152 results about "Fixation stability" patented technology

The invention relates to the technical field of orthopedic biomedical treatment, in particular to a proximal humerus fracture intramedullary bone cement supporting rod. The bone fracture plate comprises a bone fracture plate body, a plurality of first connecting holes and a plurality of second connecting holes are formed in one side of the bone fracture plate body in a penetrating mode, and solid bone nails are arranged in the first connecting holes. According to the device, bone cement is injected into a marrow cavity from an injection molding channel and an injection molding opening and then solidified into a rod body, the marrow cavity space is tightly filled, supporting structures are synchronously formed on the inner side and the outer side of the humerus through cooperation of a bone fracture plate and a bone cement supporting rod in the marrow cavity space, and therefore stress generated when arms of a patient move is evenly dispersed on the two sides of the humerus; the fixing stability is remarkably improved, the risk of internal fixation failure such as steel plate displacement and screw cutting is effectively reduced, and the bone cement supporting rods can further prevent displacement of fracture blocks, promote fracture repair, relieve extrusion and friction of surrounding tissue of a filling position, reduce inflammatory response and postoperative pain and improve the rehabilitation comfort of a patient.

The utility model relates to a construction fixing device which comprises a main barrel, a sliding rod slidably connected to the main barrel and an adjusting screw driving the sliding rod to move, the adjusting screw is rotationally connected to the main barrel, a threaded hole for containing the adjusting screw is formed in the sliding rod, and the adjusting screw is in threaded connection in the threaded hole. The adjusting screw rod rotates to enable the sliding rod to slide; a first clamping assembly is arranged on the main cylinder body, the first clamping assembly comprises a first connecting block arranged on the main cylinder body and a first clamping plate arranged on the first connecting block, a second clamping assembly is arranged on the sliding rod, and the second clamping assembly comprises a second connecting block arranged on the sliding rod and a second clamping plate arranged on the second connecting block; a sliding groove for the sliding rod to slide is formed in the main cylinder body, guide protrusions are arranged on the two sides of the sliding rod, and guide grooves for containing the guide protrusions are formed in the groove wall of the sliding groove. The material fixing device has the effect of conveniently fixing materials, and the fixing stability of the materials is improved.

The invention discloses a fixing device for osteoporotic fracture, which comprises a tightening mechanism and a mounting mechanism, the tightening mechanism comprises a fixing plate and a fixing cylinder, the fixing cylinder is welded on the left side of the fixing plate, and a plurality of partition plates are uniformly welded in the fixing cylinder. According to the fixing device for the osteoporotic fracture, stable fixation is provided for the osteoporotic fracture part through the tightening mechanism, the loosening problem caused by infirm fixation is avoided, fracture healing is facilitated, the ratchet wheel is installed on the outer ring of the rotating shaft to be matched with the pawl, and the fixing stability is further guaranteed; the fixing effect is prevented from being affected by loosening of the lacing rope caused by reverse rotation of the rotating shaft, the fracture position of the leg of a patient can be conveniently installed and fixed through the installation mechanism when the leg of the patient is fractured and the leg is inconvenient to lift, operation of medical staff is facilitated, and through cooperative use of a ratchet wheel and a pawl, the fixing stability is guaranteed, and meanwhile the fixing effect is improved. And the fixing device can be conveniently and quickly loosened in emergency, so that the safety of the patient is guaranteed.

The utility model discloses a combined packaging support for a cab and a tail of a pickup truck, which relates to the technical field of vehicle transportation and comprises a packaging support bottom plate, two anti-skid tracks are fixedly mounted on the top surface of the packaging support bottom plate, and a plurality of locking mechanisms and clamping mechanisms are arranged above the packaging support bottom plate. The locking mechanism comprises a locking box, the clamping mechanism comprises a fixing box fixedly connected with the locking box, and an adjusting plate is slidably connected into the fixing box. Through the arrangement of the locking mechanism and the clamping mechanism, the locking mechanism can complete the locking operation on the pickup truck tire, the clamping mechanism can clamp the two sides of the tire, the fixing stability of the device on the pickup truck tire is effectively enhanced, the fixing effect is good, the stability is high, operation is relatively simple, the protection effect of the device is enhanced, and the safety of the device is improved. And the device can better adapt to the sizes and shapes of different tires, and the applicability of the device is improved.

