Shock absorber for injection devices
US12233245B2 · kind B2 · utility
0Cited by
3References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 18, 2019 |
| Grant date | Feb 25, 2025 |
| Priority date | — |
| Expiry date | Jul 12, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16F9/3228
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present application relates to shock absorbers for injection devices. According to a first aspect, this specification discloses an injection device including: a medicament container; a stopper translatably disposed within the medicament container; and a plunger rod including: a plunger rod body; and a shock absorber, wherein the plunger rod is operable to displace the stopper; and wherein the shock absorber contacts the stopper during displacement of the stopper by the plunger rod, thereby reducing an impact force between the plunger rod and the stopper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.