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  • US 4,986,810 A
  • Filed: 09/01/1989
  • Issued: 01/22/1991
  • Est. Priority Date: 09/01/1989
  • Status: Expired due to Term
First Claim
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1. A catheter comprising:

  • an elongated hollow member having a distal end region including at least one inlet positioned to allow entrance of body fluids into the interior of the elongated hollow member and an outlet in a proximal end region opposite of said distal end region for draining of body fluids from a body cavity;

    said inlet being located in the distal end region of said catheter;

    at least one flexible, laterally extendable wind member unitary with and on the exterior of said catheter for retaining the catheter within a body cavity by extension of the wing member against the inner wall of the body cavity;

    said wing member being attached to said catheter toward the distal end thereof but proximal to said inlet and foldable toward the proximal end thereof upon insertion of the catheter into the body cavity and foldable toward the distal end of said catheter upon withdrawal of the catheter from the body cavity.

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