Surgery: light – thermal – and electrical application – Light – thermal – and electrical application – Electrical therapeutic systems
Patent
1993-08-12
1994-12-06
Cohen, Lee S.
Surgery: light, thermal, and electrical application
Light, thermal, and electrical application
Electrical therapeutic systems
607 36, A61N 139
Patent
active
053706633
ABSTRACT:
An implantable cardiac defibrillator includes a housing having a thickness dimension that is smaller than either of the length and width dimensions of the housing. Within the housing is an energy storage capacitor having a thickness dimension that is smaller than either of the length and width dimensions of the capacitor. The capacitor includes a first plate layer, a second plate layer, and a dielectric layer separating the first plate layer and the second plate layer. The first plate, second plate and dielectric layers are arranged spirally about an axis parallel to the thickness axis of the capacitor, with the thickness axis of the capacitor being substantially parallel to the thickness axis of the housing. The capacitor is arranged as an annulus having an open center. A battery is disposed within the open center in the same plane as the capacitor. A circuit board and header are arranged in another plane stacked atop the battery and capacitor.
REFERENCES:
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patent: 3622847 (1971-11-01), Grahame
patent: 3987799 (1976-10-01), Purdy et al.
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patent: 4481558 (1984-11-01), Endoh et al.
patent: 5131388 (1992-07-01), Pless et al.
patent: 5241960 (1993-09-01), Anderson et al.
Cohen Lee S.
Intermedics Inc.
Jastrzab Jeffrey R.
Robinson Richard L.
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