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Rotational spun material covered medical appliances and methods of manufacture

  • US 10,675,850 B2
  • Filed: 08/21/2015
  • Issued: 06/09/2020
  • Est. Priority Date: 01/16/2012
  • Status: Active Grant
First Claim
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1. A method of constructing a medical appliance, the method comprising:

  • rotational spinning a first tube of polytetrafluoroethylene (PTFE) onto a mandrel, wherein the PTFE is expelled from a plurality of orifices of a spinneret under centrifugal force and hydrostatic force, wherein the spinneret rotates about an axis of rotation and the plurality of orifices are radially offset from the axis of rotation; and

    sintering the first tube.

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