CN217593172U

CN217593172U - Lower limb skin traction device

Info

Publication number: CN217593172U
Application number: CN202121938395.1U
Authority: CN
Inventors: 周怡; 易小慧; 刘珊珊; 曾瑶; 曾塬杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-10-18
Anticipated expiration: 2031-08-18

Abstract

The utility model provides a lower limb skin traction device, which comprises a thigh traction sleeve, a shank traction sleeve, a foot wrapping sleeve, a traction belt, a lower limb lifting pad and a traction frame; the thigh traction sleeve, the crus traction sleeve and the foot wrapping sleeve are sequentially and fixedly arranged on the traction belt from top to bottom; according to the lower limb skin traction device, the plurality of anti-skidding silica gel strips are arranged on the inner sides of the inner liners of the thigh traction sleeve and the crus traction sleeve, so that the friction force between the traction sleeve and the skin can be increased; meanwhile, the air bag layer is matched, so that the binding tightness of the traction sleeve can be freely regulated and controlled; the foot wrapping sleeve can prevent the traction belt and the bed surface from abrading the skin at the heel, the ankle, the instep and the like to form pressure sores; the lower limb lifting pad can gradually lift the affected limb, so that the lower limb is lifted, and the blood backflow is facilitated to relieve varicosity; the traction frame can be fixed under the mattress through pressing the pressing plate and the extension plate, and the use scene of the lower limb skin traction device is improved.

Description

Lower limb skin traction device

The technical field is as follows:

the utility model relates to a medical treatment draw gear technical field, concretely relates to low limbs skin draw gear.

Background art:

in the treatment and rehabilitation nursing of lower limbs of orthopedic patients, traction therapy is a simple and effective treatment method, skin traction is the most commonly used in the current traction treatment, the skin traction is a treatment method for converting gravity generated by a suspension weight of a traction rope into traction force to act on a traction sleeve wrapped on the skin of the lower limbs, so that the purposes of relieving muscle tension and strong contraction, reducing fracture and dislocation, preventing and correcting soft tissue contracture, and pre-operation tissue release and post-operation braking of certain diseases are achieved.

At present, skin traction sleeves which are commonly used are in a binding and fixing mode, traction force is resisted by means of binding pressure and friction force, and when the binding is loose, the skin traction sleeves easily slide along limbs, so that the traction effect cannot be achieved; when the binding is too tight, the blood circulation of the binding part is seriously influenced, and especially when the traction is continued, complications such as lower limb venous thrombosis, iatrogenic skin pressure injury and the like of a patient are easily caused; the existing skin traction sleeve only comprises a thigh traction sleeve and a shank traction sleeve, the foot is exposed, and in the traction process, the traction belt and the bed surface are easy to abrade the skin at the heel, ankle, instep and the like to cause pressure sore, so that extra pain is brought to a patient; simultaneously, the traction frame that is used for fixing a position haulage rope to dangle heavy object now only is applicable to the hospital bed that the tailstock has the fretwork bed fence and uses, and it is difficult when the patient uses at home for draw gear's use scene is limited.

The invention content is as follows:

the utility model aims at solving the above-mentioned problem, providing one kind and being difficult for the slippage in the use, skin pulls effectually, can avoid pulling limbs pressure nature skin damage and can regulate and control skin and pull the low limbs skin draw gear that the cover binded the elasticity, and the supporting traction frame of this low limbs skin draw gear can install in the bed of hospital and family environment general simultaneously.

The utility model discloses an adopt following technical scheme to realize its invention purpose: a lower limb skin traction device comprises a thigh traction sleeve, a crus traction sleeve, a foot wrapping sleeve and a traction belt, wherein the thigh traction sleeve, the crus traction sleeve and the foot wrapping sleeve are sequentially and fixedly arranged on the traction belt from top to bottom; a first magic tape is fixedly arranged on one side of the thigh traction sleeve, one side of the shank traction sleeve and one side of the foot wrapping sleeve, and a second magic tape matched and bonded with the first magic tape is arranged on the opposite side of the first magic tape; a plurality of anti-slip silica gel strips which are vertical to the length direction of the traction belt are arranged on the contact surfaces of the thigh traction sleeve and the crus traction sleeve with the skin of the lower limb; the foot wrapping sleeve is used for wrapping the heel, the ankle, the instep and the instep of the patient.

