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Abstract

A disposable atrial-ventricular percutaneous lead is provided which is suitable for carrying out a variety of functions, including endocardial pacing, mapping or diagnosis. The percutaneous lead maintains an isodiametric profile for insertion through a body cavity such as a vein or artery. By manipulation of a proximal end portion of the device, the length of extension of the ventricular electrode assembly can be adjusted, and a longitudinally spaced atrial electrode assembly can be radially expanded, the adjustability of these various assemblies permitting accommodation of a variety of differently sized hearts while retaining an isodiametric configuration for effective pervenous insertion. More than one atrial electrode may be incorporated in the lead to provide for bipolar stimulation and sensing of the atrium.

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First Claim