The utility model relates to unmanned plane hang mounting device technical field especially, it relates to a kind of quick-release type mounting rack of unmanned plane material transport, solve the technical problem that existing unmanned plane material transport mounting rack dismounts complicated, poor fixing stability, including mounting main body frame, main bearing plate, quick-release connecting component and locking screw;The installation side of mounting main body frame is equipped with slide rail groove structure, main bearing plate length side is inserted into slide rail groove and is limited to move;Quick-release connecting component is inserted from side and is spliced with main bearing plate, locking screw realizes integral fixation;Mounting main body frame is assembled by main body frame and mounting main body platform, slide rail groove includes carding slot and end main body, quick-release connecting component is adapted with strip insertion hole;The utility model is positioned by slide rail and cooperates with quick-release structure, dismounts quickly, positioning accurate, connection is stable, is applicable to unmanned plane material transport mounting, simple structure and high reliability.

The utility model belongs to the technical field of C-shaped beam fixing, and particularly relates to a C-shaped beam fixing device for an automobile suspension, which comprises a bottom plate, a C-shaped beam and a screw, a plurality of fixing plates are fixedly mounted on two sides of the C-shaped beam, one end of the screw penetrates through the fixing plates and is in threaded connection with the bottom plate, and the C-shaped beam fixing device further comprises a limiting component used for preventing the screw from rotating. And the limiting assembly is arranged on the fixing plate. A threaded groove is formed in the top end of the bottom plate, and one end of the screw is connected into the threaded groove in a threaded mode. According to the C-shaped beam fixing device, by arranging the limiting assembly, the effect of limiting the position of the screw can be achieved, then the screw can be prevented from rotating automatically, the phenomenon that the screw loosens due to vibration of an automobile can be avoided by preventing the screw from rotating automatically, and therefore the fixing stability of the C-shaped beam can be improved.

The utility model discloses a clamping type nut which comprises a clamping lock assembly and an inner nut assembly, the clamping lock assembly is composed of a square plate, a first side plate, a second side plate, an installation mechanism and a round hole, a first supporting plate and a second supporting plate in the installation mechanism are arranged on the two sides of the square plate respectively, and a first bending piece is arranged at the bottom of the first supporting plate; the top of the inner nut is a square table, and a bottom step is square, triangular, round, hexagonal and the like; according to the utility model, the inner nut assembly is limited by the clamping and locking assembly, the mounting mechanism is matched with the first side plate and the second side plate to fix the inner nut assembly at the bottom of the square plate, and the first warping plate and the second warping plate are warped into the mounting groove positions through the warping rods to fix the nut structure during use; after fixation, the clamping and locking assembly is prevented from being stressed and deformed through mutual cooperation of the mounting groove position, the first bending part and the second bending part, the inner nut assembly is prevented from being disengaged, and the fixing stability of the clamping type nut is guaranteed; meanwhile, the overall structure is simple, the clamping and locking assembly can be formed through one-time punching in the production process, and the production cost of products is reduced.

The utility model provides a cast-in-place pile multidirectional fixing plate, which relates to the field of constructional engineering and comprises a guide support ring and a support fixing device. The supporting ring frame is connected with the guiding supporting ring in a welded mode. The supporting and fixing device comprises a rotating disc, a support, a sliding block, a threaded rod, a fixing supporting plate, a turning cover, a clamping rod, a fixing sleeve and a clamping bolt. The rear end of the threaded rod is connected with a rotating disc in a welded mode. A sliding block is welded to the lower side face of the support and connected with a clamping bolt in a screwed mode. A turning cover is hinged to the upper side face of the fixed supporting plate, a fixed sleeve is hinged to the front end of the fixed supporting plate, and a clamping rod is meshed with the inner side face of the fixed sleeve; through the arrangement of the threaded rod, the fixing supporting plate, the clamping rod and the turning cover, it is guaranteed that the vertical central axis of the reinforcement ring cage and the central axis of the hole accurately coincide, the fixing stability of the reinforcement ring cage is improved, and the problem that due to the fact that a traditional cast-in-place pile reinforcement ring cage fixing structure is unstable, the reinforcement ring cage and the hole site center cannot accurately coincide is solved.

