CN109646234A - A kind of congenital dislocation of hip joint reseting fixture - Google Patents

Abstract

The invention belongs to medical auxiliary apparatus technical field, a kind of particularly congenital dislocation of hip joint reseting fixture.It is treated at present using frog leg position gypsum, infant is fixed on breast-stroke position, and can only make even clinostatism, cannot turn over, and cannot stand, and cannot creep, and increases the pain that medical staff treats difficulty and patient.Reseting fixture of the present invention includes pedestal, bed board, and bed board is equipped with extension, and support device is equipped between pedestal and bed board, and extension is vertically upward equipped with fixed column far from bed board one end.It is the configuration of the present invention is simple, stabilization, comfortable, convenient for operation, only need a people that child's both legs are put in outer exhibition position, gypsum can be carried out under this stable state to fix, and saved the time, alleviated the labor intensity of doctor, it is suitble to various figure children, perspective is convenient, shortens the operating time, reaches satisfied clinical effectiveness.

Description

A kind of congenital dislocation of hip joint reseting fixture

Technical field

The invention belongs to medical auxiliary apparatus technical fields, and particularly a kind of congenital dislocation of hip joint replacement and fixation fills It sets.

Background technique

Congenital dislocation of hip joint is also known as developmental dislocation of hip joint (Developmental Dysplasia of the Hip, DDH) it is more typical congenital abnormality, femoral head loses the normal relation of itself and acetabular bone in joint capsule, so that going out It is unable to normal development before death and after birth.Congenital dislocation of hip joint is a kind of pair of biggish lesion of Children Health Effect, is to lead One of the principal disease of children's physical disabilities is caused, early diagnoses and the clinical effectiveness of early treatment is satisfactory, Er Qiezhi Treatment is more early, and treatment is simpler, and obtained effect is also better, is generally advisable with 3 years old or less.

For young infant, the method for considering to take conservative therapy first is to utilize hip without performing the operation Joint special posture, such as outer exhibition position or frog leg position make to keep after hip-joint repositioning stablizing, generation be mutually adapted and it is more stable just Normal structure feature promotes joint development, resets and maintains the regular hour, bounces back to joint capsule close to normally, removes fixation After can no longer dislocate.Following methods are referred to be treated and nursed:

1, neonatal period triangle rests the head on method

(1) two leg perineum puts triangle pillow, and two legs is made to keep outreach frog leg position；

(2) diaper should pad thickness；

2, even clothing harness cure (special clothing socks)

(1) alternately cleaning uses standby two sets of harnesses；

(2) overlong time of loosening when replacement is avoided；

(3) both legs must not close up when embracing, lie or crouch, and should keep outreach frog leg position；

(4) mobile buttonhole is increased according to children's monthly age and keeps correct position；

3, abduction frame fixation.

Targetedly therapeutic modality is using conservative therapy or operative treatment at present, and conservative therapy is using frog leg position gypsum Or treatment is fixed in breast-stroke orthoses etc., the fixed purpose of frog leg position gypsum is to reset femoral head in acetabular bone to stablize and mould Joint is made, often needs 20-90 ° of hip abduction, but aggravating activities can be such that femoral head deviates from again, while the course of disease is long, treatment disease Journey needs 6-9 months.During treatment in 6-9 months, infant is fixed on breast-stroke position, and can only make even clinostatism, cannot turn over, no It can stand, cannot creep.

It is clinical at present that congenital dislocation of hip joint is treated using function plaster ligamentopexis, it is solid also known as outside hip spica cast Fixed, which is that the head, trunk and buttocks of patient is required to support, and allows it to keep optimum position, is just conducive to doctor Planter cast operation is carried out with the shortest time；If the fixation of infant supine body position is unstable, when gypsum operation room progress gypsum is fixed, Be unfavorable for operating, increase the labor intensity of medical staff, and fixed support device used at present do not have child height into The function of row adjustment or adjusting are inconvenient, increase the pain that medical staff treats difficulty and patient.

Summary of the invention

The purpose of the present invention is: prostrate potential head, the trunks for developing a kind of perfect in shape and function to fix, support device, the device For the gypsum fixed operation in function plaster ligamentopexis treatment congenital dislocation of hip joint reseting procedure, fixes, supports knot Structure can facilitate medical staff to complete gypsum fixed operation, it may also be used for the x-ray fluoroscopy inspection of gypsum fixation postures, and supporting It can ensure that eyes of patients are not pressurized, breathe unimpeded and convenient for disassembly and assembly, easy cleaning when head.

