24 results about "Brain operations" patented technology

The invention relates to the technical field of brain surgery, in particular to a construction method based on a craniocerebral tumor minimally invasive surgery risk assessment model. The method comprises the following steps: acquiring craniocerebral tumor minimally invasive surgery clinical data, including patient iconography data, surgery record data, postoperative complication data and patient basic data; performing data cleaning on the surgical clinical data, and performing standardization processing to unify a data format so as to obtain a standardized clinical data set; and extracting the size, position and shape of the tumor and the relationship between the tumor and surrounding tissues from the standardized clinical data set, and generating a tumor space structure model by using a three-dimensional reconstruction technology. According to the method, main factors influencing the surgical risk are identified through a statistical analysis method, including the contribution degree of each feature to the surgical risk and the interaction between the features, and it is ensured that the evaluation process is more objective and accurate.

The invention relates to the technical field of simulation training, in particular to a brain operation virtual training system which comprises an image processing module, an input recognition module, a path planning module, a risk prompting module and a training adjusting module. According to the method, the texture density and the edge continuity of a brain region image structure are recognized and compared, fuzzy region blocks are screened and reconstructed to form a training fragment set, key interaction nodes are extracted by combining participant input tracks and image region coincidence, and therefore the accuracy of the brain region image structure is improved. Positioning a spatial trend relationship between a trajectory path and an organization structure, reconstructing an anatomical alignment path, identifying image response abnormity and deformation intersection points of the path, a neural network and a blood vessel junction region, and determining a trajectory path according to trajectory abnormal fluctuation, repeated correction conditions and a dwell time change trend. And multi-level improvement of image quality perception optimization, interaction behavior identification refinement, path and organization structure registration enhancement, interaction risk point prediction and training stability evaluation in brain training is realized.

The invention discloses a typical medical record training system for a neurosurgical brain operation, which relates to the technical field of neurosurgical brain operation training and considers the dynamic change of a training process, the regular calculation of a comprehensive assistance effect adaptation value and the repeated screening process. Along with student ability improvement and training key transfer, the most adaptive student list is adjusted in time. For example, the fine operation of the target student at the initial stage is prominent, and the operating room nursing student focuses on assistance; later decision-making ability needs to be enhanced, after rescreening, image subject students join cooperation, it is ensured that the auxiliary strength always meets the requirements of the students, and it is ensured that the training effect is continuously upgraded. The operation of the whole system depends on a large amount of training data, and scientific decision is made based on data from the links of index collection and evaluation to recommendation and distribution. On one hand, through redisk of previous data, a comprehensive skill evaluation value analysis model is continuously optimized, and key elements such as adaptive index weight are trained.

The embodiment of the invention discloses a brain operation path determination method and device, equipment, a medium and a medical system. The brain operation path determination method comprises the steps that a brain structure model and at least one target spot of a target user are obtained; based on the brain structure model, determining an information transfer relationship between each nuclear group sub-model and each nerve fiber sub-model; determining a plurality of candidate operation schemes based on the plurality of preset path starting points, the target group sub-model to which the at least one target point belongs and the information transfer relationship; for each candidate operation plan, performing quality evaluation on the candidate operation plan based on a quantitative evaluation model under at least one evaluation dimension, and determining a path quality attribute corresponding to each candidate operation plan; according to the method, at least one target recommended operation scheme is determined based on each path quality attribute, a plurality of candidate paths conforming to nerve conduction characteristics are automatically generated, and an optimal scheme is screened through a quantitative evaluation model, so that the brain tissue injury risk and the operation complexity are effectively reduced while the operation precision is improved.

