CN103417276A - Regulating orthopedic device for ankle joint coronal plane compound malformation - Google Patents
Regulating orthopedic device for ankle joint coronal plane compound malformation Download PDFInfo
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- CN103417276A CN103417276A CN2013104008262A CN201310400826A CN103417276A CN 103417276 A CN103417276 A CN 103417276A CN 2013104008262 A CN2013104008262 A CN 2013104008262A CN 201310400826 A CN201310400826 A CN 201310400826A CN 103417276 A CN103417276 A CN 103417276A
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Abstract
A regulating orthopedic device for ankle joint coronal plane compound malformation is composed of a bone fixing support, steel needle fixing clamps which are connected to the bone fixing support and steel needles which are clamped in the steel needle fixing clamps. The bone fixing support comprises a near-end hole full ring which is arranged on the middle section of a shinbone or the upper section of the shinbone, a far-end hole full ring arranged at the position of an ankle, a heel bone hole C-shaped ring arranged on the middle section of a heel bone, at least two quick traction extension long rods connected between the near-end hole full ring and the far-end hole full ring, two elastic quick traction extension long rods connected between the far-end hole full ring and the heel bone hole C-shaped ring, a threaded hole ring connecting ring connected between the near-end hole full ring and the far-end hole full ring and an arc-shaped hole ring which is connected to the threaded hole ring connecting rod in an adjustable mode through upper adjusting nuts and lower adjusting nuts and is arranged on the lower middle section of the shin bone.
Description
Technical field
The present invention relates to a kind of bone external fixator, particularly a kind ofly treat the orthosis that ankle Varus deformity or valgus deformity are used.
Background technology
The orthosis that existing treatment ankle malformation is used is generally Ilizarov ring type external fixator, and this external fixator complex structure heaviness does not have quick-expansion function and interior valgus deformity orthopaedic function, lacks motility, and operating difficulties, be unfavorable for functional training.
Summary of the invention
The purpose of this invention is to provide a kind of ankle joint coronalplane compound malformation regulation and control orthosis, solve the orthosis complex structure that traditional rectification ankle Varus deformity or valgus deformity use heavy, there is no quick-expansion function and interior valgus deformity orthopaedic function, lack motility, operating difficulties, be unfavorable for the technical problem of functional training.
For achieving the above object, the present invention adopts following technical scheme: a kind of ankle joint coronalplane compound malformation regulation and control orthosis, by the bone fixed support, be connected to the steel needle fixing clamp on the bone fixed support, and the draw point be clipped in steel needle fixing clamp forms, it is characterized in that: described bone fixed support comprises the near-end hole loopful that is arranged on middle tibia or epimere place, be arranged on the far-end hole loopful at ankle place, be arranged on the calcaneus hole C shape ring of calcaneus middle section, be connected at least two quick lengthening bars between near-end hole loopful and far-end hole loopful, be connected to the quick lengthening bar of at least two elasticity between far-end hole loopful and calcaneus hole C shape ring, be connected to a threaded hole ring connecting rod between near-end hole loopful and far-end hole loopful, and by the adjustable arc hole ring that is connected on threaded hole ring connecting rod and is arranged on lower section in tibia of up-down adjustment nut.
The quick lengthening bar of described elasticity comprises connecting rod, spring-compressed nut and elasticity drawing-off spring, the lower end of described connecting rod is articulated and connected on calcaneus hole C shape ring, the upper end of connecting rod is plugged in the hole of far-end hole loopful, described spring-compressed nut thread is connected on connecting rod, and described elasticity drawing-off spring housing is on the connecting rod between spring-compressed nut and far-end hole loopful.
Described bone fixed support can also comprise threaded fixation clamp connecting rod, threaded fixation clamp connecting rod is connected on near-end hole loopful by upper and lower adjusting nut is adjustable, on threaded fixation clamp connecting rod, cover has draw point pad and draw point pressure pad, draw point pad and draw point pressure pad are connected on threaded fixation clamp connecting rod by upper and lower adjusting nut is adjustable, between draw point pad and draw point pressure pad, accompany half pin.
One end of described threaded hole ring connecting rod can be connected on near-end hole loopful by the up-down adjustment nut is adjustable, and the other end of threaded hole ring connecting rod can be articulated and connected on far-end hole loopful by unidirectional joint device.
One end of described quick lengthening bar can be connected on near-end hole loopful by having hinged and joint device locking function, and the other end of lengthening bar can be connected on far-end hole loopful by multidirectional articulation joint fast.
Described quick lengthening bar can include threaded rod, interior bar cover and outer bar cover, described threaded rod from top to bottom is inserted in interior bar cover, described interior bar cover from top to bottom is inserted in outer bar cover, and the lower end of described outer bar cover is provided with multidirectional articulation joint, and multidirectional articulation joint is provided with threaded connector.