Used technical solution is to solve above-mentioned technical problem:

A kind of congenital dislocation of hip joint reseting fixture, it is characterised in that:

The reseting fixture includes pedestal, bed board；

The pedestal is in pedestal I-shaped, as replacement and fixation equipment, and pedestal includes stringer board, transverse slat, and there are two transverse slat tools, divides It is not located at the both ends of stringer board, is fixedly connected between stringer board and two transverse slats or integrally formed；

Above the bed board is rectangle tabular, is fixed on bottom plate, the middle position of a short end of bed board, which is equipped with, to be extended Portion, extension and bed board assembly connection；

Support device is equipped between the pedestal and bed board, which is used to bed board being fixedly mounted in pedestal；

The extension is vertically upward equipped with fixed column far from bed board one end.

The support device is more root posts, and column one end is fixed on the base, and the other end is fixed on bed board and/or extension In portion, bed board and extension is enable to be firmly secured on pedestal.

The extension is equipped with sliding block, and bed board is equipped with guide rail, sliding block and guide rail phase assembly connection, realizes extension in bed board Upper flexible adjustment；

Support device between fixed column of the extension far from bed board one end and pedestal-bed board is mutually fixedly connected or is integrated Formula structure；

The extension is equipped with plug assembly or bayonet unit, table of the fixed column close to extension side close to one end of fixed column Face is equipped with the jack or clamp to match with plug assembly, bayonet unit, and realization extension is flexibly connected with fixed column.

The column bottom end being connected with fixed column, pedestal stringer board on be arranged sliding rail device, the sliding rail dress It sets and is slided for column and fixed column along stringer board horizontal direction.

The extension uses board plug type, and extension mutually separates with fixed column, for the movable connection structure of mutual interpolation, and Fixed column is mutually fixedly connected, so that fixed column is fixedly mounted on pedestal by column with the column of support device.

The fixed column or extension are equipped with leg supporting element, which has symmetrical a pair of of supporter, should Supporter is assemblied on fixed column or extension, and is stretched to two sides, for holding up, supporting infant both legs.

The supporter is through hinge assemblies in fixed column or extension, and the shaft of hinge is horizontally disposed with and and stringer board In parallel, supporter is enable to rotate in fixed column or two shoulder-like of extension.

The supporter is assemblied in fixed column, and the supporter is equipped with cyclic adapting piece, the ring close to fixed column one end Shape connector is mounted in fixed column, and cyclic adapting piece includes fixed part and rotation section, and axis is used between fixed part and rotation section Assembly connection is held, fixed part is fixed in fixed column, passes through hinge phase assembly connection between rotation section and supporter；

The supporter passes through cyclic adapting piece in the horizontal direction and rotates around fixed column, realizes that medical staff is (big to infant upper limb Leg) and trunk between bending angle adjust；

The supporter is rotated in vertical direction by the shaft of hinge around hinge, realizes medical staff to infant two sides upper limb Abduction angle adjustment between (thigh).

The supporter includes mainboard, subplate, and mainboard one end passes through hinge, cyclic adapting piece and the fixed column mutually company of assembly It connects, the other end connects subplate；

It is fixedly connected or is integrally formed between the mainboard and subplate or shaft connects or removable plug, when mainboard and subplate are adopted When being connected with rotating shaft mode, shaft connection shaft used turns perpendicular to horizontal plane, subplate where bed board around the shaft level It is dynamic；When between mainboard and subplate use detachable interpolation connection when, the angle between subplate and mainboard is rectangular, and mainboard with It is detachable interpolation connection between hinge.

The both ends of the pedestal transverse slat are equipped with handle and/or idler wheel, to be easy to use the reseting fixture transhipment to suffer from Youngster.

The beneficial effects of the present invention are:

(1) the configuration of the present invention is simple, stabilization, comfortable, convenient for operation, infant reset is placed on fixed bracket, only needs a people will Child's both legs are put in outer exhibition position, and gypsum can be carried out under this stable state and is fixed, saves the time, the labour for alleviating doctor is strong Degree makes to be able to maintain the stable state after resetting after gypsum is fixed；

(2) intend measuring the infant habitus index of large sample, the specification of various X-ray machines is final to solve to be suitble to various bodies Type patient, the equipment in various X-ray examination instrument flexible operating spaces；

(3) the economic, practical material of this equipment choosing, design are suitble to various figure children, and X-ray machine is convenient for flexible operating, I.e. operating space is big, reduces the operating time；

(4) easily operation equipment is provided to clinical patients, provides equipment to orthopaedics department, reach certain economic benefit, contracts The short operation time reaches satisfied clinical effectiveness.

