57 results about "Dissection" patented technology

Disclosed herein is a dissection station for a cadaver. The station includes a tray having an arrangement of ventilation openings which allow a passage of fluid from the tray and an elongate form configured to support the cadaver. The station further includes an elongate bath disposed below the tray and configured to support the tray; a drainage system including a drainage outflow from the bath; and a gas extraction system including an exhaust duct from the bath. Further disclosed herein is an installation of a dissection station which is configured to force gas from a ceiling gas insertion mechanism toward the tray and through the ventilation arrangement to the bath and from the bath through an exhaust duct extension.

The invention provides a teaching interaction processing method and system applied to an intelligent online practical training platform. The method comprises the following steps: firstly, acquiring a training scene data set comprising operation process simulation data (corresponding to gynecological examination and related medical skill standard operation processes) and anatomical structure model data (constructed based on medical image data and comprising three-dimensional structure feature information of a female reproductive system), and then carrying out interactive content generation processing on the training scene data set; generating interactive teaching content including operation step guide information and a three-dimensional dissection display model by combining teaching logic rules, and then receiving interactive operation data (corresponding operation simulation behaviors including operation action time sequence records and spatial position coordinates) of a user on a platform; then training effect evaluation processing is carried out on the interactive operation data and the interactive teaching content to generate a training evaluation result, and finally personalized feedback content is generated according to the evaluation result and pushed to a user interface to guide a user to adjust a training behavior, so that the medical training teaching quality and efficiency are improved.

The invention discloses a nasal skull base virtual dissection teaching data processing method and system based on a digital twin technology and a medium, and can be applied to the technical field of virtual training. According to the method, the three-dimensional anatomical model of the nasal skull base is constructed based on the digital twin technology, and meanwhile, the virtual training module for providing various to-be-selected operation simulation operation scenes is constructed, so that a complete virtual training environment of the nasal skull base operation can be provided for personnel such as doctors and the like; then, after operation data of virtual anatomy of the user on the nasal skull base three-dimensional anatomical model in the target operation simulation operation scene is obtained, the virtual training process of the user is comprehensively evaluated according to the operation data, and therefore comprehensive evaluation information of virtual training can be provided for personnel such as doctors and the like; therefore, the corresponding personnel can carry out training operation adjustment based on the comprehensive evaluation information, and the training efficiency is effectively improved.

The invention discloses a DSA image coronary artery interlayer automatic identification system based on U-KAN and anatomy prior. The DSA image coronary artery interlayer automatic identification system comprises a data preprocessing module, an anatomy prior information extraction module, a U-KAN model construction module, a model training module, an interlayer area automatic identification module and a result processing and evaluation module. According to the method, the KAN layer is introduced, so that the expression capability and the recognition precision of the U-Net model on complex medical images (such as DSA images) are remarkably enhanced. According to the method, anatomical prior information (such as geometric morphology of coronary artery, vascular branches and the like) is creatively fused into the deep learning model, so that the sensitivity of the model to a lesion area is improved. According to the invention, through the optimized U-KAN network, the identification precision is ensured, and the calculation efficiency is high. The U-KAN model provided by the invention has strong expansibility, can be applied to automatic identification of coronary artery interlayer, and can also be applied to other types of medical image analysis tasks, brain CT and automatic detection and segmentation of tumor MRI images.

The invention provides a virtual dissection method based on a VTK visual framework, and relates to the field of virtual dissection processing. The method comprises the following steps: firstly scanning the appearance of a target corpse to obtain an original slice, constructing a body three-dimensional voxel model, then performing angiography to acquire an image, then reconstructing a blood vessel three-dimensional voxel model, splicing the original slice and the blood vessel three-dimensional voxel model into a target corpse structure three-dimensional diagram, and finally performing virtual anatomy treatment and display on the diagram. The invention provides a systematic and comprehensive virtual anatomy solution which covers each link to ensure coherence and integrity, accurately reconstructs a three-dimensional structure by means of advanced imaging and algorithm, serves multiple fields of medical science, realizes efficient interaction and visualization based on a VTK framework, facilitates user operation and observes a result in real time, and improves the user experience. The understanding and analysis capability of the anatomical structure is improved, and related work is assisted to be carried out.

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 provides an anatomical specimen storage and sampling control method and system. A target anatomical specimen is divided into a plurality of sampling areas; extracting histomorphological characteristics of the anatomical specimen in the sampling area, determining a dominant temperature based on the temperature data of the sampling area, and performing linear correlation on the dominant temperature and the histomorphological characteristics of the sampling area to obtain a thermal stability coefficient of the sampling area; determining the texture features of the sampling area, and determining the feature retention degree of the surface texture of the target anatomical specimen based on all the texture features and the local humidity gradient of the sampling area; determining the cell structure entropy of the sampling area according to the thermal stability coefficient of the sampling area and the feature retention degree of the surface texture of the target anatomical specimen; and determining the sampling priority of the sampling area based on the cell structure entropy, and sampling according to the sampling priority. By adopting the scheme of the invention, the dynamic optimization of the sampling sequence can be realized based on the monitoring condition of the material structure change of each sampling part of the anatomical specimen in the storage process.

