51 results about "Orthopedic Procedures" patented technology

An orthopedic surgical guide for a surgical operation to fuse two bone fragments, wherein the guide includes:—a frame configured to be removably attached to at least one of the two bone fragments,—a cutting window

To provide a device, a system, and a method for a preoperative plan and an intraoperative guidance for orthopedic surgery of a fractured joint suffering bone fragmentation.SOLUTION: A surgery system can be configured to acquire image data of a joint including at least a portion of humerus, segment the image data to determine a shape of a diaphysis of the humerus, determine a shape of the humerus before it becomes the estimated pathosis on the basis of the determined shape of the diaphysis, identify one or more bone chips in the image data on the basis of the estimated shape of the humerus, and generate an output on the basis of the bone chips identified in the image data.SELECTED DRAWING: Figure 35

The utility model provides a novel draw hook which comprises a draw hook body, the draw hook body comprises a long-arm draw hook, a short-arm draw hook and a shoulder connecting body, and the long-arm draw hook and the short-arm draw hook are connected in an L shape through the shoulder connecting body; the shoulder connecting body is provided with at least one group of kirschner wire positioning holes, and the extending direction of the kirschner wire positioning holes is parallel to the length direction of the short-arm drag hook. Or / and the extending direction of the kirschner wire positioning holes is parallel to the length direction of the short-arm drag hook, and the extending direction of all the kirschner wire positioning holes is located on the outer side of the body; through the double-end design of the retractor body, the long-arm retractor or the short-arm retractor can be selected according to the quantity of soft tissues; the Kirschner wire positioning hole is formed in the shoulder connecting body of the drag hook body, and during an orthopedic operation, after the drag hook is dragged to a preset position, a Kirschner wire is driven into the Kirschner wire positioning hole to fix the drag hook body on a bone substance, so that an operation assistant can be liberated, meanwhile, the number of operation instruments is reduced, and the operation is conveniently carried out.

The utility model belongs to the field of medical instruments suitable for orthopedic surgery, and particularly relates to a periosteum distraction device for a skull, which comprises a strip-shaped distraction plate bent in an arc shape, a sleeve and a distraction nail provided with external threads, one end of the distraction plate is provided with a combination hole penetrating through the upper surface and the lower surface, and the combination hole is composed of a groove and a threaded hole; a boss matched with the groove in an inserted mode is arranged on the end face of one end of the sleeve, and the sleeve is inserted into the groove in the convex face direction of the stretching plate. The distraction nail penetrates through the sleeve and then is in threaded connection with the distraction plate, the nail tail of the distraction nail extends to the outside of the sleeve, and the nail head of the distraction nail extends to the concave face side of the distraction plate and is configured to make contact with the bone surface. According to the distraction device, the distraction plate can be driven to rotate integrally by rotating the sleeve through the inserting and matching structure of the groove and the sleeve, flexible adjustment of the position of the distraction plate is achieved, periosteum can be stimulated in a targeted mode, and therefore regeneration of subperiosteal blood vessels can be promoted.

A multi-diameter fixation pin, such as a K-wire can be used during an orthopedic procedure. The multi-diameter fixation pin may include a leading diameter sized for the specific orthopedic procedure being undertaken and / or the size of the bone into which the fixation pin is being inserted. The multi-diameter fixation pin may include a trailing diameter different than the leading diameter. The trailing diameter may be sized for use with a specific sized powered driver. For example, in orthopedic procedures that involve inserting larger diameter pins and smaller diameter pins into bone(s), all pins used in the procedure may have a trailing diameter (e.g., the larger diameter or the smaller diameter) that allows the pins to be inserted with the same powered driver (e.g., the same attachment head) without needing different sized drivers or attachment heads for different sized pins.

1. The name of the design product: orthopedic drill. 2. The use of the design product: for orthopedic surgery. 3. The design features of the design product: in the shape of the product. 4. The picture or photo that best shows the design features: perspective view 1.

The present invention provides a bone graft composite material and a manufacturing method therefor. The bone graft composite material is applied to wound repair of a user in orthopedic surgery and dental surgery, and is used to promote wound healing of the user, induce growth of an autologous bone cell of the user, and induce fusion of a transplanted bone of the user with the autologous bone cell. The bone graft composite material comprises a high molecular polymer, bone powder, and exosomes. Compared with the prior art, the bone graft composite material provided by the present invention has better osteoinductivity and compatibility, and can stably release biological factors, thereby promoting the repair and regeneration of bone.

