HERAEUS MEDICAL GMBH Patent applications |
Patent application number | Title | Published |
20160082454 | PASTE APPLICATION SYSTEM FOR THE MIXING OF A PASTE MADE OF TWO COMPONENTS - Paste application system having a two-component cartridge with two axially shiftable feed plungers; one hollow cylinder with an open front face and an at least partially closed front face, an axially mobile first plunger situated therein with two pestles attached to it; another hollow cylinder that contains a manually shiftable second plunger; and a liquid container, whereby the second hollow cylinder is connected or connectable to the liquid container in liquid-permeable manner by a first conduit means and a first non-return valve, and the first hollow cylinder is connected or connectable to the second hollow cylinder in liquid-permeable manner by a second conduit means and a second non-return valve; whereby the two-component cartridge and the first hollow cylinder, arranged axially adjacent, with the axially mobile pestles are arranged in a pressure container; and the paste application system contains a hollow space and liquid is present in said space. | 03-24-2016 |
20160051304 | TENSIONED OPENING DEVICE FOR MONOMER CONTAINER - Opening device for the opening of a monomer liquid container ( | 02-25-2016 |
20160045243 | VACUUM CEMENTING SYSTEM - A vacuum cementing system has at least one cement powder cartridge and a container-opening system. The container-opening system has at least one container for at least one liquid and/or at least one powder, an opening device, and an outlet opening for applying a negative pressure. When a negative pressure is being applied, the opening device is mobile relative to at least a part of the at least one container. The vacuum cementing system has a means for connecting the cement powder cartridge to the at least one container and utilizes necessary vacuum for automatically opening the at least one container. | 02-18-2016 |
20160015854 | VACUUM MIXING SYSTEM AND METHOD FOR THE MIXING OF POLYMETHYLMETHACRYLATE BONE CEMENT - A vacuum mixing system for the mixing of polymethylmethacrylate bone cement comprising at least one cartridge ( | 01-21-2016 |
20150367301 | VACUUM MIXING SYSTEM AND METHOD FOR THE MIXING OF POLYMETHYLMETHACRYLATE BONE CEMENT - A vacuum mixing system for the mixing of polymethylmethacrylate bone cement, comprising at least one cartridge ( | 12-24-2015 |
20150327904 | DEVICE AND METHOD FOR MIXING OF A MULTI-COMPONENT CEMENT - A manually drivable device for the mixing of a pasty mixing ware from at least two fluid starting components comprising at least two cartridges having feed plungers; a mixing space to mix the starting components, mixing vanes being provided in the mixing space and mounted such that they can rotate; a lever rotatable about a pivot point operatable manually or a pin that can be shifted in longitudinal direction and operatable manually in order to operate the device; a gear connected to the lever or pin, and connected to the rotatable mixing vanes in the mixing space; and a facility for propelling the feed plungers such that the motion of the lever or pin drives the rotation of the mixing vanes in the mixing space and motion of the feed plungers into the cartridges. The invention also relates to a method for mixing fluid starting components using the device. | 11-19-2015 |
20150283291 | Fosfomycin preparation, a method for producing the preparation, and a polymethylmethacrylate bone cement powder containing the preparation - The invention relates to a fosfomycin preparation that comprises a) a calcium salt of fosfomycin and b) at least one sugar alcohol having a melting point above 70° C., whereby the weight ratio of sugar alcohol to calcium salt of fosfomycin is at least 0.8. Moreover, the invention proposes a method for producing the fosfomycin preparation and a polymethylmethacrylate bone cement powder that contains the fosfomycin preparation. | 10-08-2015 |
20150196457 | AMPOULE SYSTEM WITH MEDICAL LIQUID AND CAP WITH FILTER FACILITY - An ampoule system comprising an ampoule ( | 07-16-2015 |
20150032201 | BIO-ABSORBABLE COMPOSITE MATERIALS CONTAINING MAGNESIUM AND MAGNESIUM ALLOYS AS WELL AS IMPLANTS MADE OF SAID COMPOSITES - The invention relates to a composite material that comprises at least one magnesium component, whereby the magnesium component consists of pure magnesium or a magnesium-calcium alloy or a magnesium-calcium-X alloy, whereby X is another biodegradable element. The composite material also contains at least one organic anti-infective agent having a solubility in water at room temperature of less than 10 grams per liter. | 01-29-2015 |
20150010612 | BIODEGRADABLE NON-WOVEN MATERIAL FOR MEDICAL PURPOSES - The invention relates to a biodegradable fleece containing (i) at least one polymer for inducing primary haemostasis, (ii) at least one non-proteinogenic, low-molecular, water-soluble activator of secondary haemostasis, and (iii) at least one non-proteinogenic, low-molecular, water-soluble inhibitor of fibrinolysis. The invention also relates to a method for producing a biodegradable fleece, in which (i) a fluidised fiber raw material, and additives if applicable, is placed in a container, (ii) the container is made to rotate, (iii) the fluidised fiber raw material is dispensed from the container by means of centrifugal forces, whereby fibers or filaments are formed, and (iv) a biodegradable fleece is produced from the fibers or filaments. The invention also relates to the use of said biodegradable fleece as a local haemostatic agent. | 01-08-2015 |
20140343560 | DEVICE AND METHOD FOR THE IN-SITU PRODUCTION OF ARTICULATED SPACERS - Devices and methods in-situ produce articular spacers from a bone cement. The devices and methods have a punch surface for forming an articulation surface of a spacer in the bone cement, whereby the bone cement is arranged on a bone surface for fixation of the spacer, whereby the punch surface has a negative image of the articulation surface to be produced, and the surface forming the negative image is open on the side, at least in part, such that the bone cement can be pushed towards the side, away from the articulation surface to be formed. Moreover, the method for producing an articular spacer on a bone may have one or more of the following steps: A) Applying a bone cement to a prepared bone; B) Pressing said device onto the bone cement; and C) Detaching the device from the cured bone cement. | 11-20-2014 |