The invention relates to the technical field of medical instruments, and particularly discloses a puncture fixing device for brain surgery, which comprises a fixed base; fixing mechanisms are mounted on the two sides of the top end of the fixed base, a guide mechanism is jointly mounted between the two ends of the fixed base, and a disinfection mechanism is mounted at the top end of the guide mechanism; through cooperative work of the fixing plate, the fixing groove, the electric telescopic rod, the reinforcing block, the spherical hinge and the fixing clamping plate, the electric telescopic rod can be accurately adjusted according to the shape and size of the head of a patient, the fixing comfort and stability are ensured, and the fixing clamping plate is allowed to be finely adjusted in multiple directions through the design of the spherical hinge; in addition, the pressure sensor embedded in the fixing splint can monitor the clamping force in real time, and the clamping force is automatically adjusted through the controller, so that puncture point deviation caused by micro-motion of the head of the patient in the operation is avoided, the operation risk is reduced, and the safety and the success rate of the operation are improved.

The utility model relates to the technical field of fixing devices for bird brain surgery experiments, and particularly discloses a body restraining device for a short beak bird brain stereotactic surgery experiment. Comprising a heating pad body and a first binding soft pad attached to the surface of the heating pad body, and the first binding soft pad comprises a warm-keeping protective layer, hook-and-loop fastener rough surfaces arranged at the two ends of the warm-keeping protective layer, a first limiting protrusion and a second limiting protrusion, wherein the first limiting protrusion and the second limiting protrusion are arranged on the surface of the warm-keeping protective layer; the second binding soft cushion is detachably connected with the first binding soft cushion and comprises a binding limiting layer, an elastic section and a hook-and-loop fastener hook face, the elastic section and the hook-and-loop fastener hook face are sequentially arranged at the two side ends of the binding limiting layer, and a pressure reduction positioning notch is formed in one end of the binding limiting layer. The short beak birds can be better protected in the fixing process of the short beak birds, and meanwhile the body temperature of the birds can be effectively maintained in the long-time operation experiment process.

The application relates to the field of medical instruments, and provides a brain operation path guiding system, which comprises an operation instrument, a face scanning three-dimensional camera, a positioning three-dimensional camera and a processor. The application determines a first pose conversion relationship between an operation instrument positioning code and the operation instrument, a second pose conversion relationship between the face scanning three-dimensional camera and a camera positioning code, a third pose conversion relationship between the positioning three-dimensional camera and the camera positioning code, and a fourth pose conversion relationship between the positioning three-dimensional camera and the operation instrument positioning code, carries out three-dimensional reconstruction based on an MRI image of a patient to obtain an MRI reconstruction model comprising a three-dimensional operation path, and determines a position and an angle offset between the operation instrument and the three-dimensional operation path according to the first, second, third and fourth pose conversion relationships, the MRI reconstruction model and a three-dimensional point cloud model of a patient face transmitted by the face scanning three-dimensional camera, so that the accuracy of an operation position and an operation angle is improved, and the operation risk is reduced.

The utility model discloses a skull plate fixing device for brain surgery, which comprises a brain limit frame, the brain limit frame is of a U-shaped frame structure, a main positioning frame is mounted at the upper end of the brain limit frame, lifting support frames are symmetrically mounted on two sides of the brain limit frame, and a protective base plate is arranged at the upper end of the main positioning frame. According to the skull plate fixing device for the brain surgery, the head of a patient is kept placed through C-shaped openings among the main positioning frame, the first auxiliary positioning frame and the second auxiliary positioning frame, the first auxiliary positioning frame and the second auxiliary positioning frame are pushed to be in the opposite directions, and the opening positions among the main positioning frame, the first auxiliary positioning frame and the second auxiliary positioning frame are staggered; the main positioning frame, the first auxiliary positioning frame and the second auxiliary positioning frame wrap the head of a patient and are matched with the first protection silica gel strip and the second protection silica gel strip to collect the interior, the head of the patient is conveniently limited, and the head limiting installation of patients with different head circumferences is facilitated.

