89results about How to "Guarantee the quality of surgery" patented technology

The invention relates to a minimally invasive surgical instrument auxiliary system. The system solves the technical problems that a surgery tool has complicated operation and low flexibility during the operation of an existing minimally invasive surgery, eye and hand movement is uncoordinated during the operation of a doctor, and hand shaking of the doctor may affect the quality of the surgery. The system includes a main operating arm and a slave operating arm for tracking the movement of the main operating arm. The system is widely used in the technical field of medical instruments.

The invention relates to a split type minimally-invasive surgery instrument aid system, and solves the technical problems that in an existing minimally-invasive surgery operation process, operation ofa surgical tool is complicated, the flexibility is low, when a doctor operates the surgical tool, hand motion does not coordinate with eye motion, and when the hands of the doctor shake, the surgicalquality can be affected. The split type minimally-invasive surgery instrument aid system comprises a main operating console and a slave operating device, and the main operating console is used for collecting information of the hand motion of the doctor and controlling motion of the slave operating device. The split type minimally-invasive surgery instrument aid system is widely used in the technical field of medical devices.

The invention relates to a minimally invasive surgical instrument auxiliary system. The system solves the technical problems that a surgery tool has complicated operation and low flexibility during the operation of an existing minimally invasive surgery, eye and hand movement is uncoordinated during the operation of a doctor, and hand shaking of the doctor may affect the quality of the surgery. The system includes a main operating arm and a slave operating arm for tracking the movement of the main operating arm. The system is widely used in the technical field of medical instruments.

The invention relates to a back outer side anatomy type locking bone fracture plate for tibia plateau. The back outer side anatomy type locking bone fracture plate for the tibia plateau comprises a horizontal part, a connecting part and a longitudinal part. Penetrating holes are formed in the horizontal part, the connecting part and the longitudinal part, the horizontal part is in a circular arc shape, a certain included angle is formed between the longitudinal part and the horizontal part, and the longitudinal part inclines towards the inner side. According to the back outer side anatomy type locking bone fracture plate for the tibia plateau, the shape which is more matched with the surface of bones is used, screws are used for locking and fixing, use is convenient, the maximum supporting fixing strength is achieved, and surgery quality is ensured.

The invention discloses a knee arthroscope operation stent, which comprises a stent body fixedly connected with an operation table, a rotating disc I fixedly arranged on the stent body, a connecting rod I, a rotating disc II and a connecting rod IV. A locating hole I is arranged at the edge of the rotating disc I, one end of the connecting rod I is hinged to the center of the rotating disc I, a location pin I is arranged on the connecting rod I, and a connecting rod II is fixedly arranged at the other end of the connecting rod I. The rotating disc II is arranged perpendicular to the rotating disc I, a far end of the connecting rod II is hinged to the center of the rotating disc II, a locating hole II is arranged at the edge of the rotating disc II, and a location pin II matched with the locating hole II is arranged on the connecting rod II. A connecting rod III is fixedly arranged on the rotating disc II, one end of the connecting rod IV is hinged to a far end of the connecting rod III, and a fixing sleeve used for fixing ankles is arranged at the other end of the connecting rod IV. Angles at various directions can be adjusted and continuously fixed by the knee arthroscope operation stent according to operation requirements, a continuously stable and reliable operation environment can be provided for medical personnel, operation quality is guaranteed, manpower resources are saved, efficiency is improved, and the knee arthroscope operation stent is simple in structure, convenient to use and easy to manufacture.

