Abstract: Embodiments include a heart stimulator that may be implanted in a heart ventricle and that includes a housing. The housing includes fixation elements that passively fix the heart stimulator in a heart ventricle and electrode poles that one or more of deliver stimulation pulses and sense electrical potentials. The housing includes an energy supply unit, a control unit connected to the energy supply unit, and a stimulation pulse generator connected to the control unit and the energy supply unit. A plurality of electrode poles are distributed on a surface of the housing and a switching matrix is connected between the electrode poles and the stimulation pulse generator, wherein the stimulation pulse generator is electrically connected via the switching matrix to different electrode poles depending on a switched state of the switching matrix.

Abstract: A combustion chamber of a gas turbine with an outer combustion chamber wall and with tiles attached to the inner side of said wall or to a combustion chamber of the single-wall design, wherein the combustion chamber has in a center area, relative to the flow direction, a slot extending around the circumference of the combustion chamber and dividing the outer combustion chamber wall and the tiles for the supply of mixing air.

Abstract: A combustion chamber of a gas turbine, including an external combustion chamber wall as well as an internal combustion chamber wall, wherein the internal combustion chamber wall, at its frontal end area as it appears with respect to the flow direction of the combustion chamber, is supported in a longitudinally slidable manner inside a groove of a base plate that is arranged in the area of a combustion chamber head, and is fixedly attached at the external combustion chamber wall at its back end area.

Abstract: A test apparatus for an implantable electrode line and also for an electrode line and an implantable device, including a directional coupler or a circulator for coupling an electrical test symbol into at least one electrical conductor of the electrode line and for decoupling the reflected test signal from the electrical conductor of the electrode line. Such a directional coupler makes it possible to couple a test signal, e.g., a steep voltage pulse, into an electrical conductor of the electrode line and to decouple again the returning reflected voltage pulse (namely, the reflected test signal) from the electrical conductor by means of the directional coupler or circulator. A method for testing an electrical conductor of an implantable electrode line including: 1) coupling a test signal into the electrical conductor; 2) decoupling the test signal reflected in the electrical conductor from the electrical conductor; and 3) evaluating the reflected test signal.

Abstract: A medical sensor system which includes at least one sensor lead which can be implanted in the body of a human/animal, comprising two end sections, wherein the end sections are designed to be routed through two artificial openings in the surface of the body. The sensor lead includes, between the two end sections, at least one sensor for detecting a biological measured quantity. The sensor system furthermore includes at least one fastening element disposed on the surface of the body, which can be connected to the end sections guided through the body openings for affixing the implanted sensor lead, wherein the at least one fastening element comprises a device for processing sensor signals, and an energy source for supplying the sensor system with electrical energy.

Abstract: The present disclosure relates to permanently implantable electrode structures or probes of the type used, in particular, in cardiac pacemakers, ICDs, CRT-Ds and/or neurostimulators. Such electrode structures or probes include at least one control element, the physical-chemical state of which can be specifically manipulated using external excitation, such that local degradation or dissolution of a part of the implant or the entire implant takes place in this region. As a result of this partial dissolution, for example, the electrode structure or at least a portion thereof is modified such that the conditions for explantation are improved and/or parts of an implanted electrode structure that remain in the body are functionally deactivated.

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: The present invention relates to a biocorrodable implant in which corrosion may be triggered or accelerated after implantation by applying an external stimulus, the implant having a base body which is completely or partially composed of a biocorrodable metallic material, and the base body having a coating with a protective layer which is not biocorrodable. According to the invention, the implant has control elements which are configured in such a way that the protective layer, optionally in combination with the control elements, completely or partially encloses the base body so as to be impermeable to bodily medium, and the protective layer being convertible to a form which is permeable to bodily medium as the result of a change in shape of the control elements which may be regulated and/or controlled by an external stimulus.

Abstract: A unipolar multipurpose electrode line, comprising a line body, a unipolar plug, a defibrillation electrode attached to the line body, and a stimulation and sensing electrode, which are connected by way of a common feed line to the unipolar plug, wherein the defibrillation electrode is connected by means of at least one voltage-dependent component to the electrode feed line so that the connection has low impedance only in response to the application of a defibrillation voltage at the plug.

Abstract: A universal programming device for individualized patient medical devices such as implants has an RF transceiver (transmitter/receiver), a control unit, and a man-machine interface (or a connection for a man-machine interface). The RF transceiver is configured to receive and transmit data in the MICS frequency band. The control unit is connected to the transceiver and has preconfigured software interfaces, such that the programming device can be expanded by addition of control software modules. The preconfigured software interfaces define a uniform interface for triggering the transceiver, which the control software modules can access. The man-machine interface, e.g., a keyboard and/or a display (and/or the connection for such a man-machine interface) is connected to the control unit.