Preferably, the traction connecting part is a hook or a hanging ring.

Further, the thigh traction sleeve and the crus traction sleeve comprise a composite inner liner layer, an air bag layer and an air bag layer inflated inflating device, the air bag layer is wrapped outside the inner liner layer, the anti-skidding silica gel strips are arranged on the inner liner layer, the air bag layer is connected with an air bag inflation and deflation connecting pipe with an air tightness switch, and the inflating device can be connected with the air bag inflation and deflation connecting pipe to inflate the air bag layer.

Preferably, the lining layer is a cotton cloth layer.

Furthermore, the thigh traction sleeve and the shank traction sleeve respectively comprise at least two traction sleeve main bodies and a connecting belt connected between the traction sleeve main bodies.

Further, this low limbs skin draw gear still raises the pad including the low limbs, and the low limbs is raised the pad and is whole to be rectangular shape, and its top surface is the inclined plane, is equipped with the arc recess that supplies the low limbs to hold to place along this inclined plane length direction.

Furthermore, the lower limb skin traction device also comprises a traction frame, a traction rope and a traction suspension object, wherein the traction frame comprises a pressing plate, an upright post, a cross rod, an extension rod, a pulley mounting seat and a pulley; one end of each of the two pressing plates is vertically and fixedly connected with one end of each of the two upright columns; the other ends of the two upright posts are fixedly connected through a cross rod; one end of the extension rod is fixedly connected to the middle part of the cross rod, the other end of the extension rod is fixedly connected with the pulley mounting seat, the pulley mounting seat is integrally annular, and the pulley is mounted inside the pulley mounting seat through a rotating shaft; one end of the traction rope is connected with the traction connecting part, the other end of the traction rope is connected with the traction suspension, and one section of the middle part of the traction rope is in contact with the circumferential surface of the pulley.

Furthermore, the lower limb skin traction device also comprises a traction frame, a traction rope and a traction suspension object, wherein the traction frame comprises a pressing plate, a stand column, a cross rod, a fixed disk, a rotating disk, a locking bolt, a locking nut, an extension rod, a pulley mounting seat and a pulley; one end of each of the two pressing plates is vertically and fixedly connected with one end of each of the two upright columns; the other ends of the two upright posts are fixedly connected through a cross rod; the fixed disc is fixedly connected to the middle part of the cross rod, the rotating disc and the fixed disc are arranged in parallel, and the rotating disc can be fixed on the fixed disc through a locking bolt and a locking nut; one end of the extension rod is fixedly connected with the rotating disc, the other end of the extension rod is fixedly connected with the pulley mounting seat, the pulley mounting seat is integrally annular, and the pulley is mounted inside the pulley mounting seat through the rotating shaft; one end of the traction rope is connected with the traction connecting part, the other end of the traction rope is connected with the traction suspension object, and one section of the middle part of the traction rope is in contact with the circumferential surface of the pulley.

Preferably, an annular groove is provided on the circumferential surface of the pulley.

Preferably, the mounting surfaces of the rotating disc and the fixed disc, which are contacted with each other, are provided with saw-toothed convex parts.

Furthermore, the traction frame also comprises an extension plate, and the middle part of the extension plate is hinged with the movable end of the pressure plate or is vertically and fixedly connected with the movable end of the pressure plate.

