US 12,295,586 B2
Device for closing a vein juncture in the treatment of varicose veins
Thomas Erpen, Visp (CH)
Assigned to GEFÄSSPRAXIS DR. ERPEN AG, Visp (CH)
Filed by Gefässpraxis Dr. Erpen AG, Visp (CH)
Filed on May 5, 2021, as Appl. No. 17/308,770.
Claims priority of application No. 20173475 (EP), filed on May 7, 2020.
Prior Publication US 2021/0346034 A1, Nov. 11, 2021
Int. Cl. A61B 17/12 (2006.01); A61B 17/00 (2006.01); A61B 17/3207 (2006.01); A61L 31/00 (2006.01); A61M 25/10 (2013.01)
CPC A61B 17/12177 (2013.01) [A61B 17/00491 (2013.01); A61B 17/12031 (2013.01); A61B 17/12109 (2013.01); A61B 17/12136 (2013.01); A61B 17/320725 (2013.01); A61L 31/005 (2013.01); A61B 2017/00778 (2013.01); A61B 2017/00951 (2013.01); A61B 2017/1205 (2013.01); A61M 2025/1056 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A device for closing a vein juncture in the treatment of varicose veins, the device comprising:
a catheter to be inserted into a venous system;
an expandable balloon which is disposed at a distal end of the catheter, the expandable balloon being permanently attached to the catheter;
a covering which is disposed circumferentially on the expandable balloon and configured to be expanded by said expandable balloon, the covering extending from a proximal covering end to a distal covering end, the proximal covering end being configured to be open, the covering being closed at the distal covering end, the covering on the expandable balloon having a maximum width of 0.5-1.5 cm in an expanded state, and an average thickness of at most 0.7 mm in a non-expanded state; and
at least one adhesion agent configured to act on the covering when expanded such that the covering adheres to a vein wall in order to close the vein juncture,
wherein the catheter includes:
a first channel which fluidically connects a connection at a proximal end of the catheter to the expandable balloon, and
a second channel which extends from an inlet opening at the proximal end of the catheter to an outlet opening at the distal end of the catheter and is configured to accommodate a guide wire.