A surgical bone drill for drilling into bones. The surgical bone drill includes a housing, a drill bit that includes a bit proximal portion that is mounted within the housing, and a bit distal portion that extends distally from the housing and includes a cutting tip. The surgical bone drill includes a depth limiter that has a distal end positioned adjacent the bit distal portion. A location of the depth limiter is adjustable with respect to the housing to select an exposed length of the bit distal portion that is exposed beyond the depth limiter, thereby limiting a depth that the drill bit can drill into the bone. The surgical bone drill includes a drive mechanism disposed within the housing and operably connected with the bit proximal portion of the drill bit to rotate the drill bit to cause the drill to drill into the bone.

The application provides a screw angle measurement and guiding positioning method of a proximal femoral compression plate, which is applied to the technical field of orthopedic surgery assistance, and is characterized in that: a three-dimensional bone shape model of the proximal femur of a patient is constructed before surgery, different X-ray projection directions are simulated, the projection of a virtual guide needle on a two-dimensional image is generated, the included angle parameter between the femoral neck axis and the guide needle projection is measured, the screw incidence angle parameter is corrected, the guide device shell, the guide hole and the sensor layout are further designed based on the angle parameter, and the cooperation simulation is carried out on the three-dimensional bone shape model to evaluate the fitting degree of the guide device on the bone surface and the positioning accuracy of the guide hole, so as to provide accurate reference for preoperative screw placement path planning and intraoperative guide device use, realize the quantifiable design and guiding control of the screw incidence angle, and reduce the deviation of screw placement.

1. The name of the design product: orthopedic forceps. 2. The use of the design product: orthopedic forceps for orthopedic surgery. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

A method for generating a custom surgical kit for a surgical procedure and associated surgical kits are disclosed herein. The method includes a step of generating a nonconforming bone model of a patient bone. The method includes a step of generating a model of a custom surgical kit for a surgical procedure using the nonconforming bone model. The model of the custom surgical kit includes a set of three contact elements positioned to contact three points of contact on the nonconforming bone model. The set of three contact elements is each statically positioned relative to each other in the model of the custom surgical kit. The method includes a step of producing the custom surgical kit using the model of the custom surgical kit. Further, the method includes a step of positioning the custom surgical kit on the patient bone using the three points of contact.

A system and method may use a robotic arm to perform a range of motion test for use in generating information related to kinematic alignment in a total or partial knee arthroplasty. A method may include controlling a robotic arm to move a tibia throughout a range of motion for a knee. A series of measurements of gap distance for the knee may be used to determine a tibial resection location for the tibia. The method may include updating a plan (e.g., 3D, preoperative) for an orthopedic procedure on the knee with the tibial resection location.

The application relates to the technical field of medical devices, and discloses a bone surgery drill equipment capable of recycling bone fragments, which comprises a shell, a power machine is fixedly installed at the top of the shell, the power machine outputs a torque and drives a transmission shaft to rotate when the power machine operates, a transmission shaft is fixedly installed at one end of a power machine output shaft, a negative pressure pipe is fixedly installed at the bottom of the transmission shaft, helical fins are arranged on the outer surface of the negative pressure pipe, and negative pressure holes are arranged on the outer surface of the negative pressure pipe between the helical fins. During the movement of the power machine, the transmission shaft and the ring gear rotate synchronously and in opposite directions, and under the transmission action of the inner sleeve and the rotating rod, the first drill grinding ball and the second drill grinding ball are synchronously and reversely driven to rotate, so that the vibration of the torque difference and the deflection force can be offset, the friction force generated by the first drill grinding ball and the second drill grinding ball when contacting with the bone is parallel and opposite, and can also be offset, and the practicability of the device is improved.

The application relates to the technical field of rehabilitation auxiliary monitoring, in particular to a postoperative rehabilitation auxiliary monitoring system for orthopedic surgery based on artificial intelligence, which comprises the following steps: acquiring electrical signals of leg muscle groups driven by nerves of normal and abnormal legs under different training times; determining an initial abnormal performance degree according to the deviation of activation time and activation intensity of both sides; analyzing the compensation of different muscles to determine abnormal analysis indexes of each muscle; determining a functional performance change curve according to the time sequence distribution of the abnormal analysis indexes of each muscle under different training times; and performing rehabilitation auxiliary monitoring according to the functional change curves of all muscles. The application can monitor the electrical signal change of the muscle in real time, analyze the compensation characteristics, find the detail change, recovery trend and potential rehabilitation problem in the rehabilitation process in time, and obtain more accurate monitoring results.

