Press Release: a renowned MRI implant testing company, Shellock R&D Services Inc. confirms that our UHF Tag LT56 is certified for use with MRI technology

Tests were conducted by MRI safety expert, Frank G. Shellock, Ph.D., President, Shellock R&D Services Inc. ( with the support of his Research Assistant, Božena Čulo. The tests were conducted at Keck Hospital of the University of Southern California (USC).

Using it’s state-of-the-art MRI facilities operating at 1.5- and 3-Tesla, Shellock R&D Services analyzed the ABG Systems LT56 UHF Textile Tag to assess the effects of MRI exposure, as well as possible MRI-related issues (magnetic field interactions, heating, and artifacts). Based on the results, Shellock R&D Services categorized the ABG Systems LT56 UHF Tag as “MR Conditional” at 1.5- and 3.0-Tesla MRI, and the maximum spatial gradient magnetic field of 4,000-gauss/cm (40-T/m)(extrapolated). Under the defined MRI scan conditions, ABG Systems Tag LT56 is expected to produce a maximum temperature rise of 1.6°C after 15 minutes of continuous scanning (i.e., per pulse sequence). During non-clinical testing, the image artifact caused by ABG Systems Tag LT56, RFid Tag for Textiles in Hospitals extends approximately 5-mm from this device when imaged using a gradient echo pulse sequence and a 3-Tesla MR system. This is an extremely high rating for an RFid device.

The positive test results will be posted on the international MRI safety resource website, The LT56 ABG Systems Tag is designed for industrial laundry applications and can endure harsh washing conditions for thousands of cycles. Independent testing performed by Shellock R&D Services confirms that the tags are safe for use in sheets, gowns and scrubs in the MR environment.

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