Dose capturing cartridge module for drug delivery device
US10201664B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 19, 2014 |
| Grant date | Feb 12, 2019 |
| Priority date | — |
| Expiry date | Apr 4, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/52
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An electronic logging unit adapted to be housed in a drug-filled cartridge having an axially displaceable piston and an outer cavity formed between the piston and the cartridge proximal opening, the logging unit comprising a general axis, a first distal portion adapted to engage the cartridge piston, and a second proximal portion adapted to engage a rotating element having a rotational axis corresponding to the general axis. The unit is provided with sensor means adapted to detect the amount of relative rotation between the first and second portions, and storage means adapted to store data representing detected amounts of relative rotation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.