36 results about "Joint surgery" patented technology

The present application belongs to the field of medical surgical instruments, and provides an elbow joint surgical instrument, which includes a head, fixed wings, and a fixed cage. The head is used to cover the surface of the distal end of the humerus; the fixed wings are connected to the side of the head and are used to connect to the humerus; the fixed cage is connected to the head and forms a bone crushing groove with the head for accommodating the filling bone, and the fixed cage also has a limiting structure for cooperating with the bone tissue of the distal end of the humerus. The elbow joint surgical instrument provided by the present application can greatly reduce the amount of osteotomy, which is conducive to later revision surgery. The filling bone placed in the bone crushing groove is conducive to promoting the patient's postoperative recovery and postoperative weight-bearing. The limiting structure cooperates with the bone tissue in the corresponding area of ​​the distal end of the humerus, which is conducive to strengthening the stability of the elbow joint surgical instrument fixed on the distal end of the humerus.

The present invention relates to the field of image processing technology, and in particular to a method for constructing an AI simulation teaching model for temporomandibular joint surgery, comprising: obtaining key grayscale images of several frames of temporomandibular joint surgery videos according to the difference in pixel grayscale values ​​of grayscale images of temporomandibular joint surgery videos of adjacent frames; dividing the key grayscale image of each frame of temporomandibular joint surgery video into several local areas; dividing all local areas into several marked image blocks and unmarked image blocks; obtaining the visual quality of each marked image block in the key grayscale image of each frame of temporomandibular joint surgery video according to the difference in pixel grayscale values ​​of the marked image blocks and the unmarked image blocks in the key grayscale image of each frame of temporomandibular joint surgery video; performing resolution enhancement on the key grayscale image of the temporomandibular joint surgery video, and constructing an AI simulation teaching model for temporomandibular joint surgery. The present invention improves the accuracy of the AI ​​teaching model for temporomandibular joint surgery.

The invention discloses a non-slip mat for hip joint surgery, and belongs to the technical field of medical products. The invention relates to an anti-slip mat which comprises a skin-friendly layer and an anti-slip layer, a flowing layer is arranged between the skin-friendly layer and the anti-slip layer and comprises a closed bag filled with flowing particles, a through hole is formed in the skin-friendly layer, an elastic assembly is arranged in the through hole and comprises a protrusion and a spring, one end of the spring is connected with the protrusion, and the other end of the spring is connected with the top face of the flowing layer. And the elastic component can move up and down to enable the bulge to be higher or lower than the top surface of the skin-friendly layer. By increasing the displacement resistance between the patient and the non-slip mat and between the non-slip mat and the operating bed, the displacement of the patient caused by traction force in the hip joint operation process and the injury of a fixing method to the patient are reduced.

The ultrasonic osteotome for the joint surgery is characterized in that the ultrasonic osteotome comprises a piezoelectric transducer (1), an amplitude-change pole (2) and a tool bit (3), the amplitude-change pole (2) is arranged at the front end of the piezoelectric transducer (1), and the tool bit (3) is arranged at the front end of the amplitude-change pole (2); the tool bit (3) comprises a large-end cylinder (31), a transition R angle (32), a small-end cylinder (33) and a cutting part (34); the width of the cutting part (34) is 4-5 mm, the thickness of the cutting part (34) is 2-3 mm, an oval receding groove (341) is formed in the middle of the cutting part, sawteeth (342) are arranged on the two side walls in the axis direction, and the number of the sawteeth on one side is 20-25. The utility model has the advantages of simple design, low processing cost, large amplitude, high safety and the like, and is very suitable for ultrasonic osteotome for joint surgery.

The utility model discloses a supporting and limiting device for joint surgery, which is characterized in that a bottom plate is fixed on an operating bed to enlarge the contact area and maintain the overall stability, a locking device connecting rod is used for connecting and fixing the position opposite to the operating bed, a leg support is used for placing the shank of a patient, and the leg support and the operating bed are integrally fixed together through an operating belt. The locking mechanism can lock left-right translation and universal angle locking of the leg support, the lower pressing cover is rotationally locked, the rotary pressing ring is driven to move downwards, the leg support connecting base is clamped and fixed, meanwhile, the locking limiting block moves downwards and makes contact with the bottom plate to be locked, and the locking limiting block is used for locking the sliding base and the bottom plate.

