Abstract: A method for radiographic imaging of a body cavity includes imaging the body cavity using computerized tomography (CT) to form a CT image, registering a tracking system with the CT image, inserting into the body cavity a guidewire, including a position sensor, operating in the tracking system, attached to a distal end of the guidewire, in response to signals from the position sensor acquired by the tracking system, displaying a position of the distal end of the guidewire on the CT image. The method further includes assigning voxels within a predefined imaging volume relative to the distal end and having a radiodensity less than a predetermined threshold to have a uniform radiodensity of a predefined default value, incorporating the voxels with the assigned predefined default value into the CT image so as to form an updated CT image, and displaying the updated CT image.

Abstract: An endoscope apparatus includes: an operation unit through which recording of an image acquired by an image pickup device can be instructed; and a controller configured to perform control to record, in a main recording unit, a first image acquired by the image pickup device when the image recording is instructed through the operation unit and record, in a sub recording unit, a second image acquired by the image pickup device irrespective of whether the image recording is instructed through the operation unit.

Abstract: A trackable guidewire apparatus and method for use are described. Longitudinally spaced proximal and distal guidewire ends are separated by a guidewire body. A plurality of longitudinally spaced position sensors are configured to provide signals corresponding to a three-dimensional position of at least one position sensor in a coordinate system of an associated tracking system in response to an electromagnetic field/stimulus. At least one retention mechanism is provided for maintaining the medical device in a predetermined retention position longitudinally along the guidewire body. At least one stop structure is provided in a predetermined stop position longitudinally along the guidewire body.

Abstract: In a method and magnetic resonance (MR) apparatus for monitoring an interventional procedure with an intervention tool in a vessel of an examination subject, the intervention tool is moved in an insertion direction in the vessel and the position of a front end of the intervention tool in the insertion direction is determined. A first volume segment is determined dependent on the position and the flow direction of a fluid within the vessel. An RF saturation pulse is radiated into the first volume segment that saturates nuclear spins in the fluid within the first volume segment. MR data are acquired in a second volume segment, which contains the front end of the intervention tool and a region in front of the intervention tool in the insertion direction. An MR image is generated from the acquired MR data.

Abstract: The disclosure provides a background suppression method and a detecting device in automatic optical detection for a display panel, wherein the background suppression method includes the following steps: S1: collecting a pure color image of the display panel; S2: performing multi-level wavelet decomposition on the pure color image to obtain a series of high-frequency sub-bands and low-frequency sub-bands; S3: performing coefficient smoothing process on high-frequency sub-bands in multiple directions of each level, and performing contrast enhancement process on each level of low-frequency sub-bands; S4: the processed high-frequency sub-bands and the processed low-frequency sub-bands are subjected to wavelet reconstruction to obtain a defect image after background suppression.

Abstract: A current measurement device includes a low frequency measurement sensor configured to measure a magnetic field, a high frequency measurement sensor configured to measure the magnetic field and configured to generate a magnetic field for canceling the magnetic field applied to the low frequency measurement sensor, a magnetism sensing direction of the low frequency measurement sensor and a magnetism sensing direction of the high frequency measurement sensor being substantially parallel to each other, a negative feedback circuit configured to control a current flowing through the high frequency measurement sensor based on the magnetic field measured by the low frequency measurement sensor, a low pass filter configured to adjust a frequency characteristic of the current controlled by the negative feedback circuit, and an outputter configured to output a measurement value of the current to be measured based on the current flowing through the high frequency measurement sensor.

Abstract: For liver modeling from medical scan data, multiple modalities of imaging are used. By using multiple modalities of imaging in combination with generative modeling, a more comprehensive and informed assessment may be performed. The generative modeling may allow feedback of effects of proposed therapy on function of the liver. This feedback is used to update the liver function information based on the imaging. Based on the computerized modeling with information from various imaging modes, an output based on more comprehensive information and patient personalized modeling and feedback may be provided to assist the physician.

