75 results about "Image guided navigation" patented technology

An image guided navigation system for navigating a region of a patient includes an imaging device, a tracking device, a controller, and a display. The imaging device generates images of the region of a patient. The tracking device tracks the location of the instrument in a region of the patient. The controller superimposes an icon representative of the instrument onto the images generated from the imaging device based upon the location of the instrument. The display displays the image with the superimposed instrument. The images and a registration process may be synchronized to a physiological event. The controller may also provide and automatically identify an optimized site to navigate the instrument to.

An image guided navigation system for navigating a region of a patient which is gated using ECG signals to confirm diastole. The navigation system includes an imaging device, a tracking device, a controller, and a display. The imaging device generates images of the region of a patient. The tracking device tracks the location of the instrument in a region of the patient. The controller superimposes an icon representative of the instrument onto the images generated from the imaging device based upon the location of the instrument. The display displays the image with the superimposed instrument. The images and a registration process may be synchronized to a physiological event.

A flexible endoscope for ophthalmic orbital surgery includes a flexible probe housing having a proximal end, a distal end and a lumen extending between the proximal end and the distal end. The endoscope also includes an image fiber disposed in the lumen that communicates image information from the distal end of the flexible probe, a purge fluid/gas port disposed at the proximal end of the flexible probe that accepts purge fluid/gas and a purge fluid/gas conduit disposed in the lumen and in fluid communication with the purge fluid/gas port. The fluid/gas conduit delivers purge fluid/gas to the distal end of the endoscope. The endoscope also includes an access conduit disposed in the lumen that receives one of an ablation instrument, a coagulating instrument and a medication delivery instrument.

An image guided navigation system comprises a memory, a locator, a processor and a display. The memory stores a plurality of CT images and a software program. The locator is capable of indicating a direction to a surgical area, and the indicated direction of the locator is defined as a first direction. The processor is electrically connected to the memory and the locator. At least one corresponding image corresponding to the first direction is obtained from the plurality of CT images by the processor executing the software program. The at least one corresponding image comprises at least one simulated fluoroscopic image. The display is capable of showing the at least one corresponding image.

A navigation system for catheter-based interventions, the system comprising a processing device; an angiogram x-ray system connected by data transfer connection to the processing device and capable of capturing angiographic images of a patient; an electrocardiogram monitoring device that is also connected by data transfer connection to the processing device and to the x-ray system; a medical instrument to be inserted into the area of the patient captured by the angiographic image; a position capture module for getting position information about the position of the medical instrument, the unit connected by data transfer connection to the processing device, wherein the processing device is capable of triggering the capturing of the angiographic images as a roadmap and superimposing on the roadmap the position information about the medical instrument.

The present invention pertains to a remote center of motion robot for medical image scanning and image-guided targeting, hereinafter referred to as the “Euler” robot. The Euler robot allows for ultrasound scanning for 3-Dimensional (3-D) image reconstruction and enables a variety of robot-assisted image-guided procedures, such as needle biopsy, percutaneous therapy delivery, image-guided navigation, and facilitates image-fusion with other imaging modalities. The Euler robot can also be used with other handheld medical imaging probes, such as gamma cameras for nuclear imaging, or for targeted delivery of therapy such as high-intensity focused ultrasound (HIFU). 3-D ultrasound probes may also be used with the Euler robot to provide automated image-based targeting for biopsy or therapy delivery. In addition, the Euler robot enables the application of special motion-based imaging modalities, such as ultrasound elastography.

An on-image navigation guide can be generated utilizing coordinates of table data of a table in a document image. The on-image navigation guide enables a user to populate a data entry form with the table data by interacting directly with the document image. The data entry form is configured with the same number of columns as the table and the document image and the data entry form share the same data structure. The on-image navigation guide is presented on top of the document image. As a user navigates the document image, a focus point of the on-image navigation guide moves from table cell to table cell, providing an immediate visual feedback on what is captured in a corresponding data entry field. The on-image navigation guide includes an on-image context menu and a pin through which the user can make adjustments and/or corrections without leaving the document image.

Provided is a method of image-guided navigation comprising determining a final navigated point in a three-dimensional reconstructed coordinate system based at least partially on two or more navigated points in a coordinate system associated with a two-dimensional array of image pixels and without specifying a coordinate of each of the two or more navigated points in a direction orthogonal to the two-dimensional array of image pixels, wherein each of the two or more navigated points is for a different position of a C-arm gantry. Also provided is an image-guided navigation system.

An estimate image is generated from a position and an angle of a camera and the estimate image is stored. A collating unit collates an estimate image with a scenery image, and corrects estimate values of a position and angles of the camera according to a result of the collation. An indication image generating unit generates an indication image by processing indication information stored in an indication information storing unit, based on position information that shows a position of the camera and angle information that shows angles of the camera after the correction processing stored in a position and angle information storing unit.

The invention discloses a high-precision image navigation positioning method based on a local neighborhood map, and belongs to the field of visual navigation. The method specifically comprises two stages of an offline map surveying and mapping stage and a navigation positioning stage, and specifically comprises the following steps of: acquiring original data; establishing a visual position map 1 and a geographic position map 2; constructing a visual/geographic coordinate mapping table; calculating the position of a current frame image under a visual coordinate system; extracting a neighborhoodcoordinate mapping table; and calculating similar transformation model parameters, and obtaining carrier position information through the parameters. The decimeter-level dynamic positioning precisioncan be achieved. A navigation map is established offline, and the map is used for carrying out online real-time navigation positioning of a carrier, so that vehicle-mounted autonomous navigation positioning is carried out only depending on images, and the decimeter-level dynamic positioning precision is achieved.

