147 results about "Fracture reduction" patented technology

A fracture reduction mechanism for minimally invasive pelvic fracture surgery, comprising a support assembly, a drive assembly, a self-rotating clamping assembly, and a healthy side fixation assembly, wherein the drive assembly comprises a synchronous rotation module (21), a first ball screw module (22), a second ball screw module (23), a third ball screw module (24), and an arc guide rail module (33); the mechanism forms a frame-like closed structure through connection with an operating table (1) via bedside rails (2) on both sides of the operating table (1), the support assembly and healthy side fixation assembly are slidably connected with the bedside rails (2). By manually adjusting the linear movement distances and fixed-axis rotation angles of the above mechanism, six degrees of freedom translation and rotation of the pelvic fracture block can be achieved. The mechanism features high rigidity and load-bearing capacity, good portability, simple assembly and operation, high motion precision, and its motion center is a virtual point in space, the position of which can be adjusted according to patient position and fracture type, providing convenience for surgery.

The utility model discloses an orthopedic nursing traction support, which relates to the technical field of medical instruments, and comprises a bracket, an adjusting pad is arranged on one side of the bracket in a sliding and penetrating manner, the other side of the bracket is fixedly connected with a stand column, the bottom of the bracket is fixedly connected with an assembly block, and the lower end of the assembly block is provided with a first hydraulic oil cylinder. By means of the assembling block and the connecting shaft, the angle of the extension rods on the two sides is adjusted, the fixing device is suitable for patients of different body types, after the feet of the patients are fixed to the fixing base, the stability of the position of the fracture broken end can be maintained, shortening and displacement of the fracture broken end are overcome, fracture reduction is more accurate, and during follow-up rehabilitation training, the rehabilitation training efficiency is improved. The position of the sliding seat on the extension rod can be adjusted, the knee joint is driven to be bent in cooperation with rotation of the extension rod, and the provided traction force assists in functional exercise of limbs, promotes blood circulation, prevents amyotrophy and joint stiffness and accelerates recovery of limb functions.

The invention provides an asymmetric six-degree-of-freedom parallel fracture reduction surgical robot and a control method thereof, and relates to the technical field of medical instruments.The robot comprises a clamping assembly and a parallel posture adjusting mechanism, and the parallel posture adjusting mechanism comprises a movable platform, a fixed platform and a plurality of PUS motion branch chains connecting the movable platform and the fixed platform; each PUS motion branch chain comprises a driving module, a connecting rod and a joint seat, the moving end of the driving module is slidably connected with the fixed platform through a first moving pair, the fixed end of the driving module is connected with the first end of the connecting rod through a universal pair, and the second end of the connecting rod is connected with the joint seat through a ball pair; movement and rotation of the positioning needle in the X, Y and Z directions are achieved through the parallel posture adjusting mechanism, and therefore the angle and the position of the positioning needle are adjusted. The movement precision of the positioning needle is effectively improved, the weight and the size of the robot are effectively reduced while the large working space is considered, and the flexibility, the rigidity and the movement precision are improved.

The invention relates to the field of orthopedic treatment instruments, in particular to a multi-dimensional angle adjustable three-dimensional fracture reduction traction device which comprises a leg supporting mechanism, a traction mechanism and a traction mechanism. The traction mechanism is used for traction of the calcaneus of the patient; the bracket mechanism is used for mounting the leg support mechanism and the traction mechanism; the support mechanism comprises two sets of telescopic support assemblies used for being installed on a sickbed, and further comprises a first transverse rod and a second transverse rod which are arranged between the two sets of telescopic support assemblies, and locking assemblies arranged on the telescopic support assemblies. The locking assembly comprises a locking piece arranged on the telescopic support assembly and an anti-falling fine adjustment piece arranged on the locking piece. The multi-dimensional angle fracture traction device solves the problems that when the height of an existing multi-dimensional angle fracture traction device is adjusted, adjustment is tedious, patient adaptability is poor, and due to the fact that the adjustment stability is insufficient, accidental movement or falling is likely to happen.

