209 results about "Component fixation" patented technology

The utility model discloses a hemodialysis catheter interface fixing structure which comprises a supporting plate and a plurality of fixing assemblies used for fixing a hemodialysis catheter, detachable bandage assemblies are arranged on the left side and the right side of the supporting plate, and the fixing assemblies are installed on the supporting plate through installation assemblies. The detachable bandage assembly comprises an installation groove formed in the front face of the supporting plate, the installation groove penetrates through the supporting plate front and back, an installation block is inserted into the installation groove, a middle rod is fixedly connected between the front face and the back face of the inner wall of the installation block, and the surface of the middle rod is sleeved with a bandage. According to the fixing structure for the connector of the hemodialysis catheter, the bandage is designed to be of a structure capable of being detached from the supporting plate, only the installation block needs to be inserted into the installation groove during installation, only the limiting block needs to be pressed during detachment, operation is convenient and rapid, and therefore the bandage can be replaced and cleaned after being polluted.

The invention discloses a fixer for a gynecological tumor source applicator, and belongs to gynecological radiotherapy equipment. Comprising a fixing assembly, a first limiting assembly and a second limiting assembly. The fixing assembly comprises a fixing band and airbags, two ends of the fixing band can be bonded, and the airbags are symmetrically arranged on the inner side of the fixing band; the first limiting assembly comprises ball seats, a limiting rod, a connecting rod and an elastic limiting pad, the two ends of the limiting rod are connected with the ball seats, the ball seats are connected with the fixing band, the connecting rod is arranged on the ball seats in a swinging mode and is perpendicular to the limiting rod, and the bottom of the connecting rod is connected with the elastic limiting pad; the second limiting assembly comprises a guide rod and a limiting support, the guide rod penetrates through the connecting rod and is connected with the fixing belt, the limiting support is in damping sliding connection with the guide rod, and the limiting support is used for limiting the elastic limiting pad. The fixing belt and the air bag are matched with each other, so that the fixator can be stably fixed to the hipbone position of a patient, and the elastic limiting pad has a limiting effect on the rod body at the tail of the source applicator.

An apparatus includes a fixation portion configured to be affixed to a bone surface within a recipient's body. The apparatus further includes a mounting portion connected to the fixation portion, the mounting portion configured to hold a component within the recipient's body. The mounting portion includes a collar configured to extend at least partially around the component and a reservoir configured to receive an adhesive material within a predetermined volume at least partially bounded by an inner surface of the collar and an outer surface of the component.

This invention relates to the field of implant bridging technology, specifically to a bridging-type implant superstructure restoration. It includes a support layer structure, which is fixed to the jawbone by a plurality of implant screws rotatably mounted below it. A plurality of crowns are mounted above the support layer structure, with the support layer structure positioned between the crowns and the jawbone. The support layer structure absorbs part of the occlusal impact force generated by the crowns from top to bottom. Fixing components are disposed inside the crowns, securing them above the support layer structure. The fixing components are coaxially arranged with the implant screws. The support layer structure, through the fixing components, restricts the installation orientation of the crowns, ensuring that the crown axis remains parallel to the jawbone surface. The lower and upper clamps of this invention are fixedly connected by two staggered support rods. When the lower and upper clamps approach each other, they compress the two support rods, causing lateral deformation and absorbing the occlusal impact force.

The present application belongs to the field of medical devices, and relates to an ablation needle positioning support, comprising a support body, a limiting component and a support leg component. The limiting component is fixed to the support body and is used for limiting the movement of the ablation needle in a preset direction; the support leg component comprises a plurality of support legs mounted on the support body, and at least part of the support legs are movably connected with the support body so as to be able to adjust the relative position and / or angle with the support body. The support body of the present application establishes support on the surface of the human body, and at least part of the support legs are movably connected with the support body, so that the adaptation of the skin curve at different positions of the human body can be realized. The limiting component can establish the limitation on the ablation needle, limit the movable direction of the ablation needle, and significantly reduce the difficulty of keeping the ablation needle stable after puncture.

