205results about How to "Shorten operation time" patented technology

The utility model provides a shock wave balloon catheter with a backflow device and medical equipment, the shock wave balloon catheter comprises a balloon, a catheter, a fluid pump and a pressure reducing valve, and a shock wave generating part is arranged in the balloon; the balloon is arranged at the far end of the catheter, a pressurizing flow channel and a backflow flow channel are arranged in the catheter, the pressurizing flow channel is used for supplying conductive liquid into the balloon, and the backflow flow channel is used for recycling the conductive liquid from the interior of the balloon; the outlet end of the fluid pump is communicated with the pressurizing flow channel so as to provide conductive liquid with certain pressure for the balloon; the inlet end of the pressure reducing valve is communicated with the backflow channel so as to maintain the pressure of the conductive liquid in the balloon, and the outlet end of the pressure reducing valve is communicated with the inlet end of the fluid pump, so that bubbles formed by separation and electrolysis of the conductive liquid in the percussion process of an electrode in the balloon are discharged out of the balloon in time through the backflow channel. Bubbles are prevented from hindering shock waves from acting on calcification lesions, and the effective performance of the shock waves 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 utility model discloses a kind of hysteroscope liquid leakage prevention structures, including center cylinder base, the both ends of center cylinder base are fixedly connected with end fixed ring, the outer end array of two sides the end fixed ring is fixedly connected with multiple elastic supporting pieces, and the outer end of multiple elastic supporting pieces of same side is equipped with silica gel outer cover, two sides The outer side of elastic supporting piece is fixedly connected with operating slip ring and insertion stop seat respectively, and the outer end of two sides silica gel outer cover is fixedly connected with the outer edge of corresponding side operating slip ring and insertion stop seat.In insertion, small in diameter, it is convenient to set, and will not cause damage to cervix, can effectively solve the problem of clinical surgeon encountered in hysteroscopy surgery in uterine cavity liquid leakage, reduce operation time and surgical complications, improve operation efficiency and safety.

The application relates to a blood vessel anastomosis device, which comprises a first support and a connecting piece. The first support is provided with a first opening penetrating the inner and outer walls of the first support, and the first opening is used for being opposite to a first fistula position on a first blood vessel. The connecting piece comprises a pipe part and a first clamping part connected to one end of the pipe part. The connecting piece is provided with a blood flow channel penetrating the pipe part and the first clamping part along the axial direction of the pipe part. The pipe part is arranged in the first opening, and the first clamping part is arranged on the inner wall side of the first support and matched with the inner wall of the first support, so as to seal and clamp the blood vessel wall around the first fistula on the first blood vessel. The blood vessel anastomosis device saves the operation time, improves the operation efficiency, and improves the operation safety and postoperative recovery effect.

This invention discloses a fast unpacking method for fringe direction angles based on reliability ranking. The method includes: first, calculating the gradient using an interferogram; then, calculating the density map; calculating the reliability value from the density map; ranking the reliability values; and then unpacking the relative direction angles of adjacent pixels in order of reliability value magnitude to obtain the pointing map. This invention uses a non-continuous unpacking path, solving the problem of slow processing speed in traditional algorithms when handling large images due to the limitation of continuous paths.

This invention discloses a hip joint prosthesis for bone defects, comprising a crescent-shaped acetabular rim filler assembly, a bone-metal defect block, an acetabular wall defect support block, a cylindrical support block, an angle pad, a locking screw, a locking nut, an assembly screw, an acetabular sealing screw, and an acetabular support block. The crescent-shaped acetabular rim filler assembly includes two sets of crescent-shaped acetabular rim fillers, which are assembled by engaging pins through pin holes. The outer circumference of the bone-metal defect block of the acetabular support block is connected to the crescent-shaped acetabular rim filler assembly via bone cement. This hip joint prosthesis for bone defects effectively fills irregular defect areas of the acetabular rim. The various screw holes and Kirschner wire holes on its surface provide multi-dimensional fixation options. The overall structure, through the synergistic action of multiple components, achieves precise reconstruction while ensuring biomechanical performance, significantly reducing the risk of postoperative prosthesis loosening and wear.