The utility model discloses an electric positioning instrument for small animal brain operation, which belongs to the technical field of biological experiments and comprises a U-shaped platform, a three-coordinate moving mechanism and a centering clamping mechanism which are arranged on a base. An operation fixing rod is arranged at the output end of the three-coordinate moving mechanism; the operation fixing rod is positioned above the U-shaped platform; the centering clamping mechanism is located at a U-shaped notch of the U-shaped platform. The centering clamping mechanism comprises two clamping seats arranged on the base, and clamping heads are arranged at the ends of the clamping seats; first dial gauges are arranged at the two ends of the U-shaped groove, and second dial gauges matched with the first dial gauges and used for displaying the moving distance of the clamping base are arranged on the clamping base. A two-way lead screw mechanism used for controlling the two clamping seats to move relatively is installed on the bottom face of the base, and a driving hand wheel is arranged on the two-way lead screw mechanism. And a camera is arranged on the U-shaped platform. The small animal brain operation device is simple in structure, convenient to operate, accurate in positioning and capable of improving the efficiency and accuracy of small animal brain operation.

This invention provides a post-anesthesia follow-up monitoring system for monitoring and early warning of post-brain surgery conditions. Specifically, it includes: a patient brain surgery information synchronization module, a follow-up monitoring task generation module, a complication early warning handling module, a quality control and data management module, a standardized electronic form module, a mobile follow-up monitoring module, a discharge remote follow-up monitoring module, and a system management module. The modules are divided into main modules and auxiliary modules. Each module in the main modules interacts bidirectionally with three or more other modules and performs core functions such as data processing, optimization, and parameter calculation. The auxiliary modules provide auxiliary functions such as data acquisition, task execution, and access control. This invention automates the follow-up monitoring process, significantly reducing post-operative PONV, respiratory depression, and nerve damage, and achieves full retention of perioperative anesthesia data, supporting departmental quality control, grade review, research projects, and thesis data.

Systems, methods, and media for selectively presenting images captured by confocal laser endomicroscopy (CLE) are provided. In some embodiments, a method comprises: receiving images captured by a CLE device during brain surgery; providing the images to a convolution neural network (CNN) trained using at least a plurality of images of brain tissue captured by a CLE device and labeled diagnostic or non-diagnostic; receiving an indication, from the CNN, likelihoods that the images are diagnostic images; determining, based on the likelihoods, which of the images are diagnostic images; and in response to determining that an image is a diagnostic image, causing the image to be presented during the brain surgery.

A surgical device includes an elongated handle and at least one cutting assembly at an end of the handle. The at least one cutting assembly includes an elevator, a retainer located above the elevator, and at least one cutting blade positioned between the elevator and the retainer. The surgical device may be used to cut tissue, such as dura mater during brain surgery.

The invention relates to the technical field of biomedicine and information, and discloses an information analysis system for evaluating the stereotactic intracerebral transplantation curative effect of endothelial progenitor cells, which comprises a multi-channel sensor array, a data acquisition module, a data processing module and a feedback output module, the multi-channel sensor array is composed of a plurality of miniature sensor units, each sensor unit comprises an optical probe, an electrochemical detection electrode and an ultrasonic transmitting and receiving device, and the sensor units are used for collecting physiological signals, chemical signals and image signals of a brain operation area in real time; and the data acquisition module is connected with the multi-channel sensor array. Signals of a brain operation area are collected in real time through the multi-channel sensor array, synchronous collection of the data collection module and dynamic analysis of the data processing module are combined, and the survival state, the distribution condition and the function change of transplanted endothelial progenitor cells can be monitored in real time.

The invention relates to a brain tumor needle and thread marking system, and aims to improve the accuracy and safety of brain surgery. According to the system, by means of the navigation device and the image recognition and positioning technology, biodegradable small needles and threads are accurately sewn into the tumor boundary, and a lasting and reliable physical mark is formed. The system can effectively reduce operation errors caused by brain drifting, and the operation success rate is increased. Before an operation, a doctor obtains a brain image through MRI or CT and plans a needle and thread path; during the operation, the operator is navigated and guided to complete needle and thread implantation. And the used needle and thread material is biodegradable, so that the postoperative complication risk of a patient is reduced. According to the implementation of the invention, the identification accuracy of tumor boundaries, especially low-grade glioma boundaries, in the brain surgery is remarkably improved, and a more reliable surgery auxiliary means is provided for doctors.

