91 results about "Joints surgery" patented technology

Methods, devices and systems for planning, monitoring, simulating and / or evaluating a knee surgery procedure. Imaging data of the lower limb is acquired. Interpretable 3D models are generated and combined with static and dynamic parameters into an enhanced bone model. Intervention strategy is simulated. Deviations from the intervention strategy are monitored during surgery. Clinical outcome is predicted from machine learning. Methods for calibrating knee surgery imaging data, establishing an alignment reference frame, and simulating an intervention strategy in a knee surgery procedure.

The invention discloses a multi-angle traction fixing device for a knee joint operation, relates to the technical field of medical instruments, and solves the problem that the bending angle of a knee joint cannot be conveniently adjusted. A multi-angle traction fixing device for a knee joint operation comprises a bed body, a groove is formed in the side, close to a bed tail, of the upper end of the bed body, symmetrical supporting seats are fixedly arranged on the front side and the rear side, close to a bed head, in the groove, and shaft rods are in driving connection between the symmetrical supporting seats on the two sides through driving mechanisms; the two sides of the outer surfaces of the two shaft rods are fixedly connected with thigh supports which are symmetrically arranged, and the ends, away from the supporting base, of the two symmetrical thigh supports are connected with shank supports which are arranged in a U shape. The driving mechanism drives the shaft rod to rotate to drive one end of the thigh support on the outer surface to be lifted upwards, and then the shank support is hinged to the lifted part of the thigh support, so that a proper included angle is formed between the joints of the shank support and the thigh support.

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.

The present invention relates to a surgical spacer device (100) for a joint, comprising a substantially cylindrical or truncated-cone-shaped main body (101), internally hollow and configured for insertion in a distracted joint (1, 2); the main body (101) comprising: a first terminal surface (102) substantially flat and configured to abut onto a first bone portion (1) of the joint (1, 2); a second terminal surface (103) substantially annular and configured to abut onto a second bone surface (2) of the joint (1, 2) opposite the first bone portion (1), the second terminal surface (103) having a first opening (10) for access to the second bone portion (2); at least one lateral element (104) configured for maintaining a three-dimensional spaced structure between the first terminal surface (102) and the second terminal surface (103), the at least one lateral element (104) defining a second opening (20) configured for allowing a lateral access inside the main body (101) and further an access to the second bone portion (2) through the first opening (10).

A method for guiding bone removal during a surgical procedure includes receiving a two-dimensional image of at least a portion of a joint during a surgical procedure; determining an alignment of a pre-generated three-dimensional model of the at least a portion of the joint with the two-dimensional image based on one or more features in the two-dimensional image related to the at least a portion of the joint, wherein the pre-generated three-dimensional model contains a representation of planned bone removal; generating an overlay image containing an overlay of at least a portion of the representation of the planned bone removal on the two-dimensional image based on the determined alignment; and displaying the overlay image to guide the bone removal during the surgical procedure.

A bone registration method and system for joint replacement surgery, based on a VSF surface in a preoperative coordinate system generated from preoperative bone image data and a source point set SPS in an intraoperative coordinate system generated from point data collected from the patient's actual bone surface during surgery, determines the transformation relationship between the preoperative and intraoperative coordinate systems through initial and precise registration. The method includes: a first step: selecting multiple corresponding point pairs from the source point set SPS and the VSF surface, performing initial registration based on Singular Value Decomposition (SVD), and obtaining the initial transformation matrix; and a second step: performing precise registration based on the initial transformation matrix using the ICP method. Each ICP iteration employs a least-squares optimization method that minimizes the sum of squared distances between each point in the transformed source point set SPS and the corresponding projection points in the projection point set PSPS. The algorithm stops when the error is less than a set value or the number of iterations reaches a set value.

The application discloses a robot-assisted joint replacement surgery accurate positioning device, which comprises a machine arm body, a lower limb arm and an upper limb arm arranged on the lower limb arm, an adjusting assembly, a positioning component, a first joint, a rotating shaft body and a matching shaft body, and rotating members arranged on the lower limb arm and the upper limb arm. The machine arm body, the adjusting assembly and the angle transformation assembly are cooperatively matched, the machine arm body provides basic bearing and multidimensional motion support for surgery positioning, and flexible coverage of a surgery area is realized through rotation and stretching of the large arm.

