505 results about "Neurosurgery" patented technology

The invention relates to the technical field of medical image processing, in particular to a neurosurgery image diagnosis method and system based on image processing, and the method comprises the following steps: obtaining gray matter edge nodes of a triaxial section, constructing a symmetric path unit, collecting an edge direction vector, and generating a direction trajectory diagram; and extracting continuous slices, constructing a rotation track sequence, identifying an abnormal region, filling gaps, combining path voxels, and dividing spatial levels to generate an image structure chart. According to the method, the grey matter edge nodes in the three-axis tangent plane are obtained, and the node paths with the symmetrical characteristics are screened out according to the space projection trend, so that the continuous region of the structure can be accurately recognized, the direction vectors in the continuous slices are extracted, the direction mutation region in the track is recognized, and the jump and fracture performance of the structure can be timely captured; and the abnormal region is accurately labeled, so that higher-dimensional expression and finer-grained recognition of the neural structure are realized, and spatial modeling and visual analysis of complex neuropathy are effectively supported.

The invention provides a neurosurgery tumor patient personalized nursing intervention method based on big data. The neurosurgery tumor patient personalized nursing intervention method comprises the steps that physiological parameters, tumor characteristic data, behavior data and environment data of a patient are collected through a multi-mode sensor and an electronic medical record system; preprocessing the data to generate a standardized data set; extracting dynamic time sequence features and spatial correlation features based on a multi-modal fusion feature extraction algorithm; calculating an intensity parameter, a frequency parameter and a priority parameter of nursing intervention through a personalized intervention parameter generation algorithm according to the features; generating a personalized nursing intervention scheme in combination with the nursing rule base; a dynamic adjustment scheme is fed back through real-time data, and intervention parameters are corrected through a feedback compensation mechanism; and outputting the corrected intervention scheme to the nursing terminal equipment for execution. Accurate personalized nursing intervention can be achieved, the nursing scheme is dynamically adjusted, and the nursing effect and rehabilitation quality of neurosurgical tumor patients are improved.

A neurosurgery system for probing brain tissue of a patient for tumorous tissue. The system including a suction tool, an excitation source, an optical instrument, and a controller. The suction tool including a suction cannula defining a lumen, an optical fiber configured to transmit fluorescence emitted by the brain tissue; and an indicator configured to selectively emit visible light. An excitation source is configured to emit an excitation light having a wavelength to induce the fluorescence in the tumorous tissue. The optical instrument is coupled to the optical fiber. The optical instrument configured to convert the fluorescence emitted by the brain tissue and transmitted by the optical and configured to determine that the brain tissue is tumorous based on the electrical signal and activate the indicator based on the determination.

The invention relates to the technical field of neurosurgical intelligent operations, and discloses a neuroendoscopic surgery intelligent puncture positioning system based on image navigation, and the system comprises a preoperative modeling module which constructs a preoperative tissue model and a corresponding elastic tensor field based on a three-dimensional medical image of a patient; the image fusion module is used for receiving the data of the preoperative modeling module, collecting intraoperative endoscopic images, predicting the tensor disturbance of tissues through a deep learning model, and feeding back the updated tensor disturbance to the tensor updating module; and the tensor updating module is in two-way communication with the image fusion module and is used for superposing tensor disturbance obtained by processing the intraoperative image with the preoperative tensor. Through fusion of an image navigation technology and preoperative modeling, a three-dimensional positioning frame based on neuroendoscopy operation requirements is constructed, intelligent planning and real-time correction of a puncture path are realized, important brain regions and vascular structures are effectively avoided, intra-operative risks are reduced, and positioning precision and safety are improved.

The invention relates to the technical field of stereotactic surgery, and discloses a neurosurgery stereotactic surgery positioning system based on multi-modal image fusion, which comprises a multi-modal image acquisition module, an intelligent registration fusion module, a three-dimensional modeling module, a surgery navigation engine, an augmented reality interface and a dynamic calibration module, a cross-modal elastic registration module is arranged, when multi-modal image fusion is carried out, the spatial matching degree of a functional image and a structural image is detected in real time through a nonlinear deformation compensation algorithm, and when registration deviation exists between white matter fiber bundles and tumor boundaries, an elastic deformation compensation field is dynamically generated by a system, so that the positioning accuracy of a neural functional area is improved; and by arranging the dynamic drift correction module, the brain tissue displacement change is perceived in real time based on laser surface scanning during deep target navigation, precise correction of the pose of the surgical instrument is realized, and the positioning reliability of the deep target is ensured.