The application discloses a brain operation dilator which comprises a main body conduit and a driving mechanism arranged on the side of the main body conduit; the main body conduit comprises a shell and a plurality of supporting rods, the middle part of each supporting rod is rotationally connected with the shell, the two ends of each supporting rod at the rotation point are respectively a dilating end and an adjusting end, the same elastic tube is sleeved on the positions of the dilating ends of the plurality of supporting rods, the end of the shell away from the elastic tube is provided with a rotating disc, a plurality of arc-shaped holes are penetrated through one side of the rotating disc, the end of each supporting rod penetrating through the adjusting hole is matched with the arc-shaped hole, and the distances from the two ends of each arc-shaped hole to the axis of the rotating disc are different; when the driving mechanism drives the rotating disc to rotate, the rotating disc drives the adjusting end of the plurality of supporting rods to change the radial displacement, so that the dilating end of the plurality of supporting rods swings to drive the elastic tube to dilate. The application has the advantages and effects that the safety and accuracy in the brain operation process can be improved, and the brain operation dilator is suitable for the micro-operation technology of neurosurgery.

The application relates to the field of neurosurgical medical equipment and discloses a brain operation auxiliary treatment device for neurosurgery, which comprises a fixing base, a gear groove and a ratchet groove are arranged in the fixing base, a connecting block is slidably connected in the fixing base, a locking cavity is arranged in the connecting block, a clamping assembly is slidably connected to the top end of the connecting block, a locking assembly is arranged in the locking cavity, the locking assembly comprises a ratchet pawl, one end of the ratchet pawl is in sliding contact with a limiting plate, the limiting plate is in abutment with a limiting cam on one side, and the limiting cam is rotationally connected to an adjusting block. In the application, the fixing base is divided into the gear groove and the ratchet groove, the connecting block bears the clamping assembly and is internally provided with the locking cavity, the structure realizes clear function division, and the transmission and the locking mechanism are prevented from interfering. In cooperation with the ratchet pawl, the limiting plate, a return spring and a reverse ratchet, the first return spring always pushes the limiting plate to abut against the limiting cam, so that the locking can be instantly responded.

The application discloses a neurosurgery brain operation typical medical record training system and relates to the technical field of neurosurgery brain operation training. The system considers dynamic changes in the training process, regularly calculates a comprehensive assistance effect adaptation value, and repeatedly screens a process. With the improvement of the ability of trainees, the shift of training focus, and the timely adjustment of the most adaptive trainee list, for example, the short board of fine operation of the initial target trainee is prominent, and the operating room nursing trainee focuses on assistance. In the later stage, the decision-making ability needs to be strengthened, and after re-screening, the imaging science trainee joins the cooperation, so that the assistance force always matches the needs of the trainees, and the training effect is continuously upgraded. The whole system operation relies on a large amount of training data, and each link from index collection, evaluation to recommendation and distribution is based on data as the cornerstone of scientific decision-making. On the one hand, through the review of past data, the comprehensive skill evaluation value analysis model, the training adaptation index weight and other key elements are continuously optimized.

The utility model discloses a medical appliance automatic cooling device for brain operation belongs to neurosurgical operation auxiliary tool technical field, including the skull drill, the one end and inside of skull drill are provided with drill bit, the inside of skull drill with drive piece is provided between drill bit, the skull drill is provided with dropper between the same one end and inside with drill bit, the one end of dropper with the skull drill is provided with extension pipe, the one end of dropper is inserted with the drip pipe, the dropper is inserted with the connecting liquid pipe on one end in extension pipe, the connecting liquid pipe is equipped with the governor, the end of connecting liquid pipe is connected with the liquid supply spare. The utility model discloses a dropper is fixed on the skull drill, can be in the skull drill use process, need not manual long -time hand -held fixed, effective saving manpower.

