Adjustable stereotactic device and method for frameless...

Details Adjustable stereotactic device and method for frameless... Adjustable stereotactic device and method for frameless...

A - Human Necessities

61

B

A61B 19/00 (2006.01) A61B 17/34 (2006.01)

Patent

CA 2704582

The system comprises at least three anchors (2, 2', 2") intended to be attached to the patient and equipped with markers (5, 5', 5"), an insertion guide device (6) with an insertion guide (7) intended to be attached to said anchors (2, 2', 2"), an external calibration device (8) with at least three calibration markers (10,10', 10") corresponding to said markers (5, 5', 5") and a planning and imaging software. The planning and imaging software is used to determine the position of a target point in the patient with respect to the markers (5, 5', 5"), the calibration device is used to calibrate and orient the insertion guide (7) of the insertion guide device (6) mounted on said calibration markers (10,10', 10") using the determination of the software before the insertion guide device is mounted on said markers (5,5',5") attached to the patient.

Le système comprend au moins trois dispositifs d'ancrage (2, 2', 2") prévus pour être attachés au patient et équipés de marqueurs (5, 5', 5"), un dispositif de guide d'introduction (6) doté d'un guide d'introduction (7) prévu pour être attaché auxdits dispositifs d'ancrage (2, 2', 2"), un dispositif de calibrage externe (8) doté d'au moins trois marqueurs de calibrage (10, 10', 10") correspondant auxdits marqueurs (5, 5', 5") et un logiciel de planification et d'imagerie. Le logiciel de planification et d'imagerie est utilisé pour déterminer la position d'un point cible dans le patient par rapport aux marqueurs (5, 5', 5"), le dispositif de calibrage étant utilisé pour calibrer et orienter le guide d'introduction (7) du dispositif de guide d'introduction (6) monté sur lesdits marqueurs de calibrage (10, 10', 10") par utilisation de la détermination du logiciel avant que le dispositif de guide d'introduction ne soit monté sur lesdits marqueurs (5, 5', 5") attachés au patient.

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