Medical delivery devices having low lubricant hydrophobic syringe barrels
US12246169B2 · kind B2 · utility
0Cited by
19References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 26, 2019 |
| Grant date | Mar 11, 2025 |
| Priority date | — |
| Expiry date | May 28, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/0238
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present disclosure relates to medical delivery devices that include a barrel having an inner surface that is hydrophobic. The medical delivery device includes a barrel with a hydrophobic inner surface and a stopper that can provide air and liquid impermeability while also possessing on or more of: a low break loose force, a low average glide force, and a low glide force variation. The contact angle of the inner surface of the barrel is greater than 90°.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.