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404results about How to "Mark accurately" patented technology

Device and method for safe location and marking of a biopsy cavity

Cavity and sentinel lymph node marking 412 devices, marker delivery devices, and methods are disclosed. More particularly, upon insertion into a body, the cavity marking device and method enable one to determine the center, orientation, and periphery of the cavity by radiographic, mammography, echogenic, or other noninvasive imaging techniques. A composition and method are disclosed for locating the sentinel lymph node in a mammalian body to determine if cancerous cells have spread thereto. The composition is preferably a fluid composition consisting of a carrier fluid and some type of contrast agent; alternatively, the contrast agent may itself be a fluid and therefore not need a separate carrier fluid. This composition is capable of (1) deposition in or around a lesion and migration to and accumulation in the associated sentinel node, and (2) remote detection via any number of noninvasive techniques. Also disclosed is a method for remotely detecting the location of a sentinel node by (1) depositing a remotely detectable fluid in or around a lesion for migration to and accumulation in the associated sentinel node and (2) remotely detecting the location of that node with a minimum of trauma and toxicity to the patient. The composition and method may serve to mark a biopsy cavity, as well as mark the sentinel lymph node. The marking methods also may combine any of the features as described with the marking device and delivery device.
Owner:DEVICOR MEDICAL PROD

Video playing method, device, terminal and storage medium

ActiveCN107820138AImprove video playback mode singleOptimize video playbackSelective content distributionSpecial data processing applicationsComputer graphics (images)Computer terminal
The embodiment of the invention discloses a video playing method, a device, a terminal and a storage medium. The method comprises the following steps of acquiring a to-be-processed video; inputting the to-be-processed video into a video marking model so as to mark the character combination label of the to-be-processed video, wherein the video marking model is a model which is trained according toa video sample set; and playing the to-be-processed video according to the character combination label. According to the technical scheme, a video clip containing the character combination label can be accurately marked. The to-be-processed video is played according to the character combination label. The single phenomenon of the video playing mode is improved, and the video playing mode is optimized.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD

Ultraviolet laser processing device

The invention discloses an ultraviolet laser processing device which comprises an ultraviolet laser, a galvanometer system and a focusing lens. A beam split sheet is arranged on a light path between the ultraviolet laser and a galvanometer X, a coaxial visual system is further arranged above the beam split sheet, and a coaxial power source is arranged on one side of workpieces to be processed; ultraviolet laser beams emitted by the ultraviolet laser are horizontally emitted to the beam split sheet, transmitted by the beam split sheet, totally reflected by the galvanometer system, refracted by the focusing lens, and finally gathered to the workpieces to be processed; and light emitted by the light source is projected to the workpieces to be processed, then sequentially refracted by the focusing lens, and totally reflected by the galvanometer system to form parallel light, then the parallel light is emitted to the beam split sheet, totally reflected by the beam split sheet and finally captured and imaged by the coaxial visual system, and an industrial control computer regulates a deviation angle of the galvanometer X and a galvanometer Y in the galvanometer system according to imaging data. The ultraviolet laser processing device is high in processing accuracy and capable of accurately marking and cutting the workpieces to be processed.
Owner:SHENZHEN HYMSON LASER INTELLIGENT EQUIP CO LTD

Spherical space division-based coronary artery automatic segmentation and anatomic marking method

ActiveCN106097298AAnatomically Accurate Nomenclature MarkersLong computation time to solveImage analysisBlood vesselPerformed Imaging
The invention discloses a spherical space division-based coronary artery automatic segmentation and anatomic marking method. The method comprises the following steps of (1) performing image preprocessing: obtaining a coronary artery segmentation image and a central line; (2) performing a pruning operation; (3) defining a spherical center and a spherical space; (4) executing a division rule of left and right coronary arteries; (5) executing a left coronary artery anatomic naming algorithm; and (6) executing a right coronary artery anatomic naming algorithm. According to the method, a spherical coordinate system is established by taking a vessel divergence point as the spherical center through utilizing characteristics of a heart-shaped inverted cone, and the blood vessel is located and dissected in the spherical space according to anatomic shapes of branch segments of the coronary arteries and a geometric structure relationship among the anatomic shapes, so that the purposes of automatic segmentation and anatomic marking are achieved; the problems of relatively long calculation time, relatively high algorithm complexity and inaccurate branch matching caused by incapability of exhausting coronary artery distribution types in an existing coronary artery automatic segmentation and anatomic marking method are solved; and compared with a method for matching the extracted blood vessel with a prior model, the spherical space division-based coronary artery automatic segmentation and anatomic marking method has the advantages that the time is shortened, the marking is accurate, and more segments can be identified and marked.
Owner:ARMY MEDICAL UNIV

Multi-planar variable geometry zigzag cut articulating drilling system

An articulating drill system is provided that includes a hand-held portion and a drill portion. At least two actuators are provided for controlling at least two axes of the drill portion. A navigation system is provided to control the at least two actuators. In some embodiments, a tool is provided with the drill portion and adapted to interact with patient tissue. The drill portion can be modified to include at least two rigid objects in communication with the actuators and attached to the drill portion. The system can be used to make any linear cut within a deviation of 1.0 mm and 1.0?, or better in patient tissue.
Owner:THINK SURGICAL

Method and apparatus to mark an incision

An apparatus and method for precisely marking a surgical incision. A surgical knife contains a cutting blade which terminates proximally with a flat shoulder that is perpendicular to the cutting edge and contains a bioreactive stain dried thereon. In use, the surgical knife is inserted by the surgeon into the tissue of interest, up to the shoulder. The shoulder is then briefly placed against the incised tissue until the stain is rehydrated. The stain is then drawn from the knife to the tissue by capillary action, thus marking the site of the incision.
Owner:SURGICAL SPECIALTIES CORP

Imaging log image solution cave information picking method based on connected domain equivalence pair processing

The invention discloses an imaging log image solution cave information picking method based on connected domain equivalence pair processing, and belongs to the field of imaging log image solution cave information picking. The method comprises following steps: A. quantitatively marking connected domains of imaging log image solution caves based on equivalence pair processing, and picking parameter information of each connected domain, wherein the parameter information includes the length, the width, the circumscribed circle radius, the inscribed circle radius, the circularity and sorting coefficients of the connected domain; and B. layering an imaging log image based on solution cave development degrees reflected by surface porosity curves. The beneficial effects of the method are that an image connected domain marking algorithm based on equivalence pair processing is advantaged by rapid speed and non-repeated marking, and the solution cave connected domains can be accurately marked in a binary image by the use of the algorithm, so that object information of each connected domain can be picked, wherein the object information includes the cave size, the sorting coefficients, connected domain areas (surface porosities), the circularity and the like.
Owner:SOUTHWEST PETROLEUM UNIV

Checking device and method for continuous materials

The invention discloses a method and device for detecting materials continuously, which is presented for solving the problem associated with prior technology that it is impossible to carry out accurate detection. The device comprises a sensing platform or a spot platform, a feeding assembly and an inspection assembly. The detecting method in the invention comprises the following: the feeding assembly feeds the material to be detected continuously; the inspection assembly looks for the coordinate of any defective point (Xn, Yn) by a triggering or scanning way; the defective point (Xn, Yn) is displayed in a computer, a defective-point table makes record; the records in the defective-point table are sent to different processing stations. The invention can accurately mark the defective point (Xn, Yn) in a fabric by a light pen, trigger or scanning rod in conjunction with a sensing platform or a spot platform, is good for processing in the downstream, and can reduce loss and processing procedure.
Owner:陈明泽
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