23 results about "Dissection" patented technology

The invention discloses a three-dimensional surgical risk model reconstruction method based on brain anatomy and a functional atlas, and the method comprises the steps: S1, carrying out the image processing and fine segmentation of a brain MRI image or a DICOM sequence image of a patient, and recognizing a plurality of anatomical structures; s2, establishing a multi-dimensional risk assessment model, and performing quantitative scoring on each brain region from four dimensions of functional importance, structural vulnerability, recovery potential and clinical significance; s3, constructing a continuous three-dimensional risk field based on the risk score, and realizing the propagation of the risk value in the brain tissue based on a Gaussian diffusion model; and S4, based on an improved path planning algorithm, searching an optimal operation path in the three-dimensional risk field to realize risk minimization. The invention further discloses a corresponding system, electronic equipment and a computer readable storage medium.

The utility model discloses a movable experimental pig dissecting table which comprises a storage box, four universal wheels are rotatably connected to the bottom of the storage box, a dissecting table body is fixedly connected to the upper surface of the storage box, and the bottom of the dissecting table body is communicated with the upper surface of the storage box. Four connecting rods are fixedly connected to the upper surface of the dissecting table body. Through the arrangement of the first servo motor, the rotating disc, the rotating column, the water spraying pipe, the rotating rod, the hose and the like, an external water source is conveyed into the hose through the water pump, then conveyed into the water spraying pipe through the hose and sprayed out of the water spraying nozzles, meanwhile, the first servo motor drives the rotating disc to rotate, and the rotating disc drives the rotating column to rotate; the rotating column drives the rotating rod to shake in a fan shape, the rotating rod drives the water spraying pipe to rotate, a plurality of water spraying nozzles clean the dissecting table body, and it is avoided that a large amount of bloodstains and animal debris are left on the dissecting table body and are difficult to clean by dissecting personnel.

The invention discloses an operation table for dissecting rats and mice, and relates to the technical field of mouse dissecting tables, the operation table comprises an experiment assembly and a laparotomy assembly, and the experiment assembly comprises a working plate; the laparotomy assembly comprises a rotating frame, a deformation plate and a clamping plate; the rotating frame is rotationally connected to the working plate through a friction hinge and is used for placing a mouse; during laparotomy and mouse observation, the rotating frame can drive the whole mouse to rotate, and the wound orientation is adjusted; a clamping plate is arranged at one end, far away from the rotating frame, of the deformation plate; the deformation plate is made of a bendable iron material, and the clamping plate is used for clamping and unfolding the epidermis of a mouse; according to the device, an operator can adjust the angle and the distance between the two clamping plates at will through the deformation plate capable of being manually bent, so that the device can be perfectly attached to mice of various body types from small size to large size, the problem that the belly is not fully lifted due to too loose clamping or the chest is pressed due to too tight clamping is solved, and a stable foundation is provided for anatomy operation.

The invention discloses a method for observing external genitals of female adult Gynura without dissection, and belongs to the technical field of insect identification. The invention discloses a method for observing external genitals of female adult Gynura without dissection. The method comprises the following steps: firstly, preparing a 600-fold diluent of 40% chlorantraniliprole thiamethoxam water dispersible granules with water; immersing a living female adult Gynura into the liquid medicine for 1-3 minutes, then taking out the female adult, and standing for 0-4 hours until the external genitals of the female adult are completely exposed; then transferring the female adults with exposed external genitals into a centrifugal tube filled with absolute ethyl alcohol to be soaked for 2 minutes; and finally, taking out the imago, and observing the exposed external genitalia structure under a microscope. The method disclosed by the invention is simple and convenient to operate, an identification technology, namely genital microdissection, which can be mastered by only a few professionals is avoided, and an almost perfect female adult external genital form is obtained, so that an identification threshold is remarkably reduced.

The utility model discloses a forensic dissection work platform relates to the technical field of dissection table, it includes elevating seat, dissection table is set up in elevating seat, the top of dissection table is opened with recessed cavity, the inner wall of recessed cavity is opened with a plurality of through -opening, the inside of dissection table is opened with chamber relative to the position below recessed cavity, negative pressure component sets up in the bottom of dissection table for forming negative pressure in the chamber, thereby can reduce the diffusion of corpse smell, reduce the inhale of forensic doctor, cause the discomfort, simultaneously, the liquid produced in the dissection process of corpse also can enter into the chamber through through -opening.

