Retractable needle syringe
US10765815B2 · kind B2 · utility
0Cited by
97References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 30, 2015 |
| Grant date | Sep 8, 2020 |
| Priority date | — |
| Expiry date | Aug 16, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2005/3242
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A pneumatically activated retractable-needle syringe comprising a syringe barrel, a plunger, a needle, a needle hub, a locking tip, a propellant gas release cell and a rupture mechanism is provided. The plunger has a retraction lumen defined therein for receiving the needle when the retractable-needle syringe is actuated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.