| 摘要 |
A steerable catheter comprises a flexible tubular body having a proximal end, a distal end, and at least one lumen; an inflatable annular balloon positioned on or near the distal end of the tubular body; at least one electrode positioned on or near the distal end of the tubular body; and a handle attached to the proximal end of the tubular body. The handle cooperates with the distal end of the tubular body to steer the catheter. The catheter is especially useful in placing pacemaker or defibrillator leads in the heart or coronary sinus. Additionally, the invention also provides a device and platform for providing a variety of medical technologies including angiography, venography, angioplasty, stenting, valvuloplasty, embolization, drug delivery, and additional therapy delivery (e.g., laser, radiofrequency energy, ultrasound, microwave, etc).
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