The upper end of described interior bar cover is provided with flanging, and be provided with pressure controller between the upper end of interior bar cover and threaded rod, described pressure controller controls cover by adjusting sleeve, pressure and Compress Spring forms, the upper end of described adjusting sleeve is threaded with threaded rod, the bottom of adjusting sleeve is controlled external threading with pressure and is connected, described pressure is controlled the interior bar that cover is movably set in the flanging downside and is put, on the threaded rod between the flanging that the upper end that described Compress Spring is enclosed within adjusting sleeve and interior bar overlap.
It is uncovered that the medial wall, upper end of described outer bar cover is provided with taper, the lateral wall, upper end of outer bar cover is provided with external thread section, and be provided with lock-on connection between the upper end of outer bar cover and interior bar cover, described lock-on connection is comprised of taper elastic ring and locking nut, described locking nut is by the be threaded upper end of the cover of bar outside of external thread section, described taper elastic ring be inserted in taper uncovered in, be clipped between interior bar cover and outer bar cover, and the fixing of the upper end of taper elastic ring is on the upper end of locking nut.
Described multidirectional articulation joint can by Connection Block, hinged otic placode, in pin, axle sleeve and bearing pin form, wherein hinged otic placode is arranged on the lower end of outer bar cover, axle sleeve and bearing pin are articulated and connected on hinged otic placode by middle pin, Connection Block is articulated and connected again on bearing pin, and described threaded connector is arranged on Connection Block.
Described threaded connector can be out the internal thread hole on Connection Block.
Can be provided with bar cover pad between the medial wall of the lateral wall, bottom of described interior bar cover and outer bar cover.
Can all be carved with angle scale on described near-end hole loopful, far-end hole loopful, calcaneus hole C shape ring and arc hole ring.
Compared with prior art the present invention has following characteristics and beneficial effect: the present invention has the coronalplane drawing-off, pressurizes, resets, fixes, multi-direction orthopaedic function, be used for specially treating the fracture of ankle and foot, and valgus deformity (simultaneously having valgus deformity and the interior valgus deformity of contracture in bone) in the ankle plyability, the plyability deformity that especially is applicable to treatment bone and soft tissue deformity and deposits.
The present invention can implement drawing-off reset fixing and malformation correction to the fracture of ankle and foot or deformity in the interior space of turning up, can to bone sex deviation and arthrogryposis deformity, progressively correct simultaneously, the treatment of ankle various osteonosus be can meet, osteotomy and drawing-off orthopaedy are specially adapted for.
The present invention is easy and safe to operate, and the features simple structure dexterity meets anatomy and therapeutics requirement, after being installed on suffering limb, less to the motion effects in ankle joint, so allow to suffer from body, bears a heavy burden and functional training.
Use the present invention in operation, can guarantee that operation technique completes under Wicresoft or noinvasive condition, avoided to greatest extent the destruction of local soft tissue damage and blood fortune, be conducive to promote union of fracture and reconstruction, have advantages of that curative effect is high and complication is low.
Be provided with multidirectional articulation joint in the present invention and there is hinged and joint device locking function, both can realize valgus deformity correcting function in ankle, can effectively be locked in orthopedic rear enforcement again.
The present invention can make mechanical energy (mechanical environment) and bioenergy (tissue regeneration) have the good compatibility (reasonability of Mechanobiology environment), and can meet fracture early implementation strong flexible fastening, later stage fixing, that provide axially mid-term and combined stress stimulates provides balance fixing requirement.
The present invention has carried out new innovation to the mechanics effect of bone external fixator, has dynamic elasticity drawing-off function, has the structure of complying with biological requirement, makes the bone external fixator bionic boundary of marching toward become possibility, for implementing cybernetics, provides technique guarantee.
The present invention has incorporated the structural element of more Ilizarov external fixator, not only in rationale, there is again new breakthrough the aspects such as apparatus innovation, technical specification, clinical practice and treatment theory, substantially realize theoretical system, apparatus seriation, regularized operation, criterion of therapeutical effect, formed new bone External technique system.
Quick lengthening bar in the present invention is the important component of implementing overall configuration and function combinations, can carry out the optimum organization of configuration, increase practicality and the dexterity of configuration, can require to implement drawing-off, pressurization, regulation and control elasticity and adaptability rigidity according to treatment at therapeutic process fixes, embodied highlightedly the bionics function, improve the compatibility of mechanical energy and bioenergy, met the requirement of regeneration reconstruction and control theory, guaranteed curative effect.
In therapeutic process, according to the treatment requirement, can control the quick lengthening bar in the present invention by pressure controller, make quick lengthening bar implement elasticity drawing-off pressurization, flexible fastening (regulation and control elasticity) and adaptability rigidity and fix.
