Patent US370255A successfully refreshed from Google Patents.
Patent US7470285B2 successfully refreshed from Google Patents.
US7470285B2
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transcatheter delivery of a replacement heart valve
Assignee: Boston Children's Hospital
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Filing: 2005-02-07
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Granted: 2008-12-30
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Expires: 2025-02-07
Abstract
Abstract A replacement heart valve apparatus. The heart valve apparatus includes a stent and a valve frame having a substantially cylindrical body defining a lumen. The valve frame includes a plurality of curved wire pairs attached to the substantially cylindrical body. Each curved wire pair includes an inner curved wire and an outer curved wire. The wire frame further having a plurality of leaflets. Each leaflet is attached to a respective inner curved wire and extends over a respective outer curved wire, so as to position the body of the leaflet within the lumen of the valve frame.
Inventors
- 👤 Alan Nugent
- 👤 James E. Lock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:53
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/24; A61F2/2412; A61F2/2418; A61F2/2427; A61F2/243; A61F2/2433; A61F2/2436; A61F2/82; A61F2/86; A61F2/90; A61F2/91; A61F2220/00; A61F2220/0008; A61F2220/0016; A61F2230/00; A61F2230/0002; A61F2230/0028; A61F2230/0054; A61F2250/00; A61F2250/0001; A61F2250/0002; A61F2250/0058; A61F2250/0067
Claims Analysis
Total Claims: 32
Claim 1
Independent Claim
158 words
A replacement heart valve apparatus comprising: a body defining a lumen; a plurality of curved wire pairs attached to the body, each curved wire pair comprising an inner curved wire and an outer curved wire, wherein the outer curved wire extends substantially parallel to the inner curved wire; and a plurality of leaflets, each leaflet comprising a leaflet body and one or more leaflet projections, wherein each leaflet is positioned such that the leaflet body is located within the lumen of the body, the portion of the leaflet body nearest the one or more leaflet projections is pulled away from the lumen of the body over a respective outer curved wire and toward a respective inner curved wire to position the one or more leaflet projections such that they are extended toward the lumen of the body and curved over the respective inner curved wire, and each of the one or more leaflet projections is attached to itself.
Claim 2
Dependent Claim
158 words
A replacement heart valve apparatus comprising: a body defining a lumen; a plurality of curved wire pairs attached to the body, each curved wire pair comprising an inner curved wire and an outer curved wire, wherein the outer curved wire extends substantially parallel to the inner curved wire; and a plurality of leaflets, each leaflet comprising a leaflet body and one or more leaflet projections, wherein each leaflet is positioned such that the leaflet body is located within the lumen of the body, the portion of the leaflet body nearest the one or more leaflet projections is pulled away from the lumen of the body over a respective outer curved wire and toward a respective inner curved wire to position the one or more leaflet projections such that they are extended toward the lumen of the body and curved over the respective inner curved wire, and each of the one or more leaflet projections is attached to itself.
Claim 3
Dependent Claim
22 words
The replacement heart valve apparatus of claim 1 wherein the inner curved wire and the outer curved wire are parabolic in curvature.
Claim 4
Dependent Claim
41 words
The replacement heart valve apparatus of claim 1 wherein one end of the body has a serpentine edge, and wherein each end of the inner curved wire and the outer curved wire is attached to a vertex of the serpentine edge.
Claim 5
Dependent Claim
21 words
The replacement heart valve apparatus of claim 1 further comprising one or more radiopaque markers at each end of the body.
Claim 6
Dependent Claim
19 words
The replacement heart valve apparatus of claim 1 wherein the body defining a lumen is a substantially cylindrical body.
Claim 7
Dependent Claim
20 words
The replacement heart valve apparatus of claim 1 wherein the body defining a lumen has a shape approximating a barrel.
Claim 8
Dependent Claim
21 words
The replacement heart valve apparatus of claim 1 wherein the body defining a lumen comprises a plurality of serpentine curved wires.
Claim 9
Dependent Claim
25 words
The replacement heart valve apparatus of claim 1 comprising three curved wire pairs and a leaflet attached to each of the three curved wire pairs.