Detailed description of the invention

Attached drawing is as follows:

Fig. 1 is the structural schematic diagram of the embodiment of the present invention one；

Fig. 2 is the use state diagram of the embodiment of the present invention one；

Fig. 3 is the structural schematic diagram of the embodiment of the present invention two；

Fig. 4 is the structural schematic diagram that the embodiment of the present invention two has plug assembly and jack；

Fig. 5 is part (portion A) enlarged structure schematic diagram in Fig. 4 embodiment of the present invention two；

Fig. 6 is the structural schematic diagram of the embodiment of the present invention three；

Fig. 7 is part (portion B) enlarged structure schematic diagram in Fig. 6 embodiment of the present invention three.

Wherein:

1 pedestal, 11 transverse slat, 12 stringer board

2 bed board, 21 extension, 22 fixed column, 23 sliding block, 24 guide rail, 25 plug assembly, 26 jack

3 support device, 31 column, 32 sliding rail device

4 leg supporting element, 41 supporter, 42 mainboard, 43 subplate, 44 cyclic adapting piece, 45 fixed part, 46 rotation section, 47 hinge.

Specific embodiment

[embodiment 1]

As shown in Figure 1, a kind of congenital dislocation of hip joint reseting fixture, it is characterised in that:

The reseting fixture includes pedestal, bed board；

The pedestal is in pedestal I-shaped, as replacement and fixation equipment, and pedestal includes stringer board, transverse slat, and there are two transverse slat tools, divides It is not located at the both ends of stringer board, is fixedly connected between stringer board and two transverse slats or integrally formed；

Above the bed board is rectangle tabular, is fixed on bottom plate, the middle position of a short end of bed board, which is equipped with, to be extended Portion, extension and bed board assembly connection；

Support device is equipped between the pedestal and bed board, which is used to bed board being fixedly mounted in pedestal；

The extension is vertically upward equipped with fixed column far from bed board one end.

As shown in Fig. 2, in use, infant along bed board longitudinal direction head outwardly, i.e., infant head is towards far from fixed column side It carries over rectangle bed board longitudinal direction to placement, body and lies supine upon on bed board, infant crotch, i.e. two leg perineums are against fixation Column, two legs separately stretch to two sides, and infant both legs can be helped by medical staff.When infant is placed on bed board by above-mentioned position, Buttocks middle position is supported by extension, i.e., the lumbar vertebrae of infant and/or rumpbone and/or coccyx position be placed on extension just on Side, plays a supporting role；In addition, to keep medical staff more convenient to the operation of infant planter cast, it can be by the extension of bed board side Portion is arranged as narrow as possible, and the influence for operating extension to planter cast is minimum.

The support device can be more root posts, and column one end is fixed on the base, the other end be fixed on bed board and/or On extension, bed board and extension is enable to be firmly secured on pedestal.It further, can also be using with activity adjustment The support device of structure, such as lead screw, scissor structure make that height can be adjusted between bed board and pedestal, to facilitate medical staff Operation.

[embodiment 2]

As shown in Figure 3,4, on that basi of the above embodiments, extension described in the present embodiment is equipped with sliding block, and bed board is equipped with guide rail, sliding Block and guide rail phase assembly connection are realized that extension stretches on bed board and are adjusted；

Support device between fixed column of the extension far from bed board one end and pedestal-bed board is mutually fixedly connected or is integrated Formula structure；

The extension is equipped with plug assembly or bayonet unit, table of the fixed column close to extension side close to one end of fixed column Face is equipped with the jack or clamp to match with plug assembly, bayonet unit, and realization extension is flexibly connected with fixed column.