The invention relates to a pancreiatic duct jejunum anastomat which comprises an anastomosis nail, a nail seat, an anastomosis nail brake forming mechanism and a nail seat feed mechanism. The anastomosis nail comprises a first rod piece, a second rod piece, a third rod piece and a fourth rod piece. The length direction of the first rod piece is parallel to the pushing direction of the nail seat feed mechanism. The anastomosis nail is arranged in the nail set. The third rod piece is disposed on one side of the anastomosis nail brake forming mechanism in the pushing direction. The nail seat is disposed on one side of the nail seat feed mechanism in the pushing direction. The nail pushing mechanism can push the nail seat and the anastomosis nail on the nail seat to move forwards. The anastomosis nail brake forming mechanism can push the third rod piece to buckle around a joint point of the third rod piece and the second rod piece in the direction of the first rod piece until an included angle between the third rod piece and the second rod piece become a right angle. By the pancreiatic duct jejunum anastomat, the problems of high operation precision requirements and operation difficulties of pancreiatic duct jejunum operations with prior arts can be solved. The pancreiatic duct jejunum anastomat can be used in not only normal laparotomy surgeries but also laparoscopic surgeries by means of extended components.

The invention relates to a minimally invasive surgery main operating arm. The arm solves the technical problems that a surgery tool has complicated operation and low flexibility during the operation of an existing minimally invasive surgery, eye and hand movement is uncoordinated during the operation of a doctor, and hand shaking of the doctor may affect the quality of the surgery. The arm includes a main end connecting rod, a wrist slide seat and a main hand wrist, the wrist slide seat is rotatably connected with the main end connecting rod, and the main hand wrist is slidably connected withthe wrist slide seat. The arm is widely used in the technical field of medical instruments.

The invention discloses a disposable endoscope linear cutting anastomat. The disposable endoscope linear cutting anastomat comprises an anastomat body, a connecting rod, a nail bin body, a second fixing block and illuminating lamps, wherein a fixed handle is fixed to the lower side of the anastomat body and located on the right side of a movable handle, the movable handle is rotationally connected with the anastomat body, a limiting groove is fixed to the left side of the connecting rod, a sleeve is located between disinfection assemblies, a nail bin body is located on the lower side of the nail abutting base, the right side of the interior of the limiting groove is in threaded connection with an auxiliary clamping assembly, and the illuminating lamps are fixed to the left side of the anastomat body. The disposable endoscope linear cutting anastomat can carry out auxiliary disinfection treatment on cut and sutured wounds, can achieve auxiliary clamping and supporting effects on gastrointestinal tissues, can achieve auxiliary lighting and auxiliary photographing effects through a first auxiliary lighting lamp, a second auxiliary lighting lamp and a small anti-fog camera, and has the advantage of ensuring normal use through a power storage assembly when the electric quantity is insufficient.

The invention relates to a doctor operating table, which solves the technical problems that a structure of an existing doctor mechanical arm is complicated and the weight is heavy, the vertical arrangement of the mechanical arm is greatly affected by gravity, the operation is not easy, the doctor is easy to fatigue, the movement flexibility is low, and the joint movement precision is low. The doctor operating table comprises a base, an armrest, a display screen, a column and the doctor mechanical arm, the armrest is connected with the base, the column is connected with the base, the doctor mechanical arm is connected with the column, and the display screen is connected with the column through a bracket; the doctor mechanical arm includes a pedestal, a first arm, a rotating joint seat, a second arm and a wrist, the pedestal is connected with the column, and the rear end of the first arm is connected with the pedestal through a joint and can be rotated on a horizontal surface; the secondarm is connected with the rotating joint seat though the joint and can be rotated on a vertical plane with reference to the rotating joint seat; the rotating joint seat is connected with the front end of the first arm and is rotatable on a horizontal plane with reference to the first arm. The doctor operating table is widely used in the technical field of a medical device.

The invention provides an intravascular plug-in visual flexible optical fiber surgical tool. The intravascular plug-in visual flexible optical fiber surgical tool is characterized by consisting of anAnderson local optical fiber with an annular waveguide, a lighting source, a surgical light source, an optical fiber wavelength division multiplexer, an optical fiber lateral-fling coupler and a camera system. In the composition, (1) light waves of the lighting source and the surgical light source pass through the optical fiber wavelength division multiplexer and the optical fiber lateral-fling coupler and then are input into an annular core of the Anderson local optical fiber with an annular waveguide for transmission; (2) intravascular illumination is provided by an illumination beam transmitted in the annular waveguide, intravascular image information is collected by an Anderson local optical waveguide channel of the Anderson local optical fiber with the annular waveguide, the intravascular image information is transmitted to the camera system for detection, and a lesion area is searched; and (3) the lesion area in the blood vessel is removed by the operation light beam transmittedin the annular waveguide. The intravascular plug-in visual flexible optical fiber surgical tool can be used for imaging and operation of lesion areas such as tumors or thrombi in blood vessels, and can be widely applied to the field of cardiovascular disease treatment.

