Body lumen device anchor, device and assembly
First Claim
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1. A device that effects the condition of a mitral valve annulus of a heart comprising:
- an elongated body dimensioned to be placed in the coronary sinus of the heart adjacent the mitral valve annulus;
a fixation member carried by the device, the fixation member being adjustable from a first configuration that permits placement of the device in the coronary sinus to a maximum second configuration that anchors the device within the coronary sinus; and
a lock that locks the fixation member in the second configuration and intermediate the first configuration and the second configuration;
wherein the fixation member is elongated and has a first end hingedly coupled to the device body, wherein the fixation member extends along the device body closely spaced to the device body when in the first configuration and wherein the fixation member is pivoted from the device body when in the second configuration to engage the coronary sinus and anchor the device in the coronary sinus.
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Abstract
An anchor anchors a therapeutic device having an elongated body within a body lumen. The anchor includes a fixation member carried on the device which is adjustable from a first configuration that permits placement of the device in the body lumen to a second configuration that anchors the device within the body lumen. The anchor further includes a lock that locks the fixation member in the second configuration. The fixation member may be locked in any one of a plurality of intermediate points between the first configuration and a maximum second configuration.
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Citations
24 Claims
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1. A device that effects the condition of a mitral valve annulus of a heart comprising:
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an elongated body dimensioned to be placed in the coronary sinus of the heart adjacent the mitral valve annulus; a fixation member carried by the device, the fixation member being adjustable from a first configuration that permits placement of the device in the coronary sinus to a maximum second configuration that anchors the device within the coronary sinus; and a lock that locks the fixation member in the second configuration and intermediate the first configuration and the second configuration; wherein the fixation member is elongated and has a first end hingedly coupled to the device body, wherein the fixation member extends along the device body closely spaced to the device body when in the first configuration and wherein the fixation member is pivoted from the device body when in the second configuration to engage the coronary sinus and anchor the device in the coronary sinus. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An assembly that effects the condition of a mitral valve annulus of a heart, the assembly comprising:
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a mitral valve therapy device dimensioned to be placed in the coronary sinus adjacent the mitral valve annulus, the device including an elongated body, a fixation member carried by the device, the fixation member being adjustable from a first configuration that permits placement of the device in the coronary sinus to a maximum second configuration that anchors the device within the coronary sinus, and a lock that locks the fixation member in the second configuration and intermediate the first configuration and the second configuration; a flexible catheter having a lumen that receives the device and being dimensioned to be advanced into the coronary sinus to place the device adjacent the coronary sinus, the catheter transitioning the fixation member from the first configuration to the second configuration; and a tether receivable by the catheter lumen and engageable with the device to pull the device proximally with respect to the catheter; wherein the fixation member is elongated and has a first end hingedly coupled to the device body, wherein the fixation member extends along the device body when in the first configuration and wherein the fixation member is pivoted from the device body into the second configuration by distal movement of the catheter with respect to the device to engage the coronary sinus and anchor the device in the coronary sinus. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17)
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18. A device that anchors in a body lumen, the device comprising an anchor and an elongated body dimensioned to be placed in the body lumen, the anchor comprising:
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a fixation member, the fixation member being adjustable from a first configuration that permits placement of the device in the body lumen to a maximum second configuration that anchors the device within the body lumen; and a lock that locks the fixation member in the second configuration and intermediate the first configuration and the maximum second configuration; wherein the fixation member is elongated and has a first end hingedly coupled to the device body, wherein the fixation member extends along the device body closely spaced to the device body when in the first configuration and wherein the fixation member is pivoted from the device body when in the second configuration to engage the body lumen and anchor the device in the body lumen, the anchor further comprising a support that renders the fixation member substantially rigid when in the second configuration. - View Dependent Claims (19, 20, 21, 22, 23, 24)
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Specification