MEDICAL DEVICE DELIVERY SYSTEMS THAT FACILITATE MEDICAL DEVICE PLACEMENT IN THE PRESENCE OF ULTRASONIC WAVES
Delivery systems, methods of fabricating delivery systems, and methods of implanting intraluminal medical devices at a point of treatment within a body vessel are provided. Delivery systems include an elongate tubular member that has first and second wall portions with different acoustic impedences....
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Zusammenfassung: | Delivery systems, methods of fabricating delivery systems, and methods of implanting intraluminal medical devices at a point of treatment within a body vessel are provided. Delivery systems include an elongate tubular member that has first and second wall portions with different acoustic impedences. An intraluminal medical device is disposed on a mounting region of a dilator and within the elongate tubular member. One of the wall portions of the elongate tubular member is positioned substantially adjacent a functional mechanism of the intraluminal medical device. This positioning facilitates placement of the intraluminal medical device within a body vessel in a particular orientation by observing the differential reflection of ultrasonic waves caused by the different acoustic impedences of the first and second wall portions of the elongate tubular member. Rotatation of the delivery system following and/or during such an observation can be employed to achieve a desired orientation of the intraluminal medical device within the body vessel. |
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