Patent US6607552B1 successfully refreshed from Google Patents.
US6607552B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rolling socks
Assignee: Boston Scientific Scimed Inc
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Filing: 2000-09-18
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Granted: 2003-08-19
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Expires: 2020-09-18
Abstract
Abstract A rolling retractable stent retaining sleeve for retaining a stent on a balloon catheter comprising a tubular sleeve. The tubular sleeve having a double walled construction which comprises an first layer and an second layer. A first portion of the first layer is constructed and arranged to engage at least a portion of a catheter. A second portion of the first layer is constructed and arranged to overlie an end of a stent prior to delivery of the stent. The first layer is everted such that it folds back upon itself to form the second layer. The double walled sleeve constructed and arranged to roll off of the stent during stent delivery.
Inventors
- 👤 Scott M. Hanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:30
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/95; A61F2/958; A61F2002/9583
Claims Analysis
Total Claims: 43
Claim 1
Independent Claim
159 words
A stent delivery system comprising: a stent delivery catheter, the stent delivery catheter having a stent retaining region; a stent disposed about at least a portion of the stent retaining region, the stent having an unexpanded state and being expandable to an expanded state; at least one stent retaining sleeve, the at least one sleeve having a tubular double walled construction comprising a first layer and a second layer, a lubricant between the first layer and the second layer, a first portion of the first layer engaging at least a portion of the stent delivery catheter, a second portion of the first layer overlying an end of the stent when the stent is in the unexpanded state, the at least one stent retaining sleeve constructed and arranged to rollingly retract off of the stent when the stent is expanded to the expanded state, whereby during expansion of the stent the at least one sleeve retracts off of the stent.
Claim 2
Dependent Claim
159 words
A stent delivery system comprising: a stent delivery catheter, the stent delivery catheter having a stent retaining region; a stent disposed about at least a portion of the stent retaining region, the stent having an unexpanded state and being expandable to an expanded state; at least one stent retaining sleeve, the at least one sleeve having a tubular double walled construction comprising a first layer and a second layer, a lubricant between the first layer and the second layer, a first portion of the first layer engaging at least a portion of the stent delivery catheter, a second portion of the first layer overlying an end of the stent when the stent is in the unexpanded state, the at least one stent retaining sleeve constructed and arranged to rollingly retract off of the stent when the stent is expanded to the expanded state, whereby during expansion of the stent the at least one sleeve retracts off of the stent.
Claim 3
Dependent Claim
13 words
The stent delivery system of claim 1 , comprising a pair of sleeves.
Claim 4
Dependent Claim
23 words
The stent delivery system of claim 2 , the first layer comprising an inside surface and the second layer comprising an inside surface.
Claim 5
Dependent Claim
38 words
The stent delivery system of claim 3 , wherein at least a portion of the inside surface of the first layer is in sliding contact with at least a portion of the inside surface of the second layer.
Claim 6
Dependent Claim
42 words
The stent delivery system of claim 4 wherein the at least a portion of the inside surface of the first layer and the at least a portion of the inside surface of the second layer material are composed substantially of cross-linked materials.
Claim 7
Dependent Claim
35 words
The stent delivery system of claim 5 , wherein the cross-linked materials are produced by exposing the at least a portion of the inside surfaces of the first and second layers to a plasma field.
Claim 8
Dependent Claim
29 words
The stent delivery system of claim 3 , wherein the inside surface of the first layer and the inside surface of the second layer define a closed space therebetween.
Claim 9
Dependent Claim
20 words
The stent delivery system of claim 7 , wherein the closed space is at least partially filled with the lubricant.
Claim 10
Dependent Claim
57 words
The stent delivery system of claim 8 , wherein the lubricant is selected from the group consisting of: silicones, polyvinyl pyrrolidone, polypropylene oxide, mineral oil, olive oil, vegetable oil, wax, compounds of polyethylene oxide and neopentyl glycol diacrylate polymerized in a solution of water and isopropyl alcohol in the presence of a photoinitiator, and any combination thereof.
Claim 11
Dependent Claim
28 words
The stent delivery system of claim 1 , wherein the first layer is composed of a first material and the second layer is composed of a second material.