The invention relates to the technical field of medical instruments, in particular to an intelligent cerebrospinal fluid drainage monitoring system and method. The system comprises a drainage catheter, a drainage bag and a monitoring terminal, a high-precision pressure sensor, an ultrasonic flow sensor, a data acquisition and transmission module and an intelligent monitoring decision module are integrated, and corresponding pressure analog signals are acquired, calibrated and output in real time through the high-precision pressure sensor; a flow analog signal corresponding to compensation output is collected in real time through an ultrasonic flow sensor; synchronously acquiring the pressure analog signal and the flow analog signal through an ADC (Analog to Digital Converter) through a data acquisition and transmission module to generate pressure data and flow data, and transmitting the pressure data and the flow data to a monitoring terminal; and the monitoring terminal calculates the average sliding pressure and the drainage efficiency and decides to generate a multi-stage alarm signal corresponding to cerebrospinal fluid drainage. Accurate data support can be provided for neurosurgery cerebrospinal fluid drainage assistance by means of a high-precision sensor and intelligent monitoring processing.

The invention relates to the technical field of health risk assessment, in particular to a neurosurgery risk prediction method and system based on big data analysis, and the method comprises the steps: obtaining the neural signal intensity of a brain region in preoperative functional image data of a patient, analyzing the balance degree of neural signal transmission, and analyzing the balance of oxygen metabolism distribution according to the nerve conduction rate. And preoperative nerve state information is formed. According to the method, by accurately extracting the preoperative neural activity signals and analyzing the signal transmission delay, the fluctuation amplitude and the oxygen metabolism balance, the accuracy of individual neural function state evaluation is improved. In the postoperative recovery stage, the abnormal region is dynamically recognized in combination with the neural signal change trend, and the metabolism matching capacity is evaluated, so that the recovery mode is more refined. Neural network connection adjustment capability analysis enhances signal transmission stability evaluation, and abnormal region identification accuracy is improved by combining time deviation and oxygen metabolism recovery consistency.

The invention relates to the technical field of medicine, in particular to a neurosurgery navigation system and method based on light projection, the system comprises an image acquisition unit, a data processing unit and a projection unit, the data processing unit is integrated with a deformation simulation engine, a first AI module, a second AI module and a third AI module; compared with the prior art that navigation depends on static preoperative images, and guide information distortion is caused by intraoperative tissue displacement, according to the scheme, soft tissue deformation is dynamically compensated by establishing a real-time digital twin model and integrating a physical deformation simulation engine, so that navigation information can continuously and accurately cover a real anatomical position, and the navigation accuracy is improved. The problem of guiding errors is effectively solved, and the reliability and accuracy of an operation are greatly improved.

The invention relates to a composite bone repair material, a preparation method and application, the preparation method comprises the following steps: immersing silkworm cocoons in a soap salt solution for degumming, drying to prepare degummed silk, dissolving the degummed silk in a lithium bromide solution, dialyzing for desalting, and concentrating to obtain a regenerated silk protein solution; mixing the regenerated silk fibroin solution with a gelatin solution to obtain a gel solution; mechanically shaking the gel solution, so that the gel solution is uniformly mixed, uniformly distributed bubbles are formed in the gel solution, and a silk protein / gelatin gel block is obtained; soaking and cleaning the silk protein / gelatin gel block in an ammonium sulfate solution to obtain silk protein / gelatin cross-linked gel; and freeze-drying the fibroin / gelatin cross-linked gel to obtain the fibroin / gelatin composite material. The composite bone repair material has the advantages that the composite bone repair material has a bionic porous structure, has excellent mechanical properties and also has good biocompatibility and osteogenic activity. The material can be applied to filling and regeneration repair of skull defects of the orthopedics department, the oral cavity, the plastic surgery (maxillofacial) and the neurosurgery department, and has high industrial production and clinical application prospects.

