Systems and methods for treatment of fluid overload
US11357959B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 12, 2018 |
| Grant date | Jun 14, 2022 |
| Priority date | — |
| Expiry date | Aug 10, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2230/30
- WIPO fieldMedical technology
- WIPO sectorInstruments
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.