PIET C DE GROEN, M.D.
Osteopathic Medicine at 1 St, Rochester, MN

License number
Minnesota 28044
Category
Osteopathic Medicine
Type
Gastroenterology
Address
Address
200 1St St SW, Rochester, MN 55905
Phone
(507) 284-2511

Professional information

Piet De Photo 1

Colonoscopy Video Processing For Quality Metrics Determination

US Patent:
7894648, Feb 22, 2011
Filed:
Jun 16, 2006
Appl. No.:
11/454561
Inventors:
Piet C. De Groen - Rochester MN, US
Junghwan Oh - Arlington TX, US
Wallapak Tavanapong - Ames IA, US
Johnny Wong - Ames IA, US
Assignee:
Mayo Foundation for Medical Education and Research - Rochester MN
Iowa State University Research Foundation, Inc. - Ames IA
Board of Regents, The University of Texas System - Austin TX
International Classification:
G06K 9/00, A62B 1/04, A61B 1/00
US Classification:
382128, 348 65, 600101
Abstract:
A computer-based method that allows automated measurement of a number of metrics that likely reflect the quality of a colonoscopic procedure. The method is based on analysis of a digitized video file created during colonoscopy, and produces information regarding insertion time, withdrawal time, images at the time of maximal intubation, the time and ratio of clear versus blurred or non-informative images, and a first estimate of effort performed by the endoscopist. As these metrics can be obtained automatically, the method allows future quality control in the day-to-day medical practice setting on a large scale. In addition, the method can be adapted to other healthcare procedures. The method may be useful to assess progress during colonoscopy training, or as part of endoscopic skills assessment evaluations.


Piet De Photo 2

Methods And Systems For Statistical Based Monitoring And Power Management

US Patent:
7343267, Mar 11, 2008
Filed:
Sep 21, 2006
Appl. No.:
11/533860
Inventors:
David C. Casler - Montrose CO, US
Joan L. Mitchell - Longmont CO, US
Piet C. De Groen - Rochester MN, US
Assignee:
International Business Machines Corporation - Armonk NY
Mayo Foundation For Medical Education And Research - Rochester MN
International Classification:
H04N 11/02
US Classification:
702189
Abstract:
Embodiments of the present invention provide devices and techniques for detecting anomalies in monitored environments. In one embodiment of the invention, data may be acquired by monitoring an environmental variable. Based on the acquired data, statistics may be calculated which model the behavior of the environmental variable. Based on the calculated statistics, a long-term behavior and a short-term behavior of the statistics may also be calculated. A difference between the long-term statistics and the short-term statistics may then be calculated. If the difference between the long-term statistical behavior and short-term statistical behavior exceeds a dynamic or predefined threshold, an action may be taken.