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:
Nov. 08, 2011
Filed:
Jun. 15, 2006
Kazuhiro Sunagawa, Miyagi, JP;
Hiroshi Kanai, Miyagi, JP;
Kazuhiro Sunagawa, Miyagi, JP;
Hiroshi Kanai, Miyagi, JP;
Panasonic Corporation, Osaka, JP;
Abstract
An object of the invention is to provide an ultrasonic diagnostic apparatus that can conduct elastic modulus measurement with high accuracy without enlarging the circuit scale. A calculatoruses a signal from a receiver-transmitterto calculate the motion velocity or the move displacement of body tissue and the strain variation of the body tissue. A frequency analyzerconducts frequency analysis of the motion velocity and the move displacement of the body tissue found in the calculator. A strain induced by stress and elastic wave separatorseparates a frequency component with strain of an arterial wall caused by blood pressure change caused by pulsation of the heart, a frequency component of vibration caused by flow of blood into the lumen of artery, and a frequency component of noise based on the determination result of the frequency analyzer. An elastic modulus calculatorcalculates the elastic modulus of the body tissue based on the calculation result of the motion of the body tissue obtained in the calculator, etc.