Method and apparatus for guiding an instrument to a target

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United States of America Patent

PATENT NO 5638819
SERIAL NO

08520386

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A system (10) presents a graphic guidance object (46) in a display screen (40) to aid a surgeon in guiding a probe (12) from an initial point (82) relative to a body (14) along a desired trajectory (54) to a target (52). The graphic object (46) may be presented simultaneously with a live video image (44) from an endoscope and with tomogram images (42). The graphic object (46) includes a probe tip indicator (88) and a trajectory indicator (94). These indicators (88, 94) are positioned relative to one another to graphically indicate how far and in which direction to move a probe tip (36) to cause the probe tip (36) to intersect the desired trajectory (54). A roll orientation feature (118) and a distance-to-target feature (126) are included in the graphic object (46). The graphic object (46) changes in real time to track movement of the probe (12).

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International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Manwaring, Kim H 3440 E. Tonto Dr., Ahwatukee, AZ 85044 14 2231
Manwaring, Mark L SW. 1430 Wadleigh Dr., Pullman, WA 99163 7 1670

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