Abstract: A method for guiding implantation of a first prosthetic component includes determining, using a virtual model of a joint including first and second bones, a planned orientation of the first prosthetic component in the joint, applying a valgus/varus moment to the joint at a plurality of flexion positions of the joint, and recording positional data indicative of relative positions of the first bone and the second bone at the plurality of flexion positions of the joint. The method also includes calculating estimated separation distances between the first prosthetic component and a second prosthetic component, adjusting the planned orientation of the first prosthetic component in the joint in response to an error between the estimated separation distances and one or more desired separation distances, and guiding implantation of the first prosthetic component on the first bone in accordance with the adjusted planned orientation of the first prosthetic component.

Abstract: A plasma treatment unit having a high-voltage stage (5, 6), arranged in a housing, for generating high-voltage signals suitable for the generation of a plasma, and having a head part (2) which is connectable to the high-voltage stage (5, 6) and in which there is situated an electrode arrangement (13) shielded by a dielectric (9), is suitable for plasma treatments in particular in the body interior by virtue of the fact that the head part (2) has an elongate transition piece (10) which is attachable to the housing and on that end of which which is not connectable to the housing there is arranged a treatment head (16, 16?), the dimensions of which perpendicular to the longitudinal direction of the transition piece (10) greatly exceed the dimensions of the transition piece (10), and that, in the treatment head (16, 16?), the electrode arrangement (13) forms a spatially closed flexible sheath (12) around a resiliently elastic core (14) and is covered at its outer lateral surface by a thin layer (15) of the flexib

Abstract: The invention relates to an electrode array for a dielectrically impeded plasma treatment of a surface of a body, comprising at least one flexible flat electrode (1) and one dielectric (2) consisting of a flat flexible first material which protects the electrode (1) from the surface to be treated, with a layer (3) impeding a direct current flow. The dielectric (2) can lie on the surface to be treated, above a structure (4) with projections (7), air spaces (5) being formed between the projections (7) for the creation of the plasma, which have a side open towards the surface to be treated, and a bottom-side closure as a result of the layer (3) impeding the direct current flow. The structure (4) comprises a plurality of spacer elements (6) consisting of a second material that has less flexibility than the first material, and the projections (7) of the structure (4) are partially or completely formed by the spacer elements (6).

Abstract: A first set of records and a second set of records different from the first set of records are obtained. A score that indicates indicating confidence that the first set of records and the second set of records correspond to a same individual is computed. As a result of the score reaching a value relative to a threshold, a device of an individual associated with the second set of records is caused to prompt the individual to confirm control of a first asset identified by first data within the first set of records. A message to a destination associated with the first asset is provided. As a result of a response to the message indicating that the individual is the same individual, an association between the second set of records and the first asset is stored and the device is caused to display details about the first and second sets of records.

Abstract: Methods and apparatus are provided for planning and delivering radiation treatments by modalities which involve moving a radiation source along a trajectory relative to a subject while delivering radiation to the subject. In some embodiments the radiation source is moved continuously along the trajectory while in some embodiments the radiation source is moved intermittently. Some embodiments involve the optimization of the radiation delivery plan to meet various optimization goals while meeting a number of constraints. For each of a number of control points along a trajectory, a radiation delivery plan may comprise: a set of motion axes parameters, a set of beam shape parameters and a beam intensity.

Abstract: A flat pad structure, designed to generate a dielectric barrier discharge plasma on a contact side (109) of said pad structure, comprises a flat electrode arrangement (112) which is embedded in a flat dielectric (102), can be supplied with high-voltage signals and is shielded on all sides against an unimpeded current flow; said pad structure has better stability and can be better adapted to elongate treatment areas because a width of the structure extends in a longitudinal direction (L) and in the longitudinal direction (L) the structure has a plurality of identically structured portions (101), each with a dielectric portion in the width of the pad structure and each with at least one electrode portion; the electrode portions of said portions (101) adjoin one another in the longitudinal direction (L) and form an electrode arrangement (112) extending over the entire length such that, in order to reduce the size of the contact surface in the longitudinal direction (L), at least one portion (101) can be separate

