Abstract: A device for needle biopsy with a syringe cylinder, with a plunger displaceable therein as well as with a needle means, which has a plurality of puncture needles and whose channels open into the interior of the cylinder, wherein a ventilation means, by which the volume between the bottom and the plunger can be temporarily connected with the environment, is provided for the interior of the syringe cylinder.

Abstract: An airway for both sole esophageal obturator ventilation and for combined endotracheal and esophageal obturator ventilation of a patient. The airway has two lumens one of which has an open distal end and the other of which has a closed distal end. The airway further has an inflatable distal cuff and an inflatable pharyngeal cuff. Communicating with the lumen having the closed distal end is at least one air outlet located in the airway wall between the two inflatable cuffs. To determine the position and orientation of the airway within a patient, the airway is provided with an X-ray opaque stripe that preferably axially extends in the wall, but is interrupted by at least one air outlet between the inflatable cuffs. An X-ray opaque shaft may also be present between the inflatable cuffs and is preferably attached to the wall. The airway may also be provided with monitoring lumens and deflector means in communication with the lumen that has the open distal end.

Abstract: The coupling agent dispenser serves to guide and, at the same, possibly to warm up the coupling agent, which is required for many medical examinations, directly during the examination from a reservoir to a diagnostic probe.

Abstract: This airway for sole esophageal obturator or endotracheal and esophageal-obturator ventilation by choice has an inflatable cuff in the area of the tip of the airway and air-outlets in its wall in the area of the pharynx.To enable the use of the airway in emergency-cases reliably and also to enable the insertion by first-aid-personnel only, the airway has an inflatable pharyngeal cuff known per se and surrounding the wall of the airway above the air-outlets in that area, which, when the airway is inserted, is situated between the soft palate and the boundary between the base of the tongue and the back of the tongue.