Injector module for a syringe and pre-filled syringe provided therewith
US5779683A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 29, 1995 |
| Grant date | Jul 14, 1998 |
| Priority date | — |
| Expiry date | Nov 29, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M5/3243
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An injector module (40) and a one- or two-component syringe comprising the same, the module including a cylindrical barrel (41), a needle (43) extending from the end thereof, and a protective sleeve (42) for said needle. The sleeve consists of a single rigid member axially slidable over the cylindrical barrel (41). The cylindrical barrel is provided with a skirt (46) with at least one flexible tab (47) engageable with an inner ring-shaped rib (50) of the rigid cylindrical sleeve to prevent the return of the sleeve once it has been moved forward. For this purpose, the flexible tabs (47) comprise a slanted end (47a) and a rounded edge (47b) which engage said inner rib.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.