Abstract: A surgical navigation system having one or more magnetoresistance sensors, where the sensors have the noise and dynamic range appropriate for electromagnetic position and orientation tracking. The surgical navigation system comprising at least one magnetoresistance reference sensor rigidly attached to an anatomical reference of a patient, at least one magnetoresistance sensor attached to at least one device, and at least one processor for determining the position and orientation of the at least one device.

Abstract: A system for integrating radiolucent tracking sensors in a medical table, table mat, or surgical drape of a surgical navigation system, allowing the surgical navigation system to be less obtrusive in a surgery environment. A plurality of radiolucent magnetoresistance sensors are integrated into a table, table mat, or surgical draping of a surgical navigation system for improving surgical navigation workflow and eliminating image artifacts from intraoperative images. The plurality of radiolucent magnetoresistance sensors may be located within a table or adjacent to a table surface.

Abstract: A magnetoresistance sensor for use in a position and orientation tracking system includes an insulating substrate, a pattern of a metal material and/or a semiconductor material deposited on a surface of the insulating substrate, and a bias magnet material deposited over the alternating pattern of a metal material and a semiconductor material. The position and orientation tracking system includes at least one magnetoresistance reference sensor attached to a fixed object, at least one magnetoresistance sensor attached to an object being tracked, and a processor coupled to the at least one magnetoresistance reference sensor and the at least one magnetoresistance sensor.

Abstract: Provided herein are devices, systems, and methods for multimodal optical imaging. The devices include a filter assembly that is capable of rotary action during real time image acquisition. The systems include such filter assemblies, which are detachable or integrated in the systems. The methods include techniques for capturing image targets using multiple light sources such as white light and fluorescent light.

Abstract: Provided herein are devices, systems, and methods for multimodal optical imaging. The devices include a filter assembly that is capable of rotary action during real time image acquisition. The systems include such filter assemblies, which are detachable or integrated in the systems. The methods include techniques for capturing image targets using multiple light sources such as white light and fluorescent light.

Abstract: Systems, methods and apparatus are provided through which in some embodiments a lateral motion of an imaging device is provided by at least one friction reduction device that provides motion in a direction that is lateral to main wheels of the imaging device.

Abstract: Certain embodiments of the present invention provide a system for coordinating a radiological imaging subsystem with a component including: a first communication device located on the radiological imaging subsystem; and a second communication device located on the component, wherein the first and second communication devices are capable of communicating to indicate a positional relationship between the radiological imaging subsystem and the component. In an embodiment, the component includes an imaging table. In an embodiment, at least one range of motion of the radiological imaging system is determinable based at least in part on the communicating to indicate a positional relationship. In an embodiment, the at least one range of motion of the radiological imaging system includes at least one range of motion of a gantry.

Abstract: In a method for generating a synthetic wavelength, particularly for an interferometric distance measuring setup, with a primary laser source defining a primary frequency U0 and at least a first sideband frequency U1 of the primary frequency U1, laser radiation with the first sideband frequency O1 and a corresponding first wavelength is provided wherein the first sideband frequency U1 is continuously shifted, particularly by modulating the primary laser source. The synthetic wavelength is generated by combining the first wavelength and a second wavelength which is defined by the primary laser source, particularly by superposition.

Abstract: Certain embodiments provide systems and methods for gantry support. Certain embodiments provide a mobile imaging system. The system includes a base and a gantry member moveably attached to the base. The gantry member includes an imaging source. The system also includes a gantry support positioned on the base for supporting the gantry member. The gantry support contacts the gantry member at one or more points in a range of motion for the gantry member. Certain embodiments provide a method for gantry member stabilization. The method includes providing a gantry support on a gantry base to provide support for an imaging system gantry member. The imaging system gantry member is attached to the gantry base. The method further includes positioning the gantry support with respect to the gantry member to support the gantry member along at least a portion of a path of movement of the gantry member.

Abstract: The invention relates to a method for interferometric absolute distance measuring by a frequency modulation electromagnetic radiation on at least one measurable target and for subsequently receiving a retransmitted radiation with a heterodyne mixture, wherein the radiation is guided in a parallel direction via a reference interferometric length. In such a way, a first digitized interferogram of the radiation retransmitted by the target and a second digitised interferogram of the radiation guided on the reference length are obtainable at a reception. According to phase progression data of the second interferogram, a virtual interferogram or a phase progression thereof is synthesized and the distance determination is carried out by comparing the progression face data of the first interferogram with the progression face data of the virtual interferogram.

Abstract: An electro-optical range finder (4) having a trapezoidal laser (1) as a laser source, a laser source controller (6) for generating pulsed laser radiation, receiving optics (7) and a detector (8) with an evaluation unit (9) for receiving and evaluating the measuring radiation (RS) reflected by a target (ZI), in order to measure distance, has a separate supply for the guided waveguide region (2) and the trapezoidal region (3) as well as transmitting optics (5) with astigmatism compensation and for collimating the laser radiation.

