US 11,696,793 B2
Vascular ablation
Edward Anderson, Maple Grove, MN (US); Adam Tschida, Brooklyn Park, MN (US); Randy Beyreis, Andover, MN (US); Scott Nelson, Mission Viejo, CA (US); JiChao Sun, Santa Rosa, CA (US); Laura Ortega, Fridley, MN (US); Joe Duerr, Andover, MN (US); Ae-Suk Pauling, St. Michael, MN (US); Dannah Dean, Minnetonka, MN (US); Doug Krone, Rogers, MN (US); and Brady Hatcher, Rogers, MN (US)
Assigned to Crossfire Medical Inc, Dover, DE (US)
Filed by Crossfire Medical Inc, Dover, DE (US)
Filed on Mar. 17, 2022, as Appl. No. 17/697,739.
Claims priority of provisional application 63/270,547, filed on Oct. 21, 2021.
Claims priority of provisional application 63/255,385, filed on Oct. 13, 2021.
Claims priority of provisional application 63/163,728, filed on Mar. 19, 2021.
Prior Publication US 2022/0296291 A1, Sep. 22, 2022
Int. Cl. A61M 5/142 (2006.01); A61B 18/00 (2006.01); A61M 25/10 (2013.01); A61B 18/06 (2006.01); A61B 1/06 (2006.01); A61B 17/00 (2006.01)
CPC A61B 18/06 (2013.01) [A61M 5/14236 (2013.01); A61B 2017/00323 (2013.01); A61B 2018/0019 (2013.01); A61B 2018/00065 (2013.01); A61B 2018/00202 (2013.01); A61B 2018/00404 (2013.01); A61B 2218/002 (2013.01); A61M 2025/1086 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A vein ablation system, comprising:
a catheter having an elongated body;
an ablation device at a distal portion of the elongated body; and
a control device at a proximal portion of the elongated body, the control device comprising:
an input mechanism configured to simultaneously control:
an infusion of a chemical agent into a target vessel;
a longitudinal translation of the ablation device through the target vessel;
and
a dual coaxial worm gear comprising a first worm gear configured to drive the longitudinal translation and a second worm gear configured to infuse the chemical agent.