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Surgical device for repairing aneurysms

  • US 5,709,702 A
  • Filed: 10/15/1996
  • Issued: 01/20/1998
  • Est. Priority Date: 10/15/1996
  • Status: Expired due to Fees
First Claim
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1. A surgical device, comprising:

  • a length of flexible catheter tubing; and

    a helical coil spring within said catheter tubing, said spring being wound under stress within said catheter tubing so that said spring will expand radially when released from said catheter tubing, a helical flap positioned between the coils of said helical spring and attached on one side thereof to said spring, said flap being arranged to allow flow from the exterior of said spring to the interior of the spring, but prevent flow through the coils of said spring from the interior of said spring to the exterior of the spring.

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