56 results about "Traction Treatment" patented technology

The utility model relates to an adjustable cervical vertebra fixing traction brace which comprises a front half neck support and a rear half neck support. A lower jaw support is arranged on the top of the front half neck support, and sliding protection plates are arranged on the two sides of the lower jaw support respectively. The end, away from the lower jaw support, of the sliding protection plate is further provided with a sliding arc groove. The sliding protection plate is movably connected with the neck front half support through a sliding shaft; an arc-shaped strip with teeth and a height adjusting knob are fixedly mounted on the front half neck support, and an inflating device is further arranged on the rear half neck support; the adjustable neck support has the advantages that the height of the lower jaw support on the front half neck support can be adjusted, and the adjustable neck support can be used by patients with different neck lengths; the arrangement of the fence through holes and the hollowed-out air holes can facilitate ventilation and perspiration of the neck, so that skin diseases and pressure sores caused by the fact that the interior is not ventilated are avoided; meanwhile, the inflation device is arranged, so that traction treatment on the patient can be achieved, and the comfort of the patient can be improved.

The invention discloses a traction device for arthralgia treatment, and relates to the technical field of medical instruments, the traction device comprises a bed board and a supporting column, the bed board and the supporting column are fixedly connected, one side, close to the supporting column, of the bed board is movably connected with a lifting block, and the supporting column is provided with a traction treatment assembly. The first traction rope and the second traction rope are arranged on the limbs of a patient in a sleeving mode, the first sleeve can be pulled in the vertical direction through movement of the first traction rope, the second sleeve can be pulled in the vertical direction through movement of the second traction rope, and a limb binding assembly is arranged on the second sleeve; the rotation of a gear can drive an annular gear to rotate on the inner side of a second sleeve, the rotation of the annular gear can drive a binding rope to wind and bind the limbs of the patient, the starting of a second motor can drive a rotating rod to rotate, the rotation of the rotating rod can wind and unwind the binding rope, and the side, close to the supporting column, of the bed board is fixedly connected with a headrest.

The utility model relates to the field of tractors, in particular to a spine tractor which comprises a seat plate and a back plate, a traction belt is installed on the back plate, a first sliding groove is horizontally formed in the front end face of the back plate, two first sliding blocks which are the same in structure and are symmetrically arranged are connected in the first sliding groove in a sliding mode, and an installation plate is fixed to the front end face of each first sliding block. A rotating column rotationally connected with the mounting plate is embedded in the front end face of the mounting plate, the other end of the rotating column is rotationally connected with a horizontally-arranged first limiting block, the top of the first limiting block is connected with a third limiting block through a telescopic rod, and the end face, away from the rotating column, of the third limiting block is provided with a limiting channel; a second limiting block is fixed to the bottom of the first limiting block. The traction belt pulls the neck of the patient and corrects the spine. The spine traction correction device is simple in structure, low in manufacturing cost, convenient to carry out traction correction on the spine of a patient, convenient to limit the upper body of the patient in spine traction treatment, and particularly suitable for the patient with the spine S-curvature, and the traction treatment effect is improved.

This utility model provides a leg fracture traction device, relating to the field of leg fracture traction devices. The utility model includes a base plate, with a traction device mounted on one side of the base plate. By setting up a traction mechanism, when performing traction treatment on a fracture patient, the injured leg can be fixed to a slide and a fixation frame using a fixing component. Then, according to treatment needs, a self-locking motor is activated to drive a threaded rod to rotate, thereby causing a screw hole block to slide to one end on the inner wall of the base plate. Then, under the pull of a first telescopic rod and a first spring, the slide can move to one end within the inner wall of the base plate. The first spring and the first telescopic rod act as a buffer between the slide and the screw hole frame, preventing excessive traction caused by the screw hole block moving too quickly. This allows the slide to provide flexible traction according to actual usage during the traction process, avoiding secondary injury and improving treatment efficiency.

The present invention belongs to the technical field of traction devices, and specifically relates to an orthopedic traction device, which includes a matching docking mechanism and a flexible liftable traction mechanism. In order to avoid compressing blood vessels during traction and affecting blood circulation, an elastic traction system is provided, and the traction force is adjusted through the transmission mode of a worm and worm gear, which is more labor-saving, and no additional load needs to be prepared for adjustment, which is more convenient; adjacent vibration airbags can alternately support the patient's legs. At the same time, the vibration generated by the vibration airbags will also massage the patient, promote the patient's blood circulation, and relieve discomfort; the matching docking mechanism can be installed on different types of hospital beds, and the patient can be traction-treated without moving the patient; the flexible liftable traction mechanism can be adjusted up and down according to the patient's legs, which is convenient for better supporting the patient's legs and relieving the patient's discomfort.

