CN110393617A

CN110393617A - Gradual tractor

Info

Publication number: CN110393617A
Application number: CN201910790931.9A
Authority: CN
Inventors: 李旭
Original assignee: Third Hospital of Hebei Medical University
Current assignee: Third Hospital of Hebei Medical University
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2019-11-01

Abstract

The present invention discloses a kind of gradual tractor, it include: fixing piece, including thigh fixing piece and shank fixing piece, it is arranged between the thigh fixing piece and the shank fixing piece along leg direction and is connected by parallel bar, the thigh fixing piece and shank fixing piece ring leg direction is arranged and is respectively tightened leg by tightening system；And correction contracting mechanism, the correction contracting mechanism pass through at least side of the parallel bar of connection shank.A kind of gradual tractor can in the state of pulling fixed normal walking, it is incremental that drawing correction is carried out to joint, cannot effectively be treated with solving existing joint orthopedic rehabilitation device, the problems such as risk is big.

Description

Gradual tractor

Technical field

The present invention relates to the field of medical instrument technology, in particular to a kind of gradual tractor.

Background technique

" O " type leg is usual to speak " bowlegs " by people, and " X " type leg often says into " scissors leg " by people, is common rickets Two kinds of performances.The crooked position of " O " type leg two lower limb can be separated in thigh, knee or calf, standing, cannot be drawn close.Two After foot closes up, distance is more than 3 centimetres between two knees, on foot when in order to keep gravity balance, presentation is swung left and right " duck step " shape State.And two knee of " X " type leg is drawn close, bipod is separated, and distance is more than 3 centimetres between two ankles.No matter line state or halted state are walked, Seriously affect image and health status.

Specifically, " O " type leg and " X " type leg not only influence beauty, but also joint can be caused special-shaped, cause walking tired Difficulty, it is serious also to generate other complication.Existing orthopaedic knee technology generallys use operation and stretches binding, still It is not only larger to somatic damage using these methods, but also due to lacking precision and operation standard, safety is poor, does not hold The effect of continuous property and continuity, easily recurs.

Summary of the invention

The main object of the present invention is to propose a kind of gradual tractor, the present invention provide it is a kind of it is safe can trace regulation The gradual tractor of the orthopedic pulling device in joint, can in the state of pulling fixed normal walking, it is incremental to pass The problems such as section carries out drawing correction, cannot effectively be treated with solving existing joint orthopedic rehabilitation device, and risk is big.

To achieve the above object, gradual tractor proposed by the present invention, comprising:

Fixing piece, including thigh fixing piece and shank fixing piece, between the thigh fixing piece and the shank fixing piece It is arranged along leg direction and is connected each other by parallel bar, the ring leg direction setting of the thigh fixing piece and shank fixing piece Tightening system for tightening leg；And

Contracting mechanism is corrected, the correction contracting mechanism passes through at least side of the parallel bar of connection shank.

Preferably, the parallel bar include the parallel bar of thigh and along leg direction setting and with the parallel bar of the thigh it is hinged The parallel bar of shank, the parallel bar of shank along leg direction open up suitable for it is described correction contracting mechanism sliding slideway.

Preferably, the correction contracting mechanism includes shrinkable teeth band, the teeth band head and the tail docking and both ends phase The overlapping outside of mutually overlapping, the teeth band coats pulling force adjustable track box.

Preferably, the correction contracting mechanism further includes adjustment base and for limiting the adjustment base and the teeth Multiple protrusions are arranged close to teeth band one end in position-limiting unit with position, the adjustment base, and the adjustment base is separate The teeth open up the slideway suitable for the parallel bar sliding of the shank with one end, and the overlapping of the teeth band is opened up with teeth Opening, the pulling force adjustable track box center opens up through-hole and opens up gap, the adjusting bottom on the inside of the teeth band Seat is equipped by the gap and the pulling force adjustable track box.

