339 results about "Orthopaedic procedures" patented technology

The invention belongs to the technical field of orthopedic surgery navigation, discloses a communication and positioning integrated orthopedic surgery navigation method and system based on multi-dimensional perception, and aims to solve the problems that in an existing orthopedic navigation technology, optical navigation is prone to being shielded, multipath interference of UWB positioning is serious, and real-time performance is insufficient. Comprising the steps of obtaining measurement values including positioning data of a UWB positioning module, ranging data of a laser ranging module and an attitude angle of an IMU module; according to the method, extended Kalman filtering is adopted, positioning data of a UWB positioning module, ranging data of a laser ranging module and an attitude angle of an IMU module are taken as state vectors, dynamic adjustment of credibility is realized by adjusting a process noise matrix of a state equation and a measurement noise matrix of a measurement equation according to task characteristics, and the credibility of the UWB positioning module is improved according to data of different credibility. And resolving the pose state of the tail end of the surgical instrument. The method has the advantages of high positioning precision, high response speed, high environmental adaptability and high resource efficiency.

The invention discloses an artificial intelligence assisted femoral neck fracture screw path planning system and method, and the system comprises an image collection module, a structure recognition module, a path planning module, a decision feedback module and a robot execution module, and all the modules achieve the linkage through data and control signal interfaces. Structured and data-driven design reference is provided, unnecessary attempts and repeated operations are reduced, the path design efficiency and standardization level are improved, and the implementation mode has good adaptability, can be compatible with existing multi-brand orthopedic robot platforms, is especially suitable for intelligent screw path planning in femoral neck fracture fixation, and has wide application prospects. The method has remarkable advantages in the aspects of technical innovation and industrial application, and is expected to improve the screw implantation precision, shorten the time consumption in the operation, reduce the track adjustment frequency, reduce the radiation exposure risk, and promote the deep development and clinical transformation of the AI-assisted intelligent path control technology in the field of orthopedic operations.

The embodiment of the invention provides an intelligent bone drilling self-adaptive control method for a mechanical arm, which comprises the following steps: acquiring displacement deviation of the tail end of a drill bit of an orthopedic surgical robot, obtaining an error change rate through differential calculation, and combining a bone layer type as an input variable of a fuzzy controller and a feeding speed as an output variable; input variables are fuzzified through a membership function, and a fuzzy language variable set is obtained; according to the set and a preset rule base, constructing a multi-rule group structure comprising three types of scenes of free space, cancellous bone and cortical bone, and setting corresponding fuzzy rule subsets for different bone layers; designing a ''minimum-maximum'' rule activation and combination strategy for reasoning by adopting a Mamdani type fuzzy reasoning method according to fuzzification input and a multi-rule group structure, and generating a fuzzification output variable set; and defuzzification is performed through a gravity center method to obtain a continuous speed instruction, and dynamic regulation and control of the drill bit feeding speed are achieved. When approaching a penetration point, the device automatically decelerates and safely stops, so that the safety and accuracy of an operation are effectively guaranteed, and over-drilling injury is prevented.

A method of operating an orthopaedic surgical system may include displaying a unique identifier on a visual display of a first device positioned in an operating room, the unique identifier being associated with a digital medical record of a patient positioned in the operating room, capturing the unique identifier with a camera of a second device positioned in the operating room, establishing a unique electronic connection between the second device and the digital medical record of the patient based on the unique identifier, capturing one or more images of the patient with the camera of the second device, transferring the one or more images from the second device to the digital medical record of the patient using the unique electronic connection, and accessing the one or more images with the first device to guide performance of an orthopaedic surgical procedure on the patient.

The invention discloses an orthopedic surgery planning and real-time navigation method and system based on artificial intelligence and multi-modal image fusion. The method comprises the following steps: receiving and fusing preoperative multi-modal image data of a patient, and automatically segmenting a key structure by using a deep learning model to generate a three-dimensional virtual model; an optimal operation path is planned through an artificial intelligence model according to the three-dimensional virtual model; the spatial positions of the surgical instrument and the target skeleton area of the patient are tracked in real time through an electromagnetic positioning system, and real-time spatial position data and the three-dimensional virtual model are registered and are fused, overlapped and displayed on a surgical navigation screen; the relative position deviation between the tip of the surgical instrument and the optimal surgical path and the key tissue safety area is calculated in real time, and an early warning is given to a surgeon according to the relative position deviation. The optimal operation path can be accurately and objectively generated so as to ensure the adaptability of the operation path and the patient. Therefore, doctors can pay attention to the operation process specifically, and the operation stability and reliability are improved.