The invention relates to the technical field of medical informatics, in particular to a neurosurgery patient comprehensive diagnosis and treatment system which comprises a multi-mode state monitoring module, a dynamic trend evaluation module, a consciousness function analysis module, an optimization nursing intervention module and a nursing risk early warning management module. According to the method, key features are extracted in combination with image information, health indexes and behavior changes, serialized monitoring of intracranial lesions, physiological fluctuations and behavior modes is achieved, vital signs and behavior change trends are fused, continuity and objectivity of patient state evaluation are improved, the accuracy of risk identification is enhanced, and the risk identification efficiency is improved. According to the method, a health state change rate evaluation mode is introduced, the prediction capability of function recovery potential is improved, an unstable region is dynamically identified and potential risks are pre-judged in combination with an original state trajectory and intervention response difference, continuous optimization of an intervention path and active avoidance of nursing risks are realized, and the collaboration and continuity of comprehensive management are enhanced.

The invention discloses a tracheal catheter capable of preventing flushing fluid from entering an esophagus. The tracheal catheter is suitable for operations of oral cavities, nasal cavities, neurosurgical skull bases and the like. Comprising a tracheal catheter module and a partition cuff module, the tracheal catheter module comprises a tracheal catheter body, a connector, an air bag and a first inflation tube. The connector, the air bag and the first inflation tube are arranged on the tracheal catheter body. The partition cuff module comprises a cuff, a diaphragm layer, a second inflation tube and a suction tube, the cuff is arranged at the tongue root position of the tracheal catheter body, and a diaphragm layer hole with an overflowing hole is formed in the upper side face of the cuff; a second inflating tube and a suction tube are arranged on the tracheal catheter body; when the cuff is inflated and expanded, the internal air pressure of the cuff is low pressure, the middle of the cuff is sunken downwards, and the periphery of the cuff is tilted and clings to the mucosa of the throat of a patient. The tracheal catheter effectively blocks the connection between the oral cavity and the esophagus, prevents flushing fluid from entering the esophagus and the stomach, and has important significance for improving the safety and success rate of oral cavity and neurosurgery skull base operations.

The invention discloses a partial pressure type extensible medical elastic cap, and relates to the technical field of neurosurgery postoperative nursing instruments, the partial pressure type extensible medical elastic cap comprises a partition debugging assembly, the outer surface of the partition debugging assembly is provided with a connecting assembly, and the partition debugging assembly comprises an elastic cap body. According to the partial pressure type extensible medical elastic cap, in order to improve the practicability of the elastic cap for head pressure bandaging after the craniocerebral operation, the main body width of the elastic cap body is increased to 10 mm, the gradient pressure weaving technology is adopted, the central area is formed by processing a high-elasticity weaving layer, the low-pressure area is formed by processing a low-elasticity weaving layer, the cutting feeling can be reduced, and the elastic cap is more practical. The elastic cap can be prevented from being in contact with auricles, opening and closing of the elastic cap can be achieved through the combination of the two corresponding neodymium magnets, the purpose of locally pressurizing the head of a patient can be achieved by pressurizing the air bag, and the elastic cap is convenient to use. The problem that a traditional medical elastic cap in the prior art is simple in structure and low in practicability is solved.

The invention belongs to the technical field of medical infusion, and particularly relates to a neurosurgical nursing infusion device which comprises a base, a supporting rod and a supporting plate, the base is fixedly arranged at the lower end of the supporting rod, the supporting plate is fixedly arranged at the upper end of the supporting rod, and the neurosurgical nursing infusion device further comprises a weighing hook which is arranged below the supporting plate and connected with the weighing hook. The weighing hook is used for lifting the medicine bottle; and the electromagnetic lifting mechanism is arranged at the upper end of the weighing hook. According to the invention, the RFID tag reader and the PLC are used for checking the information of medicines and patients, so that the risk of medicine use errors is reduced; a weighing sensor and an electromagnetic lifting mechanism are used for automatically adjusting the height of a medicine bottle according to liquid level changes in the medicine bottle, the infusion speed is stabilized, and the treatment effect is guaranteed; by means of the automatic speed reduction mechanism, the infusion speed is automatically reduced when liquid medicine in a medicine bottle is almost emptied, risks such as air embolism are avoided, meanwhile, an infusion tube can be heated, the infusion comfort of a patient is improved, and adverse reactions caused by low-temperature infusion are avoided.

