Abstract: An implantable medical device having at least one elongated electrical function conductor and an electrode pole connected to the at least one elongated function conductor. The at least one elongated function conductor transmits therapeutic signals or diagnostic signals or both. The electrode pole delivers electrical current or field or sense electrical potentials, or both, in surrounding tissue during use. The implantable medical device includes a sensing device connected to a field-generating electrode pole, a potential-sensing electrode pole, and a reference pole. The sensing device detects generated electrical potentials via the potential-sensing electrode pole in relation to the reference pole, and generates an output signal that represents a detected electrical potential.

Abstract: An irrigation catheter device, in particular an ablation catheter, including a catheter body in which a central lumen extends from a proximal region into a distal region, wherein a large number of irrigation channels extend away from the lumen, the outlet openings of which out of the catheter body are distributed across the distal end region thereof, wherein sensors are assigned to the central lumen and/or the individual irrigation channels for pressure measurement and/or to measure the flow velocity, to which evaluation means are connected, which are designed to determine the open or closed state of a portion of the irrigation channels on the basis of measured values registered by the sensors.

Abstract: An implantable medical device, which is connected or is to be connected to at least two elongated electric function conductors for the transmission of treatment signals or diagnostic signals or both, and at least one electrode pole connected to at least one of the function conductors, via which electrode pole electric current can be delivered in the case of use to surrounding tissue of the body or with which electric potentials can be sensed in the surrounding tissue or both. Includes a wave transfer module connected to the function conductor and which is embodied to transform waves arriving via a function conductor and to switch them as transformed waves onto another function conductor or the same function conductor in such a controlled manner that the waves are destructively superimposed at the electrode pole.

Abstract: An implantable medical device including at least one elongate electrical line with a first electrical component as a functional conductor, and at least one second electrical component with an electrical length. The first electrical component includes a proximal end and a distal end, wherein the distal side is in electrical contact with tissue or blood. The first electrical component is in electrical contact with the at least one second electrical component, and wherein the electrical length of the at least one second component corresponds to at least a tenth of a wavelength (?/10) of electromagnetic waves in a radiofrequency range.

Abstract: An implantable medical device having at least one first and one second longitudinally extended electrical functional conductor to transmit therapeutic signals or diagnostic signals or both. The implantable medical device includes one electrode pole connected to the functional conductor, wherein electrical current is delivered to the surrounded bodily tissue using the electrode pole. Electrical potentials may be sensed in the surrounding tissue using the electrode pole, such that the two electrical functional conductors are inductively coupled for defined resonant frequencies and such that RF energy of a first functional conductor is diverted to the second functional conductor. The RF energy is delivered to the surrounding tissue via the second functional conductor and via an electrode pole connected to the second functional conductor.

Abstract: An implantable electrode lead comprising an electric supply lead. The electric supply lead is designed to assume, after implantation of the electrode lead in a deformable supply lead section, a shape that is changed such that it induces higher inductance in the deformable supply lead section after deformation than before deformation, wherein the inductance is at least 0.1 ?H. The implantable electrode lead can also comprise an outer sleeve within which the supply lead is disposed. The electric supply lead is designed to assume, after implantation of the electrode lead in a deformable supply lead section, a shape that has changed compared to the original shape thereof. The supply lead is also designed and disposed inside the sleeve such that the supply lead, in the deformable supply lead section thereof, is deformable relative to the outer sleeve and inside the outer sleeve.

Abstract: A temporarily or permanently implantable medical device having at least one elongated electrical function conductor for transmitting therapeutic signals or diagnostic signals or both. At least one additional conductor is provided which together with the function conductor forms, at least in places, a double line which is separated from the function conductor by a dielectric and which is coupled to the function conductor via a coupling impedance. The coupling impedance is dimensioned so that the value of the line wave impedance of the function conductor for frequency ranges far above a frequency range of the therapeutic or diagnostic signals is much greater than the in the frequency range of the therapeutic or diagnostic signals, so that currents in a frequency range above the frequency range of the therapeutic or diagnostic signals are damped more intensely than the currents which form therapeutic or diagnostic signals.

Abstract: An implantable line having an elongated line body, a function conductor extending in the longitudinal direction of the line body, acting to implement a medical function of the line, whereby in addition to the function conductor, a field decoupling conductor which extends over at least a section of the length of the line body essentially parallel to the function conductor is provided, thereby reducing the coupling of the function conductor to an external field.

Abstract: An adaptation probe for insertion into implanted electrode devices of active medical implants to enable them for use in high-frequency magnetic alternating fields of MRI systems comprises an elongated, flexible probe body, and at least one electrical assembly, which has one or more electrical components connected to an interface, in the probe body, and which can be electrically connected to a supply lead of the electrode device such that the electrically properties of the electrode device can be adapted, in particular the frequency-dependent resistance, impedance, capacitance, or inductance thereof.

Abstract: One or more embodiments of the invention relate to a shielding apparatus for shielding at least one at least partially metallic implant in the body of a patient during an examination by magnetic resonance imaging, which can be attached temporarily on or in the vicinity of the body of the patient and comprises a shielding material, which is suited to attenuate radio frequency alternating electromagnetic fields.

Abstract: Temporarily or permanently implantable medical device, having at least one longitudinally extended first electrical conductor having a functional lead, which is connected to a functional electrode pole for dispensing therapeutic signals or for detecting diagnostic signals, and including at least one second electrical conductor, which is coupled to the functional lead and is guided with it in a shared insulating sheathing, such that a coupling between the functional lead and the second electrical conductor is designed to input electromagnetic radiofrequency waves guided in the functional lead at least partially into the second electrical conductor.

