Surgical cutting instrument has cutting head, which is arranged in cannula for carrying out lifting movement, where cannula has cannula-opening at its periphery

摘要

The surgical cutting instrument has a cutting head (2), which is arranged in a cannula (1) for carrying out a lifting movement. The cannula has a cannula-opening (4) at its periphery. A device presses the cutting head in the area of a cutting edge (7) at an inner wall (9) of the cannula. The device has a bar (10).