The utility model provides a trachea cannula fixing structure, which relates to the technical field of trachea cannula fixing and comprises a fixing plate, an open slot formed in the middle of the fixing plate, connectors mounted on two sides of the outer end of the fixing plate and a fixing component arranged in the open slot. The fixing assembly comprises a left fixing clamping block, a right fixing clamping block, a movable rod, an L-shaped pull block, a limiting groove, a through hole, a pressing block, a spring and a locking assembly arranged on the outer side of the open groove. According to the trachea cannula fixing structure, the fixing assembly can clamp and fix the trachea cannula, the trachea cannula is fixed in the open groove, the problem that the trachea cannula is prone to loosening when bound with a rope traditionally is solved, the trachea cannula is clamped and fixed, and it is ensured that the trachea cannula is stably used; the movable rod and the opening groove can be locked and fixed through the locking assembly, the situation that the left fixing clamping block and the right fixing clamping block push the movable rod to move due to the fact that the trachea cannula is pulled is avoided, and the trachea cannula is prevented from loosening.

The auxiliary fixing device comprises a supporting frame, a two-way threaded rod is rotationally installed on the inner wall of the supporting frame, guide rods are arranged at the two ends of the two-way threaded rod, and the guide rods are fixedly installed on the inner wall of the supporting frame; the two-way threaded rod rotationally penetrates through the supporting frame and is fixedly connected with an output shaft of a motor, the motor is fixedly installed on the surface of the supporting frame, the outer sides of the two ends of the two-way threaded rod are sleeved with adjusting blocks in a threaded mode correspondingly, the adjusting blocks slidably sleeve the outer sides of the guide rods correspondingly, and sliding grooves are formed in the two sides of the supporting frame correspondingly; one end of the adjusting block is fixedly connected with the fixing bandage, the other end of the adjusting block is fixedly connected with the locking assembly through the connecting plate, and the locking assembly is used for fixing the fixing bandage. The problems that in the prior art, fixation is not firm, adjustment cannot be achieved, comfort is poor, and observation is inconvenient are solved.

The utility model relates to the field of nursing materials, and discloses a novel adjustable medical supporting belt which comprises an elastic belt, an adjusting assembly is arranged on the outer wall of the elastic belt and comprises a T-shaped block, the front end of the T-shaped block is fixedly connected to the rear end of the elastic belt, the outer wall of the elastic belt is connected with a fixing plate in a sleeved mode, and the fixing plate is fixedly connected with the T-shaped block. A supporting block is installed at the front end of the fixing plate, a fixing assembly is arranged at the right end of the elastic band and comprises a rotating plate, the bottom end of the rotating plate is hinged to the position, close to the right end, of the bottom end of the elastic band, a rubber strip is fixedly connected to the front end of the rotating plate, the fixing assembly further comprises a fixing block, and the bottom end of the fixing block is fixedly connected to the top end of the elastic band. According to the utility model, the length of the extending part of the elastic band can be adjusted by adjusting the different T-shaped blocks to be clamped into the T-shaped grooves, meanwhile, the stacked elastic band can be put into the storage groove to complete storage, and the elastic band storage device can adapt to different users by adjusting the length of the extending part of the elastic band.

The utility model relates to the technical field of medical instruments, in particular to an auxiliary fixing device for mammary gland minimally invasive postoperative nursing, which comprises two groups of fixing covers which are connected with each other, two groups of fixing components are symmetrically arranged on two sides of each fixing cover, the fixing covers are fixed on limbs of a patient through the fixing components, and the fixing covers are fixed on the limbs of the patient through the fixing components. An extrusion assembly is arranged in each fixing cover; the fixing assemblies are arranged on the two sides of the fixing cover, the rotating rods are continuously driven by restoring force of torsion springs in the fixing assemblies to reset and rotate in the fixing seats, and clamping blocks on the fixing plates are clamped with clamping grooves at a time, so that the fixing cover is worn on limbs of patients of different body types, and the patients can wear the fixing cover more conveniently and rapidly; and during use, the fixing cover is not easy to slide and slide down, so that the normal working activity of the fixing cover is not influenced.

