19 results about "Bone cutting" patented technology

This invention discloses an automatic poultry carcass segmentation machine and a method for separating M-bone or small breast carcass halves, relating to the technical field of poultry processing equipment. The automatic segmentation machine includes a transfer track, an M-bone cutting unit, and a small breast carcass halves cutting unit. The M-bone cutting unit is located downstream of the transfer track and includes a cutting track, a first conveyor chain, and an M-bone cutter. The M-bone cutter has a cutting working position and a clearance working position. When it is necessary to cut and separate the M-bone from the carcass to be segmented, the M-bone cutter is in the cutting working position; when it is not necessary to cut and separate the M-bone from the carcass to be segmented, the M-bone cutter is in the clearance working position. The small breast carcass halves cutting unit and the M-bone cutting unit selectively receive the carcass to be segmented, and include a discharge guide rod, a small breast carcass slide rail, a second conveyor chain, and a small breast carcass halves cutting unit. This invention can flexibly adapt to two processing needs, has a high degree of automation and production efficiency, and is suitable for large-scale continuous production.

The application discloses a prosthesis system for minimally invasive femoral head replacement, which comprises a bone cutting assembly, a prosthesis, an extension rod, a guide frame and a locking nail. In the operation, only a small opening is needed on the lateral side of the femoral neck, and then a channel is established, and the prosthesis is implanted in the channel, so that the degree of trauma, the operation time and the blood loss are greatly reduced. A detachable extension rod is arranged on the implanted prosthesis, and after the extension rod is positioned by cooperating with the guide frame, the extension rod can guide the path of the locking nail, so that the locking nail is connected with the prosthesis, and is fixed with the large and small trochanters of the patient, so that the prosthesis can be combined with the relatively hard bone and the surface layer of the femoral neck to achieve stable combined support and avoid loosening of the prosthesis.

1. The name of the design product: bone cutting knife. 2. The use of the design product: for cutting bone. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1. 5. The top view has been embodied in perspective view 2, so the top view is omitted; the bottom view has been embodied in perspective view 1, so the bottom view is omitted.

The application discloses a cutting-off machine with a composite cutter mechanism and relates to the technical field of bone cutting machines. The cutting-off machine comprises a workbench, a fixed matching cutter arranged on the workbench, a moving cutter arranged above the fixed matching cutter, a movable matching cutter arranged below the fixed matching cutter, and a driving mechanism capable of driving the moving cutter to move. The driving mechanism is connected with the moving cutter, so that the moving cutter cooperates with the fixed matching cutter and the movable matching cutter to realize cutting. The workbench is provided with a cutter holder for mounting the movable matching cutter. A connecting device is arranged between the movable matching cutter and the cutter holder. An elastic member is arranged between the movable matching cutter and the cutter holder. The movable matching cutter is provided with an adjusting device for adjusting the connecting device. The application is suitable for cutting off small batches of food such as meat and bones, can better cut off meat with more tendons, has small noise and low energy consumption, and the cutting knife is convenient to disassemble, grind or replace.

The utility model relates to the technical field of bone cutting apparatus, and disclose a tibial plateau bone cutting apparatus, including bone shovel, the top fixed connection of bone shovel has the sleeve rod, the outer surface sliding connection of sleeve rod has the sleeve, the top thread connection of sleeve rod has the connecting rod, the top fixed connection of connecting rod has the top block, the top surface fixed connection of top block has the arc plate, the outer surface of connecting rod is sleeved with spring, the top fixed connection of sleeve has the top plate, the top surface of top plate is connected with the casing through screw, the utility model discloses through the eccentric wheel of frequency conversion motor drive, drive bone shovel vibration cutting osteophyte, compared with traditional bone rongeur manual operation, can quickly remove the redundant osteophyte on tibial plateau, effectively shorten the operation time, reduce patient anaesthesia risk and medical staff work intensity. Moreover, the arc blade of bone shovel bottom end cooperates vibration cutting, can get the regular shape inside tibial plateau, reduces the situation of the influence of subsequent operation because of the osteophyte removal shape is not good.

The utility model discloses a kind of intraoperative adjustable knee joint surgery guiding device, it is related to medical instrument technical field, and it include: tibia guide plate, femur front guide plate, femur distal guide plate, four-in-one rotary adjusting plate, metal handle, four-in-one osteotomy plate, wherein four-in-one osteotomy plate is fixed on femur by screw thread nail hole, and bone cutting is carried out to femur by four-in-one osteotomy slot on four-in-one osteotomy plate of swing saw;The guiding device can realize femur valgus angle intraoperative real-time adjustment, realize femur external rotation angle intraoperative real-time adjustment, and more realize flexion-extension gap balance based on ligament judgment basis of operator.