The invention relates to the technical field of multi-modal registration, in particular to a neurosurgery visual operation navigation system based on multi-modal fusion, which comprises a feature fusion module, an image correction module, a deformation correction module, a layer labeling module and a navigation interaction module. According to the method, a DTI image and a CT image are aligned through three-dimensional pairing, white matter fiber and temporal bone edge directions are extracted, feature integrity is enhanced, edges are corrected through a structural similarity algorithm, space mapping precision is improved, a blood vessel center line and an ultrasonic image edge point track are combined, deformation is corrected, and drift and artifacts in an operation are restrained; the structure continuity of the blood vessel and the fiber is guaranteed, the positions of the white matter fiber and the blood vessel are integrated, a consistent directional diagram layer is formed, the navigation response sensitivity is improved through three-dimensional distance evaluation, a self-matching adjustment mechanism is set, the feature fusion and correction precision is enhanced, image deviation interference is reduced, and the navigation real-time performance and the analytic performance are improved.

The invention discloses a neurosurgery postoperative care system and method based on AI, and particularly relates to the technical field of medical care. According to the method, the basic parameter set and the characteristic parameter set of the patient are constructed, the basic parameter set is encoded, nursing cases of the same type of patients in the nursing database are accurately matched, and the adaptive scheme is screened; further calculating an effect-like comprehensive coefficient, namely preferentially selecting a scheme which is highly matched with the individual characteristics of the current patient and has an excellent effect as a preliminary scheme by combining the deviation degree of the physiological indexes of the patient and the case, the complication score of the case, the recovery efficiency, the rehabilitation score and the like, and sending the preliminary scheme to medical personnel to secondarily edit the preliminary scheme; finally, a personalized nursing scheme completely fitting the individual condition of the patient is formed, and the problems that in the prior art, most of traditional nursing schemes are formulated by medical staff based on a universal nursing guide, the formulating efficiency is greatly reduced, and the nursing effect cannot be guaranteed are solved.

The present invention relates to the use of selective aquaporin inhibitors, e.g., of aquaporin-4 or aquaporin-2, e.g., certain phenylbenzamide compounds, for the prophylaxis, treatment and control of aquaporin-mediated conditions, e.g., diseases of water imbalance, for example edema (particularly edema of the brain and spinal cord, e.g., following trauma or ischemic stroke, as well as the edema associated with glioma, meningitis, acute mountain sickness, epileptic seizures, infections, metabolic disorders, hypoxia, water intoxication, hepatic failure, hepatic encephalopathy, diabetic ketoacidosis, abscess, eclampsia, Creutzfeldt-Jakob disease, and lupus cerebritis, as well as edema consequent to microgravity and / or radiation exposure, as well as edema consequent to invasive central nervous system procedures, e.g., neurosurgery, endovascular clot removal, spinal tap, aneurysm repair, or deep brain stimulation, as well as retinal edema), as well as hyponatremia and excess fluid retention, and diseases such as epilepsy, retinal ischemia and other diseases of the eye associated with abnormalities in intraocular pressure and / or tissue hydration, myocardial ischemia, myocardial ischemia / reperfusion injury, myocardial infarction, myocardial hypoxia, congestive heart failure, sepsis, and neuromyelitis optica, as well as migraines, as well as to novel assays for identifying aquaporin inhibitors.

The invention discloses a pig brain deep brain stimulation DBS electrode planning and reconstruction system and method, and belongs to the technical field of medical image processing and neurosurgery path planning. An automatic registration module based on a magnetic resonance (MR) image and a pig brain standard map is used for accurately identifying a target brain region; the in-target optimal electrode trajectory planning module based on principal component analysis (PCA) and the electric field simulation module based on a Hodgkin-Huxley model are used for optimizing the treatment effect and predicting the tissue activation volume (VTA); and a multi-modal hybrid registration module based on postoperative computed tomography (CT) and preoperative MR images, which is used for accurately reconstructing the actual position of the electrode. According to the invention, through combination of automatic and data-driven planning and accurate postoperative verification, the accuracy, reliability and efficiency of electrode implantation in pig brain DBS research are significantly improved.

