CN203425012U - Ankle joint coronal plane composite malformation regulating orthopedic device - Google Patents

Abstract

An ankle joint coronal plane composite malformation regulating orthopedic device is composed of a bone fixing support, a steel needle fixing clamp connected on the bone fixing support and a steel needle clamped in the steel needle fixing clamp. The bone fixing support comprises a near-end hole full ring at the middle section or the upper middle section of a shin, a far-end hole full ring at the ankle position, a calcaneus hole C-shaped ring at the calcaneus middle section, at least two quick traction extension rods connected between the near-end hole full ring and the far-end hole full ring, two elastic quick traction extension rods connected between the far-end hole full ring and the calcaneus hole C-shaped ring, a hole ring connecting rod with threads and connected between the near-end hole full ring and the far-end hole full ring and an arc hole ring connected on the hole ring connecting rod with the threads in an adjustable mode through an upper adjusting nut and a lower adjusting nut and arranged at the shin middle lower section position.

Description

Ankle joint coronalplane compound malformation regulation and control orthosis

Technical field

This utility model relates to a kind of bone external fixator, particularly a kind ofly treats 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 is heavy, there is no quick-expansion function and interior valgus deformity orthopaedic function, lacks motility, and operating difficulties, is unfavorable for functional training.

Utility model content

The purpose of this utility model 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, this utility model adopts following technical scheme: a kind of ankle joint coronalplane compound malformation regulation and control orthosis, by bone fixed support, be connected to the steel needle fixing clamp on bone fixed support, and the draw point being 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 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 is from top to bottom inserted in interior bar cover, described interior bar cover is from top to bottom 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, the interior bar that described pressure control cover is movably set in flanging downside puts, and described Compress Spring is enclosed within on the threaded rod between the upper end of adjusting sleeve and the flanging of interior bar cover.

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.

Between the medial wall of the lateral wall, bottom of described interior bar cover and outer bar cover, can be provided with bar cover pad.

On described near-end hole loopful, far-end hole loopful, calcaneus hole C shape ring and arc hole ring, can all be carved with angle scale.

Compared with prior art the utlity model has following characteristics and beneficial effect: the utlity model has coronalplane drawing-off, pressurization, reset, fixing, 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 ankle plyability, the plyability deformity that is especially applicable to treatment bone and soft tissue deformity and deposits.

This utility model can be fixed and malformation correction the fracture of ankle and foot or deformity enforcement drawing-off reset 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.

This utility model is easy and safe to operate, and features simple structure is dexterous, meets anatomy and therapeutics requirement, after being installed in suffering limb, less to the motion effects in ankle joint, so allow to suffer from body, bears a heavy burden and functional training.

In operation, use this utility model, can guarantee that operation technique completes under Wicresoft or noinvasive condition, the destruction of having avoided to greatest extent local soft tissue damage and blood fortune, is conducive to promote union of fracture and reconstruction, has advantages of that curative effect is high and complication is low.

In this utility model, be provided with multidirectional articulation joint 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.

This utility model 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.

This utility model 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 technical guarantee.

This utility model 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 this utility model 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, at therapeutic process, can require to implement drawing-off, pressurization, regulation and control elasticity and adaptability rigidity according to treatment fixes, embodied highlightedly 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 treatment requirement, can control the quick lengthening bar in this utility model 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 this utility model can stretch, clockwise or rotate counterclockwise lock-on connection 360 degree, lengthening bar can increase or shorten fast, solved the difficult problem that the fixing rigidity of bone external fixator can not change, 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, fixed.

Quick lengthening bar in this utility model 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 feature, 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 repertoire that keeps bone external fixator, can meet respectively early stage strong fixing, flexible fastening in mid-term, later stage balance is the treatment requirement of stage bone fixedly, promote new bone growth, sclerotin mineralising, realize optimized reconstruction and the actively rehabilitation of bone function, realize healing completely, facilitate management after operation simultaneously, be convenient for measuring.

Compare with traditional extension rod (Chinese patent application that application publication number is CN102860861A), the quick lengthening bar in this utility model 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 quick lengthening bar in this utility model has adopted the structure of three sections of 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, has a very large advantage, 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 to occur that slight rolling is dynamic.Quick lengthening bar in this utility model 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 this utility model 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, with this, realize fast significantly length adjustment, 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 and control, during use, adjust complexity and lose time, if while not needing rigidity controller, must be unloaded, so while using not isomorphism type, must add to consider, and this utility model has adopted the built-in principle of rigidity controller, rename as pressure controller, by the pressure in rotational pressure controller, control cover, can adjust the pressure of this utility model to art bone, by the adjusting sleeve in 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 the shortest (the inelastic state in Compress Spring place), now pressure controller is inoperative.

4, traditional extension rod is when processing locking jaw, difficulty of processing is large, finished product rate is low, production cost is high, become the bottleneck that affects product promotion, and quick lengthening bar in this utility model has been cancelled locking jaw, has reduced difficulty of processing and production cost, improved working (machining) efficiency, the problem of having avoided processing locking jaw to bring.

