CN100594859C - Appliance for knee joint varus and valgus deformity - Google Patents

Appliance for knee joint varus and valgus deformity Download PDF

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Publication number
CN100594859C
CN100594859C CN200810015103A CN200810015103A CN100594859C CN 100594859 C CN100594859 C CN 100594859C CN 200810015103 A CN200810015103 A CN 200810015103A CN 200810015103 A CN200810015103 A CN 200810015103A CN 100594859 C CN100594859 C CN 100594859C
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China
Prior art keywords
cuff
steel cylinder
appliance
knee joint
shin
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Expired - Fee Related
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CN200810015103A
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Chinese (zh)
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CN101239011A (en
Inventor
徐军
秦川
李云恺
陈丽艳
高浩源
朱新炜
韩建龙
左金良
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Jinan No4 People's Hospital
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Jinan No4 People's Hospital
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Publication of CN101239011A publication Critical patent/CN101239011A/en
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Publication of CN100594859C publication Critical patent/CN100594859C/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention relates to an eversion and enstrophe malformation corrector of knee joint, which comprises a thigh socket and a curs socket, further comprising a gimbal arranged at the inside, outside or two sides of the leg and fixedly and respectively connected with the thigh socket and the curs socket through a connecting board, and a leg socket connected with the curs socket through the connecting board. Wherein the gimbal can rotate around the centre axis and bend at the joint of the two connecting rods. The leg socket is articulated with the curs socket through the connecting board. Underthe circumference that sufferers can walk as normal man, the invention can ensure the abrasion surface of the knee joint recover naturally, with convenient use and low cost.

