95 results about "Bone nailing" patented technology

A clamping system includes a first clamp body including a first jaw, a second jaw, and a first aperture configured to receive a bone pin, the first clamp body is configured to receive a first connector rod between the first jaw and the second jaw, a second clamp body coupled to the first clamp body and including a third jaw, a fourth jaw, and a second aperture configured to receive the bone pin, the second clamp body configured to receive a second connector rod between the third jaw and the fourth jaw, and a securing assembly movable between a first position and a second position, such that moving the securing assembly from the first position to the second position reduces a distance between the first jaw and the second and reduces a distance between the third jaw and the fourth jaw.

The invention discloses a bone nail automatic identification and dosage confirmation method based on multi-feature collaborative reasoning. The method comprises the following steps: firstly, collecting a multi-view image sequence of a bone nail box in an initial state to obtain a bone nail recognition image sequence; based on the image sequence, extracting boundary information of a bone nail placing position, and generating a bone nail structure map used for representing a relative position relation of placing areas; combining the structural atlas with the image sequence, extracting image features of each placement area, and performing comparison identification based on standard shape features of the bone nail to obtain an identification result; the recognition result is compared with a historical use behavior mode, potential abnormity is recognized, and a corrected enhanced recognition result is output; respectively executing the steps before and after an operation, obtaining an enhanced recognition result and performing difference comparison to obtain bone nail use difference information; and bone nail use confirmation information is generated in combination with the operation identifier, the identification confidence and the acquisition time, and is written into a non-tampering storage medium, so that closed-loop tracing of nail use records is realized.

The utility model discloses an absorbable net-shaped device for fixing bone grafting materials, and relates to the technical field of medical oral cavity, the absorbable net-shaped device comprises a woven net and bone nails, the woven net is made of absorbable biological materials, tightening ropes are arranged at four corners of the woven net, and each tightening rope is correspondingly wound on one bone nail. The bone nail is rotationally nailed into the dentale, the woven net is tightened to fix the bone grafting material, meanwhile, the woven net is an absorbable biological material and does not need to be taken out through a special operation in the later period, and the pain of a patient and the medical burden are greatly relieved.

The utility model discloses a bone nail hook device for orthodontics, which comprises a bone nail with self-tapping threads, a drill bit is arranged at the front end of the bone nail, and an extension fixing seat is arranged at the rear end of the bone nail; the extension fixing base comprises a cylindrical base body, the bottom of the base body is in non-rotation connection with the rear end of the bone nail, at least one hook extending outwards is arranged on the side face of the base body, a hook claw is arranged at the end, away from the base body, of the hook, and a hemispherical top is arranged at the top of the base body. The implanting flexibility of the bone nail is improved, and the operation difficulty is reduced; the hanging range of the correcting device is expanded through the extending design of the hook; and the mechanical design difficulty during correction is reduced.

The invention provides a multi-column integrated biological fixation partial femoral head replacement device, and relates to the field of medical instruments. The device comprises a bone nail, an auxiliary fixing piece and a joint prosthesis, the bone nail is provided with a first end part and a second end part nailed into a femoral neck medullary cavity, and the first end part, the auxiliary fixing piece and the joint prosthesis are integrally formed; the auxiliary fixture has a first surface and a second surface in contact with the conical osteotomy femoral head to prevent sinking and lateral rotation. The joint prosthesis only replaces the cut part of the necrotic femoral head, more normal sclerotin can be reserved, trauma is small, femoral head supporting and bearing are not affected or changed, long-term stability of the joint prosthesis is guaranteed, and meanwhile future rebuilding is facilitated. In addition, the first end part, the auxiliary fixing piece and the joint prosthesis are integrally formed, so that joint prosthesis failure caused by looseness or corrosion among the first end part, the auxiliary fixing piece and the joint prosthesis can be avoided.

The lower tibia fusion plate structurally comprises an upper plate part, a fusion plate body, a groove, an accessory assembly, a debugging structure and an auxiliary handle, the upper plate part is connected to the end of the fusion plate body in a sleeving mode, the debugging structure is installed in the middle of the fusion plate body through the groove, and the accessory assembly and the auxiliary handle are arranged on the outer side of the fusion plate body; by means of the accessory assembly and the debugging structure arranged in the middle and outside the fusion plate body, when the fusion plate body, the upper plate piece and the auxiliary handle are connected with the tibia through bone nails, the debugging structure in the groove in the middle of the fusion plate body can increase the fixing strength of the middle of the fusion plate body and the tibia in an abutting mode; in the tibia recovery period, the fixing strength of the auxiliary handle and the tibia can be adaptively adjusted on the outer side of the fusion plate body in an inclined mode by means of the accessory assembly, the overall strength of the fusion plate is better improved, the body weight of the human body can be supported, and the healing recovery process of the tibia can be accelerated.

