Stent delivery system
First Claim
1. A medical device comprising:
- a catheter, the catheter having a catheter shaft, a portion of the catheter shaft defining a stent receiving region;
a sheath, a portion of the sheath defining a stent retaining region, the stent retaining region being disposed about the catheter shaft and being longitudinally moveable relative thereto, the retaining region being moveable between an extended position and a retracted position, in the extended position the retaining region being disposed about the stent receiving region, in the retracted position the sheath being removed from the stent receiving region; and
a rolling membrane, a portion of the rolling membrane being engaged to a portion of the sheath at an engagement region, the rolling membrane being positioned between the catheter shaft and the sheath, in the extended position a portion of the rolling membrane being disposed about at least a portion of the stent receiving region, in the retracted position the rolling membrane being removed from about the at least a portion of the stent receiving region.
2 Assignments
0 Petitions
Accused Products
Abstract
A medical device comprises a catheter, a retractable sheath, and a rolling membrane. The catheter includes a catheter shaft about which a stent in a reduced diameter configuration may be disposed. A stent retaining region of the sheath is disposed about the stent to retain the stent in the reduced diameter state prior to delivery. The rolling membrane is engaged to a portion of the sheath at an engagement region. The rolling membrane is positioned between the catheter shaft and the sheath and prior to retraction of the sheath the rolling membrane is disposed about at least a proximal section of the stent and is rollingly retracted therefrom when the sheath is retracted to deliver the stent.
81 Citations
32 Claims
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1. A medical device comprising:
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a catheter, the catheter having a catheter shaft, a portion of the catheter shaft defining a stent receiving region;
a sheath, a portion of the sheath defining a stent retaining region, the stent retaining region being disposed about the catheter shaft and being longitudinally moveable relative thereto, the retaining region being moveable between an extended position and a retracted position, in the extended position the retaining region being disposed about the stent receiving region, in the retracted position the sheath being removed from the stent receiving region; and
a rolling membrane, a portion of the rolling membrane being engaged to a portion of the sheath at an engagement region, the rolling membrane being positioned between the catheter shaft and the sheath, in the extended position a portion of the rolling membrane being disposed about at least a portion of the stent receiving region, in the retracted position the rolling membrane being removed from about the at least a portion of the stent receiving 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, 26, 27, 28, 29, 30, 31, 32)
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Specification