Needle unit for drug delivery device
US10406298B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 19, 2016 |
| Grant date | Sep 10, 2019 |
| Priority date | — |
| Expiry date | Apr 27, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/273
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention provides an injection needle unit (10) comprising: a needle assembly (20) comprising: an injection needle (25) extending along a longitudinal axis and having a distal needle end configured for insertion into a subject and a proximal needle end configured for penetration of a reservoir septum, and a skirt (22) surrounding the proximal needle end and defining a receiving space (28) for reception of a needle mount of a drug delivery device, the skirt (22) comprising a slot (24), and a block structure (32) supported exteriorly of the skirt (22), wherein the block structure (32) is biased towards the longitudinal axis and is capable of radial displacement through the slot (24) from a latched position outside the receiving space (28) to a released position within the receiving space (28).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.