Patent application number | Description | Published |
20080269905 | CERVICAL INTERVERTEBRAL PROSTHESIS SYSTEM - A cervical intervertebral prosthesis system includes prostheses which each have a hinge with a predefined center of hinge movement. To permit better adaptation to the different hinge radii of the cervical intervertebral disks, the cervical intervertebral prostheses of the system include at least two different prostheses with different hinge radii. | 10-30-2008 |
20090082849 | ENDOPROSTHESIS COMPONENT - The invention relates to an endoprosthesis component which is formed from a ceramic material and in which the ceramic material is partially coated with a titanium alloy. An uncoated surface portion of the endoprosthesis component is designed to interact as slide surface with another endoprosthesis component. A coated surface portion of the endoprosthesis component is designed to establish a connection to a bone. According to the invention, the part of the ceramic material forming an interface to the coating has a roughness R | 03-26-2009 |
20090082866 | ENDOPROSTHESIS COMPONENT - An endoprosthesis component and a method for producing an endoprosthesis component is disclosed. The endoprosthesis component comprises a body predefining the shape of the endoprosthesis component. On surface portions with which the endoprosthesis component in the implanted state is in contact with human tissue, the body is covered with an outer layer which comprises a nitride, an oxynitride or an oxide based on a refractory metal and which contains silver and/or copper. An intermediate layer is arranged between the outer layer and the body in such a way that parts of the intermediate layer are accessible from the outside. The endoprosthesis component enables generation of a long-term antimicrobial action with the outer layer and, in addition, action on the surrounding tissue from the intermediate layer. | 03-26-2009 |
20090182341 | INSTRUMENT SET FOR FITTING AN INTERVERTEBRAL JONT PROSTHESIS - An instrument set for fitting an intervertebral prosthesis includes a guide device for an instrument or a prosthesis part, which guide device is to be secured on at least one vertebral body. In order to attach the guide device precisely on the vertebral bodies despite difficult operating conditions, an adjustment instrument is provided which positions the guide device when this is being arranged on the vertebral body. This adjustment instrument may include an intervertebral plate which is fitted into the intervertebral space so as to be positioned exactly in relation to the vertebral bodies. | 07-16-2009 |
20100198355 | ANKLE-JOINT ENDOPROSTHESIS - An endoprosthesis for replacing the ankle joint includes a lower component which is configured to be connected to the ankle bone, an upper component which is configured to be connected to the shin bone, and an intermediate part which forms a slide joint both with the lower and upper components. The intermediate part, which is wedge-shaped in sagittal section, is provided in order to compensate for anatomical or surgical irregularities. The upper component can also be wedge-shaped in frontal or sagittal section. | 08-05-2010 |
20110127700 | METHOD FOR PRODUCING A CERAMIC COMPONENT - The invention relates to a method for producing a ceramic component. With the method, a ceramic base material in powdered form and a mold having the shape of the ceramic component are provided. The ceramic base material is introduced into the mold. The ceramic component is presintered at a temperature between 880° C. and 980° C. and is then removed from the mold. The surface of the ceramic component is treated with a blasting material and the ceramic component is sintered at a temperature that is higher than the presintering temperature. With the method according to the invention, ceramic components having higher surface roughness can be produced. Due to the higher surface roughness it is easier to apply a firmly adhering coating to the ceramic component. | 06-02-2011 |
20110130837 | Intervertebral Implant - An intervertebral implant for insertion into an intervertebral disc space having a contact face for connection to an adjacent vertebral body. The contact face has a porous coating that allows bone tissue ingrowth into the porous coating to form an intimate connection between the contact face and the bone tissue. Rounded teeth are provided that protrude above the contact face and the porous coating and have a radius of not less than 0.1 mm. The rounded teeth do not penetrate through the bone tissue but merely compact the bone tissue. The teeth provide fixation in the bone tissue even without intimate connection to the bone tissue. A method of securing the implant in the intervertebral space with easy removal in the event of a replacement is also disclosed. | 06-02-2011 |
20110152953 | SURGICAL GUIDE INSTRUMENT AND METHOD FOR WORKING THE ARTICULAR PROCESSES OF VERTEBRAL BODIES - A surgical guide instrument for use on the articular processes of vertebral bodies. At the distal end of the guide instrument, there are two plier heads, which are designed for a plier movement relative to each other. A guide rail is provided, which defines a guide axis for a reamer. The guide rail is pivotable about a first pivot axis, such that the guide axis, with the pivoting movement about the first pivot axis, spans a work sector, and such that the work sector intersects an imaginary connecting line between the plier heads. | 06-23-2011 |
