Abstract: The invention is a device and a method for detecting a medically active implant capable of electrical stimulation implanted within a person. Moreover, the invention also relates to the use of the device for determining the operational status of the medically active implant. The device is characterized by components: a) at least two electrodes that are in, or can be brought into, contact with the person, b) an electrical voltage measuring unit which is electrically connected to the at least two electrodes and which is capable of generating electrical voltage timing signals and c) an evaluation unit which is connected to the electrical voltage measuring unit.

Abstract: An implantable electrode arrangement provides spatially-selective detection of neuronal electrical signals, which propagate along at least one nerve fiber contained in a nerve fascicle, and for selective electrical stimulation of the at least one nerve fiber, comprising a biocompatible carrier substrate, which has at least one carrier substrate region that can be placed around the nerve fascicle in a cuff and has a straight cylinder-shaped carrier substrate surface which faces the nerve fascicle in the implanted state. The carrier substrate surface has an axial extension and an extension oriented circumferentially in a direction and a first electrode arrangement attached thereto.

Abstract: An implantable electrode arrangement provides spatially-selective detection of neuronal electrical signals, which propagate along at least one nerve fiber contained in a nerve fascicle, and for selective electrical stimulation of the at least one nerve fiber, comprising a biocompatible carrier substrate, which has at least one carrier substrate region that can be placed around the nerve fascicle in a cuff and has a straight cylinder-shaped carrier substrate surface which faces the nerve fascicle in the implanted state. The carrier substrate surface has an axial extension and an extension oriented circumferentially in a direction and a first electrode arrangement attached thereto.

Abstract: The invention relates to an implantable electric multi-pole connection between an electric implant and an electric feed and discharge structure. The invention is characterised in that a flexible, film-like, electrically non-conductive, strip-shaped surface element is arranged between the implant and the feed and discharge structure. The surface element comprises at least one first surface, on which a number of electrodes n greater than of equal to two is arranged, which are respectively connected to the electric implant by means of electric connection conductors extending at least in parts inside the surface element. The electric feed and discharge structure comprises at least n lines which are electrically insulated from each other and which are electrically connected to one of the n electrodes.

Abstract: The invention is a medical implant which is a wrap-around cuff comprising a flexible, biocompatible, film carrier substrate, that has a carrier substrate region which is wrapped around a wrap axis to form a tube. The invention has a protective structure directly or indirectly attached to the carrier substrate, which can be transformed from a first, open state into a second closed state that encloses the carrier substrate region that is wrapped to form a tube at least axially around a wrapping axis extending in the peripheral direction of the tube.

Abstract: A device for the extravasal or extraneuronal fastening of a medical implant has a biocompatible surface substrate including a first substrate portion which is a compression sleeve and a free end portion. By winding the first substrate portion about a spatial axis, the axis is loosely radially covered in at least one layer by the wound first substrate portion. A second substrate portion, which is attached integrally to the first substrate portion which is not wound about the spatial axis, has a connection extending away from the medical implant.

Abstract: The invention is an implantable electrical connection between an electrical implant which has at least one electrical conductor and at least one electrical feed line. The invention further relates to a method for producing an implantable electrical connection between an electrical implant. The invention comprises at least one electrical cable having a cable end, to which an electrically conductive flat piece is unsupportedly fined, and that the at least one implant-side electrical conductor is joined to the flat piece.

Abstract: The invention has a contact assembly including a spatial longitudinal extension which is orientated parallel to the winding axis. The contact assembly is fixedly joined to the carrier substrate along a joining region which has a joining region length orientated in parallel to the winding axis. The orthogonal projection relative to the winding axis overlaps with a first region of the carrier substrate which is wound into a tube.

Abstract: An implantable electrical contact arrangement is described which has at least one electrode body arrangement composed otherwise entirely of biocompatible, electrically insulating material, with at least one freely accessible electrode surface enclosed directly or indirectly by the biocompatible electrically insulating material. The invention is characterized in that the electrode body arrangement has a stack-shaped layer composite which provides at least one gold layer connected to an iridium layer via a diffusion barrier layer. The stack-shaped layer composite by being completely encapsulated by an SiC layer, with the exception of at least one surface region of the iridium layer facing to be directed away from the layer composite. The SiC layer has an SiC layer surface which is facing to be directed away from the stack-shaped layer composite and which is adjoined directly or indirectly by the biocompatible, electrically insulating material.

Abstract: An implantable assembly is described for acquisition of neuronal electrical signals at a selected location which propagate along at least one nerve fiber contained in a nerve fiber bundle, as well as for selective electrical stimulation of the at least one nerve fiber, having: an implantable electrode assembly (E) which is disposed on a biocompatible support substrate which can be positioned around the nerve fiber bundle in a cuff.

