Abstract: An electrocardiography device (ECG device) designed for use in combination with a magnetic resonance device, including: a carrier unit; a receiving unit designed to mount on the carrier unit; an electrode; an electrode conductor connecting the electrode to the receiving unit, wherein the electrode conductor is stabilized at least partially by way of a shapeable guide element.

Abstract: One or more example embodiments relates to a measurement system for measuring bio-electric signals from a patient, comprising a sensor electrode; and a mechanical mounting for the sensor electrode, the mechanical mounting being compressible at least partially by a weight of the patient, the mechanical mounting including a frame structure and a compressible supporting structure, wherein the mechanical mounting is attachable to a substrate of the measurement system to support the sensor electrode against the substrate, the compressible supporting structure is beneath the sensor electrode, the frame structure at least partially surrounds the supporting structure, and in an unloaded state, the supporting structure protrudes beyond the frame structure.

Abstract: In a method for extracting physiological data of an object under examination from ECG signals as part of MR imaging, raw ECG data comprising ECG signals may be captured from at least three electrodes located at different positions on an object under examination. The raw ECG data may be processed, which may include performing a first filtering using a first filter configured to extract an electrocardiogram, performing a second filtering using a second filter configured to identify a heartbeat, performing a third filtering using a third filter configured to extract and/or represent a respiratory movement, and/or performing a fourth filtering using a fourth filter configured to identify breathing. The processed raw ECG data including physiological data of the object under examination may be provided as an output.

Abstract: An electrocardiography device (ECG device) designed for use in combination with a magnetic resonance device, including: a carrier unit; a receiving unit designed to mount on the carrier unit; an electrode; an electrode conductor connecting the electrode to the receiving unit, wherein the electrode conductor is stabilized at least partially by way of a shapeable guide element.

Abstract: An electrode for producing electrical contact with skin is provided. The electrode includes a first electrical connection, a second electrical connection that is electrically insulated from the first electrical connection, and a skin contact. The skin contact has a first contact region that is electrically coupled to the first electrical connection, and a second contact region that is electrically insulated from the first contact region and is electrically coupled to the second electrical connection. The skin contact is configured to produce electrical contact between the skin and the skin contact when the electrode is in a state placed on the skin.

Abstract: A filter method for reducing interferences of a measuring signal, caused by magnetic fields of a rotatable medical imaging system while measuring bioelectric signals in a differential voltage measuring system, the filter method including: capturing a frequency value of a rotation of a gantry of the rotatable medical imaging system; generating a virtual reference signal as a function of the frequency value captured; estimating, via an adaptive signal filter, an amplitude and a constant phase offset of an estimated interference signal, based upon the virtual reference signal generated and a measuring signal; and filtering the measuring signal with the adaptive signal filter by subtracting the estimated interference signal from the measuring signal. A filter apparatus is also described. Furthermore a voltage measuring system is described. Furthermore, a rotating medical imaging system is described.

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.

Abstract: A signal measurement circuit comprises: a sensor electrode layer connected via a sensor cable to a measurement amplifier circuit; an active shielding layer, which runs along a side of the sensor electrode layer that faces away from the patient; and a first insulating layer that runs between the sensor electrode layer and the active shielding layer. The sensor electrode layer and the active shielding layer are embodied to be electrically conductive.

Abstract: The differential voltage measuring system has a number of signal measuring circuits, each having a capacitive sensor element for capturing a measurement signal relating to the patient. The differential voltage measuring system further has a signal processing apparatus for determining at least one bioelectrical signal from the measurement signals and a computer unit which is configured to ascertain, on the basis of the at least one bioelectrical signal, and to provide, an item of breathing information, said breathing information indicating a breathing activity of the patient.

Abstract: A detection apparatus is for detecting interference on signal paths in a differential voltage measuring system with a signal measuring circuit for measuring bioelectric signals with a number of useful signal paths having at least one shield. In an embodiment, the detection apparatus includes at least one analysis unit, connected to the shield and embodied to detect interference in a useful signal path of the voltage measuring system via a signal measured at the shield in the case of interference.

Abstract: At least one example embodiment relates to a measuring system for measuring bioelectrical signals of a patient, the measuring system comprising a sensor electrode, and a mechanical mounting for the sensor electrode, the mechanical mounting being at least partially compressible and comprising a frame structure and a supporting structure. The mechanical mounting is fastened to a substrate of the measuring system and supports the sensor electrode against the substrate, the supporting structure is arranged beneath the sensor electrode, the frame structure at least partially surrounds the supporting structure, and the supporting structure is configured higher than the frame structure.

