Implantable electrochemical sensor
First Claim
1. Implantable sensor for amperometric measurements in body liquids, such as blood or tissue liquid, comprisinga measurement electrode;
- a reference electrode tubularly surrounding the measurement electrode and made of a stainless steel containing molybdenum as an alloy component; and
a layer of an immobilized enzyme being disposed on at least one end of the electrodes,wherein said at least one end is adapted for insertion into a body liquid.
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Accused Products
Abstract
The implantable electrochemical sensor for amperometric measurements in body liquids comprises at least one measurement electrode formed as a platinum wire, a reference electrode tubularly surrounding the measurement electrode and possibly made up of several parts and made of stainless steel containing molybdenum as an alloying component. Furthermore, a layer of an immobilized enzyme, such as glucose oxidase, is disposed on the electrodes. The sensor is intended for use for the control of blood sugar and tissue sugar in diabetics and is suitable to be employed in a portable diagnostic and/or therapeutic apparatus.
868 Citations
15 Claims
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1. Implantable sensor for amperometric measurements in body liquids, such as blood or tissue liquid, comprising
a measurement electrode; -
a reference electrode tubularly surrounding the measurement electrode and made of a stainless steel containing molybdenum as an alloy component; and a layer of an immobilized enzyme being disposed on at least one end of the electrodes, wherein said at least one end is adapted for insertion into a body liquid. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification