The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 01, 1997
Filed:
Aug. 09, 1996
Arnon Mick, Haifa, IL;
CMT-Medical Technologies Ltd., Haifa, IL;
Abstract
A method of producing a road-mapped image of a body portion for monitored guidance of a catheter therethrough, the method including providing a first X-ray transmission frame of the body portion, injecting contrast-enhancing material into a blood vessel in the body portion, irradiating the body portion with X-ray radiation for a first irradiation session, producing a series of second X-ray transmission frames of the body portion during the first irradiation session, forming a series of third, subtracted, frames each third frame corresponding to the difference between a respective second frame and the first frame, selecting one of the third frames, irradiating the body portion with X-ray radiation for a second irradiation session, guiding the catheter through a blood vessel in the body portion during the irradiation session, producing a first, dynamic, X-ray transmission image including a plurality of fourth frames of the body portion during the second irradiation session and forming a second, dynamic, image of the body portion including a series of fifth, subtracted, frames each fifth frame corresponding to the difference between a respective fourth frame and the second frame corresponding to the selected one of the third frames.