CN211023337U

CN211023337U - Progressive tractor

Info

Publication number: CN211023337U
Application number: CN201921393455.9U
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: 2020-07-17
Anticipated expiration: 2029-08-26

Abstract

The utility model discloses a gradual tractive ware, include: the fixing piece comprises a thigh fixing piece and a shank fixing piece, the thigh fixing piece and the shank fixing piece are arranged along the leg direction and are connected through a parallel rod, and the thigh fixing piece and the shank fixing piece are arranged in the leg surrounding direction and are used for tightening the legs through tightening mechanisms respectively; and a corrected contraction mechanism passing through at least one side of the parallel rod connecting the lower legs. A progressive tractor can normally walk in a traction fixed state and gradually traction and correct joints so as to solve the problems that the existing joint orthopedic rehabilitation device cannot effectively treat and is high in risk and the like.

Description

Progressive tractor

Technical Field

The utility model relates to the technical field of medical equipment, in particular to progressive tractive ware.

Background

The O-shaped legs are often called as the Rou-shaped legs by people, and the X-shaped legs are often called as the scissor legs by people, which are two manifestations of common rickets. The bending part of the O-shaped leg can be at the thigh, knee or calf, and the two lower limbs are separated and can not be close when standing. After the two feet are closed, the distance between the two knees exceeds 3 cm, and the duck is in a left-right swinging 'duck step' state in order to keep the gravity center balance when walking. The two knees of the X-shaped leg are closed, the two feet are separated, and the distance between the two ankles exceeds 3 cm. No matter walking or stopping, the image and health status are seriously affected.

In particular, the "O" and "X" legs not only affect the beauty but also cause abnormal joints, causing difficulty in walking and other complications seriously. The existing knee joint orthopedic technology generally adopts operation and stretching binding, but the existing knee joint orthopedic technology has the defects of great damage to the body, poor safety due to lack of precision and operation standards, no continuous and continuous effect and easy relapse.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a progressive tractive ware, the utility model provides a safe but gradual orthopedic tractive device in joint of micro-adjustment progressive tractive ware can normally walk under the fixed state of tractive, carries out the tractive to the joint step by step and corrects to solve current orthopedic rehabilitation device in joint and can not effectively treat, dangerous big scheduling problem.

In order to achieve the above object, the utility model provides a progressive tractive ware, include:

the fixing piece comprises a thigh fixing piece and a shank fixing piece, the thigh fixing piece and the shank fixing piece are arranged along the leg direction and are connected with each other through parallel rods, and tightening mechanisms for tightening the legs are arranged in the leg surrounding direction of the thigh fixing piece and the shank fixing piece; and

a corrective contraction mechanism passing through at least one side of the parallel rod connecting the lower leg.

Preferably, the parallel rods comprise thigh parallel rods and shank parallel rods which are arranged along the leg direction and hinged with the thigh parallel rods, and the shank parallel rods are provided with slideways suitable for the correcting and contracting mechanism to slide along the leg direction.

Preferably, the correcting and contracting mechanism comprises a shrinkable toothed belt, the toothed belt is in butt joint end to end, two ends of the toothed belt are overlapped with each other, and the overlapped part of the toothed belt is externally wrapped by the tension adjusting track box.

Preferably, the correcting and contracting mechanism further comprises an adjusting base and a limiting unit used for limiting the positions of the adjusting base and the toothed belt, a plurality of protrusions are arranged at one end, close to the toothed belt, of the adjusting base, a slide suitable for the shank parallel rod to slide is arranged at one end, far away from the toothed belt, of the adjusting base, an opening with teeth is formed in the overlapping position of the toothed belt, a through hole is formed in the center of the tension adjusting track box, a notch is formed in the position, close to the inner side of the toothed belt, of the adjusting base, and the adjusting base is assembled with the tension adjusting track box through the notch.

Preferably, the adjusting base is provided with a hollow cylinder corresponding to the through hole at the end corresponding to the tension adjusting track box, and the limiting unit comprises a tension center rod penetrating through the through hole of the tension adjusting track box and assembled with the hollow cylinder, an adjusting button lock shaft for limiting and locking the toothed belt, and a tension adjusting button fastened on the adjusting button lock shaft and rotatably connected with the tension adjusting track box.

Preferably, the tension adjusting track box is followed the annular is established to the outside ring of through-hole, the annular inboard is equipped with the internal thread, tension adjusting knob surface set up with the interior screw-thread fit's of annular external screw thread, adjusting knob lock axle set up with the tooth complex prism in tooth area, wear to establish in proper order among the pulling force adjusting knob, adjusting knob lock axle, tension adjusting track box and with the cavity cylinder of adjusting the base assembles.