Further, sliding rail device can also be set on the stringer board of the column bottom end, pedestal that are connected with fixed column, The sliding rail device may be implemented the column (being connected with fixed column) and fixed column and slide along stringer board horizontal direction；Work as extension When the one end in portion is connect with fixed column using fixed form, with respect to bed board flexible adjustment occurs for extension, cooperates fixed column, column Horizontal sliding, can be realized the telescopic adjustment of extension on stringer board.The telescopic adjustment of above-mentioned extension acts, and purpose exists In: medical staff can be such that infant obtains on it completely according to the entire length of infant body size adjusting bed board and extension Support；In addition, frog leg position gypsum is arranged to infant in medical staff, positioned at the gypsum of infant waist according to the state of an illness feature of infant Position possible position is lower, only accomplish children patient hip joint or more can (or lower), it is also possible to need gypsum getting to infant Waist (or above higher position).For convenience of the operation of medical staff's planter cast, in the case where meeting support, infant body bottom Support construction is simpler, impetus is the smaller the better, therefore, above-mentioned extension and other related matched accessories (including but It is not limited to fixed column, column, sliding rail device) it may be implemented to adjust with the work requirements of infant physical qualification, medical staff Whole support construction is fixed with the frog leg position gypsum for facilitating first hip to reset.

In use, first extension is promoted along guide rail to fixed column direction, by extension front end (i.e. close to the one of fixed column End) plug assembly insertion (or corresponding connecting moves is done according to the architectural characteristic of plug assembly) fixed column on and plug assembly Corresponding jack realizes the assembly connection of extension and fixed column, meanwhile, fixed column is connected with the support device of bed board, By support device extension is reinforced between fixed part and pedestal.

The guide rail of the sliding block of the extension, bed board, the two assembly connection realize extension front and back (i.e. edge on bed board Long side, the horizontal direction of rectangle bed board) adjustment of stretching.

As shown in Figure 4,5, the extension uses board plug type, i.e. extension is mutually separated with fixed column, for mutual interpolation Movable connection structure, and fixed column is mutually fixedly connected, so that fixed column is fixedly mounted by column with the column of support device On pedestal；Infant waist hip is supported using the extension of board plug type, in use, extension is first plugged into fixed column On corresponding jack, keep extension secured, infant is placed on bed board and extension, medical staff carries out planter cast operation； During planter cast, infant waist hip is close in the front end of extension, and extension is got in gypsum together with infant body Chamber (i.e. in gap of the extending part between infant body and gypsum cavity wall), determined to gypsum shape, position, angle etc., And after gypsum sets are fixed, then extension shunk, is taken out from infant waist hip, thus to infant waist during realizing planter cast The support of hip facilitates medical staff to operate.

Further, the slide construction being made of sliding block-guide rail between extension and bed board, is also possible to drawing and pulling type , i.e., bed board longitudinal direction, middle part are equipped with groove, and the extension of plate can be placed in the groove, and extension can this be recessed Free pull, sliding in slot, in addition, being equipped with ratchet restraint device between extension and groove, the ratchet restraint device is for limiting Determine relative position of the extension in groove, it can extension is limited in one by the locking structure on ratchet restraint device On fixed position, move extension, to guarantee that the infant waist hip supported by extension is stable, not slip.It is described Ratchet, which limits device, can be any of scheme in the prior art, and structure constitutes simple, routine, repeat no more.

[embodiment 3]

As shown in fig. 6, on that basi of the above embodiments, fixed column or extension described in the present embodiment are equipped with leg supporting element, the leg Supporting element has symmetrical a pair of of supporter, which is assemblied on fixed column or extension, and stretches to two sides, uses In picking-up, support infant both legs.

The supporter is through hinge assemblies in fixed column or extension, and the shaft of hinge is horizontally disposed with and and stringer board In parallel, supporter is enable to rotate in fixed column or two shoulder-like of extension.

In use, first infant dorsal position is placed on bed board, upper body metastomium is on bed board and extension, infant crotch Portion is against in fixed column, and both legs separately stretch to two sides；According to the severity extent and situation of infant elder generation hip, the branch of the right and left is adjusted Support body makes infant unilateral or bilateral knee that certain angle be unfolded outward, after which meets the reset requirement of doctor elder generation hip, leads to The locking system being arranged on supporter hinge or brace apparatus is crossed to fix supporter abduction angle；Medical staff can be right The positions such as infant leg, hip carry out planter cast operation.