The invention relates to the technical field of orthopedic surgery, and discloses an orthopedic surgery real-time navigation system based on multi-modal image fusion and artificial intelligence. The multi-modal image fusion module is used for generating a three-dimensional skeleton and soft tissue fusion model for surgical navigation; the artificial intelligence analysis module is used for determining a fracture line, a screw implantation angle and a cutting track; the intraoperative tracking module is used for generating a real-time correction instruction; the verification updating module is used for carrying out rationality verification on the real-time correction instruction; if the inspection is not passed, an alarm mechanism is triggered, instantaneous motion state parameters of the surgical instrument are collected, the instantaneous motion state parameters are compared with the cutting track, and the correction instruction is updated according to the comparison result; and the execution module is used for driving the surgical instrument to execute the surgical operation according to the updating correction instruction. According to the invention, manual operation errors can be effectively reduced.

The invention discloses a drilling aiming device for orthopedic surgery, relates to the technical field of orthopedic surgery, and provides the following scheme that the drilling aiming device comprises cross rods, a rectangular mounting plate is arranged between a pair of cross rods, pressure sensors are mounted at the four corners of the mounting plate, and first electric push rods are connected between the stress ends of the pressure sensors and the cross rods; a vertical sleeve is slidably connected to the mounting plate, a rotating cylinder is rotatably connected to the mounting plate, a slidable scale ring is rotatably connected to the rotating cylinder, a supporting frame is mounted below the cross rod, and an abutting block is connected to the supporting frame; the leg is clamped through the abutting block, stability is improved, the mounting plate is pulled in any direction, under the action of the pressure sensor, the first electric push rod shrinks or stretches, the movement angle of the mounting plate is conveniently controlled manually, the scale ring rotates during punching, when the zero scale on the scale ring reaches the pointer, it is indicated that the punching depth is the needed depth, and the punching efficiency is improved. The punching depth is effectively limited, and operation is convenient.

The invention belongs to the technical field of minimally invasive orthopedic surgeries, and provides a multi-angle precise drilling guider for minimally invasive orthopedic surgeries, which comprises a longitudinal guide frame fixedly connected to one side edge of an operating table through a plurality of bolts, and a pre-positioning mechanism for preliminarily positioning a drilled hole is arranged on the longitudinal guide frame; a guide mechanism for guiding the drilling direction of the drilling rod is arranged in the pre-positioning mechanism, the guide mechanism comprises an outer barrel, the outer part of the outer barrel is slidably sleeved with a ball, and the ball is hinged to the center of the mounting seat; the guide mechanism is arranged, the eight rolling rods are evenly distributed, sliding friction between the drill rod and the inner barrel is converted into rolling friction, the friction coefficient is effectively reduced, power loss is greatly reduced, meanwhile, silicone oil is adopted for lubrication, an oil film is formed on the rolling contact face, friction is further reduced, and according to the diameter change of the drill rod, the diameter of the drill rod can be changed. And the radial distances of the eight rolling rods are electrically and synchronously adjusted, so that rolling supporting of drill rods with different diameters is met, and the applicability is high.

The invention discloses an orthopedic surgery navigation drilling and implant placement intention real-time optimization method based on multi-modal perception, and relates to the technical field of computer-aided surgery, man-machine interaction and intelligent medical equipment. Multi-modal signals such as electroencephalogram, eye movement and myoelectricity of a doctor are collected in real time through XR glasses and an intelligent surgical drill; and inputting the pre-trained micro-world model to generate a current intention vector and predict a future bone structure trajectory. The intention level is judged by calculating the energy distance between the intention and the master template and an emotional value function: when the intention meets the master level condition, the system automatically generates an XR green optimal path and assists in operation; and when the intention is identified as the risk intention, triggering the skykeeper system to lock the equipment and send out an alarm. The system supports a data federation learning evolutionary model, and immediately destroys an original multi-mode signal after encoding to guarantee data security. According to the invention, the real-time monitoring, evaluation and guidance of the operation intention are realized, and the accuracy and safety of the operation are improved.