20140288659 | TWO-COMPONENT KNEE SPACER WITH RECESSES - The invention relates to a knee spacer for temporary replacement of an artificial knee joint, whereby the knee spacer comprises a tibial component and a femoral component as separate components, which can be moved with respect to each other when inserted in a patient, and whereby the tibial component and the femoral component each comprise at least one running surface by means of which the tibial component and the femoral component can be placed against each other such as to be mobile in their patient-inserted state, and the tibial component comprises an anchoring surface that is arranged opposite to the running surface side and is provided for connecting the tibial component to the tibia by means of a bone cement, and the femoral component to comprise an anchoring surface that is arranged opposite to the running surface side and is provided for connecting the femoral component to the femur, whereby the tibial component and the femoral component each comprise at least two recesses that extend from the anchoring surface towards the running surface side into the running surface side, whereby the openings of the recesses are arranged appropriately in the running surface side of the components such that they do not slide over the running surface of the respective other component during articulation of the knee spacer. | 09-25-2014 |
20140141097 | ANTISEPTIC POLYMETHYLMETHACRYLATE BONE CEMENT - The invention proposes an antiseptic composition for use as bone cement, in particular an antiseptic polymethylmethacrylate bone cement, that can be cured and comprises a content of at least one component that is a compound with an oxidising effect or from which a compound with an oxidising effect can be released. Preferably, hydrogen peroxide is or can be released. In this context, it is particularly preferred to use an adduct or a salt of hydrogen peroxide that releases hydrogen peroxide in the presence of water or aqueous conditions. The antiseptic polymethylmethacrylate bone cement can be used for mechanical fixation of primary total articular endoprostheses, for mechanical fixation of revision total articular endoprostheses, and for producing spacers. | 05-22-2014 |
20140128833 | METHOD FOR RELEASE OF ACTIVE SUBSTANCES AND ACTIVE SUBSTANCE RELEASE SYSTEMS - A device releases a fluid active substance, the device has at least one hollow space containing the fluid active substance, whereby the device contains water and a reducing agent, which are or can be made to be in communication such that a chemical reaction of the water and the reducing agent produces a gas and the gas effectively communicates with the fluid active substance such that the gas pressure thus generated presses the fluid active substance out of at least one opening of the hollow space out of the device. A medical implant incorporates the device, and a method releases a fluid active substance from a hollow space of the medical implant, in which a gas is produced through a chemical reaction of liquid water and a reducing agent, and the resulting gas pressure is used to expel the fluid active substance out of at least one opening of the hollow space. | 05-08-2014 |
20140126320 | DEVICE FOR MIXING AND DISPENSING A PASTY MASS - A device, for mixing and dispensing a pasty mass, comprising a cartridge that is open or can be opened on two ends and has a mixing element and a feed plunger arranged in it, whereby the feed plunger, in a starting position, is arranged in the region of a first cartridge end, the mixing element is arranged on a mixing rod, the mixing rod extends through the feed plunger into the inside of the cartridge, the mixing rod and the feed plunger and the cartridge together form a tight connection that seals the cartridge inside of the device with respect to the exterior, whereby the feed plunger is arranged on the mixing rod and such that it can move in the cartridge in axial direction and whereby at least one clamping jaw is arranged on the feed plunger in appropriate manner such that the clamping jaw can be pressed onto the mixing rod by means of a locking element such that the mixing rod can no longer be shifted with respect to the feed plunger. | 05-08-2014 |
20140077115 | ROTARY VALVE BODY FOR BONE CEMENT DISPENSING DEVICE - A rotary valve body for a bone cement dispensing device is arrangeable in rotatable manner in a matching valve seat in the dispensing device, whereby the rotary valve body is rotationally symmetrical about the rotation axis of the rotary valve body at least within a region intended for the valve seat. At least one sealing cam made of an elastic plastic material is arranged on the rotationally symmetrical jacket surface of said region and is raised above the radius of the rotationally symmetrical jacket surface such that the sealing cam renders the circumference of the rotary valve body larger than the internal diameter of the valve seat. At least one feed-through is arranged in the rotary valve body and extends from a first opening in the rotationally symmetrical jacket surface of the rotary valve body in the region of the sealing cam into a second opening in the rotationally symmetrical jacket surface of the rotary valve body. | 03-20-2014 |
20140076936 | DISPENSING DEVICE FOR FLOWABLE MATERIALS - A dispensing device dispenses flowable materials from cartridges, whereby the dispensing device comprises a base body, a connecting element for a gas cartridge on the base body, a valve element for controlling a gas flow from the gas cartridge, and a gas-permeable channel connecting the connecting element to the valve element. At least one evaporation container is arranged in the gas-permeable channel such that the gas flow from the gas cartridge is guided through the evaporation container, at least over regions thereof. | 03-20-2014 |