As shown in fig. 7, the supporter is assemblied in fixed column, the supporter is equipped with cyclic annular connect close to fixed column one end Fitting, the cyclic adapting piece are mounted in fixed column, and cyclic adapting piece includes fixed part and rotation section, fixed part and rotation section it Between use bearing assembly connection, fixed part is fixed in fixed column, passes through hinge phase assembly connection between rotation section and supporter；

The supporter passes through cyclic adapting piece in the horizontal direction and rotates around fixed column, realizes that medical staff is (big to infant upper limb Leg) and trunk between bending angle adjust；

The supporter is rotated in vertical direction by the shaft of hinge around hinge, realizes medical staff to infant two sides upper limb Abduction angle adjustment between (thigh).

The application method of this programme and above scheme are essentially identical, the difference is that: this programme is in supporter and fixation Cyclic adapting piece is provided between column, to realize supporting element along planar horizontal rotation where bed board, it is possible thereby to adjust on infant Angle between limb and upper body trunk.Medical staff is when carrying out first hip reduction therapy, usually first to infant hip and leg Preliminary fixation is done, i.e., in the uncured situation of gypsum, quickly film making is checked, sees whether reset effect meets the requirements, if not being inconsistent It adjusts in time, inspection of making film again later, until it is qualified, finally make gypsum, fixation.Therefore, the water of above-mentioned supporter The whole function of Heibei provincial opera be exactly be to solve the problems, such as that the above film making repeatedly is checked, adjusted repeatedly.Further, can also in supporting element and Angle measurement, display device are set between fixed column, can quantitatively feed back the angle that supporting element is adjusted in real time, convenient for doctor Personnel inspection, judgement are protected, resets operation preferably to carry out first hip.

The supporter includes mainboard, subplate, and mainboard one end passes through hinge, cyclic adapting piece and the fixed column mutually company of assembly It connects, the other end connects subplate；

It is fixedly connected or is integrally formed between the mainboard and subplate or shaft connects or removable plug, when mainboard and subplate are adopted When being connected with rotating shaft mode, shaft connection shaft used turns perpendicular to horizontal plane, subplate where bed board around the shaft level It is dynamic；When between mainboard and subplate use detachable interpolation connection when, the angle between subplate and mainboard is rectangular, and mainboard with It is detachable interpolation connection between hinge.

In the above embodiment, it does not solve mostly, thing could not better solve infant leg when carrying out gypsum and fixing The problem of portion supports, i.e., in the actual operation process, this component of above-mentioned supporting element, which still can operate planter cast, to be had an impact, Cause the operating difficulties of medical staff.By the way that supporter is split as mainboard and subplate two parts, the two can fix this programme Connection, can also be flexibly connected, and even interpolation connects, and further can also also design the connection between mainboard and fixed column At detachable；Based on the improvement of the above structure, the fractionation of supporting element is realized；When first hip resets under normal circumstances, it is desirable that on Limb is in respectively 90 degree of angles with trunk, lower limb, and is in greater than 90 degree, less than or equal to the angle of 180 degree between two upper limbs；It is above-mentioned Position then influences reduction therapy effect if not up to standard.In above technical solution, when planter cast or by supporting element and infant Leg separates, medical staff's hand rest leg or can only get to supporting element in gypsum together with infant leg, two kinds of feelings Condition causes that doctors and patients are troublesome in poeration, reset effect is poor；Even if this programme can realize that supporting element is got in gypsum together, to gypsum After solidification, then by the mainboard of supporting element, subplate respectively from upper limb root (gypsum is located at from the opening of infant buttocks), lower limb with end (at foot Naked) extraction is held, to greatly facilitate the gypsum fixed operation of medical staff.

[embodiment 4]

On that basi of the above embodiments, the both ends of pedestal transverse slat described in the present embodiment are equipped with handle and/or idler wheel, with convenient to use The reseting fixture transports infant.

As described above, need to check repeatedly, make film, adjust in gypsum fixation procedure, it is before gypsum that infant is multiple Gypsum operation room and film making room are travelled to and fro between, and bending angle variation in infant leg easily occurs in transport process, influences to reset；This Handle or roller devices are arranged in embodiment on the reseting fixture, to facilitate transhipment, and are transporting infant position It does not change in journey.

It should be noted last that the above specific embodiment is only to illustrate the technical solution of the invention rather than limits System, although the invention is described in detail referring to example, those skilled in the art should understand that, it can be right The technical solution of the invention is modified or replaced equivalently, and should all cover the scope of the claims in the invention In the middle.

