301 results about "Operative time" patented technology

The invention relates to the field of medicine, and discloses a thyroid nodule surgical operation planning and navigation system based on artificial intelligence, which comprises a multi-modal medical image acquisition module, an image preprocessing and enhancing module, an intelligent anatomical structure analysis module, an operation planning decision module and an intraoperative real-time navigation module, the multi-modal medical image acquisition module is used for integrating data of various image equipment such as ultrasonic equipment, CT equipment and MRI equipment, and space-time consistency of multi-modal images is ensured. According to the thyroid nodule surgical operation planning and navigation system based on artificial intelligence, the real-time calculation problem is solved, the system delay is reduced, which is crucial to real-time navigation in an operation, the real-time performance and the operation efficiency are improved, the operation time is shortened, and complications are reduced; by integrating the advantages of different images, the system can provide more comprehensive dissection views, help doctors to more accurately position nodules and important structures and avoid injury to nerves and blood vessels, so that the accuracy is improved, and the surgical risk is further reduced.

The invention discloses a sliding table motion control method and device for a laparoscopic surgical robot, and relates to the technical field of surgical robos.The method comprises the steps that a lesion three-dimensional model is established based on a lesion CT image, a target area and boundary coordinates of the target area are obtained, and a coordinate transformation matrix is calculated for space registration to obtain a unified coordinate system; selecting a moving mode according to the user control instruction; recording operation data of users, classifying the users to obtain corresponding force speed curves, force displacement sequences and habitual force, and establishing a comprehensive control model and an error compensation model; when entering a fine adjustment mode, inputting a real-time distance, a user type and a force displacement sequence into a comprehensive control model, determining a regulation and control scheme, and reversely correcting output displacement according to a real-time positioning error, so that the auxiliary surgical instrument reaches a target position; high-precision motion control over the sliding table (2) of the laparoscopic surgery robot is achieved, the surgery time is remarkably shortened, the target position of an auxiliary instrument is accurately and rapidly positioned, and the surgery efficiency is improved.

The invention discloses an adjustable bending clip applier which comprises a control device, a clip rod arranged on the control device and a clip head device arranged on the clip rod, the clip rod comprises an outer sleeve, a rotating base arranged on the clip head device and connected with the outer sleeve, a mandrel and a steel cable, and the mandrel and the steel cable are arranged in the outer sleeve. The control device comprises an adjusting assembly, the two ends of the mandrel are rotationally connected with the tong head device and the adjusting assembly respectively, the mandrel is used for controlling opening and closing of the tong head device, the two ends of the steel cable are connected with the rotating base and the adjusting assembly respectively, and the steel cable is used for controlling bending adjustment of the tong head device. Compared with the prior art, the bending-adjustable forceps head device has the advantages that the moving range of the forceps head in the cavity is increased in the clinical use process, aiming at complex lesions in a narrow space area, a doctor can conveniently adjust the angle, the operation time is shortened, and the operation efficiency is greatly improved.

The utility model provides an automatic sensing device suitable for orthopedic surgery. The automatic sensing device comprises a force sensor, a visual sensor and a drilling module which are used for being assembled on a mechanical arm of a surgical robot. Wherein the drilling module is used for assembling a drilling tool and pushing the drilling tool to execute drilling operation; the force sensor is used for detecting torque information of the drilling tool in the drilling operation; the visual sensor is used for acquiring image data of an operation area; wherein the force sensor, the visual sensor and the drilling module are respectively connected with a control system of the surgical robot; and the control system is used for receiving the moment information and the image data and controlling the drilling module to drill towards the surgical area at the target moment. By means of the device, the position and action of the drilling tool can be accurately controlled so as to assist a doctor in completing an operation, application in complex and fine operations is achieved, the complexity in the operation process is reduced, and the operation time is shortened.

