CN218128899U

CN218128899U - Lower limb abduction neutral fixing device

Info

Publication number: CN218128899U
Application number: CN202121842125.0U
Authority: CN
Inventors: 黄文柱; 宋汝华; 罗子芮
Original assignee: 5th People's Hospital Of Foshan City; Foshan University
Current assignee: 5th People's Hospital Of Foshan City; Foshan University
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2022-12-27
Anticipated expiration: 2031-08-06

Abstract

The utility model discloses a lower limb abduction neutral fixation device, including four fixed plates that are half circular setting, two fixed plates are through turning subassembly interconnect, are provided with neutral interval adjustment subassembly between two adjacent fixed plates, and the fixed plate inner wall is provided with the rubber gas column that is the axis setting, and the arc chamber has been seted up to the fixed plate inner wall, and arc chamber inner wall is provided with the gas injection subassembly, and fixed plate lateral wall one side fixedly connected with adjustment strip has seted up the smooth mouth of T type on the adjustment strip, is provided with a plurality of bandage arc poles in the smooth mouth of T type. The utility model discloses can adjust the lower limbs abduction neutral fixation according to the health discrepancy of difference for adaptation everyone's lower limbs is fixed, and can be when carrying out the centre gripping, the suitable position of selecting bandage arc pole, the inflation degree that changes the rubber gas column that is located the fixed plate, thereby realize the effective centre gripping to the shank of the fat thin body of difference, ensure that equipment is to the effective fixed of lower limbs, and can realize make full use of, practice thrift the equipment and consume money.

Description

Lower limb abduction neutral fixing device

Technical Field

The utility model relates to a fixed technical field of low limbs especially relates to a lower limbs neutral fixation device that abducts.

Background

Femoral neck fractures often occur in the elderly, and the incidence of the fractures gradually increases with the life of the elderly, and especially with the aging population, the fractures become a serious social problem. The fracture nonunion and the avascular necrosis of the femoral head exist in the clinical treatment, the lower limb is required to be ensured to be in the abduction neutral position in the treatment process, the femoral neck fracture is a common accidental injury, the treatment is generally carried out according to the contraposition condition, if the contraposition is good, the conservative treatment can be carried out, and if the contraposition is not good, the operation is required in time. Since there are differences among individuals, plaster is mostly used for fixation in a conventional manner after fracture, but plaster fixation cannot control the abduction neutral position when lower limb abduction neutral fixation is performed, reuse cannot be achieved by using the plaster fixation, skin diseases can be caused by long-time contact of the skin with the plaster, the lower limb abduction neutral fixation device needs to be customized according to the body shape of a patient, and the applicability is not wide.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art and providing a lower limb abduction neutral fixation device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a neutral fixing device in low limbs abduction, includes four fixed plates that are half circular setting, two the fixed plate passes through turn subassembly interconnect, is provided with neutral interval adjustment subassembly between two adjacent fixed plates, the fixed plate inner wall is provided with the rubber gas column that is the axis setting, the arc chamber has been seted up to the fixed plate inner wall, arc intracavity wall is provided with the gas injection subassembly, fixed plate lateral wall one side fixedly connected with adjustment strip, the smooth mouth of T type has been seted up on the adjustment strip, be provided with a plurality of bandage arc poles in the smooth mouth of T type, be provided with the linkage subassembly on the bandage arc pole, the subassembly of injecing to bandage arc pole spacing has been seted up to the smooth mouthful lateral wall of T type.

Preferably, the turning assembly comprises turning rods fixedly connected to the side walls of the two sides of the end portion of the fixing plate, the two turning rods arranged oppositely are connected through a bolt shaft, and a fastening nut is connected to the end portion of the bolt shaft in a threaded mode.