Claims (10)

1. a kind of congenital dislocation of hip joint reseting fixture, it is characterised in that:

The reseting fixture includes pedestal, bed board；

The pedestal is in pedestal I-shaped, as replacement and fixation equipment, and pedestal includes stringer board, transverse slat, and there are two transverse slat tools, divides It is not located at the both ends of stringer board, is fixedly connected between stringer board and two transverse slats or integrally formed；

Above the bed board is rectangle tabular, is fixed on bottom plate, the middle position of a short end of bed board, which is equipped with, to be extended Portion, extension and bed board assembly connection；

Support device is equipped between the pedestal and bed board, which is used to bed board being fixedly mounted in pedestal；

The extension is vertically upward equipped with fixed column far from bed board one end.

2. a kind of congenital dislocation of hip joint reseting fixture according to claim 1, it is characterised in that:

The support device is more root posts, and column one end is fixed on the base, and the other end is fixed on bed board and/or extension On, so that bed board and extension is firmly secured on pedestal.

3. a kind of congenital dislocation of hip joint reseting fixture according to claim 2, it is characterised in that:

The extension is equipped with sliding block, and bed board is equipped with guide rail, sliding block and guide rail phase assembly connection, realizes that extension is stretched on bed board Contracting adjustment；

Support device between fixed column of the extension far from bed board one end and pedestal-bed board is mutually fixedly connected or is integrated Formula structure；

The extension is equipped with plug assembly or bayonet unit, table of the fixed column close to extension side close to one end of fixed column Face is equipped with the jack or clamp to match with plug assembly, bayonet unit, and realization extension is flexibly connected with fixed column.

4. a kind of congenital dislocation of hip joint reseting fixture according to claim 3, it is characterised in that:

The column bottom end being connected with fixed column, pedestal stringer board on be arranged sliding rail device, the sliding rail device use It is slided in column and fixed column along stringer board horizontal direction.

5. a kind of congenital dislocation of hip joint reseting fixture according to claim 4, it is characterised in that:

The extension uses board plug type, and extension mutually separates with fixed column, for the movable connection structure of mutual interpolation, and fixes Column is mutually fixedly connected, so that fixed column is fixedly mounted on pedestal by column with the column of support device.

6. a kind of congenital dislocation of hip joint reseting fixture according to any one of claims 1 to 5, feature exist In:

The fixed column or extension are equipped with leg supporting element, which has symmetrical a pair of of supporter, the support Body is assemblied on fixed column or extension, and is stretched to two sides, for holding up, supporting infant both legs.

7. a kind of congenital dislocation of hip joint reseting fixture according to claim 6, it is characterised in that:

For the supporter through hinge assemblies in fixed column or extension, the shaft of hinge is horizontally disposed and parallel with stringer board, Supporter is set to rotate in fixed column or two shoulder-like of extension.

8. a kind of congenital dislocation of hip joint reseting fixture according to claim 7, it is characterised in that:

The supporter is assemblied in fixed column, and the supporter is equipped with cyclic adapting piece close to fixed column one end, and the ring-type is even Fitting is mounted in fixed column, and cyclic adapting piece includes fixed part and rotation section, is filled between fixed part and rotation section using bearing With connection, fixed part is fixed in fixed column, passes through hinge phase assembly connection between rotation section and supporter；

The supporter passes through cyclic adapting piece in the horizontal direction and rotates around fixed column, realizes medical staff to infant upper limb and body Bending angle adjustment between dry；

The supporter is rotated in vertical direction by the shaft of hinge around hinge, realize medical staff to infant two sides upper limb it Between abduction angle adjustment.

9. a kind of congenital dislocation of hip joint reseting fixture according to claim 8, it is characterised in that:

The supporter includes mainboard, subplate, and mainboard one end is by hinge, cyclic adapting piece and fixed column phase assembly connection, separately One end connects subplate；

It is fixedly connected or is integrally formed between the mainboard and subplate or shaft connects or removable plug, when mainboard and subplate are adopted When being connected with rotating shaft mode, shaft connection shaft used turns perpendicular to horizontal plane, subplate where bed board around the shaft level It is dynamic；When between mainboard and subplate use detachable interpolation connection when, the angle between subplate and mainboard is rectangular, and mainboard with It is detachable interpolation connection between hinge.

10. special according to claim 1 to a kind of 5,7 to 9 described in any item congenital dislocation of hip joint reseting fixtures Sign is:

The both ends of the pedestal transverse slat are equipped with handle and/or idler wheel, to be easy to use the reseting fixture transhipment infant.