The utility model discloses thoracic cavity double-joint operating forceps which comprise a forceps rod, a push rod connected with the lower portion of the forceps rod in a sliding mode, a movable forceps head switching block connected with the end of the forceps rod in a rotating mode, a rotating type forceps head rod arranged on the movable forceps head switching block, and the lower portion of the movable forceps head switching block is connected with the push rod in a rotating mode. The end part of the push rod is also provided with a fixed tong head rod matched with the rotary tong head rod; the other end of the forceps rod is provided with a forceps rod connecting handle and a first handle, the other end of the push rod is provided with a movable handle, the end of the movable handle is provided with an adapter, the upper end and the lower end of the adapter are rotationally connected with the forceps rod and the push rod respectively, and the other end of the movable handle is provided with a second handle. And snake-head-shaped chucks are inserted into the end parts of the rotary forceps head rod and the fixed forceps head rod. The utility model has the characteristics that the plier head can be independently replaced and the replacement operation is convenient.

The invention discloses a joint surgical operation data fusion processing method and system based on a multi-modal image, and relates to the technical field of image processing. The method comprises the following steps: performing motion state evaluation based on joint trajectory data of each posture point image in a multi-modal image, and dynamically acquiring a reference joint image of the multi-modal image based on a motion state evaluation result; performing image accuracy evaluation based on joint position data in each reference joint image, and dynamically correcting the joint data based on an image accuracy evaluation result; and forming a joint three-dimensional model based on the corrected joint data, performing dynamic region division based on joint evaluation parameters in the joint three-dimensional model, and dynamically adjusting the model geometric accuracy of the joint three-dimensional model based on a region division result and a joint category. Accurate quantitative analysis of the joint movement function, individualized high-precision three-dimensional model reconstruction and systematic improvement of clinical diagnosis efficiency are achieved.

The invention discloses a bone joint movement assembly and a surgical instrument, and relates to the technical field of bone joint surgical instruments. Comprising a U-shaped seat, an electric telescopic rod, a supporting plate and a rotating rod, the other end of the rotating rod is fixedly connected with the bottom of a supporting plate, a first two-way threaded rod is movably arranged in the supporting plate, a first nut seat is movably arranged outside the first two-way threaded rod, and a connecting block is fixedly arranged at the top of the first nut seat; a clamping plate is fixedly arranged at the top of the connecting block, the clamping plate is movably connected with the rubber cushion, a mounting groove is formed in the clamping plate, a second two-way threaded rod is movably arranged in the mounting groove, and a second nut seat is movably arranged outside the second two-way threaded rod; and a clamping plate is fixedly arranged on one side of the second nut seat, the clamping plate is clamped in a clamping groove of a connecting plate, and the connecting plate is fixedly connected with a rubber cushion.

The present disclosure provides biomaterials and methods for preventing and minimizing progression of cartilage and / or connective tissue damage. Also provided herein are biomaterials and methods for alleviating and / or reducing the risk for developing arthritis (e.g., osteoarthritis) associated with joint injury and / or joint surgery.

The shoulder joint operation positioning device comprises a supporting frame, a supporting structure, a fixing assembly and a traction structure, the supporting frame comprises a vertical rod, a rotating disc rotationally installed at the upper end of the vertical rod and a transverse rod hinged to the outer surface of the rotating disc, and the transverse rod is composed of a telescopic frame and a telescopic rod connected to the inner wall of the telescopic frame in a sliding mode; the supporting structure comprises a sliding base arranged on the surface of the vertical rod in a sleeving mode, a rotating disc rotationally installed at the top end of the sliding base and a supporting rod hinged to the lower surface of the telescopic frame. According to the shoulder joint operation positioning device, by arranging the supporting frame and the supporting structure, after one end of the supporting rod and the rotating disc are assembled into a whole through the assembling assembly, the supporting rod can be used for supporting the transverse rod, and therefore the device can be unfolded; and after being separated from the support of the support rod, the cross rod can rotate to be folded for storage, so that the storage of the device is facilitated, and the occupied space is saved.

The present disclosure provides biomaterials and methods for preventing and minimizing the progression of cartilage and / or connective tissue damage. Also provided herein are biomaterials and methods for mitigating and / or reducing the risk of developing arthritis (e.g., osteoarthritis) associated with joint injury and / or joint surgery.

The utility model relates to the field of surgical robots, and discloses a multi-joint surgical instrument forceps head structure which comprises a wrist joint, a plurality of deflection joints and a plurality of forceps heads. The pushing rod penetrates through the wrist joint, and one end of the pushing rod is in threaded transmission connection with the wrist joint; the forcep head comprises a first forcep clamp and a second forcep clamp which are hinged through a hinge shaft; one end of the pushing rod penetrates through the wrist joint to be movably connected with the first forceps holder and the second forceps holder, and the first forceps holder and the second forceps holder are driven to do opening and closing movement. Through threaded transmission of the pushing rod, the structure is stable and reliable, the tong head control precision is high, the clamping force of the tong head structure can be effectively improved, and the service life of the tong head structure can be effectively prolonged.

