MRI | 合法醫療器材資訊網

2006年4月20日—AnewsystemdevelopedbytheAmericanSocietyforTestingandMaterialsoffersthreecategories:MRSafe,MRConditional,andMRUnsafe.

Prior to allowing patients and other individuals into the MRI environment, careful screening determines the presence of implants or devices that may pose hazards or risks.(1) Once an implant or device is identified, screeners must examine the label for a given object and decide whether it is acceptable for the patient to undergo an MRI procedure or for an individual to enter the MRI environment. A classification system set up in 1997 created two categories: MR Safe and MR Compatible. But this resulted in confusion. A new system developed by the American Society for Testing and Materials offers three categories: MR Safe, MR Conditional, and MR Unsafe. This may provide better guidance to users.

The terminology applied to implants and devices relative to the MRI environment has evolved over the years. In 1997, the FDA, Center for Devices and Radiological ...