The present application discloses a robot-assisted fracture reduction path planning method and system, which are applied to the field of fracture reduction technology. The method includes: acquiring CT data of a patient; segmenting, reconstructing and planning target positions of the CT data to obtain initial position data and target position data corresponding to the broken bone; calculating the position difference and posture difference between the initial position data and the target position data; using the initial position data and the target position data to form a six-dimensional vector as a sampling point, performing fracture reduction path planning to generate a final path; and optimizing the final path through a path post-processing algorithm.

The invention discloses a simulated training device for bending and setting a human forearm bone, and relates to the technical field of limb rehabilitation training, the simulated training device comprises a forearm extension plate and a big arm extension plate which are respectively extended and fixed at the end parts of a forearm sheath and a big arm sheath, and the simulated training device realizes passive bending and stretching between a big arm and a small arm through force generated by other positions of a patient; according to the analysis from the neural reaction level, the time of triggering a pain protection mechanism at a wound of a patient is prolonged by utilizing passive power generation of an organism (because the thinking of the patient stays at the wound all the time when the patient autonomously generates power, the brain is in a reaction waiting state, and the patient can immediately make a response once feeling pain occurs; and the brain of the patient is not in a waiting state during passive power generation, and the patient cannot quickly respond even if the patient feels painful, so that the protection reaction time is delayed to a certain extent, and even if the final body still makes a deliberate terminating action, the large and small arms are bent and stretched in a prolonged time).

This invention discloses a long bone fracture robot, relating to the field of medical robot technology. The robot includes an upper fixation ring, a lower fixation ring, and six sets of sliding components connected between them. These six sets of sliding components are spatially distributed and form a parallel mechanism. Each sliding component includes a lead screw assembly and a drive assembly. The lead screw assembly includes a lead screw and at least one U-shaped joint, with the U-shaped joint connecting the end of the lead screw to the corresponding fixation ring. The two rotation axes of the U-shaped joint maintain a non-compatibility distribution structure with a preset distance in space to increase the joint's swing angle range and improve multi-directional load-bearing capacity. The drive assembly converts the rotational motion of the motor into the linear motion of the lead screw through gear transmission, realizing the extension and retraction of the sliding components. This invention can avoid unusual configurations within a larger workspace, providing safer, more precise, and more efficient assistance in fracture reduction surgery.

The present application provides new and innovative anterior clavicle plates and systems for clavicle fracture fixation. The provided anterior clavicle plate is shaped to better conform to or fit the anterior and lateral surfaces of a patient's clavicle as compared to typical anterior clavicle plates. This improved conformance can help reduce the incidence of tissue irritation, which reduces the chances of a second surgery being needed for removal of the anterior clavicle plate. The improved conformance can also result in an anatomically better fracture reduction than typical anterior clavicle plates and an increased fixation strength. Additionally, an instrument provided by the present application can help a surgeon install the provided anterior clavicle plate more quickly and with increased flexibility and consistency than typical systems.

The application is suitable for the technical field of medical devices, and provides a bone fracture reduction device, which comprises a linear motion mechanism, a parallel mechanism and a fixing part. The parallel mechanism comprises a first motion assembly, a second motion assembly and a third motion assembly, and the first motion assembly, the second motion assembly and the third motion assembly are all installed on the linear motion mechanism. The fixing part is provided with a first connecting end, a second connecting end and a third connecting end. The first motion assembly is movably connected with the first connecting end, the second motion assembly is movably connected with the second connecting end, the third motion assembly comprises a first end and a second end, the first end is movably connected with the linear motion mechanism, and the second end is movably connected with the third connecting end. Through cooperation between the linear motion mechanism and the first motion assembly, the second motion assembly and the third motion assembly, the fixing part has three rotations, three movements and six degrees of freedom, so that the flexibility of the bone fracture reduction device is higher, and the treatment effect is better.

1. The name of the design product: fixation device for orthopedics. 2. The use of the design product: Kirschner wire puncture fixation for fracture reduction treatment. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The utility model provides an adjustable fracture reduction instrument, which relates to the technical field of medical instruments and comprises a fracture reduction instrument component, adjusting components are arranged at two ends of the fracture reduction instrument component, a supporting component is arranged at the top of the fracture reduction instrument component, and the fracture reduction instrument component comprises a supporting column. And supporting rings are symmetrically mounted on the outer side of the supporting column. The adjusting rods slide in the two ends of the supporting column by rotating the fastening bolts to be loosened, timely adjustment is facilitated according to the body shape of a patient, when the adjusting rods move to the proper positions, the fastening bolts are rotated, the fastening bolts are connected with the friction pads, the adjusting rods are limited advantageously, and the adjusting effect is improved. The fracture reduction instrument assembly is simple in structure and convenient to operate, can be quickly adjusted to a proper length, accurately meets the surgical operation requirement, further guarantees the fracture reduction accuracy of the fracture reduction instrument assembly, does not need complex tool assistance or long-time cooperation of multiple persons, and improves the reduction accuracy.

