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RTI Calendar

Sun, 02 Aug 2009 18:22:36 +0200

Next Stop – RPM

International Conference on Radiation Protection in Medicine

Do not miss the opportunity to have a first glance of our upcoming October release. You'll find it in our booth at RPM in Bulgaria. RTI will be there together with our distributor in Bulgaria – Ecomed Services – to show you the best from RTI Electronics, our X-ray multimeters Piranha and Barracuda that togehter with our powerful software gives you an extraordinary X-ray QA solution. If you work with CT QA you must see our new CT Dose Profiler that measures CTDI as well as CT dose profiles.

www.rpm2010.org

SEPTEMBER 1-3, 2010 • Rivieria Holiday Club, Varnia, Bulgaria

Exciting Innovations at AAPM

Wed, 14 Jul 2010 00:00:00 +0200

On display this year: T-20 Detector, CT Dose Profiler and Ocean

RTI Electronics is looking forward to being part of the 52nd Annual AAPM in Philadelphia, Pennsyl-vania during July 18-21. RTI's display 756 will feature some of the most exciting X-ray QA products. RTI Electronics' products at the AAPM will feature some important accessories to the Piranha and Barracuda multi-meters.

The T20 Detector. The RTI T20 is a solid state detector that allows the user to measure entrance skin dose on Rad and Fluoro systems and leave the X-ray system's output undisturbed. You will like the design and be amazed at how the RTI T-20 solid state detector compares to measurements made with a 60cc ion chamber.The T20 works with either the RTI Piranha or Barracuda multi-meter.

The CT Profiler. The RTI CT Profiler is solid state detector for use with the Piranha and Barracuda. The CT Dose Profiler has taken CT Quality Assurance to the next level. Using a "One Shot" method with the solid state technology of the CT Dose Profiler, the user is provided a complete Dose Profile along with a quicker and more complete analysis of the CT beam for any size fan beam width, including CTDI, Dose, DLP, CTDI100, FWHM, CTDIvol, CTDIw, and Scatter Index. Its design makes it ideal for positioning in both 130 and 150 mm phantoms.

Ocean X-ray QA Software. Ocean is the newest X-ray QA software for use with RTI's Piranha and Barracuda. Automation of test protocols, PMs, and custom design of user sessions are all part of the package. You can include PDFs, photos, and other instructional tools as part the test sessions. Of course, your laptop or net book can be connected via Bluetooth to your RTI multi-meter making set-up a snap. Come by for your demo.
See you in Philadelphia.

RTI Electronics Strengthening its Position in South America

Fri, 23 Jul 2010 00:00:00 +0200

In order to strengthening the position and further develop the market, RTI tries to ensure that we always have available knowledgeable and enterprising representatives to cover the world. We are now pleased to present three new distributors in South America.

Pimax in Argentina, MRA Industry Electronic Equipment in Brazil, SLI Medical in Chile. We look forward to many successful years together and wish our new distributors all the best on their markets.

RTI continues to grow and is now represented in 52 countries.

Important Solid State Detector Accessories by RTI Electronics

Fri, 23 Jul 2010 00:00:00 +0200

If you own an RTI Piranha or Barracuda multi-meter, you may want to consider adding two special solid state detectors specially developed by RTI Electronics.

The most recent is the T20 (Translucent Detector), ideal for measurements on Rad/Fluoro systems when the detector does not affect the system output or disturb the AEC system. Typically, measurements of this kind had to be performed with an ion chamber. The adverse effects caused by the density of the size, density and design of the solid state detectors made it impossible to get good results when placed in the center of the beam.

However, the unique design of the T20 with a detector area of 20mm2 , this makes it small enough to not adversely affect the X-ray system or AEC. Primary applications for the T20 include patient entrance dose and maximum dose rate.

The second solid-state detector for your consider-ation is the RTI CT Dose Profiler. Designed for CT Quality Assurance, the second generation CT Dose Profiler can measure or evaluate several important parameters such as CT Dose Profile, CTDI100, CTDIw, CDTIvol, DLP, FWHM, Scatter Index and Geometric Efficiency.

The CT Dose Profiler comes with CT Dose Profile Analyzer PC software. Only one exposure is needed to measure and calculate CTDI100, CTDIw, CTDIvol, DLP, FWHM and Scatter index. The software permits measured data to be saved and re-opened for later reviewing. Data can also be printed or exported to Microsoft Excel for further analysis.

Both the RTI T20 and CT Dose Profiler can be used with the Piranha or Barracuda. Ask your sales representative for assistance in ordering an accessory or go to www.rti.se/products for further information.

EDGE July 2010

Wed, 21 Jul 2010 00:00:00 +0200

Newsletter from RTI Electronics, July issue 2010. EDGE Newsletter is published three times per year by RTI Electronics.

Meet Us at RPM in Bulgaria

Wed, 01 Sep 2010 00:00:00 +0200

RPM – International Conference on Radiation Protection in Medicine

www.rpm2010.org

SEPTEMBER 1-3, 2010 • Rivieria Holiday Club, Varnia, Bulgaria

Decotron – New Distributor in Norway

Sun, 05 Sep 2010 00:00:00 +0200

We welcome our new Norwegian distributor Decotron to our RTI Team. Decotron is since 1989 selling, installing, and reparing a whole range of X-ray machines, MR scanners and Medical Displays. Our main contact will be Stein Espedalen, the technical director, along with the engineers. We are very happy to have them on our team, and we wish our new members all the best on the market.

Receive Higher Accuracy when Measuring CTDIw

Mon, 06 Sep 2010 00:00:00 +0200

RTI strongly recommend the 1 point method when measuring CTDIw. Using the 1 point method only one exposure in the centre hole is performed for each CTDI_w estimation. This is possible by using know relations in the dose distribution between the centre hole and the 4 periphery holes. This relation is defined by the "k-factor".

How accurate is the k-factor?

The k-factors have been extracted from statistics during two or three years from measurements of the CTDI_wand CTDI₁₀₀ measured with ion chambers on different scanners.

The variation between different scanners and bowtie filters are less than ±5%. This difference gives less distribution to the expanded uncertainty than influences by measuring the 5 periphery holes individually. Factors that add inaccuracy when measuring in the periphery holes are energy dependencies, low signal and high dynamic variation in signal during the tube rotation. When using the CT dose profiler in the periphery holes during a scan the pitch has to be less than 0,5 to avoid loss of information for the dose estimation.

Can I check the k-factor myself?

Yes; You can easily extract you k-factor for each of your CT scanners by using previous measurements with ion chambers.

RTI strongly recommends the 1 point method to be used for CTDI_w measurements with the CT Dose Profiler. The method saves time and gives a higher accuracy than the 5 point method, either using a pencil ion chamber or the CT Dose Profiler.