Devices and methods for control of blood pressure
First Claim
1. A method of stimulating baroreceptors to treat a disease, the method comprising:
- providing an implantable device comprising;
a proximal end portion comprising a plurality of proximal struts extending along four proximal arches,a distal end portion comprising a plurality of distal struts extending along four distal arches, anda central portion arranged between the proximal and distal end portions and comprising a longitudinal length of at least 5 mm, the central portion comprising four central struts and four continuous open regions; and
implanting the device in a carotid artery of a subject,wherein the four central struts contact a wall of the carotid artery and flatten and stretch the wall at the four open regions,wherein the four proximal arches and the four distal arches resist pressure exerted by the wall of the carotid artery on the four central struts,wherein flattening and stretching of the wall at the four open regions stimulate the baroreceptors and treat the disease, andwherein the flattening and stretching causes the wall to form alternating device contact regions and device non-contact regions, the device non-contact regions having a first radius of curvature and the device contact regions having a second radius of curvature less than the first radius of curvature.
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Accused Products
Abstract
Apparatus and methods are described including an implantable device having first and second longitudinal ends, the device having a length of less than 80 mm when the device is unconstrained. The device includes struts arranged such that, when the device is unconstrained, along a continuous portion of the device having a length that is at least 5 mm, a maximum inter-strut distance defined by any set of two adjacent struts is more than 1.5 times as great as a maximum inter-strut distance defined by any set of two adjacent struts within longitudinal portions of the device within 3 mm of the longitudinal ends of the device. Other applications are also described.
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Citations
16 Claims
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1. A method of stimulating baroreceptors to treat a disease, the method comprising:
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providing an implantable device comprising; a proximal end portion comprising a plurality of proximal struts extending along four proximal arches, a distal end portion comprising a plurality of distal struts extending along four distal arches, and a central portion arranged between the proximal and distal end portions and comprising a longitudinal length of at least 5 mm, the central portion comprising four central struts and four continuous open regions; and implanting the device in a carotid artery of a subject, wherein the four central struts contact a wall of the carotid artery and flatten and stretch the wall at the four open regions, wherein the four proximal arches and the four distal arches resist pressure exerted by the wall of the carotid artery on the four central struts, wherein flattening and stretching of the wall at the four open regions stimulate the baroreceptors and treat the disease, and wherein the flattening and stretching causes the wall to form alternating device contact regions and device non-contact regions, the device non-contact regions having a first radius of curvature and the device contact regions having a second radius of curvature less than the first radius of curvature. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of stimulating baroreceptors to treat a disease, comprising:
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providing an implantable device comprising; a proximal end portion comprising a plurality of proximal struts extending along four proximal arches, a distal end portion comprising a plurality of distal struts extending along four distal arches, and a central portion arranged between the proximal and distal end portions and comprising a longitudinal length of at least 5 mm, the central portion comprising four central struts and four continuous open regions, wherein when the device is unconstrained, a maximum inter-strut distance between any two adjacent struts of the four central struts is more than 5 mm; and implanting the device in a carotid artery of a subject, wherein the four central struts contact a wall of the carotid artery and flatten and stretch the wall at the four open regions, wherein the four proximal arches and the four distal arches resist pressure exerted by the wall of the carotid artery on the four central struts, wherein flattening and stretching of the wall at the four open regions stimulate the baroreceptors and treat the disease, and wherein the flattening and stretching causes the wall to form alternating device contact regions and device non-contact regions, the device non-contact regions having a first radius of curvature and the device contact regions having a second radius of curvature less than the first radius of curvature. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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Specification