Abstract: Embodiments provide apparatus for medical imaging which includes: a base assembly including a set of wheels for rolling movement on a floor to transport the base assembly between locations; an imaging assembly for imaging the subject; and a movable support assembly connected between the base assembly and the imaging assembly for supporting the imaging assembly on the base assembly and for extending and retracting the imaging assembly from the base assembly. Embodiments provide apparatus for medical imaging wherein overall length of the apparatus with the imaging assembly extended exceeds overall length with the imaging assembly retracted.

Abstract: Methods and systems of acquiring images with a medical imaging device are provided. The method includes tracking a region of interest (ROI) location through a tracking system. Further, the method includes acquiring a first image of an object with the medical imaging device. In addition, the method includes indicating a virtual ROI location on the first image that corresponds to the ROI location. Further, the method includes moving the medical imaging device and determining the movement of the ROI location through the tracking system. The medical imaging system is moved, in order to acquire another image from a perspective that is different from that of the first image. In addition, the method includes correlating the movement of the ROI location with a shift of the virtual ROI location on the first image. Furthermore, the method includes shifting the virtual ROI location on the first image according to the correlation of the movement of the ROI location.

Abstract: A distance measuring method for detecting the spatial dimension of at least one target by at least one emission of a multiplicity of light pulses, in particular laser light, towards the target, detecting the light pulse scattered back by the target by means of a multiplicity of distance measuring pixels and eliminating the distance to the target for each pixel, wherein each light pulse can be detected within a measuring interval Ti from at least two partial intervals ti,j and the detection of at least one repetition constitutes a detection step performed in at least two stages wherein the measuring interval Ti is shortened from stage to stage.

Abstract: A system for monitoring an activity of a patient is provided. The system includes at least one electromagnetic transmitter configured to transmit at least one electromagnetic signal, and at least one electromagnetic receiver configured to receive at least one electromagnetic signal. The system further includes a processor configured to determine at least one position and at least one orientation of at least one electromagnetic transmitter with respect to at least one electromagnetic receiver to determine the activity of the patient.

Abstract: A system and method are disclosed for monitoring environmental conditions of a perishable product. The system includes an environmental sensor configured to sense one or more environmental conditions of the perishable product and an analog integrator in communication with the environmental sensor, the analog integrator being formed on a polymer substrate and including one or more tunable components. The system also includes a comparator in communication with the analog integrator and configured to change state when an output of the analog integrator reaches a selected threshold level, and a control module in communication with the comparator and the analog integrator. The control module is configured to control the operation of the analog integrator based on an output of the comparator.

Abstract: Embodiments of the present application relate generally to methods and apparatus for relating information in a form either machine-readable, human-readable, or some combination thereof. More particularly, although not exclusively, these embodiments are concerned with the display of information on a smart active label or smart packaging where low power and low cost are significant considerations. In some embodiments, display methods are based on electronic, electromechanical, electrochemical, and combinations thereof configured or manufactured using printing techniques, micro-electromechanical system (MEMS) techniques, or combinations thereof to achieve high reliability, low cost, and low activation energies. The embodiments described above can provide an accurate and low-cost apparatus and method for relating the information obtained by smart active labels and smart packages.

Abstract: Certain embodiments of the present invention provide systems and methods for image composition. Certain embodiments include acquiring a first image of an object using an imager, obtaining first positional information for the imager with respect to the object, acquiring a second image of the object using the imager, obtaining second positional information for the imager with respect to the object, and creating a composed image using the first and second images. A spatial relationship between the images is maintained using the positional information. A composed image may be created by constructing a memory map of image data related to the object and inserting the images into the memory map based on the positional information, for example. A composed image may be created by combining the images based on the positional information, for example.

Abstract: A system provides a multi-axis translation and orientation capability for optical imaging. The system includes an optical imaging apparatus providing a signal representing a digitized image, and a mechanical frame. The frame includes a first set of articulations capable of independently translating the optical imaging apparatus in multiple linear directions. The system also includes a second set of articulations formed as joints providing at least three independent degrees of rotation of the optical imaging apparatus. The system also provides an opening configured to permit the frame to be postured about a patient such that an isocenter corresponds to a region of interest of the patient, and includes an illumination source attached to the frame and configured to direct illumination towards the isocenter. The system also comprises a camera system co-located with the illumination source and having a focal plane at the isocenter.

Abstract: A system for communicating video data is described. The system includes a mobile imaging system, at least one monitor fixed to a room in a medical facility, and a video transmitter assembly coupled to the mobile imaging system to transmit a video signal. The system for communicating video data also includes a video receiver assembly coupled to the at least one monitor to receive the video signal and display the video signal on the at least one monitor.