The invention relates to an artificial hip joint replacing-retracting-exposing positioner which belongs to medical appliances. The top side part and one side part of the n-shaped frame are respectively sheathed with a first elastic clamp seat assembly and a second elastic clamp seat assembly; a draw hook connecting rod and a sharp hook connecting rod are respectively inserted on the first elastic clamp seat assembly and the second elastic clamp seat assembly; a pelvis obturator foramen long-handle draw hook and an acetabula front-edge exposing-positioning sharp hook sleeve are respectively connected to the draw hook connecting rod and the sharp hook connecting rod through an adjustment through hole A and an adjustment through hole B; the ends on both sides of the n-shaped frame are respectively provided with a shallow-layer tissue retracting-positioning hook and a positioning column; a parenchyma retracting hook is sheathed on the positioning column through an adjustment through hole C; a shallow-layer tissue retracting-positioning brace rod is fixed on a shallow-layer tissue retracting-positioning hook; and an acetabula upper edge retracting-positioning pin is arranged on the outer side of the open end of the n-shaped frame. The invention has the advantages of simple structure, convenient use, reliable operation, accurate and stable operative field range, and is beneficial to ensuring the operation quality and enhancing the operation efficiency.

The invention discloses a surgical gauze sterile storing and taking device, which well realizes gauze disinfection time control and convenience for medical workers to take gauze for use, improves operating efficiency and guarantees surgical quality. The technical scheme for solution includes that the surgical gauze sterile storing and taking device comprises a bottom plate, a supporting plate is connected above the bottom plate, sliders are arranged on the supporting plate, each slider comprises an upper flat plate and a lower flat plate, each upper flat plate, the corresponding lower flat plate and the corresponding slider form a slide support, a rotating shaft is arranged in the center of the bottom plate, and each upper flat plate is provided with a first hinge pin. Two sides of each radial through groove are provided with telescopic pins mounted on the upper end face of the supporting plate respectively, reset springs are connected between the sliders and the radial through groovesrespectively, the slide supports move inwards to extrude the telescopic pins to move downwards through the upper flat plates, the lower end face of the supporting plate is provided with a plurality of second hinge pins, each lower flat plate is provided with a vertical clamping groove, the second hinge pins are peripherally provided with pins respectively, lower ends of the telescopic pins are connected with pull ropes, and the other end of each pull rope is wound on the corresponding second hinge pin. The surgical gauze sterile storing and taking device is ingenious in structure and novel inconception.

The invention relates to a safety device and a drive device of a one-time anorectal cutting anastomat, belongs to medical instruments and is particularly applicable to anorectal hemorrhoids cutting in a matched mode. The safety device and the drive device of the one-time anorectal cutting anastomat comprise a locking ring, a straight push rod, a straight push rod spring, a safety device body, a movable handle assembly, a fixed handle assembly, an adjusting lead screw and an adjusting nut assembly. The adjusting lead screw is a variable pitch lead screw, a large-pitch screw is arranged in the middle, and small pitch screws are arranged at the two ends. The fixed handle assembly is formed by combining and welding a left fixing handle and a right fixing handle, and the upper portions of the inner sides of the fixing handles are provided with straight push rod slide grooves. The movable handle assembly comprises a movable handle, a movable handle cover, a handle pin and a movable handle spring. The safety device body comprises a safety block, a safety block pin, a safety block spring, a safety transmission rod and a safety transmission rod tension spring. The adjusting nut assembly comprises an adjusting nut, a lead screw fine adjustment nut, a sealing cover, a nut pin and a nut pin clamping ring.