The fruit tree grafting assistor with the automatic positioning function comprises an outer lantern ring, a position adjusting sliding groove is formed in the inner wall of the outer lantern ring, the front end of the outer lantern ring is connected with an inner lantern ring in an inserted mode through the position adjusting sliding groove, and the outer lantern ring and the inner lantern ring form a plurality of fixing sleeve pieces. The upper side of the center of the rear end of the outer lantern ring and the upper side of the center of the front end of the inner lantern ring are both connected with angle adjusting bases, angle adjusting insertion holes vertically penetrate through the interiors of the two angle adjusting bases, the lower ends of the two angle adjusting bases are both connected with angle adjusting pull belts, and the two angle adjusting pull belts are located between the two angle adjusting insertion holes. The telescopic nested lantern ring design is adopted, diameter adjustment is achieved through sliding fit of the inner lantern ring and the outer lantern ring, scions and rootstocks of different thicknesses can be tightly attached, and the adaptive capacity is improved. The telescopic nested type lantern ring has the advantages that the telescopic nested type lantern ring design is adopted, the diameter adjustment is achieved through sliding fit of the inner lantern ring and the outer lantern ring, and the telescopic nested type lantern ring can be tightly attached to the scions and the rootstocks of different thicknesses. The anti-skid latch structure on the inner wall of the lantern ring ensures firm fixation, avoids displacement, and improves the fixing stability.

The invention relates to the technical field of medical auxiliary equipment, in particular to an intramedullary supporting device for proximal humerus fracture repair, which comprises an intramedullary nail part and a sighting device, the intramedullary nail part comprises a proximal connector and a main nail, and an elastic release assembly is arranged on the proximal connector; the near-end connector is fixedly connected with an upper connecting seat, and the main nail is fixedly connected with a lower connecting seat; a rotating hinge shaft, a locking screw and a ratchet wheel hinge assembly are arranged between the upper connecting seat and the lower connecting seat, a rotating hole is formed in the upper connecting seat, and an adjusting hole is formed in the lower connecting seat; locking screw holes are formed in the upper connecting base and the rotating hinge shaft, and a plurality of locking grooves are formed in the lower connecting base. Through the separated intramedullary nail design, the ratchet wheel damping type hinge piece is combined to achieve intraoperative dynamic gradient adjustment of the main nail near end and the main nail in-vitro turning angle, and the humerus pitch screw is combined to fix the posterior inner side cortex of the humerus head so as to adapt to the anatomical difference of the individual humerus, and the fixing stability is improved.

The application relates to the field of medical devices, in particular to a ligament fixation screw. The ligament fixation screw comprises a shank, a cap and a washer; the cap comprises an end plate and a guide pipe arranged on one side of the end plate, a boss and a wire pressing groove are arranged in the guide pipe; a wire pressing head corresponding to the wire pressing groove is arranged on the washer, and the wire pressing head exerts extrusion force on an implant when the wire pressing head cooperates with the wire pressing groove; the implant extends to the space between the washer and the end plate and is fixed; the shank penetrates through the washer and is screwed with the cap. The unique structural design effectively improves the fixing stability and operation convenience of the implant and prolongs the service life of the device.

The utility model relates to the technical field of passive exercise training equipment, and discloses a lower limb passive joint motion range and gait training instrument for small animals, which comprises a base and a support frame fixedly connected to the top end of the base, a movable fixing mechanism is arranged at the top end of the base, and an adjusting limiting mechanism is arranged above the movable fixing mechanism. A shifting plate is shifted to drive movement and extrudes a first spring at the same time, so that the outer wall of a clamping block is separated from the inner wall of a clamping groove, then a limiting plate is pushed forwards to drive a sliding plate to move forwards, then the legs of a rat are placed in the sliding plate, the shifting plate is loosened, and the first spring rebounds to push the clamping block to move, so that the clamping block is clamped to the inner wall of the clamping groove; then a limiting plate is pulled to drive a sliding plate to move, at the moment, the inner wall of a clamping groove extrudes the outer wall of a clamping block till the clamping block moves into the proper clamping groove, and therefore the leg of the rat is fixed, and the fixing stability of the leg of the rat in the rehabilitation moving process is guaranteed.