Abstract: A personal display apparatus includes a dual-use transparent plate, a detector, and electronic circuitry. The dual-use transparent plate is configured to be worn by a user while the user is viewing a scene, to block, at least partially, X-rays from passing through the transparent plate and reaching an eye of the user, and to display information to be viewed by the user overlaid on the scene. The detector is coupled to the transparent plate and is configured to measure a level of the X-rays. The electronic circuitry is connected to the transparent plate and to the detector, and is configured to exchange display signals with the transparent plate so as to display the information, and to send a control signal indicative of the level of the X-rays measured by the detector.

Abstract: An add-on device for use in combination with a stereotactic apparatus is herein disclosed, the device including a stereotactic adapter, an optical support comprising lenses and a display support adapted to accommodate a virtual reality display. The stereotactic adapter can adapt to different commercial models of stereotactic systems, and is particularly intended for implementing a method for conducting cognitive and/or behavioral tests in subjects during neurosurgery, wherein a virtual reality stimulus is provided to said subject during awake phases of neurosurgery.

Abstract: A robotic surgical system includes a robotic surgical assembly and a control assembly. The robotic surgical assembly includes a robotic actuation assembly, a processing device, and a first communication device. The robotic actuation assembly includes a robotic arm. The processing device is configured to instruct the robotic actuation assembly to perform a task based on a set of instructions. The first communication device is operable to transfer the set of instructions to the processing device. The control assembly includes a second communication device and a user input device. The second communication device is operable to communicate the set of instructions to the first communication device. The user input device assembly is configured to generate the set of instructions and send the set of instruction to the second communication device. At least a portion of the instructions are based on positioning of the user input device within three-dimensional space.

Abstract: A computer-implemented technique is described herein for discriminatively apprising the user of the existence of some, but not necessarily all, physical objects in a physical environment in the course of the user's interaction with a virtual environment. In operation, the technique allows the user to selectively identify one or more objects-of-interest, such as people, walls, computing devices, etc. The technique then uses a scene analysis component to automatically detect the presence of the selected objects-of-interest in the physical environment, while the user interacts with the virtual environment. The technique provides alert information which notifies the user of the existence of any objects-of-interest that it detects. By virtue of the above-summarized strategy, the technique can apprise the user of objects-of-interest in the user's vicinity without cluttering the user's virtual experience with extraneous information pertaining to the physical environment.

Abstract: A position determination apparatus for determining the position of a working element arranged within an object having an inner structure with respect to a model of the object. The position and shape of a registration element within the inner structure of the object are provided and used for determining a transformation relating the inner structure of the model and the position and shape of the registration element with respect to each other, wherein the position of the working element with respect to the model is determined depending on a provided spatial relation between the working element and the registration element and the determined transformation.

Abstract: A method for updating a patient registration during a surgical procedure is disclosed. The surgical procedure uses an optical navigation system for optically tracking a patient reference object in a real world space and includes intra-operatively acquiring a first set of image data depicting a region of interest on the patient while the first registration is intact. The region of interest includes at least one anatomical landmark. The method includes: detecting that the first registration has been lost; obtaining a second set of image data depicting the region of interest; identifying a transform based on the first set of image data and the second set of image data; and applying the identified transform to data points of the first registration to obtain data points for the updated patient registration.

Abstract: Disclosed is a medical data processing method for determining control data for an automated movement of a robotic system (1) to move a tool operatively associated with the robotic system (1), wherein the method comprises executing, on at least one processor of at least one computer (4), steps of: a) acquiring (S1) image data describing an image of an anatomical structure of a patient; b) determining (S2) planned position data, based on the image data, describing at least one planned position of the tool relative to the anatomical structure of the patient; c) acquiring (S3) status change data describing the change of data a status of the robotic system (1) from a first status to a second status, wherein in the first status a manual movement of at least one part of the robotic system (1) is allowed and in the second status a manual movement of the at least one part of the robotic system is inhibited; d) acquiring (S4) actual position data describing the actual position of an element of the statue change data ro

Abstract: A surgical system includes a surgical tool and a processing circuit. The processing circuit is configured to provide a plurality of virtual haptic interaction points where each virtual haptic interaction point is associated with a portion of the surgical tool such that movement of the surgical tool corresponds to movement of the plurality of virtual haptic interaction points, establish a haptic object that defines a working boundary for the surgical tool, and constrain at least one of the portions of the surgical tool based on a relationship between at least one of the plurality of virtual haptic interaction points and the haptic object.

