Needle safety systems
US12121405B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 14, 2022 |
| Grant date | Oct 22, 2024 |
| Priority date | — |
| Expiry date | Jan 23, 2043 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/13
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Tissue access devices and methods of using and making the same are disclosed. The devices can have a needle, a housing having wings, a tube having a flow channel, a tube first extension, and a tube second extension, and a torsion spring having a first coil and a second coil. The first coil can have a first coil first arm and a first coil second arm. The first coil first arm can be shorter than the first coil second arm. The second coil can have a second coil first arm and a second coil second arm. The second coil first arm can be shorter than the second coil second arm. The devices can have a sensor. More energy can stored in the torsion spring when the sensor is in a sensor closed configuration than when the sensor is in a sensor open configuration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.