20140033970 | Method and Device for Coating of a Medical Implant - The invention relates to a method for coating of a medical implant that can be used to apply a calcium salt to the surface of a medical implant easily and without expensive coating equipment and little expenditure of time. | 02-06-2014 |
20140031451 | PASTE-LIKE BONE CEMENT - A paste contains at least one monomer for radical polymerisation, at least one polymer that is soluble in said at least one monomer for radical polymerisation, and at least one filling agent that is poorly soluble or insoluble in said at least one monomer for radical polymerisation. The filling agent is a particulate inorganic calcium salt comprising the following properties: at least 90% by weight of the particulate inorganic calcium salt have a particle size of less than 63 μm, as determined by means of sieve analysis; and the solubility in water of the particulate inorganic calcium salt at 20° C. is less than 8.5 g per litre. A kit and the paste is usable for mechanical fixation of articular endoprostheses, for covering skull defects, for filling bone cavities, for femuroplasty, for vertebroplasty, for kyphoplasty, for the manufacture of spacers or for the production of carrier materials for local antibiotics therapy, as well as a form body. | 01-30-2014 |
20130294193 | MIXING DEVICE FOR MULTI-COMPONENT SYSTEMS - A mixing device produces a multi-component mixture, in particular for medical applications, and has at least one first component and one second component, whereby the first component is a pasty fluid mass, whereby the mixing device has a housing having at least one first opening and a hollow body, whereby the hollow body has an internal space that contains the second component, and the mixing device has a feed plunger for expelling the second component from the internal space of the hollow body, whereby the hollow body has a thread and the feed plunger has a counter-thread that engages the thread of the hollow body, and the mixing device has a propulsion element that is arranged inside the housing, whereby the propulsion element converts a flow of the first component through the housing into a rotary motion, whereby the rotary motion of the propulsion element screws the feed plunger into the internal space of the hollow body, and whereby the second component can thus be extruded from the hollow space into the fluid flow of the first component. | 11-07-2013 |
20130253523 | Shaping Tool For Shaping An Acetabulum - A shaping tool shapes a smooth bone cement surface, in particular for implantation of an artificial acetabulum. The shaping tool has a curvature, whereby the shaping tool has a curved base body and at least two layers, whereby a first layer covers the curvature of the base body at least in part and is connected to the base body in a detachable manner, and a second layer covers the first layer at least in part and is connected to the first layer in a detachable manner. The shaping tool is usable to pre-shape a bone cement for insertion of an artificial acetabulum. | 09-26-2013 |
20130231673 | CARTRIDGE SYSTEM HAVING CONNECTED FEED PLUNGERS - Cartridge system for mixing and applying a mix of a medical cement. Cartridges are arranged parallel to each other having and an outlet opening. The cartridges each comprise at least one opening that connect(s) the cartridges to the outlet opening, and the cartridges are bordered laterally through cartridge walls. Each cartridge comprises a feed plunger for expelling starting components of the mix from the cartridges through the openings. The feed plungers are fixedly connected to each other and are fixedly connected to each other through at least one fin. The cartridge walls of the cartridges are connected through the fin(s). The walls comprise slits that are arranged parallel to the cartridge axis, whereby the width of the slits is well-suited for taking up the fin or fins, and the at least one fin moves through regions of the slits when the feed plungers perform a motion in the cartridges. | 09-05-2013 |
20130197126 | Paste-Like Bone Cement - The present invention relates to a paste, a kit, and the use of the paste for mechanical fixation of articular endoprostheses. The paste contains at least one polymer for radical polymerisation, at least one polymer that is soluble in at least one monomer for radical polymerisation, and at least one filling agent that is poorly soluble or insoluble in at least one monomer for radical polymerisation, whereby the filling agent is a particulate cross-linked polymethacrylate produceable through polymerisation of methacrylic acid esters, whereby | 08-01-2013 |
20130187310 | METHOD FOR PRODUCING A SPACER AND HOLLOW MOLD FOR PRODUCING A SPACER - A method for producing a spacer for insertion as a placeholder for an articular endoprosthesis, whereby a cement is filled into a compressed hollow space of a flexible compressed hollow mold, whereby the flexible hollow mold is expanded by the cement flowing into it, and the cement is filled into the hollow mold until the hollow space is expanded to a final state, whereby the hollow space in its final state determines the shape of the spacer to be produced, and the cement is then cured in said hollow space, and the spacer produced from the cement is removed from the hollow mold after curing. The invention also relates to the hollow mold, which comprises the compressible hollow space, whereby the hollow mold comprises at least one filling opening through which cement can be filled into the hollow space. | 07-25-2013 |
20130182528 | MIXING DEVICE FOR PREPACK VACUUM CEMENTING SYSTEM, VACUUM CEMENTING SYSTEM, AND METHOD - A mixing device, for a mixable material, has at least one cartridge and a closure piece. The cartridge contains a first component of the mixable material and has a cartridge head in which at least one air opening is arranged, and the closure piece is arranged on the cartridge head in such a way that the at least one air opening in the cartridge head can be closed and opened by the closure piece. The closure piece is mounted so as to be rotatable or slideable relative to the cartridge head, and a connection extends through the cartridge head or a cartridge wall into the interior of the cartridge and connects the interior of the cartridge to a container for a second component of the mixable material. | 07-18-2013 |