The invention provides a neurosurgery data processing method and system, and relates to a data processing technology, by constructing a medical image database, recorded patient data can be marked and classified in combination with indexes of multiple dimensions, and the classification basis can comprise indexes such as disease types, lesion positions, shapes, volumes and the like. Therefore, the data in the medical image database can be mapped to the virtual medical auxiliary tool, such as a virtual operation guide plate, the operation data matched with the lesion information of the current patient is recommended to a doctor through the mapped data, more accurate operation reference is provided, and the scientificity of operation decision making is improved.

The invention discloses a flushing and suction surgical operation device with a visualization function, and relates to the technical field of neurosurgical operation instruments.The flushing and suction surgical operation device with the visualization function comprises a working rod and a handle conforming to ergonomics, a lens seat is embedded in the left end of the working rod, and a visualization assembly is arranged in the working rod; the visual assembly comprises a pushing motor, an image sensor and a camera, the pushing motor adjusts the position of the camera through an electric push rod, it is ensured that a lens and the camera are accurately coaxial, infrared light supplementing blocks in a 15-degree included angle circumferential array are arranged on the outer side of the second lens, the lens is covered with a hydrophobic-wear-resistant composite layer in a protective cover mode, and a suction pipe and a flushing pipe are arranged in a working rod and a handle in a penetrating mode. According to the device, the imaging precision and light supplementing suitability of an operation area are improved, lens cleaning interruption is reduced, the single-hand control core function is achieved, the operation safety and efficiency are enhanced, and the device is suitable for operations in narrow operation areas such as skull bases.

The invention relates to the technical field of medical informatization, in particular to a neurosurgical disease diagnosis and prognosis prediction system and method based on machine learning, and the system comprises a data collection module, a processing module, a disease diagnosis module, a prognosis prediction module, a model evaluation module and a result output module. The system fuses clinical, image and survival data, and after preprocessing, screening and feature extraction, disease classification and prognosis prediction are performed by using a support vector machine and a random forest algorithm. Diagnosis and prognosis prediction are obtained by comparing algorithm results, and the model evaluation module dynamically adjusts the algorithm weight and optimizes the prediction accuracy. And finally, the system integrates diagnosis, prediction and evaluation results to generate a visual diagnosis report. According to the innovative design, multi-source data fusion, multi-model collaboration and dynamic optimization are achieved, the diagnosis accuracy and prediction reliability are remarkably improved, powerful support is provided for clinical decision making, and the method is expected to play an important role in improving the diagnosis and treatment level, improving patient prognosis and optimizing medical resource allocation.

The invention relates to a neurosurgery stereotactic surgical robot remote function sharing device and method.The device comprises a motion catcher, a local control device, a mechanical arm, a remote positioning part, a remote working part and a remote control device, and the motion catcher and the local control device are located at the local position provided with a surgical robot; the mechanical arm, the remote positioning piece, the remote working piece and the remote control device are located at remote positions; the action capturer is used for capturing pose and motion information of an original positioning piece or a working piece clamped on the surgical robot in real time, and sending the pose and motion information to the remote control device through the local control device; the mechanical arm is used for clamping a remote positioning piece or a working piece, and the remote control device is used for receiving the posture and motion information of the original positioning piece or working piece and controlling the mechanical arm to perform synchronous action. According to the device and the method, related functions can be remotely shared in a scene without a neurosurgery stereotactic surgical robot at low cost.

The invention belongs to the technical field of minimally invasive surgical instruments for neurosurgery, and discloses a neuroendoscopy working channel implantation method and a neuroendoscopy channel device. The neuroendoscopy working channel device comprises a puncture assembly and a channel suite; the puncture assembly comprises a sheathing canal and a puncture needle, an inner-layer expansion air bag is nested outside the sheathing canal, and a central hole channel capable of penetrating through the puncture needle is formed in the sheathing canal; the channel suite comprises an inner tube, an outer-layer dilation air bag and a metal support, the metal support is provided with a front guiding section and a rear dilation section, the diameter of the front guiding section is smaller than that of the rear dilation section, the outer-layer dilation air bag is nested outside the inner tube, and the rear dilation section of the metal support is nested outside the outer-layer dilation air bag. According to the invention, the puncture assembly is provided with the inner-layer expansion air bag, and the channel suite is provided with the outer-layer expansion air bag, so that step-by-step expansion from small to large can be executed at least based on the inner-layer expansion air bag and the outer-layer expansion air bag, only one-time placement of the channel suite needs to be executed, the operation is convenient, and meanwhile, damage to brain tissues can be effectively avoided.