The invention relates to the technical field of orthopedic medical treatment, in particular to a dynamic path planning method and system for an orthopedic surgical robot, and the method comprises the steps: fusing multi-modal medical diagnosis information to construct a three-dimensional model, and formulating an initial scheme containing an obstacle avoidance boundary; in the operation, multi-source data are collected through multi-device cooperation and time sequence alignment is carried out; performing two-dimensional dynamic calibration to generate a compensation value; updating paths and parameters according to a hierarchical strategy, and verifying a security boundary; real-time feedback is realized; and convenient manual intervention is provided. The system comprises a multi-modal data processing module, an intra-operative collaborative acquisition module, a dynamic calibration module, a path adjustment module, a man-machine interaction module and a main control module, and full-process automation is achieved. The operation accuracy and safety can be improved, manual operation of doctors is reduced, clinical requirements are met, and the method has important clinical application value.

The invention discloses an orthopedic surgery navigation positioning method and system based on three-dimensional registration, and belongs to the technical field of orthopedic surgery navigation. According to the method, through preoperative multi-modal image fusion reconstruction, intraoperative dynamic point cloud collection and an improved mixed registration algorithm, precise alignment of a preoperative model and an intraoperative actual skeleton is achieved, and by combining real-time error monitoring and dynamic compensation, precise positioning parameters of a surgical instrument are output to guide surgical operation; the system corresponds to the method and comprises an image acquisition module, a three-dimensional reconstruction module, a registration calculation module, a navigation guiding module, an error monitoring module and a control module, all the modules work cooperatively, and it is ensured that the navigation positioning precision is smaller than or equal to 0.3 mm, the registration time is smaller than or equal to 3.5 s, and the dynamic error compensation response time in the operation is smaller than or equal to 50 ms. The method does not need to depend on a physical marker, does not need a doctor to manually intervene the registration process, is high in anti-interference capability, is suitable for various orthopedic surgery scenes, effectively reduces the surgical risk, and improves the surgical efficiency and the standardization level.

The invention discloses an arthroscope with a variable viewing angle for orthopedic surgery, and relates to the technical field of medical instruments, the arthroscope comprises a control handle, the control handle is provided with an arthroscope body in a penetrating manner, the end part of the arthroscope body is provided with an auxiliary disc, the auxiliary disc is provided with an LED light source for auxiliary illumination, and the side of the LED light source is provided with a camera. According to the arthroscope with the variable visual angle for the orthopedic surgery, when a user needs to adjust the angle of a camera, the user only needs to rotate a rotary knob, so that a visual angle adjusting mechanism starts to operate, the internal pressure of a micro soft actuator is increased at the moment, and deformation and bending occur; the deformed and bent miniature soft actuator can synchronously drive the auxiliary disc to perform angle change, so that the camera is further adjusted, an operator can realize visual angle adjustment only by adjusting a knob, the operation of angle adjustment is simplified, the operation efficiency is improved, a wider visual field is provided for an operation, and the operation safety is improved. And the flexibility of surgical operation is improved.

The utility model discloses a needle type threader for orthopedic surgery, which comprises a threader component, a reset component and a positioning cut-off component, the threader component is arranged on the left side of the reset component, the positioning cut-off component is arranged on the right side of the reset component, the threader component comprises a threading needle and a handle, and the threading needle is arranged on the handle. The reset assembly comprises a positioning block, a first sliding groove, a first spring and a first sliding block, the positioning cut-off assembly comprises a fixing base, a second spring, a pressing plate, a positioning sliding rod, a positioning plate, a fixing block, a cutter, a positioning groove, a connecting block and a third spring, the threading needle is fixedly installed on the left side of the handle, and the positioning block is fixedly installed on the right side of the handle. The needle type threader for the orthopedic surgery is convenient to cut off and good in positioning effect, and solves the problems that a needle type threader in the prior art is not convenient to cut off a thread and is not convenient to position the thread during use, so that the needle type threader is complex to operate during the surgery.