20130181008 | CARTRIDGE SYSTEM HAVING A DEVICE FOR SYNCHRONISING TWO FLUID FLOWS - A cartridge system has two cartridges and a discharge opening, wherein the cartridges are delimited by cartridge walls and by a cartridge head, wherein at least one cartridge opening for expelling the cartridge contents from both cartridges is provided in each case in the cartridge head. A device regulates streams of fluid from the cartridges and is arranged rotatably or slideably on the cartridge head, wherein on at least two openings at least one wing is in each case arranged which at least in some areas protrudes past the opening, such that a flow through the openings applies to the device a force which force leads to a sliding or turning of the device against the cartridge head, such that a housing having a discharge opening is arranged on the cartridge head, in which the housing is arranged so as to rotate or slide. | 07-18-2013 |
20130180396 | COMPRESSED GAS MOTOR AND LAVAGE SYSTEM - A compressed-gas motor has a cylindrical inner chamber closed gas-tight at a first base surface, and a piston arranged so as to be movable along the cylinder axis in the cylindrical inner chamber. A first opening feeds a compressed gas into the inner chamber, and a second opening discharges a gas from inside the inner chamber. The openings are arranged in the cylinder casing of the cylindrical inner chamber, wherein the first opening is arranged between the second opening and the closed first base surface. The first opening is closable by a first piston part and the second opening by a second piston part. The compressed-gas motor has a resetting device which exerts a force on the piston in the direction of the first base surface of the cylindrical inner chamber if the second piston part does not completely close the second opening. | 07-18-2013 |
20130175290 | SYNCHRONISED DISPENSING DEVICE, METHOD FOR SYNCHRONISING FLOWS, AND METHOD FOR MIXING A MIXABLE MATERIAL - A cartridge system for mixing and applying a mixable material has a discharge opening and at least two cartridges which have interiors delimited in some areas by a cartridge head. A device regulates streams from the cartridges, is arranged on the cartridge head and has an outflow opening and conveying mechanisms for conveying the starting components to the outflow opening. Each conveying mechanism has a connection to an interior of a cartridge, which has a cartridge opening, and is arranged rotatably in the device. Volumetric flows of the components are defined by the angular velocities of the conveying mechanisms, and the conveying mechanisms are coupled to each other in such a way that the ratio of the angular velocities relative to each other is fixed, such that a defined mixing ratio can be generated at the outflow opening. | 07-11-2013 |
20130172896 | DISPENSING DEVICE FOR BONE CEMENT - A discharge device discharges the content of a container by applying a compressed gas. The device has a housing, at least one compressed gas container, an operating device for setting a gas flow from the compressed gas container and an opening means for opening the compressed gas container. The opening means is movable in relation to the compressed gas container, and the device has a holder for securing the container on the device. The holder is in operative connection with the opening means in such a way that securing the container on the holder brings about a movement of the opening means in relation to the compressed gas container that opens the compressed gas container. | 07-04-2013 |
20130158158 | Paste-Like Bone Cement - The present invention relates to a kit comprising at least two pastes, A and B. Paste A contains at least one monomer for radical polymerisation; and at least one barbituric acid derivative as polymerisation initiator. Paste B contains at least one monomer for radical polymerisation; and at least one heavy metal compound as polymerisation accelerator that is selected from heavy metal salts and heavy metal complexes. Paste B contains less than 0.01% by weight, relative to the total weight of paste B, of a peroxide; at least one of the pastes A and B contains-at least one filling agent that is poorly soluble or insoluble in the monomer for radical polymerization in either paste A or B respectively; and at least one of the pastes A and B contains at least one inorganic halide salt. | 06-20-2013 |
20130145727 | VACUUM CEMENTING SYSTEM - A vacuum cementing system has at least one cement powder cartridge and a container-opening system. The container-opening system has at least one container for at least one liquid and/or at least one powder, an opening device, and an outlet opening for applying a negative pressure. When a negative pressure is being applied, the opening device is mobile relative to at least a part of the at least one container. The vacuum cementing system has a means for connecting the cement powder cartridge to the at least one container and utilizes necessary vacuum for automatically opening the at least one container. | 06-13-2013 |
20130144300 | APPLICATOR KIT - An applicator and applicator kit for particulate bone replacement materials, autologous or heterologous cancellous bone, demineralised bone matrix. The applicator ( | 06-06-2013 |
20130144211 | ADAPTER FOR DRILL DRIVE AND LAVAGE SYSTEM - Adapter for drill driven lavage system with first fastener for connecting the adapter to a drill drive, and second fastener for connecting the lavage system to the adapter. A shaft supported to rotate in axial direction and to connect to the drill drive that the shaft can be rotated by the drill drive. The adapter comprises a disc which is connected to the shaft in such manner that the disc rotates along when the shaft rotates. The disc comprises an attachment in an eccentric arrangement or the disc is inclined towards the rotation axis of the shaft. The adapter is connected to the lavage system by second fastener so that the rotating disc drives the lavage system. The adapter is connected to the lavage system by means of the second fastening facility in such manner that the pestle drives the lavage system and hits periodically onto a membrane of the lavage system. | 06-06-2013 |
