Abstract: A venous valve prosthesis for transporting a flow of body fluid in a vessel in a predetermined direction includes includes a hollow-cylindrical support structure. A skirt is connected to the support structure and forms a closed, circumferential jacket of the support structure. The prosthesis also includes a valve leaflet arrangement with a first valve leaflet and a second valve leaflet, each being connected to the skirt. A downstream edge of the first valve leaflet and a downstream edge of the second valve leaflet are opposite to each other and configured in such a manner that in a first state of the valve leaflet arrangement they form an opening for blood to flow through in the predetermined direction and in a second state of the valve leaflet arrangement the opening is closed and to prevent a backflow of blood in a direction opposite to the predetermined direction. A ratio of the inner diameter of the support structure to its length in the predetermined direction is at most 1.

Abstract: A method for connecting an X-ray marker to a medical implant includes providing a medical implant having an opening for receiving the X-ray marker. An X-ray marker is provided. The X-ray marker is glued into the opening with a liquid adhesive that includes at least one first component including a fibrinogen.

Abstract: A sealing material suitable for a medical implant. The material includes a composite structure of a first component, a second component and a third component. The first component includes at least one biologically inert polymer. The second component includes a hydrogel, which swells up after contact with an aqueous solution by a first volume increase within a first time period. The third component includes a hygroscopic matrix, which swells up after contact with an aqueous solution by a second volume increase within a second time period. The second time period is shorter than the first time period.

Abstract: An intraluminal endoprosthesis has a biodegradable metallic supporting structure and a biodegradable sleeve surrounding the supporting structure. The sleeve includes fibres applied to the outer side of the supporting structure. The sleeve can be formed from fibres that each have a polymer core and a hydrogel casing. The sleeve can the sleeve be formed from a fibre mixture of polymer fibres and hydrogel fibres.

Abstract: An intraluminal endoprosthesis such as a stent has a metallic supporting structure and a sleeve surrounding the supporting structure. The sleeve can include fibres which are applied to an outer side of the supporting structure. The fibres each have a polymer core and a hydrogel casing connected thereto. The sleeve can also be formed from a fibre mixture of polymer and hydrogel fibres.

Abstract: A material includes nonwoven fibers and a surface modification that crosslinks the nonwoven fibers together. The surface modification can include chemical reactive groups. The reactive groups can be selected from diisocyanates, alcohols, epoxides, imides, amides, imines, amines, diacrylates, disiloxanes and disilazanes. A method of forming the material electrospins fiber material in the form of fibers into a nonwoven material. A surface modification is introduced to the fibers either by modifying the fiber material before the electrospinning or by modifying the fiber surface after the electrospinning. The fibers are crosslinked to form the crosslinked nonwoven material.

Abstract: A method for producing an intraluminal endoprosthesis. The method forms a sheath on a support structure of the endoprosthesis from polymer fibres. A polymer solution is dispensed from a nozzle by f electrospinning. The polymer solution includes at least one biodegradable polymer polymer and at least one additive. The additive is selected from the group consisting of: 1,3-dioxan-2-one, 1,4-dioxan-2-one, triethyl citrate, glycerol triacetate, n-butyryl tri-n-hexyl citrate, polyethylene glycol, L-? phosphatidylcholine.

Abstract: An electrical connection encapsulation device for electrically connecting a flexible flat cable to discrete electrical wires. The device includes a flexible flat cable with a dielectric, planar, flexible carrier and at least one electrically conductive line attached to at least one surface, first and second flat, soft and pliable material layers attached to the first surface and the second surface of the flexible carrier, respectively, by adhesive bonds, at least one electrical connector member that is electrically connectable to a discrete electrical wire at one end and to the at least one electrically conductive line with the other end. The first and second layers are arranged to at least partially overlap the at least one electrically conductive line in the connecting end region in the perpendicular direction, and to extend beyond the end of the at least one electrical connector member that is facing away from the connecting end region.

Abstract: A method for producing a foil-based pressure sensor includes the steps of: providing a bottom element with a bottom foil and at least one bottom electrode disposed on the bottom foil; providing a plurality of top elements, each top element having a top foil with at least one top electrode disposed under the top foil, a combined area of the top elements being smaller than an area of the bottom element; and individually positioning and at least indirectly connecting the top elements to the bottom element so that at least one top electrode of each top element is disposed over at least one bottom electrode of the bottom element to form a sensor cell that is adapted to be activated when a pressure on the sensor cell exceeds a turn-on point. The turn-on point is adjusted by selecting a position of a top element from a plurality of positions.

Abstract: A device for producing a 3D-printed active substance-releasing system with active substance depots, such that a radiation source in operation causes a polymerisation of a layer of the base material on the construction platform and that an inkjet printhead incorporates an active substance mixture, which has at least one active substance, into the base material in a locationally selective manner. A trough is provided, in which a base material and a construction platform are arranged, and polymerising selected regions of a layer of the base material on the construction platform and introducing, by means of an inkjet printing method, an active substance mixture, which has at least one active substance, into the base material and/or polymerised base material in a locationally selective manner in order to thereby create active ingredient depots in the active ingredient-releasing system.