20110160858 | ENDOPROSTHESIS HAVING A PLUG-IN CONNECTION AND IMPROVED ROTARY PROTECTION - The invention relates to an endoprosthesis, particularly for the at least partial replacement of a long bone, comprising a plug-in connection for connecting a shaft ( | 06-30-2011 |
20110190900 | HIP-JOINT PROSTHESIS WITH A SHAFT TO BE INSERTED INTO THE FEMUR - A hip-joint prosthesis includes a shaft which is configured to be inserted into the femur and whose surface has an osteoinductive finish. This finish is provided exclusively in the metaphyseal portion of the shaft and laterally from the line delineating the maximum antero-posterior dimension of the shaft cross section. This ensures a better involvement of the metaphyseal spongiosa in the flow of forces, without compromising the ability to perform follow-up surgery on the prosthesis. | 08-04-2011 |
20120078304 | BILATERALES LAMINA-IMPLANTAT - A reinforcing implant for the lamina of a vertebra includes a transverse support, one anchoring device for the right-hand side and one anchoring device for the left-hand side of the lamina of the vertebra. An expansion element with a guide device and cheek elements is provided, the cheek elements being mounted to be longitudinally movable along the guide device. Bearing surfaces for the lamina are formed on outer faces of the cheek elements directed away from each other, and a return stop for the cheek elements is provided. At least one of the cheek elements is provided with an aligning device for modifying the orientation of its bearing surface relative to the guide device. In this way, a secure anchoring of the reinforcing implant on the resected surfaces produced during a laminectomy can be achieved, with precise adaptation of the reinforcing implant to the actual anatomical conditions following the laminectomy. | 03-29-2012 |
20120095509 | Lamina implant set - An implant set for insertion into the lamina of a vertebra includes several reinforcing implants, each of which includes a main body with bearing surfaces on the vertebra and a fastening device. The main body has a front surface, a rear surface, and lateral and medial side surfaces, the medial side surface being offset rearwardly in relation to the lateral side surface. The side surfaces bear on sectioned surfaces of the lamina, and a rearwardly protruding extension with a lateral bearing surface on a spinous process of the vertebra is arranged on the rear surface. In this way, the resection opening can be easily and safely closed. Sleeves can be provided for the fastening by means of screws that are oriented such that the screws are guided through the adjoining facets and fuse the latter. | 04-19-2012 |
20120143262 | VARIABLE ANGLE BONE SCREW FIXATION ARRANGEMENT - The invention concerns a fixation apparatus comprising a holder ( | 06-07-2012 |
20120143337 | FUSION IMPLANT FOR FACET JOINTS - The invention involves a fusion implant for a facet joint, comprising a bearing module ( | 06-07-2012 |
20120191198 | CERVICAL INTERVERTEBRAL PROSTEHSIS - An intervertebral disc prosthesis having two cover plates and a prosthesis core that extends to the circumferential edge of the cover plates. The prosthesis core is mounted to the lower cover plate and forms a spherical sliding surface with the upper cover plate. The connection surface of the cover plates may be set back from the circumferential perimeter of the cover plates to provide an optimum size of the spherical sliding surface despite the set-back nature of the connection surface. The set-back is configured as an inclined transition surface that adjoins the connection surface to the circumferential edge. The set-back allows the intervertebral disc prosthesis to be fully inserted into the prepared disc space into the spared dorsolateral corners without protruding ventrally. | 07-26-2012 |
20130085577 | Prosthesis for Partial Replacement of a Tubular Bone - The invention relates to a prosthesis for at least partial replacement of a tubular bone and of an adjacent joint, comprising an elongate shaft ( | 04-04-2013 |
20140005787 | INTERVERTEBRAL FUSION IMPLANT | 01-02-2014 |
20140081413 | Ankle-Joint Endoprosthesis - An endoprosthesis for replacing the ankle joint includes a lower component which is configured to be connected to the ankle bone, an upper component which is configured to be connected to the shin bone, and an intermediate part which forms a slide joint both with the lower and upper components. The intermediate part, which is wedge-shaped in sagittal section, is provided in order to compensate for anatomical or surgical irregularities. The upper component can also be wedge-shaped in frontal or sagittal section. | 03-20-2014 |
20140099353 | METHOD FOR PRODUCING AN IMPLANT COATING, AND CORRESPONDING IMPLANT - A medical implant which, on at least part of its surface, has a coating with an osteoinductive and/or osteoconductive top layer based on calcium phosphate and/or calcium carbonate, wherein an antibiotic active substance, which is soluble in aqueous medium, is coated over the osteoinductive and/or osteoconductive top layer in patches, leaving gaps on the osteoinductive and/or osteoconductive top layer. | 04-10-2014 |
20140188223 | REINFORCEMENT IMPLANT FOR LAMINA WITH A CANTILEVER BRIDGE PART - A reinforcement implant comprises a cantilever part for spanning a resected area of a lamina and an anchoring part at opposite ends of the cantilever part. The first anchoring part has a pressure surface for bearing on the spinous process of the vertebra, and the second anchoring part has a transverse thrust surface for bearing on an outer face of the lamina. The pressure surface and the transverse thrust surface enclose an obtuse angle. An anti-shear device (e.g., a facet screw) is arranged on the transverse thrust surface, and one edge of the transverse thrust surface is adjoined by a load-bearing area of the cantilever part. The implant can thus be mounted in place from outside without needing to be pushed with a load-bearing action into the resected area. The resection surfaces on the lamina are free of loads, such that unevenness does not cause problems. | 07-03-2014 |