The utility model relates to the technical field of medical instruments, in particular to a physical therapy device for knee rheumatism bone diseases, which comprises a kneecap body, the kneecap body comprises a kneecap shell, fixing components are fixedly mounted on two sides of the inner wall of the kneecap shell, each fixing component comprises a fixing block, and the fixing blocks are fixedly connected with the inner walls of two sides of the kneecap shell. A cross-shaped sliding groove is formed in the middle of the kneecap shell, a supporting plate is movably installed in a cavity of the cross-shaped sliding groove, protruding strips are arranged on the upper surface and the lower surface of the supporting plate in a cross-shaped mode, the protruding strips are matched with the cross-shaped sliding groove in size, a replacement assembly is detachably installed at the bottom of the supporting plate and comprises a rubber plate, and the rubber plate and the supporting plate are detachably installed. A massage head is movably mounted at the bottom of the rubber plate. The protruding strips on the upper surface and the lower surface of the supporting plate are matched with the cross-shaped sliding grooves in size, stability and accuracy of the supporting plate in the moving process are guaranteed, and the massage heads can be designed into various shapes so as to meet massage requirements of different users.

The utility model relates to the technical field of medical instruments, in particular to a neuroendoscopic abrasive drill with a water injection pipe fixing device, which comprises a handle component, an outer sleeve rod, an abrasive drill, a guide seat and a water injection joint, and the guide seat and the water injection joint are arranged at the front end of the outer sleeve rod. A fixing device is arranged on the outer sleeve rod and comprises a hoop fixedly arranged on the outer sleeve rod in a sleeving mode and a fixing assembly installed on the hoop. The fixing assembly comprises an outer shell, a fixed inner sleeve, a movable sleeve and a nut, the fixed inner sleeve is provided with a center channel for the water injection pipe to penetrate through, elastic grabbing clamps which are annularly and evenly distributed are arranged at one end of the fixed inner sleeve, the movable sleeve is slidably arranged on the fixed inner sleeve in a sleeving mode, and the nut is in threaded connection with the fixed inner sleeve. The nut is screwed to push the movable sleeve to axially move and extrude the elastic gripper, so that the elastic gripper is forced to radially contract, and the water injection pipe is firmly clamped. Adhesive tape is replaced by a mechanical buckle type structure, so that an external water injection pipe is quickly and reliably clamped and released, displacement or falling of a pipeline in an operation is avoided, and the flushing effect and the operation safety are guaranteed.

The utility model relates to the field of medical instruments, in particular to a fixing device for a central venous catheter, which comprises a fixing band and a fixing component, the fixing component is arranged on the surface of the fixing band, the fixing component is used for detachably connecting two sides of the fixing band to form a closed ring, and the fixing device further comprises a reinforcing band, one end of the reinforcing belt is connected with the front face of the fixing belt, the other end of the reinforcing belt is detachably connected with the front face of the fixing belt, and the fixing belt and the reinforcing belt are made of soft materials. The fixing band is fixed to the proper position of the arm of a patient through the fixing assembly, then the central venous catheter can be inserted into the corresponding position of the arm and located in the groove, the central venous catheter is preliminarily fixed through the C-shaped pipeline clamp in advance, and then the central venous catheter is secondarily fixed through connection of the reinforcing band and the fixing band. In the process, fixation is stable, and meanwhile adverse effects on a patient cannot be caused.

The utility model discloses a medical oncology drainage tube fixing patch which comprises a fixing assembly, a fixing component and a fixing component, and the fixing assembly comprises a medical bottom film; the limiting assembly comprises a connecting frame, a limiting groove, a threaded rod, a limiting frame and a bearing; the connecting frame is installed on the upper surface of the medical bottom film, the limiting grooves in each group are formed in the two sides of the outer surface of the connecting frame, the threaded rod penetrates through the outer surface of the connecting frame, the limiting frame is connected to the lower surface of the threaded rod, the bearing is installed at the lower end of the outer surface of the threaded rod, and one side of the outer surface of the limiting frame is fixedly connected with a first connecting plate. A first spring is fixed to one end of the outer surface of the first connecting plate, a first pressing plate is fixed to the lower surface of the first spring, and a second connecting plate is fixedly connected to the other side of the outer surface of the limiting frame. The drainage tube fixing device has the advantages that the drainage tube can be flexibly fixed according to the thickness of the drainage tube, the stable position of the drainage tube in the body of a patient is ensured, and the risk of complications caused by displacement or falling of the drainage tube is reduced.