Surgical devices for performing orthopedic surgeries are provided and are capable of generating and applying compression within or across a joint. The surgical devices may include a slider assembly that includes at least one slider configured to move within an outer body. A ring may be disposed about the slider for reducing contact between the slider and the outer body, thereby improving the wear characteristics of the surgical device.

An apparatus for orthopedic surgery includes at least one surgical accessory connected to an anatomical structure. The surgical accessory includes a first sensor and a second sensor connected to spatially separated portions of the anatomical structure. A controller is in communication with the first sensor and the second sensor. The controller is configured to detect a first sensor and a second position of the second sensor in a common coordinate system. The controller identifies a spatial relationship between the first position and the second position and detects a change in the spatial relationship. In response to the change in the relationship, the controller outputs an indication reporting a movement of a portion of the surgical accessory relative to the at least one anatomical structure.

The utility model relates to the technical field of medical instruments, in particular to an orthopaedic dilator and an orthopaedic surgery component, and adopts the technical scheme that the orthopaedic dilator comprises a fixing plate, screw sleeves, screw rods and a fixing block, a second bearing is embedded in the fixing block, the two screw rods are fixedly mounted on an inner ring of the second bearing, the two screw sleeves are in meshed connection with the two screw rods, and the two screw sleeves are fixedly connected with the fixing block. The two fixing plates are provided with first bearings in an embedded mode, inner rings of the two first bearings are fixedly connected with the outer sides of the two threaded sleeves, supports are installed at the bottoms of the two fixing plates, movable plates are installed at the bottoms of the two supports, and movable rods are installed on the two sides, above the two second bearings, of the fixing block; movable holes are formed in the two fixing plates, and the two movable rods penetrate through the two movable holes. The utility model has the advantage that medical staff can rotate to open body tissues or organs of a patient towards one side or towards two sides simultaneously according to actual conditions.

An example system includes a clamping tool including opposable surfaces configured to rest on and bear against a surface of a bone; and a registration marker of a mixed reality surgery system, the registration marker attached to the clamping tool.

The invention discloses porous bone cement and a preparation method thereof, and belongs to the technical field of biomedical materials. The porous bone cement is prepared from three components, namely bone cement powder, liquid A and liquid B, according to the invention, the magnesium powder and the water of the liquid B synchronously generate gas to form pores, so that an internally communicated porous structure (the pore diameter is 50-1000 microns) is formed, the elastic modulus (1398-1656 MPa) is reduced to avoid stress shielding, and the mechanical requirement that the compression strength is greater than or equal to 70 MPa is ensured; the liquid B can integrate the functions of antibiosis, osseointegration promotion and the like, and the developing agent is suitable for postoperative monitoring, has good biocompatibility and is suitable for bone defect repair and other orthopedic surgeries.

This utility model discloses an orthopedic operating table in the field of medical device technology, including a bed frame and anti-fall barriers. The bed frame includes a bed frame and a mattress disposed on the upper side of the bed frame. Two anti-fall barriers are respectively disposed on the left and right sides of the bed frame, with the lower end of the anti-fall barriers connected to the bed frame and the upper end of the anti-fall barriers higher than the mattress. This orthopedic operating table provides support for the mattress through the bed frame, allowing the patient to lie on the mattress during surgery. The anti-fall barriers form protection on both sides of the mattress; the portion of the anti-fall barriers above the mattress can limit and support the patient, and also provide leverage support for medical staff, facilitating changes in body position, preventing falls, and improving safety.

The utility model belongs to the medical instrument field suitable for orthopedics operation, concretely relates to a multipurpose periosteal distraction device, at least includes: the periosteal distraction board is the strip board that presents the arc shape bending in the length direction, one end of periosteal distraction board is provided with locking hole, the bone needle has the needle head of inserting on the skeleton in one end, is equipped with the limit snap ring in the other end, the distraction nail is equipped with the through cavity that penetrates the distraction nail along the length direction inside, the distraction nail is divided into the nail head and the threaded rod that is screwed with locking hole, the distraction nail is screwed with periosteal distraction board, the bone needle is inserted in the through cavity, the limit snap ring is located nail head side, the needle head protrudes distraction nail outside. The utility model's periosteal distraction device can solve the technical defects of the periosteal distraction board of prior art because of stripping incision bilateral periosteum and big trauma, poor applicability when skull periosteum is distracted and bone needle inserts too deep.

