Defibrillation patch electrode having conductor-free resilient z

Details Defibrillation patch electrode having conductor-free resilient z Defibrillation patch electrode having conductor-free resilient z

1994-03-10

1995-02-21

Sykes, Angela D.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical energy applicator

128642, A61N 105

Patent

active

053912004

ABSTRACT:
A cardioversion/defibrillation electrode comprising an insulative element which supports one or more planar conductive elements. The conductive elements are spaced apart from each other by a "conductor-free" region, which serves as a spring loaded hinge about which the electrode may preferentially bend. The electrode is thereby spring loaded to adopt a substantially planar orientation in a relaxed state but is capable of bending to a non planar orientation wherein the electrode is folded about the hinge to facilitate intrathoracic introduction. After introduction, the spring loaded hinge causes the electrode to adopt its relaxed substantially planar orientation for attachment on or near the heart surface. Due to the preferential bending in the "conductor-free" region, the electrode conductive elements are not permanently or substantially deformed during implantation.

REFERENCES:
patent: 2536271 (1951-01-01), Fransen
patent: 3380445 (1968-04-01), Frasier
patent: 4144889 (1979-03-01), Tyers et al.
patent: 4233987 (1980-11-01), Feingold
patent: 4827932 (1989-05-01), Ideker et al.
patent: 4938231 (1990-07-01), Milijasevic et al.
patent: 5042463 (1991-08-01), Lekholm
patent: 5154182 (1992-10-01), Muaddeb

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