Ureteral and bladder catheters and methods of inducing negative pressure to increase renal perfusion
US10918825B2 · kind B2 · utility
0Cited by
121References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 19, 2018 |
| Grant date | Feb 16, 2021 |
| Priority date | — |
| Expiry date | Apr 28, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2230/65
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Ureteral catheters and assemblies are provided including: a proximal portion; and a distal portion, the distal portion including a retention portion, wherein the retention portion includes an inwardly facing side including one or more drainage ports and an outwardly facing side, and wherein, when negative pressure is applied through the ureteral catheter, fluid is drawn into the ureteral catheter through the one or more drainage ports while mucosal tissue is prevented from appreciably occluding the one or more drainage ports.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.