Due to the adoption of the technical scheme, the utility model discloses better realize its invention purpose, the thigh that this low limbs skin draw gear was equipped with draws the cover and is used for the cover to establish and carry out skin traction at thigh department, and shank draws the cover and is used for the cover to establish and carry out skin traction at shank department, all is provided with a plurality of anti-skidding silica gel strips at the inner side of the inner liner of thigh draw cover and shank draw cover, can increase the frictional force between thigh draw cover and shank draw the cover inboard respectively and thigh skin and shank skin, make its difficult slippage in use, skin draws effectually; meanwhile, the air bag layer which can be freely inflated and deflated is matched, so that the binding tightness of the thigh traction sleeve and/or the shank traction sleeve can be freely regulated and controlled by a patient according to the feeling of the patient; the foot wrapping sleeve is arranged to wrap the ankle, the heel and the half sole, so that pressure sores caused by abrasion of the heel, the ankle, the instep and the like on the traction belt and the bed surface can be prevented; the lower limb lifting pad can gradually lift the affected limb, so that on one hand, the traction operation is utilized, on the other hand, the lower limb lifting pad is beneficial to relieving varicosity due to blood backflow, and the swelling and pain states of the leg can be improved; the traction frame accessible that is equipped with simultaneously realizes the fixed of traction frame with clamp plate and extension board pressure under the mattress, has improved low limbs skin draw gear's use scene, is connected with the haulage rope through drawing connecting portion during the use, and the haulage rope other end is connected and is drawn the suspender, cooperates the pulley to realize low limbs and draw.

Description of the drawings:

fig. 1 is a schematic front structural plan view of a lower limb skin traction device in embodiment 1 of the present invention.

Fig. 2 is a schematic back structure plan view of the lower limb skin traction device in embodiment 1 of the present invention.

Fig. 3 is a schematic front structural plan view of the lower limb skin traction device in embodiment 2 of the present invention.

Fig. 4 is a schematic back structural plan view of the lower limb skin traction device in embodiment 2 of the present invention.

Fig. 5 is a cross-sectional view of the thigh traction sleeve 1 and the shank traction sleeve 2 of the present invention.

Fig. 6 is a schematic structural view of the middle and lower limb lifting pad 5 of the present invention.

Fig. 7 is a schematic structural diagram of the middle traction frame 6 of the present invention.

Fig. 8 is an enlarged schematic structural diagram of a portion a in fig. 7 of the present invention.

Fig. 9 is an enlarged schematic structural diagram of a portion B in fig. 7 of the present invention.

The reference numerals are illustrated in the following table.

Number of mark	Name of label	Number of mark	Name of label
				1	Thigh traction sleeve 1	51	Arc-shaped groove 51
11	Anti-slip silica gel strip 11	6	Traction frame 6
				12	First magic tape 12	61	Pressure plate 61
13	Second magic tape 13	62	Upright column 62
				14	Inner liner 14	63	Cross bar 63
15	Air bag layer 15	64	Fixed disk 64
				16	Air bag inflation and deflation connecting pipe 16	65	Rotating disc 65
17	Connecting belt 17	66	Locking bolt 66
				18	Traction sleeve body 18	67	Lock nut 67
2	Shank traction sleeve 2	68	Extension rod 68
				3	Foot wrapping 3	69	Pulley mount 69
4	Traction belt 4	610	Pulley 610
				41	Chinese character ri buckle 41	6101	Annular groove 6101
42	Traction coupling 42	611	Extension plate 611
				5	Lower limb lifting pad 5

The specific implementation mode is as follows:

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 drawings without creative effort, and the contents of the invention will be further described below with reference to the drawings: example 1:

referring to the attached figures 1, 2 and 5 of the specification, the lower limb skin traction device comprises a thigh traction sleeve 1, a shank traction sleeve 2, a foot wrapping sleeve 3 and a traction belt 4, wherein the thigh traction sleeve 1, the shank traction sleeve 2 and the foot wrapping sleeve 3 are sequentially and fixedly arranged on the traction belt 4 from top to bottom, a herringbone 41 capable of adjusting the length of the traction belt 4 is arranged on the traction belt 4 between the thigh traction sleeve 1 and the shank traction sleeve 2 and between the shank traction sleeve 2 and the foot wrapping sleeve 3, a traction connecting part 42 is fixedly arranged at the bottom end of the traction belt 4, and the traction connecting part 42 is a hook or a hanging ring capable of being connected with a traction rope; a first magic tape 12 is fixedly arranged on one side of the thigh traction sleeve 1, the shank traction sleeve 2 and the foot wrapping sleeve 3, and a second magic tape 13 which is matched and bonded with the first magic tape 12 is arranged on the opposite side of the first magic tape 12; a plurality of anti-slip silica gel strips 11 which are perpendicular to the length direction of the traction belt 4 are arranged on the contact surfaces of the thigh traction sleeve 1 and the crus traction sleeve 2 and the skin of the lower limb, and the friction force between the inner sides of the thigh traction sleeve and the crus traction sleeve and the skin of the thigh and the crus can be increased by the anti-slip silica gel strips 11 which are perpendicular to the traction direction of the traction belt 4, so that the thigh traction sleeve and the crus traction sleeve are not easy to slip in use, and the skin traction effect is good; the foot wrapping sleeve 3 is used for wrapping heels, ankles, instep and instep of a patient and preventing the traction belt and the bed surface from wearing the skin at the heels, the ankles, the instep and the instep to form pressure sores; the thigh traction sleeve 1 and the shank traction sleeve 2 respectively comprise a composite inner liner layer 14, an air bag layer 15 and an air inflation device for inflating the air bag layer 15, the air bag layer 15 is wrapped outside the inner liner layer 14, an anti-slip silica gel strip 11 is arranged on the inner liner layer 14, the air bag layer 15 is connected with an air bag inflation and deflation connecting pipe 16 with an air tightness switch, and the air inflation device can be connected with the air bag inflation and deflation connecting pipe 16 to inflate the air bag layer 15.

In one embodiment, the inflation device may be a similar inflatable balloon matched with the manual sphygmomanometer, the inflatable balloon is connected to the balloon inflation/deflation connection tube 16 to inflate the balloon layer 15, and the balloon layer 15 is deflated by turning on a switch on the balloon inflation/deflation connection tube 16.

In a preferred embodiment, the inner liner 14 is a cotton cloth layer, which has good skin-friendly property and air permeability and is favorable for integrating the anti-slip silica gel strip 11 thereon.

Example 2:

referring to the attached

drawings

3 and 4 in the specification, according to the embodiment 1, each of the thigh traction sleeve 1 and the shank traction sleeve 2 comprises two traction sleeve main bodies 18 and a connecting belt 17 connected between the traction sleeve main bodies 18; through the arrangement of the connecting belts 17, a plurality of skin air holes can be formed between two adjacent connecting belts 17 in the middle of the thigh traction sleeve 1 and the shank traction sleeve 2, so that the air permeability of local skin is ensured, and the comfort of a patient is improved.

Example 3:

referring to the attached figure 6 of the specification, based on the embodiment 1 or the embodiment 2, the lower limb skin traction device further comprises a lower limb lifting pad 5, wherein the lower limb lifting pad 5 is integrally long-strip-shaped, the top surface of the lower limb lifting pad is an inclined surface, and an arc-shaped groove 51 for accommodating and placing the lower limb is formed along the length direction of the inclined surface; the lower limb lifting pad 5 can gradually lift the affected limb, so that on one hand, the lower limb can be lifted by using traction operation (when a bed fence is arranged at the tail of a bed, the traction operation is convenient, the foot is suspended, and the formation of heel pressure sores can be prevented), on the other hand, the lower limb is lifted, the blood backflow is facilitated, the varicosity can be relieved, the leg swelling and pain states can be improved, the blood volume of the patient can be increased by lifting the two legs after the operation, the formation of thrombus of the lower limb can be effectively prevented, and the atrophy of muscles can be prevented; the normal physiological radian of the spine can be kept while the legs are lifted, and the pathological changes of the spine part are reduced.

