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:
Dec. 14, 1999
Filed:
Dec. 05, 1996
Kazuzo Hirai, Kyoto-fu, JP;
Fushimi Pharmaceutical Co., Ltd., Kagawa-ken, JP;
Abstract
To provide a barium powder preparation and application thereof to an extremely high density barium suspension, processes for producing them, and a method of upper gastrointestinal examination, wherein double contrast radiography can be carried out on-the-fly without the use of a gastric tube and the injection of any parasympathicolytic, only by one slow rolling operation with the patient on the table. A barium powder preparation obtained by mixing specified proportions of large, medium and small component particles which are produced from large, medium and small particles of pure barium sulfate having specific particle properties, by adding Gum Tragacanth and Carrageenan in specified amounts and at a specified ratio, kneading their mixture under specified kneading conditions to fragment the molecules of Gum Tragacanth and Carrageenan and coat the particles with them, and drying and sterilizing the particles, and a barium suspension prepared by suspending the above barium powder preparation in water at an extremely high density are used.