Richard Arlin Robb

US Patent:

6556695, Apr 29, 2003

Filed:

Sep 16, 1999

Appl. No.:

09/397546

Inventors:

Douglas L. Packer - Rochester MN
Richard A. Robb - Rochester MN

Assignee:

Mayo Foundation for Medical Education and Research - Rochester MN

International Classification:

G06K 900

US Classification:

382128

Abstract:

Images of a heart are acquired with a high resolution medical imaging system used to construct a dynamic high resolution 4D model. During a medical procedure such as endocardial physiology mapping and ablation, real-time images are produced by an ultrasonic transducer inserted into the heart. The high resolution heart model is registered with the acquired real-time images and used to produce dynamic, high resolution images for display during the medical procedure. An electrical activation map which depicts the spatial distribution of heart wall electrical activation is merged with the anatomic images to facilitate cardiac ablation therapy.

US Patent:

7190163, Mar 13, 2007

Filed:

Feb 22, 2005

Appl. No.:

11/063130

Inventors:

Srinivasan Rajagopalan - Rochester MN, US
Richard A. Robb - Rochester MN, US

Assignee:

Mayo Foundation for Medical Education and Research - Rochester MN

International Classification:

G01V 3/00

US Classification:

324309, 324307

Abstract:

A training module is used to produce a database that stores histogram landmarks for MR images acquired with different scan parameters such as TR, TE flip angle and inversion recovery time. This database is used by a transformation module which enables an MR image acquired at one prescribed set of scan parameters to be transformed into MR images that simulate MR images acquired with different scan parameters.

US Patent:

7718109, May 18, 2010

Filed:

Feb 14, 2006

Appl. No.:

11/351860

Inventors:

Richard A. Robb - Rochester MN, US
Srinivasan Rajagopalan - Rochester MN, US

Assignee:

Mayo Foundation for Medical Education and Research - Rochester MN

International Classification:

B29C 35/08
A61F 2/00

US Classification:

264308, 424426

Abstract:

Techniques for generating tissue support structure are presented. A curved minimal surface shape is determined as a template for generating a tissue support structure. The determined curved minimal surface shape is numerically or functionally defined to create data representing the shape. The data is exported to a rapid prototyping system to generate a plurality of tissue support structures having a curved minimal surface. The tissue support structure can have a pore sub-section and a non-pore sub-section divided by a non-intersecting two-sided surface. A number of characteristics of the tissue support structure can be modulated including porosity and mechanical strength.

US Patent:

8019801, Sep 13, 2011

Filed:

Jun 23, 2005

Appl. No.:

11/165597

Inventors:

Richard A. Robb - Rochester MN, US
Srinivasan Rajagopalan - Rochester MN, US

Assignee:

Mayo Foundation for Medical Education and Research - Rochester MN

International Classification:

G06F 12/00
G06F 15/16
G06F 17/30
G06F 7/00

US Classification:

707899

Abstract:

A system and method for rating the validity of multiple data processing algorithms A-Aon a set of multi-dimensional input data I where P-Pis the output data produced by the competing algorithms. Processing steps include: (1) computing the Fourier Transform or the phase congruence of the input data I, (2) computing the Fourier Transform or the phase congruence of the output data P-P, (3) computing the phase of the data computed at step 1, (4) computing the phases of the data computed at step 2, and (5) computing a similarity metric, such as the normalized cross correlation of each phase computed at step 4 with the corresponding phase computed at step 3. The similarity metrics computed at step 5 can be ordered to provide a ranking of the algorithm validity.

US Patent:

20110251454, Oct 13, 2011

Filed:

Nov 23, 2009

Appl. No.:

13/130476

Inventors:

Richard A. Robb - Rochester MN, US
Gianrico Farrugia - Rochester MN, US
William J. Sandborn - Rochester MN, US

Assignee:

MAYO FOUNDATION FOR MEDICAL EDUCATION AND RESEARCH - Rochester MN

International Classification:

A61B 1/04

US Classification:

600103

Abstract:

A system for tracking and evaluating a colonoscopy procedure performed using an endoscope includes a tracking subsystem, a processing subsystem and a display subsystem. The tracking subsystem provides information representative of the location of the endoscope within a patient's colon during the procedure. The processing subsystem generates visualization metrics from images produced by the endoscope during the procedure. The display subsystem is coupled to the tracking and processing subsystems to generate a visual display of the patient's colon with information representative of the visualization metrics at associated colon locations.

US Patent:

55683843, Oct 22, 1996

Filed:

Oct 13, 1992

Appl. No.:

7/960128

Inventors:

Richard A. Robb - Rochester MN
Hong-Jian Jiang - Everett MN

Assignee:

Mayo Foundation for Medical Education and Research - Rochester MN

International Classification:

G06F15900

US Classification:

36441913

Abstract:

A method for synthesizing three dimensional multimodality image sets into a single composite image with accurate registration and congruence. Surfaces are initially extracted from two or more different images to be matched using semi-automatic segmentation techniques. These surfaces are represented as contours with common features to be matched. A distance transformation is performed for one surface image, and a cost function for the matching process is developed using the distance image. The geometric transformation includes three-dimensional translation, rotation and scaling to accommodate images of different position, orientation and size. The matching process involves efficiently searching this multi-parameter space and adjusting a surface or surfaces to find the best fit among them which minimizes the cost function. The local minima problem is addressed by using a large number of starting points. A pyramid multi-resolution approach is employed to speed up both the distance transformation computation and the multi-parameter minimization processes.

US Patent:

D401966, Oct 27, 1998

Filed:

Apr 2, 1997

Appl. No.:

D/069469

Inventors:

Bruce M. Cameron - Mazeppa MN
Richard A. Robb - Rochester MN

Assignee:

Mayo Foundation for Medical Education and Research - Rochester MN

International Classification:

1402

US Classification:

D141147

US Patent:

60496223, Apr 11, 2000

Filed:

Dec 1, 1997

Appl. No.:

8/982014

Inventors:

Richard A. Robb - Rochester MN
Bruce M. Cameron - Mazeppa MN
James B. Seward - Rochester MN

Assignee:

Mayo Foundation for Medical Education and Research - Rochester MN

International Classification:

G06K 900

US Classification:

382128

Abstract:

Image data is acquired and a spatial coordinate system is attached to the image data set. A navigational guide employs the attached coordinate system to indicate to the viewer the orientation of the imaged object and the location of the viewer with respect to the imaged object. This indication is made in a number of ways, including the display of an icon which depicts the orientation of the object being viewed.