A method for planning a surgery to a knee joint includes recording a target HKA for a patient and, based on an evaluation of wear of the knee joint, setting an initial resection plan including setting planned femoral resections and setting at least one planned tibial resection. The method includes determining a planned HKA of the patient based on the initial resection plan. The planned HKA is a function of a femoral coronal alignment provided by the planned femoral resections and a tibial coronal alignment of the patient provided by the planned at least one tibial resection. The method further includes selectively adjusting the initial resection plan based on the target HKA and the planned HKA by adjusting the planned tibial coronal alignment and / or the planned femoral coronal alignment to provide an adjusted resection plan with an adjusted planned HKA that is within a threshold of the target HKA.

The invention relates to the technical field of medical data processing and intelligent decision-making, in particular to an auxiliary decision-making data processing system for a pediatric hip joint surgery anesthesia scheme, which comprises a multi-dimensional state acquisition module for synchronously acquiring perioperative period physiological signs and environmental event data; the causal decoupling analysis module is used for decomposing the physiological signal fluctuation into nociceptive stimulation, drug inhibition and volume deficiency components; the compensatory reserve evaluation module is used for generating a quantized system compensatory reserve index based on the causal attribution vector; the risk game decision module is used for constructing a multi-target dynamic game model and generating a control strategy according to an interval where an index is located; the proportion optimization output module is used for calculating dynamic proportion parameters aiming at different regulation and control variables and generating a decision instruction; according to the method and the system, latent hemorrhage or vagus nerve reflex can be effectively identified, wrong medication during compensation depletion is avoided, and the safety of a high-risk operation is remarkably improved.

The utility model discloses an acetabular fossa positioning tool for hip joint surgery, and relates to the technical field of total hip joint replacement. The damping device comprises a mounting frame, a mounting hole is formed in one side of the mounting frame, a damping ball joint is mounted on one side of the mounting frame, a ball body is mounted in the damping ball joint, a connecting rod is fixedly connected to one side of the ball body, a supporting rod is arranged on one side of the connecting rod, and the supporting rod is fixedly connected to the other side of the mounting frame. An extension rod is arranged on one side of the supporting rod, and a fixing shell is arranged on one side of the extension rod. According to the utility model, the pressing block is pressed downwards, the spring is compressed under stress, then the pressing block descends into the positioning groove, and then the extension rod is dragged to enable the movable rod to move in the supporting rod in a limited manner; and the pressing block is moved to the interior of the next clamping groove and then is reset to the interior of the clamping groove by virtue of the elasticity of the spring, so that the current extending distance is positioned, and the effect of conveniently adjusting the use length is achieved.

The application discloses a data processing method and device for a hip joint, a storage medium and an electronic device. It relates to the technical field of artificial intelligence. The method comprises the following steps: acquiring medical image data of a target object hip joint; identifying the fusion type of the hip joint in the medical image data by using a fusion recognition model, to obtain a target fusion type corresponding to the medical image data; performing three-dimensional reconstruction based on the medical image data according to the target fusion type, to obtain a first bone model; and obtaining a target registration point set according to the first bone model, wherein the target registration point set is used to provide guidance for registration in a hip joint surgery. The application solves the problem of low accuracy of registration point selection caused by hip joint fusion in the prior art.

The utility model relates to the technical field of medical rehabilitation instruments, in particular to a joint surgery postoperative limb rehabilitation exercise device which comprises a fixing bottom plate, a fixing transverse rod extending in the length direction of the fixing bottom plate is arranged at the top of the fixing bottom plate and located in the middle, and a forward and reverse motor is installed at the front end of the fixing transverse rod. The output end of the forward and reverse motor penetrates through the interior of the fixed cross rod and is connected with a driving screw rod, the driving screw rod is sleeved with a screw rod sliding sleeve in a threaded mode, and a distance graduated scale is arranged at the position, located on one side of the fixed cross rod, of the top of the fixed bottom plate. And by controlling the moving distance of the foot, the moving angle of the knee joint is controlled, and the rehabilitation device is suitable for different patients or different rehabilitation stages of the patients.

Systems and methods may be used to perform robot-aided surgery. A system may include a robotic controller to monitor a position and orientation of an end effector coupled to an end of a robotic arm. The robotic controller may apply a force to a bone using the end effector, such as via a soft tissue balancing component. The robotic controller may determine soft tissue balance using information from a tracking system, such as a position of a first tracker affixed to the bone. The soft tissue balance may be output, such as to a display device.

