A drilling mask (100) for implanting a transpedicular screw (50) on a spine section (200) comprises a guide body (10) with a distal surface (12) and a proximal surface (14), opposite to the distal surface (12) and facing towards the spine section (200). The guide body (10) comprises a reference element (21) obtained on the proximal surface (14) and arranged to contact the spinous process (220), a guide channel (25) that extends starting from the distal surface (12), which is arranged to work as drilling guide for drilling the pedicle (250) and implanting the transpedicular screw (50), and a plurality, of support elements (22, 23) made on the proximal surface (14), associated with the reference element (21), arranged to contact side parts of the spine section (220). The guide body (10) comprises at least one reference portion (10a), which represents the central portion of the mask, equipped with the reference element (21), and configured to be put at the spinous process (220) and at least one lateral guide portion (10b, 10c), cooperating with the reference portion (10a), which comprises the guide channel (25) for drilling the pedicle (250) and the support elements (22, 23) laterally with respect to the spinous process (220).

Drilling mask for implanting a transpedicular screw

PARCHI, PAOLO DOMENICO;FERRARI, VINCENZO
;
CONDINO, SARA;LISANTI, MICHELE
2011

Abstract

A drilling mask (100) for implanting a transpedicular screw (50) on a spine section (200) comprises a guide body (10) with a distal surface (12) and a proximal surface (14), opposite to the distal surface (12) and facing towards the spine section (200). The guide body (10) comprises a reference element (21) obtained on the proximal surface (14) and arranged to contact the spinous process (220), a guide channel (25) that extends starting from the distal surface (12), which is arranged to work as drilling guide for drilling the pedicle (250) and implanting the transpedicular screw (50), and a plurality, of support elements (22, 23) made on the proximal surface (14), associated with the reference element (21), arranged to contact side parts of the spine section (220). The guide body (10) comprises at least one reference portion (10a), which represents the central portion of the mask, equipped with the reference element (21), and configured to be put at the spinous process (220) and at least one lateral guide portion (10b, 10c), cooperating with the reference portion (10a), which comprises the guide channel (25) for drilling the pedicle (250) and the support elements (22, 23) laterally with respect to the spinous process (220).
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11568/205546
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