| abstract |
In order to create a work area that is as large as possible, and to shield off the environment, and in order to simultaneously provide for a mobile application, the invention proposes that the outlet nozzle (11) and the intake opening (12) are disposed in a protective cover (6, 6', 6', 6''), wherein the protective cover (6, 6', 6', 6'') forms a defined vacuum-sealed work chamber (8) together with the body parts of the patient and is made of a transparent material. |