Drug delivery device
US12083315B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 27, 2019 |
| Grant date | Sep 10, 2024 |
| Priority date | — |
| Expiry date | Oct 26, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/273
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A drug delivery device (1), comprising a delivery unit (2) in the form of a disposable single use part and a base unit (4) in the form of a reusable part for coupling to the delivery unit (2), the delivery unit comprising a liquid flow system for pumping liquid from a drug vial or cartridge (3) received in the drug delivery device to an outlet of the device for transcutaneous administration of a liquid drug, the base unit including at least a power source and an electronic control system, the delivery unit and base units comprising a releasable locking mechanism including a locking shoulder (30) on the delivery unit that engages a complementary locking shoulder (34) on the base unit. The locking mechanism comprising an unlocking actuator that may be actuated to release the locking shoulder (30) from the complementary locking shoulder (34). The device further comprises a coupling member (8b) on the delivery unit that engages a complementary coupling member (8a) on the base unit, at least one of the coupling member and complementary coupling member comprising at least one elastic arm (10) with a protuberant portion (11) at a free end thereof, the protuberant portion (11) having a rea…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.