The microchannel sheathing canal comprises an outer sheath layer, a hole closing device and a navigation pointer, the periphery of the outer sheath layer is cylindrical, the end of the outer sheath layer is conical, and the microchannel sheathing canal is characterized in that a radius-adjustable opening mechanism is arranged in the outer sheath layer, a through hole is formed in the middle of the hole closing device, a fastening bolt is arranged on the side portion of the hole closing device, and the navigation pointer is arranged on the outer sheath layer. The navigation pointer penetrates through a through hole of the obturator and extends into the outer sheath layer, a placer is arranged at the top of the outer sheath layer, and the outer sheath layer is made of a biocompatible material or other transparent materials; by the adoption of the scheme, the diameter of the outer sheath layer can be changed through the opening mechanism, different diameters can be suitable for various brain surgical operations, and the sheath tubes with different lengths can reach brain tissue layers with different depths.

The invention belongs to the technical field of medical instruments, and particularly relates to a brain surgery postoperative head fixing device which comprises a supporting plate, a movable plate, a head cushion plate and a head clamp. The bottom corner of the left end of the movable plate and the supporting plate or the bottom corner of the right end of the movable plate and the supporting plate are rotationally connected through a rotating shaft. The head cushion plate is mounted on the front side wall of the movable plate and can cushion the head from the bottom of the head of the patient; the head clamp comprises a healthy side clamping plate and an affected side clamping plate, and the healthy side clamping plate and the affected side clamping plate are both installed on the front side wall of the movable plate and can clamp the head from the two sides of the head of the patient. The head fixing device can be installed on the head of a sickbed, when a patient is in a horizontal position on the sickbed, the head base plate, the healthy side clamping plate and the affected side clamping plate restrain and fix the head from three sides of the head of the patient, and when the patient is in a lateral position, nursing personnel assist the patient in turning over, and the movable plate rotates along the rotating shaft. The patient does not need to be restrained and fixed on the head of the patient when turning over and taking the lateral position, and operation is convenient.

The invention relates to the technical field of brain stereotactic positioning of non-human Linglong animals, and particularly discloses a brain operation stereotactic positioning method for non-human Linglong animals. Comprising the steps of original point titanium nail installation, head fixing and scanning, positioning pre-operation preparation, headstock and operation equipment installation, original point centering, number point marking, positioning hole forming, coordinate verification, sample injection execution, needle withdrawing and the like. According to the method, before an operation, a titanium nail is installed on a skull of an experimental animal to serve as a physical reference point, and then a coordinate value of a positioning point of a target brain region during the operation is calculated according to the physical reference point to carry out trepanning and sample introduction, so that the positioning precision is not influenced by differences among experimental animal individuals and repeated positioning errors of equipment; therefore, the defect of inaccurate positioning of the target brain region is overcome.

The invention discloses a brain surgery tool and a using method thereof.The brain surgery tool comprises a stripping assembly used for separating tissue layers; the suction assembly is used for sucking out liquid and loose tissues; the flushing part is used for providing liquid for the operation area; the brain spatula assembly is used for moving or pulling brain tissues; according to the invention, by arranging the stripping assembly, a stripper can be quickly disassembled, assembled and replaced conveniently, a doctor can quickly replace stripping heads with different shapes and sizes according to actual requirements, the whole tool does not need to be frequently removed, the operation interruption time is effectively shortened, the operation process is smoother, and the operation efficiency is greatly improved; meanwhile, the structures of the corresponding aspirator, flusher and brain spatula are combined, so that the surgical operation difficulty is greatly reduced, and the surgical success rate and fault tolerance are improved.

The head fixing device is used for animal brain surgery and comprises two ear rods, each ear rod comprises a rod piece and a positioning piece, each positioning piece is connected to one end of the corresponding rod piece, and each positioning piece is provided with a concave part which is concave in the direction where the corresponding rod piece is located; the two ear rods are arranged in the left-right direction of the head of the animal, the positioning pieces of the two ear rods are oppositely arranged, and the openings of the two concave parts are oppositely arranged; the two concave parts are used for clamping the left side and the right side of the head of the animal. The head fixing device is used for an animal brain operation, the head of an animal can be well fixed under the condition that no extra harm is caused to the animal, and the accuracy of the brain operation can be guaranteed.