditions when it occurs.
- Check the most likely cause first: xenon/halogen bulb 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 replacement bulb / lamp 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: Lens wheel / dial fault
- Confirm the presentation - typically won't select correct diopter, sticky dial - and note the exact alarm or message and the conditions when it occurs.
- Check the most likely cause first: mechanical wear or debris.
- 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 battery handle 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.
Typical Location
Where this class of equipment is typically deployed - general reference, not this unit's own placement record.
- Eye clinic / ophthalmology suite
- Operating Room (ophthalmic surgery)
Documents & Manuals
No documents available for this device yet.
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