20130138113 | MULTI-COMPONENT CARTRIDGE SYSTEM WITH SHIFTABLE CLOSURES IN THE CARTRIDGES - A cartridge system for mixing and applying a mixing ware. The cartridges are arranged parallel and they are connected to a mixing space and an outlet opening. The cartridges each comprise a feed plunger for expelling starting components of the mixing ware from the cartridges through the openings, and each cartridge has at least one closure allocated to it that is shiftable in longitudinal direction of the cartridges, whereby the closures close the openings of the cartridges in a starting position, and the openings are open, at least in part, in an end position of the shiftable closures. In open position, the closure is shifted into a hollow space. The closures are cylindrical in shape and in their end position are capable of being lowered into cylindrical hollow spaces of the cartridges in order to uncover the openings. | 05-30-2013 |
20130135959 | STORAGE AND MIXING DEVICE FOR BONE CEMENT - A device stores and mixes a liquid and a solid component, in particular, the device mixes and stores a monomer liquid and a powder for producing bone cement. The device contains two chambers of which the first chamber contains the solid component and is separated from a second chamber that contains the liquid component by means of a separation that can be opened. A mixing facility that can be driven by means of a pressure difference is arranged in the first chamber. In the present storage and mixing system, a vacuum that is available in the operating theatre is used to mix a monomer liquid and a bone cement powder in a vacuum and to operate a mixing facility simultaneously. Moreover, the vacuum can also be used to open a separation between monomer liquid and mixing space and to transfer the monomer liquid into the mixing space. | 05-30-2013 |
20130135957 | DEVICE FOR MIXING BONE CEMENT AND METHOD FOR MIXING BONE CEMENT AND USE OF THE DEVICE - A device automatically mixes bone cement and has two separate plunger space sections with a gas feed and a gas outlet, which are separated from each other through a plunger. A blocking organ is provided in the plunger and can be switched at the turnaround points of the plunger path. Suitable connecting facilities connect the plunger to a mixing facility that is arranged in a mixing vessel. Alternating build-up of a pressure difference and pressure equalisation in both plunger space sections causes the plunger to move up and down. The plunger motion effects a simultaneous up-and-down motion and rotation of the mixing facility. | 05-30-2013 |
20130125786 | Method and Composition for Sterilization of a Polymerizable Monomer - A method is provided for sterilization of a polymerizable monomer, in which the mixture contains at least the polymerizable monomer, a compound (a), and a compound (b). Compound (a) is selected from the group of compounds (a1), compounds (a2), and compounds (a3), wherein compounds (a1) are represented by general formula (I): | 05-23-2013 |
20130122184 | COATING METHOD AND COATING DEVICE FOR MEDICAL IMPLANTS - Methods and devices coat, at least regions of, a medical implant, preferably of an artificial joint or a fixation for a joint. The method provides a medical implant, fills a device with a liquid having at least one pharmaceutically active substance, wherein the device has a compressed, at least over regions thereof, elastic, porous transfer means increases a volume of the transfer means, whereby the liquid is taken up at least partly into the pores of the transfer means, and transfers the liquid from the transfer means to a medical implant surface to be coated. The device coats, at least regions of, a medical implant, by means of the method, whereby the device has a compressed, at least over regions thereof, elastic, porous transfer means. | 05-16-2013 |
20130115111 | Device and Method for Generating Vacuum for Vacuum Cementing Systems - A device is provided for generating a vacuum for a vacuum cementing device, the device including a channel and a connector for a gas cartridge. The connector has an opener for opening the gas cartridge, and connects the gas cartridge to the channel in a pressure-tight manner, such that gas from the opened gas cartridge flows along the channel to the surroundings of the device. The channel includes at least one T-piece, provided as Venturi nozzle, having a vacuum connector for the vacuum cementing device, such that gas from the opened gas cartridge flowing through the channel generates a negative pressure at the vacuum connector. A method is also provided including steps of opening a gas cartridge, flowing gas from the gas cartridge through a Venturi nozzle, whereby by a negative pressure is generated, and applying the negative pressure to a vacuum cementing system. | 05-09-2013 |
20130030058 | KIT AND METHOD FOR PRODUCING BONE CEMENT - A kit for producing bone cement includes at least one paste A and one paste B. Paste A contains at least one monomer (a1) for radical polymerization; at least one polymer (a2) insoluble in monomer (a1); at least one polymer (a3) soluble in monomer (a1); and at least one radical polymerization initiator (a4). The weight ratio of the at least one polymer (a2) to the at least one polymer (a3) is at least 2 to 1. Paste B contains at least one monomer (b1) for radical polymerization; at least one polymer (b2) and at least one accelerator (b3) soluble in monomer (b1); and optionally a polymer (b4) insoluble in monomer (b | 01-31-2013 |
20120285993 | DEVICE AND METHOD FOR DEGASSING AND DISPENSING BONE CEMENT - Device and method for degassing and dispensing bone cement that can be used to produce a bone cement that is largely free of air inclusions. The device contains a dispensing tube ( | 11-15-2012 |