The invention relates to a special thread on-site screwing-on anti-damage device and a screwing-on operation method.The special thread on-site screwing-on anti-damage device comprises a lifting assembly, a slip assembly, a compensation tension spring and a balance plate, and the lifting assembly is connected with the bottom face of the balance plate; the two ends of the compensation tension spring are fixedly connected with the top face of the balance plate and the slip assembly respectively. The device has the beneficial effects that after the lifting assembly moves the to-be-screwed-on oil casing to a proper position, the self weight of the to-be-screwed-on oil casing is balanced with the elastic force of the compensation tension spring, so that the to-be-screwed-on oil casing can easily float up and down in a short distance near a pair of wellhead tongs. The oil casing to be screwed on can be easily adjusted in a small range at a wellhead, one operator can complete the adjustment and screwing-on work, and the success rate of screwing-on is high.

The application belongs to the technical field of medical treatment and specifically relates to an auxiliary instrument for chest trauma repair, which comprises a main body, a wearing assembly, a fixing assembly fixedly connected to the rear side of the wearing assembly, a replacement assembly, a covering assembly fixedly connected to the wearing assembly, a displacement assembly fixedly connected to the middle part of the covering assembly, a massage assembly fixedly connected to the wearing assembly and a medicine releasing assembly fixedly connected to the wearing assembly. The auxiliary instrument can quickly disassemble and replace the cloth adhering to the wound, can electrically massage the muscles near the wound, can adjust the electric shock position according to the size of the wound, can continuously release medicine to the wound, can continuously treat the wound with the medicine and can improve the recovery effect.

The utility model relates to a deep venous catheter connector fixing patch, and relates to the technical field of medical articles. The fixing patch is used for being attached to the skin of a patient, the gauze sleeve is used for being sleeved with a catheter connector, and the gauze sleeve is movably arranged on the fixing patch; a fixing assembly is further arranged on the fixing patch, and the fixing assembly is used for fixing the gauze sleeve and the catheter connector; the catheter connector further comprises a movably-arranged hasp piece, one end of the hasp piece is pasted on the skin of a patient, the other end of the hasp piece is pasted on the gauze sleeve or the fixing assembly, and the hasp piece is used for covering the leakage end opening of the catheter connector. The guide pipe connector has the effect that the guide pipe connector can be conveniently cleaned and replaced.

The utility model provides a pedicle screw implantation guider. The pedicle screw implantation guider comprises a fixed guide rod, a sliding guide rod and a moving assembly. A positioning piece is arranged at one end of the fixed guide rod and used for being in positioning fit with a screw tail of an implanted screw, and the length direction of the fixed guide rod is the same as that of the screw. The sliding guide rod is provided with a first sliding piece, the first sliding piece is matched with the fixed guide rod in a guiding mode, and the sliding guide rod is perpendicular to the fixed guide rod. Due to the structural design of the guider, no matter how the fixed guide rod moves, the movable guide rod is always parallel to the fixed guide rod. The bone structure of a patient is not changed before and during the operation, so that for the vertebral pedicle, the included angle of the vertebral pedicle on the two sides of the same section of vertebral body is not changed, the direction of the vertebral pedicle on one side is used as a reference to determine the direction of the vertebral pedicle on the other side, interference of the posture of the patient, operation anesthesia and other factors is avoided, and the accuracy of the screw placement direction is higher. Positioning is more accurate, and operation safety can be improved.

This invention relates to the field of medical catheter fixation devices, specifically providing a neonatal prone endotracheal tube fixation device, comprising a catheter fixation assembly and a fixation strap. The fixation strap includes a horizontal fixation strap and a central overhead fixation member. The central overhead fixation member includes an overhead strap and an elastic protruding tube. The upper part of the elastic protruding tube is connected to the upper front part of the overhead strap, and the lower end of the elastic protruding tube is connected to the catheter fixation assembly. The horizontal fixation strap has a mouthpiece hole in the middle, and connectors are connected to both ends. The outer side of the middle part of the horizontal fixation strap is connected to the catheter fixation assembly, and the two ends of the horizontal fixation strap are connected to each other through connectors and to the lower rear part of the overhead strap. This invention can be used for both oropharyngeal and nasotracheal tube fixation, providing more stable fixation and less pressure.

