EP1886649A2
Expired / Lapsed
EP
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Transmyocardial shunt
Assignee: JenaValve Technology GmbH
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Filing: 1999-09-10
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Granted: —
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Expires: 2019-09-10
Abstract
Abstract Disclosed is a conduit (12) that provides a bypass around an occlusion or stenosis in a coronary artery. The conduit is a tube adapted to be positioned in the heart wall to provide a passage for blood to flow between a heart chamber and a coronary artery, at a site distal to the occlusion or stenosis. The conduit has a section of blood vessel (10) attached to its interior lumen which preferably includes at least one naturally occurring one-way valve (14) positioned therein. The valve prevents the backflow of blood from the coronary artery into the heart chamber.
Inventors
- 👤 Scott F. Wolf
- 👤 Peter J. Wilk
- 👤 David Y. Phelps
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-09 00:02
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/82; A61F2/02; A61F2/24; A61F2/2493; A61F2/848; A61F2/86; A61F2/90; A61F2/91; A61F2/94; A61M; A61M27/00; A61M27/002; A61F2/95; A61F2/958; A61F2/962; A61M2210/00; A61M2210/12; A61M2210/125
Claims Analysis
Total Claims: 46
Claim 1
Independent Claim
45 words
A conduit for implantation in a heart, the conduit comprising: - an expandable stent having an interior and an exterior and configured to be positioned between a blood vessel and a heart chamber; and - a one way valve operable to prevent backflow of blood.
Claim 2
Dependent Claim
14 words
The conduit of claim 1, wherein the conduit is made of a biocompatible material.
Claim 3
Dependent Claim
29 words
The conduit of claim 2, wherein the biocompatible material is selected from the group consisting of stainless steel, nitinol, Ti, Ti alloys, Ni alloys, Co alloys and biocompatible polymers.
Claim 4
Dependent Claim
15 words
The conduit of any one of claims 1 to 3, wherein the conduit is self-expandable.
Claim 5
Dependent Claim
18 words
The conduit of any one of claims 1 to 4, wherein the valve is a naturally occurring valve.
Claim 6
Dependent Claim
19 words
The conduit of claim 5, wherein the valve is a venous valve, a pulmonic valve or an aortic valve.
Claim 7
Dependent Claim
12 words
The conduit of claim 6, wherein the valve is an animal valve.
Claim 8
Dependent Claim
21 words
The conduit of any one of claims 1 to 4, wherein the valve is grown from one or more tissue cultures.
Claim 9
Dependent Claim
17 words
The conduit of any one of claims 1 to 4, wherein the valve is an artificial valve.
Claim 10
Dependent Claim
22 words
The conduit of any one of claims 5 to 7, wherein the valve has been chemically treated with a chemical treating agent.
Claim 11
Dependent Claim
12 words
The conduit of Claim 10, wherein the chemical treating agent is glutaraldehyde.
Claim 12
Dependent Claim
28 words
The conduit of any one of claims 1 to 11, wherein the heart chamber is a left ventricle, a right ventricle, a left atrium or a right atrium.
Claim 13
Dependent Claim
14 words
The conduit of any preceding claim, wherein the blood vessel is a coronary vessel.
Claim 14
Dependent Claim
13 words
The conduit of claim 13, wherein the coronary vessel is a coronary artery.
Claim 15
Dependent Claim
28 words
The conduit of claim 14, wherein the coronary artery is a left anterior descending artery, a right coronary artery, a circumflex coronary artery or a posterior descending artery.
Claim 16
Dependent Claim
25 words
The conduit of any one of claims 1 to 15, wherein the conduit includes an attachment mechanism adapted to connect to heart and/or vessel tissue.
Claim 17
Dependent Claim
24 words
The conduit of claim 16, wherein the attachment mechanism comprises at least one hook, barb or collar for anchoring the conduit onto surrounding tissue.
Claim 18
Dependent Claim
21 words
The conduit of any one of claims 1 to 17, wherein the expandable stent is in the form of a tube.
