Image averaging for angiography by registration and combination of serial images
CA 1138130 A · Owner: The University Of Southern California · Inventors: Brooks, Samuel H.; Crawford, Donald W.; Selzer, Robert H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Docket No. 1920-123, Inventors: Samuel H. Brooks Robert H. Selzer, Donald W. Crawford and David H. Blankenhorn Title: IMAGE AVERAGING FOR ANGIOGRAPHY BY REGISTRATION AND COMBINATION OF SERIAL IMAGES, ABSTRACT OF THE DISCLOSURE A method and apparatus for angiography in which information contained within multiple serial images of contrast medium flowing through a blood vessel is combined to form a single image having improved vessel edge delineation. More specifically a method is disclosed whereby a contrast medium opaque to X-rays is injected into a blood vessel distant from an artery section of interest preferably, injected into a vein, whereby the contrast medium is mixed with blood prior …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted December 21, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 21, 1999.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.