The utility model relates to an animal physiological dissection table, comprising a base, a support column fixedly connected to the top of the base, a fixed frame installed on the top of the support column, a dissection table installed on the top of the fixed frame, a controller installed on the left side of the dissection table, an inclined plate fixedly connected to the left side of the dissection table, a carrier plate fixedly connected to the top of the inclined plate, and a sewage outlet opened on the right side of the dissection table. The above-mentioned animal physiological dissection table performs dissection by placing the animal body on the dissection table, and the processed organs can be placed on the carrier plate to avoid contact with other tissues and organs, so that they can be better classified, and the dissection table can be better cleaned through the sewage outlet to avoid the occurrence of contamination caused by small animal physiological organs remaining on the dissection table.

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 simulation system (100) and method for simulating virtual human-body dissection, as compared to prior-arts, provides an accurate representation of human anatomical structures, allowing users to perform virtual dissections and gain tactile insights into the texture and feel of various organs, tissues and structures. Simulation system (100) includes a computing bed (10) with an interactive-display screen (20), a haptic device (30), a graphic rendering device (40), a control unit (50) and processing unit (51). The interactive-display screen (20) enables selection of a region-selection module (20a), a tool-selection module (20b), an anatomical planes and positions module (20c) and a training module (20d) which are operated and viewed by the haptic device (30), a graphic rendering device (40) to perform virtual dissections and gain tactile insights into the texture and feel.

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 belongs to the technical field of anatomy auxiliary devices, and relates to a fixing device for an animal anatomy experiment, the device is provided with a first fixing structure and a second fixing structure which are the same in structure, and the first fixing structure and the second fixing structure are arranged on a base to form an animal placing area; the first fixing structure and the second fixing structure each comprise a first sliding groove, a second sliding groove, a limiting groove, a sliding piece and a fixing belt, the first sliding grooves and the second sliding grooves communicate with each other and are formed in the base, and the limiting grooves are tightly formed in the side portions of the first sliding grooves in parallel; the sliding part is inserted into the first sliding groove in a sliding mode and is in sliding fit with the inner wall of the first sliding groove, the sliding part is provided with a through groove, the fixing belt penetrates through the through groove and is in clearance fit with the sliding part, and the two ends of the fixing belt are fixedly connected with the base. The first fixing structure and the second fixing structure are used in cooperation to fix a corresponding animal to be dissected, and therefore the technical problem that the animal cannot be rapidly fixed is solved.

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.

The utility model relates to the technical field of zooplankton experiment instruments. A novel counting frame integrating zooplankton classification counting and individual anatomy measurement comprises a counting frame body, and the counting frame body comprises an anatomy area and a counting area which are arranged front and back. A strip-shaped notch is formed in the dissecting area and is connected with a dissecting bearing sheet in a sliding manner; a scale mark is arranged on the counting frame main body, and the scale mark is adjacent to the strip-shaped notch; the counting area is provided with a circuitous groove, the groove comprises transverse channels which are arranged from front to back, the adjacent transverse channels are communicated with each other through a connecting channel, the end part, far away from the dissecting area, of the groove extends to the edge of the counting frame main body, and the end part, far away from the dissecting area, of the groove is detachably connected with a plugging piece. According to the zooplankton dissecting device, zooplankton needing to be dissected can be conveniently and directly moved to the dissecting bearing piece to be And the length of the individual can be measured through the scale marks.

The invention discloses a movable type human body dissecting and storing dual-purpose dissecting table which comprises a storage assembly. The storage assembly comprises a storage box, the inner side wall of the storage box is fixedly connected with a shell, and the inner side wall of the shell is rotationally connected with a threaded rod through a rotating shaft; through the arrangement of the plate bodies, the two plate bodies are hinged to the bottom of the top cover through the independent hinges, single-side opening is supported, an operator can select to only open the lighting plate on the corresponding side and keep the other side closed according to the anatomical direction, the plate body on the opening side forms a physical barrier, hard light in a non-operation area is effectively prevented from directly irradiating eyes of the operator, glare interference is avoided, and the safety of the operator is improved. The lamp tubes embedded in the plate body project light at a 45-degree inclination angle, the light is focused on a corpse operation area, the side lamp tubes are turned on to form a crossed light source with the first illuminating lamp set and the second illuminating lamp set in the center of the top cover, illumination dead angles are compensated from different angles, and therefore shadows generated by instruments or hands of an operator are eliminated.