The invention relates to the technical field of planting bridges, in particular to a bridge type implant upper combined prosthesis. The dental implant comprises a supporting layer structure, the supporting layer structure is fixed on a jaw bone through a plurality of implant screws rotationally arranged below the supporting layer structure, a plurality of dental crowns are arranged above the supporting layer structure, the supporting layer structure is arranged between the dental crowns and the jaw bone, and the supporting layer structure absorbs part of occlusion impact force generated by the dental crowns from top to bottom. Fixing assemblies are arranged in the dental crown, the dental crown is fixed above the supporting layer structure by the fixing assemblies, the plurality of fixing assemblies and the plurality of implant screws are coaxially arranged, and the supporting layer structure limits the mounting direction of the dental crown through the fixing assemblies, so that the axis of the dental crown is parallel to the jaw bone surface. The lower clamping plate and the upper clamping plate are fixedly connected through the two staggered supporting rods, and when the lower clamping plate and the upper clamping plate get close to each other, the two supporting rods can be extruded to generate transverse deformation, and the occlusion impact force is absorbed.

The utility model belongs to the technical field of mechanical arm shells for treating breast fibroadenoma, and discloses a mechanical arm shell for treating breast fibroadenoma. The manipulator shell for breast fibroadenoma treatment comprises a fixing plate and a shell assembly, a penetrating groove is formed in the fixing plate, the shell assembly comprises a shell body and a manipulator inspection window, and the shell body is detachably connected to the fixing plate in a sleeving mode. The fixing plate and the shell assembly play a role in protecting and fixing the manipulator; the inner cavity of the shell body is matched with the peripheral shape of the manipulator, so that the position of the ultrasonic probe mounted on the manipulator relative to the shell body is accurate; the shell main body is sleeved on the fixing plate, so that the position of the ultrasonic probe relative to the fixing plate is accurate; the penetrating groove of the fixing plate directly faces the notch of the mammary gland coil, it is guaranteed that the position of the ultrasonic probe relative to the notch of the mammary gland coil is accurate, and therefore the accuracy of the treatment range of the ultrasonic probe is guaranteed. And the manipulator is convenient to inspect and maintain by disassembling the manipulator inspection window.

The utility model relates to the technical field of medical instruments, in particular to a root canal file holder. Comprising a handle end and a fixing assembly, the fixing assembly comprises a fixing sleeve, a movable rod, a fixed clamping sleeve, a movable clamping sleeve, a limiting spring, a shifting ring and a fixing piece, the fixing sleeve is fixedly connected with the handle end, the movable rod is slidably connected with the fixing sleeve and the handle end and penetrates through the fixing sleeve and a cavity, and the fixed clamping sleeve is fixedly connected with the fixing sleeve. The movable clamping sleeve is fixedly connected with the movable rod and located on the outer side wall of the movable rod, the shifting ring is movably connected with the handle end and located in the through groove, the shifting ring is further fixedly connected with the movable rod, the limiting spring is fixedly arranged in the cavity and fixedly connected with the shifting ring, and the fixing piece is arranged on the outer side wall of the handle end and movably connected with the shifting ring. Through the arrangement of the structure, the root canal file can be stably fixed, shaking is prevented, and treatment of the oral cavity of a patient is facilitated.

The invention relates to the technical field of assembling equipment, and particularly discloses a fixing and combining device for butterfly wing non-damage needles, which comprises first operating frames, an infusion tube arranged between the two first operating frames, a clamping plate arranged on the outer wall of the infusion tube, a clamping groove formed in the inner wall of the clamping plate, a needle body inserted into the top of the infusion tube, and a clamping block arranged on the top of the needle body, an operation frame II is arranged at the tail part of the clamping block; the operation assembly is arranged on the outer wall of the clamping plate, the infusion tube is fixed through the operation assembly, and the assembling stability of the infusion tube and the needle body is improved; the butt joint condition and the assembling difficulty of the needle body are monitored through the monitoring assembly, the heating temperature of the heating assembly is adjusted according to the assembling difficulty, and the higher the assembling difficulty of the needle body is, the higher the heating temperature of the heating assembly is, so that the heating temperature of the heating assembly can be adjusted along with the assembling difficulty of the needle body; the risk of deformation caused by continuous high-strength heating of the heating assembly is reduced, the insertion difficulty of the needle body is reduced, and the assembly efficiency is improved.