Preferably, the adjustment base and the pulling force adjustable track box corresponding end are equipped with corresponding with the through-hole hollow Cylinder, the position-limiting unit include center of drag across the pulling force adjustable track box through-hole and equipped with the hollow cylinder Bar, the adjusting knob lock shaft for limiting teeth band described in locking and be buckled in the adjusting knob lock shaft and with the pulling force buffer rail The pulling force adjusting knob of road box rotation connection.

Preferably, the pulling force adjustable track box sets annular groove along the outer side ring of the through-hole, is equipped on the inside of the annular groove interior Screw thread, pulling force adjusting knob outer surface open up the external screw thread with the screw-internal thread fit of the annular groove, and the adjusting knob lock shaft is set The prism with the cooperation of the teeth of the teeth band is set, the center of drag bar successively wears the pulling force adjusting knob, adjusting knob lock Axis, pulling force adjustable track box are simultaneously equipped with the hollow cylinder of the adjustment base.

Preferably, knee joint outer rotary table is arranged in the parallel boom end of the thigh, and the parallel bar of shank and the thigh are simultaneously Knee joint inner rotary table is arranged in one connecting pin of row bar, and center of turntable bar passes through the center of the outer rotary table and the inner rotary table.

Preferably, the inner rotary table is close to the fixed inner rotary table air bag cushion in thigh side.

Preferably, the tightening system includes magic binding strap, and the magic binding strap is used for the thigh fixing piece With the difference ring leg tightening of shank fixing piece.

Preferably, side ring sets cavernous body in the fixing piece.

The invention has the benefit that

In the present invention, thigh fixing piece is connected with shank fixing piece by parallel bar, and is tightened by tightening system, is realized It is fixed in terms of the leg direction and ring leg direction two, in the case where not influencing normal walking, effectively fixed thigh and shank；And And correction and moulding using correction contracting mechanism realization to shank leg type, incremental correction moulding, effect are more bright It is aobvious.

Detailed description of the invention

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with The structure shown according to these attached drawings obtains other attached drawings.

Fig. 1 is the structural schematic diagram for the gradual tractor that one embodiment of the invention provides；

Fig. 2 is each components perspective view of the explosion of tractor in Fig. 1；

Fig. 3 is the decomposition diagram that contracting mechanism is corrected in Fig. 1；

Fig. 4 is the decomposition diagram that contracting mechanism other direction is corrected in Fig. 1；

Fig. 5 is the assembling schematic diagram after the fastening for correcting contracting mechanism in Fig. 1.

Drawing reference numeral explanation:

The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its His embodiment, shall fall within the protection scope of the present invention.

It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention, Then directionality instruction be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship, Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.

In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present invention Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution Conjunction is not present, also not the present invention claims protection scope within.

The present invention proposes a kind of gradual tractor, primarily directed to the moulding and correction of " O " type leg and " X " type leg, originally The correction course mainly for " O " type leg is provided in inventive embodiments.

Incorporated by reference to reference Fig. 1 and Fig. 2, in the embodiment of the present invention, a kind of gradual tractor includes:

Fixing piece, fixing piece therein include thigh fixing piece 1 and shank fixing piece 7, the thigh fixing piece 1 and described It is arranged between shank fixing piece 7 along leg direction, and the thigh fixing piece 1 and the shank fixing piece 7 pass through each other Parallel bar is connected with each other, and the tightening machine for tightening leg is arranged in the thigh fixing piece 1 and 7 ring leg direction of shank fixing piece Structure；And correction contracting mechanism, the correction contracting mechanism pass through at least side of the parallel bar of connection shank, pass through school Positive contracting mechanism shrinks the parallel bar for connecting the shank and shank, to achieve the purpose that shank correcting simultaneously moulding.Wherein Refer to the direction for complying with leg along leg direction, ring leg direction finger ring is around the direction of leg；And tightening system choosing multiple side therein Formula is realized.

