20 results about "Joint surgery" patented technology

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 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 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 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 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.

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.

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.

The utility model relates to the technical field of bone joint operations, in particular to a positioning and guiding device for bone joint operations. Comprising a stop lever, a sliding rod perpendicular to the stop lever is slidably inserted into the stop lever, a hook claw is machined at the end, away from the stop lever, of the sliding rod, a clamping rod is elastically slidably connected to the stop lever on one side of the sliding rod, the clamping rod is parallel to the sliding rod, an oblong hole is formed in the stop lever between the clamping rod and the sliding rod, and the length direction of the oblong hole is parallel to the length direction of the stop lever. An annular groove corresponding to the oblong hole is formed in the side, facing the hook claw, of the stop lever, the annular groove is in an oblong shape, two baffle rings are installed in the annular groove, a guide pipe is concentrically fixed to the baffle rings and penetrates through the oblong hole, a thread sleeve is connected to the outer side of the guide pipe in a threaded mode, and the thread sleeve tightly abuts against the stop lever. According to the device, the clamping rods are arranged, the clamping rods and the sliding rods can clamp the calcaneal tuberosity, and the stop rods can be effectively stabilized.