Abstract: Implantable element having an elongate main body, a functional conductor which extends in the longitudinal direction of the main body or forms it, and which acts to implement a medical function of the element and has an inductive section, and magnetic flux generation means for generating a magnetic flux in the surroundings of the functional conductor, in particular of its inductive section, which are magnetically coupled to the functional conductor in such a way that the magnetic flux generated upon a current flux through the functional conductor is counteracted and the current flux density through the functional conductor is thus reduced.

Abstract: A device for generating opposing fields for shielding an implant in the body of a patient during a magnetic resonance imaging, which device comprises a field generation unit with one or more field generation configured to generate field pulses and a control unit coupled with the field generation unit, and which is configured in such a manner that field pulses can be generated as opposing fields through which, within a spatial zone which contains the implant at least in sections, high-frequency electromagnetic field pulses and/or magnetic gradient field pulses used during the magnetic resonance imaging can be reduced or cancelled out in their intensity through superposition.

Abstract: Device and method for detecting electromagnetic fields occurring in imaging magnetic resonance tomography MRT/MRI tests. Relates to an implantable medical device (IMD) comprising a hermetically sealed housing, control unit(s), detection unit(s) for MRT interference fields connected/connectable to control unit(s) and to electrode(s) and/or to antenna(s) and/or coil(s), wherein the MRT interference detection unit contains at least one electro-optical converter which converts induced voltages from the electrode(s) and/or the antenna(s) and/or the coil(s) to optical signals, which are optically transmitted in a potential-free manner within the detection unit for MRT interference fields to an evaluation unit for the detection unit for MRT interference fields, and when a threshold for the optical signal and/or a predetermined periodic occurrence of the optical signals is exceeded, the evaluation unit triggers switching to an MRI-safe state or transmits a corresponding signal to the control unit(s).

Abstract: A temperature sensor for detecting heating of at least one electrode pole of a temporarily or permanently implantable electrode line or a similar implant having at least one elongated electrical conductor which is connected to at least one electrode pole. The temperature sensor has an impedance detecting unit or is connected to one and is configured for evaluating an electrode pole impedance detected by the impedance detecting unit in such a manner that the evaluation takes place with respect to a temperature-dependent feature of the electrode impedance. The impedance detecting unit is electrically connected to the at least one electrode pole or is configured and arranged to be electrically connected to the at least one electrode pole.

Abstract: A cardiac therapy device having a cardiac assist pump, a defibrillation unit, and a control unit, which is connected to the cardiac assist pump and the defibrillation unit to control them. The cardiac assist pump is implemented in case of use to pump blood from a ventricle into an associated artery and thus relieve the respective ventricle. The defibrillation unit is implemented for automatic defibrillation of a ventricular fibrillation and the control unit is implemented to activate the cardiac assist pump and the defibrillation unit in a coordinated manner in case of a ventricular fibrillation such that the cardiac assist pump first increases its performance to initially cause a pressure relief of at least one assisted ventricle in case of use and the defibrillation unit only subsequently delivers a defibrillation shock, when a ventricular pressure relief is provided.

Abstract: Allows the specificity of an automatic MRT detection to be increased in a simple manner. This is achieved using an automatically calibrating position sensor, so that the user does not have to perform additional calibration of this sensor. Incorrect sensor calibrations are thus eliminated as well.

Abstract: An implantable electromedical device, having a detection unit for capturing possible device-impairing effects, a control unit, which is connected to the detection unit, a diagnostic and/or treatment unit, and a test unit, of which the test unit is designed to test the diagnostic-treatment unit, and to output test results for storage, of which the diagnostic and/or treatment unit includes sensor units and/or treatment delivery units as components and is designed to record physiological parameters and/or bring about delivery of a treatment, and of which the control unit is designed to actuate the test unit for testing the diagnostic-treatment unit.

Abstract: Neurostimulator (20) comprising a signal generator (40) for generating stimulation pulses, connected or connectable to at least one electrode (10) implantable in the brain of a patient, comprising a signal generator control unit (36) connected to the signal generator (40) and designed to control the delivery of stimulation pulses and to make adjustments in signal generator settings as needed, comprising a device connected to the signal generator control unit (36) for determination and analysis of the heart rate of a patient (30, 32, 34), characterized in that the signal generator control unit (36) is designed to check on the health status of a patient and/or the success of a treatment using at least one heart-rate-dependent characteristic quantity determined by the device for determination and analysis of the heart rate (30, 32, 34) and to make an adjustment in the signal generator settings if necessary.

Abstract: A device and a method for working in the presence of electromagnetic fields, in particular fields occurring in cautery applications. Also relates to a partially implanted medical device (IMD), having a unit for detecting electromagnetic interference fields, at least one control unit, a timer, and a detection unit for electrical measured variables and/or a stimulation unit, at least one electrode line having an electrode at one end which is brought into contact with bodily tissue, and which either extends inside the body and/or is situated on the surface of an implant, wherein when nonphysiological signals and/or electromagnetic interference fields are detected and the unit for electromagnetic interference fields evaluates the detected signals as nonphysiological signals for a first specifiable time period, and/or for a second specified time period the stimulation unit is placed in an asynchronous operating state in which the wearer of the IMD is asynchronously stimulated.