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Kink-free spiral-wound catheter

  • US 5,695,483 A
  • Filed: 08/17/1995
  • Issued: 12/09/1997
  • Est. Priority Date: 06/27/1994
  • Status: Expired due to Term
First Claim
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1. A catheter section comprising:

  • an elongate tubular member having a proximal end and a distal end and a passageway defining an inner lumen extending between those ends, said elongate tubular member comprising an outer tubular cover in coaxial relationship with at least a first ribbon stiffener comprising a superelastic alloy and having a handedness and spirally and coaxially wound and covered by said outer tubular cover, and the catheter section, in the region of the distal end, has a critical bend diameter of no more than 3.5 mm.

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