A - Human Necessities – 61 – N
Patent
A - Human Necessities
61
N
A61N 1/05 (2006.01)
Patent
CA 2321757
An intravenous lead for use with a cardiac device for implantation in the coronary venous system of the heart includes a lead body (10) that is adapted to be routed through the vascular system into the coronary sinus with the distal end portion of the lead placed in the great cardiac vein (12) or branch vein. The lead body (10) includes a preformed section disposed just proximal of its tip so that the lead body exhibits a two-dimensional wave having peaks (22), and valleys (24) for contacting the endothelial layer of the vein (12) at discrete, longitudinally spaced points to stabilize the electrode (20) against displacement.
L'invention porte sur un conducteur intraveineux, associé à un instrument de cardiologie, s'implantant dans le système veineux coronaire et comprenant une âme s'introduisant via le système vasculaire dans le sinus coronaire, son extrémité distale venant se placer dans la grande veine coronaire (12) ou dans une de ses ramifications. L'âme (10) comporte immédiatement en amont de son extrémité une partie préformée en accordéon présentant des pics (22) et des vallées (24) en contact avec l'endothélium (12) de la veine en des points espacés longitudinalement pour empêcher les déplacements de l'électrode (20).
Chastain Stuart E.
Tockman Bruce A.
Westlund Randy W.
Cardiac Pacemakers Inc.
Ridout & Maybee Llp
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