After-use safety system for a syringe with bonded needle and syringe equipped with such a system
US11383046B2 · kind B2 · utility
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10Claims
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Assignee
Inventor
Key dates
| Filing date | Dec 5, 2018 |
| Grant date | Jul 12, 2022 |
| Priority date | — |
| Expiry date | May 19, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M5/3272
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An after-use safety system for a syringe, including a barrel which defines a central axis along which it can move in translation and which includes a radial opening forming a guidance path for a pin, an immobiliser, which is arranged inside the barrel and which includes the pin interacting with the barrel, and a return spring configured to elastically load the barrel forwards with respect to the immobiliser, the immobiliser including a radial stopping means for immobilising the barrel along one axis radial to the central axis when the barrel is forced towards the rear after use of the syringe.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.