Syringe, having a rod and a piston and a disconnect mechanism
US5423757A · kind A · utility
10Cited by
10References
10Claims
0Family size
Inventors
Key dates
| Filing date | Oct 13, 1993 |
| Grant date | Jun 13, 1995 |
| Priority date | — |
| Expiry date | Oct 13, 2013 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M5/31515
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The invention relates to a disposable syringe which comprises a rod (5) that can be moved reciprocatingly in relation to a container (2). One end of the rod has the form of a needle (3), or can coact with a needle (3). The syringe also includes a piston (4) which coacts with the rod and which has means (6) for connecting the piston to the rod and disconnecting the piston therefrom. The rod (5) has an angled cross section and is provided with support and/or slide surfaces which coact with support and/or slide surfaces positioned peripherally on the piston (4).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.