Abstract: An electrode for intravascular medical applications for neuromodulation and/or nerve stimulation and/or neurological signal detection, wherein the electrode can be compressed and expanded in order to insert same into a hollow organ of a body and is or can be coupled to a current supply. A compressible and expandable lattice structure is provided, which has cells formed from lattice webs and is or can be coupled to the current supply, the lattice structure being obtained at least partially by physical vapor deposition.

Abstract: A method for producing a medical device with a lattice structure, connected at least in some areas to a cover. The lattice structure is arranged on a substrate via the side to be connected to the cover, the lattice structure has the side arranged on the substrate pressed at least partially into the substrate, the lattice structure is coated with a first layer of a sacrificial material. At least some of the interstices of the lattice structure are covered by the first layer, and the first layer with the lattice structure on the side to be connected to the cover forms a substantially closed surface, the substrate is removed, making the side of the lattice structure accessible for connection to the cover. A second layer for forming the cover is applied to the side of the lattice structure previously pressed into the substrate, and the sacrificial material is removed.

Abstract: The invention relates to a method for neuromodulation, in which an electrode comprising a compressible and expandable grid structure with cells formed from grid webs is arranged within a blood vessel, wherein the grid structure is expanded and, at least in expanded state, is exposed to electrical energy such that surrounding postganglionic parasympathetic nerve fibres of the sphenopalatine ganglion are electrically stimulated by the electrode.

Abstract: A medical device for removing concretions from hollow organs of the body, with a functional element, which has a rotationally symmetrical lattice structure, and a device for holding a concretion in the structure, and a catheter for introducing the element into the body and removing it. The element can be converted from a compressed state in the catheter to an expanded state outside the catheter, in the expanded state the element is arranged distally from the catheter. The structure has a cutting area with webs, adapted so they at least partially pass radially through the concretion when the element is converted from the compressed to the expanded state. A holding element is connected on one hand to the structure and on the other hand to a guide wire arranged in the catheter, so that the holding element is deflected radially inwards in the expanded state of the functional element.

Abstract: A method for the production of a structured metal layer (7) made from an alloy composed of titanium and nickel includes the following process steps: a sacrificial layer composite (3) is provided, which comprises a second sacrificial layer (2) applied onto a first sacrificial layer (1), the first sacrificial layer (1) is subjected for the purpose of structuring to a wet-chemical etching process in such a manner that undercutting of the sacrificial layer (1) occurs, a metal layer (7) of the alloy is applied indirectly or directly to the structured sacrificial layer composite (3). The first sacrificial layer (1) is at a greater distance from the metal layer (7). The second sacrificial layer (2) facing the metal layer (7) to be deposited is subjected to a dry etching process prior to wet-chemical etching of the first sacrificial layer (1) so that the second sacrificial layer (2) is provided with a structure that corresponds to the desired structure of the metal layer (7).

Abstract: A medicinal device with a tubular wall made of webs which delimit the cells, and a flexible membrane which forms at least one flap which has a first end connected to at least one first web of a cell, and a free second end which is disposed opposite the first end in the longitudinal direction of the flap. The flap, in the closed position, extends along the tubular wall and at least partially closes the cells, and can be moved to an open position in which the flap is radially deviated in relation to the wall in order to open the cells in a valve-like manner.

Abstract: A damping and shock absorbing method and apparatus for permanent or non-permanent use in the human body and having a shape memory alloy material cycled through stress-strain hysteresis to dissipate energy for effective damping. A sufficiently high pre-stress is applied to the damping element(s) to ensure that the damping working range is within the superelastic cycle. The damping apparatus can work in tension or compression or both in tension and compression. Moreover, damping elements from a shape memory alloy can also work in flexion and extension as well in rotation. The damping apparatus can have a stroke and force suitable for use in the human body by the design, the structure and the chemical composition of the shape memory alloy and their pre-set properties, such as plateau stresses of the superelastic cycle depend on the ambient temperature, the force of damping elements can also be changed in-situ by changing the temperature of the damping elements.

Abstract: A method is provided for applying a cover layer (9) to a net structure (4) to be used for medical purposes, in particular a thrombosis filter. The net structure (4) is applied to a planar substrate (1) that covers openings (5) of the net structure on one side, wherein the openings (5) across the uncovered side are filled with a sacrificial material (7), in particular copper. The net structure (4) is lifted from the substrate (1). A cover layer (9) is deposited on the surface previously covered by the substrate, and the sacrificial material (7) is removed.

Abstract: A medical device for insertion into a hollow organ, the device having a hollow body that has a braid of wire elements having a series of terminal meshes which delimit an axial braid end, wherein the terminal meshes have outer wire elements forming a terminating edge of the braid and transition into inner wire elements arranged within the braid. The device is characterised in that a first section of the terminating edge and a second section of the terminating edge each have several outer wire elements which form together a peripheral edge of the terminating edge, which is adjusted such that the axial braid end of the hollow body can be refracted into a supply system. A method for producing such a device is also disclosed.

Abstract: A medical implant having a wall, which can be transferred from a compressed to an expanded state and includes a mesh structure formed of first struts, wherein the mesh structure has closed cells, each having a retaining element, which is adapted to anchor the expanded mesh structure in a vessel. The retaining element has at least two second struts which are connected to one another and form a tip which projects into the cell, and are connected to the first struts of the cell.

