Method for assembling a drive spring and drug delivery device with a spring
US10463801B2 · kind B2 · utility
0Cited by
1References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 9, 2015 |
| Grant date | Nov 5, 2019 |
| Priority date | — |
| Expiry date | Jan 1, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2207/00
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method for assembling a drive spring, especially into a drug delivery device includes rotating a component part to which the drive spring is attached in a first direction, followed by a rotation of the component part in the opposite direction and followed by attachment of a rotational stop. Further, the disclosure includes a drug delivery device for selecting and dispensing a number of user variable doses of a medicament, which device comprises a pre-charged drive spring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.