72 results about "Bone cutting" patented technology

The invention discloses a bending-adjustable endoscope type liver cutting radiofrequency ablation electrode, and relates to the technical field of medical apparatuses and instruments. The device comprises a handle, the top of the handle is provided with a depth adjusting block, one side of the handle is provided with a trigger, the top of the trigger is provided with an extension rod, one side of the extension rod is fixedly connected with an adjustable bent pipe, and one side of the adjustable bent pipe is provided with a cutting electrode. Through the design of the adjustable bent pipe and the snake bone cutting structure, the front end of the instrument can realize multi-angle flexible bending, the surgical operation range is obviously expanded, the instrument is particularly suitable for areas such as the back of the liver which are difficult to directly touch, dependence on other auxiliary instruments is reduced, the flexibility and operability of the surgery are improved, and the surgical efficiency is improved. The depth limiting head is linked with the trigger, and the seven-gear design of the depth adjusting block is matched, so that the depth of the cutting electrode penetrating into the liver can be accurately controlled, excessive puncture or insufficient ablation is avoided, and the safety and effectiveness of an operation are improved.

The application discloses a preparation method of a customized porous TMJ prosthesis deposited with europium-doped black phosphorus nanosheets, and comprises the following steps: S1, CBCT is used to shoot medical image data, which is imported into Mimics software to reconstruct a model, the reconstructed model is imported into Geomagic software to simulate bone cutting, and a craniofacial model STL file is obtained; S2, TMJ prosthesis customization design is performed on the craniofacial model STL file; S3, SLM printing technology is adopted to perform 3D printing on the customized TMJ prosthesis model, and a prosthesis entity is obtained; and S4, a polydopamine europium-doped black phosphorus nanosheet surface coating is constructed on the porous region of the prosthesis entity model. The application realizes product customization by adopting computer-aided design and three-dimensional printing technology; the europium-doped black phosphorus nanosheet coating is constructed on the porous region of the prosthesis, the mandibular stump and the buccal region are promoted to grow into bone, the traditional "two-dimensional fixation" is changed into "three-dimensional fixation", and the limitation of screw loosening, falling off and bone resorption is got rid of.

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 invention discloses an oral osteotomy navigation system based on mixed reality interaction, which relates to the technical field of stomatology and comprises a preoperative sensing module, an oral model construction module and a deformation analysis module. According to the method, real-time acquisition of intraoperative biomechanical signals is realized through a sensor array, an oral cavity model is established to reproduce the geometrical morphology and spatial relationship of bones and nerve blood vessels, key anatomical labeling and biomechanical attribute labeling are performed on an oral cavity operation area, the biomechanical signals are input into a pre-trained deformation prediction model, and a deformation prediction result is obtained. The method comprises the following steps: dynamically updating the structural shape of an oral cavity model, predicting the movement risk of a surgical instrument in the next few seconds based on the updated model, calculating and generating a three-dimensional virtual safety protection area according to an operation prediction risk result and the real-time position of the surgical instrument, and defining a clear safety range for surgical operation. And the safety protection area range and the warning intensity are automatically adjusted according to the bone hardness and the instrument approaching speed, and operation constraint and guidance on the physical level are achieved.

The utility model discloses a jean bone cutting and collecting device, which relates to the field of meat product processing, and comprises a connecting arm, a transverse air cylinder, a vertical air cylinder, an L-shaped seat, a material pushing plate and two vertical arms, the connecting arm is detachably arranged at the top ends of the two vertical arms, the bottom ends of the vertical arms are provided with connecting assemblies used for being connected with a cutting table, and the transverse air cylinder and the vertical air cylinder are arranged on the L-shaped seat. The L-shaped base, the vertical air cylinder and the material pushing plate are made to move rightwards by controlling extension of the transverse air cylinder, after the material pushing plate moves to a proper position, extension of the vertical air cylinder is controlled, the material pushing plate is made to make contact with the table top of the cutting table, and the material pushing plate is made to move leftwards by controlling contraction of the transverse air cylinder. The material pushing plate pushes the jeans on the cutting table into the collecting frame in the moving process, so that automatic pushing and collecting of the jeans are achieved, manual intervention is reduced, product sanitation is guaranteed, and production efficiency is improved.

A system for performing a minimally invasive interventional fusion procedure on a sacroiliac joint of a patient. The system may include a disposable sterile packed implant and kit including access, bone cutting, accessory and extraction instruments.

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.

