US 12,076,184 B2
Pullwire crown and crown sleeve for catheter assembly
Maritess Minas, San Diego, CA (US); Jeremy Stigall, Carlsbad, CA (US); and Princeton Saroha, Ladera Ranch, 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 Sep. 26, 2022, as Appl. No. 17/953,243.
Application 17/953,243 is a continuation of application No. 16/336,371, granted, now 11,452,496, previously published as PCT/EP2017/074900, filed on Sep. 29, 2017.
Claims priority of provisional application 62/401,686, filed on Sep. 29, 2016.
Prior Publication US 2023/0017754 A1, Jan. 19, 2023
Int. Cl. A61M 25/00 (2006.01); A61B 8/00 (2006.01); A61B 8/12 (2006.01); A61M 25/01 (2006.01)
CPC A61B 8/12 (2013.01) [A61B 8/445 (2013.01); A61M 25/00 (2013.01); A61M 25/0147 (2013.01); A61B 8/4466 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A catheter, comprising:
a flexible elongate member comprising a distal portion and a proximal portion;
a tip member disposed at the distal portion of the flexible elongate member and comprising an ultrasound transducer element;
at least one pullwire extending along the flexible elongate member from the distal portion to the proximal portion; and
a sleeve element disposed at the distal portion, wherein the sleeve element is coupled to the tip member with a first known spatial relationship and to the at least one pullwire with a second known spatial relationship such that an alignment between the ultrasound transducer element of the tip member and the at least one pullwire is fixed during deflection of the tip member in a plurality of directions in response to translation of the at least one pullwire.