As a kind of specific embodiment of the invention, referring to Fig. 1, the thigh fixing piece 1 is specially to adapt to The thigh C-shaped securing member of thigh shape, each thigh fixing piece 1 include two secondary thigh C-shaped securing members being oppositely arranged, institute Stating shank fixing piece 7 is specially the shank C-shaped securing member for adapting to crus, and each shank fixing piece 7 equally includes phase To two secondary shank C-shaped securing members of setting.Between the thigh fixing piece 1 and the shank fixing piece 7 along leg direction be arranged and It is connected by parallel bar, correspondingly, the parallel bar includes the parallel bar 2 of thigh and the parallel bar 6 of shank, the parallel bar of thigh therein It is articulated and connected between 2 and the parallel bar 6 of shank, the parallel bar 6 of shank opens up sliding suitable for the correction contracting mechanism along leg direction Dynamic slideway 601.In this manner it is ensured that being consolidated by the fixed thigh of 1 moulding of thigh fixing piece with by 7 moulding of shank fixing piece It is free to rotate between fixed shank, user is not influenced and normally walks and is bent, and slideway 601 guarantees for patient not With deformation and the height of different patient suitably adjusted, realization is to it on the basis of not influencing patient's daily action The moulding of leg type corrects.

As a kind of specific embodiment of the invention, also referring to Fig. 1 and Fig. 2, tightening system therein be may be selected Magic binding strap 13, the magic binding strap 13 are used to the thigh fixing piece 1 and shank fixing piece 7 distinguishing the tightening of ring leg, Wherein magic binding strap 13 is equipped with and arranges multiple set parallel, and every magic binding strap 13 respectively includes the mother of mutual snapping Band and public band, the master tape of the magic binding strap 13 and public band are individually fixed in the thigh fixing piece 1 that is oppositely arranged, and (i.e. two is secondary big Leg C-shaped securing member) two sides, similarly, the master tape of the magic binding strap 13 and public band be equally individually fixed in be oppositely arranged it is small 7 two sides of leg leg fixing piece, opposite by magic binding strap 13 tighten will be oppositely arranged two secondary thigh C-shaped securing members/shank C The tightening of shape fixing piece and clamping realize that thigh C-shaped securing member and shank C-shaped securing member are conveniently unloaded or installed from leg.

Wherein, as a kind of specific embodiment of the invention, on the inside of the fixing piece can ring set cavernous body 14, i.e. thigh Fixing piece 1 and shank fixing piece 7 set cavernous body 14 close to the equal ring of thigh and shank side, can reduce user in this way and use this The impulsive contact force of tractor during the motion avoids damaging in patient's use process and abrades, and enhances user's body-sensing.

As a kind of specific embodiment of the invention, the correction contracting mechanism includes shrinkable teeth band, therein Teeth band is specially in the present embodiment shank pulling force teeth band 8, and the shank pulling force teeth band 8 docks from beginning to end and both ends phase Mutually overlapping is tensed by shank pulling force teeth band 8 overlapped end to end and achievees the effect that teeth band is tightened and shunk, and passed through Correction shrinks shank pulling force teeth band 8 and achievees the purpose that the tension moulding to shank.Also, the shank pulling force teeth band 8 Pulling force adjustable track box 10 is coated outside overlapping.

In the present embodiment, referring to Figure 2 together to Fig. 5, the correction contracting mechanism is in addition to including contractile teeth Band, i.e. shank pulling force teeth band 8, further include adjustment base 9 and position-limiting unit, and adjustment base 9 therein is used for teeth band Contraction is adjusted, and position-limiting unit therein is used to limit the punctured bit of the adjustment base 9 and the shank pulling force teeth band 8 It sets and locking position；Multiple protrusions are arranged close to described 8 one end of shank pulling force teeth band in the adjustment base 9, and the protrusion is used In locking shank pulling force teeth band 8.The adjustment base 9 is opened up far from described 8 one end of shank pulling force teeth band suitable for described small The slideway that the parallel bar 6 of leg slides, in the present embodiment, slideway herein refers to that parallel bar interts slideway 901, the i.e. parallel bar 6 of shank Intert slideway 901 across the parallel bar, it can be achieved that the parallel bar 6 of shank, which passes through the parallel bar, interts 901 relative adjustment of slideway Pedestal 9 slides.