Abstract: An implantable device for the reversible accommodation of an electrode lead portion of at least one electrode lead, including a first outer surface and a second outer surface which extends parallel to the first outer surface at a distance therefrom, the first outer surface having at least one guide which can be used to guide and accommodate the portion of the electrode lead. According to a second aspect, the electromedical implant includes the above-described device and an electronic circuit with a power supply, a multipiece housing which hermetically seals the circuit and the power supply, and a connector housing which is fastened to the multipiece, hermetically sealed housing and has connectors for at least one electrode lead, the connectors being electrically connected to the electronic circuit. The electromedical implant is characterized in that the second outer surface of the device is integrated into and forms a part of the housing.

Abstract: An implantable cardioverter-defibrillator system that includes at least one or more stimulation units, one or more detection units, one or more control units, two or more electrode poles and one or more high voltage capacitors. The at least one control unit is connected with the at least one stimulation unit, and the at least one control unit is connected with at the least one detection unit. The two or more electrode poles are in contact with body tissue, and the one or more high voltage capacitors are charged by at least one charging unit, wherein the at least one charging unit is connected to the at least one control unit.

Abstract: A cardiac therapy device and/or a cardiac monitoring device connected to at least one electrode lead that includes at least one first sensing electrode pole and at least one second sensing electrode pole. The at least one first and second sensing electrode poles move relative to one another during operation of the device. The device further includes a dislocation detection unit connected directly or indirectly to the at least one first and second sensing electrode poles. In order to detect dislocation, the dislocation detection unit evaluates detection times at the at least one first and second sensing electrode pole relative to one another. The detection times are ascribable to a cardiac event, such that the dislocation unit generates a dislocation signal if the relative time relationship of the detection times changes beyond a predetermined value, or a specifically determined value changes compared to a previously recorded reference value.

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 medical device including at least one electrode line having an electrode pole, an electrode feed line, a counter electrode to the at least one electrode line, and an insulation sleeve. The insulation sleeve surrounds the electrode feed line and provides insulation between the electrode feed line and an electrolyte formed by bodily fluid. The electrode feed line and the electrode pole(s) include different materials, wherein the materials are different based on electrochemical series. The implantable medical device includes an insulation test unit having a DC voltage detector arranged between the electrode pole and the counter electrode, in order to detect an electrochemical voltage produced in the event of an insulation fault of the insulation sleeve due to defective contact between the electrolyte and the electrode feed line.

Abstract: An implantable electronic therapy device, having a therapy unit, a heart rate capturing unit, a contractility determination unit, and an evaluation and control unit. The therapy unit delivers an antitachycardiac therapy. The heart rate capturing unit determines a ventricular heart rate from an input signal, and the contractility determination unit generates from an input signal, a contraction signal reflecting a contractility of a ventricle. The evaluation and control unit is connected to the therapy unit, the heart rate capturing unit, and the contractility determination unit actuates the therapy unit to administer an antitachycardiac therapy when the heart rate capturing unit detects an increase in the heart rate above a specified threshold value and the contractility determination unit supplies a contraction signal which is not physiologically adequate for the increase in the heart rate.

Abstract: At least one embodiment of the invention relates to a cardiac stimulator comprising at least one stimulation unit to deliver subthreshold stimulation pulses for a cardiac contractility modulation therapy via at least two stimulation electrode poles, and at least one sensing unit to detect cardiac electrical or mechanical actions. The at least one sensing unit detects signals characteristic of cardiac action and comprises, or is connected to, an evaluation unit that evaluates signals detected by the sensing unit and supplies a corresponding evaluation result signal. The cardiac stimulator further comprises a therapy control unit to control a respective cardiac contractility modulation therapy depending on a respective evaluation result signal.

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 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: An implantable heart therapy device connected to at least one right-ventricular electrode and one left-ventricular electrode that sense and stimulate the heart. The at least one right-ventricular and left-ventricular electrodes are each connected to a tachycardia identification unit, wherein the identification unit identifies ventricular tachycardias, and simultaneously evaluates the heart rate at the right-ventricular and at the left-ventricular electrodes. The implantable heart therapy device includes a right-ventricular stimulation unit that delivers antitachycardia stimulation to the right-ventricular electrode, a left-ventricular stimulation unit that delivers antitachycardia stimulation to the left-ventricular electrode, and a therapy control unit that assigns the stimulation location for the antitachycardia stimulation to the slower ventricle side if a dissimilar tachycardia is present.