US20030176910A1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rolling membrane stent delivery system
Assignee: Boston Scientific Scimed Inc
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Filing: 2003-04-08
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Granted: —
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Expires: 2023-04-08
Abstract
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.
Inventors
- 👤 Anthony Vrba
- 👤 Lance Monroe
- 👤 Scott Smith
- 👤 David Sogard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:57
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/01; A61F2/0105; A61F2/011; A61F2/95; A61F2/958; A61F2/962; A61F2/966; A61F2230/00; A61F2230/0002; A61F2230/0028; A61F2230/005; A61M; A61M25/00; A61M25/01; A61M25/0105; A61M25/0119
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
156 words
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; an outer tube, at least partially disposed about the inner tube; a rolling retractable sheath for retaining a medical device about the inner tube and for dilitation of a body vessel, the sheath having a proximal end and a distal end, the sheath disposed about the inner tube, the sheath having an inner wall attached to the inner tube proximal to the medical device mounting region and an outer wall, the inner wall extending distally and attached to the outer wall, the outer wall extending proximally and attached to the outer tube, the sheath defining a chamber, the chamber being in fluid communication with an inflation lumen, the sheath having an uninflated state and an inflated dilitation state.
Claim 2
Dependent Claim
156 words
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; an outer tube, at least partially disposed about the inner tube; a rolling retractable sheath for retaining a medical device about the inner tube and for dilitation of a body vessel, the sheath having a proximal end and a distal end, the sheath disposed about the inner tube, the sheath having an inner wall attached to the inner tube proximal to the medical device mounting region and an outer wall, the inner wall extending distally and attached to the outer wall, the outer wall extending proximally and attached to the outer tube, the sheath defining a chamber, the chamber being in fluid communication with an inflation lumen, the sheath having an uninflated state and an inflated dilitation state.
Claim 3
Dependent Claim
78 words
2 . The medical device delivery system of claim 1 wherein the outer tube further comprises a retraction device, the retraction device retaining the rolling retractable sheath in the delivery position when the rolling retractable sheath is in the inflated stated, the retraction device moving the outer wall in a proximal direction relative to the inner wall to expose the medical device mounting region, the retraction device operably connected to the outer wall of the rolling retractable sheath.
Claim 4
Dependent Claim
63 words
3 . The medical delivery device of claim 2 wherein the retraction device further comprises a catheter having proximal and distal ends and a lumen therein for receiving the inner tube therein, the distal end of the inner tube extending beyond the distal end of the catheter, the outer wall of the rolling retractable sheath attached to the distal end of the catheter.
Claim 5
Dependent Claim
29 words
4 . The medical device delivery system of claim 1 wherein the inner and outer walls are adhesively bonded together at an end of the rolling double walled member.
Claim 6
Dependent Claim
29 words
5 . The medical device delivery system of claim 1 wherein the inner and outer walls are mechanically joined together at an end of the rolling double walled member.
Claim 7
Dependent Claim
44 words
6 . The medical device delivery system of claim 1 wherein the inner wall of the rolling retractable sheath is formed of at least a first material and the outer wall is formed of at least a second material different from the first material.
Claim 8
Dependent Claim
22 words
7 . The medical device delivery system of claim 1 wherein the inner wall has a lower compliance than the outer wall.
Claim 9
Dependent Claim
26 words
8 . The medical device delivery system of claim 1 wherein the outer wall of the sheath is thinner than the inner wall of the sheath.
Claim 10
Dependent Claim
26 words
9 . The medical device delivery system of claim 1 wherein the inner and outer walls of the sheath are obliquely disposed relative to each other.
Claim 11
Dependent Claim
41 words
10 . The medical device delivery system of claim 1 further comprising a lubricant applied to at least a portion of one or more of the inner and outer walls so as to reduce friction between the inner and outer walls.
Claim 12
Dependent Claim
41 words
11 . The medical device delivery system of claim 1 further comprising a medical device selected from the group consisting of stents, grafts and vena cava filters, the medical device mounted on the medical device mounting region of the inner tube.
Claim 13
Dependent Claim
22 words
12 . The medical device delivery system of claim 1 wherein the medical device is a stent and the stent is self-expandable.
Claim 14
Dependent Claim
30 words
13 . The medical device delivery system of claim 1 configured for use a in a mode selected from the group consisting of fixed-wire mode, over-the-wire mode and rapid-exchange mode.
Claim 15
Dependent Claim
118 words
14 . A method of delivering a stent to a desired bodily location comprising the steps of: providing a medical device delivery system as in claim 1; providing a self-expanding stent; mounting the stent on the medical device mounting region of the medical device delivery system; percutaneously inserting the medical device delivery system in a bodily lumen containing a bodily fluid, traversing the bodily lumen until the desired bodily location is reached; inflating the chamber of the rolling retractable sheath with a fluid; removing the fluid from the chamber through the inflation lumen; retracting the rolling retractable sheath proximally so as to expose the stent to self-expand; and withdrawing the medical device delivery system from the bodily lumen.
Claim 16
Dependent Claim
19 words
15 . The medical device delivery system of claim 2 , the retraction device further comprising a pull wire.
Claim 17
Dependent Claim
19 words
16 . The medical device delivery system of claim 2 , the retraction device further comprising an outer sheath.
Claim 18
Dependent Claim
21 words
17 . The medical device delivery system of claim 1 wherein the inner wall and the outer wall are integrally formed.
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