Preferably, the middle neutral distance adjusting assembly comprises a fixed block fixedly connected to the opposite face of the two side fixing plates, one side of the fixed block is located on the side wall of the fixed block, a fixed triangular contact block fixedly connected to the fixed block is connected to the other side of the fixed block through a moving assembly, a T-shaped limiting opening is formed in the movable triangular contact block, a telescopic hole is formed in the end portion of the fixed triangular contact block, and a T-shaped limiting column penetrating through the side wall is connected to the bottom of the telescopic hole through a tension spring.

Preferably, the movable assembly comprises an adjusting opening formed in the side wall of the fixed block, the inner wall of the adjusting opening is rotatably connected with a screw column, and the outer side wall of the screw column is in threaded connection with a screw sliding block fixedly connected with a movable triangular abutting block.

Preferably, the gas injection subassembly is including setting up the pressure piston in the arc intracavity, the gas injection hole that is linked together with rubber gas post is seted up to arc intracavity wall, the pressure piston is connected with the arc through a plurality of spliced poles and is supported the feeler lever, the rectangle guiding groove has been seted up to the fixed plate tip, the one end is seted up the mouth that runs through with the arc chamber intercommunication on the rectangle guiding groove, the arc is contradicted the pole and is located the department of running through mouth and arc chamber intercommunication.

Preferably, the linkage assembly comprises a communicating opening which is formed in the T-shaped sliding opening and penetrates through the side wall of the adjusting strip, the binding band arc-shaped rod penetrates through the communicating opening, a horizontal block is arranged at the end part of the binding band arc-shaped rod, and a guiding block matched with the rectangular guiding groove is arranged on the horizontal block.

Preferably, the limiting assembly comprises a rectangular limiting opening formed in the side wall of the T-shaped sliding opening, the inner wall of the rectangular limiting opening is connected with a limiting helical rack through a spring part, and the side wall of the binding band arc-shaped rod is fixedly connected with a tooth groove matched with the limiting helical rack.

Preferably, the spring part comprises a notch formed in the side wall of the rectangular limit opening, the side wall of the limit helical rack is fixedly connected with a spring block located in the notch, the spring block is connected with the side wall of the notch through a collision spring, and the side wall of the limit helical rack is provided with a pull ring.

Compared with the prior art, the beneficial effects of the utility model are that:

when patient's femoral fracture, timely fixes the both legs through this device, can realize taking promptly and use, and this device can adjust the neutral fixation in the low limbs abduction according to the health difference of difference, make the low limbs that adapt to everybody fixed, and can be when carrying out the centre gripping, the position of suitable selection bandage arc pole, the change is located the inflation degree of rubber gas column in the fixed plate, thereby realize the effective centre gripping to the shank of different fat thin body, ensure the effective fixed of equipment to the low limbs, and can realize make full use of, practice thrift the equipment and consume the money.

Drawings

Fig. 1 is a schematic perspective view of a lower limb abduction vertical fixation device of the present invention;

fig. 2 is a schematic cross-sectional view of a fixing plate of the lower limb abduction vertical fixing device of the present invention; FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

fig. 4 is a schematic structural view of a contact block in the lower limb abduction neutral fixation device of the present invention;

fig. 5 is a schematic side view of the lower limb abduction vertical fixation device according to the present invention.

In the figure: 1 fixed plate, 2 rubber gas columns, 3 arc-shaped cavities, 4 adjusting strips, 5T-shaped sliding openings, 6 bandage arc-shaped rods, 7 turning rods, 8 fastening nuts, 9 fixed blocks, 10 fixed triangular contact blocks, 11 movable triangular contact blocks, 12T-shaped limiting openings, 13T-shaped limiting columns, 14 lead screw columns, 15 lead screw sliders, 16 contact pistons, 17 connecting columns, 18 arc-shaped contact rods, 19 rectangular guide grooves, 20 horizontal blocks, 21 guide blocks, 22 limiting inclined racks, 23 tooth grooves, 24 spring blocks and 25 pull rings.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person skilled in the art without creative work belong to the scope of protection of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Referring to fig. 1-5, a lower limb abduction neutral fixation device comprises four fixing plates 1 arranged in a semicircular manner, wherein the two fixing plates 1 are connected with each other through a turning assembly, further, the turning assembly comprises turning rods 7 fixedly connected to the side walls of the two sides of the end part of the fixing plate 1, the two turning rods 7 arranged oppositely are connected with each other through a bolt shaft, the end part of the bolt shaft is in threaded connection with a fastening nut 8, the two fixing plates 1 are connected according to the two turning rods 7, proper adjustment is carried out according to the structure of the knee of a human body, the two turning rods 7 can be fastened through the fastening nut 8 connected with the bolt shaft, the turning rods 7 cannot rotate, and medical staff can control the lower limb abduction reasonably according to the state of an illness.

