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Porous Electrodes: Concept, Technology and Results
Author(s) -
MacCARTER DEAN J.,
LUNDBERG KATHLEEN M.,
CORSTJENS J.P.M.
Publication year - 1983
Publication title -
pacing and clinical electrophysiology
Language(s) - French
Resource type - Journals
SCImago Journal Rank - 0.686
H-Index - 101
eISSN - 1540-8159
pISSN - 0147-8389
DOI - 10.1111/j.1540-8159.1983.tb04384.x
Subject(s) - medicine , electrode , biomedical engineering , impulse (physics) , electrolyte , porosity , voltage , optoelectronics , composite material , materials science , electrical engineering , chemistry , physics , quantum mechanics , engineering
Ľélectrode poreuse a été déVelopée pour améliorer le recueil ainsi que la qualité de la stimulation. Ces électrodes créent une interface au niveau de ľendocarde qui a pour but (1) de diminuer les seuils de stimulation chronique, (2) de faciliter la pénétration de la fibrose dans ľélectrode afin ?éviter les déplacements et (3) de présenter une surface électrolytique importante de contact pour réduire le voltage de polarisation. Les résultats cliniques actuels sonl favorables. Les avantages de ľéiectrode poreuse à long terme restent à décrire. Porous electrodes were designed and implanted to optimize sensing and pacing performance of the cardiac pacemaker. These eJectrodes were manufactured to create an effective, atraumatic endocardial interface in order to (1) decrease chronic stimulation thresholds and pacemalter current drain; (2) facilitate fibrous protein tissue ingrowth for reduced electrode displacement; and (3) to create a large electroiytic surface area of contact for reduced polarization voltage, thus improving impulse and electrogram transmission. Thus far, clinical results demonstrate reduced long‐term threshold and decreased current drain. Long‐term advantages of porous electrodes remain to be determined.