This invention relates to the field of orthopedic surgical risk assessment, and in particular to a method and system for orthopedic surgical risk assessment. By acquiring preoperative and intraoperative data of a patient's orthopedic surgery, the method preprocesses the preoperative and intraoperative data, extracts the spatial features of bone microstructure from the initial orthopedic surgical data using a cascaded feature extraction network, calculates the correlation weights between imaging data and biological signals through a cross-modal attention mechanism, and constructs a patient-specific bone model based on finite element analysis to simulate the characteristic orthopedic surgical data in real time. The method simulates the distribution of joint contact stress at different osteotomy angles, the impact of micromotion thresholds at the bone implant interface and hemodynamic changes on the bone healing microenvironment after internal fixation device implantation, significantly reducing complications caused by improper operation and improving the surgical success rate.

The utility model provides a split type kirschner wire and a kit for an orthopedic surgery robot, and belongs to the technical field of kirschner wires, the split type kirschner wire comprises a front kirschner wire body used for puncturing bones and a rear kirschner wire body used for being connected with an end effector of the orthopedic surgery robot, the front kirschner wire body is detachably connected with the rear kirschner wire body. Compared with Kirschner wire bending operation in the prior art, after the split type Kirschner wire is driven into the human body, the front Kirschner wire body with the proper length can be obtained more conveniently and safely, the problem of positioning displacement or loss caused by excessive pulling of the Kirschner wire is solved, and the Kirschner wire is more convenient to use. After the front kirschner wire body is detached and separated, due to the fact that the connecting end of the front kirschner wire body is smooth and clean, follow-up balloon dilatation kyphoplasty or pedicle screw implanting operation is facilitated, operation risks are reduced, and related operation operations can be carried out more safely, more reliably and more conveniently.

The invention relates to a front sight laser aiming auxiliary device which is used for guiding a kirschner wire to present a point-shaped perspective shadow on a C-arm screen in an orthopedic operation, and belongs to the technical field of medical instruments. The device aims at solving the problems that in traditional Kirschner wire perspective point forming operation, repeated perspective depends on the experience of an operator, radiation exposure is large, and operation precision is difficult to guarantee. The device mainly comprises a front sight base which can be fixed on the surface of a receiver of the C-arm machine, wherein a ball head base is arranged in the center of the front sight base; and the ball head laser indicator is arranged on the base and is adjustable in laser direction. When in use, the perspective image is adjusted to the central position of the front sight on the screen by moving the metal point on the operating table. Installing a laser lamp, adjusting the laser lamp to irradiate on a metal point on an operating table, and screwing a nut to fix the position of the laser lamp at the moment. Therefore, a visible laser guide line coinciding with the path of the target X-ray beam is established. And an operator only needs to adjust the guide needle along the laser ray and place the guide needle, so that the guide needle can be stably developed in a point shape in a perspective image, and accurate and rapid screw guide needle placement is realized. The device is simple in structure, low in cost, intuitive in operation, capable of remarkably reducing intraoperative radiation and reducing dependence on experience of operators, and suitable for being used in hospitals of all levels to carry out precise orthopedic surgery under perspective guidance.

An orthopaedic surgical instrument includes a 4-in-1 cutting block and a removable alignment guide. The alignment guide is configured to contact the posterior femoral condyles of a patient's femur so as to kinematically align the 4-in-1 cutting block. A number of shims are selectively installed on the alignment guide to account for any cartilage loss present on the patient's femur. A method of surgically preparing a patient's femur utilizing kinematic alignment is also disclosed.

An orthopedic saw configured for orthopedic surgical procedures may include an element including a cutting surface, a drive mechanism, and a handle. The drive mechanism may be configured to move the cutting surface in a continuous recirculating motion. The handle may be configured to guide the cutting surface along a cutting path.

The application relates to a bendable electrode with a liquid channel and a system thereof, and belongs to the technical field of orthopedic surgical instruments. The bendable electrode comprises a handle, a plasma electrode and an insertion part. The insertion part is connected to the handle at one end, and comprises an outer tube and an inner tube. The outer tube is movably arranged in the handle at a proximal end and can move along the axis direction of the outer tube, and the distal end of the outer tube is provided with an outer bendable section. The inner tube is arranged in the outer tube, and the proximal end of the inner tube is fixedly connected to the handle, and the distal end of the inner tube is provided with an inner bendable section. The plasma electrode is arranged at the distal end of the inner bendable section, and is provided with a liquid injection port. The inner and outer tubes with multi-dimensional adjustment capacity are arranged in the insertion part, the snake bone structure is matched with the telescopic outer tube, and the electrode system can realize flexible guidance and multi-angle accurate positioning in a complex surgical path.

