Referencing or registering a patient or a patient body part in a medical navigation system by means of irradiation of light points
US6873867B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 5, 2001 |
| Grant date | Mar 29, 2005 |
| Priority date | — |
| Expiry date | Aug 7, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/3937
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method for referencing a body part in a camera-assisted, medical navigation system including the following steps: manually manipulating a light beamer to sequentially produce a plurality of light marks on a surface of the body part; using a plurality of cameras to scan the surface of the body part, wherein the plurality of cameras detect the plurality of light marks; determining three-dimensional spatial positions for respective sequential light marks; and referencing or registering the body part based on the three dimensional spatial positions of light marks.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.