The invention discloses a 3D printing method for an osteogenesis technology and a personalized box-type titanium plate, and relates to the field of manufacturing of medical instruments, and the 3D printing method specifically comprises the following steps: S1, obtaining and preprocessing three-dimensional data of a jaw bone of a patient; s2, three-dimensional reconstruction and virtual repair of an ideal contour before bone defect; s3, digitally designing the personalized box type titanium plate; s4, the personalized box type titanium plate is manufactured through 3D printing; and S5, clinical application in an operation. According to the 3D printing method for the osteogenesis technology and the personalized box-type titanium plate, the personalized box-type titanium plate can be passively placed in place in an operation, that is, the shape of the personalized box-type titanium plate is naturally matched with a bone defect area, and an ideal bone arch outline can be perfectly recovered after the personalized box-type titanium plate is placed. The dependence on the personal skill of doctors is reduced, the operation result has predictability and repeatability, and the fixing stability of the box-type titanium plate is far better than that of a bone block because the box-type titanium plate is directly fixed on the residual healthy basal bone through the screws.

The utility model discloses a split type big toe carbon structure and a running shoe in the technical field of running shoe soles, the split type big toe carbon structure comprises a split type half sole part and a heel part which are integrally formed, the opposite ends of the split type half sole part and the heel part are curled, the split type half sole part is used for supporting a half sole, the heel part is used for supporting a rear sole, and the half sole part and the heel part are integrally formed. A middle waist part is formed at the position where the split half sole part and the heel part are arranged, the split half sole part comprises a first toe part, a first arch bridge section is formed at one end of the first toe part, and split carbon columns which are integrally formed are welded to the top of the split half sole part and the top of the heel part. The opposite ends of the split type half sole part and the heel part are in the curled shape, the curled split type half sole part and the heel part can form a wrapping type positioning structure, the fixing stability of the front end and the rear end of the foot sole can be improved, the foot sole can be prevented from turning on one side by arranging the integrated outer waist climbing carbon plate, and the movement stability is improved.

The present application relates to the technical field of artificial implant medical device surface modification and middle ear hearing reconstruction, and discloses a processing method for enhancing the fixing stability of an artificial auditory ossicle prosthesis, the prosthesis and application. The method comprises the following steps: after the surface of the auditory ossicle prosthesis in contact with the middle ear tissue is cleaned, a polydopamine layer is formed in a basic dopamine solution, then gelatin, hyaluronic acid or cellulose sulfate is connected to the surface of the polydopamine layer through a carbodiimide activation system to form a viscous functional layer, and the dry sponge-like structure is obtained through freeze-drying. The functional layer can quickly rehydrate and restore the adhesion state after contacting with human blood or tissue fluid, thereby improving the fixing stability of the artificial auditory ossicle prosthesis in the initial implantation stage and reducing the risk of displacement or dislocation.

The utility model relates to the technical field of alloy material processing, in particular to a double-screw-hole rear sweeping cutter which comprises a cutter bar, the cutter bar comprises a cutter body, a groove is formed in the cutter body, and two threaded holes penetrating through the cutter body are formed in the groove; the blade is installed in the groove and comprises a blade body, tool bits are arranged at the two ends of the blade body respectively, two through holes matched with the threaded holes are formed in the blade body, the two tool bits are symmetrically distributed about the central axis of the blade body, each tool bit is provided with a receding face and a diagonal plane, and a cutting head is formed between the receding face and the diagonal plane; the number of the screws is two, the two screws sequentially penetrate through the through hole and the threaded hole from outside to inside, and the blade is fixed to the cutter bar. The rear sweeping knife is simple in structure, reasonable in design, long in service life, good in stability, high in yield of cut products and worthy of vigorous popularization and application, and the rear sweeping knife can be used on the two sides and is fixed through double screw holes.

The present disclosure provides a spinal fixation device, including a spinal fixation pedicle screw and an outer oval sheath. The spinal fixation device is provided with at least one locking structure and the outer oval sheath is locked to the spinal fixation pedicle screw through the at least one locking structure. The spinal fixation device can strengthen the stability of the spinal fixation pedicle screw for fixation after implantation in vertebrae during the spinal surgery.

