Methods and devices for vascular access
US11324939B2 · kind B2 · utility
5Cited by
53References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 4, 2021 |
| Grant date | May 10, 2022 |
| Priority date | — |
| Expiry date | May 4, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2039/0036
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Valve assemblies having improved ability to selectively control flow of fluids through the catheter and prevent leakage of fluids from the proximal end of a catheter that is positioned within a patient. Such improved catheter valve assemblies also prevent leakage of fluids after repeated insertion and removal of medical instruments through the valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.