The application discloses a total knee replacement surgery image inspection method and device. A CT image of a professional DCM, i.e. a CT image with a metal rod, is read in, maximum and minimum gray scale values of the image are obtained, and more than 75% of the gray scale values are taken, which include the metal rod and some scattered points. A maximum connected threshold is used to extract and remove points other than the metal rod. At this time, the image only has the metal rod. The image is binarized, the number of layers of the image, the height of the image and the space height of a layer are obtained, the number of layers of the image within 10 mm is calculated, a center point is taken every 10 mm of the total number of layers, the vectors of adjacent points are calculated, the error is obtained by subtracting the adjacent vectors, a reasonable range is defined, all errors within the range are qualified, and otherwise, the errors are unqualified. Therefore, the error rate of planning and bone cutting navigation according to unqualified pictures in the later stage can be reduced, the leg bone of the picture is consistent with the leg bone of the patient, and the time of manual judgment is reduced.

1. Name of the designed product: knife set. 2. Use of the designed product: kitchen and living utensil for cutting food. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: reference picture in use. 5. Other circumstances needing explanation: the designed product is a set product: set 1 is a chef knife, set 2 is a bone cutting knife, set 3 is a slicing knife, and set 4 is a fruit knife.

This application provides a self-adaptive trabecular bone knee joint prosthesis and its design and fabrication method. The electronic device acquires a bone-cut model of the knee joint and a prosthesis model that adapts to the osteotomy surface of the bone-cut model; assembles the bone-cut model and the current prosthesis model into an assembly; performs mechanical simulation using the assembly to obtain the stress and strain distribution at the contact surface between the prosthesis model and the bone-cut model; if the strain distribution does not meet the ideal strain range requirement, the structure of the contact interface is adjusted according to the strain distribution to obtain a new prosthesis model; this process continues until the strain distribution at the contact interface meets the ideal strain range requirement. Thus, instead of relying on experience or a uniform template, a fitting scheme is dynamically generated based on each patient's actual anatomy and mechanical response, thereby solving the current problem of not being able to adapt to individual patient differences, improving the long-term bonding stability of the prosthesis and bone, and extending the prosthesis's lifespan.

This utility model relates to a stable clamp for bone cutting. It includes a feeding drive assembly, a clamping mounting base mounted on the moving end of the feeding drive assembly, and a clamping component one mounted on the clamping mounting base for clamping and fixing the aggregate. It also includes a floating support assembly and a clamping component two mounted on the clamping mounting base, respectively distributed on both sides of the clamping component one. The clamping component one includes a swinging upper clamping jaw and a fixed lower clamping jaw, pivotally connected and arranged vertically. V-grooves are formed on the opposing surfaces of the swinging upper clamping jaw and the fixed lower clamping jaw. It also includes a clamping cylinder pivotally connected between the swinging upper clamping jaw and the fixed lower clamping jaw. The clamping component two includes a clamping cylinder, with clamping stands mounted on the two moving ends of the clamping cylinder. Several clamping roller mechanisms are elastically connected to each clamping stand, arranged in pairs opposite to each other.

1. The name of the design product: bone cutting knife. 2. The use of the design product: the design product is used for bone cutting knife. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: perspective view.

The application relates to the technical field of medical devices, in particular to a novel metal ceramic reverse type shoulder joint prosthesis system and a preparation method thereof. The system comprises a humeral stem, a humeral holder, a humeral pad, a reverse type glenoid head, a taper adapter and a glenoid holder which are sequentially assembled together. The humeral holder, the humeral pad, the reverse type glenoid head and the taper adapter are all formed by 3D zirconium niobium metal printing or forging; the humeral stem and the glenoid holder are integrally formed by 3D printing zirconium niobium alloy, and the bone combining surface is a trabecular structure; an active contact friction interface is formed between the humeral pad and the reverse type glenoid head, and the interface is a zirconium niobium surface oxidized metal ceramic interface. It can be seen that, by replacing the high polymer material component with the zirconium niobium metal ceramic component, the prosthesis system can reduce the bone cutting amount of the proximal humerus, increase the wear resistance of the friction interface, and manufacture a micro-texture structure on the friction interface to realize the super strong wear resistance and low wear of the friction interface, which is beneficial to the long-term stability after the prosthesis is implanted.

This invention discloses an ultrasonic bone scalpel device for endoscopic-guided preparation of implantation cavities, comprising a connector, a scalpel holder, a scalpel, and a ball-end scalpel. The ball-end scalpel is integrally connected to the end of the scalpel, and the root of the scalpel is integrally connected to the connector via the scalpel holder. The scalpel is curved and, from the root to the end, sequentially comprises an integrally connected straight section a, a curved section, and a straight section b. A water nozzle is provided on one side of the end of the scalpel holder, and the inner end of the water nozzle is connected to a water supply channel within the connector. It also includes a nozzle. In the initial state, the water inlet end of the nozzle is aligned with the water nozzle, and the jet spray end of the nozzle corresponds to the ball-end scalpel, so that the jet sprayed from the nozzle ultimately sprays and washes the ball-end scalpel, achieving two complementary working states: efficient washing and mist-free cooling.

