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:
Feb. 21, 2023
Filed:
Aug. 28, 2018
Fujifilm Sonosite, Inc., Bothell, WA (US);
Sunnybrook Research Institute, Toronto, CA;
F. Stuart Foster, Toronto, CA;
Desmond Hirson, Thornhill, CA;
Nicholas Christopher Chaggares, Whitby, CA;
Emmanuel W. Cherin, Toronto, CA;
Jianhua Yin, Scarborough, CA;
Jing Yang, Toronto, CA;
Christine Demore, Toronto, CA;
FUJIFILM SONOSITE, INC., Bothell, WA (US);
SUNNYBROOK RESEARCH INSTITUTE, Toronto, CA;
Abstract
A dual frequency transducer array includes one or more low frequency transducer arrays and a high frequency transducer array. Unfocused ultrasound such as plane waves are transmitted by the one or more low frequency transducer arrays in a number of different directions into an imaging region of the high frequency transducer array. High frequency echo signals produced by excited contrast agent in the imaging region are received by the high frequency transducer array to produce a contrast agent image. In another embodiment, the high frequency transducer produces unfocused ultrasound to excite the contrast agent in the imaging region and the low frequency transducer(s) receives low frequency echo signals from the excited contrast agent. A tissue image is created from echo signals received by the high or low frequency transducer. Echo data from the tissue image and the contrast agent image are combined to produce a combined tissue/contrast agent image.