Braided stent

Abstract

A stent for use in a body passageway includes a plurality of wires braided to form a self-expanding braided tubular structure. The braided wires form braiding angles along a length of the tubular structure. A portion of the wires are plastically deformed to reduce foreshortening of the braided structure.

1 - 76 . (canceled)  
   
   
       77 . A stent for use in a body passageway, comprising: 
 a plurality of wires braided to form a self-expanding braided tubular structure, the braided wires forming braiding angles along a length of the tubular structure;    wherein a portion of the wires are plastically deformed to reduce foreshortening of the braided structure.    
   
   
       78 . The stent of  claim 77 , wherein the braiding angles are obtuse angles.  
   
   
       79 . The stent of  claim 78 , therein the obtuse angles from about 110° to about 120°.  
   
   
       80 . The stent of  claim 77 , wherein the wires comprise metallic material.  
   
   
       81 . The stent of  claim 77 , wherein the plastically deformed portion is a bend.  
   
   
       82 . The stent of  claim 77 , wherein the plastically deformed portion is an arched portion.  
   
   
       83 . The stent of  claim 77 , wherein the plastically deformed portion is a smooth curved portion.  
   
   
       84 . The stent of  claim 77 , wherein braided tubular structure has a substantially uniform diameter.  
   
   
       85 . The stent of  claim 77 , wherein the braided structure further comprises a proximal end and a distal end; and a plurality of plastically deformed portions, wherein the plastically deformed portions are disposed at at least one of the proximal end or the distal end.  
   
   
       86 . The stent of  claim 85 , wherein the plastically deformed portions are disposed at both the proximal end and the distal end.  
   
   
       87 . The stent of  claim 81 , wherein the braided structure further comprises a proximal end and a distal end; and a plurality of plastically deformed portions, wherein the plastically deformed portions are disposed at at least one of the proximal end or the distal end.  
   
   
       88 . The stent of  claim 87 , wherein the plastically deformed portions are disposed at both the proximal end and the distal end.  
   
   
       89 . A stent for use in a body passageway, comprising: 
 a plurality of wires braided to form a self-expanding braided tubular structure, the braided wires forming braiding angles along a length of the tubular structure;    wherein a portion of the wires are plastically deformed to reduce flattening of the braided structure under radial deformation.    
   
   
       90 . The stent of  claim 89 , wherein the braiding angles are obtuse angles.  
   
   
       91 . The stent of  claim 90 , therein the obtuse angles from about 110° to about 120°.  
   
   
       92 . The stent of  claim 89 , wherein the wires comprise metallic material.  
   
   
       93 . The stent of  claim 89 , wherein the plastically deformed portion is a bend.  
   
   
       94 . The stent of  claim 89 , wherein the plastically deformed portion is an arched portion.  
   
   
       95 . The stent of  claim 89 , wherein the plastically deformed portion is a smooth curved portion.  
   
   
       96 . The stent of  claim 89 , wherein braided tubular structure has a substantially uniform diameter.  
   
   
       97 . The stent of  claim 89 , wherein the braided structure further comprises a proximal end and a distal end; and a plurality of plastically deformed portions, wherein the plastically deformed portions are disposed at at least one of the proximal end or the distal end.  
   
   
       98 . The stent of  claim 97 , wherein the plastically deformed portions are disposed at both the proximal end and the distal end.  
   
   
       99 . The stent of  claim 93 , wherein the braided structure further comprises a proximal end and a distal end; and a plurality of plastically deformed portions, wherein the plastically deformed portions are disposed at at least one of the proximal end or the distal end.  
   
   
       100 . The stent of  claim 99 , wherein the plastically deformed portions are disposed at both the proximal end and the distal end.  
   
   
       101 . A stent for use in a body passageway, comprising: 
 a plurality of wires braided to form a self-expanding braided tubular structure, the braided wires forming braiding angles along a length of the tubular structure;    wherein a portion of the wires are plastically deformed to restrict their movement within the braided tubular structure.    
   
   
       102 . The stent of  claim 101 , wherein the braiding angles are obtuse angles.  
   
   
       103 . The stent of  claim 102 , wherein the obtuse angles from about 110° to about 120°.  
   
   
       104 . The stent of  claim 101 , wherein the wires comprise metallic material.  
   
   
       105 . The stent of  claim 101 , wherein the plastically deformed portion is a bend.  
   
   
       106 . The stent of  claim 101 , wherein the plastically deformed portion is an arched portion.  
   
   
       107 . The stent of  claim 101 , wherein the plastically deformed portion is a smooth curved portion.  
   
   
       108 . The stent of  claim 101 , wherein braided tubular structure has a substantially uniform diameter.  
   
   
       109 . The stent of  claim 101 , wherein the braided structure further comprises a proximal end and a distal end; and a plurality of plastically deformed portions, wherein the plastically deformed portions are disposed at at least one of the proximal end or the distal end.  
   
   
       110 . The stent of  claim 101 , wherein the plastically deformed portions are disposed at both the proximal end and the distal end.  
   
   
       111 . The stent of  claim 105 , wherein the braided structure further comprises a proximal end and a distal end; and a plurality of plastically deformed portions, wherein the plastically deformed portions are disposed at at least one of the proximal end or the distal end.  
   
   
       112 . The stent of  claim 111 , wherein the plastically deformed portions are disposed at both the proximal end and the distal end.  
   
   
       113 . A stent for use in a body passageway, comprising: 
 a plurality of wires braided to form a self-expanding braided tubular structure, the braided wires forming braiding angles along a length of the tubular structure;    wherein portions of the wires are plastically deformed to provide smooth curved, arched portions.    
   
   
       114 . The stent of  claim 113 , wherein the braiding angles are obtuse angles.  
   
   
       115 . The stent of  claim 114 , therein the obtuse angles from about 110° to about 120°.  
   
   
       116 . The stent of  claim 113 , wherein the wires comprise metallic material.  
   
   
       117 . The stent of  claim 113 , wherein the smooth curved, arched portions are bends.  
   
   
       118 . The stent of  claim 113 , wherein the smooth curved, arched portions equidistant from one and another.  
   
   
       119 . The stent of  claim 113 , wherein braided tubular structure has a substantially uniform diameter.  
   
   
       120 . The stent of  claim 113 , wherein the braided structure further comprises a proximal end and a distal end; and wherein the arched portions are disposed at at least one of the proximal end or the distal end.  
   
   
       121 . The stent of  claim 120 , wherein the arched portions are disposed at both the proximal end and the distal end.  
   
   
       122 . The stent of  claim 117 , wherein the braided structure further comprises a proximal end and a distal end; and wherein the arched portions are disposed at at least one of the proximal end or the distal end.  
   
   
       123 . The stent of  claim 117 , wherein the arched portions are disposed at both the proximal end and the distal end.