Prosthetic valves for medical application
First Claim
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1. A prosthetic valve for replacing a heart valve, comprising:
- a flap valve that includes at least one moveable flap arranged to allow movementof liquid through the prosthetic valve only in one direction;
the at least one flap consisting of a flexible openwork structure of a medically acceptable metal; and
the flexible openwork structure being selected from the group consisting of;
knitted wire and chainmail.
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Abstract
A prosthetic valve in the form of a flap valve which includes one or more flaps arranged to allow movement of liquid through the valve only in one direction, in which the or each flap is made of a flexible open work structure of a medically acceptable metal such as titanium or a titanium alloy.
11 Citations
24 Claims
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1. A prosthetic valve for replacing a heart valve, comprising:
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a flap valve that includes at least one moveable flap arranged to allow movement of liquid through the prosthetic valve only in one direction; the at least one flap consisting of a flexible openwork structure of a medically acceptable metal; and the flexible openwork structure being selected from the group consisting of;
knitted wire and chainmail. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of promoting tissue growth and endothelialisation, minimising the risk of foreign body infection following the fitting of a prosthetic valve in a living subject, said method comprising:
providing a prosthetic valve including; a flap valve that includes at least one moveable flap arranged to allow movement of liquid through the prosthetic valve only in one direction; the at least one flap consisting of a flexible open work structure of a medically acceptable metal; and the flexible openwork structure being selected from the group consisting of;
knitted wire and chainmail.- View Dependent Claims (10, 11)
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12. A prosthetic valve for replacing a heart valve, comprising:
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a flap valve that includes at least one moveable flap arranged to allow movement of liquid through the prosthetic valve only in one direction; the at least one flap consisting of a flexible openwork structure of a medically acceptable metal coated with a degradable sealing material, the degradable sealing material being configured as an initial coating to prevent leakage through the flexible openwork structure until such time as a living subject develops a coating over the at least one flap by endothelialisation; and the flexible openwork structure being selected from the group consisting of;
knitted wire and chainmail. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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21. A method of promoting tissue growth
and endothelialisation, minimising the risk of foreign body infection following the fitting of a prosthetic valve in a living subject, said method comprising: providing a prosthetic valve including; a flap valve that includes at least one moveable flap arranged to allow movement of liquid through the prosthetic valve only in one direction; the at least one flap consisting of a flexible open work structure of a medically acceptable metal coated with a degradable sealing material, the degradable sealing material being configured as an initial coating to prevent leakage through the flexible open work structure until such time as a living subject develops a coating over the at least one flap by endothelialisation; and the flexible open work structure being selected from the group consisting of;
knitted wire and chainmail.- View Dependent Claims (22, 23)
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24. A prosthetic valve for replacing a heart valve, comprising:
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a flap valve that includes at least one moveable flap arranged to open the valve in one direction of flow and close the valve in an opposite direction of flow; the at least one flap consisting of a flexible openwork structure of a medically acceptable metal; and the flexible openwork structure being selected from the group consisting of;
knitted wire and chainmail.
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Specification