The utility model discloses a three -sided formula bone knife structure, include: connecting seat, joint, the joint fixed setting in the upper end of connecting seat, handle, the lower extreme of handle with the upper end of joint is detachably connected, three -sided formula cutter body, three -sided formula cutter body setting in the lower end of connecting seat. Through the application of the utility model, provide a three -sided formula bone knife structure for taking bone, especially applicable to the acquisition operation of double cortex ilium, it can be realized in one insertion process smoothly intercepts double cortex bone piece, shortens the operation time and reduces the trauma to the patient, can carry out multidirectional cutting in the narrow bone surface area through three -sided formula design, reduces the demand of repeatedly changing sword or using other turning cutter, further improves the operation efficiency.

The utility model belongs to the technical field of medical instruments, and discloses a puncture guide wire which comprises a puncture body and a rigidity balancing sleeve. The puncture body comprises at least two first puncture sections which are connected in sequence, and in every two adjacent first puncture sections, the diameter of the first puncture section close to the far end of the puncture guide wire is smaller than that of the other first puncture section; the number of the rigidity balance sleeves is at least two, the rigidity balance sleeves correspond to the first puncture sections in a one-to-one mode, the corresponding first puncture sections are fixedly sleeved with the rigidity balance sleeves, and in every two adjacent rigidity balance sleeves, the outer diameter of the rigidity balance sleeve close to the far end of the puncture guide wire is larger than that of the other rigidity balance sleeve. The flexural rigidity of the rigidity balance sleeve close to the far end of the puncture guide wire is larger than that of the other rigidity balance sleeve. Puncture guide wires with different strengths do not need to be replaced repeatedly, so that the operation time is saved, and the operation risk is reduced. And the size of the included angle opening of the U-shaped puncture head cannot be increased along with the feeding of the puncture guide wire, so that the blood vessel is prevented from being burst.

The application discloses a PM2.5 prediction method and system of an adaptive geographical weighted artificial neural network model, and relates to the technical field of spatial data analysis. Specifically, the method comprises the following steps: a data acquisition step: acquiring historical PM2.5 data sets of a to-be-measured region, and dividing the historical PM2.5 data sets into a training data set and a test data set; a step of constructing an AS-GWNN model: constructing a network architecture of the AS-GWNN model, including an input layer, a hidden layer and an output layer; a training step: inputting the training data set into the network architecture of the AS-GWNN model to obtain a trained AS-GWNN model; and a test step: inputting the test data set into the trained AS-GWNN model to obtain a predicted PM2.5 value. The application solves the problems that machine learning technology ignores the inherent spatial non-stationarity of spatial data, and that regression models considering spatial non-stationarity lack nonlinear fitting capability.

The invention discloses a self-fixing suspension needle. The invention relates to the technical field of minimally invasive surgery. Comprising a hollow sheath body 1, a hollow inner core 2 loaded in the sheath body 1 and used for executing puncture positioning, and a furling assembly 3 used for grabbing and fixing tissue, and the furling assembly 3 fixes the tissue in the wall through a furling part 303 with the volume capable of being flexibly scaled; the linear driving assembly 4 is used for driving the furling part 303 to execute flexible zooming; a traditional'suturing-traction 'composite step is replaced by a single puncture-grabbing integrated design, the operation process is simplified from'puncture-suturing-traction' three steps to'puncture-grabbing 'two steps, and the operation time is shortened from 15-20 minutes to 3-5 minutes. The inner core 2 is detachably matched with the sheath body 1 in a threaded manner, so that the assembly can be quickly replaced; a closed-loop control system (displacement precision + / -0.05 mm) of the linear driving assembly (4) ensures that the grabbing position is accurate, the number of times of instrument adjustment is reduced, and the complexity of surgical operation is reduced.