This utility model relates to the field of orthopedic positioning and guidance technology, specifically disclosing a positioning and guidance device for bone and joint surgery, including: an operating table, and further including: a drive assembly, which is disposed on one side of the operating table and is used to drive the device to move; a lifting assembly, which is disposed in the middle of the drive assembly and is used to adjust the position and height of the device, and a rotating assembly is disposed on the upper side of the lifting assembly. By running the drive assembly, the entire device can be moved, thereby facilitating the adjustment of the device's position. By providing the rotating assembly, the telescopic assembly can be rotated and adjusted according to the patient's condition, thereby driving the clamping assembly to rotate and adjust, and thus facilitating the positioning of the surgical instruments held by the clamping assembly to the patient's affected area. The telescopic assembly can extend the length of the device, thereby improving the device's flexibility.

The application provides a hip joint surgery robot autonomous operation system, comprising: a skin cutting module, used for generating skin cutting instructions for hip joint surgery to instruct a surgery robot to perform skin cutting operation according to the skin cutting instructions; a grinding and filing module, used for generating grinding and filing instructions for hip joint surgery to instruct the surgery robot to perform grinding and filing operation according to the grinding and filing instructions; and a suturing module, used for generating suturing instructions for hip joint surgery to instruct the surgery robot to perform suturing operation according to the suturing instructions. The skin cutting instructions, the grinding and filing instructions and the suturing instructions can be generated to instruct the surgery robot to perform corresponding autonomous operation in hip joint surgery, thereby improving the surgery efficiency.

The present invention discloses a hip-knee integrated surgical robot and its alignment method, comprising a surgical instrument mounted at the end of a multi-degree-of-freedom robotic arm for controlling the motion path and speed of the surgical instrument; a medical image fusion module for receiving and processing image data from medical imaging equipment to construct a three-dimensional model of the hip joint and knee joint; an image alignment module for aligning the three-dimensional model with the real-time image during surgery; an optical tracking module for setting marking points, which are set on the surgical instrument. The optical tracking module obtains the position and posture of the surgical instrument in three-dimensional space in real time by tracking the marking points. The hip-knee integrated surgical robot system of the present invention is applied to hip and knee replacement or repair surgery to solve the problems of insufficient surgical accuracy, complicated and cumbersome operation, and long time consumption in current technology, and realizes the integration of hip and knee dual joint surgery, thereby significantly improving the accuracy, safety and efficiency of the surgery.

The present invention discloses a hip joint surgical robot based on three-dimensional scanning and image processing and a fast and accurate alignment method thereof, comprising a three-dimensional scanner, which is integratedly installed at the end of the hip joint surgical robot and is used to perform three-dimensional contour scanning of the inside of the acetabulum to generate three-dimensional image data; a central processing unit, which is tightly coupled with the three-dimensional scanner and is used to receive and analyze and process the three-dimensional image data in real time; an image processing module, which is configured to pre-process the three-dimensional image data obtained by the scan, identify and extract the bone structure, separate the bone structure contour in the acetabulum, and obtain bone structure information; the present invention can accurately distinguish between orthopedic flesh and soft tissue through the image processing module, eliminate the influence of soft tissue deformation on alignment accuracy, and achieve more accurate surgical instrument positioning and implant placement. The technical means of the present invention can not only improve the accuracy of surgical operations, but also reduce operation time, reduce the workload of doctors, and improve surgical safety.

The invention discloses a hip joint data processing method and device, a storage medium and electronic equipment. The method relates to the technical field of artificial intelligence, and comprises the following steps: acquiring medical image data of a hip joint of a target object; identifying a hip joint fusion type in the medical image data through a fusion identification model to obtain a target fusion type corresponding to the medical image data; performing three-dimensional reconstruction based on the medical image data according to the target fusion type to obtain a first skeleton model; according to the first skeleton model, a target registration point set is obtained, and the target registration point set is used for providing guidance for registration of the hip joint surgery. Through the method and the device, the problem of relatively low accuracy of registration point selection caused by hip joint fusion in related technologies is solved.

The utility model relates to an extramedullary positioning far-end osteotomy module based on 3D printing, which belongs to the technical field of knee joint surgical instruments and comprises a far-end osteotomy module body, the far-end osteotomy module body is mounted on a sliding rod of a guide positioning plate, an elastic locking structure is arranged on the far-end osteotomy module body and located on one side of the sliding rod, and the elastic locking structure is connected with the far-end osteotomy module body. The elastic locking structure comprises a pressing end and a clamping end, the fixing side of the clamping end is fixed to the far-end osteotomy module body, clamping teeth are arranged on the clamping side of the clamping end, and the clamping teeth are matched with the sliding teeth on the sliding rod; a positioning groove is formed in the bottom of the far-end osteotomy module body, and reinforcing ribs are arranged on the two sides of the positioning groove. According to the intramedullary nail, extramedullary positioning is adopted, the application range is wider, the integrated forming technology is adopted, the cost is greatly reduced, the production period is shortened, the precision is higher, the infection risk is reduced, locking can be achieved through elastic deformation of medical-grade nylon materials, and the safety can be improved through the reinforcing rib structure adopted at the bottom.

