Stent delivery system having stent securement apparatus
DC CAFCFirst Claim
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1. A medical device, comprising:
- an elongate shaft including a first tubular member and a second tubular member;
a balloon coupled to the shaft;
a first member coupled to the first tubular member and positioned within the balloon, the first member including a distal stop with a tapered distal portion;
wherein the distal stop includes a proximal end face extending substantially perpendicular to a longitudinal axis of the elongate shaft;
a second member coupled to the first tubular member and positioned within the balloon, the second member having a distal end disposed proximal of the distal stop; and
a medical implant coupled to the shaft and positioned adjacent to the balloon.
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Abstract
Medical devices and methods for making and using medical devices are disclosed. An example medical device may include an elongate shaft including a first tubular member and a second tubular member. A balloon may be coupled to the shaft. A first member may be coupled to the first tubular member and positioned within the balloon. A second member may be coupled to the first tubular member and positioned within the balloon. A medical implant may be coupled to the shaft and positioned adjacent to the balloon.
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Citations
26 Claims
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1. A medical device, comprising:
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an elongate shaft including a first tubular member and a second tubular member; a balloon coupled to the shaft; a first member coupled to the first tubular member and positioned within the balloon, the first member including a distal stop with a tapered distal portion; wherein the distal stop includes a proximal end face extending substantially perpendicular to a longitudinal axis of the elongate shaft; a second member coupled to the first tubular member and positioned within the balloon, the second member having a distal end disposed proximal of the distal stop; and a medical implant coupled to the shaft and positioned adjacent to the balloon. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A system for delivering a medical device, the system comprising:
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a catheter shaft, the catheter shaft including an inner tubular member and an outer tubular member; a balloon coupled to the catheter shaft; a distal stop including a tapered distal portion attached to the inner tubular member and positioned at least partially underneath the balloon; wherein the distal stop includes a proximal end face extending substantially perpendicular to a longitudinal axis of the catheter shaft; a proximal member attached to the inner tubular member and positioned underneath the balloon, the proximal member having a distal end disposed proximal of the distal stop; and a cardiovascular implant disposed along the catheter shaft, the cardiovascular implant being configured to shift between a first configuration and an expanded configuration. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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21. A medical device for implanting a medical implant, the medical device comprising:
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a catheter shaft, the catheter shaft including an inner tubular member and an outer tubular member; a balloon attached to the catheter shaft; wherein a proximal portion of the balloon is coupled to the outer tubular member and a distal portion of the balloon is coupled to the inner tubular member; wherein an inflation lumen is defined between the inner tubular member and the outer tubular member, the inflation lumen being in fluid communication with the balloon; wherein a body portion of the balloon extends over an implant receiving region of the inner tubular member; a distal stop including a tapered distal portion attached to the inner tubular member adjacent to the implant receiving region; wherein the distal stop includes a proximal end face extending substantially perpendicular to a longitudinal axis of the catheter shaft; wherein at least a portion of the distal stop is disposed within the balloon; a proximal member attached to the implant receiving region and positioned between the implant receiving region and the body portion of the balloon, the proximal member having a distal end disposed proximal of the distal stop; and an implantable endoprosthesis disposed along the catheter shaft, the implantable endoprosthesis being configured to be received along the implant receiving region. - View Dependent Claims (22, 23, 24, 25)
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26. A system for delivering an implantable medical device, the system comprising:
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a catheter shaft, the catheter shaft including an inner tubular member and an outer tubular member; wherein the inner tubular member has a distal end that extends distally beyond a distal end of the outer tubular member; wherein the inner tubular member defines a guidewire lumen; a balloon attached to the catheter shaft, the balloon being configured to shift between a collapsed configuration and an expanded configuration; wherein a proximal portion of the balloon is coupled to the outer tubular member and a distal portion of the balloon is coupled to the inner tubular member; wherein an inflation lumen is defined between the inner tubular member and the outer tubular member, the inflation lumen being in fluid communication with the balloon; wherein a body portion of the balloon extends over an implant receiving region of the inner tubular member; a distal stop attached to the inner tubular member at a position adjacent to the implant receiving region, the distal stop being disposed at least partially between the balloon and the inner tubular member; wherein at least a section of the distal stop is tapered; a proximal member attached to the implant receiving region and being positioned between the implant receiving region and the body portion of the balloon; wherein the distal stop is axially spaced from the proximal member; a first radiopaque marker disposed along the implant receiving region and positioned adjacent to the distal stop; a second radiopaque marker disposed along the implant receiving region and positioned adjacent to the proximal member; wherein the first radiopaque marker is axially spaced from the second radiopaque marker; and an implantable endoprosthesis disposed along the catheter shaft and configured to be received along the implant receiving region, the implantable endoprosthesis being configured to be expandable by the balloon.
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Specification