Quick lengthening bar in the present invention can stretch, clockwise or rotate counterclockwise lock-on connection 360 degree, the lengthening bar can increase or shorten fast, solved the difficult problem that the fixing rigidity of bone external fixator can not change, fixed so can require implement the adaptability balance that gap is zero early stage strongly fixes, mid-term, gap was 1～2mm flexible fastening and later stage gap are 3～5mm according to treatment at therapeutic process.
Quick lengthening bar in the present invention has quick-expansion, slowly extend and three kinds of functions of dynamic elasticity drawing-off pressurization, there is adjusting operation convenient, configuration is optimized, practical, dexterous characteristics, more importantly, in the overall process for the treatment of, early, in, the difference in later stage is the stage fixedly, under the prerequisite of the repertoire that keeps the bone external fixator, can meet respectively early stage strong fixing, the flexible fastening in mid-term, the later stage balance is the treatment requirement of stage bone fixedly, promote new bone growth, the sclerotin mineralising, realize optimized reconstruction and the actively rehabilitation of bone function, realize healing fully, facilitate management after operation simultaneously, be convenient for measuring.
With traditional extension rod (Chinese patent application that application publication number is CN102860861A), compare, the quick lengthening bar in the present invention is use better, specific as follows:
What 1, traditional extension rod adopted is the structure of two-stage nitration bar, there is the problem that dilatability is little, and the quick lengthening bar in the present invention has adopted the structure of three sections bars, so tensile elongation has increased a lot (collapsing length is larger) than traditional extension rod, can reach 160mm～350mm, adjusting range is wider, to ankle is orthopedic very large advantage is arranged, and has avoided the drawback of the limited length of traditional extension rod.
2, traditional extension rod is carried while shrinking locking jaw, is easily made the screw thread in locking jaw fasten threaded rod, make threaded rod and bar cover locking on lock sleeve, simultaneously, after traditional extension rod is locked by locking jaw, the fit clearance between threaded rod and bar cover can cause extension rod slight rolling innervation to occur.Quick lengthening bar in the present invention has been cancelled locking jaw, so there will be stuck problem while having avoided threaded rod and locking jaw flexible, simultaneously, quick lengthening bar in the present invention has designed outer bar cover and the cooperation of interior bar cover gapless is free to slide, and control by lock-on connection the slip that outer bar overlaps and interior bar overlaps, realize fast significantly length adjustment with this, owing to being being free to slide of gapless cooperation between interior bar cover and outer bar cover, so locking is rear without rocking.
3, avoided traditional extension rod inconvenient problem with use.Rigidity controller on traditional extension rod is to place separately, when it withstands locking jaw, could realize rigidity control, adjust complexity during use and lose time, if while not needing the rigidity controller, it must be unloaded, so, while using not isomorphism type, must add to consider, and the present invention has adopted the principle that the rigidity controller is built-in, rename as pressure controller, control cover by the pressure in the rotational pressure controller, can adjust the pressure of the present invention to the art bone, by the adjusting sleeve in the integral-rotation pressure controller, can make to realize flexible fine setting between threaded rod and interior bar cover, so both improved and regulated the speed, guaranteed again the degree of accuracy of adjusting, if while not needing rigidity to control, can directly pressure be controlled to cover and rotate the bosom to adjusting sleeve, Compress Spring is depressed into to the shortest (the inelastic state in Compress Spring place), now pressure controller is inoperative, but the effect of being locked is constant.
4, traditional extension rod is when the processing locking jaw, difficulty of processing is large, the finished product rate is low, production cost is high, become the bottleneck that affects product promotion, and the quick lengthening bar in the present invention is cancelled locking jaw, reduced difficulty of processing and production cost, improved working (machining) efficiency, the problem of having avoided the processing locking jaw to bring.
5, traditional bone external fixator all adopts rustless steel, can affect x-ray fluoroscopy in therapeutic process, and all can adopt lightweight duralumin, hard alumin ium alloy, titanium alloy or carbon fibre material in the present invention except threaded rod, so enlarged the x-ray fluoroscopy scope, increase the perspective rate of bone external fixator, be convenient to therapeutic effect is carried out to accurate assessment, also more be conducive to diagnose exactly the situation of fracture, reduce significantly in addition the weight of bone external fixator, be convenient to functional training.
The accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention will be further described in detail.
Fig. 1 is the schematic diagram that the present invention corrects the ankle valgus deformity.
Fig. 2 is decomposing schematic representation of the present invention.
Fig. 3 is schematic perspective view of the present invention.
Fig. 4 is that the master of quick lengthening bar looks schematic diagram.
Fig. 5 is the decomposing schematic representation of quick lengthening bar.
Fig. 6 is the assembling schematic diagram of quick lengthening bar.
Fig. 7 is the schematic diagram of the external thread section on the lateral wall, upper end of lock-on connection and outer bar cover.
Fig. 8 is the structural representation of quick lengthening bar.
Fig. 9 is the enlarged diagram at I place in Fig. 8.
