Single pass medical electrical lead

Details Single pass medical electrical lead Single pass medical electrical lead

A - Human Necessities

61

N

A61N 1/05 (2006.01)

Patent

CA 2180457

The present invention is directed to a single pass medical electrical lead (2). In one embodiment, the lead feature a pair of bipolar electrodes positioned along the lead body so that they are positioned in the ventricle and atrium respectively when the lead (2) is implanted. The lead body features a 90 degree bent reinforced section (5). The bend has a radius of curvature approximately 13 mm and begins approximately 90 mm from the distal end. This curved section is approximately 40 mm in length when straightened. The ventricular electrodes are positioned approximately 28 mm apart. The ventricular cathode electrode is positioned at the distal end of the lead. The atrial electrodes (20 21) are positioned approximately between 5 - 35 mm apart with 28 mm preferred. The atrial anode is located at a position immediately adjacent and proximal the 90 degree bent reinforced section.

L'invention porte sur un conducteur (2) électrique médical à passage unique. Dans un mode de réalisation, ledit conducteur comporte une paire d'électrodes bipolaires placées le long du corps du conducteur de manière à pouvoir se placer respectivement dans le ventricule et dans l'oreillette lorsque le conducteur (2) est implanté. Le corps du conducteur comporte une section renforcée (5) courbée à 90~ dont le rayon de courbure est approximativement 13 mm, et commence à environ 90 mm de l'extrémité distale, et dont la longueur est d'environ 40 mm en ligne droite. Les électrodes ventriculaires sont distantes d'environ 28 mm et la cathode ventriculaire se trouve à l'extrémité distale du conducteur. Les électrodes auriculaires (20, 21) sont distantes de 5 à 35 mm, et de préférence de 28 mm, et l'anode auriculaire est immédiatement adjacente à la section renforcée courbée à 90~ côté proximal.

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