9 results about "Dynamic fixation" patented technology

The invention relates to the technical field of medical instruments, in particular to an adjustable dynamic fixing brace for postoperative rehabilitation of cervical vertebrae, which comprises a base and a chair body, and further comprises a hydraulic pressure rod, a hydraulic pressure rod, a hydraulic pressure rod and a hydraulic pressure rod, the backrest mechanism is arranged at the top of the base; water in the storage box is heated to 35-40 DEG C through a thermocouple and driven by a pump body to be conveyed to a box body of the power assembly through a conveying pipeline, after blades are pushed to rotate, hot water flows into a liquid passing groove of the heat preservation mechanism through a first backflow pipeline, the flowing time of the hot water in the bottom plate is prolonged through the liquid passing groove distributed in a winding mode, the temperature of the bottom plate is evenly increased, and the heat preservation effect is improved. The detachable ground mat attached to the feet of the patient can transfer heat to the feet mildly, blood circulation is promoted, used hot water flows back to the storage box through the second backflow pipeline to be circularly heated, the comfortable temperature is continuously maintained, the problem of foot cold caused by long-time cervical traction in winter is effectively solved, and the comfort degree in the treatment process is improved.

The utility model discloses an anterior cervical dynamic fixing system which comprises at least two top blocks, a plurality of sliding blocks and at least two connecting rods, two ends of each connecting rod are respectively connected with one top block, the plurality of sliding blocks are suitable for sliding along the axial direction of the connecting rods, and the sliding blocks and the top blocks are respectively connected with a cervical vertebra body through bone screws. The anterior cervical spine fixing device can be clinically assembled according to the requirements of different patients to form products of different specifications and sizes, and the defect that existing anterior cervical spine fixing products are fixed in specification and size and cannot adapt to the body types of all the patients is overcome; meanwhile, after the product is assembled into a fixing system, the middle sliding block has the degree of freedom of sliding in the axial direction of the connecting rod, non-fixed fusion can be achieved, fusion degeneration of the middle segment centrum is avoided, and the function of the cervical vertebra is reserved.

The invention provides a dynamic separable distal tibiofibular syndesmosis injury fixing screw, and belongs to the field of surgical instrument equipment. A recovery channel is arranged in the far-end screw body, a mechanical tension structure is arranged in the recovery channel, the mechanical tension structure comprises a pre-pressing spring and a shear pin, and one side of the shear pin is connected with the near-end screw body; a shearing seam is formed in the connecting position of the shearing pin and the near-end screw body, an open groove is formed in the center of the shearing seam, a blocking piece is arranged in the open groove, a limiting groove is formed in the outer wall of the shearing pin, one end of the pre-pressing spring is connected with the shearing pin, the other end of the pre-pressing spring is connected with a sealed cabin, and a solution capsule is arranged in the sealed cabin. A limiting ring is arranged on one side of the sealed cabin, and a fixing assembly is arranged on one side of the limiting ring; a protective film is arranged on one side of the shearing seam, load triggering separation is achieved through a mechanical tension structure, a secondary operation is avoided through a built-in recovery channel, the sealed cabin can release healing promoting medicine, and the advantages of dynamic fixing and healing promoting are achieved.

The utility model discloses a vibration table convenient to fasten and place, and relates to the technical field of vibration tables, the vibration table comprises a vibration table main body, the four side edges of the vibration table main body are all provided with fastening supports, the tops of the four fastening supports are all provided with top baffle plates attached to the top of an object to be fastened, and the top baffle plates are arranged on the top of the vibration table main body. Supporting assemblies are installed in the four fastening supports. According to the utility model, the omnibearing dynamic fixation of a tested object is realized through an annular surrounding type fastening structure, and the support assembly adopts a screw transmission system driven by double servo motors and is matched with a composite guide mechanism of a limiting chute and a sliding rod, so that the contact plate can be accurately lifted along the vertical direction, and the clamping distance can be horizontally adjusted; and meanwhile, the elastic pressing design of the top baffle and the pressure spring further enhances the stability of the object in the vibration process, and the problem that the object slides or falls off due to the fact that a traditional vibration table is not firmly fixed is effectively solved.

The present application relates to the technical field of spine correction, in particular to a multi-directional resetting and correcting device for spine, which comprises a supporting base, the bottom end of the supporting base is provided with an auxiliary fixing mechanism, the back of the supporting base is provided with a spine correcting mechanism, the inner side of the spine correcting mechanism is provided with a plurality of sets of wedge-shaped locking pin mechanisms, and the inner side of the auxiliary fixing mechanism is provided with an adjusting and positioning mechanism, the cooperation of the auxiliary fixing mechanism and the adjusting and positioning mechanism can realize the multidimensional dynamic fixation of the waist, legs and shoulders of the human body, significantly improve the stability and adaptability of the correcting device, the electric device disc in the auxiliary fixing mechanism can drive the adjustment of the tightening sleeve, realize the flexible fixation of the thighs, prevent the device from sliding up and down during the correction process, and meanwhile, the first electric telescopic rod and the hydraulic telescopic rod are linked to drive the auxiliary pressing plate to self-adaptively clamp the two sides of the waist of the patient, thereby enhancing the lateral stability of the device.

