Apparatus and method for locating a device tip within a volume
US8731642B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 8, 2010 |
| Grant date | May 20, 2014 |
| Priority date | — |
| Expiry date | Jul 8, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B6/503
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method for determining by an x-ray projection a position of a target radiopaque marker disposed on a catheter in a subject's body, comprising assigning a landmark in the body as a reference point compensated for periodic movements of the body, determining an auxiliary location relative to the reference point using at least one additional radiopaque marker disposed on the catheter and based on the auxiliary location determining the position of the target radiopaque marker with respect to the reference point.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.