Chemical liquid injection system
US8177757B2 · kind B2 · utility
26Cited by
1References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 9, 2005 |
| Grant date | May 15, 2012 |
| Priority date | — |
| Expiry date | Mar 29, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M5/1456
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A piston adapter, which can be easily removed even when it is mounted on a piston member of a rodless syringe and pressed in a cylinder member, is provided. In piston adapter 200, when manual operation member 230 is manually rotated relative to adapter rod 210, adapter shaft 220 is also rotated to turn the trailing end of flange engagement member 240 engaging with an engagement open/close mechanism near leading end of the flange engagement member, thereby piston adapter 200 can be easily put on and removed from the piston member of the rodless syringe its leading end by manually operating the trailing end of piston adapter 200.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.