20120258159 | MALLEABLE, BIODEGRADABLE HEMOSTATIC AGENT - A malleable, biodegradable hemostatic agent is provided that can be used for mechanical sealing of bleeding bone tissue, as well as a method for forming a malleable, biodegradable hemostatic agent of this type, and a medical implant having a coating that includes a malleable, biodegradable hemostatic agent of this type. The malleable, biodegradable hemostatic agent contains (a) at least one saturated glycerol-1,2,3-tri-fatty acid ester having a melting temperature above 37° C., (b) at least one filling agent present in particulate form, at least in part, and having a melting temperature above 37° C., and (c) at least one compound having a melting temperature not above 37° C. and a solubility at a temperature of 25° C. of less than 50 grams per liter of water. | 10-11-2012 |
20120164312 | COATING METHOD AND COATING DEVICE - A method for coating at least regions of a medical implant includes providing a medical implant having a surface to be coated, and immersing the surface of the medical implant into a liquid including at least one pharmaceutically active substance, whereby the liquid is transferred to the surface of the medical implant due to the immersing. The method also includes pulling the surface of the medical implant out of the liquid, whereby part of the liquid remains adhering to the surface of the medical implant. | 06-28-2012 |
20120164311 | COATING METHOD AND COATING DEVICE - A device for coating at least regions of a medical implant including a powder having at least one pharmaceutically active substance or one bone growth-promoting substance such that the powder can be transferred to the medical implant when the medical implant is contacted. | 06-28-2012 |
20120164310 | COATING DEVICE AND COATING METHOD - A device for coating a medical implant includes a container that contains a liquid having at least one pharmaceutically active substance. An elastic head for application of the liquid onto a surface to be coated is connected to an inside of the container through at least one channel. | 06-28-2012 |
20120164309 | COATING METHOD AND COATING DEVICE - A device for coating at least regions of a medical implant includes an elastically deformable transfer means having a liquid that contains at least one pharmaceutically active substance. The liquid can be transferred to the medical implant when the transfer means is contacted with a surface of the medical implant. | 06-28-2012 |
20120132675 | Cartridge with Lockable Feed Plunger - The invention provides a cartridge for squeezing-out a cartridge content, like a cement, preferably a medical cement, having a one cylindrical hollow space bordered by a cartridge wall, at least one feed plunger arranged in the hollow space to be mobile along the cylinder axis of the hollow space and abuts on the cartridge wall, and at least one snap-in means for locking the feed plunger in place at the cartridge wall, whereby at least one locking device is arranged on the feed plunger and comprises at least one of the snap-in means and which is accessible from outside when the feed plunger is locked. The invention also provides a cartridge system with a cartridge for squeezing out content and a method for dispensing such cartridge content, preferably a cement, through the use of a cartridge of said type. | 05-31-2012 |
20120026825 | BONE CEMENT SYSTEM - A bone cement system ( | 02-02-2012 |
20120009327 | Method and Device for Coating of a Medical Implant - The invention relates to a method for coating of a medical implant that can be used to apply a calcium salt to the surface of a medical implant easily and without expensive coating equipment and little expenditure of time. | 01-12-2012 |
20120006874 | Vial Breaker - The invention relates to a device for vial opening comprising an external container, in which a closed vial having a vial body and a vial head is arranged, and comprising a hollow space in the region of the vial head, whereby the hollow space comprises at least one opening and a connection to the vial, whereby the vial head, at least regions thereof, is arranged in the connection of the hollow space to the vial, and the walls of the external container comprise at least one deformable region or are altogether made of a deformable material, whereby tilting of the vial with respect to the connection is made feasible, and the diameter of the connection is adapted to the dimensions of the vial head in such a manner that the vial head can be fractured or broken off the vial body when the vial is being tilted with respect to the connection. | 01-12-2012 |
20110313078 | PASTE-LIKE BONE CEMENT - A kit is provided based on two pastes designed to produce bone cement with high initial stability and therefore low post-cure. The kit includes a paste A and a paste B, wherein paste A contains (a1) a polymerizable monomer having a pH in water in the range of 5-9, (a2) a filling agent insoluble in (a1), and (a3) a barbituric acid derivative selected from the group consisting of 1,5-disubstituted barbiturates, 1,3,5-trisubstituted barbiturates, and 1,3,5-tetrasubstituted barbiturates, and paste B contains (b1) a polymerizable monomer having a pH in water in the range of 5-9, (b2) a filling agent insoluble in (b1), (b3) a peroxide soluble in (b1), (b4) a heavy metal compound insoluble in (b1) and selected from the group consisting of heavy metal salts and heavy metal complexes, and wherein at least one of the pastes A and B contains a halide salt. | 12-22-2011 |
20110287064 | ANTIBIOTIC COATING - An implant is provided having an antibiotic coating that is inexpensive and easy to manufacture. The antibiotic coating adheres well and in stable manner to the surface of the implant, can be degraded by the body without forming toxic products, prevents the crystallization of the antibiotics in the coating, and ensures a high immediate locally-effective antibiotic concentration at the implant site. A coating solution useful for making the implant and a method for the manufacture of the implant are also described. | 11-24-2011 |
