Fig. 9 | Scientific Reports

Fig. 9

From: Design, manufacturing, and testing of 3D-printed fittings for ergonomic helmet CPAP devices: a case study

Fig. 9

The main view of modification proposed to reduce the size and mass of the inlet connector assembly: (a) – before: 1 – main connector body, 2 – outlet part, 3,4 – O-ring seals, 5 – diffuser, 6 – boston type socket, (b) – after redesign process: 1 – diffuser, 2 – flexible T 22F type socket, 3 – connector with an additional oxygen port, 4 – cap.

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