Method of determining stenosis of blood vessels

Details Method of determining stenosis of blood vessels Method of determining stenosis of blood vessels

1985-05-23

1987-09-08

Ruggiero, Joseph

Boots, shoes, and leggings

128661, 378 99, G01N 2300, A61B 502

Patent

active

046928642

ABSTRACT:
A method of quantitatively determining the stenosis of the blood vessel using a digital subtraction angiographic image of the blood vessel. The method includes obtaining numbers proportional to the cross sectional areas of the blood vessel at stenosis portions and normal portions by obtaining density profiles less residual background from the images at those portions.

REFERENCES:
patent: 4111191 (1978-09-01), Sherro
patent: 4154231 (1979-05-01), Russel
patent: 4326252 (1982-04-01), Kohno et al.
patent: 4384209 (1983-05-01), Wagner et al.
patent: 4400827 (1983-08-01), Spears
patent: 4544949 (1985-10-01), Kurihara

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