US 12,232,908 B2
Lined variable braided differential durometer multi-lumen shaft with a cross-shaped inner profile
Jeremy Stigall, Carlsbad, CA (US); Princeton Saroha, Ladera Ranch, CA (US); and Maritess Minas, San Diego, CA (US)
Assigned to Philips Image Guided Therapy Corporation, San Diego, CA (US)
Filed by PHILIPS IMAGE GUIDED THERAPY CORPORATION, San Diego, CA (US)
Filed on May 22, 2023, as Appl. No. 18/200,353.
Application 18/200,353 is a continuation of application No. 16/336,511, granted, now 11,653,895, previously published as PCT/EP2017/074151, filed on Sep. 25, 2017.
Claims priority of provisional application 62/401,464, filed on Sep. 29, 2016.
Prior Publication US 2023/0293148 A1, Sep. 21, 2023
Int. Cl. A61B 8/00 (2006.01); A61B 8/12 (2006.01)
CPC A61B 8/12 (2013.01) [A61B 8/445 (2013.01)] 11 Claims
OG exemplary drawing
 
1. An apparatus, comprising:
an intracardiac echocardiography (ICE) catheter comprising:
a catheter shaft comprising a proximal portion, a distal portion, and a cross-shaped lumen, wherein the cross-shaped lumen comprises a plurality of arms;
an ultrasound transducer array positioned at the distal portion of the catheter shaft and configured to image a heart of a patient;
an electrical cable coupled to the ultrasound transducer array and configured to carry signals associated with the ultrasound transducer array, wherein the electrical cable extends within the cross-shaped lumen; and
a plurality of pullwires positioned outside the cross-shaped lumen and configured to deflect the distal portion of the catheter shaft, each of the plurality of pullwires positioned between a pair of adjacent arms of the plurality of arms of the cross-shaped lumen.