The utility model provides a strutting test mould, including holding rod, actuating component and two oppositely arranged bracing plate, holding rod includes the near end block that is provided at the far end and axial through inner cavity, actuating component includes drive piece, far end block and transmission structure, drive piece can be movably penetrated in holding rod inner cavity, drive piece is equipped with the far end block and transmission structure, and drive piece is equipped with the far end block and transmission structure, and the drive piece is equipped with the far end block and transmission structure. The near-end block and the far-end block are both in sliding connection with the two supporting plates, the transmission structure is in transmission connection with the far-end block and the driving part, the driving part is rotated to drive the far-end block to move towards or away from the near-end block, and the two supporting plates are opened or closed accordingly. According to the expandable test mold, a doctor can accurately simulate the condition of an implant in a body only through one surgical instrument, test mold instruments with different specifications and sizes do not need to be frequently inserted and taken out in the surgical process, the surgical time can be shortened, damage to surrounding tissue can be avoided, and pain of a patient and surgical risks are reduced.

The invention relates to the field of medical apparatus and instruments, in particular to an intelligent sensing puncture and injection integrated device for percutaneous vertebroplasty, which comprises a handle, a puncture needle and a pair of needle top seats, a needle sleeve extending leftwards is arranged in the center of the handle, a top seat groove is formed in the right end of the handle, the puncture needle is slidably mounted in the needle sleeve, and a needle tip part extends leftwards out of the needle sleeve; the pair of needle top seats is fixedly installed in the top seat groove, needle grooves are formed in the pair of needle top seats, the tail end of the puncture needle is installed in the needle grooves in a sliding mode, and a miniature pressure sensor is installed between the tail end face of the puncture needle and the bottom end face of each needle groove. The system can sense and remind doctors of risks in the current puncture process in real time, help the doctors to make adjustments in time, ensure safe operation, and improve the accuracy and success rate of the operation; the surgical operation process is simplified, and the surgical time and complexity are reduced; through control of the bone cement injection temperature, accurate control of the bone cement curing speed can be achieved, and the risk of bone cement leakage is effectively reduced.

The invention discloses a spine endoscopic device and a supporting bracket, and relates to the technical field of medical equipment.The spine endoscopic device comprises a bottom plate, the bottom plate comprises a connecting frame, the upper surface of the connecting frame is fixedly connected with two assisting frames, and the outer surface of each assisting frame is sleeved with a protective lantern ring. By arranging the adjusting unit of the support fixing and adjusting mechanism, the position and the using angle of the support can be adjusted in a large range during fixing, the using flexibility of the support is improved, and in the operation process, if it is found that the position or the angle of endoscopic equipment needs to be adjusted, the position and the angle can be adjusted during fixing of the support; compared with the prior art, the support can be prevented from being disassembled and installed again, precious operation time is saved, a doctor can rapidly adjust the support to a proper position to continue operation, operation efficiency is improved, and meanwhile the support capable of being adjusted in a large range can be suitable for more operation scenes.

The present disclosure relates to an artificial lumbar disc and provides a lateral approach artificial disc that is inserted laterally rather than anteriorly of the spine, thereby preventing damage to blood vessels or other organs that may occur when an anterior access artificial disc is inserted from the front, shortening the surgical time, preventing dislodgment of the artificial disc, and improving the surgical prognosis. The artificial disc is inserted between two adjacent vertebrae and includes an upper plate contacting an upper vertebra, a lower plate contacting a lower vertebra, and an inserter inserted between the upper plate and the lower plate to allow the upper plate to rotate by a set angle with respect to the lower plate, and an upper wing portion and a lower wing portion are formed on the upper plate and the lower plate.