The application discloses a lateral lying pelvis fixator for surgery, which comprises a left extrusion fixing part and a right extrusion fixing part, wherein the left extrusion fixing part and the right extrusion fixing part each comprise a height adjusting rod, a transverse adjusting rod, a connecting rod, an extrusion plate, a pneumatic bidirectional locking mechanism and a control valve; the height adjusting rod, the connecting rod and the transverse adjusting rod each comprise an inner rod and an outer rod, the outer rod is arranged on the outer side of the inner rod, the pneumatic bidirectional locking mechanism is arranged between the inner rod and the outer rod of the height adjusting rod, the connecting rod and the transverse adjusting rod, the outer rod of the connecting rod is vertically fixed at the end of the outer rod of the transverse adjusting rod, the extrusion plate is arranged at the end of the inner rod of the connecting rod, and the control valve controls the closing of the pneumatic bidirectional locking mechanism, so that the locking and releasing actions can be completed by one key, different body types can be adapted, the precise positioning and stable patient lateral lying body position in orthopedic surgery can be ensured, the nerves and blood vessels can be protected from compression, and the efficiency of the surgery is improved.

The invention relates to the technical field of orthopedic surgery, and discloses a bone plate clamping device suitable for orthopedic surgery, which comprises a connecting piece, a clamping rod is hinged to the front side surface of the connecting piece, clamping plates are fixedly connected to the front end of the clamping rod, flexible pads are fixedly connected to the sides, close to each other, of the clamping plates, and the flexible pads are used for clamping and fitting a bone plate. According to the device, a clamping rod drives a clamping plate and a flexible pad to rotate and reset to clamp a bone plate, the bone plate is conveniently placed, a nut and an extension rod are fixed in a threaded mode, then a doctor can conveniently grab the bone plate, convenience is improved, after a connecting piece and the clamping rod are detached from the extension rod through the nut, cleaning and maintenance are convenient, a stirring piece is pressed towards the side close to the extension rod, and the bone plate can be conveniently clamped. The clamping rods can be opened more easily, the convenience is further improved, the extension rods rotate in the grip through the sleeve shafts and the rotating shafts, so that the connecting pieces and the clamping rods are driven to rotate, the angle of the bone plate is rapidly adjusted, and the applicability of the device is improved.

The invention relates to the field of orthopedic surgical instruments, in particular to a 3D printing calcaneus screw placement guide plate for percutaneous calcaneus screw placement and a preparation method of the 3D printing calcaneus screw placement guide plate. Wherein the plate body is provided with an inner surface and an outer surface opposite to the inner surface, and the inner surface of the plate body is a fitting curved surface matched with the contour of the surface of a heel; the guide part is fixedly arranged on the outer surface of the plate body, and the guide part is located in the middle area of the outer surface of the plate body; the guide part comprises a plurality of screw placement guide columns fixedly arranged on the outer surface of the plate body, and screw placement holes formed along the central axes of the screw placement guide columns; the nail placing holes penetrate through the plate body; according to the 3D printing calcaneus screw placement guide plate, through design and 3D printing manufacturing based on patient individual anatomical features, accurate guiding of percutaneous calcaneus screw placement is achieved, and the problem that due to the fact that a traditional percutaneous operation depends on experience of an operator, accuracy is insufficient is effectively solved.

The utility model discloses orthopedic surgery electric swing saw of reusable, include: front swing seat, pipe shell, handle seat, handle shell, battery pack subassembly, front swing seat and pipe shell front port butt joint, swing saw shaft vertical installation is in the front swing seat, saw blade is installed on swing saw shaft upper end through clamping mounting mechanism, pipe shell bottom is opened with threading port, handle seat is installed in threading port outside, be equipped with main plug in handle seat, and motor is connected with main plug through the power supply circuit of threading port, handle shell upper end is sleeved in handle seat outside, and battery pack subassembly is inserted in handle shell from handle shell bottom opening, and install the cover plate on handle shell bottom opening, be equipped with auxiliary plug and power supply button on battery pack subassembly, and auxiliary plug and main plug can butt joint communication, be equipped with start button on handle seat front end, and press down start button can press power supply button, seal pipe shell. The orthopedic surgery electric swing saw can be repeatedly used through high temperature steam disinfection.

