Delivery devices for therapeutic substances
US12296154B2 · kind B2 · utility
0Cited by
2References
45Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 26, 2023 |
| Grant date | May 13, 2025 |
| Priority date | — |
| Expiry date | Jun 6, 2043 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M5/31586
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
In some embodiments, a delivery device includes a device actuator and a cannula portion through which a therapeutic substance is ejected. The cannula portion includes an outer shaft, a needle that is configured to move through the outer shaft, and a plunger that is configured to move through the needle, forming a positive displacement arrangement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.