US 12,226,141 B2
Thin film mapping catheter
Benjamin K. Yaffe, South San Francisco, CA (US); Bo Lu, South San Francisco, CA (US); Annapurna Karicherla, South San Francisco, CA (US); Ken Rys, South San Francisco, CA (US); and Ohseung Kwon, South San Francisco, CA (US)
Assigned to Verily Life Sciences LLC, Dallas, TX (US)
Appl. No. 17/622,577
Filed by Verily Life Sciences LLC, South San Francisco, CA (US)
PCT Filed Jun. 5, 2020, PCT No. PCT/US2020/036355
§ 371(c)(1), (2) Date Dec. 23, 2021,
PCT Pub. No. WO2020/263534, PCT Pub. Date Dec. 30, 2020.
Claims priority of provisional application 62/867,535, filed on Jun. 27, 2019.
Prior Publication US 2022/0370113 A1, Nov. 24, 2022
Int. Cl. A61B 18/02 (2006.01); A61B 5/00 (2006.01); A61B 18/00 (2006.01)
CPC A61B 18/02 (2013.01) [A61B 5/6853 (2013.01); A61B 2018/00077 (2013.01); A61B 2018/00839 (2013.01); A61B 2018/0212 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A medical device comprising:
a hollow core;
a balloon disposed over at least a portion of the hollow core;
a flexible framework comprising one or more thin film elements formed on at least a portion of the balloon, wherein the one or more thin film elements comprise a plurality of mapping electrodes;
an end cap;
a sheath, wherein the hollow core extends between the end cap and the sheath;
a travel limiter disposed between the one or more thin film elements and the hollow core; and
a pull cable disposed within the sheath and attached to the end cap or the hollow core for retracting the hollow core and anchoring the travel limiter to a distal end of the sheath.