The present invention discloses an artificial intelligence joint planing device based on image processing. According to the construction of key-value pairs and the matching of user physiological information, the features of the constructed planing path on each path are saved. The path conditions during the process and the changes in the user's physiological information are found through a time convolutional network. According to the Bayesian network, the connection mode of the network is designed under the correlation relationship between the path, the three-dimensional image of the path including the internal structure of the joint and the user's physiological information, so that the detection features can be obtained more accurately, and the path is reconstructed according to the detection features and time features according to the position to be planed. The path of the entire process from the approach to the planing of the joint part is obtained. The technical effect of improving the planing precision and the accuracy of the planing during the joint surgery is achieved.

The utility model provides a conical grinding drill, which relates to the technical field of medical instruments and comprises a grinding drill bit, a connecting rod and a joint operation power device. The grinding drill bit is conical or truncated cone-shaped, and the small-diameter end of the end face of the grinding drill bit is connected with one end of the connecting rod and used for grinding cartilage tissue and bone tissue of the abraded joint through the large-diameter end of the end face of the grinding part; the other end of the connecting rod is connected with a joint operation power device which is used for driving the connecting rod to rotate, and then the grinding drill bit is driven to rotate through the connecting rod. According to the conical grinding drill, the conical or circular-truncated-cone-shaped grinding drill bit is arranged at one end of the connecting rod, cartilage tissue and bone tissue of a worn joint are ground through the end, with the large diameter, of the end face of the grinding drill bit, and the section diameter of the grinding drill bit at an operative incision is small; and the rotating space required to be reserved for the grinding drill bit is small, so that the grinding drill bit can grind in a smaller surgical incision.

Provided is a surgical robot system including at least one driving element and a processor configured to control the driving element. The driving element includes: a first member; a second member configured to change a relative position of the second member with respect to a first member; and at least one joint member configured to provide a rotational coupling between the first member and the second member, wherein the at least one joint member is an elastic joint member configured to allow twisting between the first member and the second member, which are targets of rotational coupling due to an external force.

The utility model relates to the technical field of medical instruments, in particular to a joint support on an operating table, which comprises a base, a boss and an adjusting component, and the adjusting component comprises a screw rod, a sleeve, a connecting frame, a turntable, a circular ring, a locking piece and a transverse adjusting unit; a rotating disc is held to drive a screw rod to rotate, a sleeve is pushed to axially move on the screw rod, then a transverse adjusting unit is driven to move, after the transverse adjusting unit moves to a proper position, medical staff can rotate a locking piece rightwards, the locking piece penetrates through a circular ring to be clamped on the screw rod, a locking rod stops rotating, and the position of the sleeve is fixed accordingly. The position of the transverse adjusting unit on the connecting frame is fixed, so that a medical worker can conveniently place the joint position of a patient on the transverse adjusting unit, and the problem that the position of an internal thread sleeve cannot be locked after the internal thread sleeve is rotated to drive a lower lead screw and an upper lead screw to be far away from or close to each other in an existing support for hip joint surgery is solved.

The embodiment of the invention provides a total ankle joint surgery precise double-needle positioning method and system based on optical guidance, and belongs to the technical field of medical instruments.The method comprises the steps that after ankle joint surgery space registration is completed, a surgery planning system determines double-needle implantation parameters and the position of a needle guiding device based on the ankle joint surgery space registration; dragging the mechanical arm to be near the position, capturing information of the needle guide device by the optical tracker, calculating the accurate position of the needle guide device by the system according to the information and instructing the mechanical arm to adjust; after the needle guide device is in place, double needles are implanted along the Y axis, and then the osteotomy plate is positioned and mounted based on the double needles to complete osteotomy. According to the method, optical guidance and mechanical arm accuracy are fused, and the operation accuracy is improved.

Provided is a surgical robot system including at least one driving element and a processor configured to control the driving element. The driving element includes: a first member; a second member configured to change a relative position of the second member with respect to a first member; and at least one joint member configured to provide a rotational coupling between the first member and the second member, wherein the at least one joint member is an elastic joint member configured to allow twisting between the first member and the second member, which are targets of rotational coupling due to an external force.