Claim 12
Dependent Claim
18 words
The stent delivery system of claim 10 , wherein the first material is different from the second material.
Claim 13
Dependent Claim
53 words
The stent delivery system of claim 10 , wherein the first material and the second material are each selected from the group consisting of: copolyrner polyolefin, Ionomer and a polyether block amide, urethanes, polypropylene, low density polyethylene, high density polyethylene, ethylene vinyl acetate, nylon, polyester and polyethylene terephthalate, polyurethane, and any combination thereof.
Claim 14
Dependent Claim
19 words
The stent delivery system of claim 10 , wherein the first layer is lap welded to the second layer.
Claim 15
Dependent Claim
21 words
The stent delivery system of claim 10 , wherein the first layer and the second layer further comprise a thickened portion.
Claim 16
Dependent Claim
21 words
The stent delivery system of claim 11 , wherein the second material has different Shore D hardness than the first material.
Claim 17
Dependent Claim
47 words
The stent delivery system of claim 1 , wherein the stent delivery catheter further comprises a catheter shaft, the catheter shaft being adjacent to the stent retaining region, the first portion of the first layer being fixedly engaged to at least a portion of the catheter shaft.
Claim 18
Dependent Claim
28 words
The stent delivery system of claim 16 , wherein the first portion of the first layer being welded to the at least a portion of the catheter shaft.
Claim 19
Dependent Claim
29 words
The stent delivery system of claim 16 , wherein the first portion of the first layer being laser welded to the at least a portion of the catheter shaft.
Claim 20
Dependent Claim
29 words
The stent delivery system of claim 16 , wherein the first portion of the first layer being adhesively bonded to the at least a portion of the catheter shaft.
Claim 21
Dependent Claim
18 words
The stent delivery system of claim 1 , wherein the second portion of the first layer is lubricious.
Claim 22
Dependent Claim
20 words
The stent delivery system of claim 1 wherein the second portion of the first layer has a lubricious coating thereon.
Claim 23
Dependent Claim
36 words
The stent delivery system of claim 1 , further comprising a retractable sheath, the retractable sheath having a proximally extending pull back member, the retractable sheath at least partially overlapping the stent prior to stent delivery.
Claim 24
Dependent Claim
15 words
The stent delivery system of claim 22 , wherein the stent is a self-expanding stent.
Claim 25
Dependent Claim
22 words
The stent delivery system of claim 23 , the retractable sheath overlapping a proximal portion of the stent prior to stent delivery.
Claim 26
Dependent Claim
28 words
The stent delivery system of claim 23 , the at least one stent retaining sleeve overlapping at least a distal portion of the stent prior to stent delivery.
Claim 27
Dependent Claim
40 words
The stent delivery system of claim 2 , further comprising a retractable sheath, the retractable sheath having a proximally extending pull back member, the retractable sheath overlapping the stent and the pair of stent retaining sleeves prior to stent delivery.
Claim 28
Dependent Claim
23 words
The stent delivery system of claim 1 , the at least one stent retaining sleeve having at least one surface which is textured.
Claim 29
Dependent Claim
17 words
The stent delivery system of claim 27 , wherein the at least one textured surface is ribbed.
Claim 30
Dependent Claim
17 words
The stent delivery system of claim 1 , the first layer defining at least one hole therethrough.
Claim 31
Dependent Claim
17 words
The stent delivery system of claim 1 , the second layer defining at least one hole therethrough.
Claim 32
Dependent Claim
21 words
The stent delivery system of claim 1 , the first layer and the second each defining at least one hole therethrough.
Claim 33
Dependent Claim
14 words
The stent delivery system of claim 31 , wherein the stent is balloon expandable.
Claim 34
Dependent Claim
17 words
The stent delivery system of claim 31 , the stent retaining region comprising a stent delivery balloon.
Claim 35
Dependent Claim
17 words
The stent delivery system of claim 23 , the stent retaining region comprising a stent delivery balloon.