The present invention discloses an orthopedic traction and reduction bracket, which relates to the technical field of auxiliary medical devices, and includes a supporting component, wherein both sides of the supporting component are provided with a fixing component, and the bottom of the supporting component is provided with a bottom supporting component. According to the present invention, when a patient's tibia and the lower part thereof are fractured or dislocated, medical personnel support and place the patient's leg on a first cushion, and under the action of the weight of the leg, relevant components are actuated, and finally the arc-shaped clamp flips and clamps the leg, and the bandage acts synchronously to strengthen the fixation. When the fixation is released, the leg is lifted, the component rebounds, and the arc-shaped clamp is unfolded to release the fixation on the patient's leg. The operation is convenient, and a lot of time and energy can be saved, which significantly improves the efficiency of traction treatment. The entire operation process is simple and convenient, easy to implement, and can drive the patient's calf flexion training, which is conducive to promoting muscle recovery, preventing joint adhesion and stiffness, and having a significant rehabilitation auxiliary effect.

The horizontal type cervical traction bed comprises a bed body, the head position of the bed body is provided with a head movable bed plate capable of sliding along an arc-shaped track, and the head movable bed plate is connected with the bed body through an arc-shaped sliding rail mechanism arranged below the head movable bed plate; the arc-shaped sliding rail mechanism can be movably adjusted according to the use requirements of a patient; a neck fixing mechanism is arranged above the head moving bed board and used for fixing the head of a patient. According to the horizontal type cervical vertebra traction bed adapting to the physiological curvature of the cervical vertebra, through the unique arc-shaped traction groove design, the natural physiological curvature of the cervical vertebra of the human body can be perfectly matched; in the traction process, traction force can be evenly distributed according to the bending shape of the cervical vertebra and accurately acts on each vertebral body, intervertebral space is effectively expanded, compression of the intervertebral disc on nerve roots and spinal cords is remarkably relieved, and compared with traditional traction equipment, the precision and effectiveness of traction treatment are greatly improved, and a more remarkable symptom relieving effect is brought to a patient.

The invention belongs to the technical field of medical auxiliary equipment, and particularly relates to a pressure balance adjustable orthopedic traction support device which comprises a bed body, two moving grooves distributed front and back are formed in the upper end of the bed body, sliding openings are formed in the two moving grooves, and two body limiting mechanisms distributed left and right are arranged on the bed body. A driving mechanism for driving the two body limiting mechanisms to move is arranged below the bed body, sliding rails which are transversely arranged are fixedly connected to the front end and the rear end of the bed body, sliding sleeves are slidably connected to the two sliding rails through sliding wheels, and a limb traction mechanism is arranged above the bed body; a plurality of positioning tooth grooves are evenly formed in the front end of the sliding rail located in the front, and a locking mechanism is arranged on the sliding sleeve located in the front. The system has the advantages that the complex operation of traditional traction treatment is simplified into an intelligent and adjustable process, safety and comfort are considered at the same time, and a more efficient and accurate solution is provided for fracture treatment.

The lower limb traction device comprises a first fixing piece and a second fixing piece, a connection adjusting assembly is arranged at the bottom of the first fixing piece and comprises a first base plate and a second base plate, the first base plate is detachably connected to the bottom of the first fixing piece, and the second base plate is detachably connected to the bottom of the second fixing piece. The two ends of the surface of the bottom of the first base plate are fixedly connected with one end of a guide sliding rod and rotationally connected with one end of an adjusting screw rod correspondingly, the guide sliding rod is slidably connected into a sliding hole formed in one end of the upper surface of the second base plate, and the adjusting screw rod is in threaded connection into a threaded hole formed in the other end of the upper surface of the second base plate. A Y-shaped connecting piece is integrally arranged in the middle of the upper surface of the second base plate, the second fixing piece is installed on the Y-shaped connecting piece, and through the wearable design, the limitation that a patient must lie in bed in the lower limb traction process is eliminated. And a patient can freely move to a certain extent while being subjected to traction treatment, so that the risk of complications caused by long-term bedridden bed is reduced.

