A - Human Necessities – 61 – N
Patent
A - Human Necessities
61
N
A61N 1/372 (2006.01) A61N 1/378 (2006.01)
Patent
CA 2713088
Disclosed is an improved external controller useable in an implantable medical device system. The communication coil in the exter-nal controller is formed in a printed circuit board (PCB), i.e., by using the various tracing layers and vias of the PCB. As illustrated, the PCB coil is formed at a plurality of trace layers in the PCB, and comprises a plurality of turns at some or all of the layers. The communication coil may wrap around the other circuitry used in the external controller, which circuitry may be mounted to the front and/or back of the PCB. The geometry of the coil is specially tailored to maximize its inductance, and hence maximize its ability to communicate in the sub-4 MHz range which is not signifi-cantly attenuated by the human body.
Linvention concerne un dispositif de commande externe amélioré utilisable dans un système de dispositif médical implantable. La bobine de communication présente dans le dispositif de commande externe est formée dans une carte de circuit imprimé (PCB), cest-à-dire en utilisant les diverses couches de pistes et les divers trous dinterconnexion de la carte de circuit imprimé. Telle quillustrée, la bobine de la carte de circuit imprimé est formée au niveau dune pluralité de couches de pistes dans la carte de circuit imprimé et comporte une pluralité de spires au niveau dune partie ou de toutes les couches. La bobine de communication peut sentourer autour de lautre circuit utilisé dans le dispositif de commande externe, ledit circuit pouvant être monté sur le devant et/ou à larrière de la carte de circuit imprimé. La géométrie de la bobine est en particulier conçue pour maximiser son inductance et donc optimiser son aptitude à communiquer dans la plage sous 4 MHz qui nest pas atténuée de manière significative par le corps humain.
Aghassian Daniel
Chen Joey
Boston Scientific Neuromodulation Corporation
Goodwin Mckay
LandOfFree
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