Abstract: The present invention relates to a process for producing a flexible polyurethane foam thermally recyclable by fusion, and to hybrid materials made of flexible polyurethane foam and compact thermoplastic elastomer and/or expanded thermoplastic polyurethane.

Abstract: A vascular support implant is formed from a magnesium alloy. The alloy includes Zn and/or one of the following elements: Ca, Sr. The Zn content is ?1.5 wt. % and a Ca content is ?0.25 wt. %.

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 producing a biological cover includes providing a first material having a main body in a cylindrical configuration with at least one fold in the first material. A second material is arranged within the at least one fold. The first material is a biological material. The first material with the arranged second material is pressed onto a counter member arranged outside the cylindrical configuration. A crosslinking agent is applied to the first material. A biological cover is formed of a biological material having a main body in a cylindrical configuration having a first cylinder diameter. There is at least one fold in the main body. The at least one fold is configured to at least partially unfold upon radial dilation of the biological material to permit enlargement of the cylindrical configuration to a second cylinder diameter.

Abstract: A child monitoring device has a plurality of sensors to sense data relating to a child to be monitored, a wireless communications unit and a processing unit. The processing unit is able to receive signals from the sensors, receive data relating to the child input via said wireless communications unit, cause the wireless communications unit to wirelessly communicate with an external database to receive data, process the signals received from said sensors to determine child development conditions, compare determined child development conditions with the data received from external database, and cause said wireless communications unit to transmit messages containing child development information for reception by an external device.

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: A magnesium alloy includes <3% by weight of Zn, ?0.6% by weight of Ca, with the rest being formed by magnesium containing impurities, which favor electrochemical potential differences and/or promote the formation of intermetallic phases, in a total amount of no more than 0.005% by weight of Fe, Si, Mn, Co, Ni, Cu, Al, Zr and P, wherein the alloy contains elements selected from the group of rare earths with the atomic number 21, 39, 57 to 71 and 89 to 103 in a total amount of no more than 0.002% by weight.

Abstract: The present disclosure relates to a bearing arrangement having a bearing bush and a rubber/solid bearing which is inserted into the bearing bush with an outer sleeve and an elastomer material which is arranged therein. The bearing bush has inwardly pointing projections, and depressions are configured in the outer sleeve, into which depressions the projections engage.

Abstract: A method for producing a magnesium alloy having improved mechanical and electrochemical properties. The method includes generating a high-purity magnesium by vacuum distillation. A billet of the alloy is generated by synthesis of the high-purity magnesium with 2.0 to 10.0% by weight Al, the remainder being magnesium containing impurities, which promote electrochemical potential differences and/or the formation of precipitations and/or intermetallic phases, in a total amount of no more than 0.0063% by weight of Fe, Si, Mn, Co, Ni, Cu, Zr, Y, Sc or rare earths having the ordinal numbers 21, 57 to 71 and 89 to 103, Be, Cd, In, Sn and/or Pb as well as P, wherein the matrix of the alloy includes intermetallic phases formed of Mg and Al. The alloy is homogenized by annealing at a temperature between 150° C. and 450° C. The homogenized alloy is formed in the temperature range between 200° C. and 400° C.

Abstract: A preferred embodiment is an uncoated, biodegradable stent. The stent has a filigree structure of magnesium alloy struts. The struts of the supporting structure are arranged to permit a compressed form for introduction into the body and to permit an expanded form at the site of the application within a vessel. The magnesium alloy struts are formed of a corrodible magnesium alloy. The magnesium alloy is formed from high-purity vacuum distilled magnesium containing impurities, which promote electrochemical potential differences and/or the formation of precipitations and/or intermetallic phases. The impurities are such that the struts of the stent have a tensile strength of >275 MPa a yield point of >200 MPa, a yield ratio of <0.8, a difference between tensile strength and yield point of >50 MPa.

Abstract: A preferred embodiment is an uncoated, biodegradable corrosion resistant bone implant. The implant includes a body being uncoated and lacking any protective polymer, metallic or ceramic coating, the body being shaped to fix to a bone and/or bone fragment. The body is formed of a magnesium alloy. The magnesium alloy includes from high-purity vacuum distilled magnesium containing impurities, which promote electrochemical potential differences and/or the formation of precipitations and/or intermetallic phases. The impurities are such that the body has a strength of >275 MPa, and a ratio yield point of <0.8, wherein the difference between strength and yield point is >50 MPa.

Abstract: A magnesium alloy, implants and method for the production thereof. The magnesium alloy includes 1.5 to 7.0% by weight Zn, 0.5 to 3.5% by weight Al, the remainder being magnesium which contains impurities, which promote electrochemical potential differences and/or the formation of precipitations and/or intermetallic phases, in a total amount of no more than 0.0063% by weight of Fe, Si, Mn, Co, Ni, Cu, Zr, Y, Sc or rare earths having the ordinal numbers 21, 57 to 71 and 89 to 103, Be, Cd, In, Sn and/or Pb as well as P.

Abstract: The present disclosure relates to a bearing arrangement having a bearing bush and a rubber/solid bearing which is inserted into the bearing bush with an outer sleeve and an elastomer material which is arranged therein. The bearing bush has inwardly pointing projections, and depressions are configured in the outer sleeve, into which depressions the projections engage.

Abstract: The invention proposes a key tappet for a key module of a key for a keyboard. The key tappet comprises a coupling section for coupling a key button and a guiding section for guiding the key tappet in a receiving section of the key module upon actuation of the key tappet. The guiding section has at least one sliding section to slide in the receiving section of the key module during the actuation of the key tappet. Demolding fins caused by demolding of the key tappet are arranged outside the at least one sliding section.

Abstract: The present invention relates to a composition comprising (i) at least 10 wt % of an inorganic and/or organic, water soluble salt, based on the total weight of the composition; (ii) water; and (iii) an ether monocarboxylic acid. Further aspects of the invention relate to the use of an ether monocarboxylic acid of the invention, an amide, a salt or an ester thereof as a lubricant preferably in salt based drilling systems.

Abstract: A magnesium alloy includes <3% by weight of Zn, ?0.6% by weight of Ca, with the rest being formed by magnesium containing impurities, which favor electrochemical potential differences and/or promote the formation of intermetallic phases, in a total amount of no more than 0.005% by weight of Fe, Si, Mn, Co, Ni, Cu, Al, Zr and P, wherein the alloy contains elements selected from the group of rare earths with the atomic number 21, 39, 57 to 71 and 89 to 103 in a total amount of no more than 0.002% by weight.

Abstract: A biodegradable implant is formed of a magnesium alloy having 3 to 7% by weight Zn, 0.001 to 0.5% by weight Ca, the remainder being magnesium containing total impurities, which promote electrochemical potential differences and/or the formation of intermetallic phases, in a total amount of no more than 0.0048% by weight, wherein the total impurity contains elements selected from a first group of Fe, Si, Mn, Co, Ni, Cu, Al, Zr and P and elements selected from a second group of rare earths having the ordinal numbers 21, 39, 57 to 71 and 89 to 103.