Defining and Modifying a Human Respiratory System Model

The Human Respiratory System Model enables a user to create an in silica model based on specified physical characteristics.

Stage 1

In Stage 1, the user sets parameters for Sex, Race, and Age of the external representation of the soft tissue.

User interface for defining height and weight, which determines model scaling down to the five lobes

Stage 2

Stage 2 allows the user to modify the upper internal airway of the respiratory system, includes the nasal, oral cavity, pharynx, larynx, and upper trachea.

User interface for defining the respiratory system model's upper airways

Stage 3

Stage 3 requires the user to indicate the height and weight of the subject. These values determine the scaling of diameter of three paths with length of the Bronchiole passages from the trachea 23 generations into the five lobes.

User interface for defining height and weight, which determines model scaling down to the five lobes

The Generated Model

The generated surface mesh includes the nasal, oral cavity, pharynx, larynx, trachea, bronchioles, and three paths 23 generations deep into each of the five lobes. The final combined model will be saved to a stereolithography (STL) surface mesh file for computational fluid dynamics (CFD) analysis.

Generated Human Respiratory System Model, with upper and lower airways combined