Dynamic test phantom simulating cardiovascular motion for quality evaluation of CT imaging, and its control principle and quality testing method
US11090022B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 10, 2019 |
| Grant date | Aug 17, 2021 |
| Priority date | — |
| Expiry date | Jan 13, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B6/541
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The invention discloses a quality testing method dynamic test phantom simulating cardiovascular motion for quality evaluation of CT imaging, and its control principle and quality testing method. The dynamic test phantom includes: a control system, an electric cylinder unit, a piston pump unit, a fluid circuit unit and a cardiovascular phantom; the control system includes a control box and a control PC, wherein the control box includes a PLC control system and an electrocardiogram generator, and the PLC control system is connected with the control PC and the electrocardiogram generator respectively; the electric cylinder unit includes an electric cylinder drive unit and an electric cylinder transmission unit, wherein the electric cylinder drive unit is connected with the PLC control system, and the electric cylinder transmission unit is connected with the electric cylinder drive unit; the piston pump unit is connected with the electric cylinder transmission unit; the fluid circuit unit includes a fluid confluence module and fluid pipelines, which are connected with the piston pump unit and the cardiovascular phantom respectively; and the cardiovascular phantom includes a ventricular…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.