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Artificial tubular organ

  • US 5,236,447 A
  • Filed: 06/28/1991
  • Issued: 08/17/1993
  • Est. Priority Date: 06/29/1990
  • Status: Expired due to Fees
First Claim
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1. An artificial tubular organ comprising:

  • a tubular supporting frame made of a plastic material, and a biocompatible material layer having airtightness arranged on said supporting frame so as to cover at least a portion of a surface of said supporting frame, said supporting frame comprising a plurality of ring portions arranged on an axis, and a plurality of pairs of connecting portions extending between adjacent ring portions so as to connect said ring portions to each other, a first group of alternating pairs of said connecting portions being diametrically arranged on said ring portions, a second group of remaining alternating pairs of said connecting portions being arranged such that a plane containing center lines of a pair of said second group is perpendicular to a plane containing center lines of a pair of said first group of diametrically arranged connecting portions,said biocompatible material layer comprising at least one fabric selected from the group consisting of woven fabrics, nonwoven fabrics, and knitted fabrics, wherein said fabric is partially absorbable in an organism such that the organism forms pores in the fabric, said pores having an average diameter of 300 to 1500 μ

    m and a surface area which occupies at least 20% of a surface area of said fabric.

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