Figure 10 is the enlarged diagram at II place in Fig. 8.
Figure 11 is the schematic diagram that the present invention has corrected the ankle valgus deformity.
Reference numeral: 1-far-end hole loopful, 2-near-end hole loopful, the quick lengthening bar of 3-, 3.1-threaded rod, 3.2-interior bar cover, 3.3-outer bar cover, 3.4-adjusting sleeve, 3.5-Compress Spring, 3.6-pressure is controlled cover, 3.7-taper is uncovered, 3.8-taper elastic ring, 3.9-external thread section, 3.10-locking nut, 3.11-bar cover pad, 3.12-threaded connector, 3.13-flanging, 3.14-bearing pin, 3.15-axle sleeve, 3.16-middle pin, 3.17-hinged otic placode, 3.18-Connection Block, 3.19-union joint, 3.20-locating hole, the threaded hole ring of 4-connecting rod, 5-arc hole ring, 6-up-down adjustment nut, the threaded fixation clamp connecting rod of 7-, 8-draw point pad, 9-draw point pressure pad, 10-half pin, 11-has hinged and joint device locking function, the unidirectional joint of 12-device, 13-calcaneus hole C shape ring, the quick lengthening bar of 14-elasticity, 14.1-connecting rod, 14.2-spring-compressed nut, 14.3-elasticity drawing-off spring, the 15-tibia, the 16-calcaneus.
The specific embodiment
Embodiment is referring to shown in Fig. 1-3, and this ankle joint coronalplane compound malformation regulation and control orthosis, by the bone fixed support, be connected to the steel needle fixing clamp on the bone fixed support and the draw point that is clipped in steel needle fixing clamp forms.
Described bone fixed support comprises the near-end hole loopful 2 that is arranged on middle tibia or epimere place, be arranged on the far-end hole loopful 1 at ankle place, be arranged on the calcaneus hole C shape ring 13 of calcaneus middle section, be connected to two quick lengthening bars 3 between near-end hole loopful and far-end hole loopful, be connected to the quick lengthening bar 14 of two elasticity between far-end hole loopful and calcaneus hole C shape ring 13, be connected to a threaded hole ring connecting rod 4 between near-end hole loopful and far-end hole loopful, and also can be 1/4 hole ring by the adjustable arc hole ring 5(that is connected on threaded hole ring connecting rod 4 and is arranged on lower section in tibia of up-down adjustment nut 6).
The quick lengthening bar 14 of described elasticity comprises connecting rod 14.1, spring-compressed nut 14.2 and elasticity drawing-off spring 14.3, the lower end of described connecting rod 14.1 is articulated and connected on calcaneus hole C shape ring 13, the upper end of connecting rod 14.1 is plugged in the hole of far-end hole loopful 1, described spring-compressed nut 14.2 is threaded on connecting rod 14.1, and described elasticity drawing-off spring 14.3 is enclosed within on the connecting rod between spring-compressed nut 14.2 and far-end hole loopful 1.
Described calcaneus hole C shape ring 13 and the quick lengthening bar 14 of elasticity are trans-articular elasticity drafting system, and trans-articular elasticity drafting system for threading a needle on calcaneus.
Described bone fixed support is designed to such reason, in ankle, turn over, valgus deformity, contracture joint deformity all concentrate on the bone of distal tibial, distal tibial fracture and deformity, refer to the fracture and the deformity that involve the ankle joint articular surface, ankle joint is the human body maximum joint of bearing a heavy burden, when walking whole body weight of standing all drops on this joint, 4 times of being about of the normal stressed peak value of ankle joint.The stability of ankle joint and motility are very important, and ankle joint is that bone and ligament structure form, and its stability is also the common support of bone and ligament system.The bone structure is comprised of shin, distal fibular and astragalus.Distal tibial expands the outstanding part in inside below and forms internal malleolus, and the part that distal fibular slightly expands forms external malleolus; Tibia lower end trailing edge, slightly to processus aboralis, forms rear ankle.Wherein the lateral surface of internal malleolus has articular cartilage to adhere to, and has formed articular facet of medial malleolus; The lower tibiofibula opisthodetic ligament has been deepened rear ankle, thus the restriction astragalus in the ankle cave after move.Body of talus shape of a saddle top is ankle joint with the joint that tibial plateau forms, and the articular surface of its both sides forms joint with inside, external malleolus.The activities such as the walking in daily life and jump, mainly rely on the back of the body of ankle joint to stretch, plantar flexion motion.This joint deformity and fracture, the treatment difficulty is large, and complication is many, and disability rate is high, is one of challenging orthopaedics difficult problem of tool.If treatment does not meet the ankle joint function anatomical features, can cause and have a strong impact on lower limb function.Therefore be connected to a threaded hole ring connecting rod 4 between distal hole orifice ring and near-end hole loopful, increasing support bracket fastened stability, be conducive to guarantee the center of sagittal plane hip joint, knee joint and ankle joint point-blank, prevent femur, tibia key generation the place ahead or rear displacement, avoided lower limb function is caused and has a strong impact on.
