Enhanced stylet for drug depot injector
US11759614B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 17, 2020 |
| Grant date | Sep 19, 2023 |
| Priority date | — |
| Expiry date | Mar 1, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M5/31511
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A pellet delivery system is provided that comprises a needle having an inner surface defining a passageway. The needle has a first portion that extends along a longitudinal axis and a curved second portion comprising an opening that is in communication with the passageway. The second portion extends transverse to the longitudinal axis. A pellet is positioned in the passageway. A plunger is slidably positioned in the passageway. The plunger comprises a shaft having a rounded tip configured to push the pellet through the first and second portions and out of the opening without the pellet becoming stuck within the passageway or the opening. Implants, systems, constructs, instruments and methods are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.