The Puff system diagnoses the results of pulmonary function tests.

Puff went into production at Pacific Presbyterian Medical Center in San Francisco in 1977. Several implementations and many thousands of cases later, it is still in routine use. The Puff basic knowledge base was incorporated into the commercial “Pulmonary Consult” product. Several hundred copies have been sold and are in use around the world.

Puff is commercial available.

The Puff technology was originally developed in the late 1970s by researchers from and Pacific Presbyterian Medical Center and Stanford.