Protecting, Maintaining and Improving
the Health of All Minnesotans
Radiation Control, X-ray Unit
Minnesota ...
FDA Initiative on Radiation Inspector’s Corner
Exposure From Medical Imaging
The U.S. Food and Drug Administration have
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February 2010 X-ray Bulletin


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February 2010 X-ray Bulletin

  1. 1. Protecting, Maintaining and Improving the Health of All Minnesotans FEBRUARY 2010 Radiation Control, X-ray Unit Minnesota Department of Health 625 Robert Street North PO Box 64975 St. Paul, Minnesota 55164-0975 Phone: 651.201.4545 Fax: 651.201.4606 Website: Email: MDH X-ray Unit magnets The MDH X-ray Unit created magnets for all registered facilities to help facilitate communication between our registrants and MDH. Please write your facility registration number on the magnet, as we refer to this number to answer your questions. If you do not receive your magnet by the end of this month, please give us a call. Late Fees enforced If your Annual Registration x-ray equipment fees are postmarked after the 1st, the late fee will be enforced. There will be no grace period, and paperwork will be returned if a late fee is not included. It is the facilities responsibility to notify MDH of any changes that might hinder the registration process: new address, new contact person, and change of ownership or equipment status. It is also the facilities responsibility to know when registration is due. If you know you should have received your paperwork, but didn’t, then please contact us and we’ll send another packet. If you do not know when your annual registration is due, please give us a call. Chapter 4732 is available at the Minnesota Bookstore for $13.95 plus shipping and tax . Call 651.297.3000 or 1.800.657.3757 or order online at bookstore.asp Visit our website Please visit our website for all your radiation control questions about Quality Control, Service Providers, X-ray Operators, registration forms and more at New items include:  X-ray recycling and disposal services  Mammography classes added  X-ray operator classes updated Rule 4732 update MDH is in the informal process of fine-tuning Rule 4732, adopted in November of 2007. We are asking for solicitations from the regulated community on areas of improvement that they would like to see. Once comments are received, the formal rule making process will begin. Some areas that MDH is looking at, include: CR/DR quality control, CT/Bone Density rules (draft copies online), removal of all language pertaining to therapy (therapy will be rule 4733 when adopted), and clarifying areas that have resulted in numerous calls from the regulated community. Please send your comments by April 30 to: Kimberly Pappas Minnesota Department of Health Radiation Control, X-ray Unit 625 Robert Street North P.O. Box 64975 St. Paul, Minnesota 55164-0975 Limited Scope exam results We receive numerous phone calls from applicants who have taken the Limited Scope X-ray Operators exam, requesting their exam scores. We will no longer provide this information over the phone. We receive these reports from ARRT weekly. If you have not received your score letter from us within two weeks of taking the exam, please give us a call. Please allow two weeks for processing by ARRT and MDH before calling us. Thank you!
  2. 2. FDA Initiative on Radiation Inspector’s Corner Exposure From Medical Imaging The U.S. Food and Drug Administration have Lead Aprons and Digitalannounced an initiative to reduce unnecessary Lead Aprons are required to beradiation exposure from three types of medical worn any time an individual is involved in holdingimaging procedures: Computed Tomography (CT), a patient during an x-ray examination. X-rays doNuclear Medicine Studies, and Fluoroscopy. These not care whether your facility uses digital or film.procedures are the greatest contributors to total X-rays come from the tube, not the receptor. Onceradiation exposure within the U.S., and use doses x-rays interact with a target, they produce scatterhigher than mammography, dental and standard radiation. Someone assisting on an exam would bex-rays (ie. chest x-ray). Like all medical procedures, subject to radiation exposure. The lead apron isthere is a risk associated with these exams. designed to shield the human holder from bothExposure to any kind of radiation can increase a primary and secondary radiation. Lead integrityperson’s lifetime cancer risk testing needs to be done at intervals not to exceed 24 months, to check for cracks/holes that wouldSome of the FDA’s initiatives involves working compromise the safety of someone wearing it.together with organizations to help patients get the right imaging exam, at the right time, with the right Portable X-Ray Fluorometers Used in Industry radiation dose. It will include the safe use of Portable x-ray fluorometers are industrial devices medical imaging devices, support informed clinical typically used to analyze objects for their metal decision-making, and increase patient awareness of content. their own exposure. There are two kinds of industrial devices: one uses Manufacturers will be required to incorporate radioactive material (e.g., cadmium-109) and the additional safeguards into their machines and to other uses a battery-operated x-ray tube: provide appropriate training for practitioners.  The radioactive material based instruments are For additional information, please visit http:// usually generally licensed and need not be w w w . f d a . g o v / N e w s E v e n t s / N e w s r o o m / registered with the Minnesota Department of PressAnnouncements/UCM200085 Health, X-ray Unit. Radioactive materials staff currently does not inspect the safety program To receive bulletins by email, for these devices. please submit your request to  The tube-based instruments must be registered with MDH X-ray Unit and the users must b-For past bulletins, visit our we follow Rule Chapter 4732, contained mostly in s/site at rule part 1000. MDH inspects the registrant’s xray, click on Publications. safety program every four years. What defines a “new” facility? If you have questions about registering these devices, please contact Tim Donakowski atWhat is a NEW facility? 651-201-4521, or Kelly Sabanjo at 651-201-4568. New construction, not registered with MDH  A facility under new ownership X-ray Unit magnets A satellite office that has not been registered Just a reminder to please use the x-ray magnets we sent to all facilities in January. When calling MDHAny new information should be reported to MDH. with x-ray questions, we will ask for yourPlease use the Change of Facility Information form registration number, which should be written byavailable on our website to report changes. To you in the middle of the magnet. It also containsregister a new facility, fill out the Initial Registration our web address, with answers to our frequentlyform. Both are available on our website at asked questions. Thank you!, click on Registration Forms.