Image guided surgery system

Details Image guided surgery system Image guided surgery system

1999-04-13

2000-12-12

Lateef, Marvin M.

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

606130, 600407, A61B 1900

Patent

active

06161033&

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.

REFERENCES:
patent: 5590655 (1997-01-01), Hussman
patent: 5622170 (1997-04-01), Schulz
patent: 5772594 (1998-06-01), Barrick
patent: 5848967 (1998-12-01), Cosman
patent: 5921992 (1999-07-01), Costales et al.

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