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1. (WO2018083537) SYSTEMS AND METHODS FOR TREATMENT OF FLUID OVERLOAD

Pub. No.:    WO/2018/083537    International Application No.:    PCT/IB2017/001488
Publication Date: Sat May 12 01:59:59 CEST 2018 International Filing Date: Wed Nov 01 00:59:59 CET 2017
IPC: A61M 1/34
A61M 1/36
A61M 25/00
A61M 25/10
A61M 27/00
A61M 5/00
A61M 5/142
A61M 5/172
A61M 25/085
A61M 25/082
A61M 31/00
Applicants: WHITE SWELL MEDICAL LTD
Inventors: NITZAN, Yaacov
RAZ, Sagi
CHEN, Shani
INBAR, Or
Title: SYSTEMS AND METHODS FOR TREATMENT OF FLUID OVERLOAD
Abstract:
Various systems and methods are provided for reducing pressure at an outflow of a duct, such as the thoracic duct or the lymphatic duct, for example, the right lymphatic duct. A catheter system can be configured to be at least partially implanted within a vein of a patient in the vicinity of an outflow port of a duct of the lymphatic system. The catheter system includes first and second selectively deployable restriction members each configured to be activated to at least partially occlude the vein within which the catheter is implanted and to thus restrict fluid within a portion of the vein. The catheter system includes an impeller configured to be driven by a motor to induce a low pressure zone between the restriction members by causing blood to be pumped through the catheter when the restriction members occlude the vein.