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Liquid sampling utilizing ribbed pipette tip for barrier penetration

  • US 20060171851A1
  • Filed: 01/28/2005
  • Published: 08/03/2006
  • Est. Priority Date: 01/28/2005
  • Status: Abandoned Application
First Claim
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1. A disposable plastic pipette tip comprising a hollow body having a proximal opening at its proximal end for mounting to a mounting shaft of a pipettor and a distal opening at its distal end for aspirating liquid into and dispensing liquid from the hollow body, the pipette tip comprising:

  • a collar encircling and extending from the proximal opening; and

    a barrel extending from the collar to the distal opening, the barrel having an outer surface with at least four ribs extending longitudinally along the outside surface of the barrel, each rib being circumferentially spaced from one another at a uniform distance from each other and each rib being symmetrically sized and positioned on the pipette tip barrel; and

    wherein a central longitudinal axis passes through the hollow body of the pipette tip, each rib has an apex, and the distance from the central longitudinal axis to the apex of each rib is such that an imaginary line passing through the apex to an adjacent apex in a plane perpendicular to the central longitudinal axis does not otherwise intersect the outer surface of the pipette tip barrel.

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