US20170156859A1
Active / In Force
US
⏱️ 10.1 years remaining
Suture deployment of prosthetic heart valve
Assignee: Edwards Lifesciences Corp
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Filing: 2016-12-01
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Granted: —
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Expires: 2036-12-01
Abstract
Abstract A delivery apparatus for a prosthetic implant can include an elongate first shaft, a first suture guide coupled to the first shaft, an elongate second shaft, and a second suture guide coupled to the second shaft. The first shaft can extend coaxially through the second shaft and the second suture guide, the first suture guide can be disposed distal to the second suture guide, and the first suture guide and the second suture guide can be configured to be axially movable relative to each other.
Inventors
- 👤 Arvin T. Chang
- 👤 Yair A. Neumann
- 👤 Gil Senesh
- 👤 Hernan Altman
- 👤 Scott Louis Pool
- 👤 Hannah Gibson
- 👤 Amanda K. Anderson
- 👤 Peter Phong Tran
- 👤 Ly Th Phan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 15:30
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/24; A61F2/2427; A61F2/2439; A61F2/2412; A61F2/2418; A61F2/2436
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
313 words
1 . A medical device delivery assembly, comprising: an annular stent having a first plurality of apices spaced circumferentially around a first end portion of the stent, a second plurality of apices spaced circumferentially around a second end portion of the stent, and an intermediate portion disposed between the first and the second end portions, wherein the stent is configured to radially expand and axially foreshorten from a first state to a second state and to radially compress and axially elongate from the second state to the first state; an elongate shaft disposed radially within and extending axially through the stent and having a first manifold coupled to the shaft distal to the first end of the stent, wherein the first manifold has a first plurality of openings; a second manifold located proximal to the first manifold of the shaft, wherein the second manifold has a second plurality of openings; a first plurality of sutures extending through at least some of the second openings of the second manifold, through the first openings of the first manifold, and through or around the first plurality of apices of the stent, wherein the first plurality of sutures is releasably coupled to the stent and configured such that increasing tension of the first plurality of sutures causes the first plurality of apices of the stent to radially converge; and a second plurality of sutures extending through at least some second openings of the second manifold and through or around the second plurality of apices of the stent, wherein the second plurality of sutures is releasably coupled to the stent and configured such that increasing tension of the second plurality of sutures causes the second plurality of apices of the stent to radially converge, wherein the intermediate portion of the stent can radially expand and axially foreshorten when the first and the second pluralities of apices radially converge.
Claim 2
Dependent Claim
313 words
1 . A medical device delivery assembly, comprising: an annular stent having a first plurality of apices spaced circumferentially around a first end portion of the stent, a second plurality of apices spaced circumferentially around a second end portion of the stent, and an intermediate portion disposed between the first and the second end portions, wherein the stent is configured to radially expand and axially foreshorten from a first state to a second state and to radially compress and axially elongate from the second state to the first state; an elongate shaft disposed radially within and extending axially through the stent and having a first manifold coupled to the shaft distal to the first end of the stent, wherein the first manifold has a first plurality of openings; a second manifold located proximal to the first manifold of the shaft, wherein the second manifold has a second plurality of openings; a first plurality of sutures extending through at least some of the second openings of the second manifold, through the first openings of the first manifold, and through or around the first plurality of apices of the stent, wherein the first plurality of sutures is releasably coupled to the stent and configured such that increasing tension of the first plurality of sutures causes the first plurality of apices of the stent to radially converge; and a second plurality of sutures extending through at least some second openings of the second manifold and through or around the second plurality of apices of the stent, wherein the second plurality of sutures is releasably coupled to the stent and configured such that increasing tension of the second plurality of sutures causes the second plurality of apices of the stent to radially converge, wherein the intermediate portion of the stent can radially expand and axially foreshorten when the first and the second pluralities of apices radially converge.
Claim 3
Dependent Claim
106 words
2 . The delivery assembly of claim 1 further comprising, a sheath which can be advanced distally over the stent to retain the stent in the first state and retracted proximally relative to the stent to permit radial expansion of the stent from the first state to the second state, wherein after the entirety of the stent is deployed from the sheath, the first and the second plurality of apices of the stent can be radially converged, and the sheath can be advanced distally back over the stent to cause the stent to radially collapse to the first state as it is recaptured by the sheath.
Claim 4
Dependent Claim
28 words
3 . The delivery assembly of claim 1 , wherein the first and the second plurality of sutures are configured to be independently movable relative to each other.
Claim 5
Dependent Claim
81 words
4 . The delivery assembly of claim 1 , wherein the second plurality of openings of the second manifold is an inner set of openings and an outer set of openings, the inner set of openings being spaced radially inward from the outer set of openings, and wherein the first plurality of sutures extend through the inner set of openings of the second manifold, and the second plurality of sutures extend through the outer set of openings of the second manifold.
Claim 6
Dependent Claim
32 words
5 . The delivery assembly of claim 1 , wherein the shaft is a first shaft, and the delivery assembly further comprises a second shaft to which the second manifold is coupled.
Claim 7
Dependent Claim
40 words
6 . The delivery assembly of claim 5 , wherein the first shaft is a nose cone shaft which extends coaxially through the second shaft, and a nose cone is mounted on a distal end of the nose cone shaft.
