62 results about "X-ray films" patented technology

The invention discloses a bone age evaluation method based on bone and joint quantized-information integration of a hand bone X-ray film. The method comprises the following steps: step 1, collecting picture samples of hand bone X-ray films, and classifying the samples according to genders and age stages to obtain grouping information; step 2, labeling and dividing bone and joint positions of the samples; step 3, inputting preprocessed sample images and real position information into the convolutional neural network to carry out iteration training to obtain position information and feature mapsof bones and joints; step 4, calculating morphological feature parameters of the bones and the joints in the samples; step 5, fusing the feature maps and morphological features of the bones and the joints into mixed feature information, and inputting the same and the grouping information together into a convolutional neural network model for iteration training; and step 6, completing model training, and carrying out bone age evaluation application. By utilizing the invention, a bone age can be more simply, conveniently and quickly evaluated on the premise of reducing human factor interference.

The invention provides a medical image examination and diagnosis comprehensive solution system based on an Internet Cloud technology. The medical image examination and diagnosis comprehensive solutionsystem comprises a user ordering examination module, an image obtaining and transmitting module, an image storage and analyzing module, and an image distributing module, wherein the image obtaining and transmitting module is used for obtaining image data, and transmitting DICOM image data by a non-loss compression technology; the image storage and analyzing module is deployed on a cloud server, and is used for analyzing the transmitted DICOM image data; the image distributing module is used for directly sending a DICOM image file to a designated machine of an image working station in a DICOMtransmission protocol, so that a doctor can quickly check the image of a patient at a PC (personal computer) terminal, judge the disease conditions, and form a diagnosis report, and the patient can check on the PC terminal at any time after the report is generated. The medical image examination and diagnosis comprehensive solution system has the advantages that the diagnosis images of the patientcan be stored into the cloud server, so that the cost of a hospital is reduced, and the condition of the patient carrying X-ray films is not needed; the expense is lower, and the amount of touched radiation is lower; the doctor can check the previous examination images of the patient.

The invention discloses a deep learning-based intelligent X-ray film diagnosis method. The method comprises the following steps: image data of chest X-ray films stored in a preset memory are acquired;the image data of the chest X-ray films are augmented in a preset mode; the augmented image data are subjected to preprocessing operation to enable data features to meet a standard; the preprocessedimage data are classified to form a plurality of classification models, and model training is designed for each classification model to generate a model training prediction result; a final CNN featuremap is acquired, and according to the CNN feature map, a thermodynamic map is generated; and according to the model training prediction result of each classification model, an integration result is calculated and obtained. Deep learning on pulmonary disease characteristics in a large number of chest X-ray films can be carried out, multiple pulmonary diseases can be accurately predicted, a diagnosis basis is provided, the prediction time is greatly less than manual diagnosis time, and the time of a doctor is saved.

An apparatus for stacking a predetermined number of X-ray films has a sheet member holding device disposed above a stacking position for temporarily holding at least a first X-ray film, and an actuating device for displacing the sheet member holding device from the stacking position to drop the X-ray film held by the sheet member holding device into the stacking position. The apparatus is capable of stacking a plurality of X-ray films highly accurately and efficiently in the stacking position while avoiding damage to the X-ray films.

The invention discloses a method for realizing the fusion of an area-of-interest of a CT tomoscan and a CT locating card, which includes the steps: the position information of the plane in which the CT locating card is positioned is obtained; the position information and three-dimensional data of the plane in which the CT tomoscan is positioned are obtained; the position information of the area-of-interest is obtained based on the three-dimensional data of the tomoscan; the position information of the area-of-interest is utilized for projecting the area-of-interest on the plane of the CT locating card; and an image obtained from the projection is utilized and fused with the CT locating card. The extracted area-of-interest can be fused on the image of the CT locating card so as to provide richer information for the diagnosis of a doctor. To a certain extent, the method replaces the purposes of X ray films and expands the application value of the CT locating card.

The present invention relates to autoradiographic marking devices. In particular, the present invention provides compositions useful for marking X-ray films.

An X-ray film package includes a protective cover for sandwiching plural X-ray films stacked on one another, to obtain a cover-fitted sheet stack. A packaging bag contains the cover-fitted sheet stack. A packaging case contains the packaging bag with the cover-fitted sheet stack contained therein. A producing history managing method for the X-ray film package is provided. A producing history bar code is printed to the protective cover, the producing history bar code being obtained according to producing or packaging of the X-ray films. Also, the producing history bar code is printed to the packaging bag, and to the packaging case.

A method for identifying digitized X-ray films using the label that is “burned” on such films. The label is digitized and can be used as a single identifier for the corresponding X-ray film image. The digitized label can be displayed such as to be readable by the user thereby allowing the selection and retrieval of the image. The digitized label can also be associated with image analysis results, such as CAD analysis, performed on the corresponding X-ray film image allowing easy retrieval of such results.