The utility model provides a double-roller dynamic fixation machine, which relates to the technical field of tea processing and comprises a steam fixation device and a roller fixation device. The steam fixation device comprises an inner roller driving motor, an inner roller main chain wheel is fixedly mounted at the output end of the inner roller driving motor, an inner roller driven chain wheel is arranged at the top of the inner roller main chain wheel, and an inner roller chain is arranged on the outer walls of the inner roller driven chain wheel and the inner roller main chain wheel; an inner roller body is arranged outside the inner roller main supporting wheel, and an inner roller driven supporting wheel is arranged at one end of the inner roller body. According to the utility model, through the cooperation of the steam enzyme deactivation device and the roller enzyme deactivation device, secondary enzyme deactivation in the same machine is realized, the problem that the odor of green grass (odor) is not thoroughly deactivated is solved, the three-green quality of the tea leaves is kept while aroma substances in the tea leaves can be effectively converted, and the enzyme deactivation quality of the tea leaves is remarkably improved.

The invention belongs to the technical field of arm constraining devices, and particularly relates to an arm constraining device for hemodialysis in the nephrology department, the arm constraining device comprises a placing box, a placing groove is formed in the top wall of the placing box, the placing box is hollow, dynamic telescopic rods are slidably communicated with the placing groove in an arc-shaped array mode, the dynamic telescopic rods are hollow, and the dynamic telescopic rods are connected with the placing box. The hollow part of the dynamic telescopic rod communicates with the hollow part of the placing box, and a binding belt is fixedly connected to the side wall of one side of the placing box. By means of dynamic fixation triggered by the dead weight of the arm, high-pressure air is automatically injected into the constraint air bag, the arm is pressed by means of pressure generated by expansion of the constraint air bag, overall constraint is formed, the high-pressure air further pushes the telescopic sleeve to stretch out, and the double fixing mechanisms of the constraint air bag and the dynamic telescopic sleeve are adopted, so that the arm of a patient is stably fixed in multiple directions; the fixing head fits the angle of the arm, high-pressure air limits swing, and the head of the patient is stably fixed in multiple directions.

The present application relates to the technical field of medical devices, and discloses a three-dimensional dynamic adjustable fixing brace for the conservative treatment of developmental dislocation of the hip joint of infants, comprising ball shafts rotatably connected to both sides of the double-joint ball socket, a rack arranged on one side of the surface of the ball shaft, and a tension adjusting block sliding rail, a shaft seat and an inner sleeve arranged inside the double-joint ball socket. The present application has a reasonable structure, and through the cooperation of the double-joint ball socket and the ball shaft, the three-dimensional dynamic adjustable fixing brace can realize the flexible adjustment of the multiple degrees of freedom between the back clamping mechanism and the leg supporting structure, can adapt to the leg differences of infants and preschool children of different ages, and can significantly improve the versatility and clinical application range of the device. The unique elastic locking mechanism allows to retain a micro multi-directional movement space within a safe range while ensuring the stability of the hip joint reduction, conforms to the physiological activity needs of infants, and relieves the discomfort and muscle atrophy risk of traditional braces.

The application relates to a dynamic continuous compression intramedullary nail and a use method thereof, and belongs to the medical instrument field. The dynamic continuous compression intramedullary nail comprises a main nail, a fixing through hole for placing a first fixing bolt is arranged on the main nail, a static through hole and a plurality of dynamic through holes matched with the fixing through hole are arranged on the main nail, a compression groove is arranged on the main nail, a compression assembly is arranged in the compression groove, and the static through hole and the dynamic through holes are used for placing second fixing bolts. According to the fracture condition of a patient, the second fixing bolts are placed in the static through hole or the dynamic through holes, the compression assembly continuously compresses the second fixing bolts in the dynamic through holes, the patient is not prone to bone resorption, bone subsidence and other phenomena at two fracture sections of bone healing, and the healing speed is accelerated. The application is especially suitable for ankle joint tibial tarsal calcaneal three-joint fusion fixation, responds to and adapts to the activity change of an ankle joint, achieves a dynamic fixation effect, and is also suitable for femoral head allogeneic material transplantation and other auxiliary fusion operations.