Patent ID: 8818485
Filing Date: 2014-08-26
Classification: A61B,A61M,Y10T

Abstract:
1. A medical probe, comprising: a flexible insertion tube, having a distal end for insertion into a body cavity of a patient; a distal tip, which is disposed at the distal end of the insertion tube and is configured to be brought into contact with tissue in the body cavity; a coupling member, which couples the distal tip to the distal end of the insertion tube and comprises a tubular piece of a superelastic alloy having a helical cut therethrough along a portion of a length of the piece; a position sensor within the distal tip, the position sensor being configured to generate a signal in response to a magnetic field, and wherein the signal is indicative of a position of the distal tip; and a magnetic field generator within the distal end of the insertion tube for generating the magnetic field.