86 results about "Orthopedic Procedures" patented technology

Systems and methods for joint replacement are provided. The systems and methods include a surgical orientation device, a reference sensor device, and at least one orthopedic fixture. The surgical orientation device, reference sensor device, and orthopedic fixtures can be used to locate the orientation of an axis in the body, to adjust an orientation of a cutting plane or planes along a bony surface, or otherwise to assist in an orthopedic procedure(s).

Systems and methods for joint replacement are provided. The systems and methods include a surgical orientation device and at least one orthopedic fixture. The surgical orientation device and orthopedic fixtures can be used to locate the orientation of an axis in the body, to adjust an orientation of a cutting plane or planes along a bony surface, to distract a joint, or to otherwise assist in an orthopedic procedure or procedures.

The invention provides a preoperative planning method, device and equipment for ankle joint replacement and a computer readable storage medium. The preoperative planning method for ankle joint replacement is applied to an orthopedic surgery robot system, and the preoperative planning method for ankle joint replacement comprises the following steps: acquiring an ankle joint CT image of a patient; carrying out segmentation and three-dimensional reconstruction on the CT image of the ankle joint to obtain an ankle joint three-dimensional model; on the basis of the three-dimensional model of the ankle joint, key parameters of the ankle joint are determined, and an ankle joint prosthesis model is determined on the basis of the key parameters of the ankle joint; determining a preoperative planning method for ankle joint replacement based on the ankle joint key parameters and the ankle joint prosthesis model; wherein the preoperative planning scheme comprises a placement position and a placement angle of the ankle joint prosthesis model.

A device for use in orthopedic procedures involving the alignment and fixation of bone. The device includes a body having a bone facing surface, an opposing surface, a lateral surface being disposed between the bone facing surface and the opposing surface and a longitudinal axis extending through the bone facing surface and the opposing surface. The body defines a pin hole extending through the body from the bone facing surface to the opposing surface, a bone fastener hole extending through the body from the bone facing surface to the opposing surface, a tool hole extending at least partially through the body and an alignment index for positioning the body relative to bone.

An apparatus and method for inserting a femoral broach or femoral stem or acetabular cup into a bone. The apparatus includes at least one closed loop insertion mechanism to provide impacts on the associated handles of the broach, stem, or the acetabular cup; at least one sensor to sense a series of impacts, including impact angle, and to provide real-time feedback of the alignment and / or condition of the bone; and a processor operably connected to the at least one sensor. The processor includes an algorithm that receives the real-time feedback to control the force, frequency, and alignment of the impacts by the at least one closed loop insertion mechanism.

To provide a tracker apparatus that causes little invasion to a patient, has excellent safety, can be firmly fixed to a pelvis of the patient, can be easily removed after a surgical operation, and causes little invasion remaining in skin or bone after removal.SOLUTION: A tracker apparatus constituting a navigation system used when performing an orthopedic surgical operation comprises: a tracker unit (110) having optical markers (111) to (114); and a fixing member (120) for fixing the tracker unit (110) to a pelvis of a patient, wherein the fixing member (120) includes a helical coil having a pointed end portion (121).SELECTED DRAWING: Figure 1A

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 invention discloses a kirschner wire sleeve device for muscle layer expansion, which relates to the technical field of orthopedic surgery and comprises a kirschner wire, an expansion sleeve, a protective layer and a traction rod. The expansion sleeve is composed of a support and an expansion layer, a guide ring is arranged in the middle of the support, symmetrical connecting frames are arranged on the outer side of the guide ring, the expansion layer is sleeved outside the guide ring, and one end close to a skeleton is of an involute pipeline structure. After the Kirschner wire fixes the bone, the guide ring slides towards the bone along the Kirschner wire, the involute pipeline structure of the expansion layer enters the space between the Kirschner wire and the muscle layer, and the muscle layer is pushed away outwards to form an operation space. The protective layer can reduce direct friction between the muscle layer and the expansion layer, and the lubricant arranged in the protective layer can assist operation; the traction rod can stably control the expansion layer to be opened. The device is made of a biocompatible material and is provided with a buffer structure, the operation space can be flexibly adjusted, the operation safety, adaptability and efficiency are effectively improved, and the use pain point of a traditional kirschner wire sleeve device is solved.