On threaded hole ring connecting rod 4, the arc hole ring 5(that lower section arranges in tibia also can be 1/4 hole ring) can be by the orthopedic damage range that is controlled at ankle joint, simultaneously both can be effectively to B&J structural damage and soft tissue injury, particularly, the damage of ligament is carried out orthopedic, the part that can be fractured is again fixed, the trans-articular drawing-off is fixed, trans-articular is dynamically fixing, and joint fusion time pressurization is fixing, this fixed form and mechanical function, for treatment ankle joint complicated fracture, syntripsis and compound fracture and orthopedic, there is the effect can not be substituted.
Described steel needle fixing clamp can be large inclined to one side or little inclined to one side, can be also the assembly of draw point pressure pad and draw point pad, and steel needle fixing clamp is connected on near-end hole loopful 2, far-end hole loopful 1, arc hole ring 5 and calcaneus hole C shape ring 13.
In the present embodiment, the bone fixed support also comprises threaded fixation clamp connecting rod 7, threaded fixation clamp connecting rod 7 is connected on near-end hole loopful 2 by upper and lower adjusting nut 6 is adjustable, also be connected with steel needle fixing clamp on threaded fixation clamp connecting rod 7, this steel needle fixing clamp is that the draw point pad 8 and the draw point pressure pad 9(that are enclosed within on threaded fixation clamp connecting rod 7 are the assembly of draw point pressure pad and draw point pad), draw point pad 8 and draw point pressure pad 9 are connected on threaded fixation clamp connecting rod 7 by upper and lower adjusting nut 6 is adjustable, accompany half pin 10 between draw point pad 8 and draw point pressure pad 9.
One end of described threaded hole ring connecting rod 4 is connected on near-end hole loopful 2 by up-down adjustment nut 6 is adjustable, and the other end of threaded hole ring connecting rod 4 is articulated and connected on far-end hole loopful 1 by unidirectional joint device 12.
In the present embodiment, adopt the benefit of upper and lower adjusting nut to be, can regulate the relative position of each rod member and hole ring, thereby regulate the support bracket fastened size of bone according to different needs.
One end of described quick lengthening bar 3 is connected on near-end hole loopful 2 by having hinged and joint device 11 locking function, and the other end of lengthening bar 3 is connected on far-end hole loopful 1 by multidirectional articulation joint fast.It is described that to have hinged and joint device 11 locking function can be any one or more the combination in spherical universal joint (Chinese patent application that application publication number is CN103006302A), damping joint (Chinese patent application that application publication number is CN103006303A) or self-locking joint (Chinese patent application that application publication number is CN103006301A).
Shown in Fig. 4-10, in the present embodiment, lengthening bar 3 includes threaded rod 3.1, interior bar cover 3.2 and outer bar cover 3.3 fast, described threaded rod 3.1 from top to bottom is inserted in interior bar cover 3.2, described interior bar cover 3.2 from top to bottom is inserted in outer bar cover 3.3, the lower end of described outer bar cover 3.3 is provided with multidirectional articulation joint, and multidirectional articulation joint is provided with threaded connector 3.12.
The upper end of described interior bar cover 3.2 is provided with flanging 3.13, and be provided with pressure controller between the upper end of interior bar cover 3.2 and threaded rod 3.1, described pressure controller is by adjusting sleeve 3.4, pressure controls cover 3.6 and Compress Spring 3.5 forms, the upper end of described adjusting sleeve 3.4 is threaded with threaded rod 3.1, the bottom of adjusting sleeve 3.4 is controlled cover 3.6 with pressure and is threaded, described pressure control cover 3.6 is movably set on the interior bars cover 3.2 of flanging 3.13 downsides, described Compress Spring 3.5 is enclosed within on the threaded rod 3.1 between the flanging 3.13 of the upper end of adjusting sleeve 3.4 and interior bar cover 3.2.
The medial wall, upper end of described outer bar cover 3.3 is provided with taper uncovered 3.7, the lateral wall, upper end of outer bar cover 3.3 is provided with external thread section 3.9, and be provided with lock-on connection between the upper end of outer bar cover 3.3 and interior bar cover 3.2, described lock-on connection is comprised of taper elastic ring 3.8 and locking nut 3.10, described locking nut 3.10 is by the be threaded upper end of the cover of bar outside 3.3 of external thread section 3.9, described taper elastic ring 3.8 is inserted in taper uncovered 3.7, be clipped between interior bar cover 3.2 and outer bar cover 3.3, and the upper end of taper elastic ring 3.8 fixes on the upper end of locking nut 3.10.