A neutral distance adjusting component is arranged between two adjacent fixed plates 1, further, the neutral distance adjusting component comprises fixed blocks 9 fixedly connected to opposite surfaces of the fixed plates 1 on two sides, a fixed triangular contact block 10 is fixedly connected to the side wall of the fixed block 9 on one side, a movable triangular contact block 11 is connected to the fixed block 9 on the other side through a moving component, a T-shaped limiting opening 12 is formed in the movable triangular contact block 11, a telescopic hole is formed in the end portion of the fixed triangular contact block 10, a T-shaped limiting column 13 penetrating through the side wall is connected to the bottom in the telescopic hole through a tension spring, and the T-shaped limiting column 13 arranged on the fixed triangular contact block 10 can move into the T-shaped limiting opening 12, so that the fixed triangular contact block 10 and the movable triangular contact block 11 cannot move after adjustment, and the positioning effect is realized; still further, remove the subassembly including seting up the regulation mouth on the 9 lateral walls of fixed block, the inner wall of regulation mouth rotates and is connected with

lead screw post

14, 14 lateral walls threaded connection of lead screw post have with remove triangle contact block 11 fixed connection's lead screw slider 15, wherein the lateral wall is run through to the one end of lead screw post 14 and outwards extends to be connected with the knob, can externally carry out direct adjustment.

The inner wall of fixed plate 1 is provided with rubber gas post 2 that is the axis setting, rubber gas post 2 can realize the direct contact with the shank, and rubber material can protect the shank, make can effectively realize the fixed to the shank when being held, arc chamber 3 has been seted up to fixed plate 1 inner wall, 3 inner walls in arc chamber are provided with the gas injection subassembly, furtherly, the gas injection subassembly is including setting up the pressure piston 16 in arc chamber 3, the gas injection hole that is linked together with rubber gas post 2 is seted up to 3 inner walls in arc chamber, it is connected with arc supporting contact bar 18 through a plurality of spliced poles 17 to support pressure piston 16, rectangle 19 has been seted up to fixed plate 1 tip, the through-hole with 3 intercommunications in arc chamber is seted up to one end on the rectangle guiding groove 19, arc supporting contact bar 18 is located through-hole and 3 intercommunications departments in arc chamber.

Fixed plate 1 lateral wall one side fixedly connected with adjustment strip 4, it is provided with a plurality of bandage arc poles 6 to have seted up T type sliding opening 5,T type sliding opening 5 on adjustment strip 4, be provided with the linkage subassembly on bandage arc pole 6, furthermore, the linkage subassembly is including seting up in T type sliding opening 5, and run through the intercommunication mouth of adjustment strip 4 lateral wall, bandage arc pole 6 runs through the intercommunication mouth, the position that the connector was seted up all concentrates on one side, and the setting of intercommunication mouth is only convenient for accomodate bandage arc pole 6 at the back of fixed plate 1, be convenient for accomodate, all the other bottoms of the spacing mouthful of rectangle are the entity, can' T realize accomodating to arc pole 6, bandage arc pole 6 tip is provided with horizontal piece 20, be provided with guide block 21 of 19 looks adaptations of rectangle guiding groove on horizontal piece 20, guide block 21 can drive arc to touch pole 18 and can drive to support and press piston 16 to remove.

