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:
Sep. 08, 1998
Filed:
Oct. 30, 1996
Yasuhisa Ohara, Houston, TX (US);
Kenzo Makinouchi, Houston, TX (US);
Yukihiko Nose, Houston, TX (US);
Kyocera Corporation, Kyoto, JP;
Baylor College of Medicine, Houston, TX (US);
Abstract
A centrifugal blood pump used for heart-lung machines or the like comprising an impeller provided with pump vanes and a magnet means such as permanent magnets, a casing having an inlet port and an outlet port and rotatably accommodating the impeller, and a magnet drive means disposed outside the casing, wherein the impeller is supported by at least three balls above the bottom plate of the casing, held at the center of the bottom plate and rotated around the center axis of the impeller by the magnet means and the magnet drive means. When the upper and lower ends of the rotation shaft of the impeller are supported by the casing, the upper end of the rotation shaft is supported by a bearing embeddedly disposed at the top section of the conical section of the casing, and the inlet port of the casing is disposed adjacent to and eccentric from the top section.