Position measuring apparatus
US8092471B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 20, 2003 |
| Grant date | Jan 10, 2012 |
| Priority date | — |
| Expiry date | Jul 2, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/3983
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A position measuring apparatus, for use in an assisting apparatus for surgical opertions, includes a position indicating apparatus for indicating a position and a direction of a tool, and three-dimensional position measuring apparatus for measuring a position and a direction of a surgical field and also the position and the direction of the tool. The position indicating apparatus and the three dimensional position measuring apparatus are unified in one body in the relative position thereof, so that a position for assistance of surgical operation is indicated in the form of an intersection line or an intersection point of the laser beams, irrespective of the position of the position measuring apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.