Fig. 1
From: 3D-printed mouthpiece adapter for sampling exhaled breath in medical applications
Model of the breath sampling adapter, viewed from three perspectives. Left: oblique view, showing the connection to the sampling device (facing rear-left) and the underside of the adapter (top/centre); centre: bottom view, showing the underside of the adapter and the connection orifices for the four adsorbent tubes in trapezoid formation; and right: cross-sectional planar view, showing the side of the adapter (the adapter connects to the breath sampling device on the left-hand (rear) end; a pulmonary function filter is attached at the right-hand (front) end); the base of the adapter, containing the connection orifices for the adsorption tubes, is depicted at the top. All dimensions are in mm