Low profile heart valve delivery system and method
First Claim
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1. A percutaneous heart valve delivery system having a first configuration and a second configuration, the system comprising:
- a sheath;
a stent having a proximal end and a distal end;
a replacement valve having a proximal end and a distal end; and
at least one suture line extending through a lateral side of the replacement valve, a lateral side of the stent, and between the stent and replacement valve;
wherein the stent and replacement valve are disposed within the sheath and the distal end of the replacement valve is proximal to the proximal end of the stent, when the system is in the first configuration;
wherein the distal end of the replacement valve is distal to the proximal end of the stent, when the system is in the second configuration;
wherein the proximal end of the replacement valve extends radially outward from a longitudinal centerline of the replacement valve farther than the distal end of the replacement valve, when the system is in the second configuration;
wherein pulling proximally on the at least one suture line shifts the system from the first configuration to the second configuration by translating the replacement valve distally toward the stent.
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Abstract
A heart valve delivery system includes a low-profile catheter having an outer sheath, the outer sheath having therein a stent and a replacement heart valve. In an unemployed configuration, the stent is located distally to the replacement heart valve. Upon deployment, however, the stent and replacement heart valve are expanded and the replacement heart valve is situated within the stent.
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Citations
17 Claims
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1. A percutaneous heart valve delivery system having a first configuration and a second configuration, the system comprising:
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a sheath; a stent having a proximal end and a distal end; a replacement valve having a proximal end and a distal end; and at least one suture line extending through a lateral side of the replacement valve, a lateral side of the stent, and between the stent and replacement valve; wherein the stent and replacement valve are disposed within the sheath and the distal end of the replacement valve is proximal to the proximal end of the stent, when the system is in the first configuration; wherein the distal end of the replacement valve is distal to the proximal end of the stent, when the system is in the second configuration; wherein the proximal end of the replacement valve extends radially outward from a longitudinal centerline of the replacement valve farther than the distal end of the replacement valve, when the system is in the second configuration; wherein pulling proximally on the at least one suture line shifts the system from the first configuration to the second configuration by translating the replacement valve distally toward the stent. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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Specification