Rolling membrane stent delivery system
First Claim
Patent Images
1. A medical device delivery system comprising:
- an inner tube, having a distal region and a proximal region, the inner tube having a medical device mounting region at the distal region for mounting a medical device thereon,a rolling retractable sheath for retaining a medical device on the inner tube, the sheath having a proximal end and a distal end, the sheath disposed about the inner tube, the sheath including a rolling double walled member, the double walled member having an inner wall attached to the inner tube proximal to the medical device mounting region and an outer wall, the inner wall having a greater tendency to rollingly move upon the application of a rolling force than the outer wall, the inner wall extending distally and attached to the outer wall, the sheath in the delivery position covering at least a portion of the medical device mounting region.
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Accused Products
Abstract
A medical device delivery system, having a rolling retractable sheath covering a medical device mounting region on the system is disclosed. The rolling retractable sheath comprises an inner wall and an outer wall and may be formed of one or more materials, optionally porous. Optionally, a lubricant may be applied selectively to the interior and exterior walls of the stent.
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Citations
48 Claims
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1. A medical device delivery system comprising:
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an inner tube, having a distal region and a proximal region, the inner tube having a medical device mounting region at the distal region for mounting a medical device thereon, a rolling retractable sheath for retaining a medical device on the inner tube, the sheath having a proximal end and a distal end, the sheath disposed about the inner tube, the sheath including a rolling double walled member, the double walled member having an inner wall attached to the inner tube proximal to the medical device mounting region and an outer wall, the inner wall having a greater tendency to rollingly move upon the application of a rolling force than the outer wall, the inner wall extending distally and attached to the outer wall, the sheath in the delivery position covering at least a portion of the medical device mounting region. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 36)
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26. A medical device delivery system comprising:
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an inner tube, having a distal region and a proximal region, the inner tube having a medical device mounting region at the distal region for mounting a medical device thereon, a rolling retractable sheath for retaining a medical device on the inner tube, the sheath having a proximal end and a distal end, the sheath disposed about the inner tube, the sheath including a rolling double walled member, the double walled member having an inner wall attached to the inner tube proximal to the medical device mounting region and an outer wall attached to a retraction means, the inner wall having a greater tendency to rollingly move upon the application of a rolling force than the outer wall the inner wall extending upward and attached to the outer wall, the sheath in the delivery position covering at least a portion of the medical device mounting region; and a retraction means operably connected to the rolling retractable sheath for retraction of the retractable sheath.
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27. A self-priming medical device delivery system comprising:
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an inner tube, having a distal region and a proximal region, the inner tube having a medical device mounting region at the distal region for mounting a medical device thereon, a rolling retractable sheath for retaining a medical device on the inner tube, the sheath having a proximal end and a distal end, the sheath disposed about the inner tube, the sheath including a rolling double walled member, the double walled member having an inner wall attached to the inner tube proximal to the medical device mounting region and an outer wall attached to a retraction device, the sheath formed of a material porous enough to allow fluids through, the sheath in the delivery position covering at least a portion of the medical device mounting region; and a retraction device operably connected to the rolling retractable sheath for retraction of the retractable sheath, the retraction device moving the outer wall in a proximal direction relative to the inner wall to expose the medical device mounting region. - View Dependent Claims (28, 29, 30, 31, 32, 33, 34)
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35. A self-priming medical device delivery system comprising:
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an inner tube, having a distal region and a proximal region, the inner tube having a medical device mounting region at the distal region for mounting a medical device thereon, a rolling retractable sheath for retaining a medical device on the inner tube, the sheath having a proximal end and a distal end, the sheath disposed about the inner tube, the sheath including a rolling double walled member, the double walled member having an inner wall attached to the inner tube proximal to the medical device mounting region and an outer wall attached to a retraction means, the sheath formed of a material porous enough to allow fluids through, the sheath in the delivery position covering at least a portion of the medical device mounting region; and a retraction means operably connected to the rolling retractable sheath for retraction of the retractable sheath.
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37. A medical device delivery system comprising:
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an inner tube, having a distal region and a proximal region, the inner tube having a medical device mounting region at the distal region for mounting a medical device thereon, a rolling retractable sheath for retaining a medical device on the inner tube, the sheath having a proximal end and a distal end, the sheath disposed about the inner tube, the sheath including a rolling double walled member, the double walled member having an inner wall attached to the inner tube proximal to the medical device mounting region and an outer wall attached to a retraction device, the inner wall formed of at least a first material, the outer wall formed of at least a second material different from the first material, the inner wall extending upward and attached to the outer wall, the sheath in the delivery position covering at least a portion of the medical device mounting region; and a retraction device operably connected to the rolling retractable sheath for retraction of the retractable sheath.
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38. A medical device delivery system comprising:
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an inner tube, having a distal region and a proximal region, the inner tube having a medical device mounting region at the distal region for mounting a medical device thereon, a rolling retractable sheath for retaining a medical device on the inner tube, the rolling sheath formed of a rolling double walled member closed on itself, the rolling retractable sheath having a proximal end and a distal end, the rolling sheath disposed about the inner tube, the proximal end of the rolling sheath secured to the inner tube proximal of the medical device mounting region, the distal end of the rolling sheath attached to a retraction device; and a retraction device operably connected to the distal end of the rolling retractable sheath for retraction of the retractable sheath. - View Dependent Claims (39, 40, 41, 42)
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43. The medical device delivery system 38 of wherein the rolling sheath is made of a plurality of different materials joined together.
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44. A medical device delivery system comprising:
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an inner tube, having a distal region and a proximal region, the inner tube having a medical device mounting region at the distal region for mounting a medical device thereon, the medical device mounting region characterized by a medical device mounting length; a rolling retractable sheath for retaining a medical device on the inner tube, the rolling retractable sheath having a proximal end and a distal end, the rolling sheath disposed about the inner tube, the proximal end of the rolling sheath secured to the inner tube proximal of the medical device mounting region, the rolling sheath in an unretracted state characterized by a first length as defined by the distance between the proximal-most point on the unretracted sheath and the distal-most point on the unretracted sheath; the rolling sheath upon retraction characterized by a second length as defined by the distance between the proximal-most point on the retracted sheath and the distal-most point on the retracted sheath, the difference between the second length and the first length less than the medical device mounting length the rolling sheath further operably connected to a retraction device for retraction of the retractable sheath. - View Dependent Claims (45, 46, 47, 48)
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Specification