A - Human Necessities – 61 – N
Patent
A - Human Necessities
61
N
A61N 1/05 (2006.01)
Patent
CA 2472257
A medical electrical lead is disclosed comprising an electrically-conductive shield adjacent to at least a portion of the lead body. The shield is adapted to dissipate energy when the lead is subjected to an electromagnetic field. The shield may be further coupled to a housing of an implantable medical device to enhance energy dissipation capabilities. In another embodiment, a method comprises receiving electromagnetic energy within a shield coating surrounding a portion of the lead. The energy is then dissipated in a manner that protects tissue surrounding the lead from injury.
L'invention concerne un fil électrique médical comprenant un blindage électroconducteur adjacent à au moins une partie du corps du fil. Le blindage est adapté pour dissiper l'énergie lorsque le fil est soumis à un champ électromagnétique. Le blindage peut être couplé également à un logement d'un dispositif médical implantable afin d'améliorer ses capacités de dissipation d'énergie. Dans un autre mode de réalisation, l'invention concerne un procédé consistant à recevoir de l'énergie électromagnétique dans un revêtement blindé entourant une partie du fil. L'énergie est alors dissipée de manière à protéger le tissu entourant le fil contre toute lésion.
Medtronic Inc.
Smart & Biggar
Zeijemaker Volkert A.
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