12 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.

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.

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 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.

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.