Sensor system
US11565051B2 · kind B2 · utility
3Cited by
1References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 28, 2018 |
| Grant date | Jan 31, 2023 |
| Priority date | — |
| Expiry date | Sep 10, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/502
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The disclosure relates to a sensor system for detecting a position of a movable plunger in a drug delivery device, the sensor system comprising a sensor capable of detecting a magnetic field, the sensor adapted to be fixed within a housing of a drug delivery device, and a ferromagnetic or permanent magnetic component magnetically interacting with the sensor and adapted to move relative to the sensor as the plunger is moved.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.