Conserving power in an injection device
US11771832B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 12, 2018 |
| Grant date | Oct 3, 2023 |
| Priority date | — |
| Expiry date | Jan 7, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/8212
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A drug injection device comprising: a cartridge configured to hold a volume of a drug; one or more processors configured to operate in at least an enabled state and a sleep state, wherein the one or more processors are configured to control an operation of the drug injection device while the one or more processors are in the enabled state; a member disposed in the cartridge, the member including at least two conductive surfaces electrically connected to the one or more processors; and a drive mechanism including a conductive element spaced from the at least two conductive surfaces, wherein the one or more processors are configured to enter the enabled state from the sleep state when the conductive element makes electrical contact with the at least two conductive surfaces.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.