This invention relates to the field of anatomical fixation plates, and discloses an adaptive anatomical fixation plate suitable for small animals of various sizes. The plate includes a base, with a placement plate fixedly connected to the top of the base. The top of the placement plate has vertical and horizontal grooves. A trunk fixation mechanism is provided at the bottom of the placement plate, including a motor fixedly mounted on the bottom of the placement plate. A side plate is fixedly connected to the bottom of the placement plate. In this invention, by setting up a trunk fixation mechanism, the motor drives a lead screw to rotate and moves a movable seat horizontally. This is linked by a hinged rod, causing the two moving frames on both sides to move towards each other. Simultaneously, the height of the lifting plate is adjusted synchronously with an electric push rod and a round rod structure, allowing the fixation bar to automatically adapt to the size of the small animal's trunk in both the horizontal and vertical directions. This achieves precise clamping and stable positioning of experimental subjects of different body sizes, significantly improving the versatility and fixation efficiency of the device.

The application discloses an experimental animal spinal column specimen dissection instrument and a dissection method. The dissection instrument comprises a fixing device, a scanning device, a cutting device and a control device. The fixing device is used for fixing the experimental animal spinal column specimen. The scanning device is used for scanning the fixed experimental animal spinal column specimen and transmitting a scanning image to the control device. The cutting device cuts the experimental animal spinal column specimen according to a cutting instruction of the control device or manually. The dissection instrument of the application integrates the fixing and cutting functions, significantly improves the efficiency and precision of the experimental animal spinal column specimen dissection, reduces the error and labor intensity of manual operation, makes the dissection process more consistent and reliable, and has high flexibility and adaptability, so that the dissection instrument can meet the dissection requirements of spinal column specimens with different sizes and curved shapes, and provide more reliable dissection samples and experimental data support for the fields of spinal column disease research, spinal cord injury repair and artificial vertebral body / intervertebral disc implant research and development.

The invention relates to the technical field of three-dimensional reconstruction and intelligent analysis of medical images, and particularly discloses a thoracic surgery preoperative virtual reconstruction system, which is characterized in that voxels are used as nodes to construct a space graph structure, and a respiratory movement displacement track is introduced as a dynamic attribute; static structure features and dynamic motion features are extracted and fused, and context feature vectors rich in dissection and function information are generated; in the serialized topological constraint segmentation module, graph nodes are sorted according to topological geodesic distance and feature saliency, and hierarchical segmentation from the trunk to the tip is realized in combination with an anatomical topological constraint and sequence prediction model based on a rule base; connectivity test, fracture repair and geometric rationality verification are carried out, and a precise and error-free high-quality preoperative virtual reconstruction three-dimensional model conforming to anatomical laws is output.

1. Name of the product in this design: Anatomical Structure Storage Box. 2. Purpose of this design: This design is used for short-term storage of shrimp tissues and organs in a storage box after dissection. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

This invention discloses a slide observation stage for pathological anatomy, belonging to the field of medical equipment. It includes a support component comprising a base detachably connected to the arm of a microscope, a support seat slidably mounted vertically on the base, and a support platform slidably connected horizontally to the top of the support seat. Before observing the sealed pathological slides using this observation stage, the top of the coverslip is wiped clean with alcohol. This effectively removes dust adhering to the surface of the coverslip and simultaneously sterilizes bacteria on the surface. This effectively prevents dust and bacteria from the ambient air from adhering to the surface of the coverslip during the examination process, thus avoiding obstruction of the pathological tissue beneath the coverslip during subsequent observation and facilitating the observation of the pathological slides.

The invention provides a novel method for preparing a fish otolith specimen, and belongs to the field of biological specimen preparation. Comprising the steps of specimen fixation, head skin dissection and segmentation, head muscle dissection and segmentation, head skeleton exposure and dissection, muscle dissection, dehydration, degreasing, polymer infiltration, fixation, solidification and the like. More importantly, the spatial position relation and the connection mode of the otolith, the skull, the brain, the nerve and the muscle system are displayed in situ. The otolith can be processed in a non-destructive mode, the otolith can be taken out or put back, the flexible display effect that the same specimen can display the details of the otolith and can also display overall dissection association is achieved, and the teaching and scientific research value of the specimen is greatly improved.