Abstract: The invention relates to a plasma treatment device for carrying out a dielectric barrier plasma discharge, comprising an electrode unit (1), which has a treatment side (5), and comprising a supply unit (10), to which the electrode unit (1) can be mechanically connected and by means of which the electrode unit can be brought into electrical contact in order to be supplied with a supply voltage necessary for the plasma generation, wherein the electrode unit (1) has an electrode arrangement, which is shielded by means of a planar dielectric (2) at least toward the treatment side (5), enables the use of different electrode units (1) with the same supply unit (10) in that the electrode unit (1) has a coding and the supply unit (10) has an identifying device for the coding and the identifying device is connected to a control device, which controls the supply voltage for the plasma generation in accordance with the identified coding.

Abstract: The present invention relates to an apparatus (10) for imaging an object. It is described to position (210) an X-ray detector relative to at least one X-ray source such that at least a part of a region between the at least one X-ray source and the X-ray detector is an examination region for accommodating an object. In a first mode of operation, with the at least one X-ray source a first focal spot is produced (220), such that at least some first X-rays produced at the first focal spot pass through a first grating of an interferometer arrangement, the first grating positioned at a first position, and such that the at least some first X-rays pass through a second grating of the interferometer arrangement, the second grating positioned at a second position. In the first mode of operation, the at least some first X-rays are detected (230) with the X-ray detector at a detector position.

Abstract: The present invention relates to an apparatus (10) for generating X-rays. It is described to produce (210) with at least one power supply (40) a voltage between a cathode (20) and an anode (30). The cathode is positioned relative to the anode, and the cathode and anode are operable such that electrons emitted from the cathode interact with the anode with energies corresponding to the voltage, and wherein the electrons interact with the anode at a focal spot to generate X-rays. The at least one power supply provides (220) the cathode with a cathode current. An electron detector (50) is positioned (230) relative to the anode, and a backscatter electron signal is measured (240) from the anode. The measured backscatter electron signal is provided (250) to a processing unit (60).

Abstract: The present invention relates to an apparatus for determining an effective energy spectrum of an X-ray tube. It is described to provide (210) a temporally varying acceleration voltage of an X-ray tube for a time period. A temporally varying X-ray tube current is also provided (220) for the time period. At least one product of the temporally varying X-ray tube current and a time interval is determined (230). An effective energy spectrum of the X-ray tube processing the X-ray tube is determined (250) as a function of the at least one product of the temporally varying X-ray tube current and the time interval and as a function of the voltage of the X-ray tube.

Abstract: A computer-implemented method determines an orientation parameter value of a prosthetic component. The method includes receiving a first desired separation distance between a first prosthetic component and a second prosthetic component at a first flexion position of a flexion joint and estimating a first estimated separation distance between the first prosthetic component and the second prosthetic component at the first flexion position of the joint for at least one potential orientation of the first prosthetic component. The method also includes determining a first orientation parameter value of the first prosthetic component by comparing the first estimated separation distance to the first desired separation distance and outputting the first orientation parameter value via a user interface.

Abstract: An X-ray source (10) for generating X-rays (11) is provided. The X-ray source (10) comprises an emitter arrangement (12) for generating electrons or for generating X-rays, at least one feedthrough (38) for supplying electrical power to the emitter arrangement (12), and an insulator (20) configured for isolating an electrical potential of the at least one feedthrough (38) from a ground potential. Therein, the at least one feedthrough (38) extends at least partly through the insulator (20), and at least a part of the insulator (20) is in thermal contact with at least a part of the emitter arrangement (12). Further, the insulator (20) comprises at least one cooling channel (28) formed completely in an interior volume (25) of the insulator (20) and configured to dissipate heat from the emitter arrangement (12), wherein a distance (29) between an outer surface (26) of the insulator (20) and the cooling channel (28) is at least as large as half of a thickness (27) of the cooling channel (20).

Abstract: An input value is derived at least in part from information associated with present data associated with a user and details of historical data associated with the user, with the historical data including a value indicating an option selected by the user and the option being a member of a plurality of options available to associate with the present data. A plurality of scores is obtained at least in part by passing, for each of the plurality of options, the input value as input to a plurality of decision rules. A preferred option is determined based at least in part on the plurality of scores. An interface is caused to display a plurality of selectable elements corresponding to the plurality of options that include the preferred option. A response that indicates selection of the preferred option is received via the interface. The present data is associated with the preferred option.

