Muscle wire escapement activation assembly for a drug delivery device
US12042642B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 17, 2019 |
| Grant date | Jul 23, 2024 |
| Priority date | — |
| Expiry date | Sep 7, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/52
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Drug delivery devices are described that include an escapement activation assembly. The escapement activation assembly includes a slide having a plurality of pallet engagement portions and a switch engagement portion and a pallet having a plurality of slide engagement portions. A drive is coupled to the pallet to cause the pallet to move relative to the slide to move the plurality of slide engagement portions into and out of engagement with the plurality of pallet engagement portions to allow the slide to move along a path within the drug delivery device. Movement of the slide can cause the switch engagement portion to move out of engagement with an activation trigger of a mechanism of the drug delivery device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.