System and method for visualizing electrophysiology data

Patent metadata

Field	Value
Publication number	US-9662033-B2
Application number	US-201414587964-A
Country	US
Kind code	B2
Filing date	Dec 31, 2014
Priority date	Dec 31, 2014
Publication date	May 30, 2017
Grant date	May 30, 2017

Abstract

A method and system for visualization of electrophysiology information sensed by electrodes on a catheter, includes recording times of electrode signal acquisition, designating a reference electrode signal acquisition, assigning a relative time to each recorded time of electrode signal acquisition relative to the reference electrode signal acquisition, identifying the electrodes with signal acquisition, correlating assigned relative times to identified electrodes to generate a sequence of electrode signal acquisitions, and generating a visual representation of the sequence of electrode signal acquisitions generating a visual representation with a graphical image of the electrodes, wherein individual electrodes are visually marked to represent the sequence of electrode signal acquisitions.

First claim

What is claimed is:

1. A method for visualization of electrophysiology information sensed by electrodes on a catheter, comprising:
recording times of electrode signal acquisitions;
identifying the electrodes with signal acquisition;
designating a reference electrode signal acquisition;
assigning a relative time to each recorded time of electrode signal acquisition relative to the reference electrode signal acquisition;
correlating assigned relative times to identified electrodes to generate a sequence of electrode signal acquisitions; and
generating a visual representation on a display with a plurality of separate images shown in series to represent a progression of the sequence of electrode signal acquisitions, each of the plurality of separate images including a graphical image of the electrodes, wherein individual electrodes are visually marked to represent the sequence of electrode signal acquisitions.

2. The method of claim 1 , wherein each of the plurality of separate images shows a different electrode visually marked.

3. The method of claim 1 , wherein each of the plurality of separate images shows at least one different electrode visually marked.

4. The method of claim 1 , wherein the catheter has shaft sections, each shaft section extending between an adjacent pair of electrodes, the method further comprising:
assigning a relative time to each shaft section in accordance with relative times of its adjacent pair of electrodes; and
correlating the relative time of each shaft section with the relative times of its adjacent pair of electrodes,
wherein the generating a visual representation includes providing a graphical image of each shaft section, and visually marking individual shaft sections in accordance with the sequence.

5. The method of claim 1 , wherein the identifying the electrodes with signal acquisition includes identifying lead wires of the electrodes.

6. The method of claim 1 , further comprising receiving data on electrode configuration.

7. The method of claim 1 , further comprising adjusting time scale of the visual representation in response to a user's selected time scale.

8. The method of claim 1 , wherein the generating a visual representation on a display of the sequence of electrode acquisitions includes the sequence of electrode acquisitions of one or more cardiac cycles.

9. The method of claim 8 , wherein the generating a visual representation on a display includes the sequence of electrode acquisitions of a user's selected cardiac cycle.

10. A method for visualization of electrophysiology information collected by a catheter with a plurality of electrodes, wherein each electrode is adapted to acquire an electrical signal, the method comprising:
receiving data on electrode configuration of the catheter;
recording times of electrical signal acquisitions by the electrodes;
designating an earliest of the electrical signal acquisitions as a reference;
assigning a relative time to each recorded time relative to the reference;
identifying the electrodes with electrical signal acquisition in accordance with the data on electrode configuration;
correlating assigned relative times to identified electrodes to generate a sequence of electrode acquisitions; and
generating a visual representation on a display of the sequence of electrode acquisitions, the visual representation including a plurality of separate images shown in series to represent a progression of the sequence of electrode signal acquisitions, each of the plurality of separate images including a graphical image of the electrodes, wherein individual electrodes are visually marked to represent the sequence of electrode signal acquisitions.

11. The method of claim 10 , wherein the catheter includes shaft sections, each shaft section extending between an adjacent pair of acquiring electrodes, the method further comprising:
assigning a relative time to each shaft section in accordance with relative times of its adjacent pair of acquiring electrodes; and
correlating the relative time of each shaft section and the relative times of its adjacent pair of acquiring electrodes,
wherein the generating a visual representation on a display includes providing a graphical image of each shaft section, and visually marking individual shaft sections in accordance with the sequence.

12. The method of claim 10 , wherein the identifying electrodes with electrical signal acquisition includes identifying lead wires of electrodes with electrical signal acquisition.

13. The method of claim 10 , wherein the catheter includes shaft subsections, each shaft subsection extending between an adjacent pair of acquiring electrodes, the method further comprising:
assigning a relative time to each shaft subsection in accordance with relative times of its adjacent pair of acquiring electrodes and its location between the adjacent pair; and
correlating the relative time of each shaft subsection and the relative times of its adjacent pair of acquiring electrodes,
wherein the generating a visual representation on a display includes providing a graphical image of each shaft subsection, and visually marking individual shaft subsections in accordance with the sequence.

14. The method of claim 13 , wherein the assigning a relative time to each shaft subsection includes assigning a weighted relative time.

15. The method of claim 14 , wherein the weighted relative time depends on a location of the shaft subsection between the adjacent pair of acquiring electrodes.

16. A method for visualization of electrophysiology information sensed by electrodes on a catheter, comprising:
receiving signals acquired by the electrodes;
recording times of electrode signal acquisition;
designating a reference electrode signal acquisition;
assigning a relative time to each recorded time of electrode signal acquisition relative to the reference electrode signal acquisition;
identifying the electrodes with signal acquisition;
correlating assigned relative times to identified electrodes to generate a sequence of electrode signal acquisitions; and
generating a visual representation on a display of the sequence of electrode signal acquisitions wherein the visual representation includes a plurality of separate images shown in series to represent a progression of the sequence of electrode signal acquisitions, each of the plurality of separate images including graphical images of the electrodes, and individual electrodes are visually marked to represent the sequence of electrode signal acquisitions.

17. A system for collecting and visualizing electrophysiology information, comprising:
a catheter with electrodes adapted to acquire signals;
a signal processing unit configured to receive intracardiac signal acquisitions by a plurality of electrodes, and identify the electrodes with intracardiac signal acquisitions;
a timer configured to time the intracardiac signal acquisitions and identify a reference time to an earliest intracardiac signal acquisition;
a control unit configured to assign relative times to the intracardiac signal acquisitions relative to the reference time and to correlate assigned relative times to identified electrodes to generate a sequence of signal acquistions; and
a display configured to display the sequence of signal acquisitions in a plurality of separate images shown in series to represent a progression of the sequence of signal acquisitions, each of the plurality of images including a graphical image of at least the electrodes, wherein individual electrodes are visually marked to represent the sequence of

Assignees

• Biosense Webster Israel Ltd

Inventors

• Severino Thomas Michael

Classifications

• A61B5/7246 Primary

  using correlation, e.g. template matching or determination of similarity · CPC title

• A61B5/367

  Electrophysiological study [EPS], e.g. electrical activation mapping or electro-anatomical mapping · CPC title

• A61B5/339 Primary

  Displays specially adapted therefor · CPC title

• A61B5/0432

  Human Necessities · mapped topic

• A61B5/04012

  Human Necessities · mapped topic