Implantable optical glucose sensing
First Claim
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1. Apparatus for detecting an analyte, configured to be implanted in a body of a subject, the apparatus comprising:
- an optical fiber having a distal portion;
a membrane permeable to the analyte, the membrane coupled to the distal portion of the fiber and surrounding a sampling region at least in part, by being fitted over the distal portion of the fiber,the sampling region being entirely distal to the fiber and comprising a glucose-permeable material; and
a perforated tube surrounding the sampling region,wherein the membrane surrounds the perforated tube.
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Abstract
Apparatus is provided for detecting an analyte, configured to be implanted in a body of a subject. The apparatus includes an optical fiber having a distal portion and also a membrane permeable to the analyte. The membrane is coupled to the distal portion of the fiber and surrounding a sampling region at least in part, by being fitted over the distal portion of the fiber. Other embodiments are also described.
119 Citations
23 Claims
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1. Apparatus for detecting an analyte, configured to be implanted in a body of a subject, the apparatus comprising:
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an optical fiber having a distal portion; a membrane permeable to the analyte, the membrane coupled to the distal portion of the fiber and surrounding a sampling region at least in part, by being fitted over the distal portion of the fiber, the sampling region being entirely distal to the fiber and comprising a glucose-permeable material; and a perforated tube surrounding the sampling region, wherein the membrane surrounds the perforated tube. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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Specification