Electrode ablation balloon catheter

Abstract

Methods, systems, and devices for providing treatment to a tissue in body lumens are described. The system may include a support shaft, an expansion member coupled with a distal portion of the support shaft, and an ablation structure wrapped around the expansion member less than a circumference of the expansion member configured to engage the body lumens with varying sizes. The ablation structure may include multiple separately wired or separately controlled longitudinal electrodes, longitudinal electrode zones, or both, such that each longitudinal electrode or longitudinal electrode zone may be selectively enabled or selectively disabled. The expansion member may include a single highly-compliant balloon, a single non-compliant balloon, multiple non-compliant balloons, or a multi-chambered non-compliant balloon.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit and priority of US Provisional Application Serial No. 61 / 895,678, filed October 25, 2013, which is hereby incorporated by reference in its entirety. Background technique [0003] There are many internal bodily lumens or cavities in the human body, such as different parts of the gastrointestinal tract, many of which have linings or layers. Body lumens may include, for example, the esophagus, small and large intestines, stomach, post-bariatric surgery remnants, rectum, and anus. These linings can be prone to illness. In some cases, different ablation techniques are utilized with respect to the lining to prevent the spread of disease to otherwise healthy tissue located nearby. [0004] Internal body lumens may be of different sizes relative to each other or to different patients. Accordingly, different sized devices can be utilized to accommodate these different sized lumens. However,...

AI Technical Summary

Problems solved by technology

However, this may involve the use of multiple devices, such as multiple sizing devices and / or treatment devices, which may not be efficient or cost-effective

Furthermore, previous protocols often did not have the flexibility to reduce or eliminate overablation in body lumens of different diameters

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