Swab for collecting biological specimens

  • US 9,011,358 B2
  • Filed: 06/25/2012
  • Issued: 04/21/2015
  • Est. Priority Date: 04/01/2003
  • Status: Active Grant
First Claim
Patent Images

1. A swab for collecting biological specimens to be analyzed, the swab comprising a rod terminating in a tip and a layer of fibers disposed on a surface of said tip by flocking with a flocking technique in which the fibers were deposited, in an electrostatic field, in an ordered manner perpendicularly to the surface of the tip of the swab rod, the layer of fibers having a thickness of 0.6 to 3 mm and a fiber count of 1.7 to 3.3 Dtex, said layer of fibers being configured to absorb a quantity of liquid specimens in said layer of fibers by capillarity and an amount of fiber deposited forming the flocked layer being configured to enable 40 μ

  • l of specimen to be absorbed in said layer of fibers on the tip of the rod.

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