The invention discloses a femoral neck fracture treatment positioning plate, preparation equipment and a preparation method, the positioning plate comprises a main body plate and an adjustable guide module, the shape of the main body plate is matched with the anatomical form of the outer side bone surface of the proximal femur, and the main body plate is provided with at least one bone nail hole. The individualized main body plate accurately matched with the anatomical form of a patient is introduced, and the adjustable guide modules of various innovative designs are combined, so that the problem that a traditional positioning plate is poor in universality is effectively solved, and anatomical differences and operation requirements of different patients can be perfectly met; a spherical hinge, an offset sliding block-arc-shaped guide rail, an elastic deformation ring, a modularized guide sleeve and other structures are adopted by the guide module, the space angle stepless adjusting function is ensured, meanwhile, the mechanical structure is remarkably simplified, redundant parts are eliminated, high-rigidity and gapless locking is achieved, micro-motion and displacement in an operation are thoroughly avoided, and the operation efficiency is improved. And the accuracy and the reliability of screw placement are greatly improved.

The utility model discloses orthopedics operation medical consumable intelligent equipment of checking goods relates to orthopedics consumable checking goods technical field, including the cabinet, the upper half of cabinet is set up as the goods checking room, the lower half of cabinet is set up as the warehouse, the goods checking room inside fixedly connected with the goods checking table, the bottom fixedly connected with the fixed base of goods checking table, the fixed base inside fixedly connected with the first guide rail, one side of first guide rail inner chamber is rotatably connected with the lead screw, the other side fixedly connected with first motor of first guide rail inner chamber, the output of first motor is fixedly connected with the one end of lead screw, the outside screw thread connection of lead screw has the drive block, compared with traditional goods checking table equipment, this orthopedics operation medical consumable intelligent equipment occupies small space, all commonly used buttons and keys of equipment are in the right side of equipment, and it is convenient for artificial operation, guarantees that the bone nail carrier can be automatically identified in the goods checking table inside, and artificial operation is not needed.

The invention relates to the technical field of medical instruments, in particular to an improved tibia plateau steel plate navigation positioning support which comprises a tibia steel plate, a plurality of nail planting holes and a plurality of positioning holes. The positioning mechanism comprises an L-shaped plate, the L-shaped plate is connected with the tibia steel plate through an adjusting mechanism, the side wall, away from the tibia steel plate, of the L-shaped plate is fixedly connected with a positioning plate, the side wall of the positioning plate is fixedly connected with a plurality of navigation cylinders in a penetrating mode, and the side walls, away from the tibia steel plate, of the plurality of navigation cylinders are fixedly sleeved with hexagonal plates; and a stabilizing mechanism for stabilizing the position of the positioning plate is arranged on the positioning plate. After the tibia steel plate is preliminarily connected with the side face of the tibia, the positioning mechanism is installed on the tibia steel plate at the moment, the multiple navigation cylinders right face the front face of the tibia, then medical staff can implant bone nails into the tibia from front to back through the multiple navigation cylinders, and the bone nails and bone nails implanted into the tibia from left to right form a # shape; and the bone fracture at the tibia is fixed more firmly.

This invention belongs to the field of medical devices, specifically a combined internal fixator and fixation method for fixing joints with micro-motion. The combined internal fixator includes a first bone screw and a second bone screw. A movable connecting structure is provided between the connecting ends of the first and second bone screws. The movable connecting structure includes a groove and a shaft. The groove includes an insertion port and a mounting groove communicating with the insertion port. The mounting groove has a semi-circular cross-section. The shaft includes a semi-circular shaft adapted to the mounting groove, which is rotatably accommodated within the mounting groove, allowing the first and second bone screws to rotate relative to each other around a first radial axis. This invention, through a hook-groove sliding self-locking structure, achieves controllable micro-motion and integrated implantation for fixing joints with micro-motion. It has achieved significant technological advancements in preserving joint physiological function, simplifying surgical procedures, avoiding secondary surgeries, and reducing the incidence of complications. It has important clinical application value and is suitable for fixing joints with micro-motion.