5, traditional bone external fixator all adopts rustless steel, in therapeutic process, can affect x-ray fluoroscopy, and in this utility model, except threaded rod, all can adopt lightweight duralumin, hard alumin ium alloy, titanium alloy or carbon fibre material, so expanded x-ray fluoroscopy scope, increase the perspective rate of bone external fixator, be convenient to therapeutic effect to carry out accurate assessment, also be more conducive to diagnose exactly the situation of fracture, reduce significantly in addition the weight of bone external fixator, be convenient to functional training.

Accompanying drawing explanation

Below in conjunction with accompanying drawing, the utility model is described in more detail.

Fig. 1 is the schematic diagram that this utility model is corrected ankle valgus deformity.

Fig. 2 is decomposing schematic representation of the present utility model.

Fig. 3 is schematic perspective view of the present utility model.

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 this utility model has been corrected 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, bar cover in 3.2-, the outer bar cover of 3.3-, 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, 15-tibia, 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 bone fixed support, be connected to the steel needle fixing clamp on 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 make 1/4 hole encircle 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 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.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; Lower tibiofibula opisthodetic ligament has been deepened rear ankle, thus restriction astragalus in 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, 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 ankle joint function anatomical features, can lower limb function be caused and be had a strong impact on.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 to cause and have 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 around the damage of ligament is carried out orthopedic, the part that can fracture is again fixed, 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, 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, on threaded fixation clamp connecting rod 7, be also connected with steel needle fixing clamp, 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, between draw point pad 8 and draw point pressure pad 9, accompany half pin 10.

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 need to regulate the support bracket fastened size of bone according to different.

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 is from top to bottom inserted in interior bar cover 3.2, described interior bar cover 3.2 is from top to bottom 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 upper end of adjusting sleeve 3.4 and the flanging 3.13 of 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.

Between the medial wall of the lateral wall, bottom of described interior bar cover 3.2 and outer bar cover 3.3, be provided with bar cover pad 3.11, 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 are all 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 are all 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 that the tolerance of 360 ° consisting of the angle scale of two 0 ° to 180 ° identifies, any point that the angle scale of two 0 ° to 180 ° be take on loopful as 0 °, to both sides, launch sign angle index.

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 the screw thread Ban Zhen，Cheng three-dimensional layout of two to three pieces of 4mm that inner side places before tibia; Draw point on arc hole ring 5 is 1～2 piece of full pin of thin diameter placing from inside to outside in calcaneus middle section; Draw point on far-end hole loopful 1 is to be respectively 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 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, makes interior bar cover external bar cover free-extension mutually.

Treatment stage in early days, when operative reduction, when this utility model is fixed on art bone, locking nut on quick lengthening bar is unclamped, make quick lengthening bar in the quick adjustable state of length (interior bar cover with outer bar cover can relative sliding), simultaneously fast fast lengthening bar is in free movement state under the effect of the various joint devices with hinged and locking function, and this utility model now can carry out three-dimensional adjustment neatly, carries out drawing-off, rotation, pressurization, reset.After art bone resets substantially, by the joint device locking with hinged and locking function in this utility model, by the adjusting sleeve in rotational pressure controller, carry out the micro stretching contracting (adjusting sleeve can be controlled the relative position of interior bar cover and threaded rod) of threaded rod, 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 lengthening bar will fully be fixed art bone fast fast, for union of fracture, new bone mineralising provide strong fixing, guarantee that knitting initial stage is desired strong fixing, avoided inaccurate due to the stable poor dislocation causing, angulation, the problem such as heal bad.

When the mid-term of knitting, need to be to the flexible fastening that art bone provides axially and combined stress stimulates, pressure is controlled to cover rotation to be unclamped, make Compress Spring in elastic force state, now under the effect of the Compress Spring in pressure controller, lengthening bar can have certain telescopic resilience (threaded rod is connected with interior bar cover elasticity) fast, by rotational pressure, control cover, can regulate the elastic force of Compress Spring, realize thus and adjust the elastic force of controlling quick lengthening bar, thereby reach the object of the pressure size of controlling quick lengthening pole pair art bone, now, can control 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, the optimized reconstruction of complete osteogenesis function.

The anaphase stage: this utility model will provide balance to fix, under the prerequisite of function that keeps bone external fixator, can reduce fast at random the quantity of the quick lengthening bar on this utility model, so both kept support strength of the present utility model, 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 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 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 deformity and the person of depositing, deformity can be stayed postoperative rectification.

Claims (10)

1. an ankle joint coronalplane compound malformation regulates and controls orthosis, by bone fixed support, be connected to the steel needle fixing clamp on bone fixed support, and the draw point being 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, between draw point pad (8) and draw point pressure pad (9), accompany half pin (10).

4. ankle joint coronalplane compound malformation according to claim 1 regulates and controls orthosis, it is characterized in that: one 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: by having hinged and joint device (11) locking function, to be connected to near-end hole loopful (2) upper in one 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) is from top to bottom inserted in interior bar cover (3.2), described interior bar cover (3.2) is from top to bottom 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 upper end of adjusting sleeve (3.4) and the flanging (3.13) of 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 regulation and control orthosis according to claim 7, 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: between the lateral wall, bottom of described interior bar cover (3.2) and the medial wall of outer bar cover (3.3), be provided with bar cover pad (3.11).

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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