Preferably, the end part of the thigh parallel rod is provided with a knee joint outer rotating disc, the connecting end of the shank parallel rod and the thigh parallel rod is provided with a knee joint inner rotating disc, and the center rod of the rotating disc penetrates through the centers of the outer rotating disc and the inner rotating disc.

Preferably, the inner rotary disk is fixed with the inner rotary disk airbag cushion at the side close to the thigh.

Preferably, the tightening mechanism comprises a magic tie strap for tightening the thigh and calf fasteners around the legs respectively.

Preferably, the sponge is arranged on the inner side of the fixing piece in an encircling mode.

The utility model has the advantages that:

in the utility model, the thigh fixing piece and the shank fixing piece are connected through the parallel rods and tightened through the tightening mechanism, so that the fixing along the leg direction and the leg surrounding direction is realized, and the thigh and the shank are effectively fixed under the condition of not influencing normal walking; moreover, the correction and shaping of the leg shape of the lower leg are realized by adopting the correction and contraction mechanism, the shaping is corrected step by step, and the effect is obvious.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural view of a progressive retractor according to an embodiment of the present invention;

FIG. 2 is an exploded view of the components of the retractor of FIG. 1;

FIG. 3 is an exploded view of the corrective retraction mechanism of FIG. 1;

FIG. 4 is an exploded view of the correcting retraction mechanism of FIG. 1 in another orientation;

FIG. 5 is a schematic view of the assembly of the calibrated shrink mechanism of FIG. 1 after buckling.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a progressive tractive ware mainly is moulding and the correction to "O" type leg and "X" type leg, the embodiment of the utility model provides an in give mainly to the correction process of "O" type leg.

Referring to fig. 1 and fig. 2, in an embodiment of the present invention, a progressive retractor includes:

the fixing part comprises a thigh fixing part 1 and a shank fixing part 7, the thigh fixing part 1 and the shank fixing part 7 are arranged along the leg direction, the thigh fixing part 1 and the shank fixing part 7 are mutually connected through a parallel rod, and a tightening mechanism for tightening the leg is arranged in the leg direction of the thigh fixing part 1 and the shank fixing part 7; and the correcting and shrinking mechanism penetrates through at least one side of the parallel rod connected with the lower leg, and shrinks the parallel rod connected with the lower leg and the lower leg through the correcting and shrinking mechanism so as to achieve the purposes of correcting and shaping the lower leg. Wherein the direction along the legs refers to the direction conforming to the legs, and the direction around the legs refers to the direction around the legs; and the tightening mechanism can be realized in various modes.

As a specific embodiment of the present invention, please refer to fig. 1 again, the thigh fixing member 1 is specifically a thigh C-shaped fixing member adapted to the shape of the thigh, each the thigh fixing member 1 includes two pairs of thigh C-shaped fixing members arranged relatively, the shank fixing member 7 is specifically a shank C-shaped fixing member adapted to the shape of the shank, each the shank fixing member 7 also includes two pairs of shank C-shaped fixing members arranged relatively. The thigh fixing part 1 and the shank fixing part 7 are arranged along the leg direction and are connected through parallel rods, correspondingly, the parallel rods comprise a thigh parallel rod 2 and a shank parallel rod 6, the thigh parallel rod 2 is hinged with the shank parallel rod 6, and a slide 601 suitable for the correcting and contracting mechanism to slide is arranged on the shank parallel rod 6 along the leg direction. Like this, can guarantee through the shaping fixed thigh of thigh mounting 1 and through can free rotation between the shaping fixed shank of shank mounting 7, do not influence the normal walking of user and crooked to slide 601 guarantees to carry out suitable regulation to the deformation condition of patient difference and different patients' height, realizes the moulding correction to its leg type on the basis that does not influence patient daily action.

Referring to fig. 1 and 2 together, as an embodiment of the present invention, the tightening mechanism can be selected from a magic binding tape 13, the magic binding bands 13 are used for tightening the thigh fixing piece 1 and the shank fixing piece 7 around the leg respectively, wherein the magic binding tapes 13 are provided with a plurality of strips which are arranged in parallel, each magic binding tape 13 respectively comprises a female tape and a male tape which are mutually buckled, the female strap and the male strap of the magic binding belt 13 are respectively fixed on two sides of the thigh fixing pieces 1 (namely two pairs of thigh C-shaped fixing pieces) which are oppositely arranged, and similarly, the female belt and the male belt of the magic binding belt 13 are also respectively fixed at two sides of the shank and leg fixing piece 7 which are oppositely arranged, the two pairs of thigh C-shaped fixing pieces/shank C-shaped fixing pieces which are oppositely arranged are tightened and clamped through the relative tightening of the magic binding tapes 13, so that the thigh C-shaped fixing pieces and the shank C-shaped fixing pieces are conveniently dismounted from or mounted on the legs.