The invention discloses orthopedic nail taking equipment and a using method thereof, and relates to the technical field of medical nail taking devices.The orthopedic nail taking equipment comprises a nail taking device used for fixing the end of a bone nail and stably moving the bone nail out, the nail taking device comprises a mounting shell and a fixator, one side of the mounting shell is of an opening structure, and a positioning opening is formed in the other side of the mounting shell; the fixator comprises a fixing shell, a mounting piece and a rotary nail clamping assembly, the fixing shell is clamped in the positioning opening, the mounting piece is mounted on one side of the fixing shell, the mounting piece is clamped in the mounting shell, the rotary nail clamping assembly is arranged in the fixing shell, and the rotary nail clamping assembly is used for clamping, fixing and loosening the end of the bone nail. The exposed part of a forearm bone nail of a patient can be fixed through the nail taking device and the positioning assembly, the bone nail can be driven to rotate and be separated from a forearm muscle adhesion position when the bone nail is automatically fixed through the rotating nail clamping assembly, and meanwhile the pulling-out angle of the bone nail can be limited; therefore, the muscle of the patient can be prevented from being torn and damaged when the nail is taken.

The invention relates to a bone nail positioning and robot control method and system, electronic equipment and a storage medium, and relates to the technical field of information, and the method comprises the steps: obtaining 3D point cloud data containing a bone nail through a 3D camera; processing the 3D point cloud data, identifying three-dimensional space coordinates of each bone nail, and calculating XYZ space coordinates of each group of bone nails by taking 6-9 bone nails as a group; transmitting the XYZ space coordinates of each group of bone nails to a robot control device; the robot collaboration arm continuously moves according to the XYZ space coordinates, an industrial camera on the robot collaboration arm shoots 6-9 bone nails at a time, and all bone nail sets of the whole nail box are sequentially shot through continuous movement; image recognition and OCR recognition are carried out on an image acquired by the industrial camera, and digital information on each bone nail and the total number of the bone nails are extracted. Through automatic detection and operation procedures, the problems that traditional manual operation is low in efficiency and prone to making mistakes are solved, and the automation level, accuracy and efficiency of orthopedic surgery preparation are remarkably improved.

The utility model discloses a positioning device of a hand fracture internal fixator, which comprises a positioning plate, a plurality of guide holes are formed in the positioning plate in a penetrating manner, and threaded connection holes are formed in the upper parts of several of the guide holes; a plurality of threaded connectors in threaded connection with the threaded connection holes are further included, first screwing bolts are arranged at one ends of the threaded connectors, extrusion shafts are arranged at the other ends of the threaded connectors, and the extrusion shafts are sleeved with rubber connection pipes movably connected with the extrusion shafts. The rubber connecting pipe comprises a sleeve with the same inner diameter as the extrusion shaft and an expansion pipe with the inner diameter smaller than that of the extrusion shaft and the outer diameter equal to the inner diameter of the fixing hole in the steel plate of the internal fixator; and each positioning bone nail comprises a positioning shaft, a second screwing bolt arranged at one end of the positioning shaft, and a thin bone nail arranged at the other end of the positioning shaft. The guide punching device is used for conducting guide punching in combination with a steel plate, the inclination degree of punching is precisely limited, nuts of connected bone nails can be perfectly attached to fixing holes in the steel plate, and the fixing effect is better.

The invention discloses a bone nail combination part and a dynamic spine correction system, and the bone nail combination part comprises a rod combination assembly which is provided with a receiving groove used for receiving a supporting rod; the nail combining assembly is provided with a wrapping cavity used for receiving and clamping a spherical nail cap of the bone nail; the rod combination assembly is configured to have a release state in which the supporting rod is allowed to pivot in a first plane defined by the containing groove and a locking state in which the supporting rod is fixed in the containing groove, and the rod combination assembly can be switched between the release state and the locking state; the rod combination assembly and the nail combination assembly are configured to have a release state allowing the rod combination assembly and the nail combination assembly to relatively pivot in a second plane perpendicular to the first plane and a locking state limiting the rod combination assembly and the nail combination assembly to relatively pivot, and the rod combination assembly and the nail combination assembly can be switched between the release state and the locking state.