The invention discloses a hip joint surgical robot grinding and rubbing detection system and a detection tool thereof, and relates to the technical field of medical instruments. The device comprises a bottom plate and a grinding and rubbing assembly, a hip model assembly is fixedly connected to one side of the top of the bottom plate, an acetabular fossa model assembly is fixedly connected to the other side of the top of the bottom plate, and a tracer support is fixedly connected to the position, located at the rear end of the acetabular fossa model assembly, of the top of the bottom plate. The grinding and rubbing precision can be monitored in real time in the operation process, immediate feedback is provided, an operation team can find and correct errors in the grinding and rubbing process in time, the success rate of the operation is increased, tiny grinding and rubbing errors can be detected by accurately measuring the ball center position of the grinding and rubbing contour, it is ensured that the surgical robot achieves high-precision grinding and rubbing operation, and the working efficiency is improved. Multiple times of X-ray or CT scanning needed by traditional postoperative imaging evaluation are avoided, the radiation risk of a patient is reduced, the grinding and rubbing precision detection process is simplified, the operation time is shortened, and the operation complexity is reduced.

The invention discloses a remotely-controllable coronary heart disease automatic radiography injection device, and belongs to the field of medical instruments. Comprising an injection device shell, one side of the injection device shell is connected with a remote control end through a wire, and a four-way pipe is arranged on one side of the inner surface of the injection device shell in a penetrating mode; through the automatic injection assembly, the injection speed and dosage of a contrast agent and other injections in the coronary angiography process can be accurately controlled, the pressure in a ventricular cavity is displayed in real time, automatic pressure alarming is achieved, injection injection injection is stopped in time, and complications such as vascular interlayer and laminar flow are avoided; automatic exhaust is achieved through the air valve, it is ensured that pushing injection is conducted after air is exhausted, and adverse events such as air embolism caused by incomplete manual exhaust in a traditional coronary intervention operation are avoided; the whole-course operation is simple, the radiography speed is increased through automatic, intelligent and other precise operations, the operation time is saved, and the operation safety, standardization and stability are improved.

To provide a system and a method for analyzing and reviewing surgical operation video that enables a surgeon to view an operation event to give decision support and / or efficiently and effectively analyzes the surgical operation video so as to facilitate after-operation activities.SOLUTION: A method for reviewing surgical operation video includes the steps of: accessing at least one video of a surgical procedure; causing the at least one video to be output for display; overlaying on the at least one video output for display a surgical timeline, wherein the surgical timeline includes markers identifying at least one of a surgical phase, an intraoperative surgical event, and a decision making junction; and enabling a surgeon, while viewing playback of the at least one video, to select one or more markers on the surgical timeline, and thereby causing a display of the video to skip to a location associated with the selected marker.SELECTED DRAWING: Figure 5

The invention relates to the technical field of medical apparatuses and instruments, and provides a hand-simulated microsurgery robot which comprises a mechanical arm and a far-end instrument, the far-end instrument comprises a first mounting seat, a driving device and two oppositely-arranged clamping jaws, the first mounting seat is mounted at the execution tail end of the mechanical arm, and the clamping jaws and the driving device are mounted on the first mounting seat. The driving device is in driving connection with at least one clamping jaw and is used for driving the clamping jaw to move relative to the first mounting seat, so that the two clamping jaws can relatively move in the first direction, the second direction and the third direction; the two clamping jaws move relatively in the third direction so that the two clamping jaws can be opened and closed mutually, and included angles are formed between the first direction, the second direction and the third direction. The far-end instrument of the humanoid hand microsurgery robot is easy to machine, the posture of a clamped object can be adjusted only through the two clamping jaws, the surgery time consumed for posture adjustment is shortened, and the surgery efficiency is improved.

The invention relates to the technical field of operation time prediction, in particular to an operation time real-time prediction model based on preoperative and intraoperative information and an artificial neural network, which comprises the following steps: a data acquisition module, construction of an artificial neural network model, a data preprocessing module and real-time deployment. The data acquisition module comprises the following steps of collecting a large amount of performed operation data in advance, including preoperative information, intraoperative information and actual operation time, classifying operation types and difficulty levels, classifying physical states of operation doctors, and performing preoperative acquisition; data of age, gender, weight, health condition, basic disease and previous operation records of a patient are subjected to collection model selection, a neural network is fed forward, and a simple multi-layer sensor is adopted; according to the scheme, the preoperative physical condition of the patient is compared with the previous operation record, the experience of an operation doctor is collected, and the sudden unexpected condition in the operation is predicted, so that the operation time is predicted and evaluated.