A navigation system is used to provide the real-time position of a patient's anatomy during the procedure. An innovative suture anchor is used to temporarily affix a navigation marker to a patient's anatomy for an orthopedic procedure. The suture anchor includes a first suture having a hollow passageway connecting a knot end and a leash end, a second suture having a hollow passageway connecting a knot end and a leash end, and a third suture having two leash ends and passing through the hollow passageways of the first and second sutures and interconnecting the knot ends thereof. When the two leash ends of the third suture is pulled it causes the knot ends of the first and second sutures to interlock and expand into an enlarged knot, and the enlarge knot is adapted to engage a small diameter superficial hole in a patient's bone.

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.

The unibody orthopedic instrument includes an elongated handle, a latching interface outwardly extending relative to the elongated handle and selectively couplable to an orthopedic component, and a hand accessible spring-biased lever arm operable with a hinge coupled to the elongated handle about a pivot. The hinge normally positions the latching interface in a first latched position for locking engagement with the orthopedic component and is otherwise operable by the spring-biased lever arm about the pivot to reposition the latching interface from the normally latched position to an unlatched position for disengagement from the orthopedic component.

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.

To provide an instrument for bone surgery that enables prepared hole formation work by a drill or the like while maintaining a state of constantly compressing and sandwiching a bone with a sufficient force, enables fixation of a tibial tuberosity part by using both a washer and a screw without releasing the compressing and sandwiching the bone, and thereby, enables accurate and rapid bone surgery.SOLUTION: A slide bar 1 includes a reception part 5 that can abut on one side surface of a bone W. A mobile device 2 movable along a longitudinal direction of the slide bar 1 is provided. The mobile device 2 includes: a holder part 7 through which a rod-shaped member 19 passes; and a compression part 8 that abuts on the other side surface of the bone W.SELECTED DRAWING: Figure 1

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.

The present application belongs to the field of orthopedic surgical instruments, and particularly relates to a side-rear linkage spinal minimally invasive puncture guiding system. The guiding system has a fixed end and a guiding end, and an arc-shaped guide rail structure is used to connect the fixed end and the guiding end. A sliding arm at the fixed end is perpendicular to a tangent of the arc-shaped guide rail, and a guiding sleeve is arranged at the guiding end and is also perpendicular to the tangent of the arc-shaped guide rail. In this way, during the sliding of the arc-shaped guide rail, the directions of the fixed end and the guiding end will continuously point to the center of the circle. Therefore, when a puncture direction is known, the fixed end is connected to the known puncture direction, and the guiding end can maintain real-time guiding to the target center of the circle. The use of the guiding system for assisting surgery can reduce the puncture difficulty and frequency.

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.

The utility model provides a novel screw for fracture fixation, and relates to the field of medical instruments, the novel screw comprises a screw main body and a screw nested in the main body, and the tail part of the screw is provided with a folding blocking unit so as to improve the overall stability of the screw. A first thread part is arranged in the middle of the screw, and second thread parts extend out of the two ends of the screw and used for being connected with the supporting ring, the anti-disengaging backing ring and the nut to form a stable double-thread structure. The structure can be gradually screwed in the fracture fixing process, so that the device can adapt to different bone parts, and postoperative displacement is prevented through the anti-falling part. The folding blocking unit is composed of an installation ring, an annular piece and a plurality of sets of folding plates which can be movably connected, the small fracture blocks can be pressed tightly in the installation process, and the small fracture blocks are prevented from slipping in the healing process. The device is simple in structure, convenient to disassemble and assemble, high in applicability, capable of remarkably improving the fixing effect of a fracture part, especially suitable for fixing small free fracture blocks in orthopedic surgery and capable of promoting healing.

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.