Single use delivery device having a primer element
US11865322B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 11, 2021 |
| Grant date | Jan 9, 2024 |
| Priority date | — |
| Expiry date | Apr 1, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/0019
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A single use delivery device is disclosed having a manually deformable liquid container defining an inner chamber, the container having a distal end, a body, a proximal end, and an outlet on the distal end; a tip projecting from the outlet on the distal end of the container, the tip in fluid communication with the inner chamber of the container; a primer element for removing one or more air bubbles from the chamber, said primer element being attached to and in fluid communication with the deformable container, the container, the tip and the primer element being collapsible to minimize dead space in the delivery device; and two or more one-way valves. A method of administering a fluid to or flushing a vascular access device using a single use pre-filled delivery device as described herein is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.