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MAGNETIC BIOLOGICAL ENTITY SEPARATION DEVICE AND METHOD OF USE

  • US 20190270092A1
  • Filed: 03/03/2018
  • Published: 09/05/2019
  • Est. Priority Date: 03/03/2018
  • Status: Active Grant
First Claim
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1. A device for separating biological entities with magnetic labels from a fluid sample, the device comprising:

  • a first soft magnetic pole having a first base end contacting a first magnet, and a first tip end smaller than said first base end, thereby concentrating magnetic flux generated by said first magnet to said first tip end;

    a second soft magnetic pole having a second base end contacting a second magnet, and a second tip end smaller than said second base end, thereby concentrating magnetic flux generated by said second magnet to said second tip end;

    wherein said first and second tip ends being apart and across from each other to form magnetic field in between, whereas a first surface of said first tip end and a second surface of said second tip end converging into a convex;

    a channel contacting said first and second surfaces by a third surface that conformally encompasses said convex; and

    wherein said biological entities with magnetic labels are separated towards said convex from said fluid sample passing through said channel.

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