Claim 36
Dependent Claim
132 words
A rolling retractable stent retaining sleeve for retaining a stent on a balloon catheter comprising: a tubular double walled sleeve, the tubular double walled sleeve comprising a first layer and a second layer, a lubricant between the first layer of material and the second layer of material, a first portion of the first layer constructed and arranged to engage at least a portion of the balloon catheter, a second portion of the first layer constructed and arranged to overlay an end of the stent prior to stent delivery, the tubular double walled sleeve constructed and arranged to rollingly retract off of the stent when the stent exerts an outwardly acting radial pressure on the first portion, whereby during stent delivery the tubular double walled sleeve is fully retracted off of the stent.
Claim 37
Dependent Claim
132 words
A rolling retractable stent retaining sleeve for retaining a stent on a balloon catheter comprising: a tubular double walled sleeve, the tubular double walled sleeve comprising a first layer and a second layer, a lubricant between the first layer of material and the second layer of material, a first portion of the first layer constructed and arranged to engage at least a portion of the balloon catheter, a second portion of the first layer constructed and arranged to overlay an end of the stent prior to stent delivery, the tubular double walled sleeve constructed and arranged to rollingly retract off of the stent when the stent exerts an outwardly acting radial pressure on the first portion, whereby during stent delivery the tubular double walled sleeve is fully retracted off of the stent.
Claim 38
Dependent Claim
26 words
The stent retaining sleeve of claim 35 wherein the sleeve further comprises a lubricant between the first layer of material and the second layer of material.
Claim 39
Dependent Claim
19 words
The stent retaining sleeve of claim 35 wherein the first layer and the second layer define a closed chamber.
Claim 40
Dependent Claim
16 words
The stent delivery system of claim 37 wherein the lubricant is contained in the closed chamber.
Claim 41
Dependent Claim
21 words
The stent delivery system of claim 35 , at least a portion of the first portion having a lubricious coating thereon.
Claim 42
Independent Claim
237 words
A method of delivering a stent comprising the steps of: providing a stent delivery catheter wherein the stent delivery catheter includes characterized as having: an inflatable region, an expandable stent disposed about the inflatable region, the stent having an unexpanded state and an expanded state, and at least one tubular double walled sleeve, the at least one tubular double walled sleeve comprising a first layer and a second layer, a lubricant between the first layer of material and the second layer of material, a first portion of the first layer constructed and arranged to engage at least a portion of the catheter, a second portion of the first layer constructed and arranged to overlay an end of the stent prior to stent delivery, the at least one tubular double walled sleeve constructed and arranged to rollingly retract off of the stent when the stent is expanded to the expanded state, whereby during stent delivery the at least one tubular double walled sleeve is fully retracted off of the stent; inserting the stent delivery catheter into a body vessel; advancing the balloon catheter to a predetermined delivery location; inflating the inflatable portion thereby expanding the stent from the unexpanded state to the expanded state and rollingly retracting the at least one sleeve off of the at least a portion of the stent thereby exposing the stent for delivery; and retracting the stent delivery catheter from the body vessel.
Claim 43
Independent Claim
237 words
A method of delivering a stent comprising the steps of: providing a stent delivery catheter wherein the stent delivery catheter includes characterized as having: an inflatable region, an expandable stent disposed about the inflatable region, the stent having an unexpanded state and an expanded state, and at least one tubular double walled sleeve, the at least one tubular double walled sleeve comprising a first layer and a second layer, a lubricant between the first layer of material and the second layer of material, a first portion of the first layer constructed and arranged to engage at least a portion of the catheter, a second portion of the first layer constructed and arranged to overlay an end of the stent prior to stent delivery, the at least one tubular double walled sleeve constructed and arranged to rollingly retract off of the stent when the stent is expanded to the expanded state, whereby during stent delivery the at least one tubular double walled sleeve is fully retracted off of the stent; inserting the stent delivery catheter into a body vessel; advancing the balloon catheter to a predetermined delivery location; inflating the inflatable portion thereby expanding the stent from the unexpanded state to the expanded state and rollingly retracting the at least one sleeve off of the at least a portion of the stent thereby exposing the stent for delivery; and retracting the stent delivery catheter from the body vessel.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2006-08-18 | 2007-02-17 | 2007-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2010-08-18 | 2011-02-17 | 2011-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2014-08-18 | 2015-02-17 | 2015-08-19 | $7700.00 | Window Closed / Lapsed |