Provided is an apparatus for geometrically correcting an image from a geostationary remote sensing satellite, the apparatus being configured to perform the image navigation and registration on image data from a geostationary remote sensing satellite. The apparatus includes the landmark determination part configured to acquire landmark information associated with a first image and the navigation filter configured to calculate a state vector for correcting at least one of the attitude error, the orbit error, and the payload misalignment error with respect to the first image based on the landmark information.

The invention relates to an intelligent vehicle searching method and device, a mobile terminal, a vehicle-mounted terminal and a system. The method comprises the steps of obtaining position information of a mobile terminal and position information of a target vehicle when an intelligent vehicle searching function of the mobile terminal is started; obtaining the distance between the mobile terminaland the target vehicle according to the position information of the mobile terminal and the position information of the target vehicle; and when the distance is greater than or equal to a first preset distance threshold, entering a remote vehicle searching mode, displaying image navigation information from the mobile terminal to the target vehicle, and/or playing voice navigation information fromthe mobile terminal to the target vehicle. By adopting the method, the user can be helped to quickly locate the target vehicle parked in the distance, so that long-distance vehicle searching is realized, and the vehicle searching efficiency is improved.

The invention discloses an unmanned aerial vehicle charging supply positioning method. The method comprises the steps of 1 constructing a wireless charging platform of an unmanned aerial vehicle; 2 setting a beacon for the unmanned aerial vehicle to identify; 3 acquiring image coordinates of the beacon center and guiding the unmanned aerial vehicle to land autonomously; 4 coarse positioning of theunmanned aerial vehicle on the wireless charging platform; 5 accurately positioning the unmanned aerial vehicle on the wireless charging platform; 6 positioning a transmitting coil; and 7 self-checking of the position of the transmitting coil. According to the invention, the unmanned aerial vehicle is guided to land on the top plate of the wireless charging platform in an autonomous landing modeof image navigation and single-light-source assisted positioning; the center coordinates of the unmanned aerial vehicle and a receiving coil are accurately obtained through perspective transformationand laser scanning; a two-axis sliding table is used for controlling a wireless charging transmitting coil to move; high-precision alignment between coils is achieved; coil position self-checking is carried out through charging efficiency maximization; and the charging supply positioning of the unmanned aerial vehicle is high in speed and good in effect.

The invention provides an image navigation method and a navigation facility. The method includes: calling a navigation image used for indicating the road in a specified geographical area and displaying the navigation image. The navigation image is made according to a navigation image making strategy corresponding to the road. The technical proposal provided in the invention flexibly adopts different image making modes to make a navigation image, thus satisfying the requirements in such aspects as user experience, navigation efficiency, making complexity, production cost, and the like.

A method for restoring navigation failure information in a fluoroscopy-based imaging system is disclosed. The method includes obtaining a plurality of receiver navigation information using a calibration target rigidly attached to a supporting member of the imaging system. The calibration target may include a plurality of receivers providing navigation information and the supporting member may be a C-arm. The method identifies a navigation failure and corresponding to the navigation failure a calibrated receiver navigation information is generated. The calibrated receiver navigation information is generated using a calibration information and a C-arm imaging position obtained during navigation failure. A receiver navigation information corresponding to the navigation failure is estimated using the calibrated receiver navigation information, and a transmitter navigation information. Also disclosed is a restoration unit for restoring navigation failure information in a fluoroscopy-based imaging system and a fluoroscopic imaging system using the restoration unit.

Systems and methods for navigating between images of multiple exams using gestures performed on a touch sensitive input device.

In the present invention, a system and associated method is provided for image-guided navigation during a medical procedure. The system includes a movable gantry having an X-ray source, an X-ray detector and a laser disposed on the detector offset from the area of the detector receiving the beam from the source, a movable table and a system controller operably connected to the gantry, the X-ray source, the X-ray detector, the laser and the table. In the method, the controller determines an optimal trajectory for the insertion of an interventional device into the body to intersect the target, positions the gantry to locate the laser at a point where a laser beam is emitted from the laser along the optimal trajectory outside of the X-ray beam, and takes additional images during the procedure to show the position of the interventional device in the body as compared with the optimal trajectory.

The invention discloses a prostate puncture surgical robot based on ultrasonic image navigation. The prostate puncture surgical robot comprises a seven-degree-of-freedom pose adjusting mechanism and a three-degree-of-freedom supporting frame mechanism. Wherein the posture adjusting mechanism comprises a posture adjusting module capable of realizing accurate positioning, a probe adjusting module for controlling the probe to automatically position, rotate and feed, and an end effector for realizing a puncture function. The posture adjusting module adopts a multi-joint coupling algorithm to control a remote center motion point, two rotating plates are restrained through rotation to form a connecting rod mechanism, and the angle between the two rotating plates is changed through driving of a holder motor, so that virtual fixation of the remote center motion point is achieved. The supporting frame mechanism for achieving large-range movement of the pose adjusting mechanism in the space comprises a moving module for achieving X-axis and Y-axis movement and a lifting module for achieving Z-axis up-down lifting. Under ultrasonic image navigation, automatic rotary feeding and pose adjustment of the ultrasonic probe can be achieved, accurate positioning is carried out, a large-range prostate scanning view can be obtained, the biopsy tissue sampling range can be expanded, meanwhile, automatic needle insertion of a puncture needle can be achieved, fatigue of doctors can be effectively relieved, and the working efficiency of the doctors is improved. And the surgical precision, the surgical efficiency and the surgical safety are improved to a certain extent.