1. The name of this design product: digital display traction frame. 2. Purpose of this product design: to accurately measure the force applied to the human body during traction therapy. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

An improved penile traction device includes at least one generally U-shaped yoke, each U-shaped yoke having a vertex and two arms; at least one flexible and bendable penile ring capable of interfacing with a human penis; and at least one twist lock for constricting the at least one flexible and bendable penile ring. The twist lock includes a base unit having a plurality of cam bodies and a twistable ring which engages the plurality of cam bodies to constrict at least one bendable and flexible penile ring. The improved penile traction device can be used with multiple distraction treatment methods. The invention is also capable of being utilized within specialized vacuum cylinder devices, thus providing two operational attributes in one device—both a vacuum device and a traction device.

This utility model discloses a spinal traction device, relating to the technical field of medical devices. The spinal traction device includes a cephalopelvic ring, a hip semicircular structure, and a tensioning structure. The cephalopelvic ring includes a head ring portion, multiple connecting components, and multiple skull screws. The hip semicircular structure includes multiple transverse screws, two first connecting rods, two left hip semicircular rods, and two right hip semicircular rods. The tensioning structure includes multiple first tensioning rods, multiple tensioning knobs, and multiple second tensioning rods. In the spinal traction device, the head ring portion, connecting components, skull screws, second tensioning rods, tensioning knobs, first tensioning rods, left hip semicircular rods, right hip semicircular rods, first connecting rods, and transverse screws are sequentially combined and connected together, effectively improving the patient's quality of rest during chronic traction treatment.

The utility model discloses an orthopedic nursing traction support, and relates to the technical field of accurate adjusting mechanisms. The device comprises a traction mechanism and a bottom plate, the top of the bottom plate is fixedly connected with an adjusting mechanism, a first threaded rod is arranged, handles on the two sides can be rotated when a proper position is adjusted, then the handles start to drive the first threaded rod to rotate, and then the first threaded rod drives a first sliding block on the surface to start to move; then the medical staff starts to push sliding blocks II and sliding blocks III and screws threaded rods II at two positions into corresponding threaded grooves after the medical staff is adjusted to a proper size, so that fixation can be completed, then the medical staff slides the two supporting frames, and meanwhile, the supporting frames can rotate on the surfaces of rotating shafts, so that the whole supporting frames can slide at the left-right position at will; the experience feeling of a patient is better due to the fact that multiple positions are adjustable, the comfort degree of the patient in the traction treatment period is greatly improved, and the treatment efficiency is greatly improved while the comfort degree is greatly improved.

The invention belongs to the technical field of medical equipment, and particularly relates to tibia and fibula fracture traction reduction equipment which can flexibly and conveniently adjust a hook traction angle according to the state of a patient when the patient is subjected to traction treatment through the arrangement of a telescopic mechanism, an adjusting mechanism and an adjuster, so that the traction requirements of different patients are met, and the traction treatment efficiency is improved. The treatment suitability is improved; by arranging the pressure applying device, the traction force can be applied more stably and conveniently, an external counterweight component is not needed, and the stability and the adjustment convenience of the traction force are improved; the whole device is simple in structure, easy to operate, capable of being used in multiple occasions and convenient to store and carry.

The invention provides a traction device for clinical use in the orthopedics department, and relates to the field of medical instruments, the traction device is characterized in that the traction device comprises a mounting plate, a traction box and a clamping seat, the lower end of the mounting plate is provided with a sliding groove used for being matched with a sliding rail at the upper end of the traction box for sliding positioning connection, and the lower end of the mounting plate is fixedly provided with a pulley used for limiting the mounting position of a traction rod; the traction box is located on one side of the traction rod, a drawing rod is slidably connected to the interior of the traction box, a traction rope is arranged on the side, close to the traction rod, of the drawing rod, the traction rope penetrates through an opening of the traction box and is wound around a pulley to be connected with the traction rod, and the clamping base is located above the mounting plate. A rotating seat is arranged at the lower end of the clamping seat, is rotationally connected with the rotating mounting plate and is used for being matched with the bed frame for fixed connection. The traction device has the advantages that multi-angle adjustment and installation can be carried out, the traction device is more suitable for traction of different trunk positions, meanwhile, traction effect judgment is facilitated, and the overall traction treatment effect is improved.

