Self-expanding, pseudo-braided intravascular device

Abstract

A self-expanding, pseudo-braided device embodying a high expansion ratio and flexibility as well as comformability and improved radial force. The pseudo-braided device is particularly suited for advancement through and deployment within highly tortuous and very distal vasculature. Various forms of the pseudo-braided device are adapted for the repair of aneurysms and stenoses as well as for use in thrombectomies and embolic protection therapy.

1 - 27 . (canceled)  
   
   
       28 . A device for use in embolic protection, comprising: 
 an elongate filament configured into a pseudo-braided pattern and formed to define a body having a generally tubular inferior portion and a generally conical superior portion; and    said proximal and distal portions each being defined by a plurality of endless reversals of direction of said filament.    
   
   
       29 . The device of  claim 28 , further comprising: 
 an elongate wire having proximal and distal end portions; and    said body configured about said elongate wire, said generally conical superior portion being affixed to said elongate wire.    
   
   
       30 . The device of  claim 29 , further comprising a delivery catheter, said delivery catheter having a generally tubular portion that is adapted for receiving said body and said elongate wire.  
   
   
       31 . The device of  claim 29 , further comprising a plurality of loops, a first end of said loops engaging said inferior portion of said body and a second end of said loops being affixed to said elongate wire.  
   
   
       32 . The device of  claim 31 , further comprising a collar, said collar being joined to said plurality of loops.  
   
   
       33 . The device of  claim 32 , wherein said collar is configured to slide longitudinally along said elongate wire.  
   
   
       34 . The device of  claim 32 , wherein said body is self-expanding.  
   
   
       35 . A thrombectomy device, comprising: 
 an elongate filament configured into a pseudo-braided pattern and formed to define a body having a first end and a second end; and    said first and second ends each being defined by a plurality of endless reversals of directions of said filament.    
   
   
       36 . The device of  claim 35 , further comprising: 
 an elongate wire, said body being configured about said wire; and    a collar configured about said elongate wire in a slidable fashion, said collar affixed to first said end of said body;    wherein said second end of said body is affixed to said elongate wire.    
   
   
       37 . The device of  claim 35 , wherein said pseudo-braided pattern is uniform along a length of said body.  
   
   
       38 . The device of  claim 35 , wherein said pseudo-braided pattern is varied along a length of said body.  
   
   
       39 . The device of  claim 35 , wherein said body is self-expanding.  
   
   
       40 - 42 . (canceled)