Opening/closing unit drive mechanism for chemical-liquid circuit, and chemical-liquid injector
US12296142B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 29, 2020 |
| Grant date | May 13, 2025 |
| Priority date | — |
| Expiry date | Feb 7, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/587
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A safe and easy handling of a chemical-liquid circuit having various components. The opening/closing unit drive mechanism includes an opening/closing unit holder which detachably holds an opening/closing unit which includes a housing having flow channels and a piston for opening and closing the flow channels which is movably provided to the housing, a hook to be engaged with the piston of the opening/closing unit, which is disposed leaving a space from the opening/closing unit holder, and a linear motion mechanism which moves the hook back and forth. The opening/closing unit holder is movably supported between a first position at which the piston is engaged with the hook and a second position at which the piston is not engaged with the hook.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.