STEERING CONTROL MECHANISM FOR CATHETER

摘要

This document relates to catheter-based therapeutic apparatus and methods for directing therapy within the body of a subject. This document also encompasses a control handle comprising a steering assembly and a delivery assembly suitable for use in conjunction with the catheter-based therapeutic apparatus to provide steering and fine positional control of the catheter tip.

主权项

1. An apparatus, suitable for use as a percutaneous or endoscopic catheter, the apparatus comprising:
a. an elongate shaft that comprises a proximal end and a distal end, wherein the elongate shaft defines at least one central lumen; b. at least one steering member that is located within the at least one central lumen and extends along the elongate shaft from the proximal end to an anchor point at the distal end; c. a steering assembly that is located at or near to the proximal end of the elongate shaft; and d. a handle that comprises a proximal end and a distal end; wherein the steering assembly is comprised at the distal end of the handle and at least a portion of the steering member passes through the central axis of the steering assembly.