Implantable tissue structure modifiers and methods for using the same
First Claim
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1. An implantable tissue structure modification device, the device comprising:
- a structure having first and second tissue securers separated by a contraction region that is structured to assume a linear constrained configuration when the device is in a constrained configuration and a curvilinear relaxed configuration when the device is in a relaxed configuration, wherein the device is configured to be implanted at a cardiac location and assume a first constrained arc length of the structure when the device is in the constrained configuration that is longer than a second relaxed arc length of the structure when the device is in the relaxed configuration; and
wherein the device is configured so that the structure defines a shorter radius when present in the relaxed configuration as compared to the constrained configuration.
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Abstract
Implantable tissue structure modification devices are provided. Aspects of the tissue structure modification devices include first and second tissue securers separated by a contraction region, wherein the device is configured to be implanted at a cardiac location and assume a first constrained length that is longer than a second relaxed length. Also provided are methods of using the devices for tissue structure modification, as well as delivery systems and kits that find use in the methods. The devices and methods of the invention find use in a variety of different applications, including valve (e.g., mitral valve) structure modification.
26 Citations
17 Claims
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1. An implantable tissue structure modification device, the device comprising:
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a structure having first and second tissue securers separated by a contraction region that is structured to assume a linear constrained configuration when the device is in a constrained configuration and a curvilinear relaxed configuration when the device is in a relaxed configuration, wherein the device is configured to be implanted at a cardiac location and assume a first constrained arc length of the structure when the device is in the constrained configuration that is longer than a second relaxed arc length of the structure when the device is in the relaxed configuration; and wherein the device is configured so that the structure defines a shorter radius when present in the relaxed configuration as compared to the constrained configuration. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A system comprising:
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(a) a minimally invasive deployment device; and (b) an implantable tissue structure modification device comprising a structure having first and second tissue securers separated by a contraction region that is structured to assume a linear constrained configuration when the device is in a constrained configuration and a curvilinear relaxed configuration when the device is in a relaxed configuration; wherein; the device is configured to be implanted at a cardiac location and assume a first constrained arc length of the structure when the device is in the constrained configuration that is longer than a second relaxed arc length of the structure when the device is in the relaxed configuration; the device is configured so that the structure defines a shorter radius when present in the relaxed configuration as compared to the constrained configuration; and the implantable device is associated in the constrained configuration with the minimally invasive deployment device. - View Dependent Claims (16)
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17. A kit comprising:
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(a) a minimally invasive deployment device; and (b) a first implantable tissue structure modification device, the implantable device comprising a structure having first and second tissue securers separated by a contraction region that is structured to assume a linear constrained configuration when the device is in a constrained configuration and a curvilinear relaxed configuration when the device is in a relaxed configuration; wherein the device is configured to be implanted at a cardiac location and assume a first constrained arc length of the structure when the device is in the constrained configuration that is longer than a second relaxed arc length of the structure when the device is in the relaxed configuration; and the device is configured so that the structure defines a shorter radius when present in the relaxed configuration as compared to the constrained configuration.
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Specification