Guide device for a surgical machining tool
In a guiding device for a surgical machining tool, which, in particular, is securable to a bone to be worked on and comprises a guiding element which guides the machining tool and is mounted on the guiding device so as to be displaceable in one plane, in order to improve the visibility of the operating site, it is proposed that the guiding element be connected to a frame of the guiding device by at least one lever by means of a pivot whose axis of rotation extends perpendicularly to the guiding plane.
1 - 20 . (canceled)
21 . Guiding device for a surgical machining tool with a guiding element which guides the machining tool and is mounted on the guiding device so as to be displaceable in one plane only, wherein two levers are mounted on a frame of the guiding device by means of a pivot so as to be rotatable about axes of rotation extending parallel to each other and perpendicularly to the guiding plane, and the said levers are, in turn, connected to the guiding element so as to be rotatable about axes of rotation extending parallel to these axes of rotation.
22 . Guiding device in accordance with claim 21 , wherein the lines connecting the two pivots of the two levers extend parallel to each other.
23 . Guiding device in accordance with claim 21 , wherein the lines connecting the two pivots of the two levers extend at an incline to each other.
24 . Guiding device in accordance with claim 21 , wherein the guiding element comprises legs extending at an angle to each other in the guiding plane.
25 . Guiding device in accordance with claim 24 , wherein the angle between the two legs lies between 75° and 105°.
26 . Guiding device in accordance with claim 21 , wherein the guiding element carries a guide sleeve which receives the machining tool.
27 . Guiding device in accordance with claim 24 , wherein the guiding element carries a guide sleeve which receives the machining tool.
28 . Guiding device in accordance with claim 26 , wherein the guide sleeve is fixedly connected to the guiding element.
29 . Guiding device in accordance with claim 26 , wherein the guide sleeve is mounted on the guiding element so as to be rotatable about an axis of rotation which extends parallel to the axis of rotation of the lever or levers.
30 . Guiding device in accordance with claim 26 , wherein the longitudinal axis of the guide sleeve lies in the guiding plane.
31 . Guiding device in accordance with claim 26 , wherein the guide sleeve is held at the junction of the two legs on the guiding element.
32 . Guiding device in accordance with claim 21 , wherein the pivotability of the lever or levers is limited by a stop.
33 . Guiding device in accordance with claim 32 , wherein the stop is adjustable in its position.
34 . Guiding device in accordance with claim 21 , wherein the lever or levers and/or the guiding element have openings.
35 . Guiding device in accordance with claim 34 , wherein the openings are formed as elongate slots.
36 . Guiding device in accordance with claim 21 , wherein the lever or levers are mountable on the frame so as to be pivotable about various axes of rotation.
37 . Guiding device in accordance with claim 36 , wherein the position of the pivots of the lever or levers on the frame is adjustable.
38 . Guiding device in accordance with claim 36 , wherein several pivot locations with different axes of rotation are arranged on the frame for optional mounting of the lever or levers thereat.
39 . Guiding device in accordance with claim 36 , wherein the lever or levers is or are insertable with its or their pivot in various receivers of the frame.
40 . Guiding device in accordance with claim 36 , wherein those parts of the pivot of the lever or levers that are arranged on the frame are insertable in a different position into the same receiver on the frame.