Claim 19
Dependent Claim
18 words
The conduit of any preceding claim, wherein the conduit is configured to be delivered in a compressed configuration.
Claim 20
Dependent Claim
16 words
The conduit of claim 19, wherein the conduit is configured to be delivered via a catheter.
Claim 21
Dependent Claim
14 words
The conduit of claim 20, wherein the catheter is threaded through the femoral artery.
Claim 22
Dependent Claim
20 words
The conduit of claim 20, wherein the conduit is introduced through a surgical incision in a chest wall or sternum.
Claim 23
Dependent Claim
67 words
A coronary bypass conduit for implantation in a body of a patient, said coronary bypass conduit comprising: - a hollow tube having an interior and an exterior and adapted to be positioned in a heart wall between a coronary vessel and a heart chamber; and - a section of a blood vessel positioned within said interior of said tube and adapted to allow blood to flow therethrough.
Claim 24
Dependent Claim
18 words
The conduit of claim 23, wherein the section of blood vessel contains at least one naturally occurring valve.
Claim 25
Dependent Claim
17 words
The conduit of claim 23, wherein the section of blood vessel contains at least one artificial valve.
Claim 26
Dependent Claim
13 words
The conduit of claim 23, wherein the blood vessel is a human vein.
Claim 27
Dependent Claim
14 words
The conduit of claim 23, wherein the section of blood vessel is an autograft.
Claim 28
Dependent Claim
14 words
The conduit of claim 23, wherein the section of blood vessel is an allograft.
Claim 29
Dependent Claim
14 words
The conduit of claim 23, wherein the section of blood vessel is a xenograft.
Claim 30
Dependent Claim
17 words
The conduit of claim 23, wherein the section of blood vessel is developed through tissue engineering techniques.
Claim 31
Dependent Claim
13 words
The conduit of claim 23, wherein said heart chamber is a left ventricle.
Claim 32
Dependent Claim
13 words
The conduit of claim 23, wherein said heart chamber is a right ventricle.
Claim 33
Dependent Claim
13 words
The conduit of claim 23, wherein said heart chamber is a left atrium.
Claim 34
Dependent Claim
13 words
The conduit of claim 23, wherein said heart chamber is a right atrium.
Claim 35
Dependent Claim
15 words
The conduit of claim 23, wherein said coronary vessel is a left anterior descending artery.
Claim 36
Dependent Claim
14 words
The conduit of claim 23, wherein said coronary vessel is a right coronary artery.
Claim 37
Dependent Claim
14 words
The conduit of claim 23, wherein said coronary vessel is a circumflex coronary artery.
Claim 38
Dependent Claim
14 words
The conduit of claim 23, wherein said coronary vessel is a posterior descending artery.
Claim 39
Dependent Claim
47 words
A bypass conduit for implantation in a body of a patient, said bypass conduit comprising: - a hollow tube having an interior and an exterior; and - a section of blood vessel positioned within said interior of said tube and adapted to allow blood to flow therethrough.
Claim 40
Dependent Claim
59 words
A coronary bypass conduit for implantation in a body of a patient, said coronary bypass conduit comprising: - a hollow tube having an interior and an exterior and adapted to be positioned in a heart wall between a coronary vessel and a heart chamber; and - means for permitting blood to flow through said tube in predominantly one direction.
Claim 41
Dependent Claim
27 words
The conduit of claim 40, wherein the means for permitting blood to flow through said tube in predominantly one direction comprises a section of a blood vessel.
Claim 42
Dependent Claim
12 words
The conduit of claim 41, wherein said blood vessel comprises a vein.
Claim 43
Dependent Claim
14 words
The conduit of claim 41, wherein the section of blood vessel is an autograft.
Claim 44
Dependent Claim
14 words
The conduit of claim 41, wherein the section of blood vessel is an allograft.
Claim 45
Dependent Claim
14 words
The conduit of claim 41, wherein the section of blood vessel is a xenograft.
Claim 46
Dependent Claim
17 words
The conduit of claim 41, wherein the section of blood vessel is developed through tissue engineering techniques.
References Cited (Backward Citations)
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