Claim 10
Dependent Claim
23 words
The replacement heart valve apparatus of claim 1 wherein each of the one or more leaflet projections is attached to itself by sutures.
Claim 11
Dependent Claim
166 words
A replacement heart valve apparatus comprising: a body defining a lumen; a plurality of curved wire pairs attached to the body, each curved wire pair comprising an inner curved wire and an outer curved wire, wherein the inner curved wire and the outer curved wire are separate from each other by a space that is substantially constant; and a plurality of leaflets, each leaflet comprising a leaflet body and one or more leaflet projections, wherein each leaflet is positioned such that the leaflet body is located within the lumen of the body, the portion of the leaflet body nearest the one or more leaflet projections is pulled away from the lumen of the body over a respective outer curved wire and toward a respective inner curved wire to position the one or more leaflet projections such that they are extended toward the lumen of the body and-curved over the respective inner curved wire, and each of the one or more leaflet projections is attached to itself.
Claim 12
Dependent Claim
166 words
A replacement heart valve apparatus comprising: a body defining a lumen; a plurality of curved wire pairs attached to the body, each curved wire pair comprising an inner curved wire and an outer curved wire, wherein the inner curved wire and the outer curved wire are separate from each other by a space that is substantially constant; and a plurality of leaflets, each leaflet comprising a leaflet body and one or more leaflet projections, wherein each leaflet is positioned such that the leaflet body is located within the lumen of the body, the portion of the leaflet body nearest the one or more leaflet projections is pulled away from the lumen of the body over a respective outer curved wire and toward a respective inner curved wire to position the one or more leaflet projections such that they are extended toward the lumen of the body and-curved over the respective inner curved wire, and each of the one or more leaflet projections is attached to itself.
Claim 13
Dependent Claim
22 words
The replacement heart valve apparatus of claim 10 wherein the inner curved wire and the outer curved wire are parabolic in curvature.
Claim 14
Dependent Claim
53 words
The replacement heart valve apparatus of claim 10 wherein one end of the body has a serpentine edge, and wherein each end of the inner curved wire is attached to a vertex of the serpentine edge and each end of the outer curved wire is attached to a trough of the serpentine edge.
Claim 15
Dependent Claim
21 words
The replacement heart valve apparatus of claim 10 further comprising one or more radiopaque markers at each end of the body.
Claim 16
Dependent Claim
19 words
The replacement heart valve apparatus of claim 10 wherein the body defining a lumen is a substantially cylindrical body.
Claim 17
Dependent Claim
20 words
The replacement heart valve apparatus of claim 10 wherein the body defining a lumen has a shape approximating a barrel.
Claim 18
Dependent Claim
21 words
The replacement heart valve apparatus of claim 10 wherein the body defining a lumen comprises a plurality of serpentine curved wires.
Claim 19
Dependent Claim
25 words
The replacement heart valve apparatus of claim 10 comprising three curved wire pairs and a leaflet attached to each of the three curved wire pairs.
Claim 20
Dependent Claim
23 words
The replacement heart valve apparatus of claim 10 wherein each of the one or more leaflet projections is attached to itself by sutures.
Claim 21
Dependent Claim
171 words
A replacement heart valve apparatus comprising: a body defining a lumen, wherein one end of the body has a serpentine edge; a plurality of curved wire pairs attached to the body, each curved wire pair comprising an inner curved wire and an outer curved wire, wherein the outer curved wire extends substantially parallel to the inner curved wire, each end of the inner curved wire is attached to a vertex of the serpentine edge, and each end of the outer curved wire is attached to a trough of the serpentine edge, wherein the serpentine edge of the body is constructed and arranged such that, in use, each vertex points to a direction opposite blood flow and each trough points to the direction of blood flow; and a plurality of leaflets, each leaflet comprising a leaflet body and one or more leaflet projections, wherein the one or more leaflet projections are curved over a respective inner wire and attached to itself, and the leaflet body extends over a respective outer curved wire.