Abstract: A catheter adapted to determine a contact force, the catheter including a proximal segment, a distal segment, and an elastic segment extending from the proximal segment to the distal segment. The distal segment includes a plurality of tip electrodes including at least three radial electrodes disposed about a circumference of the distal segment. The radial electrodes are configured to output electrical signals indicative of a contact vector of the contact force. The elastic segment includes a force sensing device configured to output an electrical signal indicative of a magnitude of an axial component of the contact force, wherein the contact force is determined by scaling the magnitude of the axial component of the contact force by the contact vector.

Abstract: An angiographic examination method for depicting a target region as an examination object using an angiography system includes capturing a volume data set of the target region with the examination object, registering the volume data set to a C-arm, and extracting information about an assumed course of the examination object in the volume data set. The method also includes generating a 2D projection image of a medical instrument in the target region, 2D/3D merging the 2D projection image and the registered volume data set for generating a 2D overlay image, and detecting the instrument in the 2D overlay image with a first projection matrix. The method includes generating a virtual 2D projection using a virtual projection matrix, 3D reconstructing the instrument, and distorting at least part of the reference image such that the current and the assumed course of vessels are made to be congruent.

Abstract: A surgical system and method includes a surgical instrument configured to wirelessly transmit identifying data specific to the surgical instrument and a console configured to receive the identifying data. The console is configured to register the surgical instrument based on the identifying data, establish a wireless two-way communication link between the surgical instrument and the console, receive at least one of operational data and commands from the surgical instrument, and provide operational feedback data to a user of the surgical instrument during an operation of the surgical instrument based on the at least one of operational data and commands.

Abstract: A system can include a near-field instrument to be placed inside a chamber of a heart, a far-field instrument to be placed in a stable position in relation to the heart, and a control unit. The control unit is configured to identify a unique pattern in electrogram information received from the far-field instrument when the near-field instrument is in one or more positions within the heart. When the unique pattern is detected, the control unit is configured to receive electrogram information from the near-field instrument. While recording electrogram information from the near-field instrument, the control unit is also configured to record voltage and complex fractionated atrial electrogram (CFAE) characteristics of the tissue inside a heart chamber. This information combined with rotor information can be used to identify substrate versus non-substrate rotor characteristics.

Abstract: The invention relates to a positions determination apparatus for determining positions, at which an interventional instrument (3) is located, in a projection image. An input unit (16) allows a user to indicate the position of a tip (23) of the interventional instrument (3) in the projection image, wherein the positions, at which the interventional instrument is located, in the projection image are determined based on the projection image, the indicated tip position and a three-dimensional representation of the interventional instrument, which is defined by its position and shape as determined by a tracking device like an OSS device. By using the projection image, the indicated tip position and the representation the positions in the projection image, at which the interventional instrument is located, can be determined very accurately. Based on these determined positions the projection device and the tracking device can be very accurately registered to each other.

Abstract: A system and method include a shape sensing enabled device too (102) having an optical fiber (126). An interpretation module (115) is configured to receive optical signals from the optical fiber within a structure and interpret the optical signals to determine a shape of the device. An image generation module (140) is configured to receive the shape of the device, register the shape with an image volume of the structure and generate a curved Memory multi-planar reconstruction (CMPR) rendering based on the shape.

