Antenna stent device for wireless, intraluminal monitoring
First Claim
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1. A stent device, comprising:
- a structure comprising a set of extendible bands that are capable of plastic deformation to form a scaffolding having an inductance, wherein the set of extendible bands has a non-helical configuration prior to the plastic deformation and wherein a portion of the non-helical configuration forms the scaffolding upon plastic deformation; and
a capacitance electrically coupled to the set of extendible bands such that the capacitance and the inductance form a tank circuit after the plastic deformation of the set of extendible bands.
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Abstract
Disclosed herein is a stent device useful for maintaining the patency of a lumen while monitoring an intraluminal characteristic. The device includes a structure having a set of extendible bands that are capable of plastic deformation to form a scaffolding having an inductance, and further includes a capacitance coupled to the set of extendible bands and responsive to the intraluminal characteristic. The capacitance and the inductance form a tank circuit after the plastic deformation of the set of extendible bands to enable wireless transmission of an indication of the intraluminal characteristic.
119 Citations
61 Claims
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1. A stent device, comprising:
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a structure comprising a set of extendible bands that are capable of plastic deformation to form a scaffolding having an inductance, wherein the set of extendible bands has a non-helical configuration prior to the plastic deformation and wherein a portion of the non-helical configuration forms the scaffolding upon plastic deformation; and a capacitance electrically coupled to the set of extendible bands such that the capacitance and the inductance form a tank circuit after the plastic deformation of the set of extendible bands. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A device for maintaining patency of a lumen while monitoring an intiraluminal characteristic of the lumen, comprising:
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a sensor responsive to the intraluminal characteristic of the lumen to generate a signal indicative thereof; and a stent structure having a non-tubular and non-helical configuration prior to deployment wherein the non-helical configuration of the stent structure is capable of plastic deformation to form a helical scaffolding upon deployment such that the helical scaffolding comprises an inductance coupled to the sensor for wireless transmission of the signal. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21)
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22. A device for maintaining patency of a lumen while monitoring an intraluminal characteristic of the lumen, comprising:
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a sensor responsive to the intraluminal characteristic of the lumen to generate a signal indicative thereof; and a scaffolding deployed in the lumen and having a helical portion and a non-helical portion wherein the helical portion comprises an inductance coupled to the sensor for wireless transmission of the signal and wherein the non-helical portion provides structural support for maintaining the patency of the lumen, wherein the scaffolding comprises a set of extendible bands, wherein the sensor is structurally coupled to the scaffolding. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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33. A stent device for monitoring an intraluminal characteristic, comprising:
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a plastically deformable structure capable of having a planar configuration prior to deformation and having a helical portion upon catheter-based deployment wherein the plastically deformable structure comprises a sensor site positioned at an end of the plastically deformable structure; and a sensor capable of generating a signal indicative of the intraluminal characteristic wherein the sensor is structurally coupled to the plastically deformable structure at the sensor site such that the sensor is suitably disposed for the catheter-based deployment with the plastically deformable structure; wherein the helical portion comprises an inductance coupled to the sensor to enable wireless transmission of the signal generated by the sensor. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45)
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46. A stent device for monitoring first and second intraluminal characteristics, comprising:
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first and second sensors generating respective signals indicative of the first and second intraluminal characteristics, respectively; and a scaffolding comprising first and second inductive coils respectively coupled to the first and second sensors for separate, wireless transmission of the respective signals indicative of the first and second intraluminal characteristics, wherein the first and second inductive coils comprise a plurality of extendible bands and wherein the scaffolding comprises a common electrical node and a connection between the plurality of extendible bands and the common electrical node, the connection defining first and second sets of extendible bands of the plurality of extendible bands wherein the first and second sets of extendible bands form the first and second inductive coils, respectively. - View Dependent Claims (47, 48, 49, 50, 51, 52, 53, 54, 55)
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56. A stent device, comprising:
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a plurality of bands capable of arrangement in a planar structure and plastic deformation into a 3-D structure, wherein the plurality of bands comprises first and second adjacent bands; wherein the plastic deformation of the first and second adjacent bands involves expansion in first and second directions, respectively; and
,wherein the first and second adjacent bands are coupled such that the expansion in the first and second directions arranges the first and second adjacent bands in a helical coil. - View Dependent Claims (57, 58, 59, 60, 61)
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Specification