Conduit for interventional procedures

Abstract

A conduit, such as an introducer sheath, catheter, or guide catheter, incorporating two or more separate lumens to prevent the entanglement of guidewires located at least partially within the conduit. The lumens are separated by at least one disruptable barrier that allows multiple lumens to be converted into fewer lumens prior to or as a device is advanced through the introducer sheath.

1 . A conduit for use in an interventional procedure comprising: 
 a main body having a length;    at least one disruptable barrier within the main body extending along at least a portion of the length of the main body, defining at least two lumens within the main body;    wherein the barrier is adapted to be disrupted before or during the procedure to reduce the number of lumens within the main body.    
   
   
       2 . The conduit of  claim 1 , wherein the lumens are each adapted to receive a separate elongated member and prevent the elongated members from tangling with each other.  
   
   
       3 . The conduit of  claim 2 , wherein at least one of the elongated members is used to access side vessels.  
   
   
       4 . The conduit of  claim 1 , that comprises at least two disruptable barriers, defining at least three lumens within the main body.  
   
   
       5 . The conduit of  claim 1 , that allows for delivery of a main treatment device through the main body following disruption of the barrier.  
   
   
       6 . The conduit of  claim 1 , that includes at least one hemostatic seal having multiple openings, each corresponding with each of the lumens in the main body.  
   
   
       7 . The conduit of  claim 6 , wherein the multiple openings are adapted to form into a single opening.  
   
   
       8 . The conduit of  claim 1 , wherein the barrier comprises a membrane.  
   
   
       9 . The conduit of  claim 2 , wherein the elongated member is a guidewire.  
   
   
       10 . The conduit of  claim 1 , wherein the disruptable barrier material comprises a material selected from the group consisting of polyethylene, polypropylene, polyvinyl chloride, polyurethanes, siloxanes, polyetherester, polytetrafluoroethylene, polyimide, nylon, polyethylene terephthalate, thermoplastic elastomers, polyolefins, polyester, polyamides, polydimethylsiloxane, natural rubber, polyether block amide, ethylene vinyl acetate, and combinations thereof.  
   
   
       11 . The conduit of  claim 1 , wherein the conduit is an introducer sheath.  
   
   
       12 . The conduit of  claim 1 , wherein the conduit is a guide catheter.  
   
   
       13 . The conduit of  claim 1 , wherein the at least one disruptable barrier extends for substantially the entire length of the conduit.  
   
   
       14 . An introducer sheath having a length, a proximal end, and a distal end comprising: 
 A hemostatic seal located at the proximal end;    The hemostatic seal comprising at least one elastomeric sealing disk;    The at least one elastomeric sealing disk comprising a plurality of interconnected guidewire insertion sites.    
   
   
       15 . The introducer sheath of  claim 14 , wherein the hemostatic seal comprises at least three elastomeric sealing disks.  
   
   
       16 . The introducer sheath of  claim 14 , wherein the at least one elastomeric sealing disk comprises at least three guidewire insertion sites.  
   
   
       17 . The introducer sheath of  claim 15 , wherein the at least one elastomeric sealing disk comprises at least three guidewire insertion sites.  
   
   
       18 . The introducer sheath of  claim 14 , wherein the plurality of guidewire insertion sites comprise pre-punctured holes sized to accept a guidewire therethrough.  
   
   
       19 . A kit comprising: 
 An introducer sheath having a length, a proximal end, a distal end, and a lumen extending from the proximal end to the distal end; and    A dilator having a length, a proximal end, and a distal end, the dilator being sized to be locatable within the lumen of the introducer sheath and having an outer geometric shape that defines at least two lumens between the introducer sheath and the dilator when the dilator is inserted into the introducer sheath lumen.    
   
   
       20 . The kit of  claim 19 , wherein the dilator outer geometric shape comprises at least two longitudinally extending grooves sized to accept a guidewire.  
   
   
       21 . The kit of  claim 19 , wherein the dilator outer geometric shape is cross-shaped, the cross-shape forming four lumens between the dilator and the introducer sheath when the dilator is inserted into the introducer sheath lumen.  
   
   
       22 . The introducer sheath of  claim 14 , wherein the guidewire insertion sites are interconnected by at least one slit.  
   
   
       23 . The conduit of  claim 1 , wherein the main body has a first outer diameter, wherein the first outer diameter is expandable to a relatively larger diameter upon insertion of at least one elongated member into the main body.