The utility model relates to the technical field of medical instruments, and discloses a simple orthopedic repositor which comprises a fixing rod, first bolts are in threaded connection with the interiors of two double-rod fixers, second bone nails are in threaded connection with the interiors of sliding blocks, hook blocks are in sliding connection with the outer wall of the fixing rod, and clamping blocks are in sliding connection with the interiors of the hook blocks. Third bolts are arranged in the clamping blocks in a penetrating mode. According to the simple orthopedic repositor, the first bone nail is driven into the two sides of a fractured bone, the handle is moved to drive the double-rod fixator to move, the connector and the second bone nail are moved, the bone is spliced, the first bolt and the second bolt are twisted, the double-rod fixator can be fixed to the outer side of the fixing rod, and after the second bolt is screwed, the double-rod fixator can be fixed to the outer side of the fixing rod. The ball head can be rotationally adjusted at a certain angle on the double-rod fixator, the effect of multi-direction adjustment can be achieved, the effect of multi-angle bone fixation can be achieved, and the problems that an existing repositor cannot conduct traction in multiple directions at the same time, and inconvenience exists are solved.

Embodiments of a multi-clamp apparatus for an orthopedic exterior fixator are disclosed. One embodiment of the multi-clamp apparatus has two clamp arms, each having a plurality of opposing crescentic channels that, when pressed together, are of a length, size, and shape to engage and secure a plurality of bone pins. An outrigger bar extends from each of the clamp arms for attachment of fixator components. Each clamp arm has a collapsible torque amplifying knob that can be hand operated and that causes relative movement of the two clamp arms for concurrently clamping and unclamping multiple bone pins when rotational force is applied to one or both of the knobs. The turn levers of each knob can be collapsed in a generally mating, side-by-side arrangement. The turn levers of the knobs are ergonomically designed so that the knobs can be hand operated, without tools, in the collapsed and un-collapsed configurations.

The invention belongs to the technical field of teaching demonstration, and particularly discloses a bone nail installation demonstration device for orthopedic surgery teaching, which comprises a placement table and a bone nail body, a bone structure is arranged at the top of the placement table, a detachable installation block is arranged at the top of the placement table, and a shooting assembly is arranged on one side of the placement table. The mounting block is a transparent material component, and a connecting groove is formed in the bottom of the bone nail body; by arranging the bone structure, the composite mechanical environment of cortical bone-cancellous bone in the bone nail implanting process can be simulated, the inner diameter of the resistance increasing ring is smaller than that of the bone nail to simulate high-resistance cortical bone breakthrough feeling, the inner diameter of the connecting ring is larger than that of the bone nail to simulate the friction resistance feeling of the cancellous bone, and the bone nail pushes the plugging block to compress the first spring; the real dynamic resistance changing along with the implantation depth is provided, and the multi-level hand feeling simulation overcomes the defects that a traditional model is distorted in hand feeling and single in feedback.

This utility model relates to the field of orthopedic implant technology and discloses a prosthesis for defects after partial atlas resection. It aims to solve the problems of existing technologies, such as the lack of atlas prosthesis implants, long recovery times after autologous bone grafting, and the ineffective fixation of titanium mesh implants. This utility model includes a prosthesis that replaces the atlas, with bone screw holes to accommodate bone screw fixation contact points. The prosthesis includes an outer frame, which is a porous tubular or porous columnar structure. The cavity of the porous tubular structure is filled with autologous bone, allogeneic bone, or artificial bone. The upper and lower ends of the outer frame are provided with curved surfaces matching the facet joints of the occipital condyle and axis, and a support unit is provided within the outer frame. This utility model, combined with 3D printing technology, matches the shape of the corresponding segment and resection site, thereby replacing the resected segment, promoting the fusion of the atlantoaxial segment, and facilitating the restoration of the physiological function of the upper cervical spine.

This utility model discloses a full-length locking plate for the medial aspect of the tibia, solving the technical problem that existing locking plates cannot adequately meet user needs. The device includes a locking plate body with an arc-shaped cross-section. One surface of the locking plate body is adapted to the shape of the medial aspect of the tibia. The locking plate body is an integral structure composed of a proximal head, a body, and a distal head. The proximal head is connected to the first end of the body, and the distal head is connected to the second end of the body. Multiple universal holes are provided on both the proximal and distal heads. By setting one side of the locking plate body to conform to the shape of the medial aspect of the tibia, this application allows the locking plate body to fit snugly against the medial aspect of the tibia. Furthermore, when the locking plate body is fixed through the multiple universal holes on the proximal and distal heads, the installation direction of the bone screws can be determined according to the fracture condition, ensuring even force distribution on the locking plate body and improving user comfort.

