US 11,806,094 B2
Catheter motion trace visualization
Amiram Sheiner, Zichron yaakov (IL); Assaf Cohen, Kiryat Bialik (IL); Ilya Shtirberg, Nesher (IL); and Maxim Galkin, Haifa (IL)
Assigned to Biosense Webster (Israel) Ltd., Yokeam (IL)
Filed by BIOSENSE WEBSTER (ISRAEL) LTD., Yokneam (IL)
Filed on Mar. 5, 2020, as Appl. No. 16/809,654.
Claims priority of provisional application 62/828,925, filed on Apr. 3, 2019.
Prior Publication US 2020/0315714 A1, Oct. 8, 2020
Int. Cl. A61B 34/20 (2016.01); A61B 34/00 (2016.01); A61B 90/00 (2016.01); A61B 18/14 (2006.01); A61M 25/01 (2006.01); A61B 34/10 (2016.01); A61B 18/00 (2006.01)
CPC A61B 34/25 (2016.02) [A61B 18/1492 (2013.01); A61B 34/20 (2016.02); A61B 90/37 (2016.02); A61M 25/0105 (2013.01); A61B 2018/00357 (2013.01); A61B 2018/00577 (2013.01); A61B 2034/105 (2016.02); A61B 2034/252 (2016.02); A61B 2090/367 (2016.02); A61M 25/0127 (2013.01); A61M 2025/0166 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A method for monitoring a medical procedure, comprising:
applying energy to a probe that is in contact with tissue in a cavity within a body of a living subject so as to ablate the tissue;
while applying the energy, receiving, by a processor, signals from a location transducer in the probe, which are indicative of a location of the probe in the cavity;
processing the signals so as to derive three-dimensional (3D) location coordinate points corresponding to the location of the probe at a sequence of times during which the energy was applied;
rendering to a display a 3D representation of the body cavity, and superimposing on the 3D representation visual indicators corresponding to the 3D location coordinate points at the sequence of times together with a linear trace connecting the coordinate points in accordance with the sequence;
counting, during the sequence of times, respective numbers of instances of each of the 3D location coordinate points; and
rendering a bounding sphere having a surface that encloses the visual indicators, wherein rendering the bounding sphere comprises centering the bounding sphere at a graph location in the 3D representation corresponding to 3D location point having a highest number of the instances.