Inhalation therapy apparatus having - an aerosol generating device with an aerosol generator which has a diaphragm and a piezo oscillator which sets the diaphragm in oscillation for nebulisation of a fluid and preparation of liquid droplets, - a respiratory air stream generating device for generating a respiratory air flow and conveying the respiratory flow into a delivery pipe; - a nebulisation chamber, - wherein the liquid droplets and the respiratory air flow can be delivered to the nebulisation chamber, so that the liquid droplets and the respiratory air mix in the nebulisation chamber to form a liquid droplet/respiratory air mixture, and - the nebulisation chamber comprises a tapering region which leads into an outlet opening with a connection piece for connecting a hose-like intubation device, in order to dispense the liquid droplet/respiratory air mixture from the nebulisation chamber and apply it by means of the hose-like intubation device, characterised in that - the nebulisation chamber has a respiratory air delivery opening on which the delivery pipe is mounted and the aerosol generating device is mounted in the nebulisation chamber so that when the respiratory air enters the nebulisation chamber a turbulent respiratory air flow arises, wherein the liquid droplets are dispensed directly into the nebulisation chamber and the respiratory air delivered by the respiratory air stream generating device flows round the aerosol generating device, so that the liquid droplets are surrounded by the respiratory air flow like a sheath, wherein a supporting device with several radially extending support elements for fixing the aerosol generating device in the nebulisation chamber and through-openings for the respiratory air delivered to the nebulisation chamber is provided. - an aerosol generating device with an aerosol generator which has a diaphragm and a piezo oscillator which sets the diaphragm in oscillation for nebulisation of a fluid and preparation of liquid droplets, - a respiratory air stream generating device for generating a respiratory air flow and conveying the respiratory flow into a delivery pipe; - a nebulisation chamber, - wherein the liquid droplets and the respiratory air flow can be delivered to the nebulisation chamber, so that the liquid droplets and the respiratory air mix in the nebulisation chamber to form a liquid droplet/respiratory air mixture, and - the nebulisation chamber comprises a tapering region which leads into an outlet opening with a connection piece for connecting a hose-like intubation device, in order to dispense the liquid droplet/respiratory air mixture from the nebulisation chamber and apply it by means of the hose-like intubation device, - wherein the liquid droplets and the respiratory air flow can be delivered to the nebulisation chamber, so that the liquid droplets and the respiratory air mix in the nebulisation chamber to form a liquid droplet/respiratory air mixture, and - the nebulisation chamber comprises a tapering region which leads into an outlet opening with a connection piece for connecting a hose-like intubation device, in order to dispense the liquid droplet/respiratory air mixture from the nebulisation chamber and apply it by means of the hose-like intubation device, - the nebulisation chamber has a respiratory air delivery opening on which the delivery pipe is mounted and the aerosol generating device is mounted in the nebulisation chamber so that when the respiratory air enters the nebulisation chamber a turbulent respiratory air flow arises, wherein the liquid droplets are dispensed directly into the nebulisation chamber and the respiratory air delivered by the respiratory air stream generating device flows round the aerosol generating device, so that the liquid droplets are surrounded by the respiratory air flow like a sheath, wherein a supporting device with several radially extending support elements for fixing the aerosol generating device in the nebulisation chamber and through-openings for the respiratory air delivered to the nebulisation chamber is provided.