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Rapid exchange over-the-wire catheter with breakaway feature

  • US 5,195,978 A
  • Filed: 12/11/1991
  • Issued: 03/23/1993
  • Est. Priority Date: 12/11/1991
  • Status: Expired due to Term
First Claim
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1. A rapid exchange over-the-wire catheter for use in combination with a guidewire which has been positioned at a target site in a patient'"'"'s body, said catheter comprising:

  • a tubular shaft having a proximal end, a distal end, and at least one lumen adapted to receive said guidewire; and

    a tear strip longitudinally disposed in said tubular shaft along said lumen from said proximal end toward said distal end for progressively removing said tear strip from said tubular shaft from said proximal end toward said distal end to expose said guidewire and to allow said catheter to be removed from said guidewire while maintaining said guidewire in said desired position.

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