Abstract: Methods and apparatus are provided for planning and delivering radiation treatments by modalities which involve moving a radiation source along a trajectory relative to a subject while delivering radiation to the subject. In some embodiments the radiation source is moved continuously along the trajectory while in some embodiments the radiation source is moved intermittently. Some embodiments involve the optimization of the radiation delivery plan to meet various optimization goals while meeting a number of constraints. For each of a number of control points along a trajectory, a radiation delivery plan may comprise: a set of motion axes parameters, a set of beam shape parameters and a beam intensity.

Abstract: The present invention relates to a device (34) and a method (70) for determining a status of an X-ray tube (10) of an X-ray system (36). Due to ageing and/or wear of the X-ray tube, the spectrum of the X-ray radiation (30) provided by the X-ray tube may change over the operation time of the X-ray tube. The present invention therefore suggests evaluating spectrally different values detected with an X-ray detector arrangement (32) of the X-ray system. A reference data set representing a reference condition of the X-ray tube by a plurality of spectrally different reference-values (44) and a working data set representing an aged condition of the X-ray tube by a plurality of spectrally different working-values (46) of detected X-ray radiation are used to determine an equivalent filtration function for an filtration material influencing a source X-ray radiation (26) emitted by an anode (16) of the X-ray tube.

Abstract: The invention relates to a flat flexible coating arrangement comprising a coating surface (9) for placing on a body region of a living being and at least one electrode (3, 3?) arranged above the coating surface (9), and a dielectric (1) containing the at least one electrode (3, 3?), the at least one electrode (3, 3?) comprising a supply line for an AC high voltage in order to form a dielectrically impeded plasma. Said arrangement enables fusion processes over the course of the plasma treatment and optionally wound healing without removing the coating arrangement from the body region by means of at least one built-in sensor (14) for determining at least one parameter of the body region.

Abstract: The invention relates to a source-detector arrangement (11) of an X-ray apparatus (10) for grating based phase contrast computed tomography. The source-detector arrangement comprises an X-ray source (12) adapted for rotational movement around a rotation axis (R) relative to an object (140) and adapted for emittance of an X-ray beam of coherent or quasi-coherent radiation in a line pattern (21); and an X-ray detection system (16) including a first grating element (24) and a second grating element (26) and a detector element (6); wherein the line pattern of the radiation and a grating direction of the grating elements are arranged orthogonal to the rotation axis; and wherein the first grating element has a first grating pitch varied dependent on a cone angle (?) of the X-ray beam and/or the second grating element has a second grating pitch varied dependent on the cone angle of the X-ray beam.

Abstract: The invention relates to an electromagnetic starter relay having an armature that is axially adjustably arranged, and having a pull-in winding, a hold-in winding and a switching winding. The hold-in winding is connected in series to the pull-in winding, wherein, in a phase stage of the meshing phase only the pull-in winding can be energised and in a different phase stage both the pull-in winding and the hold-in winding can be energised.

Abstract: A device for treating a body surface of a living body by means of a dielectric barrier discharge plasma, with a planar, flexible dielectric (4) by which an electrode (1) attached to a high voltage source (3) is screened off from the body surface and which is suitable for placing on the body surface, functioning as counter-electrode, and is designed with a structured surface (7) which provides a gas space for the plasma discharge between dielectric (4) and body surface, which device permits the conduct of plasma treatment and the delivery of curative or healing substances without a change of the position of the device, by virtue of the fact that a layer (11) composed of a solid, open-pore matrix of a curative or healing material is arranged on the surface (7) of the dielectric (4).

Abstract: The invention relates to a modification arrangement for an X-ray generating device, a modification method, a computer program element for controlling such device and a computer readable medium having stored such computer program element. The modification arrangement comprises a cathode, an anode (2) and modification means, e.g. a modification device. The cathode is configured to provide an electron beam (15). The anode (2) is configured to rotate under impact of the electron beam (15) and is segmented by slits (21) arranged around the anode's circumference. The modification means are configured to modify the electron beam (15) when the electron beam (15) is hitting one of the anode's rotating slits (21).