Abstract: A system and method for determining location of a tool having a distal end sensor and at least one other sensor is presented. The method includes obtaining data from the distal end sensor, performing convergence on the obtained data, the convergence indicating whether or not the obtained data is disturbed, when the convergence indicates the obtained data is not disturbed, calculate the location of the tool using the obtained data, and when the convergence indicates the obtained data is disturbed, obtaining additional data from the at least one other sensor, performing the convergence on the obtained additional data, and calculating the location of the tool using the obtained additional data.

Abstract: A surgical system includes a robotic device, an end effector mounted on the robotic device, and a processing circuit. The processing circuit is configured to generate a plurality of virtual geometries, each virtual geometry associated with a surgical task, track a position of the end effector, and determine whether the position of the end effector is at a location corresponding to a first virtual geometry of the plurality of virtual geometries. In response to a determination that the position of the end effector is at the location corresponding to the first virtual geometry, the processing circuit is configured to control the robotic device to facilitate completion of a first surgical task associated with the first virtual geometry.

Abstract: Described herein are example methods, devices and systems for motion compensation in ultrasonic respiration monitoring. A respiration detection system includes a first probe placed on a front side of a patient's body and a second probe placed on a dorsal side of the body. The first probe includes an ultrasound transducer, a first accelerometer unit and a magnetic field sensor unit, and the second probe includes a second accelerometer unit and magnetic field sensor unit. Due to respiration of the patient, the abdominal region of the body moves, creating measurement errors when an ultrasound beam is directed towards an internal structure (internal tissue region) inside the patient's body. Correction for such measurement errors uses input data from the first and second accelerometer units and the magnetic field sensor unit.

Abstract: A position detection system includes: a capsule medical device configured to generate a position-detecting magnetic field; a plurality of detection coils arranged outside a subject; and a processor including hardware. The processor is configured to correct a magnetic field component caused by a first magnetic field generation material with respect to each of measurement values of detection signals output from the detection coils, the first magnetic field generation material being arranged inside a space that the position-detecting magnetic field generated by the capsule medical device present inside a detection target region is reachable, the detection target region being a region in which a position of the capsule medical device is detectable, the first magnetic field generation material being configured to generate a magnetic field due to action of the position-detecting magnetic field.

Abstract: An exemplary system, method and computer-accessible medium for determining the pixel variation of a tissue(s) in an image(s) can be provided, which can include, for example, receiving first imaging information related to the image(s), segmenting a region(s) of interest from the image(s), generating second imaging information by subtracting a structure(s) from the region(s) of interest, and determining the pixel variation based on the second imaging information. The tissue(s) can include a liver and/or a pancreas. A treatment characteristic(s) can be determined based on the pixel variation, which can include (i) a sufficiency of the tissue(s), (ii) a response to chemotherapy by the tissue(s), (iii) a recurrence of cancer in the tissue(s), or (iv) a measure of a genomic expression of the tissue(s).

Abstract: A medical device for the diagnosis or treatment of tissue in a body and method for fabricating the same are provided. The device includes an elongate, tubular, deformable shaft comprising a proximal end and a distal end. The device also includes an electronic subassembly (54) disposed within the shaft and a conductor (76, 78) coupled to and extending from the electronic subassembly. The electronic subassembly includes a flexible substrate (72) and an electronic device (74). The flexible substrate comprises an interior side (84) and an exterior side (86) opposite the interior side. The flexible substrate also defines a first conductive area (92, 94). The electronic device is mounted on the interior side of the flexible substrate, is coupled to the first conductive area, and is at least partially enclosed within the flexible substrate.

Abstract: A tracking method is disclosed. The method may include displaying visual content on a screen. A base station may be stationary with respect to the screen while the visual content is being displayed. In contrast, one or more objects may move with respect to the screen while the visual content is being displayed. The one or more objects may be tracked so that the movement thereof may be used to alter the visual content. Such tracking may involve the base station and the one or more objects sending and/or receiving one or more ultrasonic pulses. Time-difference-of-arrival and/or time-of-flight of the one or more ultrasonic pulses may then be used to estimate a relative location and/or a relative orientation of the one or more objects with respect to the base station in three dimensional space.