The utility model relates to the technical field of medical instruments, in particular to a movable integrated puncture table. Comprising a supporting rod, a moving assembly fixedly arranged at the bottom of the supporting rod, a plurality of hooks fixedly arranged at the top of the supporting rod, a first sliding groove formed in one side of the supporting rod, and a puncture table assembly arranged in the first sliding groove in a sliding mode. The puncture table assembly comprises a base, the device comprises a sliding piece, a first rotating piece, a second rotating piece, a puncture table support and a puncture table. Wherein the sliding piece is arranged in the first sliding groove in a sliding mode, one side of the first rotating piece is fixedly arranged on one side of the sliding piece, and one side of the second rotating piece is fixedly arranged on the other side of the first rotating piece; the nursing bed is simple in structure and easy to operate, and the working efficiency of medical staff and the medical experience of patients are effectively improved.

The utility model provides a surgical instrument table which comprises fixing assemblies installed on the two sides beside a surgical bed respectively, supporting assemblies are installed in the fixing assemblies in a penetrating and inserting mode, instrument tray assemblies are installed at the top ends of the supporting assemblies, U-shaped fasteners are adjusted to the abdomen of a patient, the positions of the U-shaped fasteners are fixed by screwing abutting bolts, and then the U-shaped fasteners are fixed. The use height of the supporting rod is adjusted after the supporting rod is inserted into the inserting hole, then the abutting bolt is screwed, the supporting rod can be fixed in the mode, then the instrument tray body is arranged on the top of the supporting rod, the top end of the supporting rod is inserted into the sleeve, and therefore installation of the instrument table is completed. Due to the fact that the instrument tray body is arranged at the abdomen of the patient, operation in the operation cannot be affected when the head of the patient is subjected to an operation, meanwhile, the instrument table can ascend and descend along with an operating bed, instruments can be conveniently taken in the operation, the instrument table is easy and convenient to disassemble and assemble, and meanwhile the instrument table does not occupy a large space after being disassembled and is convenient to store.

The utility model discloses an abdominal cavity drainage device which comprises a drainage tube, a drainage bottle and a fixing assembly, the fixing assembly comprises a fixing belt, a bottom plate is arranged on the fixing belt, and a through hole is formed in the middle of the bottom plate; a base limiting ring is arranged on the bottom plate, a protective cover body is in threaded connection with the base limiting ring, a fixing ring plate is in threaded connection with the protective cover body, a cylindrical fixing block is rotatably sleeved with the fixing ring plate, and the drainage tube is fixedly sleeved with the fixing block. The protective cover is ingenious and reasonable in structural design, the portion, close to a puncture opening, of the flow guide pipe is fixed to the protective cover body, the protective cover body is fixed to the base limiting ring through the fixing plate, the base limiting ring is stably worn on a human body through the fixing band, and therefore the protective cover body stably covers the puncture position, and the puncture position is not prone to falling off. The puncture position can be protected, the drainage tube close to the puncture opening can be prevented from being pulled or scraped, and therefore the risk that the drainage tube close to the puncture opening shakes or is pulled out can be reduced.

The utility model discloses a gingival dilator for oral care, which relates to the field of medical instruments and comprises a fixing plate, a bearing component mounted on the outer side of the fixing plate, a supporting component mounted on one side of the bearing component, an air bag mounted in the middle of the bearing component, an inflation component for providing inflation and contraction gas for the air bag, and a clamping component. The air bag is installed on one side of the bearing assembly, the bearing assembly and the supporting assembly can be fixed through the clamping assembly, and the bearing assembly can be separated or closed through the air bag under the action of the inflation assembly; according to the gingival distraction device for oral care, through independent movement of the supporting assembly and the bearing assembly, supporting of teeth of patients with different tooth shapes is achieved, stable opening and closing of the supporting plate and the pressing plate are controlled through the air bag, manual operation steps of doctors are reduced, the concentration of the doctors is improved, and meanwhile the comfort level of the patients is increased.

