Drug delivery device
US11458247B2 · kind B2 · utility
0Cited by
59References
37Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 9, 2016 |
| Grant date | Oct 4, 2022 |
| Priority date | — |
| Expiry date | Nov 9, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2202/0007
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A drug delivery device includes a blunt cannula and a reservoir. The blunt cannula has a cylindrical wall that defines an axial passage between a first end and a second end of the blunt cannula. The wall has at least a first tapered region at the first end to define an opening in fluid communication with the axial passage and adapted at the first end to resist interruption of fluid flow through the axial passage and out of the first end of the blunt cannula. The reservoir is connected to the second end of the blunt cannula.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.