The invention relates to a quick-change type tool for hip replacement surgery. The quick-change type tool comprises a handheld part, an extension part, a transmission part, a connecting mechanism, an acetabulum file and an acetabulum test mold, the transmission part comprises a pivot, a connecting transmission rod and a plurality of bending transmission rods which are connected in sequence; a connector is arranged at the free end of the connecting transmission rod, and a bearing head is arranged on the periphery of the connecting transmission rod; the connecting mechanism comprises a first connecting hole; the acetabulum file is connected with the connecting mechanism; and a second connecting hole is formed in the acetabulum test mold. The pivot and the connecting transmission rod are rotatably mounted at the two ends of the extension part, and the middle of the extension part is connected through the bending transmission rods, so that bending transmission is realized, and the extension part can be used for lateral approach total hip joint surgery; the connecting head connected with the end of the transmission rod can be provided with a connecting mechanism and is quickly connected with the acetabulum file, the acetabulum file can be quickly rotated by using an electric tool, and the grinding operation of the acetabular fossa is realized; meanwhile, the connector connected with the end of the transmission rod can also be connected with an acetabulum test mold, and convenience and rapidness are achieved.

The utility model provides a hip joint postoperative turning-over pillow which comprises a pillow body, an extending seat and a fixing belt. A first attaching groove and a second attaching groove are formed in the two opposite side faces in the width direction of the pillow body respectively and used for being attached to the healthy side limb and the affected side limb of a patient respectively, a knee bending groove is further formed in the side face, close to the second attaching groove, of the pillow body, and the extension base is connected to one end face, in the length direction, of the pillow body. A third attaching groove is formed in the extending base, one end of the fixing belt is fixed to the pillow body, and the fixing belt is provided with a hook-and-loop fastener. The affected limb and the healthy limb are attached to the first attaching groove and the second attaching groove respectively, the foot of the affected limb is placed in the third attaching groove, the foot of the affected limb is prevented from being suspended, and the affected limb is fixed by adhering the hook-and-loop fastener to the upper face of the pillow body. The turning-over pillow can avoid hip joint pain caused by traction in the turning-over process of a patient, and the affected limb of the patient can keep the functional position in the turning-over process.

The utility model discloses a bone joint surgical dilator, which relates to the technical field of surgical instruments, and comprises two parallel slide rails, the bottom of the two slide rails is provided with a lifting assembly, the lifting assembly is lifted at the bone joint of the patient's limb, the top of the slide rail is provided with a T-slot, a group of sliders are slidably arranged in the T-slot, a first stud is fixed on the top of the slider, the first stud is slidably matched with the T-slot, and a locking block is threadedly connected on the first stud. After the support rod is inserted into the surgical incision, the position of the slider can be moved in the slide rail, so that the direction and position of the support rod are changed accordingly, and the incision is stretched as needed, the locking block can be rotated to lock the position of the slider and the slide rail, and the first knob is rotated to pull the second stud to lock the fixed rod and the sleeve, so that the support rod can maintain a stable state after stretching the incision, without obstructing the doctor's field of vision and operation, and the medical staff does not need to hold it, thereby reducing their energy and physical consumption.

A surgical instrument for complementing a robotic artificial joint surgery is disclosed. The surgical instrument for complementing robotic artificial joint surgery according to the present invention comprises: a chamfer cutting guide which is disposed on the cut surface of the distal femur cut by using a robot and guides a position and a movement direction of a saw blade in a process of manually cutting the front femur, a front chamfer, and a rear chamfer by an operator; and an auxiliary frame coupled to the chamfer cutting guide to align the position of the chamfer cutting guide with reference to the cut surface of the rear femur cut by using the robot.

The invention discloses a bone joint operation clinical cold compress device, and relates to the technical field of clinical cold compress, the bone joint operation clinical cold compress device comprises an adjusting mechanism, the tail end of the adjusting mechanism is fixedly connected with a refrigeration mechanism, the bottom of the refrigeration mechanism is hinged to the interior of a base mechanism, and the front side of the adjusting mechanism is fixedly connected to the back of the base mechanism; a fixing mechanism is hinged to the right side of the base mechanism. A bevel gear I is driven by a driving motor to rotate, so that a bevel gear II is driven to rotate, the height of the right side of a refrigerating mechanism is adjusted, a user can conveniently put in and take out a part needing cold compress, in the cold compress process, the cold compress part is fixed, the cold compress part is prevented from moving, and then the cold compress effect is improved; and air is blown to the surface of the condensation pipe, the cooling speed of the condensation pipe is increased, the cold compress requirement is met, and then through cooperation of the electric rotating rod and the condensation pipe and temperature adjustment of the device, the cold compress requirements of different conditions are met.

