US 12,402,971 B2
Device, system, and method utilizing a radiopaque element for anatomical lesion length estimation
Jeremy Stigall, Carlsbad, CA (US); Chris LeBlanc, Carlsbad, CA (US); and Kazuo Sasamine, Lemon Grove, 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 Apr. 8, 2024, as Appl. No. 18/629,513.
Application 18/629,513 is a continuation of application No. 17/739,228, filed on May 9, 2022, granted, now 11,950,965.
Application 17/739,228 is a continuation of application No. 16/780,253, filed on Feb. 3, 2020, granted, now 11,850,102, issued on Dec. 26, 2023.
Application 16/780,253 is a continuation of application No. 15/660,446, filed on Jul. 26, 2017, granted, now 10,561,473, issued on Feb. 18, 2020.
Application 15/660,446 is a continuation of application No. 13/973,773, filed on Aug. 22, 2013, granted, now 9,743,992, issued on Aug. 29, 2017.
Claims priority of provisional application 61/692,603, filed on Aug. 23, 2012.
Prior Publication US 2024/0252273 A1, Aug. 1, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. A61B 90/00 (2016.01); A61M 25/01 (2006.01)
CPC A61B 90/06 (2016.02) [A61B 90/39 (2016.02); A61M 25/0108 (2013.01); A61B 2090/061 (2016.02); A61B 2090/3937 (2016.02); A61B 2090/3966 (2016.02)] 12 Claims
OG exemplary drawing
 
1. An apparatus comprising:
a catheter defining a lumen; and
a radiopaque wire comprising a single piece of material arranged around the lumen of the catheter to form:
a first section and a third section that each comprises:
a same first length; and
a tightly wound portion of the single piece of material forming a radiopaque marker; and
a second section and a fourth section that each comprises a same second length that is longer than the first length,
wherein the second section is positioned between the first section and the third section such that the first section and the third section are spaced from one another by the second length,
wherein the third section is positioned between the second section and the fourth section, such that the second section and the fourth section are spaced from one another by the first length.