20110272438 | Dispensing Device for Cartridges - A dispensing device for cartridges having a trigger grip for operating a valve of the dispensing device, a connection for supplying a pressurised gas, a cartridge connector for connecting a cartridge, and a base body, in which at least one passage extends through such that pressurised gas can be guided to the cartridge connector. The cartridge connector comprises an opening towards the passage such that the content can be expelled from the cartridge upon application of the pressurised gas to the floor of a cartridge when the cartridge is arranged in the cartridge connector, and wherein the passage can be closed and opened through the operated valve. The valve has a valve body that is arranged in the base body in a rotatable manner, wherein a motion of the trigger grip leads to a rotation of the valve body in the base body. The passage is arranged in or on the valve body such that the passage is closed in a first position of the valve body and the passage in or on the valve body guides the pressurised gas to the cartridge connector in a second position of the valve body. | 11-10-2011 |
20110272437 | Dispensing Device for Pasty Materials - A dispensing device for cartridges having a connection for supplying a pressurised gas, a base body, in which at least one passage and/or channel extends through which the pressurised gas can be guided to a first cartridge connector for connecting a cartridge. The first cartridge connector has a first opening towards the passage and/or the front channel such that a cartridge content can be expelled from the cartridge through application of the pressurised gas to a cartridge when the cartridge is arranged in the cartridge connector, wherein a second cartridge connector having a larger cross-section and a second opening is arranged at a front edge of the first cartridge connector The second cartridge connector is suitable for connecting a larger cartridge, and wherein the second opening of the second cartridge connector is sufficiently large to allow a cartridge to be connected to the first cartridge connector proceeding through the second opening. | 11-10-2011 |
20110272436 | Cartridge System and Dispensing Tube For Said Cartridge System - A cartridge system mixes and applies a mixing ware, such as, for example, a medical cement. The cartridge system has two cartridges that are arranged parallel to each other, and a mixing space having an outlet opening, wherein the cartridges each comprise at least one opening in the cartridge walls that connects the cartridges to the mixing space. The cartridges each comprise a feed plunger for expelling starting components of the mixing ware out of the cartridges through the openings, wherein a closure that can be shifted in the mixing space is arranged in the mixing space in a manner such that it closes the openings of the cartridges in a starting position and in that the openings to the mixing space are opened, at least in part, in a final position of the shiftable closure, wherein the shiftable closure can be shifted from a starting position to a final position. A dispensing tube for the cartridge system has, opposite from a dispensing tube tip of the dispensing tube, an extension with a diameter is smaller than an internal diameter of the mixing space, and which is designed to shift the shiftable closure during the insertion of the dispensing tube into the cartridge system head of the cartridge system such that the openings of the cartridges are open, at least in part. | 11-10-2011 |
20110272434 | Cartridge Closure and Cartridge Having Said Closure - A cartridge system for application of a material has at least one cartridge having at least one cartridge has cartridge walls and one cartridge head each having at least one opening in each cartridge head, and a bracket that is arranged on the cartridge head or cartridge heads. A valve is mounted in rotatable manner in the bracket, wherein the valve has at least one passage through the valve that is connected to an outlet opening, wherein the valve, in a closed position, closes at least one opening of at least one cartridge, in particular all openings of all cartridges, in a sealed manner. The at least one passage is connected to the opening or openings in an open position of the valve such that the cartridge content can be squeezed out of the at least one cartridge through the outlet opening, and further wherein the valve can be transitioned from a closed position to an open position through a rotation of the valve. | 11-10-2011 |
20110272433 | Cartridge System With Compressed Gas Cartridge - A cartridge system for application of a flowable material has at least one cartridge having cartridge walls, one cartridge head, and one feed plunger opposite the cartridge head for expelling a cartridge content. The cartridge has at least one opening in the cartridge head or the cartridge wall that can be closed through a valve, wherein a rotatable valve is mounted in rotatable manner in a bracket on the cartridge head or cartridge heads or a shiftable valve is mounted in shiftable manner in a bracket on the cartridge. The valve has at least one passage through the valve that is connected to an outlet opening, the valve, in a closed position, closes in a sealed manner at least one opening of at least one cartridge, in particular all openings of all cartridges, the passage or passages is/are connected to the opening or openings in an open position of the valve such that a cartridge content can be squeezed from the cartridge or cartridges through the outlet opening. The valve can be transitioned from a closed position into an open position through a rotation of the valve or through shifting the valve, wherein the motion of the valve leads to a compressed gas cartridge that is or can be arranged in the cartridge system being opened through the compressed gas cartridge moving with respect to an opening device of the cartridge system. | 11-10-2011 |
20110184083 | PMMA BONE PASTE MIXING APPARATUS AND METHOD - A device is provided with which it is possible to produce poly(methyl methacrylate) bone-cement paste, which is degassed to the greatest extent possible, while avoiding large-volume mixing containers and large cement volumes contained therein. The device includes a tubular hollow body ( | 07-28-2011 |