The invention discloses an auxiliary robot for total knee joint replacement surgery. Two groups of stereo vision and light source mechanical arms with seven joints are designed, and the function of rapid and accurate stereo reconstruction of knee joint surgery is achieved; two mechanical arms with supporting and clamping positioning components are designed, the fixation of thighs and cruses in thetotal knee joint replacement surgery is achieved, and thus knee joints are fixed, and guarantee is provided for the accuracy of the surgery; two mechanical arms for turnover clamping of skin and muscle tissues are designed, and four novel turnover clamping components work together to realize minimally invasive and accurate turnover of skin and muscle tissues of a knee joint incision and reduce secondary trauma of the surgery incision turnover; an surgery mechanical arm with four executive components is designed, the knee joint skin and muscle tissue cutting, incision hemostasis, leg bone cutting, leg bone drilling and other functions for the knee joint replacement surgery are achieved, real-time function switching is achieved, and the accuracy, stability and efficiency of the surgery canbe greatly improved.

The invention provides a cheekbone positioning fixing apparatus, which comprises two forceps bodies consisting of forceps handles and forceps heads. The two forceps bodies are connected in a crossed manner via a hinge pin, a finger ring hole and a fixing clamping tooth are arranged at the rear end of each forceps handle, the fixing clamping teeth on the two forceps handles match mutually, claw hooks are arranged at the front ends of the two forceps heads, the plane with the claw hooks is perpendicular to a plane with the forceps handles, a plane with mouths of the claw hooks is parallel to the plane with the forceps handles, a conical groove is arranged on the inner side surface of each claw hook along the length direction of the claw hook, and the grooves on the inner side surfaces of the two claw hooks correspond to each other. The cheekbone positioning fixing apparatus is firm in clamping, cannot slip, guarantees surgery quality, shortens surgery time, can well realize that a bone stump of a cheekbone after a part of the cheekbone is cut off is fixed stably and reliable in the facial contouring industry, can utilize absorbent threads or nylon threads to replace steel wires for fixation or miniature titanium steel plate screws for fixation, and eliminates the drawback that metal foreign bodies are remained in the face of a patient forever.

The invention relates to a phacoemulsifmation nucleus chopping hook, belonging to a medical appliance. The phacoemulsifmation nucleus chopping hook comprises a hook handle and a hook head, wherein the hook head is an arc structure; the inner side of the arc bending of the arc hook is configured into a blade, the arc hook is in a semicircular arc shape; the cross section of the arc hook is in a triangle shape; and the bottom side of the triangle is arc. The hook head of the arc hook is long, especially the cross section of the arc hook is configured into the triangle with an arc bottom side; and when the nucleus is thin, a posterior capsule is completely protected from being cut through. The nucleus chopping hook is convenient to operate and easy to hold and is more suitable for medical freshman; and with the adoption of the nucleus chopping hook, operation quality is ensured and increasing of patient pain is avoided.

The invention relates to the field of medical instruments, in particular to a circumcision combined device. The circumcision combined device comprises a bush, a bleeding stop ring, a cutting ring and a fixing ring which are combined in set. The bush is arranged on the inner side of the prepuce, an annular U-shaped bleeding stop groove, a cutting groove and a fixing groove are sequentially formed in the periphery from front to back, and the rear face of the fixing groove is connected with a funnel-shaped handholding part through a tying strap. The distance between the outer edge of the bleeding stop groove and the front edge of the bush ranges from 3 MM to 8 MM. The bleeding stop ring is shaped like the cross-closed Greek letter omega, and the two ends of the bleeding stop ring are folded up outwards and bent into sector pinching and pressing heads. The outer side shape of the cutting ring is the same as that of the bleeding stop ring, at least one arc-shaped cutting blade is arranged on the inner side of the cutting ring, and the planes of the blades are located on the same plane of the axial line of the cutting ring. The shape of the fixing ring is the same as that of the bleeding stop ring. The size of the bleeding stop ring, the size of the cutting ring and the size of the fixing ring are matched with those of the bleeding stop groove, the cutting groove and the fixing groove in the bush. According to the circumcision combined device, the bleeding stop ring is simplified, the fixing ring and the handholding part are additionally arranged, and the surgery time is shortened and the surgery efficiency is improved under the premise that the precision and quality of circumcision surgery are ensured.

