JP2004528126A5 - - Google Patents

Claims (16)

Intravascular catheter including an elongated catheter shaft having:
A proximal end and a distal end having a distal port;
A proximal portion including a proximal end and a distal portion including a distal end;
An elongated component receiving lumen having a proximal end and a distal end and extending between the proximal and distal portions for receiving the elongated component therein; and the elongated component into or out of the elongated component receiving lumen Access to guide from the lumen. Elongate parts receiving lumen, the position is a proximal end substantially catheter shaft, located close to the proximal end of the shaft than the distal side and the distal end of the substantially shaft than the proximal end of the catheter shaft, or The catheter of claim 1, extending distally from a position proximal to the proximal end of the catheter shaft and substantially equidistant from the proximal and distal ends of the shaft . The catheter of claim 1, wherein the elongate part receiving lumen extends distally to a port at the distal end of the catheter shaft , or extends substantially along the entire length of the catheter shaft . 4. A catheter according to any one of claims 1 to 3, wherein the proximal end of the access coincides with the proximal end of the elongated component receiving lumen or is distal to the proximal end of the elongated component receiving lumen . The proximal end of the access is in substantially close to the proximal end of the shaft from the distal end of the shaft, or from the proximal end and a distal end of the shaft equidistant, according to claim 4, wherein catheter. 6. The catheter of any one of claims 1-5, wherein access extends from a proximal end of the elongate part receiving lumen to a location proximal to the distal end of the elongate part receiving lumen. The catheter according to any one of the preceding claims, wherein the access is located at a location about 3 to about 50 cm proximally away from the distal end of the catheter shaft. 8. A catheter according to any one of the preceding claims, wherein the access is formed by a plurality of access portions longitudinally separated from each other by continuous access or non-access portions . The catheter according to any one of claims 1 to 8 , further comprising a therapeutic or diagnostic element at a distal portion of the catheter shaft. The catheter according to any one of claims 1 to 9, wherein the intravascular catheter is a balloon catheter further comprising an inflatable balloon at a distal portion of the catheter shaft. 11. A catheter according to any preceding claim, wherein the elongate part receiving lumen is in fluid connection with the exterior of the catheter shaft by access. 12. A catheter according to any one of the preceding claims, wherein the elongate component comprises a tubular body and a guide wire disposed at least partially therein. An intravascular catheter performs the procedure at a location within the patient's coronary artery, and has a proximal end and a distal end and an internal lumen extending therethrough, the distal end of the guide catheter being positioned at the patient's coronary ostium and guiding 13. A catheter according to claims 1-12 configured for use with a guide catheter designed to extend the proximal end of the catheter outside the patient . The elongate part receiving lumen is configured sufficiently proximally away from the distal end of the catheter shaft and is maintained in the guide catheter or substantially within the straight portion of the guide catheter during the procedure or guided during the procedure. 14. The catheter of claim 13, configured to extend proximally from the proximal end of the catheter. 15. The catheter of claim 14 , wherein the portion of the elongated component receiving lumen maintained within the guide catheter includes at least a portion of the access. 16. Access according to any of claims 13 to 15, wherein the access is configured to extend at least partially distally from the distal end of the guide catheter or proximally from the proximal end of the guide catheter during the performance of the procedure . The catheter according to one item .