Patent ID: 6299597
Filing Date: 2001-10-09
Classification: A61F,A61M

Abstract:
A multi-lumen stent forming catheter in combination with a source of polymeric stent forming material for the repair of vascular and the like anomalies, comprising:a) a source of polymeric stent forming material, said polymeric stent forming material being photo-curable, heat curable or chemically curable;b) said multi-lumen stent forming catheter having a proximal end and a distal end and consisting of:i) a main body of tubing having a proximal end portion and a distal end portion, and including at least three lumens, each of said at least three lumens having a proximal end and a distal end;ii) a percutaneous catheter balloon located at a distal end portion of the catheter, the balloon being unitary in construction and having a proximal end, a distal end and spaced end portions interconnected by an intermediate balloon portion of lesser diameter, said spaced end portions comprising first proximal enlarged and second enlarged distal balloon end portions when said balloon is at least partially inflated; the proximal balloon end portion of the balloon further comprises an outer surface, and first and second grooves extending over the surface to the space between the enlarged proximal and enlarged distal balloon end portions;iii) access means located at the proximal end portion of the tubing body, said access means providing access to the at least three lumens whereby a first lumen of said at least three lumens is used to inflate/deflate the balloon, a second lumen of said at least three lumens is a delivery lumen associated with the source of polymeric stent forming material and is used to deliver the polymeric material to the proximal enlarged end portion of the balloon, a third lumen of said at least three lumens is used as a vent lumen for flushing, drainage or removal of blood and biological material and/or venting to facilitate delivery of the polymeric stent forming material and one of said at least three lumens is used to insert into the balloon curing means for curing the polymeric stent forming material;iv) first small tubing means located at and associated with the proximal end portion of the balloon and in fluid communication with the delivery lumen and the access means, said first small tubing means being constructed and arranged so as to communicate between the delivery lumen and a region exterior of the balloon and located between the enlarged proximal and distal end portions of the balloon when at least partially inflated for the delivery of material therebetween; the first small tubing means is connected to the delivery lumen and fits in and extends along said first groove to the space between the first proximal and second distal enlarged balloon end portions of the balloon;v) second small tubing means located at and associated with the proximal end portion of the balloon and communicating with the vent lumen, said second small tubing means being constructed and arranged so as to communicate between the vent lumen and a region exterior of the balloon and located between the proximal and distal end portions of the balloon when said balloon is at least partially inflated for the delivery of the polymeric stent forming material therebetween, said second small tubing means thereby communicating between said region exterior of the balloon and the vent lumen for flushing, drainage or removal of blood and biological material and/or venting to facilitate delivery of the polymeric stent forming material, said balloon being constructed and arranged for use in shaping the polymeric stent forming material after introduction thereof and before curing thereof in situ; the second small tubing means is connected to the vent lumen and fits in and extends along said second groove to the space between the first proximal and second distal enlarged balloon end portions of the balloon; andc) curing means associated with and delivered by one of said at least three lumens for curing the polymeric stent forming material in situ.