Wherein, as the utility model discloses a concrete implementation mode, cavernosum 14 can be established to the mounting inboard ring, and thigh mounting 1 and shank mounting 7 are close to thigh and shank one side and all encircle and establish cavernosum 14 promptly, can reduce the impact force that the user used this tractive ware in the motion process like this, avoid the bruise and the scotch in the patient use, and the reinforcing user body is felt.

As a specific implementation manner of the utility model, it includes collapsible cingulum to rectify shrink mechanism, and cingulum wherein specifically is shank pulling force cingulum 8 in this embodiment, 8 butt joints of shank pulling force cingulum and both ends overlap each other, and the shank pulling force cingulum 8 that overlaps each other through the head and the tail is taut to reach the effect that the cingulum tightened up and contract to reach the taut moulding purpose to the shank through rectifying shrink shank pulling force cingulum 8. And the outer part of the overlapping part of the lower leg tension toothed belt 8 is coated with a tension adjusting track box 10.

In the present embodiment, referring to fig. 2 to 5, the correcting and contracting mechanism includes, in addition to the contractible dental belt, i.e. the lower leg tension dental belt 8, an adjusting base 9 and a limiting unit, wherein the adjusting base 9 is used for adjusting the contraction of the dental belt, and the limiting unit is used for limiting the contraction position and the locking position of the adjusting base 9 and the lower leg tension dental belt 8; a plurality of bulges are arranged at one end of the adjusting base 9, which is close to the shank tension toothed belt 8, and the bulges are used for clamping the shank tension toothed belt 8. One end of the adjusting base 9, which is far away from the lower leg tension toothed belt 8, is provided with a slide suitable for the lower leg parallel rod 6 to slide, in this embodiment, the slide refers to a parallel rod insertion slide 901, that is, the lower leg parallel rod 6 penetrates through the parallel rod insertion slide 901, so that the lower leg parallel rod 6 can penetrate through the parallel rod insertion slide 901 to slide relative to the adjusting base 9.

As a specific implementation manner of the utility model, please refer to fig. 3 and fig. 4 again, the opening that has tooth is seted up to the overlapping department of shank pulling force tooth area 8, protruding through with open-ended tooth card ends and finally realizes the card end shank pulling force tooth area 8, the through-hole is seted up at pulling force regulation track box 10 center and is close to the opening is seted up to shank pulling force tooth area 8 inboard, it passes through to adjust the base 9 the opening with the assembly of pulling force regulation track box 10. The end, corresponding to the tension adjusting track box 10, of the adjusting base 9 is provided with a hollow cylinder corresponding to the through hole, and the limiting unit comprises a tension center rod 15 which penetrates through the through hole of the tension adjusting track box 10 and is assembled with the hollow cylinder, an adjusting button lock shaft 12 which is used for limiting and locking the shank tension toothed belt 8, and a tension adjusting button 11 which is buckled on the adjusting button lock shaft 12 and is rotationally connected with the tension adjusting track box 10.

Referring to fig. 3 and 4, the tension adjusting track box 10 is provided with a circular groove along the outer side of the through hole, the inner side of the circular groove is provided with an internal thread, the outer surface of the tension adjusting knob 11 is provided with an external thread matched with the internal thread of the circular groove, the adjusting knob lock shaft 12 is provided with a prism matched with the teeth of the shank tension toothed belt 8, and the tension center rod 15 sequentially penetrates through the tension adjusting knob 11, the adjusting knob lock shaft 12 and the tension adjusting track box 10 and is assembled with the hollow cylinder of the adjusting base 9.

As a specific embodiment of the present invention, please refer to fig. 1 again, the end of the thigh parallel rod 2 is provided with the knee joint outer rotating disk 5, the shank parallel rod 6 is connected to the thigh parallel rod 2 to form the knee joint inner rotating disk 3, and the center rod 16 of the rotating disk passes through the center of the outer rotating disk 5 and the inner rotating disk 3, so as to ensure the coaxial rotation of the outer rotating disk 5 and the inner rotating disk 3.

As a specific embodiment of the present invention, please refer to fig. 1 and fig. 2, the inner rotary disc 3 is close to the fixed inner rotary disc airbag cushion 4 on one side of the thigh, so that when the inner rotary disc 3 and the outer rotary disc 5 rotate relatively, the inner rotary disc airbag cushion 4 can protect the leg from being scratched or bruised.