The side wall of the T-shaped sliding opening 5 is provided with a limiting component for limiting the arc-shaped rod 6 of the binding band; furthermore, the limiting assembly comprises a rectangular limiting opening formed in the side wall of the T-shaped sliding opening 5, the inner wall of the rectangular limiting opening is connected with a limiting helical rack 22 through a spring part, wherein the limiting helical rack 22 can limit the position of the binding band arc-shaped rod 6 provided with the tooth groove 23 and cannot automatically retract, the limiting effect can be relieved only by separating the binding band arc-shaped rod from the tooth groove 23 when the limiting helical rack 22 is pulled to move outwards through a pull ring 25, and the tooth groove 23 matched with the limiting helical rack 22 is fixedly connected to the side wall of the binding band arc-shaped rod 6; still further, the spring part includes the notch of seting up on the spacing mouthful lateral wall of rectangle, and spacing oblique rack 22 lateral wall fixedly connected with is located the spring piece 24 in the notch, and spring piece 24 is connected with the notch lateral wall through contradicting the spring, and spacing oblique rack 22 lateral wall is provided with pull ring 25.

Specifically, when the femur is fractured, the lower limb is abducted and vertically fixed through the device, the fractured leg is placed in the arc-shaped groove on the fixing plate 1, meanwhile, the leg on the other side is placed in the arc-shaped groove on the other side, so that the two limbs are in a horizontal state, the distance between the fixing blocks 9 arranged on the side wall of the fixing plate 1 is adjusted according to the difference of the fat and the thinness of each person, so that the lower limb vinegar is in the abducted and vertically set state, during adjustment, the screw rod column 14 is rotated, the screw rod sliding block 15 in threaded connection with the screw rod column 14 drives the movable triangular contact block 11 to move, the fixed triangular contact block 10 in contact with the movable triangular contact block 11 can gradually cause adjustment of the distance between the fixed triangular contact block and the movable triangular contact block under the effect that the contact surfaces of the fixed triangular contact block and the movable triangular contact block are obliquely arranged, and the T-shaped limit column 13 arranged on the fixed triangular contact block 10 can move into the T-shaped limit opening 12, so that the fixed triangular contact block 10 and the movable triangular contact block 11 cannot move after adjustment;

after the neutral position of the lower limb is adjusted, the lower limb and the fixing plate 1 are fixed through the arc binding rod 6 arranged on the fixing plate 1, at the moment, the arc binding rod 6 positioned in the communication port and positioned on the back surface of the fixing plate is moved out, so that the arc binding rod 6 is positioned on the front surface of the fixing plate 1, at the moment, the horizontal block and the guide block 21 arranged on the arc binding rod 6 can be inserted into the rectangular guide groove, the tooth grooves arranged on the arc binding rod 6 and the limiting inclined rack 22 are positioned on the same plane, at the moment, the arc binding rod 6 is pushed inwards, so that the arc binding rods 6 positioned together are separated, the arc binding rod 6 can move in the rectangular limiting groove, at the moment, the arc binding rod 6 of the solid binding band cannot move to the back surface of the fixing plate 1 due to the bottom of the rectangular limiting groove, and the legs of the lower limb are bound;