The invention relates to a mineralized protein-based bionic bone repair material as well as a preparation method and application thereof. Ca < 2 + > and PO4 < 3-> are introduced into the silk fibroin solution for a mineralization reaction, so that the amorphous calcium phosphate is directionally deposited on the silk fibroin molecular template, and a silk fibroin-amorphous calcium phosphate nano-composite is generated; after the mineralization reaction is finished, a mineralized product is centrifuged, frozen and freeze-dried, and the bionic bone repair material based on the mineralized protein is obtained. The bionic block material which is compact in structure and excellent in mechanical property can be constructed through high-pressure compression molding at normal temperature. The biomimetic bone repair material based on mineralized protein or a biomimetic block material further prepared on the basis of the scheme of the application shows excellent mechanical properties and structural stability in dry and wet environments, and also has good processability; the method is suitable for personalized bone defect repair and manufacturing of clinical orthopedic implantation instruments such as bone nails, bone plates and interbody fusion cages, and has wide application prospects and transformation values.

The utility model relates to the field of orthopedic medical treatment, in particular to an orthopedic medical instrument nail box. Comprising a supporting bottom plate and a plurality of bone nail bodies, a nail box assembly is fixedly mounted at the top of the supporting bottom plate, a limiting assembly is slidably mounted in the nail box assembly, a first positioning assembly is fixedly mounted on one side of the limiting assembly, and a second positioning assembly is slidably mounted on one side of the nail box assembly; a taking-out assembly is slidably mounted in the nail box assembly, third positioning assemblies are fixedly mounted on one side and at the bottom of the taking-out assembly, and fixing assemblies are fixedly mounted on the top of the taking-out assembly and one side of the nail box assembly; the technical problems that the bone nail is easily damaged and the bone nail is inconvenient to take out without damage at one time are solved.

The invention discloses a bone nail recognition system and method based on machine recognition and artificial intelligence, and relates to the technical field of bone nail intelligent recognition. Bone nail tray partition images are collected through an image collection module, and the image quality of a bone nail tray is optimized by automatically adjusting shooting parameters; a camera of the image acquisition module moves in a partition above the tray through a three-axis movement mechanism, and then an image splicing and fusion unit of the image processing and recognition module splices and fuses partition images of the bone nail tray to obtain a complete image of the bone nail tray; and the deep learning recognition unit inputs the complete image of the bone nail tray into a pre-trained deep learning model, and outputs to obtain a bone nail information recognition result, so that the accuracy and efficiency of bone nail recognition can be improved.

The application relates to the field of bone nail positioning devices, and particularly discloses an adjustable orthopedic locking nail device; the application is provided with a telescopic cylinder, an adjusting assembly, an adjusting pull rod and a pull ring; when a surgeon needs to set the locking nail device between two bone nails with different directions, the adjusting pull rod is used to adjust the acting angle between the pull ring and the telescopic cylinder, the pull ring is conveniently sleeved on the bone nails with different directions, a larger implantable selection range of the bone nails is provided for the surgeon, the surgeon can implant the bone nails at different angles according to implantation requirements, the bone nails do not have to be implanted at the same angle due to the limitation of the structure of the traditional locking nail device, and the operation flexibility is higher.

The application relates to the technical field of medical products, and discloses a bone nail fixing device. The bone nail fixing device is used for fixing a bone nail, and the bone nail fixing device comprises a nail fixing main body and a supporting shell. The nail fixing main body is sequentially provided with a guide channel and a nail clamping section. The guide channel is used for allowing a tool to pass through, and the nail clamping section is used for clamping the bone nail. The bone nail can be separated from the nail clamping section under the action of the tool. One end of the supporting shell is connected to the nail fixing main body, and the other end of the supporting shell extends beyond the nail clamping section. The application realizes the fixation of the bone nail before implantation, does not need manual holding, reduces the operation difficulty, and improves the operation success rate. Furthermore, the supporting shell is arranged, on one hand, the bone nail is convenient to adjust, so as to be aligned with a to-be-installed position; and on the other hand, the problem that the fixing precision of the bone nail fixing device is poor when the bone nail fixing device is used for installing the bone nail in a suspended state is solved, the skew phenomenon of the bone nail is prevented, and the installation precision of the bone nail is improved.