Abstract: A method for producing a medical functional element having a self-supporting lattice structure which has interconnected webs. The method applies a first layer to the substrate layer, the first layer is structured by an etching process, the structured first layer is under-cut of a wet chemical etching process acting on the substrate layer, the substrate layer is removed in order to form the self-supporting lattice structure, a web constructional layer is applied to the first layer. The method is distinguished by the forming the first web attachment layer which has a smaller layer thickness than the web constructional layer and is intimately bonded to the web constructional layer in such a way that the web attachment layer, together with the web constructional layer, forms the webs of the self-supporting lattice structure.

Abstract: A medical device for releasing in a hollow organ having a hollow cylindrical body that can be transferred in a compressed state having a reduced diameter and in an expanded state having an enlarged diameter. The body having a stop means at the proximal and/or distal axial end thereof having at least one retaining element connected to the body by a connecting segment. The retaining element and the body are decoupled by the connecting segment such that the retaining element has a smaller curvature in the compressed state than the body. The connecting segment elastically connects the retaining element and the body, wherein the contour of the retaining element in the compressed state of the body protrudes past the outer circumference of the body such that the retaining element is displaceable radially inward relative to the body into a stop position through the inner wall of an insertion system.

Abstract: The invention relates to a medical implant, particularly a stent, having a wall (11) braided out of multiple wires (10a, 10b) said wall extending along a longitudinal axis L and curving around the longitudinal axis L at least in sections, wherein in each case at least two wire ends (12) of the wires (10a, 10b, 10c, 10d) are connected to at least two first braid ends (13a, 13b) forming a first circumferential section (16a) of the wall (11) extending around the longitudinal axis L. The invention is characterised in that in each case at least two first braid ends (13a, 13b) are connected to one or more second braid ends (14a, 14b), wherein the second braid ends (14a, 14b) form a second circumferential section (16b) of the wall (11) extending around the longitudinal axis L and following the first circumferential section (16a) in sequence in the longitudinal direction or the second braid ends (14a, 14b) are arranged in the circumferential direction U of the wall (11).

Abstract: The present invention relates to a method and apparatus for laser-based surgery and treatment, in particular of the human body. Inter alia, the present disclosure teaches an apparatus having a femtosecond laser that emits at least one pulse of laser energy having a pulse duration of less than 100 femtoseconds and a fiber optical channel for conducting said emitted pulse of laser energy to a vicinity of a human body to irradiate a localized area of said human body to effect at least one of microsurgery, neurosurgery, treatment of cardiovascular disease, treatment of the skin, tissue removal for biopsy, cutting of a mucous membrane, disintegration or vaporization of a gallstone or a kidney stone, and orthopedic surgery.

Abstract: A medical device is provided with a rotation-symmetrical lattice structure (10) having at least two wire elements (11, 12) which are wound about a common rotational axis R in a spiral shape and form first and second intersection points S?, S? with a common plane L arranged perpendicular to the rotational axis, wherein a first straight line R? runs through the first intersection point S? and a second straight line R? runs through the second intersection point S?, the straight lines being arranged parallel to the rotational axis and enclosing an acute angle (??, ??) with one of the two wire elements (11, 12). The two angles (??, ??) are different from each other. A method for producing a device of this kind is also provided.

Abstract: A stent having a tubular lattice structure includes lattice elements, webs (10), and cells (11) delimited by the lattice elements. The lattice structure is transferred into a compressed state having a relatively smaller cross-sectional diameter and into an expanded state having a relatively larger cross-sectional diameter. Flexible contact elements (12) are associated with the lattice elements. The contact elements are adapted for transferring radial forces onto a vessel wall (20) and extending on the outer circumference of the lattice structure substantially in the longitudinal direction of each associated lattice element. The contact elements (12) are wider in each case than the associated lattice elements, at least in sections.

Abstract: An implant includes a wall element (10) which, when implanted, comes into contact with a fluid, the wall element (10) being adapted to influence the flow behaviour of the fluid. The wall element (10) has a non-continuous profile.

Abstract: A stent with a tubular grid structure (10) includes struts (11) and cell openings (12) formed by the struts (11), wherein in the expanded state of the stent the grid structure has a certain outer diameter DA in mm and the struts each have a certain length L in mm, the outer diameter DA of the stent and the length L of the struts being in a certain ratio.

Abstract: A method is provided for applying a cover layer (9) to a net structure (4) to be used for medical purposes, in particular a thrombosis filter. The net structure (4) is applied to a planar substrate (1) that covers openings (5) of the net structure on one side, wherein the openings (5) across the uncovered side are filled with a sacrificial material (7), in particular copper. The net structure (4) is lifted from the substrate (1). A cover layer (9) is deposited on the surface previously covered by the substrate, and the sacrificial material (7) is removed.

Abstract: Method for applying a coating layer to a tubular intraluminal implant, in particular to a vascular support (stent), where the surface of the implant is perforated by a plurality of apertures, and where the coating layer is produced by deposition of material onto the surface of the implant. The implant is first pushed onto a cylindrical holder 4, a sacrificial material, in particular copper, is then deposited onto the surface of the implant until the deposited sacrificial material almost entirely fills the apertures, the coating layer is then deposited onto the surface of the implant provided with sacrificial material, and then the cylindrical holder 4 and the sacrificial material situated in the apertures 3 are removed.