An apparatus and methods are provided for a one-step dental implant that avoids pressure points and heat production within a patient's bone. The dental implant includes a bone cutting portion having a centering tip surrounded by bone cutting edges and soft tissue knives. The centering tip perforates the gingiva while the soft tissue knives dissect the gingiva with a precise circular cut. The bone cutting edges chisel the bone as the dental implant is tightened into the bone. Deflecting sides direct bone powder into axial bone storage areas. A gingival sealing portion includes a cylindrical portion that fits into cortical bone without friction or exerting pressure on the bone. The cylindrical portion removably retains components that include a silicone O-ring. Engaging sections of the cylindrical portion enable driving the dental implant into the patient's bone. Internal threads of the cylindrical portion enable clamping abutments onto the dental implant.

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.

Embodiments of the present application provide a surgical reference scheme generation method and device, and relate to the technical field of data processing. The method comprises: obtaining a three-dimensional model of a distorted part of an object body, and obtaining bone cutting line information and a correction angle for correcting a distorted bone of the distorted part based on the three-dimensional model; determining a key point on the distorted bone in the three-dimensional model; adjusting data of the distorted bone in the three-dimensional model based on the bone cutting line information and the correction angle, to obtain an adjusted three-dimensional model as a three-dimensional model of the distorted part after a bone cutting operation on the distorted bone; determining a position of installing a steel plate on the distorted bone based on a target position and a preset position conversion relationship; and generating a surgical reference scheme with position information of the determined position as reference information. The scheme provided by the embodiments of the present application can generate a surgical reference scheme, and can provide reference information for doctors.

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 discloses a tibia vertical osteotomy auxiliary device for unicompartmental knee arthroplasty, and relates to the technical field of unicompartmental knee arthroplasty. The device comprises a base, a stand column, a machine box, a winding shaft, an inhaul cable and a drag hook, a fixing area is arranged in the middle of the base, the stand column is arranged at the upper end of the base, the machine box is arranged above the stand column, and a small self-locking motor is fixed in the machine box. According to the utility model, the inhaul cable and the drag hook are locked through the small self-locking motor, the winding disc, the motor driver and the touch screen, so that medical personnel can adjust the degree of tightness of traction according to the number of turns of winding of the winding disc as required, and an assistant can carry out long-time bare-handed traction; secondly, the two extendable extension rods and the corresponding drag hooks are mounted on the mounting seat, so that the medical staff can adjust the distance between the two drag hooks according to the exposure requirement of the surgical incision, the surgical exposure area is expanded, and a doctor can conveniently perform an operation.

The application provides an oral bone cutting navigation system, method and storage medium based on mixed reality interaction, and belongs to the oral medical field. The oral bone cutting navigation system comprises a data processing module, a mixed reality display module, a navigation module and related navigation markers. The system combines the mixed reality display technology with the navigation system to realize accurate navigation of the oral bone cutting operation. The system can intuitively display the bone cutting line and the virtual operation area, so that the doctor does not need to frequently switch the line of sight during the operation, and can obtain the bone cutting position, depth and angle and other information in real time and accurately, thereby improving the operation precision and efficiency, reducing the operation trauma and improving the operation effect.

The application discloses a medical rotary ultrasonic osteotome, which comprises an ultrasonic vibrator, the ultrasonic vibrator is arranged in a shell, the top of the ultrasonic vibrator is arranged outside the shell and is provided with a grinding needle, a non-contact energy transmission device and a rotary driving device are sequentially arranged in the shell and at the end of the ultrasonic vibrator, the non-contact energy transmission device comprises a main side coil, a main side magnetic core, a secondary side coil and a secondary side magnetic core, the main side magnetic core is provided with a main wire slot, the secondary side magnetic core is provided with a secondary wire slot, the external connecting wire of the main side coil is connected with an external ultrasonic power supply through the main wire slot and a wire port of the rear shell, and the external connecting wire of the secondary side coil is connected with the ultrasonic vibrator through the secondary wire slot and a first wire hole; the rotary driving device comprises a front gear, a rear gear, a connecting main rod and a quick connector. The application aims to provide the rotary ultrasonic osteotome which can improve the bone cutting operation efficiency, reduce the mechanical damage of bone tissue, and combine the advantages of ultrasonic and rotary cutting.

1. The name of the design product: chicken bone scissors (YH-008). 2. The use of the design product: for cutting chicken bones. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: front view.

A system and method for a ROSE-Reverdin / DARE osteotomy obviates severe deformities having a high intermetatarsal angle and which require closure via osteotomy (bone cut) of the first and / or fifth metatarsal in the midshaft or proximal aspect of the bone. The ROSE osteotomy is utilized to achieve this correction and is performed without need for fusion of the first metatarsal cuneiform joint. The ROSE osteotomy achieves correction of the intermetatarsal angle via rotation of the first and / or fifth metatarsal about a proximal based axis point. The Reverdin / DARE osteotomy is required to correct a deviated articular cartilage deformity at the head of the first metatarsal and / or additional slight correction of the IM angle. The Reverdin / DARE osteotomy achieves correction by wedging of the cut to realign the cartilage and translation of the head of the first metatarsal for further IM correction. A unique jig is used to achieve this cut and fixation.