The application provides a multi-degree-of-freedom bending joint, a surgical instrument and a control method, and belongs to the technical field of medical instruments, comprising a first joint part, a second joint part, a third joint part and two symmetrically arranged first driving parts and second driving parts, the multi-degree-of-freedom bending joint is provided with mutually cooperative inclined surface structures at the connecting ends of the adjacent two joint parts, the inclined surface structures of the adjacent two joint parts can be fitted in the curved state, and a large range of bending can be realized under the condition of only adopting two joint part structure designs. In addition, the first rotation axis and the second rotation axis of the multi-degree-of-freedom bending joint are vertically arranged, the bending range of the bending joint can break through the bending range in the traditional single plane under the driving of the first driving part and the second driving part, the bending on two different planes can be realized at the same time, the bending degree of freedom of the bending joint is improved, and efficient operation in surgery is facilitated.

The present invention provides a positioning error measurement device and method, comprising: a base and a measuring plate plugged into the base; wherein the base is gun-shaped and has a plurality of position holes corresponding to the bone positions and a plurality of connection holes for plugging into the measuring plate, and the plurality of connection holes are arranged at intervals and form an arc. The advantages are: the length error of the hip joint surgery navigation system is calculated by comparing the distance of the marker modules installed on the base collected multiple times; the angle error of the hip joint surgery navigation system is calculated by comparing the actual abduction angle installed on the base collected multiple times with the measured abduction angle.

The invention relates to the technical field of iron piece processing, in particular to an artificial acetabulum angle measuring instrument in hip joint operation, which comprises an operating table, a measuring part and a placing frame, the placing frame comprises a longitudinal frame and a transverse frame, the inner side of the measuring part is provided with a sliding groove, the longitudinal frame is fixedly provided with a fixing block, one end of the fixing block is provided with a sliding block, and the transverse frame slides in the sliding process. The fixing blocks are arranged in the sliding grooves in a sliding mode through the sliding blocks. The operating table is used for a patient to lie on the back, the knee sheath is adjusted through the first telescopic rod to fix the knee of the patient, meanwhile, the ankle fixing block is adjusted through the second telescopic rod to fix the shank of the patient, and at the moment, the shank of the patient can be bent to be perpendicular to the operating table and swing left and right to the maximum angle; therefore, the rotation angle of the acetabulum can be observed through the first measuring disc, and meanwhile, the acetabulum angle can be compared with the second measuring disc, so that more accurate acetabulum angle data can be obtained.

1. The name of the design product: hip joint replacement guide. 2. The use of the design product: used for accurate positioning and drilling in hip joint surgery. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The present invention discloses a joint image segmentation method based on a watershed algorithm, comprising the following steps: S1, obtaining an image of the patient's affected area, segmenting the image to obtain a bone region image, and binarizing the image; S2, performing connected domain extraction on the binarized bone region image to obtain an image of the region to be segmented, calculating the geodesic distance between each point in the image of the region to be segmented and its nearest boundary, setting a distance threshold to filter and obtain multiple seed point sets, and selecting seed point sets that meet set conditions from the multiple seed point sets; S3, using the watershed algorithm to segment the image of the region to be segmented based on the seed point sets selected in S2, to obtain a segmentation result image. The present invention can quickly and accurately segment the joint bone and the intermediate cartilage part through the watershed algorithm, and provides optimized correction to ensure more accurate segmentation of the joint image, providing support for subsequent joint surgery, etc.

1. The name of the product of this design: Intelligent Acetabular File. 2. Purpose of the product of this design: used in joint surgery, specifically hip replacement surgery. 3. The design key point of this appearance design product lies in the three-dimensional image. 4. The picture or photo that best illustrates the design points: Stereoscopic diagram 1.

This disclosure relates to surgical instruments for alignment of bone cuts during surgeries on joints and in particular, during total replacement of joints. The surgical instrument comprises a contact surface shaped to fit a prepared end of the first bone of the joint and an artificial articular surface that imitates the native articular surface of the first bone that has been removed by the preparation of the first bone. The artificial articular surface is pivotable in relation to the surgical instrument. The instrument can be fitted onto the prepared bone and coronal balancing can be performed. After fixing a further instrument to the second bone the joint can be balanced in flexion. At the optimal flexion angle, the slope and the cutting depth can be adjusted to achieve alignment. The further instrument is then used as a guide for cutting the second bone at the resulting cutting depth, slope and varus / valgus angle.