Device and method for setting stereotactic and...

A - Human Necessities – 61 – B

Patent

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Details

A61B 19/00 (2006.01) A61B 17/34 (2006.01) A61B 10/04 (2006.01)

Patent

CA 2303335

The invention concerns a device for adjusting stereotactically and endoscopically located equipment, including pharmaceutical agents, radiation sources and or-ganic material, comprising a holder and a fixing key, where the holder comprises a lower ring (1) with a surface (4) for placing a ball (2) which will form a ball joint, and an upper ring (3) for locking the ball in a specific position, where the ball (2) has a channel for insertion of medical instruments, and where the lower ring (1) has an external threaded surface (8) for direct screwing to an area of a patient's skull. The device is characterized by the fact that the ball's (2) central point, and thereby the ball joint's fulcrum is arranged for positioning on a level with the patient's cranium by means of a groove-like section (20) on the holder which forms an abutment for the ball (2). The invention also concerns a method for adjusting different stereotactically and endoscopically located equipment, including pharmaceutical agents, by means of the device, and application of the method in different contexts.

L'invention porte sur un dispositif de réglage d'un équipement mis en place de manière stéréotaxique et endoscopique, et comprenant des agents pharmaceutiques, des sources de rayonnement et un matériau organique, ce dispositif de réglage comprenant un support et une clé de fixation. Le support comporte une bague inférieure (1) sur une surface (4) de laquelle se place une rotule (2) qui formera un joint sphérique, et une bague supérieure (3) permettant de bloquer la rotule dans une position spécifique. La rotule (2) comporte un canal permettant l'insertion d'instruments médicaux, et la bague inférieure (1) comporte une surface (8) filetée externe se vissant directement sur une zone du crâne du patient. Le dispositif se caractérise en ce que le point central de la rotule (2), et par conséquent, le point d'appui du joint sphérique soient agencés de façon à se positionner au niveau du crâne du patient par le biais d'une section (20) du support de type rainure qui forme un appui d'extrémité pour la rotule (2). Cette invention porte également sur un procédé de réglage d'un équipement différent placé de manière stéréotaxique et endoscopique et comprenant des agents pharmaceutiques, au moyen du dispositif précité, et sur l'application de ce procédé dans divers contextes.

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