Abstract: A fiber-optic force sensor, comprising an FBG fiber that has a force sensor region, to which bracing means to eliminate or decouple laterally effective forces and bending moments are assigned in such a way that the force sensor has a predominantly single-axis response characteristic to detect merely the magnitude of a force acting axially in the fiber direction.

Abstract: A catheter comprising an elongated and axially rigid catheter body which has a distal end and a proximal end in respect of an operating position, wherein a movable and/or deformable protection element or a corresponding protection section of the catheter body, which is provided with predetermined motion or deformation resistance, is disposed on the distal end, and transducer elements of a converter device for converting displacement into a non-mechanical quantity are provided in a stationary manner on the protection element or protection section, and corresponding pick-up elements of the converter device are provided on the catheter body, or vice versa, and wherein the catheter body comprises a lead for transmitting a measurement signal generated by the converter device to the proximal end, and a measuring connector on the proximal end.

Abstract: Embodiments include a sensor arrangement including a primary sensor in the form of a self-adhering surface electrode that records electric signals. The self-adhering surface electrode includes a primary sensor to contact skin, and a secondary sensor, which differs from the primary sensor, to detect a secondary physical variable. In addition, the sensor arrangement includes an adapter, via which the primary sensor and the secondary sensor are interconnected to form a detachable unit.

Abstract: Embodiments include an electrocardiography system that includes or is connected to a sensor arrangement, wherein the sensor arrangement includes surface electrodes that record electric signals. The electrocardiography system includes a signal processing unit, with filters and amplifiers, which is electrically connected to the sensor arrangement. The electrocardiography system includes a signal evaluation unit connected via a first signal input to the signal processing unit. The signal evaluation unit processes one or more prepared ECG signals provided by the signal processing unit in order to recover an electrocardiogram signal and to display the electrocardiogram signal. The signal evaluation unit includes a second signal input that receives secondary signals obtained by body sensors or monitors, wherein the signal evaluation unit processes the prepared ECG signals depending on the secondary signals.

Abstract: At least one embodiment of the invention relates to a catheter arrangement comprising a catheter with a proximal section and a distal section, to measure a force acting on the distal section and simultaneously receive a temperature signal prevailing in the distal section. According to at least one embodiment of the invention, the catheter arrangement comprises an evaluation unit connected to a single combined optical force and temperature sensor, and further comprises a readout signal generator to generate and feed a readout signal modulated with a carrier frequency into the force sensor and temperature sensor. According to at least one embodiment of the invention, the catheter arrangement comprises a first readout device to read out a first modulated measuring signal portion, a second readout means to read out a second unmodulated measuring signal portion, and a processing unit to combine the first and second measuring signal portions.

Abstract: A catheter with an elongated catheter body which, with regard to a position of use, has a distal and a proximal end, wherein at the distal end, a sponge- or cushion-like elastic deformation body is arranged which has, in particular, electrically, mechanically or optically acting measuring means or a measuring connection for detecting a pressing force exerted on the deformation body.

Abstract: A fiber-optic force sensor, comprising an FBG fiber that has a force sensor region, to which bracing means to eliminate or decouple laterally effective forces and bending moments are assigned in such a way that the force sensor has a predominantly single-axis response characteristic to detect merely the magnitude of a force acting axially in the fiber direction.

Abstract: At least one embodiment of the invention relates to a catheter arrangement comprising a catheter with a proximal section and a distal section, to measure a force acting on the distal section and simultaneously receive a temperature signal prevailing in the distal section. According to at least one embodiment of the invention, the catheter arrangement comprises an evaluation unit connected to a single combined optical force and temperature sensor, and further comprises a readout signal generator to generate and feed a readout signal modulated with a carrier frequency into the force sensor and temperature sensor. According to at least one embodiment of the invention, the catheter arrangement comprises a first readout device to read out a first modulated measuring signal portion, a second readout means to read out a second unmodulated measuring signal portion, and a processing unit to combine the first and second measuring signal portions.

Abstract: An implantable medical device having at least one functional lead which extends longitudinally, wherein the functional lead is connected to an electrode pole for the purpose of discharging therapeutic signals or detecting diagnostic signals, wherein the functional lead has a current limiting device in one longitudinal section, wherein the current limiting device has a first and a second current limiter which are switched in parallel, and wherein each current limiter is configured to prevent electrical current in the electrical lead from exceeding a pre-specified maximum value.

Abstract: An electrode catheter device, including a conductor structure having at least one electrode, current measuring means for measuring a current induced in the conductor structure by an external electromagnetic field, wherein the current measuring means is designed for the local current measurement, in particular, current intensities and phases in the at least one electrode or a predetermined region of the conductor structure, and is connected to a signal transmission channel that has no interaction with the external electromagnetic field.

Abstract: A catheter, in particular an ablation catheter, comprising force sensors integrated in a distal section, which are designed and disposed to measure the magnitude and direction of an external force acting on the distal section, and which can be connected to a signal processing unit for the combined processing of measurement signals, wherein a single FBG fiber fastened in a sensor holder is provided in the catheter and comprises three force sensor regions forming the force sensors which interact for the combined processing of measurement signals.

Abstract: An implantable medical device having at least one functional lead which extends longitudinally, wherein the functional lead is connected to an electrode pole for the purpose of discharging therapeutic signals or detecting diagnostic signals, wherein the functional lead has a current limiting device in one longitudinal section, wherein the current limiting device has a first and a second current limiter which are switched in parallel, and wherein each current limiter is configured to prevent electrical current in the electrical lead from exceeding a pre-specified maximum value.