This utility model discloses a medical suture locking device and its usage method, aiming to solve problems such as complex suturing operations, uneven tension, and difficulty in synchronous adjustment of multiple sutures in existing technologies. The device consists of a clamping shell, clamping latches, a locking mechanism, a spring-loaded mechanism, and medical sutures. Through a socket-type connection and a sliding rail groove structure, it achieves precise suture fixation and tension control. The spring-loaded mechanism design ensures that the clamping latches automatically spring back to the closed state, facilitating rapid suture adjustment; the locking mechanism, in conjunction with the limiting groove structure, effectively prevents latch displacement and suture loosening. The device is compatible with various suture specifications, and the optimized tooth shape enhances the fixing force. Compared with traditional technologies, this utility model is simple to operate, has stable performance, significantly improves surgical efficiency and safety, and is particularly suitable for high-precision surgeries such as valve repair, providing an ideal solution for surgical procedures.

The invention discloses a novel clinical uterine curettage device for gynaecology and obstetrics, and relates to the technical field of uterine curettage devices, the novel clinical uterine curettage device for gynaecology and obstetrics comprises a handle, a length adjusting mechanism, an angle adjusting mechanism and a rotating mechanism are arranged on the inner side of the handle, a movable cylinder is arranged on the inner surface of the length adjusting mechanism, and a deformation mechanism is arranged at one end of the movable cylinder. According to the novel clinical uterine curettage device for the obstetrics and gynecology department, by arranging the deformation mechanism, the opening amplitude and shape of the deformable curettage ring can be precisely adjusted, the deformable curettage ring is made to adapt to the sizes and shape differences of uterine cavities of different patients, compared with a fixed arc-shaped structure, friction and extrusion generated when the curettage assembly enters the uterine cavity are reduced, the operation entering difficulty is lowered, and the pain feeling of the patients is reduced; the problems that most scraping assemblies of an existing clinically-used uterine curettage device are of a fixed-shape arc-shaped structure, the entering difficulty is increased, the operation time is prolonged, high pain can be brought to a patient, even complications such as uterine cavity mucosa injury can be possibly caused, and postoperative recovery of the patient is affected are solved.

This invention provides an internal fixation device for cancellous bone, belonging to the field of medical device technology. It includes a fixation plate with a plurality of screw holes and positioning holes arranged in a linear array on its top outer wall; and a guide assembly connected to the fixation plate, used to guide the hollow self-drilling screws. By incorporating the guide assembly, this invention not only guides the hollow self-drilling screws, preventing them from deviating from their pre-operatively assessed position during insertion, thus affecting their fixation effect on the fracture site, but also holds the screws during the guiding process, preventing the screw head from tilting and protruding, which could cause skin irritation and affect postoperative recovery.

The invention discloses a mechanical arm adjuvant therapy system and an actuator switching method. The mechanical arm adjuvant therapy system comprises a fixed ultrasonic reference system module, a replaceable execution end module, a mechanical arm and a control system. The fixed ultrasonic reference system module comprises an ultrasonic probe and a rigid connecting mechanism, the ultrasonic probe is connected with the mechanical arm through the rigid connecting mechanism, and a force sensor is arranged between the ultrasonic probe and the tail end of the mechanical arm; the replaceable execution end module comprises an electric clamping device, an actuator recognition sensor and a fine adjustment mechanism. The electric clamping device is provided with a mechanical interface and a force sensor used for detecting clamping force. The actuator recognition sensor is used for recognizing the category of the actuator; the fine adjustment mechanism is used for realizing fine adjustment of the position of the actuator after the replaceable execution end module switches the actuator; the replaceable execution end module is connected with the fixed ultrasonic reference system module through an electric clamping device, so that a mechanical arm can carry an ultrasonic probe and an actuator to move; the control system is used for controlling the mechanical arm to carry the ultrasonic probe and the actuator to complete treatment.

This invention discloses an anti-fog and heat-insulating puncture device for thoracoscopic surgery, belonging to the field of medical device technology. Its key technical features include: an outer sheath, with a puncture assembly on its inner wall, the puncture assembly including a puncture needle core that slides through the inner wall of the outer sheath, a needle core handle fixedly connected to the upper end of the puncture needle core, a needle tip fixedly connected to the lower end of the puncture needle core, an outer sheath seat fixedly connected to the upper outer wall of the outer sheath, a fixing handle fixedly connected to the outer wall of the outer sheath seat, and a sealing assembly on the outer wall of the outer sheath seat. This invention achieves heat insulation through a double-layer structure formed by the outer and inner sheaths; gas circulation is formed through the cooperation of the air inlet and outlet holes, effectively expelling fog from the inner wall of the inner sheath and ensuring a clear surgical field; the sealing valve and sealing sleeve achieve internal sealing of the outer sheath to prevent gas leakage; the sealing ring is precisely positioned by positioning pins and positioning holes, and the sealing cap is stably installed by locking blocks and protruding pins, providing double sealing to prevent gas leakage and impurity entry, reducing the risk of infection.

