| 摘要 |
In order to provide 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 discharge nozzle (11) and the suction opening (12) are disposed in a protective cover (6, 6', 6'', 6'''). The protective cover (6, 6', 6'', 6''') and the body parts of the patient conjointly form a defined vacuum-sealed work chamber (8). The protective cover is made of a transparent material.
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