Surgery – Instruments – Stereotaxic device
Patent
1996-09-30
1999-11-16
Dawson, Glenn K.
Surgery
Instruments
Stereotaxic device
600417, 600429, A61B 1900
Patent
active
059849304
ABSTRACT:
A surgeon can select an entry point and a target point in a preoperative image volume of the patient. The target point and entry point form a trajectory line along which the surgeon wishes to perform a surgical procedure such as a biopsy and line up a surgical instrument. Once a surgical platform is moved along a guide arm arc close to a point on the trajectory line, the surgical platform is locked to the guiding arm. A pivot point position at the center of a ball joint in the middle of a metal plate is then arranged to be exactly at a point on the trajectory line. The metal plate is locked down and the ball joint is rotated to ensure that the surgical sleeve extends exactly along the trajectory line. This allows a decoupling between the position and orientation movements required to line the surgical sleeve up with the trajectory line to perform a surgical procedure. An interoperative localization device (ILD) is used to track the position of the surgical guide relative to the image space.
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Fitzpatrick J. Michael
Maciunas Robert
Maurer, Jr. Calvin R.
McCrory Jennifer J.
Randall Rory
Dawson Glenn K.
George S. Allen
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