when removing bandage arc pole 6, because guide block 21 on it can drive arc and support feeler lever 18 and can drive and support and press piston 16 to remove for be in the gas in arc chamber 3 is extruded to be shifted to the rubber gas column 2 that sets up on fixed plate 1 inside wall, make the inflation of rubber gas column 2 fill up with the space of shank, thereby can realize effective centre gripping and fixing to different thickness shanks.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a lower limbs neutral fixing device that abducts, its characterized in that includes four fixed plates (1) that are the setting of semicircle type, two fixed plate (1) is through turn subassembly interconnect, is provided with neutral interval adjustment subassembly between two adjacent fixed plates (1), fixed plate (1) inner wall is provided with rubber gas column (2) that are the axis setting, arc chamber (3) have been seted up to fixed plate (1) inner wall, arc chamber (3) inner wall is provided with the gas injection subassembly, fixed plate (1) lateral wall one side fixedly connected with adjustment strip (4), T type sliding opening (5) have been seted up on adjustment strip (4), be provided with a plurality of bandage arc pole (6) in T type sliding opening (5), be provided with the linkage subassembly on bandage arc pole (6), the spacing subassembly of injecing to bandage arc pole (6) has been seted up to T type sliding opening (5) lateral wall.

2. The lower limb abduction neutral fixation device according to claim 1, characterized in that said hinge assembly comprises hinge rods (7) fixedly connected to the side walls of the two sides of the end of the fixation plate (1), said two oppositely arranged hinge rods (7) being connected by a bolt shaft, the end of which is threadedly connected with a fastening nut (8).

3. The lower limb abduction neutral fixing device according to claim 1, wherein the neutral distance adjusting component comprises a fixing block (9) fixedly connected to the opposite surface of the fixing plates (1) on the two sides, a fixing triangle contact block (10) is fixedly connected to the side wall of the fixing block (9) on one side, a moving triangle contact block (11) is connected to the fixing block (9) on the other side through a moving component, a T-shaped limiting opening (12) is formed in the moving triangle contact block (11), a telescopic hole is formed in the end portion of the fixing triangle contact block (10), and a T-shaped limiting column (13) penetrating through the side wall is connected to the inner bottom of the telescopic hole through a tension spring.

4. The lower limb abduction neutral fixation device according to claim 3, characterized in that the moving assembly comprises an adjusting opening arranged on the side wall of the fixed block (9), the inner wall of the adjusting opening is rotatably connected with a lead screw column (14), and the outer side wall of the lead screw column (14) is in threaded connection with a lead screw slide block (15) fixedly connected with the moving triangular contact block (11).

5. The lower limb abduction neutral fixation device according to claim 1, wherein the gas injection assembly comprises a pressing piston (16) arranged in an arc-shaped cavity (3), the inner wall of the arc-shaped cavity (3) is provided with a gas injection hole communicated with the rubber gas column (2), the pressing piston (16) is connected with an arc-shaped contact rod (18) through a plurality of connecting columns (17), the end of the fixed plate (1) is provided with a rectangular guide groove (19), one end of the rectangular guide groove (19) is provided with a through hole communicated with the arc-shaped cavity (3), and the arc-shaped contact rod (18) is positioned at the communication position of the through hole and the arc-shaped cavity (3).

6. The lower limb abduction neutral fixation device according to claim 1, characterized in that the linkage assembly comprises a communication opening which is opened in the T-shaped sliding opening (5) and passes through the side wall of the adjustment strip (4), the curved binding band rod (6) passes through the communication opening, the end of the curved binding band rod (6) is provided with a horizontal block (20), and the horizontal block (20) is provided with a guide block (21) which is matched with the rectangular guide groove (19).

7. The lower limb abduction neutral fixation device according to claim 1, wherein the limiting component comprises a rectangular limiting opening arranged on the side wall of the T-shaped sliding opening (5), the inner wall of the rectangular limiting opening is connected with a limiting oblique rack (22) through a spring element, and the side wall of the binding band arc-shaped rod (6) is fixedly connected with a tooth groove (23) matched with the limiting oblique rack (22).

8. The lower limb abduction neutral fixation device according to claim 7, wherein the spring element comprises a notch arranged on the side wall of the rectangular limiting opening, the side wall of the limiting helical rack (22) is fixedly connected with a spring block (24) positioned in the notch, the spring block (24) is connected with the side wall of the notch through an interference spring, and the side wall of the limiting helical rack (22) is provided with a pull ring (25).