3M Innovative Properties Company

University of Minnesota

Hormel Foods Corporation

Marie A Guion

Arthur Guy Erdman

Ahmed H Tewfik

Andrew D Bicek

Craig D Oster

Phillip L Minerich

Thomas Priebe

George Sommerfeld

Daniel T Wolters

Paul C Luna

Techniques are described for analyzing auscultatory sounds to aid a medical professional in diagnosing physiological conditions of a patient. A data analysis system, for example, applies singular value decomposition to auscultatory sounds associated known physiological conditions to define a set of one or more disease regions within a multidimensional space. A diagnostic device, such as an electronic stethoscope or personal digital assistant, applies configuration data from the data analysis system to generate a set of one or more vectors within the multidimensional space representative of auscultatory sounds associated with a patient. The diagnostic device outputs a diagnostic message associated with a physiological condition of the patient based on the orientation of the vectors relative to the disease regions within the multidimensional space.

Analysis of auscultatory sounds using single value decomposition

Pressure is measured inside of a high pressure vehicle. A substance is compressed at a first pressure to create a preform having a first density. The preform is placed inside of a high pressure vessel and subjected to a second pressure, greater than the first pressure. The preform therefore changes in density to a second density, greater than the first density, whereby the second pressure can be determined. The method may also be used in determining the pressure inside of a food product during food processing and a high pressure vessel.

Pressure indicator

Growing community of inventors

Saint Paul, MN, United States of America

Marie A Guion