US 12,004,804 B2
Basket catheter with mushroom shape distal tip
Assaf Govari, Haifa (IL); Christopher Thomas Beeckler, Brea, CA (US); Joseph Thomas Keyes, Sierra Madre, CA (US); Kevin Justin Herrera, West Covina, CA (US); and Alexander David Squires, Duarte, CA (US)
Assigned to Biosense Webster (Israel) Ltd., Yokneam (IL)
Filed by Biosense Webster (Israel) Ltd., Yokneam (IL)
Filed on Sep. 9, 2021, as Appl. No. 17/470,751.
Prior Publication US 2023/0075838 A1, Mar. 9, 2023
Int. Cl. A61B 18/14 (2006.01); A61B 18/12 (2006.01); A61B 18/00 (2006.01)
CPC A61B 18/1492 (2013.01) [A61B 18/1206 (2013.01); A61B 2018/00077 (2013.01); A61B 2018/00267 (2013.01); A61B 2018/00357 (2013.01); A61B 2018/00577 (2013.01); A61B 2018/00613 (2013.01); A61B 2018/1467 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A medical probe, comprising:
an insertion tube configured for insertion into a body cavity of a patient;
a basket assembly having a proximal end that is connected distally to the insertion tube and comprising a plurality of resilient spines, which are configured to bow radially outward from an axis of the basket assembly and are conjoined at a distal end of the basket assembly;
an axial electrode attached to the plurality of resilient spines and disposed at the distal end of the basket assembly, the axial electrode configured to contact tissue in the body cavity and comprising:
a circular shape with a rounded surface;
a diameter of at least 1.5 millimeters;
a thickness of at least 20% of the diameter; and
sides having a radius of curvature of at least 25% and at most 50% of the thickness; and
a plurality of radial electrodes disposed on the plurality of resilient spines which are configured to contact the tissue in the body.