Stimulation device

A stimulation device for stimulating body parts having

• a pressure field generating device having
• a cavity having an application opening to be arranged or placed on or over a body part or an area surrounding the body part, wherein the cavity is delimited by a peripheral side wall, and
• a medium influencing arrangement acting on a gaseous and/or liquid medium located in the cavity designed to subject the gaseous and/or liquid medium to a stimulation profile acting at least in the application opening, which profile is distinguished by a change of a pressure of the gaseous and/or liquid medium that alternates over time, wherein the pressure forms a pressure field having minimum pressures and maximum pressures that alternate over time in relation to a reference pressure, and
• a drive device designed to drive the medium influencing arrangement in such a way that the change of the pressure is between the minimum pressures and the maximum pressures,
• wherein a first check valve arrangement is arranged within the cavity between the application opening and the medium influencing arrangement, sealed off with the peripheral side wall of the cavity, and is movable at least in sections in a direction to the application opening and away from the application opening and has a first check valve designed to close in the direction to the application opening and to open in a direction to the medium influencing arrangement, wherein the cavity has a first section located between the first check valve arrangement and the medium influencing arrangement and a second section located between the first check valve arrangement and the application opening, and
• wherein a second check valve arrangement connects the first section of the cavity to an outside of the stimulation device and has a second check valve designed to close in a direction to the first section of the cavity and to open in a direction to the outside of the stimulation device.