The application discloses a kind of orthopedic surgery drilling devices, it is related to medical instrument technical field.Orthopedic surgery drilling device includes passive support arm, connecting positioner component, drilling positioner component, sleeve positioning component and drilling assembly, one end of the opposite ends of passive support arm is used to connect operating table, the other end is free end, for installing connecting positioner component, drilling positioner component, sleeve positioning component and drilling assembly.The application can support and fix drilling assembly in operation, without operating personnel hand-held drilling operation;In addition, the position of drilling assembly along the first direction can be adjusted using connecting positioner component and drilling positioner component, and then it is more conducive to drilling assembly to be in the best drilling position, to improve the efficiency and accuracy of drilling.

The utility model discloses a hand fracture surgery positioner which comprises a fixing base, a first fixing mechanism, a second fixing mechanism and a third fixing mechanism, the length extending direction of the fixing base is the relative front-back direction, the width extending direction of the fixing base is the relative left-right direction, and the top of the rear side of the fixing base is provided with the first fixing mechanism used for fixing fingers; the first connecting mechanism is connected with the rear end face of the fixed seat, and the first rotating mechanism rotates on the rear end face; the connecting rod mechanism is connected with the first connecting mechanism and rotates forwards and backwards around the first connecting mechanism; the needle feeding mechanism is connected with the connecting rod mechanism in a sliding mode, so that the needle feeding mechanism moves in the relative front-back direction; the hand fracture surgery positioner is more attached to the palm finger portion, positioning needles can be arranged in a multi-angle and parameterized mode, and positioning is more accurate. The utility model provides a hand fracture surgery positioner, belongs to surgical equipment, and is applied to orthopedic surgery, in particular to hand surgery.

DISPOSABLE ARM STRAP FOR ORTHOPEDIC SURGERY SPAR TABLE

The application provides a surgical positioning device for orthopedics, and relates to the field of orthopedic surgical devices, characterized in that the device comprises a base, two groups of three-way adjusting structures and clamping structures, the three-way adjusting structure is provided with an X-axis adjusting seat, a Y-axis adjusting seat and a scissors frame, cooperates with a screw rod A and a sliding seat, and realizes accurate adjustment of the mounting plate in the X, Y and Z three-axis directions; in the clamping structure, the inner sides of the two groups of clamping plates are respectively provided with left-handed and right-handed thread grooves, the screw rod B is provided with two sections of threads with opposite rotation directions, synchronous centering clamping is realized through the driving of a clamping motor, the clamping seat is matched with a circular guide rail through a driving seat, and can rotate by ±60° around an axis; the mounting plate is internally provided with a bidirectional screw rod, cooperates with a reverse thread on the moving seat, and realizes overall centering movement of the two groups of clamping structures; and the base is further provided with a projection assembly for auxiliary positioning. The application has the advantages that it can be accurately adjusted in multiple dimensions, clamping is stable and centered, the angle is flexibly adjustable, and the precision and efficiency of orthopedic surgical positioning are significantly improved.

This invention provides a compact end effector design for an orthopedic surgical robot, relating to the field of orthopedic surgical technology. The design includes a base plate, a first component, a second component, and a positioning post. Both the first and second components are connected to the base plate. The positioning post is used to mount a drill guide rod. The first component includes a first drive mechanism and a first drive plate. The first drive mechanism is connected to the first drive plate and can drive the first drive plate to perform translational motion in a first plane. The first drive plate is rotatably connected to the positioning post. The second component includes a second drive plate, which is rotatably connected to the positioning post. Therefore, the position of the drill guide rod can be easily adjusted and kept stable during orthopedic surgery, meeting the drilling positioning requirements at any angle. This makes operations that rely on physician experience more standardized and accurate, reducing dependence on physician clinical experience and allowing medical personnel to perform drilling operations more efficiently and accurately, thus improving surgical efficiency.