Abstract: The invention relates to a laser beam device for generating an effective laser beam and an illuminating laser beam, having a coupling element for coupling the illuminating laser beam into a beam path of the effective laser beam. The laser beam device is characterized in that the coupling element has a first sub-region and a second sub-region that is different from the first sub-region, and the effective laser beam, the illuminating laser beam and the coupling element are arranged relative to one another such that the effective laser beam is directed onto the first sub-region and the illuminating laser beam is directed onto the second sub-region, the first sub-region being transparent to the effective laser beam and the second sub-region being designed to reflect the illuminating laser beam in parallel with the effective laser beam.

Abstract: A method for producing a shaped metal product, wherein a metal preform containing an inner sacrificial element in a cavity is shaped to smaller dimensions and the sacrificial element is subsequently removed. The invention further comprises a composite material for producing a shaped metal product and its use. The metal products can be used to produce an implantable medical device.

Abstract: One aspect relates to a method for producing a multipolar lead for a medical device. A hollow-cylindrical inner lining is provided having a length. Electrically conductive channels are formed by an insulated conductor with a conductor and an insulating layer of a first thermoplastic having a first melting point. The electrically conductive channels are spirally wound around the inner lining to provide a cable. A second thermoplastic is coaxially extruded having a second melting point around the cable as outer insulation. The insulated cable is cut to provide an insulated lead cable. A plurality of contact openings is created in a distal end. The outer insulation and the insulating layer are removed to contact the conductive channel. Electrodes are provided and contacted with the conductive channels via the contact openings. The first melting point and the second melting point have a temperature difference of greater than or equal to 30°C.

Abstract: A method for producing a multipolar lead comprising the steps of: providing a hollow-cylindrical inner lining having an inner lining length which corresponds to a multiple of a lead length of the lead for the medical device; providing a plurality of electrically conductive channels, wherein each of the channels is formed by at least one insulated conductor comprising an electrical conductor and an insulating layer; spirally winding the insulated conductors around the inner lining; cutting the uninsulated cable to a length which corresponds to the lead length; sheathing the uninsulated lead cable with a shrink tube; heating the shrink tube to provide an insulated lead cable; providing a plurality of electrodes; creating a plurality of contact openings near a distal end of the lead cable; and, electrically contacting the plurality of electrodes, wherein each electrode is selectively connected to at least one electrically conductive channel via contact openings.

Abstract: A laser beam apparatus for irradiating a target object and a method for operating such a laser beam apparatus. According to an example, at least two laser beams are made coherent.

Abstract: One aspect relates to a process for preparing a ring electrode including the steps of a) providing a monolithic metal precursor, wherein the monolithic metal precursor includes an outer tube forming a first cavity of the precursor, and wherein the outer tube has a wall including in one section an inner tube forming a second cavity of the precursor; b) preparing a composite precursor by inserting a first sacrificial core element into the first cavity of the precursor provided in a) and a second sacrificial core element into the second cavity of the precursor provided in a); c) forming the composite precursor obtained in b) to obtain a formed composite having a smaller outer diameter than the composite precursor obtained in b); d) separating a composite disk from the formed composite obtained in c); e) removing the first and the second sacrificial core element from the composite disk obtained in d).

Abstract: One aspect relates to an electrode-electrical conductor system for a medical device. The system includes one or more electrically insulated wire(s) or cable(s) wherein. The electrical insulation includes electrical conductor one or more partial opening(s), which is/are arranged on one side of the wire(s) or cable(s), and one or more electrode(s), which is/are mechanically and electrically connected to the wire(s) or cable(s) via the one or more partial opening(s) arranged on one side of the wire(s) or cable(s). The mechanical and electrical connections are made by welding, pressing, swaging, adhesives, brazing, soldering and/or dimples. One aspect also relates to a method for preparing such an electrode-electrical conductor system.

Abstract: One aspect relates to a medical electrode, having a conductor, an insulation, which surrounds the conductor at least in some sections over its entire circumference, protrusions in the insulation, electrode segments arranged between the protrusions, and insulating areas arranged between the electrode segments, wherein the electrode segments have steps, wherein the steps engage with the insulating areas.

Abstract: A computer network may include a Non-IP subnetwork with a frontend device, an IP subnetwork with a backend device, and a gateway connecting the Non-IP subnetwork with the IP subnetwork and translating communication therebetween. The communication for authentication and/or encryption between the backend device and the gateway is an IP communication based on an IP security protocol and a Non-IP communication between the gateway and the frontend device. A gateway is configured to provide a virtual IP communication endpoint dedicated to the frontend where a secure end-to-end communication may be established between the backend device and the frontend device. The Non-IP communication is applied to transmit a transcription of the request datagram to the frontend device. The frontend device is configured to generate a response datagram and to transmit a transcription of the response datagram to the gateway by applying the Non-IP communication.

Abstract: One aspect includes a manufacturing method for a multielectrode system including providing several conductors, which are electrically conductive in their longitudinal direction; bundling the conductors at a proximal portion of the multielectrode system by means of a sheath surrounding the conductors to form a conductor bundle configured to be used as a lead of the multielectrode system; and providing several ring electrodes each surrounding one of the conductors at a distal portion of the multielectrode system and electrically connecting the ring electrodes and the conductors to form a multielectrode array of the multielectrode system. The multielectrode array is configured to be in a longitudinally extended or in a transversally expanded configuration.