Abstract: The present disclosure relates to devices, systems and methods for positioning a neuromodulation device at a treatment site and evaluating the effects of therapeutic energy delivery applied to tissue in a patient. Before, during and/or after therapeutic energy delivery, a system can monitor parameters or values relevant to efficacious neuromodulation by emitting and detecting diagnostic energy at the treatment site. Feedback provided to an operator is based on the monitored values and relates to a relative position of the treatment device at the treatment site, as well as assessment of the likelihood that a completed treatment was technically successful.

Abstract: Provided is an information processing system, including a moving image data acquiring unit that acquires moving image data, a communication unit that receives sensor data associated with the moving image data and chronological data corresponding to a shooting time of the moving image data, an image signal processing unit that performs image analysis on the moving image data and generate image analysis result data, and a control unit that generates an interface including the moving image data and graphs of at least two pieces of data among the sensor data, the chronological data, and the image analysis result data.

Abstract: When an image representing an organ in which an excision region has been identified in such a manner that a blood vessel region in the organ is visually recognizable is generated from a three-dimensional image of the organ, an input specifying a depth of cutting is received, and a portion of a boundary surface within the specified depth of cutting along the boundary surface from an outer edge of the boundary surface toward an inside is determined as a cutting surface, and the boundary surface being between the excision region and a non-excision region in the organ. The image representing the organ in such a manner that only a partial blood vessel region, which is present in a neighborhood region of the cutting surface in the blood vessel region of the organ, is visually recognizable is generated from the three-dimensional image.

Abstract: Systems, methods, and computer-readable media for optimizing an electromagnetic navigation system are provided. Multiple test signals corresponding to multiple combinations of phase offset values of a plurality of frequency components, respectively, are generated. Based on the test signals, a table including peak signal amplitudes associated with the respective test signals is generated. A minimum value of the stored peak signal amplitudes is identified in the table. Based on the table, a determination is made as to which combination of phase offset values is associated with the minimum value of the stored peak signal amplitudes. The determined combination of phase offset values is stored in a memory for use, during an electromagnetic navigation procedure, in generating a signal including the frequency components having the determined combination of phase offset values, respectively.

Abstract: A system and method for tracking an invasive device includes a localization system configured to be externally attached to a patient. The localization system includes a transducer module including a plurality of transducer elements. The system and method includes an invasive device including at least one device transducer element. The invasive device is configured to either transmit ultrasound position signals to the transducer module or receive ultrasound position signals from the transducer module.

Abstract: Disclosed is a concept for computer-assisted procedures of surgery and diagnosis that target rigid, non-deformable anatomical parts such as bone, tissue, or teeth. The disclosure describes attaching small visual markers to instruments and anatomy of interest (e.g. bone surface), with each marker having a printed known pattern for detection and unique identification in images acquired by a free-moving camera, and a geometry that enables estimating its rotation and translation with respect to the camera using solely image processing techniques.

Abstract: According to one embodiment, an X-ray diagnostic apparatus includes an imaging apparatus, processing circuitry and permission input circuitry. The imaging apparatus includes an imaging system performing X-ray imaging of an object, and a bed on which the object is placed. The processing circuitry accepts an instruction to cause the imaging apparatus to perform a operation, and notifies a content of the operation relating to the accepted instruction to a first user. The permission input circuitry accepts information indicating permission of the operation from the first user who has confirmed the content of the operation. The processing circuitry causes the imaging apparatus to perform the operation to more severely restrict the operation compared with after acceptance of information indicating permission of the operation by the permission input circuitry, until the acceptance of information indicating permission of the operation by the permission input circuitry.