The utility model relates to a pathological dissecting device for animal organ tissues, which belongs to the field of pathological dissecting devices and comprises a water tank and a drainage pipe thereof, a movable groove is arranged on the water tank, a bedplate in a net structure is arranged on the movable groove, the movable groove is of a structure which is gradually narrowed towards the central part from top to bottom, and a drainage port is arranged on a bottom plate of the movable groove. A sliding table used for bearing the movable groove and a sliding rail frame used for supporting the sliding table are arranged in the water tank, and a supporting base matched with the sliding table is rotationally installed below the movable groove. According to the animal organ tissue pathological dissecting device, the whole formed by connecting the movable groove and the table plate is used for containing an object to be dissected and collecting flushing waste water generated in the dissecting process, and the movable groove is provided with the adjustable illuminating lamp and the flushing pipe, so that an operator can adjust the dissecting position and the illuminating range according to operation requirements; and the dissected part can be conveniently and rapidly washed, and the operation convenience is comprehensively improved when organ tissue pathological dissection is conducted on the animal.

The invention relates to an epicardial adipose tissue fine-grained segmentation method fusing anatomical text semantics, and belongs to the technical field of medical image processing. According to the method, heart CT image annotation is automatically converted into text description rich in anatomical semantics through an anatomical perception text prompt generator, and extra manual annotation is not needed; text and image features are integrated through a global anatomical semantic fusion module, a global anatomical context is constructed, and feature fusion is optimized by adopting a multi-head self-attention and cross attention mechanism; multi-modal contrast loss is introduced through a channel-level contrast dissection perception enhancement module, and inter-class discrimination is improved. Fine-grained segmentation of the left ventricle EAT, the right ventricle EAT and the EAT around the atrium is achieved, the segmentation result is reasonable in anatomical structure and excellent in detail expression, and the method can be widely applied to accurate diagnosis of cardiovascular diseases and has high robustness and generalization ability.

The invention relates to the technical field of medical education, in particular to an ophthalmology traditional Chinese and western medicine MR teaching and training system, and the system comprises an MR teaching platform module which is used for constructing a three-dimensional ophthalmology dissection and traditional Chinese medicine meridian fusion visual scene and supporting transparent and layered display; the traditional Chinese medicine manipulation simulation training module is used for realizing virtual operation and real-time feedback of acupuncture, massage and moxibustion through motion capture; and the assessment and evaluation module is used for carrying out quantitative evaluation on acupuncture point positioning and manipulation operation of the trainee and generating a comprehensive score through an AI algorithm. The system has the beneficial effects that the problems of abstract anatomical structure, high practical operation risk and high evaluation subjectivity in traditional ophthalmology teaching are solved, and integration visualization of traditional and western medicine knowledge and intelligence and standardization of skill training assessment are realized.

The utility model relates to the technical fields of dissection especially, a kind of medical dissection experiment table, including, supporting mechanism, including support table, two drainage parts in the support table, two suction parts in the support table, several plug-in slots are set to the inner wall of the support table, four support parts are set to the support table below, support frame is fixedly set in the support table;Support mechanism, including several supporting plates in the support table, several water holes are throughly set on the supporting plate;Still include several limiting mechanisms;The medical dissection experiment table, the angle between two fixed rings is determined by the position of operation, rotate a fixed ring and tighten first nut, fixed ring is fixed by external device;Sliding pull block and retractor block to appropriate position, when operation, scalp retractor is fixed to open scalp, and its other end rubber band is hung on bent hook screw, then by pull rod and brain pressure plate operation.

The invention relates to the technical field of medical image processing and three-dimensional visualization, and discloses a human body tomographic anatomical image three-dimensional visualization reconstruction method and system. The method comprises five steps of interlayer registration and gray normalization, multi-organ semantic segmentation based on an anatomical position attention module, surface-volume hybrid three-dimensional reconstruction, interactive virtual anatomy layer-by-layer stripping visualization and anatomical knowledge graph driving labeling, and a segmentation module sends a quality feedback signal to a registration module to form closed-loop cooperation. And a reusable digital three-dimensional anatomy resource is provided for anatomy teaching in medical colleges and universities.

