JP2006527629A5 - - Google Patents

Claims (10)

A catheter for locally supplying a fluid agent to a patient's renal artery and containing a medical intervention device,
A catheter having a proximal end position, the intermediate distal position location, distal end position, the central lumen and at least one outer lumen,
A local injection assembly to have a tube, the tube is inserted into the outer side lumen, the tube is then closed proximal end position, the distal end position and the first injection port, said first injection A port is disposed on the tube between a distal end position of the tube and an intermediate distal position of the catheter ;
Here, the distal end position of the tube is connected to the distal end position of the catheter, the tube is adjustable between a first position and a second position, and a local injection assembly,
In the first position, the tube is configured to be delivered to a location in the abdominal aorta associated with blood flowing into the plurality of renal arteries mouth, and in the second position, the tube is fixed to該場office It is configured so that the injection port is positioned to deliver fluid agents from the fluid agent source into the bloodstream, a catheter. The catheter of claim 1, further comprising a fluid agent source fluidly coupled to a proximal end location of the tube. The catheter of claim 1 or 2, wherein the central lumen is adapted to provide a passageway from a proximal end position to a distal end position of the catheter to accommodate a medical interventional device. At least one second tube;
The catheter according to any one of claims 1 to 3 , further comprising at least one second injection port disposed in the second tube. The catheter according to any one of claims 1 to 3, further comprising at least three tubes. The catheter according to any one of claims 1 to 3, further comprising at least four tubes. The catheter has a longitudinal axis;
The first and second tubes in the first arrangement have a first radial position relative to the longitudinal axis;
The first and second pipe in the second arrangement, having a second radial position extending radially from the longitudinal axis with respect to the first radial position, any one of claims 4 to 6 The catheter according to 1. The catheter according to any one of claims 4 to 7, wherein the first and second tubes are located on respective opposing sides of the catheter around the catheter. Each of the first and second tubes extends between an intermediate distal position and a distal position on a respective opposite side of the catheter;
9. In a second arrangement, according to any one of claims 4 to 8 , wherein the first and second tubes are biased outwardly from the catheter and between respective intermediate and distal positions of the catheter. The catheter described. Further comprising first and second markers located along the first and second tubes, respectively, at locations substantially corresponding to the first and second injection ports;
Each of the first and second markers indicates to the operator outside the patient the location of the first and second injection ports and delivers the first and second injection ports to the first and second positions, respectively. 10. A catheter according to any one of claims 4 to 9 , adapted to assist .