Patent WO2000042951A1 successfully refreshed from Google Patents.
US20020065554A1
Expired / Lapsed
US
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Mitral shield
Assignee: Ancora Heart Inc
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Filing: 2001-10-25
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Granted: —
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Expires: 2021-10-25
Abstract
Abstract A valve shield comprising a shaped sheet of material adapted to be affixed to the annulus of a valve and adapted to extend over at least a portion of at least one leaflet of the valve so as to assist or replace the closing function of that valve leaflet.
Inventors
- 👤 Richard Streeter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:44
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/24; A61F2/2442; A61F2/2445; A61F2/2454
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
51 words
1 . A valve shield comprising a shaped sheet of material adapted to be affixed to the annulus of a valve and adapted to extend over at least a portion of at least one leaflet of the valve so as to assist or replace the closing function of that valve leaflet.
Claim 2
Dependent Claim
51 words
1 . A valve shield comprising a shaped sheet of material adapted to be affixed to the annulus of a valve and adapted to extend over at least a portion of at least one leaflet of the valve so as to assist or replace the closing function of that valve leaflet.
Claim 3
Dependent Claim
20 words
2 . A valve shield according to claim 1 wherein the sheet of material is adapted to prevent leaflet prolapse.
Claim 4
Dependent Claim
17 words
3 . A valve shield according to claim 2 wherein the sheet of material is crescent shaped.
Claim 5
Dependent Claim
35 words
4 . A valve shield according to claim 3 wherein the portion of the sheet of material extending over at least a portion of the at least one leaflet includes at least one opening therein.
Claim 6
Dependent Claim
32 words
5 . A valve shield according to claim 3 wherein the portion of the sheet of material extending over at least a portion of the at least one leaflet is substantially solid.
Claim 7
Dependent Claim
27 words
6 . A valve shield according to claim 2 wherein the sheet of material is adapted to be fastened to the annulus of the valve with sutures.
Claim 8
Dependent Claim
21 words
7 . A valve shield according to claim 6 wherein the sheet of material includes preformed holes for receiving the suture.
Claim 9
Dependent Claim
27 words
8 . A valve shield according to claim 2 wherein the sheet of material is adapted to be fastened to the annulus of the valve with staples.
Claim 10
Dependent Claim
19 words
9 . A valve shield according to claim 8 wherein the sheet of material includes staples formed integral therewith.
Claim 11
Dependent Claim
15 words
10 . A valve shield according to claim 2 wherein the material comprises biological material.
Claim 12
Dependent Claim
14 words
11 . A valve shield according to claim 2 wherein the material comprises periocardium.
Claim 13
Dependent Claim
15 words
12 . A valve shield according to claim 2 wherein the material comprises non-biological material.
Claim 14
Dependent Claim
21 words
13 . A valve shield according to claim 1 wherein the material is round and includes at least one opening therein.
Claim 15
Dependent Claim
19 words
14 . A valve shield according to claim 1 wherein the shaped sheet of material comprises a wire frame.
Claim 16
Dependent Claim
31 words
15 . A valve shield according to claim 2 wherein the shaped sheet of material comprises a crescent shape with a mid-line projection adapted to support a second leaflet against prolapse.
Claim 17
Dependent Claim
23 words
16 . A valve shield according to claim 1 wherein the sheet of material is adapted to extend over at least two leaflets.
Claim 18
Dependent Claim
20 words
17 . A valve shield according to claim 16 wherein the sheet of material includes at least one opening therein.
Claim 19
Dependent Claim
69 words
18 . A method for reducing regurgitation in a valve having a plurality of leaflets, said method comprising: providing a valve shield comprising a shaped sheet of material; and affixing the valve shield to the annulus of the valve so that it extends over at least a portion of at least one leaflet of the valve so as to assist or replace the closing function of that valve leaflet.
Claim 20
Dependent Claim
69 words
18 . A method for reducing regurgitation in a valve having a plurality of leaflets, said method comprising: providing a valve shield comprising a shaped sheet of material; and affixing the valve shield to the annulus of the valve so that it extends over at least a portion of at least one leaflet of the valve so as to assist or replace the closing function of that valve leaflet.
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