Abstract: One aspect relates to a method for producing a ring electrode, including providing an outer element including an outer tube; providing a first inner element, including a first inner tube having a first core made of a sacrificial material, a material of the outer element and a material of the first inner element having a similar microstructure to each other; providing a second inner element, including a second core made of a sacrificial material; forming a composite tube by arranging the first inner element and the second inner element inside the outer element, the first inner element and the second inner element being arranged eccentrically; drawing the composite tube in a longitudinal direction of the composite tube, the material of the outer element and the material of the first inner element retaining a similar microstructure; separating a composite tube disk from the composite tube; removing the sacrificial material of the first core; and removing the sacrificial material of the second core to obtain a co

Abstract: The present invention relates to a monolithic spring contact ring, preferably for use in a medical electrode, comprising an outer ring and a plurality of elastically deformable belt-shaped spring elements, each comprising two curved connectors which form a continuously running, gap-free connection between the outer ring and the respective spring element, wherein the spring elements each extend continuously from the first connector to the second connector via a first bend, a central part of the spring element and a second bend, wherein the middle part comprises a front side which points in the direction of the central axis of the outer ring.

Abstract: A computer network may include a Non-IP subnetwork for communication between the gateway and the frontend device, an IP subnetwork for communication between the gateway and at least one backend device, and a gateway connecting the Non-IP subnetwork with the IP subnetwork and translating communication therebetween. The IP communication is based on an IP security protocol, providing means for authentication and/or encryption. The gateway mediates handshaking for establishing a secure tunnel for secure end-to-end communication between the backend device and the frontend device. The secure tunnel is set to apply a session key. The gateway and the backend device exchange datagrams with handshaking parameters. The Non-IP messages are exchanged with a subset of the handshaking parameters. The backend device and the frontend device generate the session keys and to authenticate the handshaking incorporating the handshaking parameters and subset of handshaking parameters, respectively.

Abstract: The invention relates to a microstructured hollow-core fiber comprising a microstructured hollow core extending along the hollow-core fiber. Said hollow core: has microstructures having at least one first refractive index n; is surrounded by an inner fiber cladding having a refractive index n_inner; and has an outer protective cladding which has a protective cladding refractive index n_outer and which sheathes the inner fiber cladding. The hollow-core fiber is characterized in that: the hollow-core fiber has at least one further cladding which is arranged between the inner fiber cladding and the outer protective cladding so as to sheathe the inner fiber cladding and which has a further refractive index n_w; and the further refractive index n_w is greater than the further refractive index.

Abstract: The invention relates to a method for determining the material moisture of a material, comprising the following steps: referencing a material using a referencing device by determining the material moisture of a material sample of the material in accordance with the mass of the material sample; determining the dielectric material constant (DProbe) of the material sample in accordance with the material moisture; calibrating a first microwave sensor using the dielectric material constant of the material sample; measuring the dielectric material constant of the material online by means of the first microwave sensor; determining the material moisture of the material using the dielectric material constant previously measured online.

Abstract: One aspect is a bi- or multipolar lead for a medical device including: a) a cable comprising an outer insulation having at least two first openings near a distal end of the cable; an inner lumen, wherein the inner lumen is arranged coaxially to the outer insulation and extends in a longitudinal direction from a proximal end to the distal end of the cable; at least two conducting channels, wherein the at least two conducting channels are arranged between the outer insulation and the inner lumen of the cable, wherein each one of the at least two conducting channels is formed by at least one insulated conductor comprising a conductor and an insulation layer, and wherein the insulation layer of the at least one insulated conductor of each one of the at least two conducting channels comprises a second opening, which is aligned with one of the at least two first openings; b) at least two ring electrodes, wherein each one of the at least two ring electrodes surrounds the cable at a position of one of the at least tw

Abstract: The invention relates to a method for determining a position of an object, which comprises at least one non-linear component, in particular one semiconductor component, which, when irradiated with high-frequency transmitted signals from at least two different positions, produces and emits object signals having twice and/or three times the frequency of the respective transmitted signals.

Abstract: One aspect relates to a process for preparing a shaped metal product, wherein a monolithic metal precursor surrounded by a sacrificial outer element is formed to smaller dimensions, and the sacrificial material is subsequently removed. One aspect further provides a composite for preparing a shaped metal product, and a shaped metal product. Such shaped metal products can be used to manufacture an active implantable medical device or sensor.

Abstract: One aspect is a process for producing a segmented electrode, including providing a pipe made of metal having an outer side and an inner side, wherein the inner side of the pipe forms a hollow space. A support structure is arranged in the hollow space, so that the support structure mechanically stabilizes the pipe. Intermediate spaces are formed in the pipe, which define a plurality of segments in the pipe. An electrically insulating material is introduced into the intermediate spaces and thus forming electrically insulating areas, wherein a boundary layer is in each case defined between the segments and the areas. The pipe is cut so that several segmented ring-shaped electrodes are formed therefrom. The support structure is removed from the pipe.

Abstract: One embodiment relates to a system for reception and/or emission of an electrical signal from or into the human or animal body, including at least one insulated electrical conductor; a sleeve-shaped electrode that is electrically connected to the electrical conductor and includes an internal side, an external side, a channel, and an opening in a wall of the channel. The channel defines a longitudinal axis along which the conductor is arranged in the channel. A material of the electrode surrounds the entire circumference of the opening; the electrical conductor is guided through the opening between the internal side and the external side of the opening transverse to the longitudinal axis of the channel; and the electrical conductor is connected to the electrode within the opening directly in firmly-bonded and/or force-locking manner such that a durable mechanical and electrical connection between the electrical conductor and the electrode is established.