Abstract: The invention is a medical implant which is a wrap-around cuff, comprising a flexible, biocompatible, film-like carrier substrate, that has a carrier substrate region which upon wrapping around a wrap axis forms a tube. The invention has a protective structure is directly or indirectly attached to the carrier substrate, which can be transformed from a first, open state into a second, closed state enclosing the carrier substrate region wrapped to form a tube at least axially around a wrap axis completely in the peripheral direction of the tube.

Abstract: A biocompatible recording system includes a number of input channels for acquiring electronic information from the neural system of a living being. The recording system includes a preamplifier and further amplifier stages. An input of a second amplifier stage is coupled to an output of the preamplifier. A low-pass filter having a capacitance multiplier is connected to the second amplifier stage. The preamplifier of the recording system is designed using P-MOS technology.

Abstract: A device is described for the transcutaneous location of an intracorporeally, subcutaneously located medical implant, which has an implant surface on which at least one electrical coil is arranged. The coil has at least one coil winding enclosing a region of the implant surface, together with an extracorporeally operable unit, to which at least one electrical coil is fitted, which is adapted in shape and size to the electrical coil arranged on the implant, and which is connected to an electrical control unit and to a signalling means, which generates a perceptible signal, at least in the case of maximum inductive coupling between the two electrical coils.

Abstract: A device for the extravasal or extraneuronal fastening of a medical implant has a biocompatible surface substrate having a first substrate portion which is a compression sleeve and has a free end portion which by winding the first substrate portion about a spatial axis which is loosely radially covered in at least one layer by the wound first substrate portion. A second substrate portion which is attached integrally to the first substrate portion which is not wound about the spatial axis and is with a connection extending away from the medical implant.

Abstract: Described is a medical implant with a structure which is made of at least one biocompatible material, can be converted from a first spatially compact state into a second spatially deployed and flexible deformable state, has an modulus of elasticity that corresponds to the wall of a blood vessel in an order of magnitude between 105 N m?2 and 107 N m?2, has at least one region with an acoustic impedance of more than 1.63·106 kg/m2s, and in the second state has an effective operating surface that is flexibly deformable and at least partially reflects ultrasonic waves.

Abstract: A device for the sensory detection of at least one human vital parameter comprises a support, which is shaped and dimensioned to be at least partly removably placed in the human outer ear canal, and to which at least one sensor for the detection of a vital parameter is attached. The support is a planar substrate, which is a hollow cylinder defining a continuously open hollow channel. A hollow cylindrical outer wall region at least partly contacts a surface of the inner wall of the ear canal when the support is at least partly placed in the human outer ear canal.

Abstract: The invention has a contact assembly including a spatial longitudinal extension which is orientated parallel to the winding axis. The contact assembly is fixedly joined to the carrier substrate along a joining region which has a joining region length orientated in parallel to the winding axis. The orthogonal projection relative to the winding axis overlaps with a first region of the carrier substrate which is wound into a tube.

Abstract: The invention is an implantable electrical connecting structure between an electrical implant which has at least one electrical conductor and an electrical feed and drain line structure. The invention further relates to a method for producing an implantable electrical connection between an electrical implant. The invention is characterized in that the electrical feed and drain line structure comprises at least one electrical cable having a cable end, to which an electrically conductive flat piece is unsupportedly fined, and that the at least one implant-side electrical conductor is joined to the flat piece.

Abstract: An implantable assembly is described for acquisition of neuronal electrical signals at a selected location which propagate along at least one nerve fiber contained in a nerve fiber bundle, as well as for selective electrical stimulation of the at least one nerve fiber, having: an implantable electrode assembly (E) which is disposed on a biocompatible support substrate which can be positioned around the nerve fiber bundle in a cuff, which has a cylindrical support substrate surface (i) which in the implanted condition is orientated facing the nerve fiber bundle, on which a first electrode assembly for locationally selective acquisition of the neuronal electrical signals and selective electrical stimulation of the at least one nerve fiber, and on which a second electrode assembly is disposed to record an ECG signal, and an analysis and control unit (A/S) which can be electrically conductively connected or is connected to the implantable electrode assembly (E), in which the locationally selective acquired neuron

Abstract: The invention is an implantable electrode configuration having a carrier substrate of a biocompatible polymer in at least some areas and a freely accessible electrode surface applied to the carrier substrate or integrated into the carrier substrate on the carrier substrate surface in at least some areas is described and a method for producing the implantable electrode configuration. The electrode has a metallic base plate having a planar top side and bottom side, including at least one structural element protruding orthogonally from the top side. The planar surface of the metallic base plate is oriented parallel to the carrier substrate surface and the metallic base plate is enclosed by the biocompatible polymer, except for a first surface area of the at least one structural element which faces the carrier substrate surface and is the freely accessible electrode surface.