It should be noted that: the arc-shaped grooves 51 can accommodate two legs to be lifted simultaneously, as an optimal mode, the number of the arc-shaped grooves 51 is two, and the two arc-shaped grooves 51 are arranged in the length direction of the top inclined plane of the lower limb lifting pad 5 in parallel.

Example 4:

referring to the description attached fig. 7, 8 and 9, based on embodiment 1, embodiment 2 or embodiment 3, the lower limb skin traction device further comprises a traction frame 6, a traction rope and a traction suspension, wherein the traction frame 6 comprises a pressing plate 61, a column 62, a cross bar 63, a fixed disc 64, a rotating disc 65, a locking bolt 66, a locking nut 67, an extension rod 68, a pulley mounting seat 69 and a pulley 610; one end of each of the two pressing plates 61 is vertically and fixedly connected with one end of each of the two upright posts 62; the other ends of the two upright posts 62 are fixedly connected through a cross bar 63; the fixed disc 64 is fixedly connected to the middle part of the cross bar 63, the rotating disc 65 is arranged in parallel with the fixed disc 64, and the rotating disc 65 can be fixed on the fixed disc 64 through a locking bolt 66 and a locking nut 67; one end of the extension rod 68 is fixedly connected with the rotating disc 65, the other end of the extension rod is fixedly connected with the pulley mounting seat 69, the pulley mounting seat 69 is annular as a whole, and the pulley 610 is mounted inside the pulley mounting seat 69 through a rotating shaft; one end of the traction rope is connected with the traction connecting part 42, the other end of the traction rope is connected with a traction suspension object, and one section of the middle part of the traction rope is contacted with the circumferential surface of the pulley 610; preferably, one end of each of the two pressing plates 61 may be vertically and fixedly connected to one end of the two columns 62 through bolts, so that the pressing plates 61 are detached to store the traction frame 6 when the traction frame 6 is not used.

It should be noted that: the pressure plate 61 can be pressed under a mattress of a bed unit to realize the position fixation of the traction frame 6 through the weight of the mattress and a patient; the pulley 610 is adjusted to a proper height by separating the rotating disc 65 from the fixed disc 64 by loosening the lock nut 67 so as to rotate the angle of the rotating disc 65, so that the traction rope is straightened to maximize the traction force of the traction belt 4 or the pulley 610 is adjusted to a proper height with the lower limb raising pad 5; meanwhile, in a preferable scheme, the height of the upright column 62 can be adjusted, and when the bed rail is arranged at the tail of the bed, the height of the cross rod 63 is adjusted to enable the cross rod 63 to be higher than the top of the bed rail, so that the traction operation is facilitated.

In a preferred embodiment, referring to fig. 9, an annular groove 6101 is formed on the circumferential surface of the pulley 610 to restrain the traction rope in the annular groove 6101 to prevent the traction rope from being separated from the pulley 610.

In a preferred embodiment, referring to fig. 8, serrated protrusions are provided on the mounting surfaces of the rotating disc 65 and the fixed disc 64, so that after the fixed disc 64 and the rotating disc 65 are positioned by the locking bolts 66 and the locking nuts 67, the staggered and engaged serrated protrusions can lock the rotating disc 65 on the fixed disc 64, and prevent the rotating disc 65 from sliding relative to the fixed disc 64 under the gravity of the traction suspension, which causes the height of the pulley 610 to move downwards, thereby affecting the traction effect.

In a preferred embodiment, referring to fig. 7, the traction frame 6 further includes an extension plate 611, the middle of the extension plate 611 is hinged to the movable end of the pressure plate 61, or the middle of the extension plate 611 is vertically fixed to the movable end of the pressure plate 61; the extension plate 611 is provided to further increase the contact area with the mattress, so that the traction frame 6 can be more firmly connected and installed at the end of the bed.

In one embodiment, the traction suspension is a standard weight, water bottle, sandbag, weight, or other common and readily available item.

