US 12,133,735 B2
Electrode catheter
Yuto Iijima, Tokyo (JP)
Assigned to JAPAN LIFELINE CO., LTD., Tokyo (JP)
Appl. No. 17/310,795
Filed by JAPAN LIFELINE CO., LTD., Tokyo (JP)
PCT Filed Mar. 26, 2019, PCT No. PCT/JP2019/012885
§ 371(c)(1), (2) Date Aug. 24, 2021,
PCT Pub. No. WO2020/194511, PCT Pub. Date Oct. 1, 2020.
Prior Publication US 2022/0133203 A1, May 5, 2022
Int. Cl. A61B 5/283 (2021.01); A61B 5/00 (2006.01)
CPC A61B 5/283 (2021.01) [A61B 5/6852 (2013.01); A61B 2560/0468 (2013.01)] 3 Claims
OG exemplary drawing
 
1. An electrode catheter comprising:
a catheter body having a longitudinal axis; and
an electrode unit attached to a distal end portion of the catheter body including a plurality of arm members having electrodes attached thereto and a plurality of regulating units to regulate actions of adjacent ones of the arm members of the plurality of arm members;
wherein each of the plurality of arm members comprises a proximal portion supported by the catheter body in a longitudinal direction and a distal end portion radially protruding from the distal end portion of the catheter body; and
wherein each of the plurality of regulating units is inserted through a proximal portion and extends beyond a distal portion of a respective arm member of the plurality of arm members into a distal and proximal portions of an adjacent arm member of the plurality of arm members to connect between the distal ends of the respective and adjacent arm members such that each of the arm members comprises two respective regulating units of the plurality of regulating units.