The invention relates to the technical field of medical data processing, and discloses a hip joint bone cartilage forming operation planning method, system and equipment based on a reverse motion envelope surface and a medium, and aims to accurately identify a bone impact area through all-attitude three-dimensional collision detection and remarkably reduce missed diagnosis and excessive resection risks; the device adapts to multiple pelvis postures, and limitation of a single posture is avoided; an inverse motion enveloping strategy is adopted, so that the operation efficiency and precision are improved, and the submillimeter resolution is realized; a multi-attitude and time dimension collision detection process is simplified, a potential conflict area is quickly obtained through union set operation, and digital operation planning is greatly facilitated. In addition, a doctor can be assisted in obtaining a three-dimensional visual'to-be-cut-off area 'before an operation, and the operation time is shortened; human experience errors are reduced, and the postoperative joint motion range is improved; the hip joint protection surgery is promoted to be converted from a two-dimensional scheme to a'three-dimensional + time 'multi-dimensional refined planning, and the method has important significance in reducing surgical wounds and improving postoperative functional recovery.

The invention relates to the technical field of surgical operations, in particular to an AR-based intelligent vision use method applied to surgical operations. The method comprises the following steps: S1, acquiring an anatomical structure image of a patient in real time through AR glasses equipment, and performing multi-modal fusion registration on the anatomical structure image and preoperative CT, MRI and 3D ultrasonic image data to generate a dynamic three-dimensional surgical navigation model; according to the method, multi-mode image fusion is combined with dynamic three-dimensional navigation, submillimeter intraoperative positioning is achieved, the misoperation risk is remarkably reduced, the intraoperative adjustment frequency is reduced through eye-controlled amplification and real-time early warning, and the operation time is shortened; meanwhile, the virtual screen and microscope linkage technology relieves the burden of the cervical vertebra and reduces the neck load of medical staff, and compared with a traditional teaching mode through holographic labeling and operation tracks, the training period of doctors can be obviously shortened, idle equipment can be automatically recognized, and the surgical accuracy, efficiency and medical resource popularity can be comprehensively improved.

The invention provides a perioperative period operation time prediction method, a perioperative period operation time prediction model and a perioperative period management system, and the perioperative period operation time prediction method comprises the following steps: obtaining patient information collected and checked by a nurse, and determining operation starting time; dividing the operation process into a plurality of stages according to the flow; operation names, levels and surgeon information are obtained, and the duration of each stage of the operation is evaluated; the operation time prediction model predicts the duration required by the whole operation process according to the duration of each stage, and pushes the estimated duration or the estimated end time of the operation to the display terminal to realize dynamic information sharing of the operation patient; in the operation process, the operation time prediction model collects information uploaded in each stage in real time, processes the uploaded information and dynamically corrects the operation estimated duration or the operation estimated end time. According to the invention, the accuracy of the operation prediction duration is improved. The invention also provides a model for realizing the prediction method and a perioperative period management system.

The utility model relates to an adjustable bending electric snare which comprises a handle rod piece, a handle sliding ring, an outer pipe, a snare and an inhaul cable, a rotating button is installed at the front end of the handle rod piece, a traction handle is arranged on the rotating button, the traction handle is in rotating fit with the rotating button, and the traction handle is connected with a traction wire; a through hole is formed in the side wall of the outer tube, the front end of the traction wire extends out of the front end of the outer tube after passing through the through hole, and the front end of the traction wire is fixedly connected with the front end of the loop; when the traction handle rotates, the sleeve ring is driven by the traction wire to bend. Operation on narrow parts of an endoscope can be effectively avoided, operation time is saved, pain of a patient is relieved, and operation of a doctor is simpler and more convenient.

