Hypodermic syringe having a telescopic assembly between cartridge and medicament holder
US4568346A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 24, 1983 |
| Grant date | Feb 4, 1986 |
| Priority date | — |
| Expiry date | Oct 24, 2003 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61J1/201
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The invention relates to a hypodermic syringe comprising a cartridge having connected thereto an injection needle, a medicament holder closed by means of a piercible stopper, and a telescopic assembly which detachably connects the cartridge and the holder. The part of the injection needle extending within the telescopic assembly is surrounded entirely by a sheath of a flexible material the closed end of which bears against or is present at a short distance from the stopper of the medicament holder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.