The invention relates to an intelligent auxiliary positioning orthopedic surgery robot system and an operation method thereof. The system comprises a robot, a control module for controlling the robot to move, coarse positioning and fine positioning, and terminal service equipment, wherein the robot comprises a base, a lifting mechanism, a lifting rod, a four-section arm, a surgery bed, a camera, a touch screen, a torque sensor and a positioning marking assembly; the control module comprises a motion control module, a coarse positioning module and a fine positioning module; and the terminal service equipment comprises the touch screen, an operation console, a real-time monitoring module and a result storage and output module. The intelligent auxiliary positioning orthopedic surgery robot system is high in intelligent degree, a positioning navigation function can be achieved in an orthopedic surgery, the system precision is high, the positioning accuracy is guaranteed through a coarse positioning and fine positioning mode, the robot serves as an intelligent surgical tool to assist a doctor in completing the surgery, and the quality of the whole surgery is greatly improved.

The invention relates to a doctor operating table for minimally invasive surgery, and solves problems that: existing doctor mechanical arms are complex in structure and large in weight, are greatly influenced by gravity by vertical arrangement, are not easy to operate, easily make doctors tired, and have low motion flexibility and low joint motion accuracy. The table comprises a machine base, a mechanical arm supporting stand column, a doctor mechanical arm and a displayer, the mechanical arm supporting stand column is fixedly connected to the front side of the machine base, the doctor mechanical arm is connected to the mechanical arm supporting stand column, and the displayer is fixedly connected to the rear side of the machine base through a displayer supporting base; the doctor mechanical arm is located between the mechanical arm supporting stand column and the displayer; the doctor mechanical arm comprises a base, a first arm rod, a rotary connecting base, a second arm rod and a wrist, the base is connected to the stand column, the rear end of the first arm rod is connected to the base through a joint, the second arm rod is connected to the rotary connecting base through a joint, and the rotary connecting base is connected to the front end of the first arm rod through a joint; and the wrist is connected to the second arm rod. The table is widely applied to the technical field of medical instruments.

The invention discloses a surgical tool for bone grafting for the osteonecrosis of the femoral head. The surgical tool comprises a guide needle, a trepan, a lining, a knocking rod, a flat-end file, asleeve and a sleeve handle. The surgical tool can be used for implementing the drilling decompression and bone grafting for a series of avascular necroses of femoral heads with the arteriae circumflexa femoris medialis branch intertrochanteric bone flap grafting repair operation for the osteonecrosis of the femoral head as the representative, the operation quality and bone grafting success rate are increased, and the postoperative rehabilitation is facilitated.

The invention relates to a surgical gauze sterilization and storage and picking device capable of working circularly. The control over the disinfection time of gauze and the convenience of picking thegauze of medical staff are realized, the work efficiency is improved, and the quality of operation is ensured. According to the technical scheme, the surgical gauze sterilization and storage and picking device comprises a bottom plate, and a supporting disk is connected with the upper part of the bottom plate. Sliding blocks capable of sliding inside and outside are arranged on the supporting disk, and hinge pins are inserted into the sliding blocks in a penetrating mode. Rotary tables are mounted on the bottom plate, and second through grooves are formed in the rotary tables. First torsion springs are connected between the rotary tables and the bottom plate, and the rotary tables enable the opening directions of the second through grooves to face to the inner side under the action of thefirst torsion springs. Return springs are connected between the sliding blocks and radial through grooves, and wedge-shaped blocks are arranged at the lower ends of the hinge pins. The wedge-shaped blocks can be clamped into the second through grooves to restrict in and out sliding of the sliding blocks, and second torsion springs are connected between the hinge pins and the sliding blocks. Telescopic pins are arranged on excircles, arranged above the sliding blocks, of the hinge pins, and clamping grooves are formed in the side walls of the radial through grooves. The telescopic pins can beclamped into the clamping grooves to realize one-way rotation of a rotating shaft. The surgical gauze sterilization and storage and picking device capable of working circularly is ingenious in structure and novel in design.

