Device and system for changing flow characteristic of breathing gas flow in breathing or anesthesia device, and breathing or anesthesia device

The utility model relates to a device (1) for changing the flow characteristic of breathing airflow in breathing or anesthesia equipment, the device is provided with a rest volume (2) and a resistance element (3) arranged at the downstream along the main flow direction, and the rest volume (2) is provided with an inlet (4) and an outlet (5). The device is characterized in that the resistance element (3) at least partially covers the outlet (5) of the rest volume (2) and is designed as a sieve-shaped element (3), the main extension plane of which is arranged substantially perpendicular to the main flow direction (7). In addition, the utility model relates to a system (20) with the device (1) and a sensor (21) and breathing or anesthesia equipment (30) with the system (21). 本实用新型涉及一种用于改变呼吸或麻醉设备中的呼吸气流的流动特性的装置(1)，该装置具有平息容积(2)和沿主流动方向在下游的阻力元件(3)，其中平息容积(2)具有入口(4)和出口(5)。该装置的特征在于，阻力元件(3)至少部分覆盖平息容积(2)的出口(5)并且构造为筛形元件(3)，其中筛形元件的主延伸平面基本上垂直于主流动方向(7)布置。此外，本实用新型涉及具有这样的装置(1)和传感器(21)的系统(20)以及具有这种系统(21)的呼吸或麻醉设备(30)。