The invention provides a neurosurgery postoperative aspiration risk grading detection head band and a neurosurgery postoperative aspiration risk grading detection system based on impedance sensing, and relates to the technical field of medical detection, the neurosurgery postoperative aspiration risk grading detection head band comprises a band body, a flexible electrode array, a signal processing unit and a wireless transmission chip, the flexible electrode array is integrated on the inner side of the band body and is used for collecting biological impedance signals of anterior cervical muscle groups; the signal processing unit is electrically connected with the flexible electrode array and is used for preprocessing and demodulating the impedance signal; the wireless transmission chip is connected with the signal processing unit and is used for uploading the processed signal to the cloud control platform; the flexible electrode array is integrated on the belt body, non-invasive and comfortable continuous monitoring is achieved, the electrodes are attached to the curved surface of the anterior cervical muscle group, stimulation of traditional invasive electrodes to the skin is avoided, the belt body is designed through elastic spandex, use is convenient, the device adapts to the head circumference of different patients, and the comfort of long-term wearing is ensured.

The invention relates to the technical field of neurosurgery navigation, in particular to a neurosurgery brain puncture path accurate planning method and system.The neurosurgery brain puncture path accurate planning method comprises the following steps that by obtaining a preoperative brain function area image and nerve fiber bundle data, a function area range and sensitivity are extracted, a focus and cranial entry point path set is constructed, and a path set is established; the method comprises the steps of analyzing the distance between a path and a functional area and a fiber bundle included angle, calculating a functional interaction risk, dividing path sections and calculating the distances to a blood vessel, a ventricle and the functional area, generating obstacle field intensity and calculating a gradient difference, constructing a risk map, scoring candidate paths, and screening an optimal path to generate a puncture result. The method comprises the following steps: extracting a brain function region range and a fiber bundle direction, introducing a function sensitivity parameter, improving tiny damage identification, calculating obstacle field intensity in a path segmentation manner, forming a gradient, dynamically identifying a high-risk region, grading and screening candidate paths by integrating risk factors, performing function protection and risk reduction, and improving path planning refinement and safety.

The invention discloses an adjustable 3D printing temporal bone surgery training model and a training method thereof.The 3D printing technology is adopted, printing materials similar to all structures and textures of a human body are selected to manufacture a simulated temporal bone model, a clinical temporal bone surgery conventional approach is integrated in the model, and a clinical operation scene is simulated; preoperative training and planning of ear neurosurgery are assisted; meanwhile, digital technologies such as CT scanning and 3D scanning are utilized, and personalized customization of the simulated temporal bone model for special cases is achieved through the 3D printing technology.

The utility model relates to a neurosurgical device channel head end which is applied to the technical field of medical instruments and comprises a head end body, an endoscope channel and a flushing channel which are identical in extending direction are arranged on the head end body, and a guide end face is arranged in the direction right opposite to an outlet of the flushing channel. And the guide end face obliquely extends from the position of the flushing channel to the outlet end of the endoscope channel. When the head end body is used, the head end body is installed at the end of the guiding pipeline, the endoscope is arranged in the endoscope channel, the end of the flushing pipe is installed in the flushing channel, when the mirror face of the endoscope needs to be cleaned, flushing liquid from the flushing pipe is flushed out from the flushing channel, and the guiding end face is arranged right in front of the flushing liquid and obliquely extends towards the mirror face of the endoscope. Therefore, the flushing fluid is guided to one side of the mirror surface of the endoscope, the mirror surface of the endoscope can be directly flushed, the flushing effect is improved, the imaging effect is further improved, and the surgical efficiency and accuracy are improved.