The invention relates to the technical field of medical instruments, and particularly discloses a fracture reduction fixing device which comprises multiple sets of connecting rods, and fracture fixing rings are arranged at the two ends of the multiple sets of connecting rods respectively. Each group of connecting rods comprises a first screw rod, one end of the first screw rod is provided with a rotating rod, one end of the rotating rod is provided with an adjusting ball, the outer surface wall of the adjusting ball is sleeved with an adjusting sleeve, one end of the adjusting sleeve is embedded with a second screw rod, and the outer surface walls of the first screw rod and the second screw rod are respectively in threaded connection with a plurality of groups of first nuts; the fracture part of a patient can be slightly bent and fixed, the joint of the patient can be slightly bent and fixed, so that adhesion caused by long-term tight attachment of the joint can be avoided, and the recovery rate of the joint flexion function is increased; hindrance in the dismounting process is reduced, and the flexibility of dismounting the fracture reduction fixing device is improved; and the broken bone can be directly pulled and positioned, the precision and reliability of broken bone reduction are improved, and then the treatment effect of broken bone correction and reduction of a patient can be effectively improved.

This utility model relates to the field of orthopedic medical device technology, specifically to an adjustable drilled plate integrated fixation clamp for long bone fractures. It includes a first clamp body and a second clamp body, which are cross-hinged. The top of the first clamp body has a first clamping part, and the inner surface of the first clamping part has several short pins. The top of the second clamp body has a second clamping part, which includes a fixing plate and a clamping block. The clamping block is slidably connected to the inner side of the fixing plate, and the fixing plate has several through holes. This utility model not only provides stable clamping but also features fracture reduction and fixation, adaptive clamping of multiple types of plates, and drilled screw implantation.

The application discloses a kind of artificial muscle driven hybrid fracture reduction surgery robot, it relates to the technical field of auxiliary operating instrument of medical surgery.The present application solves the problems of the existing fracture reduction surgery robot, such as large volume, small workspace, low integration, weak load capacity, complex control, complex kinematics calculation, and easy to cause rigid impact during movement.The top side of the mounting base is provided with a first and second joint swing arm, the first end of the swing arm connecting rod is provided with a first rotary joint, the left and right ends of the first rotary joint are respectively connected with two first rotary joint rotary traction mechanisms, the bottom of the first rotary joint is connected with the mounting base, the end of the swing arm connecting rod is provided with a second rotary joint, the left and right ends of the second rotary joint are respectively connected with two second rotary joint rotary traction mechanisms, and the second rotary joint, four-chain 2R1T parallel mechanism and end traction platform are sequentially connected.The application is used for fracture reduction surgery.

A fracture reduction tool for performing bone fracture reduction is disclosed herein. In one example, the fracture reduction tool includes a first baseplate, a second baseplate, and a flexible linker coupled between the first baseplate and the second baseplate, wherein the flexible linker comprises a gooseneck component configured to move and bend in multiple degrees of freedom.

Orthopedic implants, surgical tools and surgical methods. More particularly, a system for surgical treatment of the elbow region for various fractures. The implants include an assortment of humerus plates, an olecranon plate system, and an elbow stabilization system. In order to assist in surgery, the system includes guides for the humerus, a coronoid fracture reduction clamp and an olecranon osteotomy clamp. Methods of using the various devices are also disclosed.

