US 11,690,985 B2
Systems and methods for single puncture percutaneous reverse blood flow
Michael Calhoun, Lighthouse Point, FL (US); and Jeff Franco, Plano, TX (US)
Assigned to J.D. FRANCO & CO., LLC, Plano, TX (US)
Appl. No. 16/334,891
Filed by J.D. Franco & Co., LLC, Plano, TX (US)
PCT Filed Sep. 22, 2017, PCT No. PCT/US2017/052901
§ 371(c)(1), (2) Date Mar. 20, 2019,
PCT Pub. No. WO2018/057854, PCT Pub. Date Mar. 29, 2018.
Claims priority of provisional application 62/431,780, filed on Dec. 8, 2016.
Claims priority of provisional application 62/399,354, filed on Sep. 24, 2016.
Prior Publication US 2020/0016381 A1, Jan. 16, 2020
Int. Cl. A61M 27/00 (2006.01); A61B 17/12 (2006.01); A61F 2/01 (2006.01)
CPC A61M 27/002 (2013.01) [A61B 17/1204 (2013.01); A61B 17/12109 (2013.01); A61B 17/12136 (2013.01); A61B 17/12186 (2013.01); A61F 2/014 (2020.05); A61B 2017/12004 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A method of inducing retrograde blood flow, the method comprising:
extending a sheath along a straight path through walls of one of an artery and a vein of a subject, and through an adjacent wall of another one of the artery and the vein, such that a portion of the sheath is positioned within the one of the artery and the vein and a distal end of the sheath is positioned within the another one of the artery and the vein;
inducing retrograde blood flow in the artery; and
delivering the induced retrograde blood flow into the vein of the subject via the sheath.