20110183932 | THREE-COMPONENT BONE CEMENT - A paste is provided from which bone cement can be formed, which is to the largest extent possible bubble-free and has a high impact strength. The paste includes (i) 15-50 weight percent of at least one mono-functional, hydrophobic methacrylic acid ester, (ii) 40-85 weight percent of at least one filler, (iii) 0.01-4 weight percent of at least one radical initiator soluble in the methacrylic acid ester (i) and having at least one peroxide group, (iv) 0.01-4 weight percent of at least one radical initiator soluble in the methacrylic acid ester (i) and having no peroxide groups, (v) 0.000001-3 weight percent of at least one accelerator soluble in the methacrylic acid ester (i) and capable of forming radicals from the radical initiators according to (iii) and (iv), (vi) 0.001-5 weight percent of at least one halide salt, and (vii) 0.2-3 weight percent of at least one cross-linking agent. | 07-28-2011 |
20110112210 | PMMA PASTE - A PMMA paste is made from a mixture of (A) methyl methacrylate having a methacrylic acid content of less than 1% and a water content of less than 1% and (B) at least one polymethyl methacrylate having a Tg of more than 65° C. and a molar mass of greater than or equal to 200,000 g/mol. The methyl methacrylate fraction is sufficient for the PMMA paste to be autosterile, the weight ratio of (B) to (A) preferably being 10-50% (B) to 50-90% (A). The PMMA paste can be used to produce paste-like one-component bone cements and two-component bone cements. | 05-12-2011 |
20100329074 | Device for Mixing and Dispensing Bone Cement | 12-30-2010 |
20100318023 | MEDICAL SYSTEM, PULLING DEVICE AND METHOD FOR PULLING AN ACTIVE SUBSTANCE CHAIN - A medical system ( | 12-16-2010 |
20100160483 | POLYMETHYLMETHACRYLATE BONE CEMENT COMPOSITION FOR CONTROLLED HYPERTHERMIA TREATMENT - The invention relates to a polymethylmethacrylate bone cement composition that contains polymethylmethacrylate, radio-opaquer, methylmethacrylate and/or alkylmethacrylates, and an initiator system and comprises, in addition, ferromagnetic and/or superparamagnetic particles of a particle size of up to maximally 500 μm—which allows it to be heated by alternating magnetic fields—and further contains at least one biodegradable or biocompatible crystalline substance having a melting point in the range of 43-46° C. The cured cement can be used for local over-heating (hyperthermia) therapy in the absence of undesired temperature peaks. | 06-24-2010 |
20100159027 | SPORICIDAL COMPOSITIONS AND USE THEREOF - What is described are sporicidal compositions, in which hydrogen peroxide and at least one radical stabilizer are homogeneously dissolved in a methacrylate monomer or a mixture of methacrylate monomers, and the quantitative ratio of radical stabilizer to hydrogen peroxide is larger than or equal to 1 to 1. The sporicidal monomer/monomer mixture is usually used for producing single component bone cement pastes; two-component bone cement pastes or monomer solutions for polymethylmethacrylate bone cements that are based on cement powder and monomer liquid. Moreover, a sporicidal cement paste having the following components is proposed:
| 06-24-2010 |
20090105369 | Polymethylmethacrylate Bone Cements - What is described is a PMMA bone cement, containing at least one homopolymer or one copolymer having a glass transition temperature of more than 45° C., and at least one biocompatible elastomer that has a glass transition temperature of less than 37° C. and is soluble or insoluble in alkylmethacrylates and/or alkyldimethacrylates and/or alkyltrimethacrylates and/or alkyltetramethacrylates and has a residual monomer content of less than 5 percent. The PMMA bone cement is preferably used as self-curing plastic material for the fixation of primary total articular endoprostheses and revision total articular endoprostheses. Moreover, the PMMA bone cement can be used as self-curing filling material for vertebroplasty, kyphoplasty or femoral neck augmentation as well as for the production of temporary place-holders for two-stage revisions of total articular endoprostheses. | 04-23-2009 |
20090105367 | INITIATOR SYSTEM FOR SELF-CURING PLASTIC MATERIALS, ITS USE, AND BONE CEMENT COMPOSITIONS CONTAINING IT - An initiator system for self-curing plastic material comprises a) at least one salt of a dialklylbarbituric acid and/or an alkylcycloalkylbarbituric acid and/or alkylarylbarbituric acid and/or a cycloalkylarylbarbituric acid that is insoluble in methacrylate monomers; b) at least one heavy metal salt that is insoluble in methacrylate monomers; c) at least one halogenide ion donor that is insoluble in methacrylate monomers; and d) at least one acid that is soluble in methacrylate monomers. The initiator system can be used for the preparation of paste/paste, paste/powder, paste/liquid, powder/liquid, and liquid/liquid combinations for the production of medical plastic material and dental materials. Additionally, a bone cement composition containing the initiator system is described. | 04-23-2009 |
20090105366 | PASTE-LIKE POLYMETHYLMETHACRYLATE BONE CEMENT - What is described is a paste-like PMMA bone cement that is characterised in that a paste-like component A, which is made up of one or more methacrylate monomers that can be distilled and polymerised by radical polymerisation, at least one polymer that is soluble in the methacrylate monomer/methacrylate monomers, at least one particulate polymer that is insoluble in the methacrylate monomer/methacrylate monomers and has a particle size of less than 500 μm, and at least one radical initiator, and a paste-like component B, which is made up of one or more methacrylate monomers that can be distilled and polymerised by radical polymerisation, at least one polymer that is soluble in the methacrylate monomer/methacrylate monomers, at least one particulate polymer that is insoluble in the methacrylate monomer/methacrylate monomers and has a particle size of less than 500 μm, and at least one accelerator, is present and in that a tack-free paste that cures by itself is generated upon mixing the paste-like components A and B. | 04-23-2009 |
20090105144 | ONE-COMPONENT BONE CEMENT PASTES AND METHODS FOR CURING THEM - One-component bone cement pastes, containing:
| 04-23-2009 |