Pre-filled syringe and pre-filled cartridge having actuating cylinder/plunger rod combination for reducing syringing force
US5411489A · kind A · utility
92Cited by
14References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 6, 1994 |
| Grant date | May 2, 1995 |
| Priority date | — |
| Expiry date | May 6, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2005/3112
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Disclosed are pre-filled syringes equipped with an improved plunger, a plunger actuating cylinder and a plunger rod, characterized by a leak-proof seal and easy sliding property.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.