Method and apparatus for the observation of a catheter within a vessel system
US8046051B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 16, 2006 |
| Grant date | Oct 25, 2011 |
| Priority date | — |
| Expiry date | Nov 9, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B6/5247
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
To observe a catheter (43) advancing in a vessel system, a 3D model of the vessel system is reconstructed with the help of differently oriented X-ray projections (P1A, . . . ) generated by a C-arm system (20) during the injection of a contrast agent. Next, a movement corridor (M) of the catheter (43) is determined from the 3D model. During an examination procedure, current projections (P) are generated showing an image (43′) of the catheter that can be registered with the reconstructed 3D model and/or the movement corridor (M). Based on the registered catheter image and 3D model of the vessel geometry or the movement corridor (M), an optimal projection direction (dopt) is determined and the C-arm system (20) is controlled to orient the next projections in the optimal projection direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.