Evaluation of the effects of UHF electromagnetic fields on a blood bag

Casu, Sergio; Fanti, Alessandro; Floris, V; Gatto, Gianluca; Mazzarella, G.; Migliore, Marco Donald; Spano, Ivan Luigi

doi:10.1109/lapc.2015.7366017

Cited by 1 publication

(1 citation statement)

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“…The effect on the blood temperature has not been recorded. Therefore, the only data available have been obtained by a numerical simulation [15,16]. However, the setups chosen in [15], i.e., a few cylindrical tubes filled with blood plasma, exposed in a waveguide, or located in close proximity of a coil, are completely different from the actual reader field and bag shape, so the aim of this paper is to numerically evaluate the increase in temperature and the specific absorption rate (SAR) of a blood bag with a realistic shape, when exposed to a field very close to a typical UHF reader field, in order to assess, at least from this point of view, the use of UHF-RFID in blood bags traceability.…”

Section: Introductionmentioning

confidence: 99%

A Numerical Estimation of a RFID Reader Field and SAR inside a Blood Bag at UHF

Fanti¹,

Casu²,

Mazzarella³

2016

Electronics

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Abstract:In this paper, the effects of UHF electromagnetic fields produced by a RFID reader on a blood bag are evaluated numerically in several configurations. The results of the simulation, field level and distribution, specific absorption rate (SAR), and heating time show that an exposure to a typical reader field leads to a temperature increase smaller than 0.1 C and to a SAR smaller than 1 W/kg. As a consequence, no adverse biological effects occur during a typical UHF RFID reading cycle on a blood bag. Therefore, the blood contained in a bag traced using UHF-RFID is as safe as those traced using barcodes. The proposed analysis supports the use of UHF RFID in the blood transfusion supply chain.

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Section: Introductionmentioning

confidence: 99%