Described multidirectional articulation joint by Connection Block 3.18, hinged otic placode 3.17, in pin 3.16, axle sleeve 3.15 and bearing pin 3.14 form, wherein hinged otic placode 3.17 is arranged on the lower end of outer bar cover 3.3, axle sleeve 3.15 and bearing pin 3.14 are articulated and connected on hinged otic placode 3.17 by middle pin 3.16, Connection Block 3.18 is articulated and connected again on bearing pin 3.14, described threaded connector 3.12 is arranged on Connection Block 3.18, as most preferred embodiment, threaded connector 3.12 is out the internal thread hole on Connection Block 3.18.
Be provided with bar cover pad 3.11 between the medial wall of the lateral wall, bottom of described interior bar cover 3.2 and outer bar cover 3.3, the medial surface of bar cover pad 3.11 is provided with union joint 3.19, described interior bar cover 3.2 is provided with the locating hole corresponding with union joint 3.19 3.20, and bar cover pad 3.11 is fixed on interior bar cover 3.2 by union joint 3.19 is relative with locating hole 3.20.
In other embodiments, lengthening bar 3 also can replace with traditional extension rod fast.Certainly, fast lengthening bar 3 can also adopt other more existing connecting rods.
In the present embodiment, except threaded rod, all can adopt lightweight duralumin, hard alumin ium alloy, titanium alloy, carbon fibre material to make.
The tow sides of described near-end hole loopful 2, far-end hole loopful 1, calcaneus hole C shape ring 13 and arc hole ring 5 all are carved with angle scale, and angle scale is engraved in positive outer edge and the reverse side outer edge of hole ring.
In the present embodiment, the tow sides of far-end hole loopful 1, near-end hole loopful 2, calcaneus hole C shape ring 13 and arc hole ring 5 all are carved with angle scale.Angle scale is engraved in positive outer edge and the reverse side outer edge of hole ring, angle scale on far-end hole loopful 1 and near-end hole loopful 2 is the tolerance sign of 360 ° consisted of the angle scale of two 0 ° to 180 °, any point that the angle scale of two 0 ° to 180 ° be take on loopful as 0 °, launch the sign angle index to both sides.
The layout of described draw point is to set according to the concrete condition of sufferer.
Draw point in the present embodiment is not worn muscle: the draw point on near-end hole loopful 2 is screw thread half pin of inboard two to three pieces of 4mm that place before tibia, is three-dimensional layout; Draw point on arc hole ring 5 is 1～2 piece of full pin of thin diameter placed from inside to outside in the calcaneus middle section; Draw point on far-end hole loopful 1 is respectively to be installed with 1 piece thin diameter half pin afterwards and after outer in calcaneus.
The effect of the lock-on connection in described quick lengthening bar is: make interior bar cover and outer bar overlap rapid drawing-off and locking, make interior bar cover and the locking at an arbitrary position of outer bar cover.Specifically, the medial wall, upper end of described exactly outer bar cover is provided with taper uncovered (the medial wall, upper end of outer bar cover is the pyramidal structure that the diameter of axle diminishes gradually) from top to bottom, during locking nut in tightening lock-on connection, taper is uncovered can be compressed the taper elastic ring, make bar cover in the locking of taper elastic ring, now interior bar overlaps and outer bar cover locking, when unscrewing locking nut, the reinstatement of taper elastic ring, make interior bar cover external bar cover free-extension mutually.
Treatment stage in early days, when operative reduction, while being fixed on the art bone by the present invention, locking nut on quick lengthening bar is unclamped, make quick lengthening bar in the quick adjustable state of length (but interior bar cover and outer bar cover relative sliding), simultaneously fast fast under the effect of the various joint devices with hinged and locking function, in free movement state, the present invention now can carry out three-dimensional adjustment to the lengthening bar neatly, carries out drawing-off, rotation, pressurizes, resets.After the art bone resets substantially, by the joint device locking with hinged and locking function in the present invention, carry out the micro stretching contracting (adjusting sleeve can be controlled the relative position of interior bar cover and threaded rod) of threaded rod by the adjusting sleeve in the rotational pressure controller, the reduction of the fracture is finely tuned.After the adjustment of art bone resets, pressure in pressure controller can be controlled to cover and rotate the bosom to adjusting sleeve, now Compress Spring is compressed into the shortest, pressure controller inoperative (Compress Spring is inoperative), now the lengthening bar will fully be fixed the art bone fast fast, for union of fracture, new bone mineralising provide strong fixing, guarantee that the knitting initial stage is desired strong fixing, avoided inaccurate due to the stable poor dislocation caused, angulation, the problem such as heal bad.
