| 摘要 |
The present invention concerns tubular liners for insertion into a duct, sai d tubular liners defining first and second ends and a lumen, both of said firs t and second ends being open, such that fluid flow can occur through said tubular liners from said first end to said second end, characterised in that said liners comprises an auxetic material. Also provided are auxetic tubular liners having a range of specific structures, together with methods of linin g ducts using said tubular liners, and apparatus for same. |
