Controlling blanking during magnetic resonance imaging

Details Controlling blanking during magnetic resonance imaging Controlling blanking during magnetic resonance imaging

A - Human Necessities

61

N

A61N 1/37 (2006.01) A61N 1/372 (2006.01)

Patent

CA 2540206

The invention is directed to structure and methods for coordinating the operation of an implantable medical device (IMD) with magnetic resonance imaging (MRI) techniques. For example the IMD can be made to activate a blanking period during the time when the electromagnetic radiation bursts occur. Blanking an IMD at times when MRI electromagnetic radiation bursts occur can prevent an undesirable action or incorrect sensing by the IMD while under the influence of the electromagnetic radiation bursts.

L'invention concerne une structure et des méthodes pour coordonner le fonctionnement d'un dispositif médical implantable (IMD) et de techniques d'imagerie par résonance magnétique (IRM). Par exemple, l'IMD peut permettre d'activer une période d'extinction, pendant la période de rafales de rayonnements électromagnétiques. L'extinction d'un IMD, lors de rafales de rayonnements électromagnétiques d'IRM peut permettre d'éviter une action non voulue ou une détection incorrecte de l'IMD, lorsque celui-ci subit l'influence des rafales de rayonnements magnétiques.

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