Image guided surgery system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 12, 2000
Grant Date -
N/A
app pub date -
Apr 13, 1999
filing date -
Apr 17, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to an image guided surgery system, having an optical position measuring system which includes a detector arrangement (3) and a marker arrangement (4, 5, 6). In known optical position measuring systems, for example comprising two cameras and three LEDs per marker arrangement, a direct line of sight must continuously exist between the detector arrangement (3) and the marker arrangement (4, 5, 6) in order to ensure reliable and continuous operation of the system and to supply the surgeon continuously with information concerning the current position of an instrument or another part provided with a marker arrangement during the treatment. Blocking of the direct line of sight has a negative effect on the operation of the position measuring system. These drawbacks are avoided according to the invention in that at least one mirror (7) is provided in order to establish an indirect line of sight (5i, 6i) between the detector arrangement (3) and the marker arrangement (4, 5, 6). It is thus ensured that at least one line of sight exists at all times.
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Cited Art Landscape
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