The invention belongs to the technical field of medical instruments, and relates to a telescopic intracranial aspiration and flushing system and an operation method. The problems that an existing endoscope is not high in function integration level, large in occupied operation space, long in operation time and lack of reference in the operation process are solved. The system comprises an endoscope module and a visual guiding module, the endoscope module and the visual guiding module cooperate to form an intracranial focus precise treatment integrated system under visual guiding, and full-process collaborative operation from focus detection, deep management and control to layered suction and synchronous flushing is achieved; the operation method comprises the steps of instrument assembly, focus detection and depth marking, operation chamber establishment, suction parameter presetting, negative pressure pipeline connection, layered suction and synchronous flushing, operation ending and the like. The endoscope tube, the suction tube, the flushing tube, the control button, the unlocking button, the adjusting hole and the like are integrated on the handle, one-hand operation is achieved, the operation steps are simplified, the operation space is saved, and the cooperation efficiency is improved.

The adjustable spine osteotomy device comprises two power distribution boxes, the ends, close to each other, of the two power distribution boxes are rotationally connected, a second driving rod is rotationally installed at the bottom of one power distribution box, and a knife handle rod is arranged below the second driving rod; a first driving mechanism is jointly mounted in the two power distribution boxes, a mounting rod is mounted at the bottom of the knife handle rod, a plurality of blades are rotatably mounted at the bottom end of the mounting rod, a second driving mechanism is arranged at the bottom end of the knife handle rod, and a recycling mechanism for collecting part of bone debris is arranged on the outer wall of the knife handle rod. According to the bone grinding device, before the multiple blades are used, the second driving mechanism arranged at the bottom end of the knife handle rod can be used for driving the unfolding angles between the multiple blades to be gradually adjusted, the use requirements of bone grinding of different patients can be met, the workload of doctors is reduced, meanwhile, the operation risk of the patients can be reduced, and the operation time of the patients can be shortened.

The present invention describes systems, methods and apparatus for a bone-mounted robotic-assisted orthopedic surgical system. The system allows for precise implant positioning, soft tissue balancing and tool navigation during surgery, particularly in partial or total knee replacement surgery. The system uses a bone-mounted robotic arm with an end effector to achieve precise surgical tool positioning, implant position and soft tissue balancing. This configurable robotic system requires only minimal training for the surgeon, is intuitive to operate, similar to traditional instrumental surgery, and occupies a small footprint. The system can be used in conjunction with existing traditional instruments, patient-specific instruments, sensor-assisted systems and computer-assisted systems, without increasing surgical time, and with the help of robotic-assisted systems and their technology, safer and more accurate surgery can be achieved.

The present invention discloses a surgical laparoscopic knotting device, comprising: an operating part, a main body; the main body comprises a first main body and a second main body, the first main body and the second main body are configured to be operated by the operating part to move away from and approach each other around a rotation axis, a winding part is arranged on the main body, the winding part comprises a first winding part and a second winding part, the first winding part and the second winding part are configured to open and close with the first main body and the second main body moving away from and approaching each other, and an acute angle is formed between the main body and the winding part. The surgical laparoscopic knotting device of the present invention has a simple structure, and can smoothly, quickly and accurately complete knotting during the operation, especially in operations with small operating space such as laparoscopes, arthroscopy and cystoscopes, with good effects, reducing the economic burden of patients, reducing the workload of doctors, shortening the operation time and improving the success rate of the operation.

The present invention discloses a method and device for preparing a micro-hook with a fixed function sling, which belongs to the field of medical sling manufacturing. The method and device for preparing a micro-hook with a fixed function sling of the present invention have a process flow including wire loop interruption, surface melt-blowing and cooling; the preparation device includes a wire loop interruption device, a melt-blowing device, a cooling device, a mesh unwinding device and a mesh winding device. The present invention organically combines wire loop interruption and melt-blowing processes, forming irregular fluff on the short burrs formed by wire loop interruption and the surface of the mesh, thereby increasing the friction of the mesh, improving the gripping force of the sling made of the mesh in the body, reducing the risk of the sling sliding on the tissue, and saving surgical time; in addition, due to the presence of melt-blown fluff, the requirements for the shape and size of the barbs on the short burrs are reduced, which can improve the efficiency and process flexibility of the wire loop interruption process, thereby helping to improve the overall production efficiency of the sling.