The invention provides a medical ultrasonic knife, a medical ultrasonic knife system and a robot-assisted ultrasonic knife system, and belongs to the technical field of medical instruments. The medical ultrasonic scalpel comprises a scalpel rod, a connecting assembly and a scalpel head. The cutter bar extends in the first direction and is provided with a first end and a second end which are arranged in the first direction. The connecting assembly is connected with the first end of the cutter bar; the tool bit abuts against the first end of the tool bar, and the tool bit is rotationally connected with the connecting assembly. The tool bit can rotate around at least one center shaft, and the extending direction of the center shaft intersects with the first direction. According to the medical ultrasonic knife, the knife head can rotate around at least one center shaft intersecting with the first direction, the operation angle and orientation of the knife head can be adjusted, the knife head can reach a special patient part which is difficult to reach by a straight-head knife head, the problem that bone cutting operation of the special part is inconvenient is solved, and the application range of the medical ultrasonic knife is widened.

According to the ultrasonic bone cutting device and the bone cutting tool thereof, in the process that bone tissue is cut through a cutting edge of a cutting edge section, cooling liquid can reach a friction heat generation area of the cutting edge section and the bone tissue through a liquid injection channel, a communication through hole and a flow guide channel, and therefore a tool bit body can be effectively cooled in time; and thermal damage is avoided. Meanwhile, due to the fact that the communicating through hole communicating with the liquid injection channel and the flow guide channel penetrates through part of the operation plane and part of the cutting edge face, that is, part of the communicating through hole is formed in the tightening section, the strength of the cutting edge section is not or slightly affected, and the risk of breakage is avoided.

1. Name of the designed product: bone cutting knife (star moon). 2. Use of the designed product: used for cutting meat bones. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: perspective view.

The invention provides an orthopedic surgery navigation system and method and electronic device.The system comprises a structured light camera, a surgery planning module, a registration module and a navigation guiding module.The structured light camera is used for collecting a depth image of a target osteotomy area in the surgery in real time; the operation planning module is used for performing operation planning on a target osteotomy area based on the preoperative medical image data of the patient and generating planning information; the registration module is used for performing registration on the depth image and a three-dimensional model reconstructed based on preoperative medical image data so as to determine navigation positioning information of an operation executing mechanism in a space; the technical problems that in the prior art, a physical marker is still depended on, the operation process is complex, and cost is high are solved, miniaturization and low cost of an orthopedic surgery navigation system are achieved, and the operation efficiency is improved. And the positioning precision and the operation reliability of the osteotomy operation are obviously improved.

The present application relates to the technical field of bone cutting tools, and discloses a femur bone cutting tool in total knee arthroplasty, which comprises a fixing part, the fixing part comprises a fixing frame, the outer surface of the fixing frame is fixedly connected with a fixing nail sleeve, and the upper surface of the fixing frame is provided with a mounting groove; the locating part comprises a supporting frame, the bottom end of the supporting frame is fixedly connected with a mounting column which is in close contact with the inner wall surface of the mounting groove, and the outer side of the supporting frame is provided with an execution frame. The femur bone cutting tool in total knee arthroplasty can effectively solve the problem that the tool instruments used in femur joint bone cutting surgery in the prior art are composed of multiple independent parts, the measurement reference and the positioning reference of each tool are independent of each other, the reference transmission completely depends on manual connection in the tool dismounting and replacing process, the reference deviation is further aggravated, and thus the reference transmission is broken, and the surgery precision and efficiency are low.

Provided are a bone cutting tool assembly for artificial joint surgery. The assembly comprises a guide unit including a body having at least one guide slit and an anchor configured to extend from a side of the body, having a plurality of pin insertion holes; and a length measuring unit including a reference module having a slit insertion part inserted into the guide slit and a moving guide part extending in a direction perpendicular to a surface of the slit insertion part, and a position variable module slidingly coupled to the reference module through the moving guide part.

