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:
Aug. 21, 1990
Filed:
Mar. 07, 1988
Teijin Limited, Osaka, JP;
Abstract
A method for bone histomorphometry by using a non-decalcified bone specimen, comprising the steps of: (a) obtaining two pictures A and B by recording different chromatic light transmitted through a same region of said non-decalcified bone specimen or by recording different chromatic fluorescence from the region of said non-decalcified bone specimen; (b) detecting the strength (brightness) L.sub.An and L.sub.Bn of the corresponding image elements (pixels) An and Bn of said two pictures A and B; (c) determining the ratio L.sub.An /L.sub.Bn ; (d) performing the steps (b) and (c) on all corresponding image elements of said two pictures A and B; and (e) with regard to the ratio L.sub.An /L.sub.Bn, calculating and expressing areas of three components of bone, said three components of bone being a calcified bone area, an osteoid area, and a bone marrow area, in said non-decalcified bone specimen.