Abstract: The present disclosure provides a navigation method and system which does not require a remotely located tracking system, or additional targets or other devices to be installed on the patient or object being tracked. The system uses one flexible component in physical contact with the patient/object and measures relative position as a function of forces that are generated by the flexing component as it is bent. The system translates forces into navigational commands for a robot, other manipulator, or for human manual navigation. A method for transforming a pre-planned motion pathway into a sequence of forces for this mode of navigation is also described. This system is also applicable in the field of manufacturing robotics, where the locations of objects or assemblies may not be precisely known or constant. The method and system disclosed herein can be used to maintain known position of an object/assembly or to navigate movement of a robot relative to an object/assembly as in the case of machining.

Abstract: A medical device configured for diagnosis or treatment of tissues within a body is provided. The device includes an elongate, deformable member configured to be received within a lumen in the body and having proximal and distal ends. A position sensor is disposed at the distal end. In one embodiment, a conductor is wound about the member. The conductor is connected to the position sensor and has a first winding pitch over a first portion of the deformable member and a second winding pitch, different from the first winding pitch, over a second portion of the deformable member. In another embodiment, the member defines a neutral longitudinal axis extending between the proximal and distal ends. A conductor extending between the proximal and distal ends is connected to the position sensor at a connection node on the neutral axis.

Abstract: A system and method for navigating to a target site in a patient is provided. The system includes an extended working channel and a tool usable with an electromagnetic navigation system. In particular, the extended working channel and the tool contain an electromagnetic sensor configured to provide location information within a patient of the extended working channel and the tool to the electromagnetic navigation system. The distance from the tool and the target site can then be determined and displayed to a clinician on a display device.

Abstract: A surgical probe system comprising a surgical probe having a probe needle, a first optical fiber incorporated onto the probe needle, wherein a distal end of the first optical fiber projects a first beam of illumination light over a tip of the probe needle when activated; a second optical fiber incorporated onto the probe needle, wherein a distal end of the second optical fiber projects a second beam of illumination light over the tip of the probe needle when activated; and a third optical fiber incorporated onto the probe needle, wherein a distal end of the third optical fiber projects a third beam of light over the tip of the probe needle to perform a distance measurement between the probe needle and a patient's when activated, wherein the distance measurement is displayed or audibly presented to aid a user in probe positional awareness with respect to the patient's retina.

Abstract: Methods and apparatuses provide improved navigation through tubular networks such as lung airways by providing improved estimation of location and orientation information of a medical instrument (e.g., an endoscope) within the tubular network. Various input data such as image data, EM data, and robot data are used by different algorithms to estimate the state of the medical instrument, and the state information is used to locate a specific site within a tubular network and/or to determine navigation information for what positions/orientations the medical instrument should travel through to arrive at the specific site. Probability distributions together with confidence values are generated corresponding to different algorithms are used to determine the medical instrument's estimated state.

Abstract: Optical shape sensing system using backscatter reflectometry, comprising a broadband light source, an interferometer arrangement comprising a plurality of interferometers configured to perform backscatter reflectometry separately with a corresponding one of a plurality of input light beams divided from the input light and including a multi-core optical fiber, and a detector unit for detecting an output light beam, each interferometer comprising a fiber splitter dividing the corresponding input light beam into a reference beam and a device beam, an additional optical fiber for guiding the reference beam, a corresponding fiber core of the multi-core optical fiber guiding the device beam to be reflected within the medical device and guiding the reflected device beam, and a fiber coupler for coupling the reflected device beam with the reference beam forming the output light beam.

Abstract: A system (102) includes an interventional instrument (104) and an imaging apparatus (106). The interventional instrument includes an interventional instrument event tracking transmitter (116) that transmits an interventional instrument event signal in response to a predetermined interventional instrument event by interventional instrument in connection with an interventional procedure for a region of interest of a subject. The imaging apparatus (106) includes an imager (132) that generates image of the region of interest of the subject. The imaging apparatus (106) further includes a receiver (126) that receives the interventional instrument event signal. The imaging apparatus (106) further includes an instrument event mapper (128) that maps the predetermined interventional instrument event to the image based on the received interventional instrument event signal.

