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:
Dec. 18, 2018
Filed:
Jan. 20, 2015
Nipro Corporation, Osaka, JP;
Toshinari Takahashi, Osaka, JP;
Masashi Yokota, Osaka, JP;
Hiroshi Fukushima, Osaka, JP;
Kimihiko Nakamura, Osaka, JP;
Nipro Corporation, Osaka, JP;
Abstract
To provide a blood treatment filter device capable of efficiently utilizing a blood treatment filter. A blood treatment filter devicehas a filter sheetthrough which a specific component among components forming blood is harder to pass than other components and a spacer sheetthrough which the specific component is easier to pass than through the filter sheet. The filter sheethas filter through-holesdisposed at intervals. The filter sheetand the spacer sheetare spirally wound in an overlapped state. The filter devicehas sealssealing both end portions in the longitudinal direction of a wound bodyformed by the filter sheetand the spacer sheetwhich are spirally wound in a fluid-tight manner. The outer peripheral surface of the wound bodyis formed by the filter sheet