Retaining element to prevent break loose contamination for partially pre-filled syringes
US11878148B2 · kind B2 · utility
0Cited by
2References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 23, 2020 |
| Grant date | Jan 23, 2024 |
| Priority date | — |
| Expiry date | May 11, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2207/10
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Syringe assemblies are provided including a partially pre-filled syringe barrel and a plunger rod that incorporates one or more retention elements on the plunger rod that prevents solution from entering a non-sterile area of the syringe when the plunger rod is pulled back. Methods to manufacture a sterilized partially-filled pre-fill syringe assembly are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.