Yarns containing thermoplastic elastomer copolymer and polyolefin filaments

Abstract

Braids and surgical devices are made from yarns that include a core sheath construction with at least one yarn made from a thermoplastic elastomer and at least one yarn made from a polyolefin material.

1 . A surgical device comprising:
 a core comprising at least one filament; and   a sheath disposed around the core, the sheath including a first yarn comprising a thermoplastic elastomer and a second yarn comprising a polyolefin material.   
   
   
       2 . The surgical device according to  claim 1 , wherein the thermoplastic elastomer is a polyester-ether block copolymer. 
   
   
       3 . The surgical device according to  claim 2 , wherein the polyester-ether block copolymer comprises a polyester block, wherein the polyester block is selected from the group consisting of polyalkylene terephthalate, polyethylene terephthalate, polytrimethylene terephthalate and polybutylene terephthalate. 
   
   
       4 . The surgical device according to  claim 2 , wherein the polyester-ether block copolymer comprises a polyether block, wherein the polyether block is selected from the group consisting of long chain poly ether glycols, polyalkylene ether glycols, poly(ethylene ether)glycol, poly(1,2- and 1,3-propylene ether)glycol, poly(tetramethylene ether)glycol, poly(1,2-butylene ether)glycol, poly(pentamethylene ether)glycol, poly(hexamethylene ether)glycol, poly(heptamethylene ether)glycol, poly(octamethylene ether)glycol, and poly(nonamethylene ether)glycol. 
   
   
       5 . The surgical device according to  claim 1 , wherein the thermoplastic elastomer comprises a polyester-ether block copolymer including polybutylene terephthalate and poly(tetramethylene ether) glycol. 
   
   
       6 . The surgical device according to  claim 1 , wherein the polyolefin material comprises an ultra high molecular weight polyethylene. 
   
   
       7 . The surgical device according to  claim 1 , wherein the first yarn and the second yarn are in a braided construction. 
   
   
       8 . The surgical device according to  claim 1 , wherein the first yarn and the second yarn are multifilament yarns. 
   
   
       9 . The surgical device according to  claim 1 , wherein the core comprises about 100 weight % polyolefin. 
   
   
       10 . The surgical device according to  claim 1 , wherein the core comprises about 100 weight % polybutester. 
   
   
       11 . The surgical device according to  claim 1 , wherein the sheath comprises from about 35 weight % to about 98 weight % polyolefin. 
   
   
       12 . The surgical device according to  claim 1 , wherein the sheath comprises from about 40 weight % to about 94 weight % polyolefin. 
   
   
       13 . The surgical device according to  claim 1 , wherein the sheath comprises from about 2 weight % to about 65 weight % thermoplastic elastomer. 
   
   
       14 . The surgical device according to  claim 1 , wherein the sheath comprises from about 6 weight % to about 60 weight % thermoplastic elastomer. 
   
   
       15 . The surgical device according to  claim 1 , wherein the surgical device comprises a suture in combination with a suture anchor. 
   
   
       16 . The surgical device according to  claim 1 , further including a colored identifier. 
   
   
       17 . A surgical device comprising:
 a core comprising at least one filament; and,   a sheath disposed around the core, the sheath including a first yarn comprising a polyester-ether copolymer in combination with a second yarn comprising an ultra high molecular weight polyethylene.   
   
   
       18 . The surgical device according to  claim 17 , wherein the first yarn and the second yarn are multifilament yarns. 
   
   
       19 . The surgical device according to  claim 17 , wherein the polyester-ether copolymer comprises a polybutester. 
   
   
       20 . The surgical device according to  claim 17 , wherein the core comprises about 100 weight % ultra high molecular weight polyethylene. 
   
   
       21 . The surgical device according to  claim 17 , wherein the core comprises about 100 weight % polybutester. 
   
   
       22 . The surgical device according to  claim 17 , wherein the sheath comprises from about 35 weight % to about 98 weight % ultra high molecular weight polyethylene. 
   
   
       23 . The surgical device according to  claim 17 , wherein the sheath comprises from about 40 weight % to about 94 weight % ultra high molecular weight polyethylene. 
   
   
       24 . The surgical device according to  claim 17 , wherein the sheath comprises from about 2 weight % to about 65 weight % polyester-ether copolymer. 
   
   
       25 . The surgical device according to  claim 17 , wherein the sheath comprises from about 6 weight % to about 60 weight % polyester-ether copolymer. 
   
   
       26 . The surgical device according to  claim 17 , further including a colored identifier.