The invention discloses an accurate regulation and control instrument for ventricular drainage, and relates to the technical field of neurosurgical medical equipment, the accurate regulation and control instrument for ventricular drainage comprises a fish-shaped clamp, the clamp is formed by connecting symmetrical arc-shaped clamping blocks through a rotating shaft, the inner wall of the clamp is provided with a fixing groove and an arc-shaped air bag I, and the air bag I is embedded with a flow sensor and is provided with semispherical anti-skid grains; the clamp is matched with an elastic plate to form fixation, a controller, an air pump and an electromagnetic valve are arranged on the side portion of the clamp, a second pressing type air bag is additionally arranged, an air path is matched with a pressure gauge, and all the components are in signal connection with the controller. During work, the first air bag is inflated to flexibly extrude the drainage tube, the flow sensor collects data in real time, and the controller is linked with the air pump and the electromagnetic valve to regulate and control the opening degree of a tube cavity in a closed loop mode so as to accurately control flow. Continuous drainage is guaranteed through double-mode air supply, operation is convenient through a convenient clamping structure, the precision is high, the device is suitable for drainage tubes of multiple specifications, the medical care load is reduced, and the clinical treatment safety and continuity are improved.

The invention discloses a neurosurgery interventional therapy implantation dosing device, and belongs to the field of medical instruments, the neurosurgery interventional therapy implantation dosing device comprises an injection seat, the injection seat is provided with a first storage cavity for storing liquid medicine, the injection seat is provided with a catheter communicated with the first storage cavity, and the injection seat is fixedly provided with a first silica gel pad; the injection seat is provided with a flow guide assembly, the flow guide assembly is used for collecting tissue fluid generated by body rejection, the injection mechanism is fixed on an arm of a patient through a binding assembly, the injection mechanism is matched with the driving mechanism to add a medicament into the injection seat, and a flow guide groove in the outer wall of the injection seat guides the peripheral tissue fluid to flow. The supporting net facilitates the tissue fluid to enter the second storage cavity along the flow guide grooves, the arc-shaped plates in the second storage cavity are matched with the flow guide holes in the arc-shaped plates, the tissue fluid smoothly flows into the second storage cavity, and the structure constructs an efficient drainage path to efficiently collect the tissue fluid.

The utility model belongs to the technical field of medical instruments, and discloses a light source smoke suction tungsten needle knife, a control panel and a power line are welded downwards, the power line penetrates out of the lower end of a handle, internal electric control parts are integrated in the control panel, an electric resection button, an electric coagulation button and a light source button are installed in the handle from the inside and extend to the outside, and a lamp bead is integrated at the front end of the control panel. The insulating head is pressed into the functional tube of the tungsten needle cutter head, the electrode extends out of a middle hole of the insulating head, and a high-temperature-resistant wrapping tube is arranged at the outer end of the electrode. The electrocision and electrocoagulation illuminating device is better in electrocision, electrocoagulation and illuminating effects. The tungsten needle cutter head can be stretched and retracted to any length, and the open type operation requirement is met. The electrode head is anti-adhesion, scabbing and adhesion are prevented, and the unique design of the electrode head ensures the cutting efficiency. The tip of the tungsten needle knife head is more tapered, and the tungsten needle knife head is more resistant to high temperature, more stable, more durable, safer, easier to carry out fine ablation operations such as neurosurgery, brain department and the like, and finer.

The utility model relates to the technical field of artery clamps, and provides an aneurysm clamp for neurosurgery, which comprises a clamp main body, the clamp main body comprises a first clamp and a second clamp, lock catch rods are arranged at the same parts of the first clamp and the second clamp, and the first clamp and the second clamp are jointly connected with a spring. According to the aneurysm clamp, due to the arrangement of the buckle and the clamping piece, when a person uses the aneurysm clamp, the clamping piece clamped on the buckle on one side of the first clamp is replaced, the clamping piece is clamped on the buckle on one side of the second clamp, and therefore the aneurysm clamp can be used conveniently. The buckle connecting piece is clamped and fixed according to the buckle groove of the gap between the inclined pieces, and the buckle is extruded through the gap between the connecting piece and the inclined pieces, so that when the first forceps and the second forceps are used for clamping the aneurysm, the first clamping piece and the second clamping piece can be replaced according to the requirement of an operation; therefore, the problems generated in the operation process are solved.