A - Human Necessities – 61 – N
Patent
A - Human Necessities
61
N
A61N 1/375 (2006.01)
Patent
CA 2426746
An implantable pacemaker is provided with cardiac depolarization sensing electrodes welded into the case along a peripheral edge surface thereof. The electrodes are coupled to signal processing circuitry within the case to provide leadless acquisition of electrocardiographic data for telemetry to a programmer. Each electrode is a thin film, multilayer ceramic structure mounted in a welding ring. Each electrode is substantially flat and is disposed within a recess in the peripheral edge surface of the case. Each electrode is a sandwich structure comprising a thin film layer, first and second ceramic layers, and a ground plane layer between the ceramic layers.
L'invention concerne un stimulateur cardiaque implantable ~quip~ d'~lectrodes de d~tection de d~polarisation cardiaque, qui sont soud~es dans le bo¹tier le long de la surface du bord p~riph~rique de ce dernier. Les ~lectrodes sont connect~es avec des circuits de traitement de signaux install~s dans le bo¹tier qui permettent l'acquisition sans broches de connexion de donn~es ~lectrocardiographiques de t~l~surveillance destin~es ~ un programmateur. Chaque ~lectrode est constitu~e d'une structure c~ramique multicouche ~ film mince mont~e dans une bague de soudure. Chaque ~lectrode est sensiblement plate et dispos~e dans un ~videment m~nag~ dans la surface du bord p~riph~rique du bo¹tier. Chaque ~lectrode est constitu~e d'une structure en sandwich comprenant une couche compos~e d'un film mince, une premire et une seconde couche de c~ramique et une couche compos~e d'une plaque de masse intercal~e entre les couches de c~ramique.
Donders Adrianus P.
Guck Beth Anne
Medtronic Inc.
Smart & Biggar
LandOfFree
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