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:
May. 16, 2023
Filed:
Aug. 05, 2019
Applicant:
Terumo Kabushiki Kaisha, Tokyo, JP;
Inventors:
Tomoaki Hashimoto, Kanagawa, JP;
Tsuyoshi Hasegawa, Kanagawa, JP;
Ryohei Katsuki, Kanagawa, JP;
Yuuki Hara, Kanagawa, JP;
Assignee:
TERUMO KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M 1/36 (2006.01); G01F 23/292 (2006.01);
U.S. Cl.
CPC ...
A61M 1/3624 (2013.01); G01F 23/292 (2013.01); A61M 2205/3334 (2013.01); A61M 2205/3379 (2013.01);
Abstract
An extracorporeal circulation apparatus has a blood reservoir temporarily storing blood and a presence information acquisition unit to detect presence or absence of blood at respective wall locations in a two-dimensional array. A control unit determines the position of a blood surface on the basis of consecutive elements in the array having detected blood along at least one of a first direction parallel to the blood surface and a second direction perpendicular to the blood surface.