Description

The inside and outside talipes varus appliance of knee joint
(1) technical field
The present invention relates to the inside and outside talipes varus appliance of a kind of knee joint, especially relate to the inside and outside talipes varus appliance of a kind of adjustable knee, belong to technical field of medical instruments.
(2) background technology
Along with the aging of China's population, the sickness rate of knee joint osseous arthritis is also in rising trend.This disease is the one of the main reasons that causes old people's gonalgia, the people more than 50 years old, and knee joint often has the performance of knee joint osseous arthritis.
Friction sense and pain under the kneecap appear during for active movement in the osteoarthritis early symptom, and pain increased the weight of when stair activity and seat stood, when knee joint swelling, hydrarthrosis occurring because of wound or after spraining.Unable because of pain and quadriceps femoris, " mishap " phenomenon can appear in knee joint, gives expectant treatment and rest 1-2 month symptom can disappear, but because of microtrauma easily repeatedly.Late period due to illness feelings progressively develop atrophy of quadriceps femoris can appear, knee joint is thick, joint motion is limited, active and passive activity scope gradually reduce, arthralgia increases the weight of, level road also pain can occur when walking or standing, knee joint is turned over or valgus deformity in occurring, and articular ligament occurs lax, causes the joint instability sense, the film making of X line is often negative in early days, and lower edge has ossiculum thorn hypertrophy on the accidental patella lateral projection.With PD, it is narrow the joint space to occur, the subcartilaginous osseous lamella densification, ridge hyperosteogeny severe patient erect position is taken the photograph anteroposterior film between edge, joint and condyle, knee joint inboard or outside narrow gaps can appear, the severe patient joint space disappears, and abnormal change takes place at a burst shin angle, because of the infull slippage of knee joint can appear in joint ligament relaxation.
Because of the change of knee joint thigh shin angle and joint space, make knee joint surface lose normal stressed relation, occurred turning in the knee joint or valgus deformity, the side articular surface that compression chord is heavy, excessive because of loading, cause articular cartilage face heavy wear and destroy.In order to correct burst shin angle and the inside and outside talipes varus of knee joint, usually take the correction by osteotomy deformity, operative treatments such as the feasible knee joint surface replacement of severe patient, but because of osteoarthritis mostly occurs the old people, and old people's self health status is relatively poor relatively, as suffer from diseases such as the heart, cerebrovascular more, limited the operative treatment scope; Because of operation there being the required expensive surgery cost of the feared state of mind and joint replacement, general family is not easy to accept, and has incured loss through delay treatment of diseases in addition, and disabling can appear in severe patient.
The geneogenous genu varum of other, turn up, just everybody said at ordinary times " o " shape lower limb, " x " shape lower limb, therapy mainly contains at present: the infant that internal medicine is light to the state of an illness, the age is little adopts heavy dose of supply vitamin D, and the heavier person of deformity then adopts Gypsum Fibrosum to add the method for turnbuckle device; Older patient also has according to the state of an illness and adopts osteoclasia or osteotomy corrigent.For adopting Gypsum Fibrosum to add the method for turnbuckle device, infant must keep certain position posture in bed, can not descend ground movable in several weeks, and infant is difficult to bear; Belong to artificial fracture and adopt osteoclasia or osteotomy to correct, than higher, the patient suffering is big to specification requirement, required expense height, and many patients are difficult to accept, and miss good curing opportunity.
Occurred at present that a lot of mechanical orthotic knee intraarticular turn over, the utensil of valgus deformity, wherein China Intellectual Property Office disclosed a kind of knee brace with sagittal adjustment on the 15th in December in 2004, name is called " can before and after regulate knee brace ", application number is 9981344.6, and Granted publication number is CN1179709C.This invention to existing orthotic knee intraarticular turn over, the utensil of valgus deformity contrasts and describes in detail, and the scheme that it adopts thigh cuff and shin cuff to be connected by a hinge that only is arranged on knee brace one side, hinge can provide sagittal corrective force, with the aligning of knee is become to turn up or in turn over.But this scheme only is that the knee position is corrected owing to connect thigh cuff and shin cuff by hinge, still can't avoid kneed friction, the requirement that impaired joint of knee joint itself recovered.
(3) summary of the invention
The present invention is directed to present operation orthotic knee intraarticular and turn over, turn up that the patient suffering is big, expense is high, Gypsum Fibrosum adds the turnbuckle device needs bed rest time long, and the patient can not careless active defective, provides a kind of easy to use, the patient can be free movable, the inside and outside talipes varus appliance of the knee joint that cost is low.
The present invention is by the following technical solutions:
The inside and outside talipes varus appliance of knee joint of the present invention comprises thigh cuff and shin cuff, also comprise and be arranged on inboard leg, the outside or both sides, and the universal joint that is fastenedly connected by connecting plate and described thigh cuff and shin cuff respectively, and the footmuff hoop that is connected with described shin cuff by connecting plate.Wherein universal joint comprise the steel cylinder that is welded on the thigh cuff connecting plate and has female thread, with this steel cylinder threaded engagement have internal and external threads steel cylinder, with this have the connecting rod of internal and external threads steel cylinder threaded engagement, by bearing pin and the flexible connection of this connecting rod other end connecting rod and be welded in steel cylinder on the shin cuff connecting plate.The connecting rod other end that is connected with shin cuff is provided with the axle collar, and this axle collar outside shaft part is provided with annular groove, the unthreaded hole that corresponding steel cylinder relative set cooperates with the above-mentioned axle collar and shaft part, axis hole, and be provided with by the screw of above-mentioned annular groove to this connecting rod axial limiting.The footmuff hoop is then hinged by connecting plate and shin cuff.
The inside and outside talipes varus appliance of above-mentioned knee joint, described thigh cuff, shin cuff and footmuff hoop and human physiological structure adapt, wherein thigh cuff and shin cuff leave the nargin of 3-5cm corresponding to the human physiological structure, corresponding to the lower limb rear section is uncovered, and both also are provided with the magic tape that is used for colligation; Footmuff hoop and sole structure adapt, and other faces are uncovered.
The inside and outside talipes varus appliance of above-mentioned knee joint, thigh cuff, shin cuff and footmuff hoop are the plastic substrate that is evenly equipped with passage, and its inboard is provided with the cotton lining.Perhaps in thigh cuff, shin cuff front side a strip hole is set, its inboard is provided with uniform foraminous sponge or cotton lining.
The inside and outside talipes varus appliance of above-mentioned knee joint, described steel cylinder with female thread is provided with the lock bolt of the steel cylinder that is mated, and this steel cylinder then is provided with the lock bolt of the connecting rod that is mated.
The inside and outside talipes varus appliance of knee joint of the present invention comprises thigh cuff and the shin cuff of colligation in thigh and shank, and universal joint, and this universal joint is connected with shin cuff with thigh cuff by connecting plate.Above-mentioned universal joint comprises two connecting rods that link to each other by bearing pin, and the bearing pin connected mode is a kind of revolute pair, and just two members can be around the rotation of bearing pin axis, thereby realizes mechanism that two connecting rods constitute free bend herein.Be connected in simultaneously shank to the connecting rod other end be provided with the axle collar, this axle collar outside shaft part is provided with annular groove, the unthreaded hole that corresponding steel cylinder relative set cooperates with the above-mentioned axle collar and shaft part, axis hole, because of shape corresponding, that is to say at the steel cylinder endoporus to have step, be used to bear the pressure of this connecting rod.This steel cylinder is provided with by the screw of above-mentioned annular groove to this connecting rod axial limiting in addition, prevents that it breaks away from steel cylinder, and does not influence its rotation, and this structure can make connecting rod around its axis revolution.Thereby realize the rotation of this universal joint and in the bending of two connecting rod junctions.Company's pole part of thigh side can be by rotating the distance of threaded adjusting two lower limb inner rooms mainly by being threaded simultaneously.Suffer from limb to patient during actual the use this utensil is installed, thigh cuff and shin cuff are used for to this appliance spacing, according to suffering from the actual corrigent needs of limb, universal joint is located at the inboard leg or the outside, also can all be provided with both sides, by adjusting thigh side screw thread, correct the angle of suffering from limb bone shin angle, one side joint injury face of genu varum or valgus deformity is lightened the load, prevent further wear-out failure.Shank side connecting rod makes the bearing pin pivot center consistent with the human knee joint axis of movement by turning round automatic adjustment two connecting rods, can make universal joint with people's lower limb motion bending, just realized also that the patient needn't lie in bed and rested, put on this appliance, can equally with the normal person walk, utilize this appliance to strut maleformation, form machinery and correct, the then corresponding load that alleviated of joint injury face helps it and recovers naturally.For load-bearing is delivered to ground, the footmuff hoop then is connected with the shin cuff hinge by connecting plate simultaneously, also prevents shin cuff because of the load-bearing landing so simultaneously, and it also is a kind of rotary pair that hinge connects, and can make the footmuff hoop consistent with people's ankle motion.
The thigh cuff of the inside and outside talipes varus appliance of knee joint of the present invention, shin cuff and footmuff hoop and human physiological structure adapt, and use more comfortable.Wherein thigh cuff and shin cuff are worn conveniently corresponding to the nargin that the human physiological structure leaves 3-5cm.Corresponding to the lower limb rear section is uncovered, and both also are provided with the magic tape that is used for colligation, utilizes the distortion of cuff self, carries out colligation by magic tape, very convenient.And footmuff hoop and sole structure adapt, and other faces are uncovered, simple in structure, also are convenient to wear shoes.