The present application relates to the technical field of intramedullary nail, in particular to a proximal femur anti-rotation intramedullary nail, which comprises a round rod, an auxiliary rotating assembly is arranged in the inside of the round rod, a fixed assembly for fixing the rotating angle of two ends is arranged at the upper end of the round rod, a shielding assembly is arranged at the upper end of the fixed assembly, the rotating assembly comprises a round cavity arranged in the inside of the round rod, rotating grooves are arranged at both ends of the round rod, a round rod is rotatably connected in the inside of the rotating groove, a ring groove is arranged on the outer wall of the round rod, the fixed plug fixed on the surface of the sleeve ring is inserted into the insertion hole, the fixed plug is inserted into the rotating groove and adheres to the round rod, the round rod is fixed in the inside of the rotating groove through the fixed plug, the rotating angle of the distal end rotating block and the proximal end rotating block can be fixed, the rotating of the distal end rotating block and the proximal end rotating block in the femur can be prevented, the friction between the intramedullary nail and the internal tissue of the bone can be effectively prevented, and a series of influences caused by the friction of the internal tissue of the bone can be avoided.

The embodiment of the application provides a dustproof medical lifting device, which comprises a lifting assembly capable of being telescoped; a fixing cylinder having a mounting cavity and an opening provided along the length direction of the fixing cylinder, the opening being communicated with the mounting cavity, and the lifting assembly being mounted in the mounting cavity; a mounting frame partially extending into the mounting cavity from the opening and being fixedly connected with the lifting assembly; a dustproof assembly comprising a dustproof belt, an upper roller set and a lower roller set, the upper roller set and the lower roller set being arranged in the mounting cavity, the dustproof belt being arranged around the upper roller set and the lower roller set and capable of covering the opening, the mounting frame being further fixedly connected with the dustproof belt, and the dustproof belt being moved around the roller set along with the up-down movement of the mounting frame; the upper roller set and the lower roller set each comprising at least three rollers, so that the bending angle of the dustproof belt is obtuse; and a tensioning mechanism being capable of moving at least one roller, so as to adjust the tightness of the dustproof belt. The dustproof medical lifting device in the embodiment can solve the problems of dustproof, cleaning and disinfection of the medical lifting device.

The invention provides a lower limb fracture external fixation carrying device for pre-hospital emergency treatment, and relates to the technical field of limb restraint equipment. Comprising a fixing plate and a fixing assembly, the fixing assembly comprises a plurality of limiting plates and connecting belts, transverse through grooves are formed in the limiting plates, and the connecting belts sequentially penetrate through the transverse through grooves of the limiting plates; filling pads are arranged on the inner sides of the limiting plates, and the multiple filling pads are connected through communicating pipes; the filling pad is connected with an inflation mechanism; compared with the prior art, the device is simple in structure and convenient to use, limbs of a patient can be effectively restrained and fixed, the resistance psychology of the patient is effectively reduced, and the patient is prevented from being injured.

The invention discloses orthopedic nail taking equipment and a using method thereof, and relates to the technical field of medical nail taking devices.The orthopedic nail taking equipment comprises a nail taking device used for fixing the end of a bone nail and stably moving the bone nail out, the nail taking device comprises a mounting shell and a fixator, one side of the mounting shell is of an opening structure, and a positioning opening is formed in the other side of the mounting shell; the fixator comprises a fixing shell, a mounting piece and a rotary nail clamping assembly, the fixing shell is clamped in the positioning opening, the mounting piece is mounted on one side of the fixing shell, the mounting piece is clamped in the mounting shell, the rotary nail clamping assembly is arranged in the fixing shell, and the rotary nail clamping assembly is used for clamping, fixing and loosening the end of the bone nail. The exposed part of a forearm bone nail of a patient can be fixed through the nail taking device and the positioning assembly, the bone nail can be driven to rotate and be separated from a forearm muscle adhesion position when the bone nail is automatically fixed through the rotating nail clamping assembly, and meanwhile the pulling-out angle of the bone nail can be limited; therefore, the muscle of the patient can be prevented from being torn and damaged when the nail is taken.