A laser irradiation system (1) for crushing a stone (S) in a liquid by irradiating the stone (S) in the body with a laser light, the laser irradiation system (1) comprising: a laser fiber (3) having a fiber emission end (3a) for emitting the laser light; and at least one processor for controlling the frequency of the laser light emitted from the optical fiber emission end (3a), the processor switching the frequency of the laser light between a first pulse train, which is a high-frequency pulse train having an output power for crushing the stone (S), and a second pulse train, which is a high-frequency pulse train having an output power for crushing the stone (S). The second pulse train is a waveform pulse train having a lower frequency than the first pulse train and having a peak power gradually increasing in the axial direction of the irradiation time, and the second pulse train is emitted at least either before or after the timing at which the first pulse train is emitted.

The utility model relates to the technical field of medical instruments, in particular to a positioning device for assisting reduction and fixing acromioclavicular dislocation, which comprises a base plate, an acromion end positioning plate is arranged at one end of the base plate, and a clavicle end positioning block is arranged at the other end of the base plate. Holes are formed in the acromion end positioning plate, acromion end fixing guide needle sleeves are fixedly connected to the positions corresponding to the holes, a plurality of holes are formed in the base plate, and a first coracoshoulder ligament fixing guide needle sleeve, a second coracoshoulder ligament fixing guide needle sleeve and a clavicle end guide needle fixing sleeve are fixedly connected to the positions corresponding to the holes respectively. The positioning device can achieve accurate positioning, damage to blood vessels, nerve tracts and surrounding tissues below the coracoid process is avoided, and operation bleeding is reduced. Due to the fact that the individualized bone tunnel is established, the position where the belt carrier titanium plate is placed is appropriate, the osteolysis phenomenon is reduced, and meanwhile the risk of coracoid fracture is reduced. According to the operation method adopting the positioning device, the operation difficulty is remarkably reduced, the operation time is shortened, and the learning curve of young physicians is reduced.

The present disclosure relates to the technical field of medical devices, and provides a pedicle screw broken screw negative pressure extractor for extracting a broken screw from a pedicle of a lumbar vertebra, comprising a barrel body, the barrel body being arranged to slide in the pedicle, the barrel body having a sliding cavity opened along a length direction and having an opening facing away from the broken screw; a piston rod being arranged to slide in the sliding cavity, the piston rod being arranged to form a negative pressure space together with a side wall and a bottom wall of the sliding cavity after sliding away from the bottom wall of the sliding cavity; a suction disc being arranged at an end of the barrel body close to the broken screw, the suction disc having a suction space at an end of the suction disc away from the barrel body, the suction space being in communication with the negative pressure space; the suction disc being arranged to abut against an end surface of the broken screw after the barrel body slides in the pedicle to be close to the end surface of the broken screw, so that the suction space can suck the broken screw. Through the above technical solution, the technical problem that the broken screw of the pedicle screw is difficult to be extracted from the lumbar vertebra in the prior art is solved.

The utility model relates to the field of blood sampling technology of animal husbandry, and disclose a large -scale animal blood sampling and defiber integration equipment, including base frame, transport sheep subassembly, blood sampling fixed assembly and animal whole blood defiber subassembly. The large -scale animal blood sampling and defiber integration equipment, equipment integration transport sheep, blood sampling fixed, plasma defiber three big core components, do not need manual transfer motion object or blood sampling bag, completely solve the operation fault problem caused by traditional equipment independent operation -after blood sampling can directly fix blood sampling bag to animal whole blood defiber subassembly, avoid blood pollution and active loss in the process of transfer, the overall operation time is shorter than traditional split equipment mode shortens, simultaneously, electric hoist hangs sheep mechanism replaces many people to carry, and single person can complete animal transfer, and manpower cost reduces, and blood sampling fixed assembly adopts detachable sleeve structure, and the volume is reduced after disassembly, and the scale operation and portable storage demand are taken into account.