The invention belongs to the technical field of prepuce ligation surgical instruments, and particularly relates to a prepuce ligation kit. Comprising an operation assembly and a loop ligature assembly. The operating assembly comprises a strip-shaped shell, and a bayonet lock connecting piece, a pull block connecting piece, a pushing piece and a connecting locking piece which are positioned in the strip-shaped shell; the loop ligature assembly comprises an upper supporting ring, a lower supporting ring, a coil positioning ring, a positioning ring bayonet lock, an elastic thread pull block, an inner cylinder, an outer ring and a bayonet lock positioning piece. Medical staff can be better helped to rapidly complete positioning and tightening of the loop ligature coil in the operation process, rapid alignment and positioning of the elastic coil are achieved through the inner and outer ring assembly, meanwhile, the inner and outer ring structure is optimized, the loop ligature device can deal with the operation situation which cannot be dealt with by an existing product, the application range of the product is widened, and the practicability is high. The elastic coil is quickly tightened and fixed through the internal positioning action structure, an operator does not need to perform additional operation, meanwhile, loop ligature is high in speed and short in time, operation time can be effectively shortened, and diagnosis and treatment efficiency is improved.

The utility model provides a kind of pulling device for endoscopic surgery, it includes connecting piece, and multiple pulling rings fixed on the connecting piece, multiple the pulling ring is sequentially spaced along the length direction of the connecting piece, and the intersection of adjacent two the pulling ring and the included angle is 72 °-120 °;The material of the connecting piece is inelastic material, and the material of the pulling ring is elastic material.The pulling ring of the present application is suitable for endoscopic dissection surgery, cooperates tissue clamp, according to different needs, pulls open mucosa, improves surgical field of view, and the number of tissue clamp can be reduced, the operation time is reduced, and the operation cost is saved.

The utility model discloses a kind of visual microinvasive injectors for living body cultivation gall, belong to the technical field of pharmaceutical manufacturing.A kind of visual microinvasive injector for living body cultivation gall, including upper shell, lower shell, limit ring, sealing plate, bottom plate, sealing ring, buckles and support block, the upper shell is sleeved in the surface of lower shell and limit ring, the limit ring is sleeved in the surface of injector barrel, limit ring one end extends to the outside of upper shell, and the other end is penetrated to the inside of lower shell.The utility model is designed as integrally-formed injector, minimally invasive surgery and visualization technology are integrated, simplify surgical procedure, even non-professional technical personnel can quickly master operation method.Integrally-formed design reduces different tools needed to switch or use in cooperation in surgery, reduces surgery time, reduces operation complexity, improves surgery efficiency and safety.

The present invention relates to the technical field of medical devices, and particularly to an intervertebral processor, which includes a brush rod. A brush is provided on the brush rod, and the brush is used to remove soft tissues between vertebrae. A driving mechanism for driving the brush rod to rotate is provided on the brush rod. When the intervertebral processor of the present invention is in use, the driving mechanism drives the brush rod to rotate, and drives the brush on the brush rod to rotate. By controlling the reciprocating displacement of the brush along the axial direction of the soft tissue, the soft tissue at the lesion site can be quickly removed, improving the surgical efficiency. There is no need to manually remove the soft tissue bit by bit, and it can be operated without personal surgical experience, reducing the surgical requirements. This avoids the problems of the existing method mainly relying on the surgical experience of the surgeon, removing the soft tissue with a scraper or other tools during the operation, having a long surgical time, low removal efficiency, being prone to errors as time goes by, and having extremely high requirements for surgical operators, which greatly increases the difficulty of the operation.

