FIELD: computing; counting.
SUBSTANCE: invention relates to the selection of a patient interface device using 3-D models. Electronic apparatus for selecting a patient interface device comprises: a geometric fit score determining unit configured to receive a 3-D model of a patient's face and a plurality of 3-D models of patient interface devices, to determine one or more landmarks on the 3-D model of the patient's face, to calculate a geometric fit score for each of one or more of the patient interface devices and to fit a respective 3-D model of one of the patient interface devices to the 3-D model of the patient's face; a user interface generator configured to generate a user interface including a display area configured to display the 3-D model of the patient's face and a 3-D model a patient interface device, and a patient interface device selection area configured to display patient interface device identification information and an overall fit score which is calculated for each of the one or more patient interface devices based on the geometric fit score.
EFFECT: technical result is higher accuracy of selecting a suitable patient interface device for the patient.
15 cl, 14 dwg
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