A method for planning an orthopedic procedure including positioning a virtual implant component relative to a 3D volume of scan data of a patient using multiple 2D views of the scan data generated from the 3D volume at different view angles is disclosed. Positional information is developed using the generated 2D views with 3D positional information for the virtual implant component relative the 3D volume of scan data provided based on positional information developed relative to the 2D views.

The utility model relates to a surgical instrument for electromagnetically positioning and navigating an orthopedic surgical robot, which comprises a needle body for detecting or fixing bone tissues and provided with a tip for being inserted into the bone tissues and a blunt end for clamping; the positioning sensor device is used for electromagnetic positioning navigation of the orthopedic surgical robot; and a base for mounting the positioning sensor device, the needle body and the positioning sensor device being respectively, directly or indirectly, fixedly connected to the base.

1. The name of the design product: medical swing saw blade. 2. The use of the design product: used for cutting and forming bone tissue in orthopedic surgery. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

A surgical assistance system may obtain a pre-revision model of a bone of a patient. The pre-revision model of the bone represents a pre-revision state of the bone after a prior orthopedic surgery on the bone. In this example, an orthopedic prosthesis was attached to the bone during the prior orthopedic surgery. Additionally, the surgical assistance system may obtain intra-revision imaging data of the bone. The intra-revision imaging data represents an intra-revision state of the bone during the orthopedic revision surgery after removal of the orthopedic prosthesis from the bone. The surgical assistance system may determine, based on the intra revision imaging data, damaged and intact parts of the bone. The surgical assistance system may then generate a second intra-revision model of the bone by modifying the pre-revision model of the bone to exclude damaged parts of the bone.

1. Name of the designed product: base (wrist joint of orthopedic surgery). 2. Use of the designed product: base for wrist joint traction frame. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

The present disclosure describes a bone screw for use in orthopedic procedures. The bone screw includes a shank portion having a helical thread and a head portion also having a helical thread. The shank also includes a first purchase zone having a first thread pitch configured for purchase in cancellous bone and a second purchase zone having a second thread pitch configured for purchase in cortical bone, the first purchase zone extending proximally from the distal end of the screw, and the second purchase zone extending proximally from an interface with the first purchase zone; wherein the first thread pitch and the second thread pitch are compression neutral.

The invention relates to the technical field of rehabilitation auxiliary monitoring, in particular to an orthopedic surgery postoperative rehabilitation auxiliary monitoring system based on artificial intelligence, which comprises the following steps: acquiring electrical signals driven by leg muscle group nerves of a normal side leg and an abnormal side leg under different times of training, and according to the deviation of activation moments and activation intensities on two sides, determining whether the normal side leg and the abnormal side leg are activated or not; an initial abnormal performance degree is determined, analysis is carried out in combination with compensation conditions of different muscles, an abnormal analysis index of each muscle is determined, and a functional performance change curve is determined according to time sequence distribution of the abnormal analysis indexes of each muscle in different times of training; and performing rehabilitation auxiliary monitoring according to the functional change curve of all muscles. According to the method, the electrical signal change of the muscle can be monitored in real time, analysis is carried out through compensation characteristics, detail change, recovery trend and potential rehabilitation problems in the rehabilitation process are found in time, and a more accurate monitoring result is obtained.

The present application provides an artificial-intelligence preoperative planning system for multiple orthopedic disease types, the system comprising: an import module, configured to import medical image data; a three-dimensional reconstruction module, configured to establish a corresponding three-dimensional image model on the basis of the medical image data; a bone segmentation module, configured to segment bones in the medical image data; and at least three of the following modules: a hip joint simulation module, a knee joint simulation module, a spinal joint simulation module, a sports medicine simulation module, and a trauma surgery simulation module. In the present disclosure, by providing multiple surgical simulation modules respectively corresponding to different types of orthopedic surgery, the coverage scope of the preoperative planning system is significantly increased.