The application relates to the technical field of medical devices, improves the problem of unstable sawing of a wire saw for cutting a bone, discloses a reciprocating bone cutting device which comprises a fixing sleeve, a rotating shaft, a traction mechanism and a cutting wire; two axial pull wire grooves are symmetrically arranged on the central surface of the fixing sleeve along the axial direction; the rotating shaft is rotationally connected in the fixing sleeve, the surface of the rotating shaft is provided with a guide groove, the guide groove comprises a forward section and a return section which are connected in a head-tail mode; the traction mechanism is arranged through the pull wire groove and is slidingly connected on the guide groove, the traction mechanism is two, and when one traction mechanism slides from the forward section to the return section, the other traction mechanism slides from the return section to the forward section; the two ends of the cutting wire are respectively fixed on the two traction mechanisms and pass through the part of the human bone which needs to be cut. The two traction mechanisms are simultaneously limited by the guide groove and the pull wire groove, and the movement directions are opposite, so that the cutting wire reciprocally saws along a straight line in a plane to cut the human bone, and the cutting precision and efficiency are improved.

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 application provides a bone-cutting guide for knee joint replacement surgery navigation and a use method thereof. The bone-cuting guide comprises: a navigation array for calibrating the position of a saw blade in a navigation system; a saw blade fixing seat for fixing a bone needle and mounting the saw blade; a first direction adjusting structure for adjusting the movement of the saw blade fixing seat; and a bone needle for being fixed in a bone needle hole of the saw blade fixing seat. Compared with the prior art, the application can realize accurate positioning of the angle and position of bone cutting by calibrating the position of the saw blade in the navigation system in time. Compared with the scheme in which a doctor uses a traditional surgical tool to perform bone cutting, the bone-cuting guide and the bone-cutting method have high position accuracy and depend less on the experience of the doctor, and compared with the scheme in which bone cutting is performed by cooperation of full intelligent navigation technology and a mechanical arm, the application does not need the participation of the mechanical arm, the operation steps are simple, and the surgical cost is reduced.

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 invention relates to an ultrasonic osteotome and an ultrasonic osteotome system. The ultrasonic osteotome comprises a knife rod and a knife head, and the knife rod is used for being detachably connected with a transducer and transmitting ultrasonic vibration generated by the transducer to the knife head; the cutter head comprises a connecting section and a cutting section, the connecting section is used for connecting the cutting section with the cutter bar, the cutting section is used for cutting bone tissue, at least part of the cross section, perpendicular to the axis of the cutter bar, of the cutting section is in a C shape, and the far end, in the axis direction of the cutter bar, of the cutting section is provided with a far end surface making contact with the bone tissue and a plurality of first cutting teeth; the cross section of the cutting section of the tool bit is designed to be C-shaped, namely, the tool bit is of a similar shovel-shaped structure, and the cutting teeth are arranged on the surface, making contact with tissue, of the front end of the tool bit, so that the tool bit at least can achieve cutting in the axis direction of the tool bar and in the axis direction of the tool bar; and the cut bone chips can be better removed from the cutting grooves, so that the tool bit has various bone cutting functions and bone tissue removing functions at the same time.

The invention provides a multi-console surgical robot remote system, a control method and a control device. The control system comprises an upper controller, a mechanical arm, a positioning system and at least two consoles, the consoles are deployed at different preset places; the positioning system monitors the pose information of the mechanical arm and the pose information of the part, to be subjected to osteotomy, of the patient in real time; the upper controller is in communication connection with the at least two consoles, the positioning system and the mechanical arm, and is configured to receive pose information of the mechanical arm and pose information of a to-be-osteotomy part of a patient; in response to a control instruction of the console, control information of the mechanical arm is generated; and the control information is sent to the mechanical arm. According to the surgical robot, the multiple consoles are arranged, each console is remotely connected with the upper controller, the transmission channel is constructed, and therefore mechanical arm control is completed at the far end, and remote control over the surgical robot is achieved.

1. The name of the design product: chicken bone scissors (YH-010). 2. The use of the design product: for cutting chicken bones. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: front view.

The present application belongs to the technical field of bone cutting tools, and specifically discloses a kind of bionic bone cutting tools based on surface microstructure of nepenthes and a preparation method thereof, wherein the bionic bone cutting tool includes a tool body, the tool body is provided with a chip contact area, the chip contact area is provided with a plurality of crescent-shaped structure pits, and the plurality of crescent-shaped structure pits are regularly arranged in an equidistant geometric lattice.The bionic bone cutting tool with a surface similar to that of nepenthes prepared by the present application has a texture array of surface microstructure of nepenthes in the chip contact area, including crescent-shaped pits distributed in the waxy area of nepenthes, which can reduce the cutting temperature during the cutting of bone material by the tool, make the cutting process more stable, inhibit crack generation, and improve the surface quality.The bionic bone cutting tool with a surface similar to that of nepenthes prepared by the present application can be widely used in bone cutting surgery, not only can reduce the cutting temperature, but also can inhibit crack generation, thereby improving the surface quality of bone material cutting, and causing no secondary harm to patients.