The application provides an auxiliary tool for medical dissection, which comprises a knife handle, a contraction sliding groove and a through hole are formed in the knife handle, a pressing assembly, the pressing assembly comprises a pressing rod, a connecting shaft and a transmission rod, a connecting frame, the connecting frame is installed in the contraction sliding groove, a sliding shaft is fixedly arranged in the connecting frame, a knife blade, the knife blade is fixedly arranged on the connecting frame and located in the contraction sliding groove, and an elastic member, the elastic member elastically connects the knife handle and the connecting frame. The scheme finally realizes that the force of the pressing assembly pressed by a single finger is controlled, the length of the knife blade stretched from the port of the knife handle is controlled, and the dissection depth is controlled, so that the use requirement in the dissection research is met. When the pressing assembly is released, the elastic member can automatically retract the knife blade, the hiding function of the knife blade is increased, and the safety of the knife blade in storage is improved.

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 utility model relates to the technical field of dissecting plates, and discloses a dissecting plate for animal experiments, which comprises a fixing mechanism, an adjusting mechanism and a plate body mechanism, the fixing mechanism is positioned at the upper end of the plate body mechanism, and the adjusting mechanism is positioned at the lower end of the plate body mechanism. The fixing mechanism comprises a fixing clamping plate, a connecting sliding block is fixedly connected to the lower end of the fixing clamping plate, a supporting sliding plate is slidably connected to the lower end of the fixing clamping plate, a first sliding notch is formed in the surface of the supporting sliding plate, and a rotating sleeve is fixedly connected to the right end of the first sliding notch; a second threaded rod is rotationally connected to the inner wall of the rotating sleeve, a rotary knob is fixedly connected to the left end of the second threaded rod, and a first threaded rod is fixedly connected to the lower end of the supporting sliding plate. According to the animal fixing device, the supporting sliding plate slides in the limit of the third sliding groove opening, the second threaded rod rotates to drive the fixing clamping plate to slide left and right, an animal is fixed, and using is more convenient.

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 subject disclosure provides systems, computer-implemented methods, and clinical workflows for meso-dissection of biological specimens and tissue slides by incorporating annotation and inter-marker registration modules within digital pathology imaging and meso-dissection (or milling) systems. Images of a reference slide a milling slide may be acquired using the same imaging system, with the annotations on the image associated with the milling slide being based on the inter-marker registration. Each image along with its respective annotations and meta-data may be associated with a project or a case and stored in an image management system. A same-marker registration may be used to map annotations from the annotated image of the milling slide to a live image of the milling slide. The milling slide may be milled based on the annotations, with milled tissue output into a contained that is labeled in association with the labeled input slides.

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 present invention discloses a negative pressure dissection sampling table for infectious medium-sized animals, which includes a box, an exhaust high-efficiency filter device, a lifting glass, an auxiliary sampling device, and a supporting chassis. The box includes a work surface, a working window, a wash basin, a faucet, a fan, and a control screen; both sides of the box of the negative pressure dissection sampling table for infectious medium-sized animals are provided with working windows, and the working windows on both sides of the box can be opened at the same time; the exhaust high-efficiency filter device includes a filter box, a high-efficiency air filter, a scanning sampling probe, a sampling tube, a sampling interface, and a scanning drive mechanism; the auxiliary sampling device includes a local lighting device, a ruler, a camera, and a flushing faucet; the supporting chassis arranged at the bottom of the dissection sampling table adopts an automatic lifting structure. The present invention adopts a double-operation working window design, which allows two operators to cooperate in the dissection operation at the working windows on both sides at the same time; at the same time, it can effectively improve the convenience and safety of dissection of infectious medium-sized animals.

The utility model relates to the technical field of experimental equipment, in particular to a fixing device for animal dissection experiments, which comprises an upper casing, a lower casing, a fixing device and a fixing device, the bottom end of the upper casing is provided with a first notch, the inner wall of the first notch is provided with external threads, and two ends of the inner wall of the upper casing are provided with second notches; the top cover is in threaded connection with the upper shell; the lower shell is inserted into the first notch, and the lower shell is in threaded connection with the bottom end of the upper shell; the lifting mechanism comprises an electric push rod and a placement plate, and the electric push rod drives the placement plate to ascend / descend in the second notch; the bushing plate is arranged at the bottom end of the upper shell; the locking assembly is adjacently arranged beside the bushing plate, the locking assembly comprises a gear and a second sliding tooth block, and the first sliding tooth block drives the second sliding tooth block to fix and lock the bushing plate through the driving gear; the fixing device overcomes the defects that in the prior art, fixing liquid in a fixing device in an animal dissection experiment is wasted, and experimental specimens are inconvenient to store and take.

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.