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. 11, 2000
Filed:
Apr. 15, 1998
Minoru Nakagawara, Tokyo, JP;
Ken-Ichi Yamakoshi, Ishikawa, JP;
NEC Corporation, Tokyo, JP;
Abstract
A constant current having high frequency and a known small current value is flown by a current supplying electrode portion (20) through a chest of a living body, variations of impedance at respective positions of the chest are detected by a voltage detector portion (30) and output as detected signals in relation to the respective positions of the chest and a mapping and display portion 40 performs a signal processing on the basis of the detected signals and produces a map corresponding thereto and displays it in a two dimensional plane. Therefore, it is possible to monitor hemodynamics in a wide area of the living body in two dimensional coordinates.