Surgical drill guide

A - Human Necessities – 61 – B

Patent

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Details

A61B 17/58 (2006.01)

Patent

CA 2542603

The present invention is directed to a surgical drill guide. The drill guide may include a first drill guide body having a distal end for placement substantially adjacent a bone, a second drill guide body slidable with respect to the first drill guide body and having a proximal end for contacting a portion of a drill bit, a handle associated with at least one of the first drill guide body and the second drill guide body, and a detent mechanism for releasably retaining the position of the first drill guide body with respect to the second drill guide body in predefined increments. Additionally or alternatively, the drill guide may include a locking member movable between a first position where it substantially prevents sliding of the second drill guide body with respect to the first drill guide body, and a second position where it permits sliding of the second drill guide body with respect to the first drill guide body. The locking member may be resiliently biased to the first position. Other features for improving the drill guide are disclosed and claimed as well.

L'invention se rapporte à un guide-foret chirurgical. Ce guide-foret peut comprendre un premier corps de guide-foret doté d'une extrémité distale à placer presque contre un os, un second corps de guide-foret pouvant coulisser par rapport au premier corps de guide-foret et doté d'une extrémité proximale à mettre en contact avec une partie d'un trépan, une poignée associée au moins au premier corps de guide-foret ou au second corps de guide-foret, et un mécanisme de détente pour maintenir de manière détachable la position du premier corps de guide-foret par rapport au second corps de guide-foret selon des augmentations prédéfinies. De plus ou alternativement, le guide-foret peut comprendre un élément de verrouillage qui bouge entre une première position dans laquelle il empêche sensiblement le second guide-foret de coulisser par rapport au premier corps de guide-foret, et une seconde position dans laquelle il permet au second corps de guide foret de coulisser par rapport au premier corps de guide-foret. L'élément de verrouillage peut être orienté classiquement en première position. L'invention porte sur d'autres caractéristiques permettant d'améliorer le guide-foret.

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