This utility model discloses a bone saw with a protective structure, relating to the field of bone saw technology. The utility model includes a casing, a vertical plate fixedly connected to one side of the casing, a bone saw assembly disposed on one side of the vertical plate, and a platform fixedly connected to one side of the vertical plate and above the casing. A movable fixing assembly is disposed on the top of the platform. During bone cutting, this utility model, through its unique structural design, effectively fixes the bone. When the bone to be cut is inserted between the extrusion plate and the movable platform, as the bone is continuously inserted, the extrusion plate moves upward to compress the spring. The reverse resistance generated by the compressed spring allows the extrusion plate to stably press the bone, firmly fixing it in the retainer, preventing the bone from moving or shaking during cutting. Furthermore, it eliminates the need for direct hand contact with the bone, preventing hand injuries during bone sawing. The curved panel also prevents bone fragments from scattering and causing injury.

The application discloses an indirect measurement method of ultrasonic bone cutting force based on anti-node vibration displacement, and belongs to the technical field of bone cutting force measurement. 1rms The application discloses an indirect measurement method of ultrasonic bone cutting force based on anti-node vibration displacement, and belongs to the technical field of bone cutting force measurement. x1 The application discloses an indirect measurement method of ultrasonic bone cutting force based on anti-node vibration displacement, and belongs to the technical field of bone cutting force measurement. rms The application discloses an indirect measurement method of ultrasonic bone cutting force based on anti-node vibration displacement, and belongs to the technical field of bone cutting force measurement. 1rms The application discloses an indirect measurement method of ultrasonic bone cutting force based on anti-node vibration displacement, and belongs to the technical field of bone cutting force measurement. x1 The application discloses an indirect measurement method of ultrasonic bone cutting force based on anti-node vibration displacement, and belongs to the technical field of bone cutting force measurement. rms The application discloses an indirect measurement method of ultrasonic bone cutting force based on anti-node vibration displacement, and belongs to the technical field of bone cutting force measurement.

A method for at least partially severing a neck bone portion having a spinal column, featherbones and a rib structure from a partial carcass is provided. The method comprises cutting the carcass with a first cutting tool adapted to cut the partial carcass along a first cutting path around and along the spinal column to a predetermined cutting length, according to a first cutting sequence and cutting the carcass with a second cutting tool adapted to cut the partial carcass along a second cutting path around the rib structure and around the spinal column, according to a second cutting sequence. The first and second cutting sequences are performed in a single continuous or semi-continuous operation. There is also provided a cutting assembly and a meat processing system.

The application discloses a genetic algorithm-based deformity orthopedic prescription optimization method, system, device and storage medium, which comprises the following steps: establishing a three-dimensional model of an orthopedic skeleton of a patient, obtaining an initial pose and a final pose of a moving bone based on the three-dimensional model of the orthopedic skeleton, and then obtaining an expected orthopedic path, generating a daily pose parameter in a preset treatment period, simulating bone cutting and simulating the installation of a Taylor support on the three-dimensional model of the orthopedic skeleton, taking the cross-sectional contour points as orthopedic feature points, obtaining the daily orthopedic feature change points of each orthopedic feature point in the corresponding daily period of the preset treatment period based on the daily pose parameter, and then generating a daily composite transformation matrix to obtain the daily rod length of each telescopic rod in the Taylor support, so as to obtain the optimal daily adjustment sequence of each telescopic rod in the Taylor support by using a genetic algorithm. The application can accurately control the rate of traction orthopedics, effectively adjust the adjustment sequence of different telescopic rods in the Taylor support, alleviate the pain of the patient, and improve the comfort during the orthopedic process.

The utility model relates to the technical field of prefabricated dishes, and disclose a kind of automatic bone cutting machine for prefabricated dishes, including base, the base outer surface one side is provided with collection box, the collection box outer surface one side is provided with auxiliary plate, the auxiliary plate outer surface upper side is provided with first screw rod, the base outer surface upper side is provided with device box, the device box outer surface one side is provided with feed pipe, the motor is arranged on the inner bottom wall upper side of the device box, the device box is internally provided with conveyor belt, the inner wall one side of the device box is fixedly connected with inclined plate, the inner bottom wall upper side of the device box is fixedly connected with bracket. The utility model, motor is arranged in device, by starting motor, so that motor drives conveyor belt to move, then raw materials are added into device box through feed pipe, and hydraulic press is started, so that cutter moves up and down, when raw materials move to cutting plate, then cutter moves up and down, complete the effect of bone cutting for prefabricated dishes.

This invention provides an automated osteotomy planning method and system for unicompartmental knee arthroplasty, comprising: acquiring a first contact point between the femur and tibia on the healthy side of the knee joint, and a second contact point between the femoral prosthesis and tibial prosthesis on the surgical side of the knee joint; generating the postoperative motion trajectory of the femur and tibia based on the first and second contact points; and automatically planning the amount of osteotomy of the femur or tibia on the surgical side of the knee joint based on the motion trajectory of the femur and tibia. This invention solves the problems of traditional manual surgery relying on the surgeon's experience, affecting the surgical outcome, and currently lacking effective intraoperative planning and accurate prediction capabilities. It greatly improves the safety and efficiency of unicompartmental knee arthroplasty, while also improving the surgical outcome, and significantly enhances the intelligence, usability, and reliability of this invention.