Patent ID: 8821378

Claim:
A device for endoscopic intervention in the skeletal region, in particular on the spinal column, the device comprising: a cutting tool comprising an element in the form of a hollow cannula, said hollow cannula comprising a cutting edge at a distal end thereof, wherein said distal end forms only one face defining an opening, said one face and said opening being generally bevelled in shape relative to a longitudinal axis of symmetry of the element, said cannula comprising a cavity, said opening extending over an entire cross section of said cavity, said cutting edge extending predominantly in a direction perpendicular to said longitudinal axis of said element; an optical probe (endoscope) moveably mounted in said cavity for insertion through the cavity of the cannula and out of said opening at said distal end; a means for moving the cutting tool relative to said optical probe, said means for moving the cutting tool brings about a cyclic movement in the longitudinal direction of the cutting tool.