| 摘要 |
A catheter for introduction into the vascular system of an animal is disclosed comprising: a tubular member with a proximal and distal end and an inner and outer surface, the outer surface provided with an inflatable steering means, the inner surface defining a passage, the passage provided with a guide wire; and a control means operably linked to the inflatable steering means for selectively inflating same, said control means inflating said inflatable steering means to align said tubular member toward a selected branch of the vascular system, said guide wire being directed through the passage into said selected branch of said vascular system and said tubular member being advanced over the guide wire into said selected branch of the vascular system.
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