This utility model discloses a support frame assembly for orthopedic joint surgery, including a base, a hook connected to one side of the base, a support column above the base, a support platform above the support column, support baffles on both sides of the support platform, a fixed bracket fixedly mounted on one side of the upper part of the support platform, a fixed plate connected to the fixed bracket, a rotating shaft on the other side of the upper part of the support platform, both ends of the rotating shaft connected to the support baffles, a flipping bracket rotatably mounted on the rotating shaft, a flipping plate connected to the flipping bracket, and a rotation drive component on the support platform to drive the flipping bracket to flip. This design, with its fixed plate and flipping plate, works together to adapt to different limb shapes and positioning needs of patients, facilitating intraoperative positioning and adjustment of the limbs.

This application discloses a knee joint surgery auxiliary fixation device, belonging to the field of knee joint surgery technology. It includes a handle, a swing arm with a sliding hole, the handle being slidably disposed in the sliding hole, one end of a steel cable extending into the swing arm and connected to the handle, and the other end of the steel cable connected to a movable rod. The movable rod has teeth, and a shaft has grooves adapted to the teeth. One end of a spring is connected to the movable rod, and the other end of the spring is connected to the shaft. This application is a knee joint surgery auxiliary fixation device. By pulling the handle, the movable rod is moved under the action of the steel cable until the teeth on the movable rod disengage from the grooves on the shaft. At this point, the movable rod can rotate within a bushing, thus rotating the swing arm and shaft. This allows control of the swing arm and footrest to rotate to a target angle, conforming to the foot contour and providing foot support.

This utility model discloses a multi-module support and positioning frame for knee joint surgery, including a stainless steel base with four foot-operated protrusions on the base to meet the fixation requirements of the knee joint at different angles. These protrusions allow the patient's lower limb to switch between at least five stable positions, enabling unrestricted leg movement. The surface of each foot-operated protrusion has a gel-like support portion. This multi-module support and positioning frame for knee joint surgery, by providing four foot-operated protrusions of varying heights in a stepped distribution on the stainless steel base, can meet the fixation requirements of the knee joint at different angles, allowing the patient's lower limb to switch between at least five stable positions, ensuring unrestricted leg movement. It solves the problem of a single fixation method. The gel-like support portion on the surface of the foot-operated protrusions increases patient comfort, reduces local pressure injury to the skin, reduces discomfort during surgery, and optimizes ergonomic design.

1. Name of this product design: Knee-opening knee joint exercise trainer (folding model). 2. Application of this design: It is suitable for the treatment of pain and dysfunction in knee osteoarthritis, the rehabilitation treatment of postoperative functional impairment after knee joint surgery, and the rehabilitation treatment of functional impairment caused by knee joint injury. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1. 5. The bottom surface of the product is a part that is not easily seen or cannot be seen during use, so the bottom view is omitted.

An apparatus and method for performing a surgical procedure or surgical procedure by visual guidance using an optical head-mounted display is disclosed.

1. The name of the design product: prosthesis position adjustment graphical user interface for electronic device. 2. The use of the design product: for an electronic device. 3. The design points of the design product: in the graphical user interface. 4. The picture or photo that best shows the design points: design 1 front view. 5. The electronic device is of conventional design, and other views are omitted. 6. Design 1 is designated as the basic design. 7. The use of the graphical user interface: for scaling, panning, and rotating the prosthesis position in hip joint surgery planning to place it in the right position, the annular pattern in the middle of design 1 front view is the prosthesis adjustment tool, supporting rotation, panning, and scaling operations, the up, down, left, and right arrows indicate the panning direction, the arc-shaped arrow indicates the rotation direction, and both panning and rotation support coarse and fine adjustments, dragging the center dot of the annular pattern can perform coarse panning, dragging the dot in the middle of the arc-shaped arrow can perform coarse rotation, clicking the four arrows up, down, left, and right can perform fine panning, and clicking the arc-shaped arrow can perform fine rotation, the value in the input box above the prosthesis represents the cup diameter, the cup size is adjusted by inputting the value, and the adjustment tool size changes with the change of the cup size; dragging the dot on the arc-shaped arrow of design 1 front view can rotate the prosthesis position display clockwise or counterclockwise, design 1 change state diagram 1 shows the prosthesis position adjustment, and design 1 change state diagram 2 shows the end of the prosthesis position adjustment; design 2 front view shows design 2 change state diagram 1 by dragging the dot in the center of the adjustment tool to the right, design 2 change state diagram 1 shows the prosthesis position adjustment, and design 2 change state diagram 2 shows the end of the prosthesis position adjustment; design 3 front view shows design 3 change state diagram by inputting the value "80" in the input box above the prosthesis.