The invention relates to the technical field of orthopedic nursing, and discloses a traction supporting device for orthopedic nursing, which comprises a traction bed main body, one side of the traction bed main body is fixedly connected with a traction bed plate, and the top of the traction bed main body is provided with a traction assembly. A driving motor is started to drive a first rotating shaft to rotate, the first rotating shaft rotates to drive a third connecting plate to move through a series of transmissions, and the third connecting plate can abut against the bottom of a balancing weight on the other side after moving, so that the balancing weight is effectively supported, and weight increase is reasonably controlled; therefore, for a muscle-developed or obese patient, overlapping displacement force generated by muscle contraction can be overcome by gradually increasing the weight, fracture reduction is accelerated more quickly, and the stability of the traction device is maintained.

The utility model discloses an injectable femoral neck hollow nail device, and relates to the technical field of hollow nail devices, the injectable femoral neck hollow nail device comprises a hollow nail main body, the surface of the hollow nail main body is provided with an external thread, the external thread can pass through a femoral neck fracture line, and a sleeve is arranged in the hollow nail main body. The hollow nail main body can penetrate through a femoral neck fracture line through the external threads, so that pressure can be applied to a fracture end during fracture fixation, a fracture part can be promoted to be tightly attached, micro movement of the fracture end is reduced, a stable environment is created for fracture healing, and growth and healing of callus at the fracture part are facilitated; meanwhile, when the fracture position of the patient is fixed through the hollow nail body, the strength of the hollow nail body can be improved through the sleeve, red marrow and the like can be conveyed through the sleeve, fracture healing is facilitated to be promoted or accelerated, and the risk of internal fixation failure is reduced.

1. The name of the design product: reset device. 2. The use of the design product: with handle fast installation, used for fracture reduction 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 drawing.

The invention discloses an electric fracture reduction ejector rod. The ejector rod at least comprises a supporting rod and a push-pull chuck arranged at the front end of the supporting rod. The push-pull chuck is composed of a base plate fixed to the front end of the supporting rod and a movable plate which is movably arranged at the front end of the push-pull chuck and can move in the axial direction of the supporting rod. When the movable plate is tightly attached to the base plate, the push-pull chuck forms a pushing face, and the pushing action is achieved. When the movable plate is separated from the base plate, the push-and-pull chuck can achieve clamping, pushing and pulling actions on bones through opposite clamping of the movable plate and the base plate. The key point of the invention lies in the design of the integrated push-pull chuck, the integration of multiple reset functions such as pushing, pulling, clamping and the like is realized, the replacement of instruments is effectively reduced, and the operation efficiency, accuracy and safety are improved.

The utility model relates to the technical field of medical instruments, and discloses an emergency surgical fracture patient moving device which comprises a placing plate, a sponge pad arranged at the top of the placing plate, a grabbing frame fixedly installed on one side of the placing plate, a leg retracting pad placed at the top of the placing plate, a connecting plate arranged at the bottom of the placing plate, and a base arranged at the bottom of the connecting plate. And an adjusting rod is arranged on one side of the connecting plate. According to the emergency surgery fracture patient moving device, through cooperative arrangement of the placing plate, the sponge cushion and the leg retracting cushion, a fracture patient can be stably fixed to the placing plate, the body and the arms of the patient can be fixed through the elastic belts, and secondary injury caused by shaking or bumping in the transferring process is prevented; the sponge pad can reduce shaking and oppression of the head of the patient with the fracture in the transferring process, the leg retracting pad can ensure that the patient with the fracture of the legs keeps the relative stability of the legs in the transferring process, and friction and movement between the fracture broken ends can be reduced.

The utility model provides a reduction maintaining brace in a child humerus supracondylar fracture operation, and belongs to the technical field of medical instruments. Comprising a damping positioning hinge, an upper arm connecting structure and a front arm connecting structure, the damping positioning hinge comprises a damping positioning rotating shaft, a first connecting arm and a second connecting arm, and the first connecting arm and the second connecting arm are connected to the two rotating ends of the damping positioning rotating shaft respectively. The upper arm connecting structure comprises an upper arm support and an upper arm fixing belt connected to the upper arm support, the upper arm support is fixedly installed on the first connecting arm, the front arm connecting structure comprises a front arm support and a front arm fixing belt connected to the front arm support, the front arm support is fixedly installed on the second connecting arm, and the front arm fixing belt is fixedly installed on the front arm support. And matched magic tapes are correspondingly arranged on the upper arm fixing band and the front arm fixing band. Adaptive positioning and supporting can be carried out according to the intraoperative requirements and the bending state of the elbow joint of a patient, it is guaranteed that the elbow joint of the patient is always in the extremely-bent position, and the stability of intraoperative and postoperative fracture reduction is improved.