The utility model provides an acromioclavicular joint memory fixator, which relates to the technical field of acromioclavicular joint memory fixators and comprises a lath-shaped fixator spindle, a plurality of groups of clavicle embracing branches, acromion locking branches, clavicle tooth-shaped fixing hooks and acromion arc-shaped fixing hooks. The clavicle tooth-shaped fixing hook and the acromion arc-shaped fixing hook are fixed to the two ends of a batten of the fixator main shaft respectively. The clavicle tooth-shaped fixing hook can be embedded into the clavicle; the clavicle embracing support is fixed on the middle section of the fixator main shaft to deviate from the clavicle section; the acromion locking branch is L-shaped; the L-shaped end of the acromion locking branch is connected with the middle section of the batten of the fixator main shaft; the angle between the acromion locking branch and the extending direction from the fixator main shaft to the acromion arc-shaped fixing hook is 21-25 degrees. The memory fixator for the acromioclavicular joint solves the problem that an acromioclavicular joint fixator in the prior art is poor in stability after fixation, and the fixing stability of the acromioclavicular joint can be improved.

The utility model relates to the technical field of scrapped motor vehicle recovery processing, in particular to an auxiliary fixing mechanism for disassembling a scrapped motor vehicle, and aims to improve the automation degree and the adjusting precision in the disassembling process. The mechanism comprises a lifting top plate and a plurality of groups of automatic adjusting baffle plate modules. The transverse guide rail module and the longitudinal guide rail module are arranged on the lifting top plate, and the baffle module is driven by the first lead screw module and the second lead screw module to conduct accurate position adjustment. The baffle module comprises a tail end adjusting platform and a telescopic device driven by an electric cylinder, fine position adjustment is supported, the device adapts to different vehicle types and sizes, and the vehicle fixing stability and the disassembling work accuracy are ensured. By means of the design, the operation efficiency is improved, manual intervention and potential safety hazards are reduced, the adaptability of the device to various scrapped motor vehicles is enhanced, and the device has the advantages of being firm, durable, high in cost benefit, easy and convenient to maintain and the like and is particularly suitable for the requirement for efficiently treating a large number of scrapped vehicles.

The utility model provides a side slope fixing device which comprises a fixing device body matched with a side slope plate, the fixing device body comprises an anchor rod, the anchor rod is fixedly sleeved with a pressing plate, the bottom of the pressing plate is movably connected with the top of the side slope plate, and a mounting groove is formed in the top end of the anchor rod; two transverse inserting and fixing mechanisms are arranged in the mounting groove, a thread driving mechanism is arranged in the mounting groove, extrusion rods are arranged on the inserting and fixing mechanisms, and the top ends of the extrusion rods are rotationally connected with the thread driving mechanism. Through cooperation of a thread driving mechanism, an extrusion rod and a transverse inserting and fixing mechanism, the multiple inserting rods can be driven to be transversely inserted into soil, transverse limiting of the anchor rod is achieved, the meshing force between the anchor rod and the soil after the anchor rod is vertically inserted is increased, and therefore the road holding force of the anchor rod is improved, and the situation that the anchor rod is loosened in the using process is reduced; the fixing stability of the side slope plate is improved, stable fixing of the anchor rod is achieved, and the situation that the anchor rod loosens in the using process is reduced.

This invention provides a pediatric flexible intramedullary nail, belonging to the field of medical device technology. The pediatric flexible intramedullary nail provided by this invention includes a linear nail portion, a fixation plate, and fixation screws. The fixation plate is located at the lower end of the linear nail portion, and two sets of fixation screws are mounted on the fixation plate, penetrating the fixation plate from its left side wall. An implantation segment is provided at the upper end of the linear nail portion away from the fixation plate, and an implantation guide surface is provided on the side wall of the implantation segment. The cross-sectional area of ​​the implantation segment is smaller than that of the linear nail portion. This pediatric flexible intramedullary nail, with its fixation plate and two sets of fixation screws, effectively improves fixation stability, facilitates surgical operation, reduces incision notches, minimizes foreign body discomfort, and the implantation guide surface facilitates the implantation of the flexible intramedullary nail.

The utility model provides a fixing carrier of a quartz boat, which relates to the technical field of quartz boats and comprises a carrier plate and a quartz boat body, clamping blocks are fixedly mounted on two sides of the quartz boat body, a fixing plate is fixedly mounted at the top of the carrier plate, a clamping groove is formed in the inner side of the fixing plate, and a sliding groove is formed in the top of the carrier plate. The clamping block on one side of the quartz boat body is clamped into the clamping groove in the fixed plate, the rotating block is rotated after clamping, the threaded rod is driven by the rotating block to rotate in the carrier plate, and the threaded rod drives the sliding plate to slide in the sliding groove in the rotating process. The sliding plate can drive the clamping sleeve to move together in the sliding process, the clamping sleeve can be attached to the clamping block on the other side of the quartz boat body after moving by a certain distance, the quartz boat body can be fixed after attachment, and the fixing stability of the quartz boat body is greatly improved through the fixing mode; and the quartz boat body is effectively prevented from being easily shaken during transportation or processing.