The invention relates to a method for selecting exposure parameters by using an X-ray exposure equation, which uses the X-ray exposure equation to select exposure parameters of small-diameter tube ring welding seam X-ray flaw detection, thus having good effect on the control for the sensitivity of flaw detection of the X-ray, latitude of the thickness and blackness of films; the proposal adopted by the invention is that: (1) the original exposure curve is used for selecting a plurality of exposure parameters with estimation and carrying out transillumination for small-diameter pipe ring welding seams, thus obtaining a plurality of X-ray films; (2) films with the technical parameter meeting the requirement are selected from the X-ray films; tube voltage V, exposure time t and transillumination thickness TA of each film are recorded; V is taken as a dependent variable, TA and t are taken as independent variables, each group of data of V, T and t is made into a scatter diagram by crunodes on a piece of coordinate paper, and the exposure original equation of the X-ray is obtained by observing: V is equal to a0 plus a1t plus a2TA, which represents a plane on the geometry and can solve the problem that the changing parameter in the exposure curve can not be continuous.

The invention relates to a movable film-viewing apparatus for image diagnosis, and belongs to the technical field of medical apparatuses. The movable film-viewing apparatus includes an X-ray film storing cabinet, a movable film-viewing support and a power supply device box. A storing cabinet door is arranged on the right side of the X-ray film storing cabinet, and is connected to the X-ray film storing cabinet through a cabinet hinge. The storing cabinet door is equipped with a cabinet door lock. Separate X-ray film dustproof chambers are arranged in the X-ray film storing cabinet, and an X-ray film protecting frame is arranged in each X-ray film dustproof chamber. A storing cabinet dehumidifying box is arranged on the upper left side of the X-ray film storing cabinet, a suction motor is arranged in the storing cabinet dehumidifying box, and a dehumidifying fan is arranged to the left of the suction motor. The movable film-viewing apparatus has multiple functions, is convenient to use and easy to operate, is labor-saving and time-saving for users to view X-ray films, and helps to reduce the work difficulties for medical staff.

The invention discloses an X-ray film placement and display device for an imaging department. The device comprises a base, wherein walking wheels are arranged at four corners of the bottom end of thebase; a supporting frame is arranged in the middle of the upper end of the base; a display frame is arranged at one end, far away from the base, of the supporting frame; a clamp is arranged on the display frame; a chute is arranged in the supporting frame; a pedal which is horizontally arranged is slidably connected to the chute; a first rod body is fixedly connected to the middle of the lower endof the pedal; the first rod body penetrates through the middle of the base and is fixedly connected to a limiting block; an elastic rod is rotationally connected to the outer side wall of the rod body; and the middle of the elastic rod is rotationally connected to the base through a connecting frame. The device is simple in structure, easy to operate, scientific and reasonable in design, convenient to observe two X-ray films independently and convenient for medical personnel to compare the X-ray films at different time periods; and the device is provided with a storage device convenient for storage of the X-ray films, and a large amount of time and vigor of the medical personnel can be saved.

The invention provides a method for preparing a pre-staining luminescent protein marker. The method comprises the following steps: acquiring a protein A gene, a protein G gene, an MBP (Myelin Basic Protein) gene and a heavy chain constant region gene (CH gene) of a mouse and rabbit derived antibody, and cutting and combining the genes according to sizes of different proteins in a pre-staining luminescent protein marker; expressing the proteins, purifying, and mixing proteins of different molecule weights according to a certain ratio so as to obtain a luminescent protein marker; mixing the prepared luminescent protein marker with the pre-staining luminescent protein marker according to different ratios. The pre-staining luminescent protein marker prepared by using the method is capable of recognizing primary antibodies or secondary antibodies of different sources, binding sites of proteins are increased, light signals are intensified, not only are general positions of proteins indicated in the electrophoresis process and after membrane transfer, but also precise positions of the proteins can be indicated on X-ray films, no extra pre-staining marker channels are needed, no extra antibodies are needed, and the luminescent proteins can be combined with IgG or anti-rabbit and anti-mouse secondary antibodies derived from species such as human beings, rats, mice and rabbits.

The invention relates to a detection device, and more particularly, relates to a digestive tract barium fluoroscopy detection device. X-ray films of different sizes can be fixed through an adjusting and fixing device, the X-ray film can be fixed at any position on a light box, and comparison and observation are facilitated. The lower end of a front baffle main body is provided with a groove; a sliding groove is arranged at the upper end of the front baffle main body; a fixing plate is formed by a fixing plate main body and insertion holes; multiple insertion holes are arranged in the fixing plate main body; the left end of the bottom plate is connected with a rear baffle through a bolt; a first hook is arranged on the rear baffle; a light tube is connected onto the rear baffle through a bolt; a top plate is fixedly connected onto the upper end of the rear baffle through bonding; the front baffle is fixedly connected onto the upper end of the bottom plate through bonding, and the top end of the front baffle is connected with the top plate; a second hook is in clearance fit with the sliding groove; a first connector is fixedly connected onto the front baffle main body through bonding; the fixing plate is located in the groove; and insertion blocks are matched with the insertion holes.