The inside and outside talipes varus appliance of knee joint of the present invention thigh cuff, shin cuff and footmuff hoop are the plastic substrate that is evenly equipped with passage, and its inboard is provided with the cotton lining, one is that the plastics ratio is easier to molding, cheap for manufacturing cost, uniform in the above passage and the cotton lining is set simultaneously, comfort is relatively good.Also can adopt in thigh cuff, shin cuff front side and be provided with a strip hole, its inboard is provided with uniform foraminous sponge or cotton lining, this scheme also can play the effect of snugness of fit, poorer slightly than preceding a kind of scheme comfort, but because of so much hole needn't be set, be convenient to make, cost is lower.
Consider getting loose under the situations such as being threaded in vibration, the present invention is provided with the lock bolt that is mated steel cylinder at the steel cylinder with female thread, and the latter then is provided with the lock bolt that is mated connecting rod.Two lower limbs to be adjusted cover distance is during to service range, tightens lock bolt and two threaded connection places are locked gets final product.
(4) description of drawings
Fig. 1 is the inside and outside talipes varus appliance of a knee joint of the present invention principle sectional structure sketch map.
Fig. 2 is the universal joint modular construction schematic diagram of the inside and outside talipes varus appliance of knee joint of the present invention.
Among the figure, 1, thigh cuff, 2, connecting plate, 3, universal joint, 4, connecting plate, 5, shin cuff, 6, connecting plate, 7, the footmuff hoop, 8, steel cylinder, 9, locking bolt, 10, locking bolt, 11, steel cylinder, 12, connecting rod, 13, connecting rod, 14, the axle collar, 15, polyurethane axle sleeve, 16, steel cylinder, 17, annular groove.
(5) specific embodiment
Embodiment 1:
With reference to Figure of description 1 and 2, the inside and outside talipes varus appliance of knee joint of the present invention comprises thigh cuff 1 and shin cuff 5, and be arranged on inboard leg, and the universal joint 3 that is fastenedly connected by connecting plate 2,4 and described thigh cuff 1 and shin cuff 5 respectively, and the footmuff hoop 7 that is connected with described shin cuff by connecting plate 6.Above-mentioned connecting plate adopts stainless-steel sheet, mainly considers its intensity, adopts the high steel plate of intensity, can realize less size, just can reach required requirement of strength, also makes the appliance more compact structure.
Wherein universal joint comprise the steel cylinder 8 that is welded in connecting plate 2 and has female thread, with the steel cylinder 11 of this steel cylinder threaded engagement, with the connecting rod 12 of steel cylinder 11 threaded engagement, by bearing pin and the flexible connection of this connecting rod other end connecting rod 13 and be welded in steel cylinder 16 on the above-mentioned connecting plate 4, above-mentioned connecting rod 13 other ends are provided with the axle collar 14, this axle collar outside shaft part is provided with annular groove 17, the unthreaded hole that steel cylinder 16 relative set cooperate with the above-mentioned axle collar and shaft part, axis hole, and be provided with by the screw of above-mentioned annular groove to connecting rod 13 axial limitings.To produce noise and buffering needs in order reducing in the use, to contact with steel cylinder 16 table tops at the axle collar 14 and add a polyurethane axle sleeve 15.
6 of footmuff hoop 7 and connecting plates are connected through the hinge, and construct artificial ankle joint, and the action in the time of walking with the people is moved.
The thigh cuff 1 of the inside and outside talipes varus appliance of knee joint of the present invention, shin cuff 2 and footmuff hoop 3 adapt with the human physiological structure, wherein thigh cuff and shin cuff leave the nargin of 3cm corresponding to the human physiological structure, corresponding to the lower limb rear section is uncovered, and this is mainly is convenient to dress.And both also are provided with the magic tape that is used for colligation.Footmuff hoop and sole structure adapt, and other faces are uncovered.Wherein thigh cuff, shin cuff and footmuff hoop 3 are the plastic substrate that is evenly equipped with passage, and side is provided with the cotton lining within it.
The inside and outside talipes varus appliance of knee joint of the present invention, described female thread steel cylinder 8 is provided with the lock bolt 9 of described steel cylinder 11, and 11 of steel cylinders are provided with the lock bolt 10 of described connecting rod 12.
There is impaired situation in the inboard joint that present embodiment is mainly used in genu varum or valgus deformity.
Embodiment 2:
With reference to Figure of description 1 and 2, this enforcement ideal should be in embodiment 1, and the main distinction is that just universal joint 3 is provided with right leg outer side for there is impaired situation in the joint, the outside that is applied to genu varum or valgus deformity.Consider manufacturing cost simultaneously, adopt thigh cuff 1, shin cuff 2 front sides to be provided with a strip hole, its inboard is provided with uniform foraminous sponge or cotton lining.Thigh cuff and shin cuff leave the nargin of 4cm corresponding to the human physiological structure.This nargin is big more in fact, easy more wearing, but the colligation meeting is brought adverse effect, just, need bigger colligation power for the resilience force of balance lower limb cover matrix.This size is 5cm to the maximum, and too big then required colligation power is excessive, and it is firm to be not easy colligation.
Embodiment 3:
With reference to Figure of description 1 and 2, for obtaining better rectification effect, no matter be that genu varum or that side articular surface of valgus deformity are impaired in fact, have better effect if adopt in lower limb the outside a universal joint 3 to be set.One is because of adopting two universal joints to make whole appliance structural strength height, and good stability is adjusted more convenient besides.For all impaired situation of whole articular surface, this is an inevitable choice among the present invention.