The utility model belongs to the technical field of medical instruments, and particularly relates to a lower limb traction fixing device for knee joints, which comprises a binding belt and a frame, a support is fixedly mounted on the frame, a pulley is arranged on the support, one end of a traction rope is connected with a weight block, a sliding groove is arranged on the inner side of the frame, a clamping groove is arranged in the sliding groove, and the clamping groove is connected with the traction rope. And a connecting block is arranged in the sliding groove, a limiting assembly is arranged in the connecting block, the other end of the connecting block is connected with a protection plate, and a notch is formed in the protection plate. The weight block can be prevented from being accidentally touched by installing the protection plate, after a traction rope is connected with the weight block, the traction rope is placed in the notch, the weight block is made to be perpendicular to the lower portion of the protection plate, then the protection plate is pushed downwards, the protection plate slides downwards in the sliding groove through the connecting block, and the weight block is prevented from being accidentally touched. The protection plate is moved to the outer side of the weight block to shield the weight block, and the situation that accompanying personnel touch the weight block by mistake in the walking process, and knee joint traction treatment of the patient is affected is avoided.

The utility model relates to the field of medical instruments, and discloses a child lower limb traction treatment device which comprises a base, a supporting frame and a traction supporting rod, the supporting frame is arranged on the base, the traction supporting rod is connected to the supporting frame, and a positioning block used for hanging a bandage is arranged on the traction supporting rod. The child traction device has the effect of improving the convenience of child traction treatment.

This utility model relates to a cranial traction pillow, belonging to the field of medical device technology. It solves the technical problem in existing cranial traction treatments where poor reduction, displacement, or aggravation of cervical vertebral fracture ends due to head swinging or tilting leads to dislocation. The cranial traction pillow includes a traction pillow body, which includes a support surface, a shoulder baffle, and a head and neck receiving groove. The head and neck receiving groove includes a head sliding groove, a headrest groove, and a neck rest groove. The head sliding groove allows the head to slide slightly within the groove under traction force. The groove-like structure of the head sliding groove limits the head, preventing it from swinging or tilting. The headrest groove supports the head and also limits head swinging or tilting. The neck rest groove supports the neck, reducing neck pressure and preventing neck muscle fatigue or injury caused by prolonged traction. Moreover, the neck rest groove prevents neck swinging or tilting, making it less likely for the head to swing or tilt, thus reducing the aggravation of cervical vertebral fracture end displacement or dislocation.

The invention relates to the technical field of cervical traction treatment, in particular to an intelligent traction therapeutic instrument which comprises a controller, a support, a traction instrument and a chair. A bracket is arranged between the two controllers; the bracket is provided with a plurality of traction instruments which are distributed in a transverse array; and a plurality of chairs are placed between the two controllers and correspond to the traction instruments one by one. The curiosity and attention of children are attracted through the thick flannelette with the animation patterns, so that the children can watch or embrace the thick flannelette with the animation patterns under the driving of the curiosity, and the effect of relieving the mood of the children is achieved in the aspects of psychology and body; when a plurality of children are subjected to traction treatment at the same time, under the combined action of the stand column, the limiting roller, the first guide roller, the second guide roller and the guide roller, a plurality of independent treatment areas are formed through thick flannelette, the sight lines of the children in the adjacent treatment areas are shielded through the thick flannelette, and mutual interference of the children in the adjacent treatment areas is avoided.

The invention belongs to the technical field of medical equipment, and discloses a bone traction treatment device integrated with a heel lifting function, which comprises a bed body, an intermediate plate is rotatably arranged on the bed body, and a tail plate is rotatably arranged on the intermediate plate; an adjusting mechanism is fixedly arranged on the bed body and is in transmission connection with the middle plate; a turnover mechanism is arranged on the middle plate and is in transmission connection with the tail plate; the turnover mechanism drives the tail plate to turn over; a lifting mechanism is arranged on the tail plate, and the heel is lifted through the lifting mechanism; an adjusting assembly is arranged on the bed body, a pulley is fixedly arranged at the lower end of the adjusting assembly, a steel wire rope is arranged on the pulley, and a balancing weight is arranged at the lower end of the steel wire rope; and a monitoring mechanism is fixedly arranged on the bed body. Through the combined design of the adjusting mechanism, the turnover mechanism and the lifting mechanism, the angle heights of the middle plate, the tail plate and the foot base plate can be adjusted; abnormal conditions are recognized in time; and comprehensive assessment and risk pre-judgment are carried out on the bone traction treatment condition.