When the mid-term of knitting, need to be to the flexible fastening that the art bone provides axially and combined stress stimulates, pressure is controlled to the cover rotation to be unclamped, make Compress Spring in the elastic force state, now under the effect of the Compress Spring in pressure controller, the lengthening bar can have certain telescopic resilience (threaded rod is connected with interior bar cover elasticity) fast, control cover by rotational pressure, can regulate the elastic force of Compress Spring, realize thus adjusting the elastic force of controlling quick lengthening bar, thereby reach the purpose of the pressure size of controlling quick lengthening pole pair art bone, now, can control the bone external fixator, implement drawing-off, pressurization function, drawing-off pressurization scope 0～200 handkerchief (unit) of adjusting sleeve on quick lengthening bar to knochenbruch.Clockwise rotate adjusting sleeve 360 degree, increase 1mm, rotate counterclockwise and shorten 1mm, this regulation and control, the flexible fastening rigidity of the best combined stress stimulation of knitting mid-term stage is provided, has given full play to the adaptability of bone counter stress, the growth of capable of regulating bone and absorption, promote the process of union of fracture, complete the optimized reconstruction of bone function.
The anaphase stage: the present invention will provide balance to fix, under the prerequisite of the function that keeps the bone external fixator, can reduce fast at random the quantity of the quick lengthening bar in the present invention, so both kept support strength of the present invention, alleviated again the weight of bone external fixator, and facilitate management after operation, be beneficial to positive rehabilitation.
Referring to Fig. 1, Figure 11, use the present embodiment to carry out being described below of the inside and outside talipes varus osteotomy of ankle joint and drawing-off orthopaedy.
1, osteotomy and drawing-off orthopaedy are a kind of correcting technology principles for have bone sex deviation and contracture deformity simultaneously, and Specific Principles can be orthopedic with reference to osteotomy and application respectively or the use in conjunction of the orthopedic principle of drawing-off.
2, the plyability deformity that is applicable to bone and soft tissue deformity and deposits.
3, operating procedure:
(1) standard is settled the present embodiment.
(2) Wicresoft connects the hole osteotomy, utilizes maneuver or osteotome, makes fracture disconnected.
(3) can be according to the size of lopsided amplitude, bone sex deviation or soft tissue deformity are adopted to disposable orthopedic or slow drawing-off orthopaedy, and the employing related technical measures: 1) to bone and soft tissue deformity by a small margin, can be after osteotomy, implementing first phase, to correct pressurization fixing; 2) to bone sex deviation and significantly soft tissue deformity by a small margin, can be fixing to the disposable rectification pressurization of bone sex deviation row after osteotomy; Soft tissue deformity is stayed to postoperative lopsided drawing-off deformity art; 3) for two kinds significantly the deformity and the person of depositing, deformity can be stayed postoperative the rectification.
Claims (10)
1. an ankle joint coronalplane compound malformation regulates and controls orthosis, by the bone fixed support, be connected to the steel needle fixing clamp on the bone fixed support, and the draw point be clipped in steel needle fixing clamp forms, it is characterized in that: described bone fixed support comprises the near-end hole loopful (2) that is arranged on middle tibia or epimere place, be arranged on the far-end hole loopful (1) at ankle place, be arranged on the calcaneus hole C shape ring (13) of calcaneus middle section, be connected at least two quick lengthening bars (3) between near-end hole loopful and far-end hole loopful, be connected to the quick lengthening bars of at least two elasticity (14) between far-end hole loopful and calcaneus hole C shape ring (13), be connected to the threaded hole ring connecting rod (4) between near-end hole loopful and far-end hole loopful, and by the adjustable arc hole ring (5) that is connected to threaded hole ring connecting rod (4) above and is arranged on lower section in tibia of up-down adjustment nut (6).
2. ankle joint coronalplane compound malformation according to claim 1 regulates and controls orthosis, it is characterized in that: the quick lengthening bar of described elasticity (14) comprises connecting rod (14.1), spring-compressed nut (14.2) and elasticity drawing-off spring (14.3), the lower end of described connecting rod (14.1) is articulated and connected on calcaneus hole C shape ring (13), the upper end of connecting rod (14.1) is plugged in the hole of far-end hole loopful (1), described spring-compressed nut (14.2) is threaded on connecting rod (14.1), described elasticity drawing-off spring (14.3) is enclosed within on the connecting rod between spring-compressed nut (14.2) and far-end hole loopful (1).
3. ankle joint coronalplane compound malformation according to claim 1 regulates and controls orthosis, it is characterized in that: described bone fixed support also comprises threaded fixation clamp connecting rod (7), threaded fixation clamp connecting rod (7) is connected on near-end hole loopful (2) by upper and lower adjusting nut (6) is adjustable, the upper cover of threaded fixation clamp connecting rod (7) has draw point pad (8) and draw point pressure pad (9), draw point pad (8) and draw point pressure pad (9) are connected on threaded fixation clamp connecting rod (7) by upper and lower adjusting nut (6) is adjustable, accompany half pin (10) between draw point pad (8) and draw point pressure pad (9).