The application relates to the technical field of orthopedic puncture, in particular to an orthopedic puncture navigation system; through the cooperation of a puncture positioning module and a control module, image data and a mechanical adjusting mechanism are organically combined, high-precision planning and positioning of a target puncture point, a puncture angle and a puncture depth are realized, the dependence on the experience of an operator in traditional puncture operation is significantly reduced, the problem of inaccurate positioning caused by artificial judgment deviation is effectively solved, the operation time is greatly shortened, so as to reduce the pain and operation risk of a patient, the puncture positioning module adopts a mechanical structure of a multi-degree-of-freedom adjustable machine, through the cooperation of a horizontal distance adjusting rod, a vertical distance adjusting rod and a positioning cylinder, flexible and accurate adjustment of the position and angle of a target puncture needle in a three-dimensional space is realized, the structure is compact and the adjusting logic is clear, the adaptability of the system to different anatomical structures and operation scenes is enhanced, and the flexibility and controllability of operation are improved.

The utility model provides a surgical interventional operation instrument, which relates to the field of medical instruments, and comprises an interventional component, a sheathing canal, a handle, a flexible joint linkage assembly and a locking assembly, and the flexible joint linkage assembly comprises a control joint assembly, an execution joint assembly and at least two control lines; the execution joint assembly is connected between the far end of the sheathing canal and the near end of the intervention component; the locking assembly comprises an inner ball body and an outer ball sleeve which is movably sleeved outside the inner ball body so as to be in spherical hinge connection with the inner ball body, and the inner ball body is fixedly connected with the handle; under the action of external force, the outer ball sleeve can abut against and lock the inner ball body, so that the inner ball body and the outer ball sleeve jointly lock and control the motion posture of the joint assembly. The utility model can at least alleviate the technical problems in the prior art that the straight sheathing canal of a surgical interventional operating instrument (such as an electrosurgical operating instrument) is inconvenient for an operator to operate, complicated in operation and long in operation time, the trauma of a patient during the operation is large, and the postoperative recovery of the patient is not facilitated.

The utility model discloses a negative pressure suction tube which comprises a flushing pipeline and a negative pressure pipeline. The flushing pipeline comprises a first extension pipe, a buffer cavity and a water injection pipe; one side of the buffer cavity is communicated with the first extension pipe, and the other side of the buffer cavity is communicated with the water injection pipe; the negative pressure pipeline comprises a second extension pipe, a control pipe and a suction pipe; one end of the control tube penetrates through the buffer cavity and then is communicated with the second extension tube, and the other end of the control tube penetrates through the buffer cavity and then is communicated with the suction tube; a control hole is formed in the side wall of the control pipe. The flushing and aspirating device has the advantages that two different operations of flushing and aspirating are completed continuously, the frequency of replacing surgical instruments is changed, the surgical time is shortened, and meanwhile stimulation to a patient due to frequent replacement of the surgical instruments is relieved; a groove is formed in the buffer cavity to expose the negative pressure control hole, so that the position of the negative pressure control hole can be quickly positioned in the operation process, and the situation that the negative pressure control hole is difficult to find due to deviation of the tube body is prevented.

An electrical stimulation device for a cortical evoked potential capable of acquiring an electrical stimulation sequence on the basis of a task. Different channel sets related to a plurality of functions are constructed and sorted, that is, channels in any channel set that have not undergone electrical stimulation acquire alternative values of the channel sets on the basis of task-related electroencephalogram activation levels, and the alternative values corresponding to different channel sets are sorted to obtain a sequence of the channel sets; channels are sorted on the basis of the task-related electroencephalogram activation levels; and the order of the sorted channels is used as a preset electrical stimulation sequence for a cortical evoked potential. The device can characterize the relevance of channels across different functional areas, and can indicate the importance of the channels in the functional areas, such that a doctor is guided more objectively to obtain more useful electrical stimulation data within a shorter surgical time, so as to determine whether the positions of the channels affect functions and whether resection is allowed.