1. The name of this design product: Lower limb rehabilitation traction frame (orthopedics). 2. Purpose of this design product: used for traction treatment of the patient's lower limbs. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The utility model relates to the field of medical instruments, in particular to a penis traction treatment device. Comprising a connecting ring and a penis traction assembly, the connecting ring is in a circular ring shape, the penis traction assembly is located on the connecting ring, the penis traction assembly comprises two sliding plates and two connecting plates, the sides, close to each other, of the two sliding plates are fixedly connected with the outer wall of the connecting ring, sliding holes are formed in the side faces of the connecting plates, and the inner walls of the sliding holes are slidably connected with the sliding plates; an annular air bag is fixedly connected to the inner wall of the connecting ring. Compared with the prior art, the penis traction treatment device has the advantages that before a penis filling operation is carried out, medical staff can conveniently pull and straighten the penis of a patient, so that the medical staff can more easily evaluate the shape and the size of the penis, accurate positioning and distribution of filling materials in the operation process are ensured, and the operation efficiency is improved. And the penis of the patient is limited through the annular air bag, so that the penis can be prevented from being extruded and damaged.

The invention belongs to the technical field of medical traction equipment, and discloses cerebral palsy traction treatment equipment which is characterized in that sliding blocks are arranged on the inner bottom wall of a device box in an opposite sliding mode, a first hydraulic unit is arranged on the upper wall of the sliding block on one side, a second hydraulic unit is arranged on the upper wall of the sliding block on the other side, and the first hydraulic unit is connected with the second hydraulic unit through a pipeline; a connecting frame is fixedly arranged on the inner top wall of the device box, a hydraulic cylinder is horizontally and fixedly arranged in the connecting frame, a muscle retraction signal of a patient is converted into an electric signal according to the mechanical linkage triggering principle, an oil way is automatically closed, emergency pause is achieved, and excessive traction injury is avoided; based on the Pascal principle, two-way synchronous precise traction is achieved through a symmetrical hydraulic system, and linear stretching of the spine is ensured; a one-key reset safety mechanism based on the negative pressure adsorption principle is adopted, the operation process is simplified, the device can quickly respond to the state of a patient, and the safety, effectiveness and efficiency of treatment are remarkably improved.

The invention relates to the technical field of spine traction treatment, in particular to vertical spine traction treatment equipment which comprises a base assembly, a stand column assembly is fixed to one side of the upper end of the base assembly, a pushing and lifting plate is slidably mounted in the stand column assembly, a notch is formed in one side of the pushing and lifting plate, and a hoisting mechanism is mounted on the pushing and lifting plate. And the lifting mechanism is provided with an armpit binding belt assembly. During actual operation, the waist binding belt assembly and the armpit binding belt assembly can be fixedly connected with the waist and the armpits of a patient correspondingly, the patient can be synchronously lifted, the waist position can be controlled so that the armpit positions can be continuously lifted, and traction and stretching operation on the patient can be fully completed; therefore, traction treatment can be effectively carried out on the spine.

The utility model provides a fixing clamp for an orthopedic traction frame, which belongs to the technical field of medical instruments and comprises a guide rail, a fixing block sleeved on the outer surface of the guide rail, a first screw rod connected to an inner cavity of the fixing block through threads, a fixing knob fixedly mounted at the bottom of the first screw rod and a translation component arranged on the surface of the fixing block. And the clamping assembly is arranged on the surface of the translation assembly. Through the arrangement of the translation assembly which comprises the guide rail, the fixing block, the lead screw, the sliding block, the adjusting component, the connecting component, the traction component and the like, the functions of adjusting the horizontal distance and locking are achieved, so that the fixing position and angle can be accurately adjusted according to the specific requirements of a patient, the individuation degree and efficiency of treatment are improved, and the treatment cost is reduced. The traction force is applied more stably and uniformly, the discomfort of a patient is reduced, meanwhile, the accuracy and safety of traction treatment are improved, and more comfortable and effective treatment experience is provided for the orthopedic patient.

