Expandable support structure for delivery through a working channel

摘要

Methods, systems, and devices for providing treatment to a target site are described. The system may include a guide assembly, an expandable support device coupled with the distal end of the guide assembly, and an operative member disposed on the expandable support device. The expandable support device may be configured to transition between a collapsed and expanded configuration. The expandable support device may be supported by one or more flexible supports aligned in parallel with an axis about which the expandable support device collapses and/or multiple splines arranged in a pattern configured to promote transitioning of the expandable support device between an expanded and collapsed configuration. The guide assembly may be configured to provide torque to the expandable support device. The operative member can include multiple electrodes arranged in parallel to the axis about which the expandable support device collapses.

主权项

1. An expandable support device configured for delivery through a working channel and to a target treatment area comprising:
an expandable support member configured to support a flexible circuit, the expandable support member comprising a plurality of splines having a width and a spacing selected to promote expansion of the expandable support member between a collapsed configuration and an expanded configuration, wherein the expandable support member and the plurality of splines are formed from a metallic material and, wherein the expandable support member defines a substantially planar surface in the expanded configuration; and the flexible circuit configured for enemy delivery and supported by the expandable support member, wherein the flexible circuit extends substantially across an entire width of the expandable support member.