As a kind of specific embodiment of the invention, referring to Fig. 3 and Fig. 4, the shank pulling force teeth band 8 Overlapping opens up the opening with teeth, and described project through engages final realization locking shank pulling force with the teeth of the opening Teeth band 8,10 center of pulling force adjustable track box open up through-hole and open up on the inside of the shank pulling force teeth band 8 open-minded Mouthful, the adjustment base 9 is equipped by the gap and the pulling force adjustable track box 10.The adjustment base 9 and the drawing 10 corresponding end of power adjustable track box is equipped with hollow cylinder corresponding with the through-hole, and the position-limiting unit includes across the pulling force 10 through-hole of adjustable track box and with the hollow cylinder be equipped with center of drag bar 15, for limiting shank pulling force tooth described in locking The adjusting knob lock shaft 12 of dental strip 8 and be buckled in the adjusting knob lock shaft 12 and with the pulling force adjustable track box 10 rotation connection Pulling force adjusting knob 11.

Also referring to Fig. 3 and Fig. 4, the pulling force adjustable track box 10 sets annular groove along the outer side ring of the through-hole, described Internal screw thread is equipped on the inside of annular groove, 11 outer surface of pulling force adjusting knob opens up the external screw thread with the screw-internal thread fit of the annular groove, The prism that the teeth of the adjusting knob lock shaft 12 setting and the shank pulling force teeth band 8 cooperate, the center of drag bar 15 according to It is secondary to wear the pulling force adjusting knob 11, adjusting knob lock shaft 12, pulling force adjustable track box 10 and the hollow posts with the adjustment base 9 Body is equipped.

As a kind of specific embodiment of the invention, referring to Fig. 1, knee is arranged in parallel 2 end of bar of thigh Joint outer rotary table 5, the parallel bar 6 of the shank and parallel 2 one connecting pin of bar of the thigh are arranged knee joint inner rotary table 3, in turntable Core bar 16 passes through the center of the outer rotary table 5 and the inner rotary table 3, to guarantee that outer rotary table 5 turns with the coaxial of the inner rotary table 3 It is dynamic.

As a kind of specific embodiment of the invention, please referring particularly to Fig. 1 and Fig. 2, the inner rotary table 3 is close to thigh one Inner rotary table air bag cushion 4 is fixed in side, in this way when inner rotary table 3 and outer rotary table 5 relatively rotate, can pass through the inner rotary table air bag cushion 4 Protection leg prevents plowing from and damages.

This gradual tractor is directed to the correction use process of " O " type leg are as follows:

The two of this tractor secondary thigh C-shaped securing members are buckled in the thigh arm of patient relatively, after adjusting good position, respectively According to the public band and master tape snapping position of the practical endurance of patient and leg type situation adjustment magic binding strap 13, after the completion of adjustment Public band and master tape snapping are fixed.Pulling force adjusting knob 11 is screwed out, adjusting knob lock shaft 12 unlocks shank pulling force teeth band 8, for not With the concrete condition of patient, slideway 601 of the mobile shank pulling force teeth band 8 on the parallel bar 6 of shank is slided, and adjusts pulling force 9 position of adjustment base to the highest point of " O " shape leg shank, pulls out 11 knob of pulling force adjusting knob, then rotates pulling force and adjusts Button 11, and tighten shank pulling force teeth band 8 and can bear to greatest extent to user, then inwardly push pulling force adjusting knob 11, make Pulling force adjusting knob 11 is engaged with the compression of adjusting knob lock shaft 12, and user in the state of keeping pulling force, which can be realized, freely to live It is dynamic, correction deformity is achieved the purpose that by the lasting pulling force traction to deformation position.