This invention provides a puncture device, including an angle rotator, a fixator, and a position rotator. The angle rotator has multiple mounting holes on its outer periphery, which limit and fix the head of the puncture needle. The fixator is rotatably connected to the angle rotator and has multiple guide slots, each corresponding to one of the mounting holes. The position rotator is rotatably connected to the fixator and has multiple through holes, each corresponding to one of the guide slots, for the needle portion of the puncture needle to pass through. This allows for the adjustment of the puncture angle and fixation of the puncture position before puncture, guided by medical imaging technology, thus achieving control over the puncture entry point and angle.

The present invention discloses an automated and precise lung puncture system, characterized by comprising a main body, with an operating space in the middle for puncture operations. The main body is equipped with a puncture needle robotic arm for holding and manipulating the puncture needle and a syringe robotic arm for holding the syringe, distributed around the operating space. A level is provided on the outer wall of the main body for measuring the tilt angle of the main body. The puncture needle robotic arm, syringe robotic arm, and level are connected to a main control module circuit located within the main body. The robotic system disclosed in this invention can reduce operation time, decrease the physical and psychological burden on patients, improve the efficiency and safety of the entire surgical process, reduce human error and intraoperative complications, and is suitable for the diagnosis and treatment of pulmonary nodules and other lung diseases.

The invention discloses a blood vessel end side anastomat based on an outer lining, which comprises a fixed cylinder, the end part of the fixed cylinder is connected with a nail propping device and a nail pushing device, the nail propping device and the nail pushing device are both of a circular structure, and the nail propping device and the nail pushing device are concentrically arranged. The problem that in the prior art, in the suture process between the end of an artificial blood vessel and the end of a vein, no special medical instrument can meet the use requirement, and the suture can only be conducted in a manual suture mode is solved. According to the blood vessel end side anastomat based on the outer lining, in the suture process of an artificial blood vessel and a vein vessel, the one-time suture effect on the artificial blood vessel and the vein vessel of an annular structure can be guaranteed through the effects of supporting a nail abutting device or a nail pushing device of the anastomat and suturing the other side or abutting nails by means of the eversion structure of the artificial blood vessel. Through the opening and closing structure of the nail abutting device and the nail pushing device, the nail abutting device and the nail pushing device can be conveniently detached from the blood vessel, the operation time is saved, and damage to a patient is reduced.

The invention discloses an optimal path planning method of a pulse coupling neural network based on double constraints. The method comprises the following steps: mapping a path planning environment to a DC-PCNN network; a DC-PCNN neural network model is constructed, and all neurons are initialized; activating a target neuron, and recording the current neuron as a father node; calculating an exponential decay function of the torque deviation, and multiplying the calculated value as a penalty factor by an update item of the internal activity item; calculating a gravitational function value of the flow field constraint, and using the calculated value to update a current neuron dynamic threshold value; comparing the internal activity item with a dynamic threshold; when gt; if yes, activating the neuron, and recording the current neuron as a father node; repeating the steps S4-S6 until the initial neuron is activated; and backtracking all activated nodes, and planning an optimal path. According to the method, the search efficiency is remarkably improved while the path optimality is ensured.

The utility model relates to medical consumable technical field, and specifically discloses a sterile finger cots lamp on operating table, including lamp pearl shell body, one end of lamp pearl shell body is equipped with the lamp pearl, the other end of lamp pearl shell body is equipped with connecting piece, and connecting piece includes the connecting shell body fixed connection with lamp pearl shell body, and the front end of connecting shell body can be telescopic and is arranged, and the side of connecting shell body is equipped with magic band for being bound with the finger. The utility model can realize the flexible and various timely lighting operation of wearing on the finger, effectively shortens the operation time, and improves the work efficiency.

