Assembly for a drug delivery device and drug delivery device
US10668222B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 10, 2015 |
| Grant date | Jun 2, 2020 |
| Priority date | — |
| Expiry date | Feb 7, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M5/31585
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An assembly for a drug delivery device is provided comprising a screw member comprising a thread, the thread including at least two consecutive portions, the portions having different leads. The device further includes a nut member. The assembly is configured such that, in a first portion of the thread, the nut member includes a first position with respect to an axis transversal to the rotational axis and in a second portion of the thread, the nut member includes a second position with respect to the axis transversal to the rotational axis. The nut member is configured to perform a tilting movement from the first position into the second position when the nut member passes from the first portion to the second portion. Furthermore, a drug delivery device comprising the assembly is described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.