Abstract: A medical implant that includes a scaffold having at least one receptacle for an X-ray marker. The scaffold includes a first metal. At least one (preferably monolithic) X-ray marker is disposed in the receptacle. The X-ray marker includes a second metal. An electrically insulating coating is upon the X-ray marker to prevent corrosion-promoting contact between the X-ray marker and the scaffold.

Abstract: A marker element for an implant is made from a planar or hollow body-shaped semi-finished product. The semi-finished product is subjected to a plasma-electrolytic treatment on one side, so that a marker element with a surface that is porous on one side is produced.

Abstract: The invention relates to an ocular implant for treating glaucoma. The problem addressed by the invention is to make it possible to drain aqueous humor from the anterior chamber of the eye into the subconjunctival or suprachoroidal space in order to lower the intraocular pressure in glaucoma cases. The device is to do away with the drawbacks of known valve mechanisms and should be economical to produce. In order to solve said problem, the glaucoma drainage implant is composed of an elongate, hollow main member in which a flow-limiting membrane is arranged in the inflow region.

Abstract: A device for coating a stent, including a holder for the stent, a spraying unit comprising a spray mandrel and an air nozzle. The spray mandrel, the air nozzle and the holder are configured and disposed relative to each other such that the spray mandrel projects from one side into the stent during coating and the air nozzle projects into the stent from the opposing side. A method for coating a stent employs the device. Stents that can be obtained according to the method.

Abstract: A medical implant that includes a scaffold having at least one receptacle for an X-ray marker. The scaffold includes a first metal. At least one (preferably monolithic) X-ray marker is disposed in the receptacle. The X-ray marker includes a second metal. An electrically insulating coating is upon the X-ray marker to prevent corrosion-promoting contact between the X-ray marker and the scaffold.

Abstract: Absorbable stents and absorbable stent coatings have been developed with improved properties. These devices preferably comprise biocompatible copolymers or homopolymers of 4-hydroxybutyrate, and optionally poly-L-lactic acid and other absorbable polymers and additives. Compositions of these materials can be used to make absorbable stents that provide advantageous radial strengths, resistance to recoil and creep, can be plastically expanded on a balloon catheter, and can be deployed rapidly in vivo. Stent coatings derived from these materials provide biocompatible, uniform coatings that are ductile, and can be expanded without the coating cracking and/or delaminating and can be used as a coating matrix for drug incorporation.

Abstract: The invention relates to an ocular implant for treating glaucoma. The problem addressed by the invention is to make it possible to drain aqueous humor from the anterior chamber of the eye into the subconjunctival or suprachoroidal space in order to lower the intraocular pressure in glaucoma cases. The device is to do away with the drawbacks of known valve mechanisms and should be economical to produce. In order to solve said problem, the glaucoma drainage implant is composed of an elongate, hollow main member in which a flow-limiting membrane is arranged in the inflow region.

Abstract: Drug delivery systems and biocompatible coatings for use with implantable stimulation devices such as cochlear implants have been developed. These drug delivery systems and coatings comprise polyhydroxyalkanoate (PHA) polymers and copolymers. The drug delivery systems may be used to deliver pharmacologically active substances, for example, directly from a cochlear implant to the inner ear. The coatings can impart lubricity to cochlear devices for ease of insertion of the electrodes. In the preferred embodiment, the drug delivery system comprises a polyhydroxyalkanoate polymer, and in the most preferred embodiment, the PHA polymer comprises poly(4-hydroxybutyrate) (P(4HB)) or copolymer thereof. A particularly preferred embodiment is where the silicone sheath of the cochlear implant electrodes has been surface modified, and coated with P(4HB), and the P(4HB) either contains a pharmacologically active substance or has been coated with such a substance.

Abstract: The invention relates to a device for coating a stent, comprising a holder for the stent, a spraying unit comprising a spray mandrel and an air nozzle. The spray mandrel, the air nozzle and the holder are designed and disposed relative to each other such that the spray mandrel projects from one side into the stent during coating and the air nozzle projects into the stent from the opposing side. The invention further provides a method for coating a stent which employs the device according to the invention. Finally, the invention relates to stents that can be obtained according to the method.

Abstract: An adapter circuit for connecting a switching circuit of an airport visual aid is equipped with an LED as a light source and a secondary-side coil (secondary side) of a supply transformer, wherein at least one switch element is provided for selectively making or breaking the connection and wherein at least one trigger circuit is provided for actuating the switch element when a specified voltage level is exceeded, wherein the switch element is provided between the trigger circuit and the secondary side of the supply transformer and/or the trigger circuit is connected to the switch contact and to the switching circuit of the LED airport visual aid.