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Membrane splittable tubing

  • US 5,104,388 A
  • Filed: 05/08/1990
  • Issued: 04/14/1992
  • Est. Priority Date: 05/08/1990
  • Status: Expired due to Fees
First Claim
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1. A flexible splittable tube, said tube comprising an inner layer having a central bore and a relatively thick wall, said tube also including a second outer layer having a relatively thin wall, said wall of said inner layer having extending therethrough at least a first longitudinal slot for defining a longitudinal stress point along said outer layer, said at least first longitudinal stress point having an inward facing opening of a size to provide a stress on said outer layer when forced apart said outer layer being frangible and of a thickness to split upon the removal of said tube in the presence of an in-dwelling catheter occupying said central bore.

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