Method and device for checking a marking element for displacement
US6877239B2 · kind B2 · utility
59Cited by
11References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 13, 2002 |
| Grant date | Apr 12, 2005 |
| Priority date | — |
| Expiry date | Sep 13, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/3983
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
To make available a method for checking a marking element for displacement in relation to a holding structure, in particular a bone, on which this marking element is fixed, said marking element being used for determining position in navigational surgery, and said marking element functioning with the greatest possible precision, it is proposed to choose a point of orientation which is in a unique relationship to the holding structure and to monitor the position of the point of orientation in a reference system of the marking element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.