4. ankle joint coronalplane compound malformation according to claim 1 regulates and controls orthosis, it is characterized in that: an end of described threaded hole ring connecting rod (4) is connected to near-end hole loopful (2) above by up-down adjustment nut (6) is adjustable, and the other end of threaded hole ring connecting rod (4) is articulated and connected on far-end hole loopful (1) by unidirectional joint device (12).
5. ankle joint coronalplane compound malformation according to claim 1 regulates and controls orthosis, it is characterized in that: to be connected to near-end hole loopful (2) upper by having hinged and joint device (11) locking function for an end of described quick lengthening bar (3), and the other end of lengthening bar (3) is connected on far-end hole loopful (1) by multidirectional articulation joint fast.
6. ankle joint coronalplane compound malformation according to claim 1 regulates and controls orthosis, it is characterized in that: described quick lengthening bar (3) includes threaded rod (3.1), interior bar cover (3.2) and outer bar cover (3.3), described threaded rod (3.1) from top to bottom is inserted in interior bar cover (3.2), described interior bar cover (3.2) from top to bottom is inserted in outer bar cover (3.3), the lower end of described outer bar cover (3.3) is provided with multidirectional articulation joint, and multidirectional articulation joint is provided with threaded connector (3.12);
The upper end of described interior bar cover (3.2) is provided with flanging (3.13), and be provided with pressure controller between the upper end of interior bar cover (3.2) and threaded rod (3.1), described pressure controller is by adjusting sleeve (3.4), pressure controls cover (3.6) and Compress Spring (3.5) forms, the upper end of described adjusting sleeve (3.4) is threaded with threaded rod (3.1), the bottom of adjusting sleeve (3.4) is controlled cover (3.6) with pressure and is threaded, described pressure is controlled cover (3.6) and is movably set on the interior bar cover (3.2) of flanging (3.13) downside, described Compress Spring (3.5) is enclosed within on the threaded rod (3.1) between the flanging (3.13) of the upper end of adjusting sleeve (3.4) and interior bar cover (3.2),
The medial wall, upper end of described outer bar cover (3.3) is provided with taper uncovered (3.7), the lateral wall, upper end of outer bar cover (3.3) is provided with external thread section (3.9), and be provided with lock-on connection between the upper end of outer bar cover (3.3) and interior bar cover (3.2), described lock-on connection is comprised of taper elastic ring (3.8) and locking nut (3.10), described locking nut (3.10) is by external thread section (3.9) upper end of bar cover (3.3) outside that is threaded, described taper elastic ring (3.8) is inserted in taper uncovered (3.7), be clipped between interior bar cover (3.2) and outer bar cover (3.3), and the upper end of taper elastic ring (3.8) fixes on the upper end of locking nut (3.10).
7. ankle joint coronalplane compound malformation according to claim 6 regulates and controls orthosis, it is characterized in that: described multidirectional articulation joint is by Connection Block (3.18), hinged otic placode (3.17), middle pin (3.16), axle sleeve (3.15) and bearing pin (3.14) form, wherein hinged otic placode (3.17) is arranged on the lower end of outer bar cover (3.3), axle sleeve (3.15) and bearing pin (3.14) are articulated and connected on hinged otic placode (3.17) by middle pin (3.16), Connection Block (3.18) is articulated and connected again on bearing pin (3.14), described threaded connector (3.12) is arranged on Connection Block (3.18).
8. ankle joint coronalplane compound malformation according to claim 7 regulates and controls orthosis, and it is characterized in that: described threaded connector (12) is out the internal thread hole on Connection Block (3.18).
9. ankle joint coronalplane compound malformation regulation and control orthosis according to claim 6, is characterized in that: be provided with bar cover pad (3.11) between the medial wall of the lateral wall, bottom of described interior bar cover (3.2) and outer bar cover (3.3).
10. ankle joint coronalplane compound malformation regulation and control orthosis according to claim 1, is characterized in that: on described near-end hole loopful (2), far-end hole loopful (1), calcaneus hole C shape ring (13) and arc hole ring (5), be carved with angle scale.
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| CN201310400826.2A CN103417276B (en) | 2013-09-06 | 2013-09-06 | Regulating orthopedic device for ankle joint coronal plane compound malformation |
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| CN201310400826.2A CN103417276B (en) | 2013-09-06 | 2013-09-06 | Regulating orthopedic device for ankle joint coronal plane compound malformation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106726075A (en) * | 2017-03-01 | 2017-05-31 | 孙磊 | The Combined type external fixed support and pressure-adjustable fixed arm of adjustable pressure |
| CN109106434A (en) * | 2018-07-11 | 2019-01-01 | 河南省洛阳正骨医院（河南省骨科医院） | A kind of multifunctional assembled physiological bone pressurization external fixed support for bone |
| CN112370131A (en) * | 2020-11-12 | 2021-02-19 | 广州民鋆医疗科技发展有限公司 | External fixing bracket for tibia correction |
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| CN103417276B (en) | 2015-05-13 |
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