System and method of recording and displaying in context of an image a location of at least one point-of-interest in a body during an intra-body medical procedure

• US 20040006268A1
• Filed: 05/27/2003
• Published: 01/08/2004
• Est. Priority Date: 09/24/1998
• Status: Abandoned Application

• Current Assignee: Super Dimension Limited Was Filed In Parent Case
• Original Assignee: Super Dimension Limited Was Filed In Parent Case
• Inventors: Gilboa, Pinhas, Tolkowsky, David, Hollander, David
• Application Number:
  US10/445,357
• Publication Number:
  US 20040006268A1
• Time in Patent Office: Days
• US Class Current: 600/424
• CPC Class Codes: A61B 5/06 Devices, other than using radiation, for detecting or locating foreign bodies for removing same A61B17/50 ; determining position of probes within or on the body of the patient
• CPC Class Codes: A61B 5/061 Determining position of a probe within the body employing means separate from the probe, e.g. sensing internal probe position employing impedance electrodes on the surface of the body A61B1/00158 takes precedence
• CPC Class Codes: A61B 5/062 using magnetic field
• CPC Class Codes: A61B 90/36 Image-producing devices or illumination devices not otherwise provided for

Abstract

A method of displaying at least one point-of-interest of a body during an intra-body medical procedure. The method is effected by (a) establishing a location of the body; (b) establishing a location of an imaging instrument being for imaging at least a portion of the body; (c) defining at least one projection plane being in relation to a projection plane of the imaging instrument; (d) acquiring at least one point-of-interest of the body; and (e) projecting said at least one point-of-interest on said at least one projection plane; such that, in course of the procedure, the locations of the body and the imaging instrument are known, thereby the at least one point-of-interest is projectable on the at least one projection plane even in cases whereby a relative location of the body and the imaging instrument are changed.

Claims

1. A method for navigating a catheter to a point of interest located in a body cavity within a living body, the method comprising:

(a) providing a position measuring system including a plurality of position sensor elements, said position measuring system measuring a position of each of said plurality of position sensor elements within a three dimensional frame of reference;

(b) providing a flexible, steerable catheter, at least one of said position sensor elements being located near a distal tip of the catheter in a configuration sufficient to provide measurement of location and angular position of said distal tip relative to the three-dimensional frame of reference;

(c) attaching at least one of said position sensor elements to the living body in a configuration sufficient to provide measurement of location and angular position of the living body relative to the three-dimensional frame of reference;

(d) designating the location of at least one point of interest relative to the three-dimensional frame of reference;

(e) navigating the catheter into the living body;

(f) monitoring by use of said position measuring system the positions of both the distal tip of said catheter and the living body;

(g) displaying a two-dimensional image including a representation of the distal tip of said catheter and a representation of said at least one point of interest; and

(h) adjusting the image so that the image remains indicative of a geometrical relation between the distal tip of said catheter and said at least one point-of interest when both said distal tip and the living body move relative to the three-dimensional frame of reference.