Patent US1748701A successfully refreshed from Google Patents.
Patent US7338463B2 successfully refreshed from Google Patents.
US7338463B2
Expired / Lapsed
US
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Balloon blade sheath
Assignee: Boston Scientific Scimed Inc
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Filing: 2003-12-19
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Granted: 2008-03-04
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Expires: 2023-12-19
Abstract
Abstract A sheath is provided to protect a blade when the blade is mounted on a balloon catheter. In particular, this protection is provided while the balloon is deflated for maneuver of the catheter through the vasculature of a patient. The sheath itself is a tubular shaped member that is bifurcated into substantially symmetric halves. Further, the sheath forms a channel for protecting the blade when its halves are juxtaposed. An adhesive bonds both halves of the sheath to the surface of the balloon. When the balloon is deflated, its halves are juxtaposed to cover the blade in the protective channel. On the other hand, when the balloon is inflated, the expanded surface of the balloon pulls the opposed sheath halves that are bonded to it from each other, to thereby expose the blade.
Inventors
- 👤 Dennis M. Vigil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:46
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/32; A61B17/3205; A61B17/3207; A61B17/320725; A61B17/22; A61B2017/22051; A61B2017/22061; A61B90/00; A61B90/08; A61B2090/0801; A61B2090/08021
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
193 words
A sheath for protecting a blade which comprises: an elongated member having an outer surface and defining an axis lying in a longitudinal plane, the elongated member being formed with an axially aligned protective channel for receiving the blade therein, with the channel being bounded by opposed channel sides extending from a common vertex to the outer surface of the elongated member, wherein the vertex is substantially parallel to the axis, and wherein the elongated member is formed with a slit in the longitudinal plane with the slit having opposed slit sides extending from the vertex and away from the protective channel to the outer surface of the elongated member; an expansion means having a surface moveable between a first configuration and a second configuration; and a means for holding the elongated member on the surface of the expansion means with the slit sides juxtaposed to each other for covering the blade in the protective channel when the surface of the expansion means is in its first configuration, and with the slit sides separated from each other to expose the blade when the surface of the expansion means is in its second configuration.
Claim 2
Dependent Claim
193 words
A sheath for protecting a blade which comprises: an elongated member having an outer surface and defining an axis lying in a longitudinal plane, the elongated member being formed with an axially aligned protective channel for receiving the blade therein, with the channel being bounded by opposed channel sides extending from a common vertex to the outer surface of the elongated member, wherein the vertex is substantially parallel to the axis, and wherein the elongated member is formed with a slit in the longitudinal plane with the slit having opposed slit sides extending from the vertex and away from the protective channel to the outer surface of the elongated member; an expansion means having a surface moveable between a first configuration and a second configuration; and a means for holding the elongated member on the surface of the expansion means with the slit sides juxtaposed to each other for covering the blade in the protective channel when the surface of the expansion means is in its first configuration, and with the slit sides separated from each other to expose the blade when the surface of the expansion means is in its second configuration.
Claim 3
Dependent Claim
17 words
A sheath as recited in claim 1 wherein the elongated member is made of a polymer material.
Claim 4
Dependent Claim
15 words
A sheath as recited in claim 1 wherein the elongated member is substantially cylindrical shaped.
Claim 5
Dependent Claim
42 words
A sheath as recited in claim 3 wherein the holding means is an adhesive placed on a bonding area of the elongated member, and wherein the bonding area extends azimuthally on the outer surface of the elongated member from the protective channel.
Claim 6
Dependent Claim
20 words
A sheath as recited in claim 4 wherein the bonding area extends through an arc distance of approximately ninety degrees.
Claim 7
Dependent Claim
19 words
A sheath as recited in claim 1 wherein the blade is bonded to the surface of the expansion means.
Claim 8
Dependent Claim
14 words
A sheath as recited in claim 1 wherein the expansion means is a balloon.
Claim 9
Dependent Claim
61 words
A sheath as recited in claim 7 wherein a proximal portion of the balloon is conical shaped with a taper having a decreasing diameter in a proximal direction, and wherein the blade has a proximal segment and a distal segment, with the proximal segment of the blade bonded to the surface of the balloon in the proximal portion of the balloon.
Claim 10
Independent Claim
240 words
A system which comprises: an elongated balloon defining an axis and having a surface moveable between a first configuration and a second configuration; a means for moving the balloon between a deflated configuration and an inflated configuration; at least one blade axially aligned and mounted on the surface of the balloon for movement therewith; an elongated member having an outer surface and defining an axis lying in a longitudinal plane, the elongated member being formed with an axially aligned protective channel for receiving the blade therein, with the channel being bounded by opposed channel sides with each channel side extending from a common vertex in the longitudinal plane to the outer surface of the elongated member, wherein the vertex is substantially parallel to the axis of the elongated member, and wherein the elongated member is formed with a slit the slit being substantially diametrically opposed to the protective channel and bounded by opposed slit sides with each slit side extending in the longitudinal plane from the vertex to the outer surface of the elongated member; and an adhesive for holding the elongated member on the surface of the balloon with the slit sides juxtaposed to each other for covering the blade in the protective channel when the surface of the balloon is in its deflated configuration, and with the slit sides separated from each other to expose the blade when the surface of the balloon is in its inflated configuration.