The utility model discloses a blood pressure monitoring device for community hypertensive patients, relates to the technical field of medical equipment, and aims to solve the technical problem that a cuff part of an ambulatory blood pressure monitor is poor in fixing stability, the blood pressure monitoring device comprises blood pressure monitoring equipment, the blood pressure monitoring equipment is connected with an air pipe, and the other end of the air pipe is connected with a cuff part. A plurality of connectors are connected to the two ends of the cuff part, a plurality of flexible ring bodies are arranged on one sides of the connectors, gap connecting rods are fixed among the ring bodies, a plurality of anti-falling structures are arranged on the peripheries of the ring bodies, notches are formed in the ring bodies, and tensioning structures are arranged at the positions of the notches. Through the flexible metal material of the ring body and the connection of the connector and the gap connecting rod, the sleeve can be bent and changed according to the situation, then through the matching of the one-way bearing and the rubber sleeve, the tensioning of the stretching rubber band and the adjustment of the tensioning structure, the applicability is improved, and the sleeve has the advantages of improving the stability of the sleeve belt part and being convenient to use. And the anti-falling advantage is achieved.

The application discloses a lamina fixation plate system, a preparation device and a preparation method, and belongs to the technical field of medical instruments. The system comprises a central main body, two side wings and an adjustable connecting mechanism; the side wings are arranged on the two sides of the central main body respectively, the adjustable connecting mechanism connects the side wings and the central main body and allows the side wings to adjust the position and / or angle relative to the central main body; the adjustable connecting mechanism comprises various structures such as an arc-shaped sliding groove matched with an arc-shaped adjusting block, an elastic neck portion or a sliding hole matched with an adjusting rod; the side wings are provided with inverted taper bone screw holes, and the lower surfaces are provided with anti-skid teeth; the central main body is provided with a detachable drug sustained-release carrier and an auxiliary fixing interface for connecting a nail rod system. The application realizes the accurate adaptation of the side wings and the lamina stump through the adjustable connecting mechanism, enhances the fixing stability through the inverted taper holes and the anti-skid teeth, reduces the revision difficulty through the reversible dismounting design, and integrates the functions of drug sustained release and collaborative connection with the internal fixation system.

The utility model discloses a protection structure of big bottle frame belongs to big bottle frame protection technical field, and its technical scheme main points include bottom plate, the top fixedly connected with protection mechanism of bottom plate, the front side fixedly connected with auxiliary mechanism of protection mechanism, protection mechanism includes three groups of bottle frame, support, connecting rod, support rod, two groups of sliding block, nylon bandage and hoop, three groups of bottle frame fixedly connected at the top of bottom plate, the support is fixedly connected at the front side of three groups of bottle frame, support rod fixedly connected between support and bottle frame, two groups of sliding block swing joint in the front side inner wall of bottle frame, through the cooperation of protection mechanism and auxiliary mechanism, and nylon bandage, hoop can fix big bottle, and the sliding structure of sliding block and sliding rod can adapt to different size bottles, and promote fixed stability, and the counterweight and base enhance bottle frame overall anti-overturning ability, and rubber pad reduces the friction damage of bottle and bottle frame.

The utility model relates to the technical field of orthopedic instruments, in particular to a foldable orthopedic implantation titanium plate which comprises a first titanium plate body and a second titanium plate body which are arranged in a turnover mode, the first titanium plate body and the second titanium plate body are both semicircular sheet bodies and are connected through a hinge mechanism, and protrusions are arranged on the upper end face of the first titanium plate body and the upper end face of the second titanium plate body in a protruding mode. A first threading hole is formed in the protrusion of the first titanium plate, a second threading hole is formed in the protrusion of the second titanium plate, when the first titanium plate and the second titanium plate are flattened, the two protrusions are spliced to form a limiting protruding part, and the first threading hole is communicated with the second threading hole. The method has the effect of improving the fixing stability of the acromion.

