CRESCENT CHANNEL DYE FLOW ENABLED GUIDE CATHETERS

摘要

An intravascular catheter is disclosed that includes an elongated shaft defined by a wall including at least one port extending through the wall into a lumen. At least one channel may be defined between layers of polymer making up the catheter shaft. The channel extends along at least a portion of the shaft and is in fluid communication with the port. Outer and inner diameters of the catheter may be substantially constant along the length of the catheter.

主权项

1. An intravascular catheter, comprising:
an elongate shaft defined by a wall and having a proximal end, a distal end, and a lumen extending therebetween, the shaft having a length extending between the proximal and distal ends, the shaft having at least one port extending through the wall into the lumen; a first layer disposed over the shaft, the first layer extending from the proximal end of the shaft over the port to a distal terminus; a second layer disposed over the first layer; a third layer disposed over the second layer; and at least one channel defined between the second and third layers, the channel extending along at least a portion of the shaft and into the at least one port, wherein the at least one channel extends around less than an entire circumference of the shaft; wherein an outer diameter of the third layer is substantially constant along the length of the shaft.