The utility model relates to digestive endoscope under wire tightening locking technical field, concretely is a kind of digestive endoscope under wire tightening locking device, including outer tube and release mechanism, the upper middle part of outer tube is equipped with observation perforation, the top of outer tube is equipped with chute, the inside sliding connection of outer tube has inner tube, one end of outer tube is provided with two extruded blocks, one end of inner tube is connected with two groups of connecting blocks through pivot, the lower middle part of inner tube is connected with first internal thread rotating piece by screw thread, the top of first internal thread rotating piece is connected with first rotator ring by bearing. The device not only can be used in the narrow space by medical staff, but also can clamp and lock the surgical thread, and can also be unlocked, which is convenient for medical staff to operate, thereby reducing the risk of surgery and shortening the operation time.

The electrosurgical host, electrosurgical system, and control method provided in this application embodiment include an electrosurgical host comprising a function modulation panel and a user interface. The function modulation panel has an intelligent switching control, which is used to set the electrosurgical host to intelligently switch its working mode and / or working level based on feedback electrical signals received in real time from the user interface. The user interface is used to connect to electrosurgical instruments and to transmit electrical energy to the electrosurgical instruments and receive feedback electrical signals from the electrosurgical instruments. It can automatically and intelligently switch the working mode and / or working level of the electrosurgical host based on feedback electrical signals during the operation, so that doctors or nurses do not need to know the corresponding modes and levels required for different surgical procedures and different tissues, and do not need to make manual adjustments, thereby reducing operation time.

This invention relates to the field of capsulorhexis technology and discloses a cataract capsulorhexis device, comprising a capsulorhexis forceps body and handles fixedly installed on both sides of the forceps body. The clamping end of the forceps body is provided with two forceps tips. A positioning rod is fixedly installed on one inner wall of the forceps body, and positioning openings are provided on the other inner wall of the forceps body and the handles. A positioning component is provided at the end of the positioning rod away from the forceps body. This invention allows for flexible selection of forceps tips at different angles according to the progress of the surgery, the condition of the operated eye, and the holding habits of medical staff. Installation is simple and quick. During capsulorhexis, the locking component and the positioning component work together to stably lock the forceps tips in a closed state, eliminating the need for continuous force exertion by medical staff, effectively reducing hand burden and avoiding hand soreness and stiffness. Unlocking requires only a light press of the locking component, making operation simple, saving surgical time, avoiding disruption to the surgical rhythm, and ensuring precise surgical execution.

The application discloses a kind of based on hovering underwater vehicle's underwater unknown environment active mapping method, belong to robot environment exploration technical field.The underwater unknown environment active mapping method based on hovering underwater vehicle provided by the application utilizes hovering underwater vehicle to obtain the environmental data of unknown area of ocean in cooperation with sensor, determines the best next viewpoint according to information gain value, and determines the safe and feasible path to the best next viewpoint according to the cost of each adjacent node on the current tree as the parent node when the best next viewpoint is reached.Updating grid map in real time in this way, efficiently, quickly and accurately realize the construction and dynamic updating of map, and then assist underwater vehicle to realize the navigation of target area, and has broad application prospect in underwater environment exploration task and underwater structure inspection based on underwater vehicle and similar tasks.

This invention relates to the field of orthopedic repair technology, and provides a 3D-printed mortise-and-tenon composite drug-loaded femoral head necrosis reconstruction rod and its preparation method. The reconstruction rod includes a skeleton, the inner cavity of which has a three-dimensional, interconnected, micron-scale topological porous structure; both the outer surface of the skeleton and the surface of the micron-scale topological porous structure are covered with a drug composite layer; the outer surface of the skeleton has multiple tenons for forming a mortise-and-tenon lock with the inner wall of the femoral head medullary cavity; the drug composite layer contains a first drug that inhibits osteoclast activity and a second drug that promotes osteoblast differentiation. This invention achieves anti-rotation and anti-settlement mechanical locking with the host bone through a biomimetic mortise-and-tenon structure, and actively regulates the local bone repair microenvironment by loading dual drugs that inhibit osteoclast activity and promote osteoblast differentiation, ultimately achieving bio-integrated fixation mimicking natural bone.