The invention has the benefit that

1. thigh fixing piece is connected with shank fixing piece by parallel bar, and is tightened by tightening system, realize along leg side To and ring leg direction two in terms of fixed, effectively fixed thigh and shank；Also, it is realized using correction contracting mechanism to shank leg type Correction and moulding；

2. guaranteeing to reach correction in the case where normal patient movements using the parallel bar of thigh and the parallel bar of shank is hinged The purpose of leg type, enhancing user's body-sensing easy to use；

3. it is arranged using slideway is opened up on the parallel bar of shank, and by correction contracting mechanism and the parallel bar sliding of shank, Guarantee the different situations for being directed to patient, such as correction position is accurately positioned under the influence of correction position and Patient height's factor, reaches To the purpose of correction deformity；

4. guaranteeing operation by the way of pulling force adjusting knob, adjusting knob lock shaft, adjustment base and the parallel bar cooperation of shank Simplicity；

5. adding the protective devices such as cavernous body, inner rotary table air bag cushion, patient is avoided to damage.

The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all in the present invention Inventive concept under, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/be used in it indirectly He is included in scope of patent protection of the invention relevant technical field.

Claims

1. a kind of gradual tractor characterized by comprising

Fixing piece, including thigh fixing piece and shank fixing piece, along leg between the thigh fixing piece and the shank fixing piece Direction is arranged and is connected each other by parallel bar, and the ring leg direction setting of the thigh fixing piece and shank fixing piece is used for The tightening system that leg is tightened；And

2. gradual tractor as described in claim 1, which is characterized in that the parallel bar includes the parallel bar of thigh and along leg Direction setting and hinged with the parallel bar of the thigh parallel bar of shank, the parallel bar of shank are opened up along leg direction suitable for institute State the slideway of correction contracting mechanism sliding.

3. gradual tractor as claimed in claim 2, which is characterized in that the correction contracting mechanism includes shrinkable teeth Band, the teeth band head and the tail dock and both ends are overlapped, and pulling force adjustable track is coated outside the overlapping of the teeth band Box.

4. gradual tractor as claimed in claim 3, which is characterized in that the correction contracting mechanism further includes adjustment base With for limiting the position-limiting unit of the adjustment base and the teeth with position, the adjustment base is close to the teeth band one Multiple protrusions are arranged in end, and the adjustment base opens up the cunning suitable for the parallel bar sliding of the shank far from the teeth with one end Road, the overlapping of the teeth band open up the opening with teeth, and the pulling force adjustable track box center opens up through-hole and close Gap is opened up on the inside of the teeth band, the adjustment base is equipped by the gap and the pulling force adjustable track box.

5. gradual tractor as claimed in claim 4, which is characterized in that the adjustment base and the pulling force adjustable track Box corresponding end is equipped with hollow cylinder corresponding with the through-hole, and the position-limiting unit includes logical across the pulling force adjustable track box It the equipped center of drag bar of hollow cylinder described in Kong Bingyu, the adjusting knob lock shaft for limiting teeth band described in locking and is buckled in The adjusting knob lock shaft and the pulling force adjusting knob being rotatablely connected with the pulling force adjustable track box.

6. gradual tractor as claimed in claim 5, which is characterized in that the pulling force adjustable track box is along the through-hole Outer side ring sets annular groove, is equipped with internal screw thread on the inside of the annular groove, pulling force adjusting knob outer surface opens up the interior spiral shell with the annular groove The prism that the teeth of the external screw thread of line cooperation, the adjusting knob lock shaft setting and the teeth band cooperate, the center of drag bar It successively wears the pulling force adjusting knob, adjusting knob lock shaft, pulling force adjustable track box and matches with the hollow cylinder of the adjustment base Dress.

7. gradual tractor as claimed in claim 2, which is characterized in that outside the parallel boom end setting knee joint of thigh Knee joint inner rotary table is arranged in turntable, the parallel bar of shank and parallel one connecting pin of bar of the thigh, and center of turntable bar passes through institute State the center of outer rotary table Yu the inner rotary table.

8. gradual tractor as claimed in claim 7, which is characterized in that fixed interior turn close to thigh side of the inner rotary table Disk air bag cushion.

9. the gradual tractor as described in claim 1 to 8 any one, which is characterized in that the tightening system includes evil spirit Art binding strap, the magic binding strap are used for the thigh fixing piece and the difference ring leg tightening of shank fixing piece.

10. gradual tractor as claimed in claim 9, which is characterized in that side ring sets cavernous body in the fixing piece.