The invention discloses a lung cancer tissue separator, and the separator comprises a table top, a transverse moving device, a separating device, a clamping device, a portal frame and an opening device; when a lung cancer tissue separation operation is carried out, a patient needs to lie on the table top, then the portal frame moves to the position over the part, needing the operation, of the patient, and then the separating device is driven to move downwards to a proper position; the distraction device is used for distraction of a surgical incision of a patient and guaranteeing a surgical space, the clamping device located over clamps a focus, the separation device rotates by 180 degrees to cut off a membrane on the outer side of a pulmonary lobe, then the clamping device located on the side clamps pulmonary lobe tissue below the incision, the clamping device located above moves upwards, blunt separation of cancer tissue and normal lung tissue is achieved, blood vessels are exposed, separation of the cancer tissue is completed after the blood vessels are sutured, and the device has the advantages of being high in automation degree, convenient to operate, safe and reliable.

The invention provides a calculus suction mirror for percutaneous nephrolithotomy. The calculus suction mirror mainly comprises a hose wall calculus storage bottle, a calculus stopping filtering net, a hard suction device connection tube, a calculus suction channel, a water inlet channel and a light source channel. In the percutaneous nephrolithotomy, the calculus suction mirror quickly sucks larger-size broken calculus through the built-in calculus channel, is favorable for reduction of postoperative calculus residues and operative complications, can improve the calculus removal rate and has the characteristics of saving the operation time, lowering the operation cost, retaining low pressure in the pelvis, guaranteeing the operation quality and the like; the problems of low calculus taking speed and incapability of suction of the larger-size calculus in the percutaneous nephrolithotomy in the prior art are solved. The calculus suction mirror is reasonable in design, integrates photographing, separation flushing and calculus suction, is suitable for tiny broken calculus suction and larger-size broken calculus suction, and can suck the calculus with the maximum diameter which is 4 times larger than the inner diameter of an ultrasonic detection rod.

The invention relates to the technical field of medical instruments, and particularly discloses a lumbar puncture operating table and a limiting method thereof. The lumbar puncture operating table comprises a supporting frame, a knee limiting device and a back pressing device.The supporting frame comprises a support and a supporting plate horizontally arranged on the support, and the knee limiting device comprises an electric push rod and an isolation body; the fixed end of the electric push rod is fixed to the lower portion of the supporting plate, a via hole is formed in the supporting plate, the telescopic end of the electric push rod penetrates through the via hole and extends upwards, the telescopic end of the electric push rod is sleeved with the isolation body, and a splicing groove is formed in one side edge of the supporting plate in a penetrating mode. The back pressing device comprises a fixing frame, a rotating shaft, a first telescopic mechanism, a second telescopic mechanism, a first splicing plate, a second splicing plate, a rotating mechanism and a pressing mechanism, a patient can be reliably limited, so that the body posture can be kept for a long time, the operation quality is guaranteed, the operation risk is reduced, meanwhile, thelumbar puncture operating table can be used for resting, the patient does not need to be transferred, and the safety is improved.