Claims (5)

1. inside and outside talipes varus appliance of knee joint, comprise thigh cuff (1) and shin cuff (5), it is characterized in that: described appliance also comprises the universal joint (3) that is arranged on inboard leg, the outside or both sides, this universal joint is fastenedly connected by first connecting plate (2) and described thigh cuff (1), and is fastenedly connected by second connecting plate and shin cuff (5); Described appliance also comprises the footmuff hoop (7) that is connected with described shin cuff by the 3rd connecting plate; Wherein,
Universal joint comprises first steel cylinder (8) that is welded in first connecting plate (2) and has female thread, second steel cylinder (11) with this steel cylinder threaded engagement, head rod (12) with second steel cylinder (11) threaded engagement, second connecting rod (13) that flexibly connects by bearing pin and this connecting rod other end and be welded in the 3rd steel cylinder (16) on above-mentioned second connecting plate, above-mentioned second connecting rod (13) other end is provided with the axle collar (14), this axle collar outside shaft part is provided with annular groove (17), the 3rd steel cylinder (16) relative set is the unthreaded hole that axis hole cooperates with the above-mentioned axle collar, and the 3rd steel cylinder setting is by the screw of above-mentioned annular groove to second connecting rod (13) axial limiting;
Being connected to hinge between footmuff hoop (7) and the 3rd connecting plate is connected.
2. the inside and outside talipes varus appliance of knee joint according to claim 1, it is characterized in that: described thigh cuff (1), shin cuff (5) and footmuff hoop (7) adapt with the human physiological structure, wherein thigh cuff and shin cuff leave the nargin of 3-5cm corresponding to the human physiological structure, corresponding to the lower limb rear section is uncovered, and both also are provided with the magic tape that is used for colligation; Footmuff hoop and sole structure adapt, and other faces are uncovered.
3. the inside and outside talipes varus appliance of knee joint according to claim 2 is characterized in that: thigh cuff (1), shin cuff (5) and footmuff hoop (7) are the plastic substrate that is evenly equipped with passage, and this plastic substrate inboard is provided with the cotton lining.
4. the inside and outside talipes varus appliance of knee joint according to claim 2, it is characterized in that: thigh cuff (1), shin cuff (5) front side respectively are provided with a strip hole, and thigh cuff and shin cuff inboard are provided with uniform foraminous sponge or uniform foraminous cotton lining.
5. according to the inside and outside talipes varus appliance of the described knee joint of one of claim 1 to 4, it is characterized in that: described female thread first steel cylinder (8) is provided with the lock bolt (9) of described second steel cylinder (11), and second steel cylinder (11) then is provided with the lock bolt (10) of described head rod (12).
CN200810015103A 2008-03-06 2008-03-06 Appliance for knee joint varus and valgus deformity Expired - Fee Related CN100594859C (en)

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CN200810015103A CN100594859C (en) 2008-03-06 2008-03-06 Appliance for knee joint varus and valgus deformity

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CN100594859C true CN100594859C (en) 2010-03-24

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106937899B (en) * 2017-03-29 2020-07-28 延安大学附属医院 External fixation brace for correcting varus and valgus deformity of knee joint

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