Self-contained auto-injector
US11617833B2 · kind B2 · utility
3Cited by
10References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 22, 2020 |
| Grant date | Apr 4, 2023 |
| Priority date | — |
| Expiry date | May 22, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2005/3022
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A drug self-delivery device comprising a body portion containing a drug vial and a needle assembly, where the body portion is slidably engaged to a trigger portion. When engaged by a user pressing the trigger portion against the user's flesh, the needle assembly relative to the drug vial so as to align a needle port with an integral drug delivery port connected to the drug vial thereby allowing fluid flow of medication through the needle. Seals engaged by a penetration spring prevent loss of medication and prevent the need for direct connection between the needle assembly and the drug vial.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.