Claim 11
Independent Claim
240 words
A system which comprises: an elongated balloon defining an axis and having a surface moveable between a first configuration and a second configuration; a means for moving the balloon between a deflated configuration and an inflated configuration; at least one blade axially aligned and mounted on the surface of the balloon for movement therewith; an elongated member having an outer surface and defining an axis lying in a longitudinal plane, the elongated member being formed with an axially aligned protective channel for receiving the blade therein, with the channel being bounded by opposed channel sides with each channel side extending from a common vertex in the longitudinal plane to the outer surface of the elongated member, wherein the vertex is substantially parallel to the axis of the elongated member, and wherein the elongated member is formed with a slit the slit being substantially diametrically opposed to the protective channel and bounded by opposed slit sides with each slit side extending in the longitudinal plane from the vertex to the outer surface of the elongated member; and an adhesive for holding the elongated member on the surface of the balloon with the slit sides juxtaposed to each other for covering the blade in the protective channel when the surface of the balloon is in its deflated configuration, and with the slit sides separated from each other to expose the blade when the surface of the balloon is in its inflated configuration.
Claim 12
Dependent Claim
29 words
A system as recited in claim 9 wherein there is a plurality of blades mounted on the surface of the balloon with a respective elongated member for each blade.
Claim 13
Dependent Claim
56 words
A system as recited in claim 9 wherein the elongated member is made of a polymer material and is substantially cylindrical shaped, and further wherein the adhesive is placed on a bonding area of the elongated member, with the bonding area extending azimuthally on the outer surface of the elongated member away from the protective channel.
Claim 14
Dependent Claim
61 words
A system as recited in claim 9 wherein a proximal portion of the balloon is conical shaped with a taper having a decreasing diameter in a proximal direction, and wherein the blade has a proximal segment and a distal segment, with the proximal segment of the blade bonded to the surface of the balloon in the proximal portion of the balloon.
Claim 15
Dependent Claim
24 words
A system as recited in claim 12 wherein the balloon has a proximal end and a distal end and the elongated member extends therebetween.
Claim 16
Dependent Claim
23 words
A system as recited in claim 9 further comprising a radiopaque marker mounted on said system for determining a location for the balloon.
Claim 17
Dependent Claim
23 words
A system as recited in claim 9 wherein the blade is made of stainless steel and is approximately twenty five millimeters in length.
Claim 18
Independent Claim
215 words
A method for using a sheath to protect a blade mounted on an inflatable balloon during maneuver of the balloon through the vasculature of a patient which comprises the steps of: providing a sheath having an outer surface and defining an axis lying in a longitudinal plane, the sheath being formed with an axially aligned protective channel for receiving the blade therein, with the channel being bounded by opposed channel sides extending from a common vertex to the outer surface of the sheath, wherein the vertex is substantially parallel to the axis, and wherein the sheath is formed with a slit in the longitudinal plane with the slit having opposed slit sides extending from the vertex and away from the protective channel to the outer surface of the sheath; mounting the sheath on the surface of the balloon wherein the balloon surface is moveable between a deflated configuration and an inflated configuration; holding the sheath on the surface of the balloon with the slit sides juxtaposed to each other for covering the blade in the protective channel when the surface of the balloon is in its deflated configuration; and selectively inflating the balloon to separate the slit sides from each other to expose the blade with the surface of the balloon in its inflated configuration.
Claim 19
Independent Claim
215 words
A method for using a sheath to protect a blade mounted on an inflatable balloon during maneuver of the balloon through the vasculature of a patient which comprises the steps of: providing a sheath having an outer surface and defining an axis lying in a longitudinal plane, the sheath being formed with an axially aligned protective channel for receiving the blade therein, with the channel being bounded by opposed channel sides extending from a common vertex to the outer surface of the sheath, wherein the vertex is substantially parallel to the axis, and wherein the sheath is formed with a slit in the longitudinal plane with the slit having opposed slit sides extending from the vertex and away from the protective channel to the outer surface of the sheath; mounting the sheath on the surface of the balloon wherein the balloon surface is moveable between a deflated configuration and an inflated configuration; holding the sheath on the surface of the balloon with the slit sides juxtaposed to each other for covering the blade in the protective channel when the surface of the balloon is in its deflated configuration; and selectively inflating the balloon to separate the slit sides from each other to expose the blade with the surface of the balloon in its inflated configuration.
Claim 20
Dependent Claim
57 words
A method as recited in claim 16 further comprising the step of applying an adhesive to a bonding area of the sheath to hold the sheath on the surface of the balloon, wherein the bonding area extends azimuthally from the protective channel through an arc distance of approximately ninety degrees on the outer surface of the sheath.
Claim 21
Dependent Claim
61 words
A method as recited in claim 17 wherein a proximal portion of the balloon is conical shaped with a taper having a decreasing diameter in a proximal direction, and wherein the blade has a proximal segment and a distal segment, with the proximal segment of the blade bonded to the surface of the balloon in the proximal position of the balloon.
Claim 22
Dependent Claim
36 words
A method as recited in claim 17 wherein an intermediate portion of the balloon is cylindrical shaped, and wherein the blade is bonded to the surface of the balloon in the proximal portion of the balloon.
Claim 23
Dependent Claim
15 words
A method as recited in claim 16 wherein the balloon is made of a polymer.
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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) | 2011-03-04 | 2011-09-03 | 2012-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2015-03-04 | 2015-09-03 | 2016-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2019-03-04 | 2019-09-03 | 2020-03-04 | $7700.00 | Window Closed / Lapsed |