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:
Apr. 23, 2002
Filed:
Mar. 13, 1995
Francis A. Spelman, Seattle, WA (US);
Page Read, Seattle, WA (US);
N. Mani Prakash, Seattle, WA (US);
James A. Nelson, Seattle, WA (US);
Charles E. Pope, Seattle, WA (US);
Margaret Heitkemper, Seattle, WA (US);
James D. Rothermel, Seattle, WA (US);
University of Washington, Seattle, WA (US);
Abstract
An apparatus ( ) and method of non-invasive monitoring of gut motility. An ingestible magnet ( M) is swallowed by the patient ( ) and then linear and rotational movement is directionally detected by an external compass ( ). In preferred form, movements of the magnet ( M) are recorded by a memory means ( ) and graphically presented ( ) over a period of predetermined time. An alternate embodiment includes multiple compasses (C C ) for directionally locating the magnet ( M) within the patient ( ).