US 11,850,102 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 Feb. 3, 2020, as Appl. No. 16/780,253.
Application 16/780,253 is a continuation of application No. 15/660,446, filed on Jul. 26, 2017, granted, now 10,561,473.
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 2020/0170745 A1, Jun. 4, 2020
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 intravascular device comprising:
a catheter configured to be positioned within a blood vessel of a patient, the catheter defining a lumen; and
a radiopaque wire comprising a single piece of material arranged around the lumen of the catheter to form a plurality of tightly wound sections and a plurality of loosely wound sections,
wherein each tightly wound section is spaced from a nearest tightly wound section by a loosely wound section,
wherein each loosely wound section is spaced from a nearest loosely wound section by a tightly wound section,
wherein each tightly wound section comprises a same first length such that the plurality loosely wound sections comprises an even spacing between one another,
wherein each loosely wound section comprises a same second length such that the plurality of tightly wound sections comprises an even spacing between one another, and
wherein the second length is longer than the first length.