Claim 8
Dependent Claim
27 words
7 . The delivery assembly of claim 1 , wherein the first manifold and the second manifold are configured to be axially movable relative to each other.
Claim 9
Dependent Claim
42 words
8 . The delivery assembly of claim 7 , wherein the delivery assembly is configured such that increasing a spacing between the first manifold and the second manifold causes the intermediate portion of the stent to axially elongate and to radially compress.
Claim 10
Dependent Claim
42 words
9 . The delivery assembly of claim 8 , wherein the delivery assembly is configured such that decreasing the spacing between the first manifold and the second manifold causes the intermediate portion of the stent to axially foreshorten and to radially expand.
Claim 11
Dependent Claim
25 words
10 . The delivery assembly of claim 1 , wherein the stent is configured to be self-expandable from the first state to the second state.
Claim 12
Dependent Claim
32 words
11 . The delivery assembly of claim 1 , further comprising at least one apex guide mounted on a suture of the first plurality of sutures or the second plurality of sutures.
Claim 13
Dependent Claim
86 words
12 . A delivery apparatus for a prosthetic implant comprising: an elongate first shaft; a first suture guide coupled to the first shaft; an elongate second shaft; and a second suture guide coupled to the second shaft, wherein the first shaft extends coaxially through the second shaft and the second suture guide, and the first suture guide is disposed distal to the second suture guide, and wherein the first suture guide and the second suture guide are configured to be axially movable relative to each other.
Claim 14
Dependent Claim
86 words
12 . A delivery apparatus for a prosthetic implant comprising: an elongate first shaft; a first suture guide coupled to the first shaft; an elongate second shaft; and a second suture guide coupled to the second shaft, wherein the first shaft extends coaxially through the second shaft and the second suture guide, and the first suture guide is disposed distal to the second suture guide, and wherein the first suture guide and the second suture guide are configured to be axially movable relative to each other.
Claim 15
Dependent Claim
18 words
13 . The delivery apparatus of claim 12 , wherein the first shaft is a nose cone shaft.
Claim 16
Dependent Claim
58 words
14 . The delivery apparatus of claim 12 , further comprising a sheath, wherein the first and the second suture guides are disposed radially within the sheath when delivering the prosthetic implant to an implantation location, and the first and the second suture guides are exposed from the sheath when implanting the prosthetic implant at the implantation location.
Claim 17
Dependent Claim
102 words
15 . A method for delivering a prosthetic valve to a native annulus of a heart comprising: inserting an elongate delivery apparatus into a patient's body; advancing the delivery apparatus to an implantation location within the native annulus; retracting a delivery sheath of the delivery apparatus relative to the prosthetic valve to expose the prosthetic valve from a distal end of the delivery sheath; and after the prosthetic valve is exposed from the delivery sheath, expanding the prosthetic valve from a radially compressed state to a radially expanded state by reducing axial tension on first and second ends of the prosthetic valve.
Claim 18
Dependent Claim
102 words
15 . A method for delivering a prosthetic valve to a native annulus of a heart comprising: inserting an elongate delivery apparatus into a patient's body; advancing the delivery apparatus to an implantation location within the native annulus; retracting a delivery sheath of the delivery apparatus relative to the prosthetic valve to expose the prosthetic valve from a distal end of the delivery sheath; and after the prosthetic valve is exposed from the delivery sheath, expanding the prosthetic valve from a radially compressed state to a radially expanded state by reducing axial tension on first and second ends of the prosthetic valve.
Claim 19
Dependent Claim
31 words
16 . The method of claim 15 , wherein reducing axial tension on the first end of the prosthetic valve precedes reducing tension on the second end of the prosthetic valve.
Claim 20
Dependent Claim
33 words
17 . The method of claim 15 , wherein reducing axial tension on the first end of the prosthetic valve and reducing tension on the second end of the prosthetic valve occur simultaneously.
Claim 21
Dependent Claim
34 words
18 . The method of claim 15 , wherein reducing axial tension on the first and second ends of the prosthetic valve comprises reducing tension on a plurality of sutures of the delivery apparatus.
Claim 22
Dependent Claim
41 words
19 . The method of claim 15 , wherein reducing axial tension on the first and second ends of the prosthetic valve comprises moving a first manifold of the delivery apparatus axially proximally toward a second manifold of the delivery apparatus.
Claim 23
Dependent Claim
106 words
20 . The method of claim 19 , wherein the radially expanded state of the prosthetic valve is a first radially expanded state, and the method further comprises expanding the prosthetic valve from the first radially expanded state to a second radially expanded state by radially converging the first and second ends of the prosthetic valve and axially compressing the first and second ends of the prosthetic valve by moving the first manifold of the delivery apparatus axially proximally toward the second manifold of the delivery apparatus, wherein the stent is radially larger in the second radially expanded state than in the first radially expanded state.
Claim 24
Dependent Claim
35 words
21 . The method of claim 19 , further comprising radially compressing the prosthetic valve by moving the first manifold of the delivery apparatus axially distally away from the second manifold of the delivery apparatus.
References Cited (Backward Citations)
US8337541B2
Cited
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