Devices, systems, and methods for determining vein geometric and compliance profiles for venous stenting
First Claim
1. A device, comprising:
- an elongated body configured to fit within a mammalian luminal organ;
a balloon coupled to the elongated body, the balloon capable of and configured for inflation and deflation within the mammalian luminal organ;
at least two excitation electrodes positioned along the elongated body within the balloon;
a plurality of at least three detection electrodes positioned in between at least two of the at least two excitation electrodes; and
a temperature sensor positioned within the balloon;
wherein when the elongated body is at least partially inserted into the mammalian luminal organ, wherein when an unheated fluid is introduced into the balloon, and wherein when at least two of the at least two excitation electrodes generate an electric field, a first pair of two adjacent detection electrodes of the at least three detection electrodes can detect the electric field and obtain a first conductance measurement within the balloon, and a second pair of two adjacent detection electrodes of the at least three detection electrodes can detect the electric field and obtain a second conductance measurement within the balloon, the first conductance measurement and the second conductance measurement indicative of different locations within the balloon; and
wherein the device is configured to obtain pressure data in addition to the first conductance measurement and the second conductance measurement, wherein dimensional data from the first conductance measurement or the second conductance measurement along with the pressure data provide compliance data at one or more locations within the mammalian luminal organ.
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Accused Products
Abstract
Devices, systems, and methods for determining vein geometric and compliance profiles for venous stenting. In one device embodiment, the device comprises an elongated body configured to fit within a mammalian luminal organ, a balloon coupled to the elongated body capable of and configured for inflation and deflation within the mammalian luminal organ, at least two excitation electrodes positioned along the elongated body within the balloon, and a plurality of at least three detection electrodes positioned in between at least two of the at least two excitation electrodes, wherein a first pair of two adjacent detection electrodes of the at least three detection electrodes can detect an electric field generated by the at least two excitation electrodes and obtain a first conductance measurement within the balloon, and a second pair of two adjacent detection electrodes can detect the electric field and obtain a second conductance measurement within the balloon.
11 Citations
20 Claims
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1. A device, comprising:
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an elongated body configured to fit within a mammalian luminal organ; a balloon coupled to the elongated body, the balloon capable of and configured for inflation and deflation within the mammalian luminal organ; at least two excitation electrodes positioned along the elongated body within the balloon; a plurality of at least three detection electrodes positioned in between at least two of the at least two excitation electrodes; and a temperature sensor positioned within the balloon; wherein when the elongated body is at least partially inserted into the mammalian luminal organ, wherein when an unheated fluid is introduced into the balloon, and wherein when at least two of the at least two excitation electrodes generate an electric field, a first pair of two adjacent detection electrodes of the at least three detection electrodes can detect the electric field and obtain a first conductance measurement within the balloon, and a second pair of two adjacent detection electrodes of the at least three detection electrodes can detect the electric field and obtain a second conductance measurement within the balloon, the first conductance measurement and the second conductance measurement indicative of different locations within the balloon; and wherein the device is configured to obtain pressure data in addition to the first conductance measurement and the second conductance measurement, wherein dimensional data from the first conductance measurement or the second conductance measurement along with the pressure data provide compliance data at one or more locations within the mammalian luminal organ. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method, comprising the steps of:
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inserting at least part of a device into a mammalian luminal organ, the device comprising; an elongated body configured to fit within the mammalian luminal organ, a balloon coupled to the elongated body, the balloon capable of and configured for inflation and deflation within the mammalian luminal organ, at least two excitation electrodes positioned along the elongated body within the balloon, a plurality of at least three detection electrodes positioned in between at least two of the at least two excitation electrodes, and a temperature sensor within the balloon; inflating the balloon with an unheated fluid within the mammalian luminal organ so that the balloon contacts the mammalian luminal organ; obtaining a first conductance measurement within the balloon by exciting an electric field using the at least two excitation electrodes and detecting the electric field using a first pair of two adjacent detection electrodes; and obtaining a second conductance measurement within the balloon by detecting the electric field using a second pair of two adjacent detection electrodes different from the first pair of two adjacent detection electrodes, the first conductance measurement and the second conductance measurement indicative of different locations within the balloon. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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19. A method of treating a luminal organ disease, comprising the steps of:
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inserting at least part of a device into a mammalian luminal organ, the device comprising; an elongated body configured to fit within the mammalian luminal organ, a balloon coupled to the elongated body, the balloon capable of and configured for inflation and deflation within the mammalian luminal organ, at least two excitation electrodes positioned along the elongated body within the balloon, a plurality of at least five detection electrodes positioned in between at least two of the at least two excitation electrodes, and a temperature sensor within the balloon; inflating the balloon with an unheated fluid within the mammalian luminal organ at a lesion or other vascular abnormality so that the balloon contacts the mammalian luminal organ; obtaining at least four conductance measurements within the balloon by exciting an electric field using the at least two excitation electrodes and detecting the electric field using a first pair of two adjacent detection electrodes, a second pair of two adjacent detection electrodes, a third pair of two adjacent detection electrodes, and a fourth pair of two adjacent detection electrodes, each of the four conductance measurements indicative of different locations within the balloon; generating a profile of the mammalian luminal organ based upon the at least four conductance measurements, the profile identifying a location of the lesion or other vascular abnormality relative to the balloon and a size of the lesion relative to other portions of the mammalian luminal organ; identifying an appropriately-sized stent based upon the size of the lesion or other vascular abnormality; and placing the stent within the mammalian luminal organ at the location of the lesion or other vascular abnormality identified by the profile. - View Dependent Claims (20)
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Specification