1. Name of the product in this design: Knee-opening knee joint exercise trainer. 2. Application of this design: It is suitable for the treatment of pain and dysfunction in knee osteoarthritis, the rehabilitation treatment of postoperative functional impairment after knee joint surgery, and the rehabilitation treatment of functional impairment caused by knee joint injury. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The invention relates to a thighbone and tibia gap measuring device and system and a knee joint operation system. The thighbone and tibia gap measuring device comprises an air bag unit, an upper platform unit, a lower platform unit, a limiting unit and a pressure monitoring unit. The femur and tibia gap measuring device has the advantages that the femur and tibia gap measuring device is of an ultra-thin structure and can be conveniently placed in a joint gap of a femur and a tibia before an operation, so that gap measurement before osteotomy is met; through pressure monitoring, the joint gap value can be obtained in real time, so that the osteotomy efficiency is improved, the osteotomy amount is reduced, and excessive osteotomy is avoided; the method is high in universality and can be suitable for different measurement scenes; cost is low, and large-scale popularization and use are facilitated.

The invention belongs to the technical field of knee joint operation instruments, and particularly relates to a knee joint operation auxiliary device which comprises a positioning part, an adjusting part, a limiting part, a supporting part, an auxiliary platform and a lifting part. The positioning part is connected with the limiting part through the adjusting part; a limiting device is arranged on the adjusting part; the supporting part comprises a locking piece and a supporting arm; one end of the supporting arm is fixedly connected with the auxiliary platform, and the other end is hinged with the auxiliary platform; at least three rotating joints are arranged in the supporting arm; one end of the locking piece penetrates through the supporting arm and then is fixedly connected with the limiting platform; at least two mounting grooves are formed in the auxiliary platform; the lifting part comprises a limiting frame, an adjusting piece and a traction piece; one end of the limiting frame is detachably connected with the mounting groove, and the other end is hinged with the traction piece; one end of the traction piece away from the limiting frame is a drag hook; at least two adjusting grooves are formed in the side, away from the traction piece, of the limiting frame. One end of the adjusting piece is hinged to the middle of the traction piece, and the other end penetrates through the limiting frame and then is detachably connected with the adjusting groove.

This invention discloses a support for arthroscopic surgery in sports medicine, characterized by comprising a mounting base, wherein a height adjustment component is provided within the mounting base, and a clamping component is detachably connected to the height adjustment component; the clamping component includes a universal ball housing, within which a universal ball is rotatably connected, and the universal ball has a through hole for the arthroscope rod to pass through; the universal ball housing is provided with a locking component one for selectively restricting the rotation of the universal ball; a locking component two is provided at the edge of the through hole of the universal ball, the locking component two being used to selectively restrict the axial movement and circumferential rotation of the arthroscope rod relative to the through hole of the universal ball. This invention solves the problems of existing arthroscopic surgical supports that cannot adjust the angle and position of the arthroscope, which is inconvenient for doctors to perform joint surgery, reduces surgical efficiency, and is not securely fixed after adjustment, affecting the stability of the support.

The invention discloses a hip joint surgical drape, which belongs to the field of medical instruments and comprises a surgical drape body, a moisture absorption patch, a through hole, an elastic ring, a liquid collection bag and a drainage wing. The moisture absorption patch is attached to the surgical drape body, coincident through holes are formed in the surgical drape body and the moisture absorption patch, elastic rings are arranged around the through holes, liquid collection bags are arranged on the two opposite sides of the moisture absorption patch, drainage wings are connected to the two opposite sides of the moisture absorption patch, and the drainage wings extend into the liquid collection bags. When a large amount of flushing is carried out in the operation process, the moisture absorption patch and the drainage wings form a drainage channel, liquid is guided into the liquid collection bag in time, and the operation environment is prevented from being polluted.