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Preventative Maintenance

Virtually all manufacturers of medical imaging equipment and systems recommend routine periodic maintenance. The specific recommendations are usually found in the owner’s manual or other documentations provided by the manufacturer.

 

There are several reasons for following a schedule of planned maintenance of x-ray equipment. Briefly stated, you want your equipment to produce the images you need for and you want to avoid disruptions to your practice. More specifically, the reasons for preventative maintenance include the following:

  1. Limit patient exposure
  2. Limit retakes
  3. Improve image quality
  4. Lower possibility of major component failure
  5. Longer equipment life
  6. In some cases, compliance with governmental regulations

 

X-Ray Generating Equipment:

Some service providers consider annual maintenance to consist of making a few exposures, lubricating moving parts, checking connections, and other fairly simple tasks. The work we perform includes much more than a cursory look at your equipment and making a few checks. Our procedures call for this basic work but they also include several tests to verify the output of the x-ray equipment and a review of your administrative functions to determine if your practice is in compliance with various governmental regulations.

 

Specifically some of the work we do during while performing x-ray preventative maintenance includes:

  1. Check for proper functioning of the collimator with respect to beam limitation, light field accuracy and source to image distance indicator accuracy

  2. Verification of radiation control devices such as timer accuracy, reproducibility of exposures, linearity of exposures, and kVp accuracy

  3. Review of administrative/facility documentation such as a technique chart, log of human holders, personnel monitoring records

When we are finished, you will receive a seven-page report of the work done, test results, recommendations and comments. If you wish we will meet with you to discuss our report and review the corrective actions needed.

 

DR plates:

In addition to insuring that your generating equipment is operating properly, your digital DR system should be periodically inspected and serviced. Some digital DR systems need to be periodically re-calibrated to the generating equipment being used. In addition, DR plates are subject to dust and dirt particles that are generally found in the office environment. Keeping them clean helps prevent artifacts and damage to the plate surface. Exposure of a DR imaging plate to a test phantom allows the service engineer to evaluate many important exposure factors.

 

CR Readers:

You CR system represents a major investment for your practice. While most recognize the importance of having your x-ray generating system maintained on a routine basis, preventive maintenance on your Computed Radiography (CR) system is often overlooked.

 

Specific service requirements may vary from manufacturer to manufacturer, but the following are areas that are normally addressed during preventive maintenance service on a CR system:

  1. Clean Air Vents and Internal Components: CR readers are subject to dust and dirt particles that are generally found in the office environment. Keeping air ducts clean promote proper ventilation and internal cleaning helps prevent artifacts and damage to optics.

  2. Phantom Check: Exposure of an imaging plate to a test phantom allows the service engineer to evaluate many important exposure factors such as PhotoMultiplier (PMT) consistency, exposure consistency, contrast, sharpness and laser jitter.

  3. Transport: Mechanical transport functions are checked for normal wear and tear. Parts are lubricated and replaced as required.

  4. Optics: Clean mirrors and optics systems as required.

  5. Erasure lamps: Check erasure lamps to assure they are operating properly.

Keeping your equipment operating in according to manufacturers specifications is not only a good practice for your patients but is also a sound business decision. Protect your investment-have preventive maintenance performed in accordance with manufacturer’s recommendations.

 

Film Processors:

As film is processed, by-products are released into the developer, fix and wash systems. These must be removed by regular cleaning. Most manufacturers recommend that this regular cleaning take place at least one a month.

 

Specific service requirements may vary from manufacturer to manufacturer, but the following is an outline of the general procedures that are normally addressed during preventive maintenance service on a film processor (the sequence of steps may vary):

  1. Open the drain valves, drain of the used developer, fixer and wash water; Allow the tanks and recirculation systems to drain completely.

  2. Clean and rinse the replenishment hoses, tanks, pumps.

  3. Remove, clean and inspect all racks.

  4. Check the operation of all pumps.

  5. Inspect for any leaks and tighten fittings if appropriate.

  6. Lubricate parts, if needed.

  7. Refill processor with fresh chemistry and water.

  8. Verify that developer temperature is properly maintained.

 

Repairs

It is quite unusual for a piece of equipment to be used consistently without needing repair at some time (usually the most inconvenient time that you could imagine). Sometimes the need for repair is immediate (i.e. equipment does not operate in a safe manner or it does not operate at all). At other times, the equipment may be safely operated but does not function normally. In both instances you want the repair done by a competent service organization. In the case of the need for immediate repair, you also want it done as quickly as the demands of your practice require. In other words, you want it repaired properly and you want it repaired on a timely basis.

 

As noted elsewhere, Omni is a company with a lot of experience. It addition, we realize that your equipment needs to be fixed as quickly as you require. We offer service on a 24/7 basis because some of our customers never close.

 

Our service capabilities extend beyond the manufacturers we represent. Even if your x-ray equipment was manufactured many years ago or even if the equipment manufacturer is no longer in business, it likely that we can perform the repairs you need.

 

The specific types of equipment we repair includes the following:

  • Digital (DR) x-ray equipment
  • CR readers
  • Computer workstations
  • Film scanners and printers
  • X-ray generating equipment
  • X-ray film processors
  • Exam tables and Chiropractic tables including reupholstery

 

 

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