| abstract |
Disclosed is a device used for needle biopsy, comprising a syringe cylinder (1), a plunger (2) that can be displaced therein, and a needle unit (9) which is provided with several puncture needles (9) and whose channels (12) extend into the interior of the cylinder (1). A means (37, 38, 39, 40) for removing air from the interior of the syringe cylinder (1) is provided. The volume between the bottom (5) and the plunger (2) can be temporarily connected to the environment with the aid of said air-removing means. |