The utility model provides a device for assisting intraoral positioning and bonding of a periodontal splint or a lingual retainer, which comprises an intraoral positioning mechanism fixedly connected with the periodontal splint and a handle by taking the periodontal splint as an example, the intraoral positioning mechanism comprises a buckle and a retention rod, one end of the buckle is fixedly connected with the tongue side of the periodontal splint, the other end of the buckle is clamped on teeth, the retention rod is fixedly connected with the tongue side of the periodontal splint, an insertion hole is formed in the retention rod, an insertion rod at one end of the handle is inserted into the insertion hole, the insertion rod cannot rotate in the insertion hole, and the other end of the handle is bent and extends out of the mouth; after the periodontal splint is positioned and adhered to the tongue side of the tooth by using the device, the intraoral positioning mechanism is separated from the periodontal splint in a cutting manner. By using the device, a doctor can easily adjust the position of the periodontal splint or the lingual retainer through the handle outside the mouth, so that the periodontal splint or the lingual retainer can be accurately attached to the lingual side of teeth, the positioning precision and the fixing stability of the periodontal splint are improved, and the treatment effect is improved.

The utility model discloses a scissors lock catch structure in the technical field of scissors lock catches, which comprises a lock catch mechanism for fixing scissors, the scissors comprise a first blade, a second blade and a pin shaft, and the first blade is hinged with the second blade through the pin shaft; the locking mechanism comprises a connecting block, a buckling plate and a screw rod, the connecting block is fixedly connected to the end of the first blade, the buckling plate is slidably connected into the connecting block, the buckling plate is of an L-shaped structure, the end of the second blade is fixedly connected with a cutter handle integrated with the second blade, a clamping groove is formed in one side of the cutter handle, one end of the buckling plate is inserted into the clamping groove in a matched mode, and the other end of the buckling plate is connected with the screw rod in a matched mode. And the upper side of the other end of the buckle plate is fixedly connected with a sliding block which is in threaded connection with the screw rod. The utility model has the advantages that the buckle plate can be driven to be inserted into the clamping groove by rotating the knob in the embodiment of the utility model, the first blade and the second blade are locked and fixed, the operation is simple and convenient, and the stability of locking and fixing the first blade and the second blade through mechanical limiting is high.

The utility model relates to the technical field of pipeline equipment supporting and fixing, and discloses a water pump water outlet elbow stabilizing support which comprises a bent pipe, hoses are fixedly connected to the two ends of the bent pipe, and flange plates are fixedly installed at the other ends of the two hoses. According to the stabilizing support for the water outlet elbow of the water pump, through the combination of the designed arc-shaped clamp and the rubber pad, the fixing stability of the elbow is improved, abrasion and scratching caused by hard contact are avoided, the service life of the elbow is effectively prolonged, and meanwhile, due to the combined action of the U-shaped frame, the bottom plate, the buffer rod and the spring, the stability of the elbow is improved. A stable supporting system is formed, various vibrations and impacts from a pipeline can be resisted, stable operation of the elbow under complex working conditions is ensured, vibration energy in a pipeline system can be effectively absorbed and dispersed through the arranged hose due to flexibility and elasticity of the hose, and when a water pump operates, the generated vibrations and impacts can be absorbed by the hose, so that the water pump is prevented from being damaged. Therefore, the influence on the elbow and a connecting pipeline thereof is reduced.

The utility model relates to the technical field of spinal cord electrical stimulation postoperative fixing instruments, in particular to an electrode fixing band for spinal cord electrical stimulation, which comprises a main waistband and an auxiliary waistband detachably connected with the main waistband. The auxiliary waistband comprises an electrode fixing section, a wound covering section and a sliding plate located between the electrode fixing section and the wound covering section, the electrode fixing section comprises a shell, a positioning groove is formed in the shell, sliding holes are formed in the two side walls in the positioning groove, sliding columns are slidably connected into the sliding holes, first compressed springs are arranged in the sliding holes, and clamping plates are fixed to the ends, away from the first compressed springs, of the sliding columns; a sliding groove is further formed in one end of the shell, the sliding plate is connected into the sliding groove, a locking assembly is arranged on the shell, and the locking assembly adjusts the distance between the positioning groove and the wound covering section by adjusting the length, extending into the sliding groove, of the sliding plate. The electrode fixing stability after herpes zoster spinal cord electrical stimulation operation can be enhanced, electrode displacement is prevented, postoperative wounds can be protected, use is convenient, and the work intensity of medical workers is effectively reduced.