Claim 22
Dependent Claim
171 words
A replacement heart valve apparatus comprising: a body defining a lumen, wherein one end of the body has a serpentine edge; a plurality of curved wire pairs attached to the body, each curved wire pair comprising an inner curved wire and an outer curved wire, wherein the outer curved wire extends substantially parallel to the inner curved wire, each end of the inner curved wire is attached to a vertex of the serpentine edge, and each end of the outer curved wire is attached to a trough of the serpentine edge, wherein the serpentine edge of the body is constructed and arranged such that, in use, each vertex points to a direction opposite blood flow and each trough points to the direction of blood flow; and a plurality of leaflets, each leaflet comprising a leaflet body and one or more leaflet projections, wherein the one or more leaflet projections are curved over a respective inner wire and attached to itself, and the leaflet body extends over a respective outer curved wire.
Claim 23
Dependent Claim
21 words
The replacement heart valve apparatus of claim 19 further comprising one or more radiopaque markers at each end of the body.
Claim 24
Dependent Claim
19 words
The replacement heart valve apparatus of claim 19 wherein the body defining a lumen is a substantially cylindrical body.
Claim 25
Dependent Claim
20 words
The replacement heart valve apparatus of claim 19 wherein the body defining a lumen has a shape approximating a barrel.
Claim 26
Dependent Claim
25 words
The replacement heart valve apparatus of claim 19 comprising three curved wire pairs and a leaflet attached to each of the three curved wire pairs.
Claim 27
Dependent Claim
180 words
A replacement heart valve apparatus comprising: a body defining a lumen, wherein one end of the body has a serpentine edge; a plurality of curved wire pairs attached to the body, each curved wire pair comprising an inner curved wire and an outer curved wire, wherein the inner curved wire and the outer curved wire are separate from each other by a space that is substantially constant, each end of the inner curved wire is attached to a trough of the serpentine edge, and each end of the outer curved wire is attached to a vertex of the serpentine edge, wherein the serpentine edge of the body is constructed and arranged such that, in use, each vertex points to a direction opposite blood flow and each trough points to the direction of blood flow; and a plurality of leaflets, each leaflet comprising a leaflet body and one or more leaflet projections, wherein the one or more leaflet projections are curved over a respective inner wire and attached to itself, and the leaflet body extends over a respective outer curved wire.
Claim 28
Dependent Claim
180 words
A replacement heart valve apparatus comprising: a body defining a lumen, wherein one end of the body has a serpentine edge; a plurality of curved wire pairs attached to the body, each curved wire pair comprising an inner curved wire and an outer curved wire, wherein the inner curved wire and the outer curved wire are separate from each other by a space that is substantially constant, each end of the inner curved wire is attached to a trough of the serpentine edge, and each end of the outer curved wire is attached to a vertex of the serpentine edge, wherein the serpentine edge of the body is constructed and arranged such that, in use, each vertex points to a direction opposite blood flow and each trough points to the direction of blood flow; and a plurality of leaflets, each leaflet comprising a leaflet body and one or more leaflet projections, wherein the one or more leaflet projections are curved over a respective inner wire and attached to itself, and the leaflet body extends over a respective outer curved wire.
Claim 29
Dependent Claim
21 words
The replacement heart valve apparatus of claim 24 further comprising one or more radiopaque markers at each end of the body.
Claim 30
Dependent Claim
19 words
The replacement heart valve apparatus of claim 24 wherein the body defining a lumen is a substantially cylindrical body.
Claim 31
Dependent Claim
20 words
The replacement heart valve apparatus of claim 24 wherein the body defining a lumen has a shape approximating a barrel.
Claim 32
Dependent Claim
25 words
The replacement heart valve apparatus of claim 24 comprising three curved wire pairs and a leaflet attached to each of the three curved wire pairs.
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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) | 2011-12-30 | 2012-06-30 | 2012-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2015-12-30 | 2016-06-30 | 2016-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2019-12-30 | 2020-06-30 | 2020-12-30 | $7700.00 | Window Closed / Lapsed |