1. Name of the design product: fracture reduction machine. 2. Use of the design product: for fracture reduction. 3. Design points of the design product: in the perspective view. 4. Picture or photo best indicating the design points: perspective view.

The invention discloses an angle-adjustable orthopedic fracture fixing device, and belongs to the technical field of medical instruments, the orthopedic fracture fixing device comprises a telescopic rod, elastic clamping plates arranged at the two ends of the telescopic rod respectively, and universal structures arranged at the two ends of the telescopic rod respectively and connected with the correspondingly arranged elastic clamping plates; the connecting structure comprises a fixing plate arranged on the universal structure, a clamping plate arranged on the face, away from the universal structure, of the fixing plate and a locking bolt arranged on the fixing plate. According to the angle-adjustable orthopedic fracture fixing device, flexible switching between external fixation of the elastic clamping plate and internal fixation of the kirschner wire can be achieved through the connecting structure, different fracture types can be adapted without changing the whole device, the medical cost and the clinical operation difficulty are reduced, and the angle-adjustable orthopedic fracture fixing device is convenient to use through independent rotation locking of the elastic clamping plate and cooperation of the universal structure. The limb physiological angle and the fracture reduction requirement can be precisely met, and the use flexibility and the fixing precision of the device are further improved.

The present invention is a fracture reduction device or system adapted for use in bone cavities. The current device is particularly useful in surgical procedures involving fractured bones.

The present invention discloses an intelligently controlled six-link fracture reduction robot, comprising two fixed rings for mounting Kirschner wires, six connecting arms that are hingedly arranged between the two fixed rings and are uniformly distributed along the circumference, any two adjacent connecting arms are brought together at one end and separated at the other end in an eight-shaped shape, each connecting arm is provided with a telescopic device, and further comprises a control center (PC end), which is communicatively connected to the telescopic device and implements telescopic control, and is provided with a control module for controlling the relative position path of the two fixed rings and a path planning module for designing the control path, characterized in that the path planning module has an improved RRT* path planning algorithm. The present application solution can assist doctors in their operations, so as to better avoid accidental injuries through obstacle avoidance strategies, and better improve the reliability of the robot in the fracture rehabilitation assistance process.

The invention relates to the technical field of medical instruments, in particular to a bone holder for cheekbone fracture reduction and a robot-assisted cheekbone fracture reduction method. The bone holder for reduction of the fracture of the cheekbone provided by the invention comprises a fixed end which is provided with at least one fixing hole and is used for being rigidly connected with a bone block through a fixing piece; one end of the connecting rod is fixedly connected with the fixed end, and the other end of the connecting rod is provided with a connecting structure used for being detachably connected with the tail end of the mechanical arm; and the plurality of registration points are distributed on the surfaces of the fixed end and the connecting rod and are used for performing intraoperative registration through a registration tool. According to the bone holder, the application scene is widened, a stable and reliable connection mode is provided, and the foundation of high-precision registration is laid.

The invention relates to the technical field of fracture reduction forceps, in particular to reduction forceps for metacarpal bone comminuted fracture, which comprise a forceps handle I and a forceps handle II, a rotating shaft is mounted at the intersection of the forceps handle I and the forceps handle II, limiting blocks are mounted on the inner sides of the upper ends of the forceps handle I and the forceps handle II, an elastic piece is mounted between the two limiting blocks, and the elastic piece is connected with the rotating shaft. A guide frame is installed on the first plier handle, a fixed plier head is installed at the lower end of the first plier handle, and an adjustable plier head is fixedly installed at the lower end of the second plier handle. The precise adjusting mechanism composed of the telescopic shaft, the ball head unit and the multiple tong head units is arranged in the adjustable tong head, so that a doctor can conduct synchronous or respective precise angle adjustment on the multiple tong head units according to spatial distribution of metacarpal bone comminuted fracture blocks; by means of the mechanical arm, multiple clamping points can be derived from one entry point, multiple bone blocks in different planes and at different angles can be synchronously clamped, the three-dimensional structure of the metacarpal bone is effectively recovered, and the mechanical arm is suitable for complex comminuted fractures.