Abstract: A sensor selection facility is described. In an embodiment, the sensor selection facility includes an image capture unit for acquiring image data from a patient; a position ascertainment unit for ascertaining positions of the capacitive sensor electrodes relative to the body of the patient based upon the image data; an evaluation unit for ascertaining the anticipated quality of a sensor signal from the capacitive sensor electrodes based upon the ascertained positions; and a combination unit for defining a combination strategy for combining the sensor signals from the respective capacitive sensor electrodes based upon the ascertained signal quality of the capacitive sensor electrodes. A differential voltage measurement system is also described. A method and computer readable medium for adapting a differential voltage measurement system are moreover described.

Abstract: A fault detection device includes at least one electricity generating unit, to impress a signal on a first useful signal path; at least one first comparison unit, to determine if the signal of the first useful signal path lies within a measuring range; and at least one first interference signal path, designed as a current measurement path, for current-detecting measurement of a first interference signal. A signal path defect analysis unit, is included to detect a signal path defect, upon the impressed signal not being measured on the at least one first interference signal path and upon the checked signal of the comparison unit being determined to lie within the measuring range. Furthermore, corresponding methods are for the detection of signal path defects in a voltage measuring system for measuring bioelectric signals are defined.

Abstract: An interference signal compensation facility in a differential voltage measuring system including a signal measuring circuit for measuring bioelectric signals with a number of useful signal paths, each with a capacitive sensor electrode for the acquisition of a measurement signal, is described. The interference signal compensation facility includes at least one capacitive reference electrode, set up to acquire a reference signal which possibly includes an interference signal generated by an external interference source. Furthermore, the interference signal compensation facility includes an echo compensation unit, set up to filter the measurement signal based upon the capacitively acquired reference signal and to determine an interference-compensated measurement signal. A differential voltage measuring system is also described. Moreover, an X-ray imaging system is described. In addition, a method for generating an interference-reduced biological measurement signal is described.

Abstract: A method is for medical imaging of a patient using a medical imaging system with ECG triggering. In an embodiment, the method includes capturing a respiration signal of the patient including n respiration cycles; concurrently capturing an ECG signal of the patient including m heartbeat intervals; determining a respiration-dependent heartbeat model based upon the n respiration cycles and the m heartbeat intervals; specifying at least one trigger time-point based upon the respiration-dependent heartbeat model; and starting the medical imaging at the specified trigger time-point.

Abstract: An interference signal measuring facility is in a differential voltage measuring system with a signal measuring circuit for measuring bioelectric signals with a number of useful signal paths, each with a sensor electrode. In an embodiment, the interference signal measuring facility has an additional sensor lead for each sensor electrode each of which is electrically connected to a ground connection of a supply lead of a sensor electrode; and a measuring amplifier circuit, for each sensor electrode connected to the additional sensor lead via an electrical resistor, configured to detect a change in electric potential occurring on the sensor lead and to determine an electrode reference interference signal therefrom. Also described is an interference signal compensation facility; a differential voltage measuring system; and a method for generation an interference-reduced biological measurement signal are described.

Abstract: A filter method for reducing interferences of a measuring signal, caused by magnetic fields of a rotatable medical imaging system while measuring bioelectric signals in a differential voltage measuring system, the filter method including: capturing a frequency value of a rotation of a gantry of the rotatable medical imaging system; generating a virtual reference signal as a function of the frequency value captured; estimating, via an adaptive signal filter, an amplitude and a constant phase offset of an estimated interference signal, based upon the virtual reference signal generated and a measuring signal; and filtering the measuring signal with the adaptive signal filter by subtracting the estimated interference signal from the measuring signal. A filter apparatus is also described. Furthermore a voltage measuring system is described. Furthermore, a rotating medical imaging system is described.

Abstract: A detection apparatus is for detecting interference on signal paths in a differential voltage measuring system with a signal measuring circuit for measuring bioelectric signals with a number of useful signal paths having at least one shield. In an embodiment, the detection apparatus includes at least one analysis unit, connected to the shield and embodied to detect interference in a useful signal path of the voltage measuring system via a signal measured at the shield in the case of interference.

Abstract: A fault detection device includes at least one electricity generating unit, to impress a signal on a first useful signal path; at least one first comparison unit, to determine if the signal of the first useful signal path lies within a measuring range; and at least one first interference signal path, designed as a current measurement path, for current-detecting measurement of a first interference signal. A signal path defect analysis unit, is included to detect a signal path defect, upon the impressed signal not being measured on the at least one first interference signal path and upon the checked signal of the comparison unit being determined to lie within the measuring range. Furthermore, corresponding methods are for the detection of signal path defects in a voltage measuring system for measuring bioelectric signals are defined.

Abstract: Methods, noise detection devices, and differential voltage measuring systems are provided for detecting noise signals for the purpose of measuring cardiac movements in a patient. In the method, contact is made with the patient by at least two measuring electrodes having at least one associated measuring channel. Furthermore, a heartbeat measurement is performed. During the heartbeat measurement, signals from the patient are detected over the at least one measuring channel. Then, a check is made of whether the detected signals have been caused by noise by comparing the detected signals with at least one heartbeat type that was identified in the course of the learning procedure.