The use method of the lower limb skin traction device comprises the following steps: inserting the vertical pressing plate 61 and the extension plate 611 into the lower part of the mattress from the bed tail, enabling the traction frame 6 to be stably positioned at the bed tail under the weight action of the mattress and a patient, placing the lower limb lifting pad 5 on the bed surface, and enabling the end with the higher inclined surface to face the bed tail; the thigh traction sleeve 1 is fixedly sleeved at the thigh part of the upper part of the knee cap through a first magic tape 12 and a second magic tape 13, the shank traction sleeve 2 is fixedly sleeved at the shank part through the first magic tape 12 and the second magic tape 13, the foot wrapping sleeve 3 is fixedly sleeved on the heel, ankle, instep and instep of a patient through the first magic tape 12 and the second magic tape 13, the length of the traction belt 4 can be adjusted through a Chinese character 'ri' button 41 to adjust the distance between the thigh traction sleeve 1, the shank traction sleeve 2 and the foot wrapping sleeve 3, and finally the air bag layer 15 in the thigh traction sleeve 1 and the shank traction sleeve 2 is inflated through an air bag inflation and deflation connecting pipe 16 connected through an inflation device, so that the tightness of the thigh traction sleeve 1 and the shank traction sleeve 2 can be adjusted by adjusting the inflation amount of the air bag layer 15 according to the feeling of the patient; the patient lies on the back on the bed, and the affected limb is placed in the arc recess 51 of pad 5 is raised to the low limbs, and the suitable height of pulley 610 is adjusted through adjusting the elasticity of lock bolt 66 and lock nut 67 to the attendant, will pull connecting portion 42 and haulage rope connection at last, and one section and the annular groove 6101 on the pulley 610 periphery in the middle part of the haulage rope contact, and the haulage rope other end is connected and is pull the suspender, makes and pull the suspender unsettled and just can pull the treatment to patient's low limbs.

It is clear that modifications and/or additions of parts may be made to the lower limb skin traction device as described heretofore, and to the corresponding method, without departing from the field and scope of the present invention.

It is also clear that, although the present invention has been described in detail with reference to this lower limb skin traction device, a person of skill in the art shall certainly be able to achieve many other equivalent forms of lower limb skin traction device and corresponding method, having the characteristics as set forth in the claims and hence all coming within the field of protection defined thereby.

Claims

1. A lower limb skin traction device is characterized in that: the leg traction sleeve comprises a thigh traction sleeve (1), a calf traction sleeve (2), a foot wrapping sleeve (3) and a traction belt (4), wherein the thigh traction sleeve (1), the calf traction sleeve (2) and the foot wrapping sleeve (3) are sequentially and fixedly arranged on the traction belt (4) from top to bottom, a Chinese character 'ri' button (41) capable of adjusting the length of the traction belt (4) is arranged on the traction belt (4) between the thigh traction sleeve (1) and the calf traction sleeve (2) and between the calf traction sleeve (2) and the foot wrapping sleeve (3), and a traction connecting part (42) is fixedly arranged at the bottom end of the traction belt (4); a first magic tape (12) is fixedly arranged on one side of the thigh traction sleeve (1), the shank traction sleeve (2) and the foot wrapping sleeve (3), and a second magic tape (13) which is matched and bonded with the first magic tape (12) is arranged on the opposite side of the first magic tape (12); a plurality of anti-skid silica gel strips (11) which are vertical to the length direction of the traction belt (4) are arranged on the contact surfaces of the thigh traction sleeve (1) and the shank traction sleeve (2) and the skin of the lower limb; the foot wrapping sleeve (3) is used for wrapping the heel, the ankle, the instep and the instep of the patient.