Abstract: The invention provides for a system for estimating a 3-dimensional treatment volume for a device that applies treatment energy through a plurality of electrodes defining a treatment area, the system comprising a memory, a display device, a processor coupled to the memory and the display device, and a treatment planning module stored in the memory and executable by the processor. In one embodiment, the treatment planning module is adapted to generate an estimated first 3-dimensional treatment volume for display in the display device based on the ratio of a maximum conductivity of the treatment area to a baseline conductivity of the treatment area. The invention also provides for a method for estimating 3-dimensional treatment volume, the steps of which are executable through the processor. In embodiments, the system and method are based on a numerical model which may be implemented in computer readable code which is executable through a processor.

Abstract: Augmenting real-time views of a patient with three-dimensional (3D) data. In one embodiment, a method may include identifying 3D data for a patient with the 3D data including an outer layer and multiple inner layers, determining virtual morphometric measurements of the outer layer from the 3D data, registering a real-time position of the outer layer of the patient in a 3D space, determining real-time morphometric measurements of the outer layer of the patient, automatically registering the position of the outer layer from the 3D data to align with the registered real-time position of the outer layer of the patient in the 3D space using the virtual morphometric measurements and using the real-time morphometric measurements, and displaying, in an augmented reality (AR) headset, one of the inner layers from the 3D data projected onto real-time views of the outer layer of the patient.

Abstract: A positioning device for use with a medical device to assist a user in maintaining the medical device in a desired 3-dimensional orientation, having an anchor for releasably attaching the medical device to the positioning device; a laser for generating an indication of orientation on a surface; an accelerometer for providing an indication of orientation relative to gravity; and a display for providing an indication of said orientation to the user to inform the user to adjust a position of the device relative to the desired position.

Abstract: Systems and methods of automatically controlling, on a graphical user interface used by a physician, display views of an anatomic structure of a patient. Such systems and methods of automatically controlling display views of an anatomic structure of a patient can facilitate visualizing a position of a medical device relative to the anatomic structure during a medical procedure directed to the anatomic structure. In certain implementations, the systems and methods of the present disclosure provide automatic display views of a cardiac catheter relative to a three-dimensional model of a patient's heart cavity during a medical procedure such as cardiac ablation.

Abstract: A method includes receiving image data, receiving surgical procedure data, and generating an operation plan. The image data is associated with anatomical structures in a nasal cavity of a patient. The image data and the surgical procedure data are received through a computing system. The act of generating an operation plan includes identifying a path for a surgical instrument in accordance with the image data and in accordance with the surgical procedure data. The act of generating the operation plan is performed through a computing system. The act of generating an operation plan further includes generating one or more instructional images depicting the identified path for the surgical instrument in a depiction of anatomical structures in the nasal cavity of the patient.

Abstract: A system and method for monitoring patient physiological information during an MRI scan sequence is provided. The system includes a monitoring device configured to sense physiological information from a patient. The physiological information may include electrocardiograph signals, electro-anatomical mapping signals, or other information concerning a physiological condition of the patient. The system further includes a control circuit connected to receive signals from the monitoring device and to coordinate output of the electrode during an MRI scan.

Abstract: An adaptor for receiving a navigated structure, wherein the navigated structure is at least a part of a medical object which carries an object reference, and for being connected to a registration tool in order to register the navigated structure in a medical navigation system, the adaptor comprising at least two adaptor parts which, in an assembled state, form a structure receiving recess in the shape of the navigated structure and an adaptor coupling part for connecting the adaptor to the registration tool in a predetermined relative position.

Abstract: A computer-implemented method for guiding an instrument, comprises determining, by a processor associated with a computer, a current orientation angle of an instrument axis relative to a target axis. The method also comprises establishing, by the processor, a haptic boundary associated with the instrument based on the determined orientation angle of the instrument axis relative to the target axis. The haptic boundary is configured to constrain the instrument axis from being moved to an angle substantially greater than the current orientation angle.