The invention discloses an adhesive film used for locating focus, comprising a protection layer, an adhesive film layer and a developing layer which are stacked successively from bottom to up, wherein the surface of the adhesive film layer is covered by the protection layer which is used for protecting the adhesive film layer before use; the surface of the adhesive film layer which is contacted with the protection layer is an adhesive surface and has dye which can leave scale marks on skin; the other surface of the adhesive film layer has visible scales; and the developing layer has lead scales which coincide with the scales of the adhesive film layer and covers the adhesive film to ensure smoothness of the adhesive film. The adhesive film has the following technical effects that by sticking the adhesive film near the focus of the patients, visible scales by naked eyes can be left on the patients and the lead scales can be clearly shown on X-ray plates during photographing by X-ray, so that the size of the focus can be accurately measured by virtue of X-ray transmission and doctors can locate surgical incisions according to the scales on patients by referring to the scales on the X-ray plate. The adhesive film has simple structure and convenient operation and use and can shorten surgical time and reduce trauma of patients.

A sheet package producing system for producing a sheet package having a predetermined number of sheets or X-ray films is provided. A cutting/stacking device forms the sheets by cutting continuous sheet at a regular length, and for stacking the sheets in the predetermined number. A covered sheet stack producing device inserts the stacked sheets into a protective cover, to obtain a covered sheet stack. A packaging device packages the covered sheet stack to obtain the sheet package. The cutting/stacking device, the covered sheet stack producing device and the packaging device are connected in series with one another. Those devices are balanced in line capacity balance relative to one another. In a preferred embodiment, the cutting/stacking device includes a supply module for feeding the continuous sheet. A cutter module cuts the continuous sheet to obtain the sheets. A stacker module stacks the sheets in the predetermined number.

The method includes acquisition of an original image; low-frequency filtering of the original image to obtain an estimated image; a noise image development as a difference between the original and estimated images by morphologic filtering elimination of noise image pixels corresponding to sharp changes in the original image; dividing an intensity range of the estimated image into intervals, wherein each pixel of the estimated image relates to an appropriate interval; accumulating some noise image pixels corresponding to estimated image pixels; calculating interval estimations of noise dispersion using accumulated noise image pixels; improving interval estimations by removing noise pixels according to σ3 criteria, approximating interval estimations of noise dispersion resulting in tabular function of noise vs. signal intensity; calculating the base of estimated image and obtaining tabular function of the dependence of noise on signal intensity the noise map as a pixel-by-pixel noise dispersion estimation of the digital original image.

A special scanner used for industrial X-ray films adopting linear array camera belongs to the digital scanning device field. The overall constitution includes a linear array camera(1), a film translational device(2), a light source(4), an electrical motor(7), a speed reducer(6), a special controller and a computer. The light source irradiates the film from the back of the film, the linear array camera scans the film from the front of the film, the shift of the film relative to the linear array camera(1) and the light source(4) is realized by the film translational device(2), the electrical motor (7) and the speed reducer(5) are connected with the film translational device through a shaft coupling(5). The special controller can control the on-off of the light source(4), the start-stop and commutation of the electrical motor(7), the strength and weakness of the light source(4), and the rotational speed of the electrical motor(7). The linear array camera(1) is connected with the computer through a digital image transmission wire, and the special controller is connected with the computer through a data line. Finally, the present invention realizes one time scanning of industrial X-ray films and stores the results in the computer.

The invention relates to a medical device. The invention discloses a zygomatic arch, skull base, top chin and submandibular top cephalometric positioning and shooting chair which comprises a skull positioning instrument, a supporting plate, a backrest, a seat and a seat supporting leg; the skull positioning instrument is fixed on the lower surface of the supporting plate by two chutes; the skull positioning instrument can slide relative to the supporting plate; the supporting plate is connected with the backrest by a rotating shaft; the backrest is connected with the seat by a regulating bolt; and the seat is connected with the seat supporting leg by a lifting regulating device. The zygomatic arch, skull base, top chin and submandibular top cephalometric positioning and shooting chair can be used for carrying out standard shooting of X-ray films on cranio maxillofacial region structures such as a zygomatic bone, upper and lower jawbones, a skull base, a nose and the like so as to carry out quantitative measurement; the zygomatic arch, skull base, top chin and submandibular top cephalometric positioning and shooting chair is convenient to use; the medical cost is saved; the accuracy and the objectivity of medical images are improved; and effects before and after the operative treatment can be accurately and objectively compared.