Methods and apparatus for detecting gantry interference in a computed tomography system
US5805658A · kind A · utility
8Cited by
3References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 31, 1996 |
| Grant date | Sep 8, 1998 |
| Priority date | — |
| Expiry date | Dec 31, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B6/10
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention, in one embodiment, is an interference detection assembly for detecting patient and patient table interference with a gantry of a computed tomography system. The assembly, in one form, includes a frusto-conical capacitive plate secured to a leading frusto-conical surface of the gantry bore. The capacitive plate is coupled to a control unit which detects changes in the capacitance of the capacitive plate. When the plate is discharged below a threshold charge, the control unit generates a signal which may be used to automatically interrupt a scan.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.