Medical Device for Glucose Monitoring or Regulation
3 Assignments
0 Petitions
Accused Products
Abstract
A medical device comprising a pressure generating means adapted to deliver a liquid, a sensor adapted to measure a flow resistance, and an implantable member comprising an analyte responsive porous membrane which reversibly changes its porosity subject to changes in analyte concentration occurring in the solution surrounding the implantable member. The analyte may in particular be glucose. The medical device may also be used for drug administration.
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Citations
52 Claims
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1-26. -26. (canceled)
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27. A medical device comprising:
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an implantable member comprising an analyte responsive porous membrane which reversibly changes its porosity subject to changes in analyte concentration occurring in the medium surrounding the implantable member; a pressure generating means configured to deliver a liquid to the analyte responsive porous membrane; and a sensor adapted to measure a flow resistance of said liquid through the analyte responsive porous membrane. - View Dependent Claims (28, 29, 30, 31, 32, 33, 34, 35, 36, 37)
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38. A method of operating a medical device comprising an analyte responsive porous membrane which changes its porosity subject to changes in an analyte concentration occurring in a solution surrounding the analyte responsive porous membrane, comprising:
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pumping a liquid in one or more discrete pre-determined volumes towards the analyte responsive porous membrane; measuring a flow resistance of the liquid through the analyte responsive porous membrane; and determining an analyte concentration based on the measured flow resistance. - View Dependent Claims (39, 40, 41)
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42. A method of measuring an analyte concentration, the method comprising:
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providing a medical device comprising an analyte responsive porous membrane which changes its porosity subject to changes in analyte concentration occurring in a solution surrounding the analyte responsive porous membrane; delivering a liquid in one or more discrete pre-determined volumes towards the analyte responsive porous membrane; and measuring a flow resistance of the liquid through the analyte responsive porous membrane; determining a analyte concentration based on the measured flow resistance. - View Dependent Claims (43, 44, 45)
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46. A method of administering a drug for influencing an analyte level in a patient, the method including the steps of measuring an analyte concentration comprising:
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providing a medical device comprising an implantable member with an analyte responsive porous membrane which changes its porosity subject to changes in analyte concentration occurring in a solution surrounding the implantable member; delivering a liquid in one or more discrete pre-determined volumes towards the analyte responsive porous membrane; measuring a flow resistance of the liquid through the analyte responsive porous membrane; determining an analyte concentration based on the measured flow resistance; and delivering a drug capable of influencing an analyte level in a patient according to the measured glucose concentration. - View Dependent Claims (47, 48, 49, 50, 51, 52)
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Specification