| HERAEUS MEDICAL GMBH Patent applications |
| Patent application number | Title | Published |
|---|
| 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 |
