Surgery – Truss – Pad
Patent
1991-02-13
1992-10-06
Howell, Kyle L.
Surgery
Truss
Pad
12866104, 12866004, A61B 800
Patent
active
051522900
ABSTRACT:
Heart performance is evaluated by collecting ultrasound images of at least one chamber of the heart of a patient after peak exercise. The images are subsequently displayed and analyzed to determine the presence and degree of heart disease, such as coronary artery disease (CAD). Collecting the images is done continuously at a rate of at least eight images per heart beat synchronized to a predetermined point in each heart beat over a time period which is normally sufficient to capture ischemic events resulting from the peak exercise. Each image thus synchronized represents a similar condition of each heart beat, thereby facilitating accurate comparisons. Collecting of images can be interrupted to eliminate blank or obscured images while the ultrasound sensor is repositioned. The collected images can be displayed and subsequently analyzed to determine the presence and degree of heart disease by comparing the images from successive heart beats.
REFERENCES:
patent: 4593314 (1986-06-01), Siler
patent: 4846188 (1989-07-01), Yoshioka
patent: 4865040 (1989-09-01), Ogasawara
patent: 4966150 (1990-10-01), Etienne et al.
patent: 5016642 (1991-05-01), Dukes et al.
Crouch Robert G.
Howell Kyle L.
Ley John R.
Manuel George
Prism Imaging, Inc.
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