G - Physics – 01 – M
Patent
G - Physics
01
M
G01M 13/00 (2006.01) A61B 17/00 (2006.01) A61B 19/00 (2006.01) G01B 21/04 (2006.01) A61B 19/02 (2006.01)
Patent
CA 2314432
A device for gauging and verifying the precision of surgical instruments is provided. The device includes a holder, at least one instrument, and a carousel having at least one cavity configured and dimensioned in the shape of the at least one instrument. The carousel is rotatably coupled to the holder. Markers or sensors for emitting or receiving signals are fitted to at least two of the holder, the carousel and the instrument, and allow determination of spatial information thereof. The spatial information is calibrated by inserting the at least one instrument in its respective cavity in the carousel and determining any change in dimensions from the instrument's first set of dimensions upon manufacture and its new set of dimensions following use.
L'invention concerne un dispositif (1) destiné au positionnement exact et au calibrage d'instruments chirurgicaux dans l'espace. Le dispositif (1) comprend un support (2), un élément (3) mobile dans le support (2) et au moins un moyen (4) guidant l'élément mobile (3) dans le support (2). L'élément mobile (3) est pourvu d'au moins une cavité (5) orientable vers le support (2). Cette cavité abrite l'instrument chirurgical, insérable dans cette cavité, dans une position et une orientation définies avec précision par rapport au support (2) puisque la forme de la cavité correspond à celle de l'instrument chirurgical. L'élément mobile (3) est interchangeable. Le dispositif (1) est doté de moyens (12) qui permettent de déterminer la position et l'orientation du dispositif (1) par un dispositif de mesure électronique. Enfin, la position et l'orientation du dispositif (1) sont enregistrées dans une mémoire EPROM (15).
Forrer Ruth
Scherrer Jose L.
Ao Technology Ag
Marks & Clerk
Synthes (u.s.a.)
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