2. The lower limb skin traction device of claim 1, wherein: thigh traction cover (1) and shank traction cover (2) all draw cover (2) and reach for gas filled aerating device in gasbag layer (15) including compound inner liner (14) and gasbag layer (15) that form, gasbag layer (15) parcel is outside at inner liner (14), anti-skidding silica gel strip (11) set up in inner liner (14) inboard, be connected with the gasbag that has the gas tightness switch on gasbag layer (15) and fill gassing connecting pipe (16), aerating device joinable gasbag fills gassing connecting pipe (16) and inflates gasbag layer (15).

3. The lower limb skin traction device of claim 1, wherein: the thigh traction sleeve (1) and the shank traction sleeve (2) respectively comprise at least two traction sleeve main bodies (18) and a connecting belt (17) connected between the traction sleeve main bodies (18).

4. The lower limb skin traction device of claim 1, wherein: the lower limb skin traction device further comprises a lower limb lifting pad (5), the lower limb lifting pad (5) is integrally in a long strip shape, the top surface of the lower limb lifting pad is an inclined plane, and an arc-shaped groove (51) for accommodating and placing the lower limb is formed in the length direction of the inclined plane.

5. The lower limb skin traction device of claim 1, wherein: the lower limb skin traction device also comprises a traction frame (6), a traction rope and a traction suspension, wherein the traction frame (6) comprises a pressing plate (61), a stand column (62), a cross rod (63), an extension rod (68), a pulley mounting seat (69) and a pulley (610); one end of each of the two pressing plates (61) is respectively and vertically fixedly connected with one end of each of the two upright posts (62); the other ends of the two upright posts (62) are fixedly connected through a cross rod (63); one end of an extension rod (68) is fixedly connected to the middle of the cross rod (63), the other end of the extension rod is fixedly connected with a pulley mounting seat (69), the pulley mounting seat (69) is annular as a whole, and a pulley (610) is mounted inside the pulley mounting seat (69) through a rotating shaft; one end of the traction rope is connected with the traction connecting part (42), the other end of the traction rope is connected with the traction suspension, and one section of the middle part of the traction rope is in contact with the circumferential surface of the pulley (610).

6. The lower limb skin traction device of claim 1, wherein: the lower limb skin traction device also comprises a traction frame (6), a traction rope and a traction suspension, wherein the traction frame (6) comprises a pressing plate (61), a stand column (62), a cross rod (63), a fixed disc (64), a rotating disc (65), a locking bolt (66), a locking nut (67), an extension rod (68), a pulley mounting seat (69) and a pulley (610); one end of each of the two pressing plates (61) is vertically and fixedly connected with one end of each of the two upright columns (62); the other ends of the two upright posts (62) are fixedly connected through a cross rod (63); the fixed disc (64) is fixedly connected to the middle part of the cross rod (63), the rotating disc (65) and the fixed disc (64) are arranged in parallel, and the rotating disc (65) can be fixed on the fixed disc (64) through a locking bolt (66) and a locking nut (67); one end of an extension rod (68) is fixedly connected with the rotating disc (65), the other end of the extension rod is fixedly connected with a pulley mounting seat (69), the pulley mounting seat (69) is annular as a whole, and a pulley (610) is mounted inside the pulley mounting seat (69) through a rotating shaft; one end of the traction rope is connected with the traction connecting part (42), the other end of the traction rope is connected with the traction suspension, and one section of the middle part of the traction rope is in contact with the circumferential surface of the pulley (610).

7. A lower limb skin traction device as claimed in claim 5 or 6, wherein: an annular groove (6101) is arranged on the circumferential surface of the pulley (610).

8. The lower limb skin traction device of claim 6, wherein: the installation surfaces of the rotating disc (65) and the fixed disc (64) are provided with sawtooth-shaped convex parts.

9. A lower limb skin traction device as claimed in claim 5 or 6, wherein: the traction frame (6) further comprises an extension plate (611), the middle of the extension plate (611) is hinged with the movable end of the pressure plate (61) or the middle of the extension plate (611) is vertically and fixedly connected with the movable end of the pressure plate (61).

10. The lower limb skin traction device of claim 1, wherein: the traction connecting part (42) is a hook or a hanging ring.