The invention discloses a knee arthroscope operation stent, which comprises a stent body fixedly connected with an operation table, a rotating disc I fixedly arranged on the stent body, a connecting rod I, a rotating disc II and a connecting rod IV. A locating hole I is arranged at the edge of the rotating disc I, one end of the connecting rod I is hinged to the center of the rotating disc I, a location pin I is arranged on the connecting rod I, and a connecting rod II is fixedly arranged at the other end of the connecting rod I. The rotating disc II is arranged perpendicular to the rotating disc I, a far end of the connecting rod II is hinged to the center of the rotating disc II, a locating hole II is arranged at the edge of the rotating disc II, and a location pin II matched with the locating hole II is arranged on the connecting rod II. A connecting rod III is fixedly arranged on the rotating disc II, one end of the connecting rod IV is hinged to a far end of the connecting rod III, and a fixing sleeve used for fixing ankles is arranged at the other end of the connecting rod IV. Angles at various directions can be adjusted and continuously fixed by the knee arthroscope operation stent according to operation requirements, a continuously stable and reliable operation environment can be provided for medical personnel, operation quality is guaranteed, manpower resources are saved, efficiency is improved, and the knee arthroscope operation stent is simple in structure, convenient to use and easy to manufacture.

The invention provides an electromagnetic tracking base and an electromagnetic tracking system. The electromagnetic tracking base comprises a base body, at least three marking member mounting structures and an identity mounting structure are arranged on the base body, and the marking member mounting structures are nonlinear. The electromagnetic tracking base has the identity mounting structure andthe marking member mounting structures, an electromagnetic identity can be mounted by utilizing the identity mounting structure, and marking balls can be mounted by utilizing the marking member mounting structures, so that relative position relation between the marking balls and the electromagnetic identity is fixed; impact caused by outside environment is avoided, so that electromagnetic tracking positioning accuracy is improved.

The invention discloses a dynamic pedicle screw provided with bayonets with wedge-shaped longitudinal sections on side walls of a screw seat and communicating with side walls as well as a limiting tool which can be edged in the bayonets and limit swing between the screw body and the screw seat by downwards extruding the head of the screw body to eliminate the current situations that as an existingdynamic pedicle screw rod fixing system cannot limit swing between a screw seat and a screw body in a surgery, the screw seat and the screw body cannot still be kept in a coaxial state after openingor pressurizing operation on a fixed section, and the instrument design original intention that the fixed section is still allowed to have flexion and extension movement in a certain range after fixation by the dynamic pedicle screw fixing system. The dynamic screw is temporarily fixed by the limiting tool to form a static screw with the screw body and the screw seat in rigid connection during thesurgery, so that the pedicle screw can apply force in a neutral position where the screw body and the screw seat do not swing at an angle, and after the limiting tool is removed after fixation is completed, the dynamic fixation function of the dynamic pedicle screw can be realized to the maximum extent.

The invention discloses a remote digital tooth implantation method. The method comprises the following steps: obtaining scanning data of teeth of a patient; uploading the scanned data of the teeth of the patient to a design side through a client side; designing a primary tooth implantation operation plan through the design side according to the patient data, and submitting the primary plan to the client side through network; determining the primary plan by the client side, and designing a detailed plan through the design side; designing the detailed plan through the design side, and submitting the designed detailed plan to the client side; observing and examining the detailed plan by the client side; giving specific suggestion; communicating with the design side, and modifying to obtain a final plan; manufacturing an implant and a dental implantation tool; packing whole implantation operation plan and the implant and the tooth implantation tool required for implementing the plan into an integrated operation plan pack; then finishing the clinic tooth implantation operation according to the whole operation plan pack.

The invention discloses a fixing device for lower limb operation. The fixing device for lower limb operation is characterized by comprising a base plate, a first face plate and a second face plate, wherein multiple limiting grooves are formed in the base plate, one end of the first face plate is hinged to the base plate, a popliteal space pillow is arranged at the other end of the first face plate, a traction resetting device is arranged on the first face plate, multiple positioning holes are formed between the popliteal space pillow and the traction resetting device, one end of the second face plate is hinged to the face, deviating from the traction resetting device, of the first face plate, and the other end of the second face plate is clamped and connected to the limiting grooves. The fixing device for lower limb operation is simple in structure and convenient to use, can ensure the operation quality through affected limb fixing, stable traction and accurate resetting, labor is saved, and the labor intensity is reduced.