Integrated differential voltage measuring system
AssigneeSiemens Healthineers AG
InventorUlrich Batzer
Life of this patent
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Abstract
An integrated differential voltage measuring system for measuring bioelectrical signals of a patient, includes at least two signal measuring circuits, each of the at least two signal measuring circuits including a sensor electrode; a reference measuring circuit comprising a reference electrode; and a shared electrically conductive electrode covering, wherein the electrically conductive electrode covering superimposes at least a region that is formed by the base areas of the sensor electrodes and reference electrode.
Claims19
An integrated differential voltage measuring system for measuring bioelectrical signals of a patient, the integrated differential voltage measuring system comprising:
- at least two signal measuring circuits, each of the at least two signal measuring circuits including,
- a sensor electrode;
- a reference measuring circuit comprising a reference electrode;
- and
- a shared electrically conductive electrode covering having a surface resistance which is greater than 500 MOhm, the electrically conductive electrode covering configured to be placed between the sensor electrode and a garment worn by the patient and between the reference electrode and the garment worn by the patient, and to create an ohmic resistance between the patient and the sensor electrode via the shared electrically conductive electrode covering,
- wherein the electrically conductive electrode covering superimposes at least a region that is formed by base areas of the sensor electrode and the reference electrode.
An integrated differential voltage measuring system for measuring bioelectrical signals of a patient, the integrated differential voltage measuring system comprising:
- at least two signal measuring circuits, each of the at least two signal measuring circuits including,
- a sensor electrode;
- a reference measuring circuit comprising a reference electrode;
- and
- a shared electrically conductive electrode covering configured to be placed between the sensor electrode and the patient and between the reference electrode and the patient,
- wherein the electrically conductive electrode covering superimposes at least a region that is formed by base areas of the sensor electrode and the reference electrode,
- wherein the electrically conductive electrode covering has a surface resistance which is greater than 500 MOhm, and
- wherein the electrically conductive electrode covering has a bulk resistance of less than 100 MOhm.
An integrated differential voltage measuring system, on a garment, for measuring bioelectrical signals of a patient, the integrated differential voltage measuring system comprising:
- at least two measuring circuits, each of the at least two measuring circuits including,
- a sensor electrode;
- a reference measuring circuit comprising a reference electrode;
- and
- a shared electrically conductive electrode covering having a surface resistance which is greater than 500 MOhm, the shared electrically conductive electrode covering comprising a conductive material, configured to be placed between the sensor electrode and the garment worn by the patient and between the reference electrode and the garment worn by the patient,
- wherein the electrically conductive electrode covering superimposes at least a region that is formed by base areas of the sensor electrode and the reference electrode, and
- wherein the garment and the shared electrically conductive electrode covering are configured to create an ohmic resistance which is connected in parallel with a capacitive resistance between the patient and the sensor electrode.
Dependencies are inferred from the claim text.