Patent application number | Description | Published |
20090155855 | COVER FOR SAMPLE WITH HOMOGENOUS PRESSURE APPLICATION - The present invention relates to means for covering one or more sample(s) that are suitable to avoid or minimize evaporation and/or condensation of any vaporizable substance that may be present in the sample(s) or reaction mixture(s), in particular evaporation of substance at the fringes of a vessel or an array of vessels or condensation of said substance on the lid of a reaction vessel or a plate/block containing the sample(s) and/or the means for covering. This is achieved by providing a device comprising, among others, a force distribution unit that comprises at least one medium or material that is unable to withstand a static shear stress and deforms continuously under the action of a shear force. In a preferred embodiment, this medium or material is a gas, a shear force. | 06-18-2009 |
20100087003 | DEVICE AND METHOD FOR THE MECHANICAL DECOLLATION OF CELLS FROM A CELL COMPOSITE - A device for mechanically decollating cells from a cell composite, particularly a shear rotor, a cell isolation unit including such a shear rotor and a method for decollating cells from a cell composite. The aforementioned device includes a rotor having a rotor wall, which is concentrically arranged in a receptacle. A rotor seat is connected to a motor and to which the rotor can be fixed in a detachable manner. A rotational movement of the motor can be transmitted to the rotor by means of the rotor seat. The rotor tapers longitudinally towards the bottom of the receptacle so that different circumferential speeds of the rotor can be transmitted to a liquid sample in the receptacle via the rotor wall. | 04-08-2010 |
20100143197 | Container Holder - A container holder for a multiplicity of tubular sample containers with a frame made of a rigid plastic material, comprising a panel with a multiplicity of holes, and a coating of the frame which is made of an elastic plastic material or of rubber, and which partially closes off the cross section of the holes. | 06-10-2010 |
20130199312 | Pipette - A pipette with a displacement unit, a drive unit, means for the detachable connection that detachably connects together the upper housing part and the lower housing part, an ejection device, an end stop, a decoupling device and coupled to the drive device, a lower stop body that upon decoupling of the drive element from the drive device by the decoupling device strikes the actuating end of the ejection extension in order, with further shifting of the actuating element in the actuating direction, to shift downward the ejection extension and the ejection slide. | 08-08-2013 |
20130239706 | Pipetting Device and Multi-Channel Pipetting Device - The invention relates to a pipetting device for pipetting at least one fluid laboratory sample into at least one pipetting vessel, said device having a main body extending along an axis direction, at least one connecting section, to which at least one pipetting vessel can be connected by an at least partially axial connecting movement along the positive axis direction, wherein the at least one connecting section is connected to the main body so as to be movable at least in the axis direction, a spring mechanism, by which the at least one connecting section is supported with spring loading on the main body at least in a first operating state of the pipetting device, such that the at least one connecting section, during the connecting movement, can perform a spring-assisted deflection movement along the positive axis direction, wherein an auxiliary mechanism is provided on the pipetting device and is designed to act on the deflection movement of the at least one connecting section in at least a second operating state of the pipetting device, wherein the pipetting device is designed such that the user can alternately put it into the first operating state or the second operating state. The invention further relates to a multi-channel pipetting device. | 09-19-2013 |
20130243666 | Pipetting Apparatus and Method for Production Thereof - The invention relates to a pipetting apparatus, in particular for pipetting a fluid sample by aspiration into a pipetting container by means of air under a pipetting pressure, said pipetting apparatus comprising: a valve arrangement having at least one valve device for setting a pipetting pressure, wherein the valve device comprises a valve chamber; at least one pump device, which is connected to the valve chamber to generate a chamber pressure in the valve chamber; a pipetting channel, to which the pipetting container can be connected, and; a bypass channel, which is open to the surrounding environment; wherein the pipetting channel and the bypass channel are each connected to the valve chamber; and wherein the at least one valve device is designed such that, to generate the desired pipetting pressure in the pipetting channel, the chamber pressure is distributed in a metered manner by the valve device between the pipetting channel and the bypass channel. The invention further relates to a method for producing this pipetting apparatus. | 09-19-2013 |