The utility model provides a reduction nail locking device for bone reduction, and relates to the technical field of orthopedics clinic. The left side and the right side of the main lock nail plate are each provided with an auxiliary lock nail plate in a sliding mode. Four lock pin holes are formed in each main lock pin plate, and a lock pin hole is formed in each auxiliary lock pin plate; bone nails are mounted in the nail locking holes in a matched manner; a locking block is rotationally mounted on the inner side of the top of each bone nail; an adjusting head is fixed to the top end of each locking block. According to the reduction nail locking device, more space is saved during packaging and storage, and the reduction nail locking device can be suitable for bones with different surface radians.

The invention discloses a turning device for precision machining of special-shaped bone nails in the technical field of bone nail machining, which comprises a lathe and a clamping mechanism, the clamping mechanism comprises a mounting cylinder coaxially arranged with a spindle of the lathe, and the mounting cylinder synchronously rotates with the spindle through an external transmission mechanism. Belt type clamping assemblies are symmetrically arranged in the mounting cylinder up and down; the clamping parts of the two clamping assemblies can oppositely extrude a workpiece to complete clamping of the workpiece. The feeding mechanism is used for driving the two clamping parts to move along with the feeding of the workpiece, so that the contact sections, which are used for clamping the workpiece, of the clamping parts are static relative to the workpiece; the two ends of the workpiece are clamped, the belt type clamping assembly is used for dynamically clamping the workpiece, the length-diameter ratio of the workpiece can be stably controlled, radial vibration, caused by the length-diameter ratio factor, of the workpiece is effectively restrained, and meanwhile friction damage between a machining face and a clamping belt is avoided.

The utility model relates to the field of orthopedic fixing devices, and provides an orthopedic fixing frame which comprises a base and at least three fixing mechanisms arranged on the base, and a plurality of adjusting holes are formed in the base. The fixing mechanism comprises a vertical rod, a first guide seat arranged at the bottom of the vertical rod, a cross rod horizontally and slidably arranged on the first guide seat in a penetrating mode, a second guide seat arranged on the cross rod and a bone nail vertically arranged on the second guide seat in a penetrating mode, the vertical rod penetrates through the adjusting hole, the vertical rod is in threaded connection with two first bolts, the cross rod is in threaded connection with two second bolts, and a ball hole is formed in the cross rod; the outer wall of the second guide seat is of a spherical surface structure, the second guide seat is rotatably arranged in the ball hole, and the bone nail is in threaded connection with two third bolts. According to the condition of a patient, the height of the bone nail can be adjusted through the vertical rod and the adjusting hole, the horizontal position is adjusted through the cross rod and the first guide seat, the angle is adjusted through the second guide seat and the ball hole, and the fixing effect is good; the technical problem that an orthopedic fixing frame is poor in fixing effect is solved.

The utility model relates to a bone nail fixing rod and a control structure thereof. The bone nail fixing rod comprises a bone nail fixing rod body, a fixing piece, a moving piece and a holding part. The fixing part is provided with a first front end and a first tail end which are opposite, the first front end is provided with a groove used for containing and fixing the bone nail fixing rod, the moving part is provided with a second front end and a second tail end which are opposite, and the second front end is provided with a notch used for limiting and moving the bone nail fixing rod. The second tail end is provided with a first thread, the holding part is provided with a containing space and a rotating part, the containing space is used for containing the first tail end of the fixed part and the second tail end of the movable part, and the side wall of the containing space is provided with a second thread embedded with the first thread; the rotating portion is engaged with the second end.

This application relates to the field of medical device technology, providing a programmable shape memory bone screw, its preparation method, and its application. The programmable shape memory bone screw comprises a screw body made of shape memory polymer material, the surface of which is coated with a polydopamine layer, and the surface of the polydopamine layer is coated with a calcium ion-arginine composite coating. The provided bone screw possesses superior mechanical and shape memory properties; it can utilize its shape memory function to provide mechanical stress stimulation to bone defect tissue, thereby activating mechanically sensitive calcium ion channels, inducing the influx of calcium ions and arginine from the coating into cells, thereby upregulating the NO-cGMP pathway, synchronously coordinating osteogenic and angiogenesis, and accelerating bone repair; it has an osteogenic-angiogenic coupling function, which can enhance and accelerate bone regeneration, exhibiting excellent biomechanical properties and synchronously coordinating osteogenic and angiogenesis during the bone repair process.