| 摘要 |
The invention relates to a device for positioning and/or guiding surgical instruments. Said device comprises: A) a rod-shaped longitudinal support (2) with a longitudinal axis (3); B) two transversal supports (5), which are transversal to the longitudinal axis (3), which each have a rear end (34) and a front end (35), and which, on the front ends (35), can be fixed to one of two respective bones or to a supporting frame; C) two blocks (4; 14), which are detachably fixed to the longitudinal support (2), which can be displaced thereon parallel to the longitudinal axis (3), and which are provided for joining the rear ends (34) of the transversal supports (5) to the longitudinal support (2), and; D) a slide (36), which can be axially displaced and stopped on the longitudinal support (2) with regard to the longitudinal axis (3), whereby: D) each block (4; 14) comprises a detachably lockable first joint (8), by means of which the respective transversal support (5) can be displaced relative to the longitudinal support (2) around at least two axes that are perpendicular to one another, and; (F) each transversal support (5) comprises a detachably lockable second joint (33). |
