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:
Jan. 05, 2021
Filed:
Dec. 01, 2014
Planmed Oy, Helsinki, FI;
Leo Aspelund, Helsinki, FI;
Tapio Laukkanen, Espoo, FI;
Kustaa Nyholm, Siuntio, FI;
Jaakko Lahelma, Helsinki, FI;
Planmeca OY, Helsinki, FI;
Abstract
The invention relates to a tomosynthesis process in the context of mammography, in which several individual images of a breast are taken at different projection angles and in which of information thus acquired, tomographic images are synthesized with the help of an applicable image processing software. The mutual geometry of the imaging means of the imaging apparatus when taking these individual images is determined according to the invention by arranging in the imaging apparatus a calibration structure (), which includes balls () or other small objects absorbing X-radiation which are such placed that their projections will become imaged on said individual images.