The invention particularly relates to a slidable embedded tooth traction device combining a digital model with CBCT, the slidable embedded tooth traction device comprises a guide bracket, a tongue side buckle and a traction rope, both sides of the guide bracket are provided with profiling gear rings, the guide bracket is slidably connected with a traction slip ring, the traction slip ring is in threaded connection with a first screw, and the traction slip ring is in threaded connection with a second screw. The traction sliding ring is fixedly connected with the guide support through a first screw, a positioning cylinder is arranged on the traction sliding ring, a traction hook is inserted into the positioning cylinder and composed of an insertion rod and a hook, the traction rope is arranged on the tongue side buckle and the hook in a sleeving mode, a screw hole is formed in the insertion rod, and a second screw is connected to the screw hole in a threaded mode. The embedded tooth traction device has the advantages that the slidable traction sliding ring and the detachable traction hook are arranged, adjustment in the three-dimensional direction can be conducted along with the traction treatment course of embedded teeth, the discomfort of a patient in the treatment course can be reduced, and the traction accuracy and efficiency of the embedded teeth are improved.

The invention relates to a novel fracture traction power machine which comprises a support and a traction machine. Clamping structures are arranged at the two ends of the bracket; a machine base is rotationally connected to the support, and the traction machine is arranged on the machine base. And a braking structure is arranged on the bracket and is used for braking the rotary connection between the machine base and the bracket. The multifunctional stretcher is simple in structure and convenient to carry, and can be used in various scenes such as a stretcher, a traction bed and a common sickbed; the multifunctional level and the safety guarantee of the tractor are improved as much as possible while parts required by traction treatment are reduced.

The utility model discloses a lower limb traction device, which relates to the technical field of medical instruments and comprises a traction rope, a lifting unit, a clamping unit, a pressure sensing unit and a control unit. The pulling rope is used for pulling lower limbs; the lifting unit is connected to a bed tail; the clamping unit is arranged at the upper end of the lifting unit and is used for clamping the traction rope; the pressure sensing unit comprises a rope passing barrel and a plurality of pressure sensors; the pressure sensors are evenly distributed on the inner wall of the rope passing barrel, and the traction rope penetrates through the rope passing barrel. The lifting unit, the clamping unit and the pressure sensing unit are all connected with the control unit. According to the lower limb traction device, instant dragging force is not prone to being generated on the lower limbs of a patient in the traction process, traction treatment is safer, the functional positions of the lower limbs of the patient can be better kept, and dislocation is not prone to occurring.

The invention discloses a cervical vertebra electric traction chair, and relates to the field of cervical vertebra nursing, the cervical vertebra electric traction chair comprises a chair main body, the top of the chair main body is provided with a top block, the front part of the top block is fixedly connected with a connecting frame, one end of the bottom of the connecting frame is provided with a spring, the bottom of the spring is provided with a tray, and the top of the connecting frame is provided with a left-right traction structure; the left-right traction structure comprises two cables, two pairs of fixing blocks are fixedly connected to one end of the top of the connecting frame, wire coils are rotationally connected into each pair of fixing blocks, the two cables are wound on the outer surfaces of the two wire coils respectively, a steel block is fixedly connected to the bottom end of a spring, and a connecting sleeve is fixedly connected to the bottom of the outer surface of the steel block. The outer surface of the connecting sleeve is fixedly connected with two first connecting blocks. By arranging the left traction structure and the right traction structure, stiffness and aching pain of neck muscles are effectively relieved, comprehensiveness and comfort of traction treatment are enhanced, and the composite rehabilitation effect of combining static traction and dynamic movement is achieved.

This invention provides a dental instrument and its design method, as well as a mounting platform design method. The dental instrument includes a shell-shaped orthodontic appliance and a traction device. The shell-shaped orthodontic appliance is a cavity that accommodates multiple teeth. A mounting platform protrudes from the outer surface of the shell-shaped orthodontic appliance, and the mounting platform has a mounting surface that cooperates with the traction device. The mounting surface is angled to the arch curve section corresponding to the teeth being accommodated. When the dental instrument is worn intraorally for traction, the axis of the traction device undergoes three-dimensional angular compensation, reducing the torsional force generated by the interaction between the traction device and the mounting platform on the shell-shaped orthodontic appliance. The dental instrument provided by this invention can perform angular compensation according to the traction direction of the traction device, making the force on the dental instrument during traction treatment more consistent with the treatment plan and improving treatment accuracy.