Prefillable syringe
US6027481A · kind A · utility
34Cited by
16References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 8, 1999 |
| Grant date | Feb 22, 2000 |
| Priority date | — |
| Expiry date | Mar 8, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2005/3139
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A prefillable syringe includes an elongate barrel having an open distal end and a proximal end with at least one chamber formed therebetween for receiving a substance sensitive to pH shift, such as water for injection. The barrel is made of a low extractable ion glass preferably having a low concentration of sodium of less than 8% and preferably around 4% or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.