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Intravascular device delivery sheath

  • US 10,661,052 B2
  • Filed: 07/27/2017
  • Issued: 05/26/2020
  • Est. Priority Date: 07/29/2016
  • Status: Active Grant
First Claim
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1. A hybrid tubular member, the tubular member comprising:

  • a coil inner layer having a proximal end and a distal end, a longitudinal axis extending therebetween, an angle of the coil in relation to the longitudinal axis forming an inner layer angle; and

    a hypotube, with a plurality of openings, forming an outer layer longitudinally overlapping the inner layer and positioned circumferentially outside and adjacent to the inner layer, the outer layer including one or more constituent elements having an outer layer angle relative to the longitudinal axis that is less than the inner layer angle; and

    a braided contact layer disposed within the coil inner layer, the braided contact layer forming a lumen to receive an intravascular device, an inner surface of the braided contact layer being more continuous than a surface of the coil inner layer.

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