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Dura 202 & Dura 422 Life Expectancy & Cost

by | Sep 18, 2020 | CT

Dura 202 & Dura 422 Life Expectancy & Cost

Whether purchasing a CT machine new or used, you can expect that its x-ray tube will need to be replaced eventually, even with normal use. The type of replacement tube you purchase will determine both its life expectancy and cost.

CT X-Ray Tube Overview

X-ray tubes are designed to produce the x-rays used by CT machines by accelerating electrons and producing both x-rays and heat as a byproduct. The x-rays are used for imaging, and the heat wears down the tube over time. A build-up of tungsten, the material that comprises the tube’s anode, is a good indication that it’s time for a replacement. Cracks in the tube, leaking gas, and the accumulation of oil anywhere that it shouldn’t be are also good indicators it needs to be replaced.

The Siemens Emotion 6 & 16 slice CT, uses two types of tubes: the Dura 202 and the Dura 422. Each has its own life expectancy and varies in price, and your replacement choice should be based on your facility’s needs and budget.

 

How Long Does a Dura 202 CT X-Ray Tube Last?

Typically, a Dura 202 CT tube is expected to last between 350,000 and 450,000 scan seconds, which translates to about 3 years of normal use. This can be extended slightly by maintaining the machine well and allowing it to warm up when operating it after it’s been unused for more than a couple of hours. This life expectancy is also based on proper use expectations by trained professionals, of course.

 

How Much Does a New or Used Dura 202 CT X-Ray Tube Cost?

Dura 202 tubes can range from $30,000 to $55,000 new, or $20,000 to $40,000 for a used part.

 

How Long Does a Dura 422 CT X-Ray Tube Last?

Dura 422 CT X-ray tubes are expected to last a little longer. On average, they last for about 450,000 to 550,000 scan seconds or about 4 years with normal use. As a result, they cost a little more than the Dura 202.

 

How Much Does a New or Used Dura 422 CT X-Ray Tube Cost?

The Dura 422 costs around $80,000 to $88,000 for a new tube. There are no aftermarket Dura 422 options available, however, used tubes can be purchased for around $50,000 to $75,000, if you’re able to find one.

 

The Bottom Line

Ultimately, the longevity you expect from the product and the price you’re willing to pay will determine your choice between the Dura 202 and the Dura 422. Adhering to manufacturer suggested levels of use and staying within the machine’s heating and cooling curves will help you get the most life out of your replacement tube, whether you decide to buy new or used.

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