The present application relates to the technical field of medical image processing and three-dimensional visualization, and discloses a human body tomographic anatomic image three-dimensional visualization reconstruction method and system, which comprises five steps of interlayer registration and gray scale normalization, multi-organ semantic segmentation based on anatomic position attention module, surface-volume hybrid three-dimensional reconstruction, interactive virtual dissection layer-by-layer peeling visualization and anatomic knowledge graph driven labeling, and a quality feedback signal is sent from a segmentation module to a registration module to form a closed-loop cooperation, thereby providing reusable digital three-dimensional anatomic resources for anatomic teaching of medical colleges.

The embodiment of the invention provides an ultrasonic imaging method and device. The ultrasonic imaging method comprises the following steps: identifying anatomical information of a target part according to a two-dimensional ultrasonic image of the target part; mapping the anatomical information to a volume ultrasound image of the target part; the anatomical information is indicated in the volumetric ultrasound image. According to the embodiment of the invention, the dissection information is indicated in the volume ultrasonic image, so that doctors can understand the volume ultrasonic image conveniently.

1. The name of the design product: animal dissection table. 2. The use of the design product: the design product animal dissection operation and research. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.

This application discloses a real-time mediastinal anatomy recognition system and device, comprising: real-time acquisition of intraoperative endoscopic video stream, and access to an individualized three-dimensional anatomical model corresponding to the current patient and an intraoperative near-infrared fluorescence imaging device, wherein the individualized three-dimensional anatomical model is used to generate three-dimensional anatomical data, and the near-infrared fluorescence imaging device is used to generate near-infrared fluorescence imaging signals; using a pre-trained deep learning segmentation model, performing pixel-level semantic segmentation on the current frame of the endoscopic video stream to generate a contour segmentation map in real time; performing real-time registration and spatial overlay of the contour segmentation map, three-dimensional anatomical data, and near-infrared fluorescence imaging signals to generate a fused and enhanced real-world image; in the real-world image, determining in real time the spatial positional relationship between the tip of the surgical instrument and a preset danger proximity area in the mediastinal anatomical structure map; and automatically triggering a corresponding warning signal when the tip of the instrument enters any designated preset danger proximity area.

This invention relates to the field of dissection equipment technology and discloses a dissection workbench for animal medical experiments that can filter waste liquid. The workbench includes a work surface and a cleaning mechanism. The work surface is sequentially provided with a dissection filtrate tank, a cleaning tank, and an instrument tank. A dissection filter screen is provided at the opening of the dissection filtrate tank. An overflow port is provided on the side of the cleaning tank near the dissection filtrate tank. The overflow port is connected to the dissection filtrate tank via a pipe. The outlet of the pipe is located inside the dissection filtrate tank near the cleaning tank. A backflow prevention height space is formed between the outlet of the pipe and the bottom wall of the dissection filtrate tank. The inner bottom wall of the dissection filtrate tank gradually decreases towards the cleaning tank. The dissection filtrate tank is provided with an outlet pipe. This invention provides a dissection workbench for animal medical experiments that can filter waste liquid, solving the problem that the wastewater tank below the filter screen of existing dissection workbenches is difficult to clean directly because it is covered by the filter screen.

To provide a laser microdissection system or the like capable of collecting an anatomical specimen with high accuracy and reliability.SOLUTION: The laser microdissection system 100 comprises a microscope 110 having an objective 114 directed toward a sample space 120, a laser light source 126 for generating a manipulation light beam, a dissection unit 134 for coupling the manipulation light beam into the microscope and for separating a dissection specimen 104 from a sample 102 arranged in the sample space by directing the manipulation light beam onto the sample in accordance with contour data relating to a contour 304 of the sample surrounding the dissection specimen, a well positioning unit 138 for moving a harvesting apparatus 108 arranged below the sample and comprising a well 106 for capturing the dissection specimen relative to an optical axis of the objective, and a controller 140 for controlling the well positioning unit in order to move the harvesting apparatus on the basis of the contour data such that a center of an opening of the well is arranged below the dissection specimen.SELECTED DRAWING: Figure 1