Methods and apparatuses for remodeling tissue of or adjacent to a body passage

摘要

Medical devices and methods for making and using the same are disclosed. An example medical device may include a catheter. The catheter may include an elongate flexible catheter body. An expandable structure may be associated with the catheter body and may include a radially expandable balloon and a plurality of flexible circuits extending along an outer surface of the balloon. Each flexible circuit may include at least one electrode and at least one temperature sensor. The expandable structure may have an outer diameter of less than 4 mm when in an expanded configuration.

主权项

1. A catheter, comprising:
an elongate flexible catheter body; and an expandable structure associated with the catheter body and including a radially expandable balloon and a plurality of flexible circuits extending along an outer surface of the balloon, each flexible circuit including at least one electrode and at least one temperature sensor; wherein at least a portion of the outer surface of the balloon includes a flexible polyimide film; wherein the flexible polyimide film defines a base insulative layer of the plurality of flexible circuits; and wherein the expandable structure has an outer diameter of less than 4 mm when in an expanded configuration.