The correction use process of the progressive traction apparatus for the O-shaped leg is as follows:

the two pairs of C-shaped thigh fixing pieces of the tractor are oppositely buckled on thigh arms of a patient, after the positions are adjusted, the buckling positions of a male belt and a female belt of the magic binding belt 13 are adjusted according to the actual bearing capacity and the leg shape of the patient respectively, and the male belt and the female belt are buckled and fixed after the adjustment is finished. Screwing out the tension adjusting button 11, unlocking the shank tension toothed belt 8 by the adjusting button lock shaft 12, moving the shank tension toothed belt 8 to slide along the slide 601 on the shank parallel rod 6 according to the specific conditions of different patients, adjusting the position of the tension adjusting base 9 to the highest point of the O-shaped shank, pulling the tension adjusting button 11 outwards, then rotating the tension adjusting button 11, tightening the shank tension toothed belt 8 to the maximum extent that a user can bear, and then pushing and pressing the tension adjusting button 11 inwards to enable the tension adjusting button 11 to be tightly pressed and occluded with the adjusting button lock shaft 12, so that the user can move freely under the state of keeping tension, and the purpose of correcting deformity can be achieved by continuous tension traction on the deformation position.

The utility model has the advantages that:

1. the thigh fixing piece and the shank fixing piece are connected through the parallel rods and tightened through the tightening mechanism, so that fixing in the leg direction and the leg surrounding direction is realized, and thighs and shanks are effectively fixed; moreover, the correction and shaping of the leg shape of the lower leg are realized by adopting a correction and contraction mechanism;

2. the thigh parallel rods and the shank parallel rods are hinged, so that the aim of correcting the leg shape is fulfilled under the condition that a patient normally moves, and the use is convenient to enhance the user feeling;

3. the correction device has the advantages that the slideway is arranged on the shank parallel rod, and the correction contraction mechanism and the shank parallel rod are arranged in a sliding mode, so that the correction position can be accurately positioned under the influence of different conditions of a patient, such as correction position and factors such as the height of the patient, and the purpose of correcting deformity is achieved;

4. the simplicity of operation is ensured by adopting a mode that the tension adjusting button, the adjusting button lock shaft, the adjusting base and the shank parallel rod are matched;

5. protective devices such as a cavernous body, an inner rotary disk air bag cushion and the like are additionally arranged, so that the patient can be prevented from being injured.

The above is only the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all of which are in the utility model discloses a conceive, utilize the equivalent structure transform that the content of the specification and the attached drawings did, or directly/indirectly use all to include in other relevant technical fields the patent protection scope of the present invention.

Claims

1. A progressive retractor, comprising:

2. The progressive retractor of claim 1 wherein said parallel bars comprise a thigh parallel bar and a shank parallel bar arranged along the leg and hinged to said thigh parallel bar, said shank parallel bar being provided with a slide along the leg suitable for sliding of said corrective retraction mechanism.

3. The progressive retractor of claim 2 wherein the corrective retraction mechanism comprises a retractable toothed belt, the toothed belt abutting end to end and overlapping at both ends, the overlapping portion of the toothed belt externally wrapping a tension adjustment track box.

4. The progressive retractor according to claim 3, wherein the retraction correcting mechanism further comprises an adjusting base and a limiting unit for limiting the positions of the adjusting base and the toothed belt, wherein a plurality of protrusions are arranged at one end of the adjusting base close to the toothed belt, a slide suitable for the parallel rods of the lower leg to slide is arranged at one end of the adjusting base far away from the toothed belt, an opening with teeth is arranged at the overlapping position of the toothed belt, a through hole is arranged at the center of the tension adjusting track box, a notch is arranged at the inner side close to the toothed belt, and the adjusting base is assembled with the tension adjusting track box through the notch.

5. The progressive retractor according to claim 4, wherein the adjusting base has a hollow cylinder corresponding to the through hole at the end corresponding to the tension adjusting track box, and the limiting unit comprises a tension center rod passing through the through hole of the tension adjusting track box and assembled with the hollow cylinder, an adjusting button lock shaft for limiting and locking the toothed belt, and a tension adjusting button fastened to the adjusting button lock shaft and rotatably connected to the tension adjusting track box.

6. The progressive retractor according to claim 5, wherein the tension adjusting track box is provided with a ring groove along the outer side of the through hole, the inner side of the ring groove is provided with an internal thread, the outer surface of the tension adjusting knob is provided with an external thread matched with the internal thread of the ring groove, the adjusting knob lock shaft is provided with a prism matched with the teeth of the toothed belt, and the tension center rod sequentially penetrates through the tension adjusting knob, the adjusting knob lock shaft, the tension adjusting track box and is assembled with the hollow cylinder of the adjusting base.

7. The progressive retractor of claim 2 wherein said thigh parallel bar is terminated by an outer knee dial, said shank parallel bar is terminated by an inner knee dial, and a center post of said dial passes through the center of said outer and inner dials.

8. The progressive retractor of claim 7 wherein the inner wheel secures an inner wheel airbag cushion adjacent to the thigh side.

9. A progressive retractor according to any of claims 1 to 8 wherein said tightening mechanism comprises a magic tie strap for tightening said thigh and calf fasteners around the leg respectively.

10. The progressive retractor of claim 9 wherein the fastener is surrounded by a sponge on the inside.