Intraocular Pressure Sensor
First Claim
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1. An implantable intraocular pressure sensor system comprising:
- a sealed geometric shape with an internal pressure at a first value, the sealed geometric shape having a surface; and
a strain gauge wire embedded in the surface;
wherein when the surface is deflected a measured resistance of the strain gauge wire indicates an intraocular pressure condition.
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Abstract
An implantable intraocular pressure sensor system has a sealed geometric shape with an internal pressure at a first value. A strain gauge wire is embedded in a surface of the sealed geometric shape. When the surface is deflected by intraocular pressure, a measured resistance of the strain gauge wire indicates the intraocular pressure. The system also has a processor coupled to a power source and memory. The processor is configured to read the measured resistance and write values corresponding to intraocular pressure to the memory.
53 Citations
19 Claims
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1. An implantable intraocular pressure sensor system comprising:
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a sealed geometric shape with an internal pressure at a first value, the sealed geometric shape having a surface; and a strain gauge wire embedded in the surface; wherein when the surface is deflected a measured resistance of the strain gauge wire indicates an intraocular pressure condition. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. An implantable intraocular pressure sensor system comprising:
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an IOP sensor comprising; a sealed geometric shape with an internal pressure at a first value, the sealed geometric shape having a surface; and a strain gauge wire embedded in the surface; wherein when the surface is deflected by an intraocular pressure, a measured resistance of the strain gauge wire indicates the intraocular pressure; a processor; a power source coupled to the processor; and a memory coupled to the processor; wherein the processor is configured to read the measured resistance and write values corresponding to intraocular pressure to the memory. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19)
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Specification