Remotely addressable pressure and/or temperature measuring device installed in a biological medium
First Claim
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1. A remotely interrogatable pressure and/or temperature measuring device comprising at least:
- an acoustic wave sensor comprising at least one resonator coupled to a first antenna element; and
an interrogation system comprising a second antenna element for transmission and reception,wherein the measuring device further comprises an expandable tubular structure, said structure integrating a biocompatible material and said acoustic wave sensor encapsulated in the biocompatible material and in that the second antenna element operates at frequencies above several tens of MegaHertz, andwherein the tubular structure comprises a metallic structure in the form of an expandable trellis.
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Abstract
A remotely interrogatable pressure and/or temperature measuring device includes at least an acoustic wave sensor including at least one resonator coupled to a first antenna element, and an interrogation system including a second antenna element for transmission and reception. The device further includes an expandable tubular structure, the structure integrating a biocompatible material, and the acoustic wave sensor is encapsulated in the biocompatible material. The second antenna element operates at frequencies above several tens of MegaHertz.
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Citations
19 Claims
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1. A remotely interrogatable pressure and/or temperature measuring device comprising at least:
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an acoustic wave sensor comprising at least one resonator coupled to a first antenna element; and an interrogation system comprising a second antenna element for transmission and reception, wherein the measuring device further comprises an expandable tubular structure, said structure integrating a biocompatible material and said acoustic wave sensor encapsulated in the biocompatible material and in that the second antenna element operates at frequencies above several tens of MegaHertz, and wherein the tubular structure comprises a metallic structure in the form of an expandable trellis. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A remotely interrogatable pressure and/or temperature measuring device, comprising:
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an acoustic wave sensor comprising at least one resonator coupled to a first antenna element; and an interrogation system comprising a second antenna element for transmission and reception, wherein the measuring device further comprises an expandable tubular structure, said structure integrating a biocompatible material and said acoustic wave sensor encapsulated in the biocompatible material and in that the second antenna element operates at frequencies above several tens of MegaHertz, and wherein the sensor is a pressure and/or temperature sensor, comprising a stack of several substrates each comprising a resonator and an integrated antenna, produced by way of peripheral walls. - View Dependent Claims (17, 18)
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19. A remotely interrogatable pressure and/or temperature measuring device comprising at least:
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an acoustic wave sensor comprising at least one resonator coupled to a first antenna element; and an interrogation system comprising a second antenna element for transmission and reception, wherein the measuring device further comprises an expandable tubular structure, said structure integrating a biocompatible material and said acoustic wave sensor encapsulated in the biocompatible material and in that the second antenna element operates at frequencies above several tens of MegaHertz, and wherein a method of fabricating the measuring device comprises the following steps; producing an opening on a peripheral part of the expandable tubular structure; placing said expandable tubular structure on a mandrel exhibiting a groove; positioning the sensor in the opening of the expandable tubular structure positioned on the mandrel and facing said groove; depositing a biocompatible shrouding resin making it possible to encapsulate said sensor; and removing the expandable tubular structure from said mandrel.
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Specification