CN108514471B

CN108514471B - Leg nursing brace

Info

Publication number: CN108514471B
Application number: CN201810471048.9A
Authority: CN
Inventors: 熊艳; 陈宇; 叶春瑶; 蒋文涛; 董碧蓉; 郝秋奎
Original assignee: Sichuan University
Current assignee: Sichuan University
Priority date: 2018-05-17
Filing date: 2018-05-17
Publication date: 2020-09-18
Anticipated expiration: 2038-05-17
Also published as: CN108514471A

Abstract

The invention provides a leg nursing brace, and belongs to the field of medical instruments. The thigh clamping assembly mainly comprises a thigh clamping assembly, a shank clamping assembly, a connecting assembly and a lubricating assembly. The thigh clamping assembly is used for being connected with a thigh, and the shank clamping assembly is used for being connected with a shank. The thigh clamping assembly is rotatably connected with the shank clamping assembly through a connecting assembly; the lubrication assembly provides lubrication to the connection assembly. When the knee joint support is used, the thigh clamping assembly is fixed on the thigh, the shank clamping assembly is fixed on the shank, and part of the body weight of a patient is directly transmitted to the shank from the thigh through the airbag type joint support, so that the stress of the knee joint is relieved, and the pain is relieved. The leg nursing brace provided by the invention is convenient for a patient to wear and convenient to operate.

Description

Leg nursing brace

Technical Field

The invention relates to the field of medical instruments, in particular to a leg nursing brace.

Background

Joint diseases such as bony spur and arthritis seriously affect the health of patients and bring much inconvenience to the lives of the patients; and is generally accompanied by pain. Among patients with arthrosis, patients with knee joint disease occupy a considerable portion; knee joint pain is caused by knee joint disease, and is often exacerbated when a patient walks.

Disclosure of Invention

The invention aims to provide a leg nursing brace which can assist a patient to walk and relieve knee joint pain.

The invention is realized by the following steps:

a leg care brace, comprising:

the thigh clamping assembly comprises a thigh strap and two strip-shaped thigh supporting plates; the thigh supporting plates are arranged oppositely at intervals, and the thigh binding bands are connected with the two thigh supporting plates and used for fixing the thigh supporting plates on two sides of a thigh;

the shank clamping assembly comprises a shank binding band and two strip-shaped shank supporting plates; the shank supporting plates are arranged at intervals relatively, and the shank binding bands are connected with the two shank supporting plates and used for fixing the shank supporting plates on the two sides of the shank;

the two thigh supporting plates and the two shank supporting plates are respectively rotatably connected through the connecting assembly;

the connecting assembly comprises a rotating disc and a sleeve, the rotating disc is of a circular plate-shaped structure, the sleeve is of a circular cylindrical structure, the rotating disc is arranged in an inner cavity of the sleeve and is coaxially arranged with the sleeve, and the rotating disc is in rotatable fit with the sleeve;

a strip-shaped groove is formed in the wall of the sleeve and extends along the circumferential direction of the sleeve;

the inner wall of the sleeve is provided with a plurality of mounting blind holes, compression springs are arranged in the mounting blind holes, the free ends of the compression springs are provided with balls, and a part of the balls protrude out of the mounting blind holes; the ball is matched with the circumferential surface of the rotating disc;

the lower end of the thigh supporting plate penetrates through the strip-shaped groove to be connected with the rotating disc, and the upper end of the shank supporting plate is connected with the cylinder wall of the sleeve;

the inner side of the sleeve is provided with an air bag which is used for being matched with the outer side of the knee joint;

the four corners of the thermal protection pad are respectively connected with the thigh supporting plate and the shank supporting plate, are arranged between the two connecting assemblies and are used for protecting knees;

the heating wire is arranged in the thermal protection pad and is electrically connected with the battery; the battery is mounted on the sleeve.

Pain is aggravated when the knee joint is forced due to the inconvenience of the patient with arthritis or bony spur; therefore, to further reduce knee joint pain; knee joint effort should be minimized. When the leg nursing brace is used, the upper clamping assembly and the lower clamping assembly rotate relatively, and the connecting assembly can bear certain friction force; because the connecting component bears the weight of a part of people, the bearing pressure is larger, and the friction force is also larger.

After the balls and the compression springs are arranged in the sleeve, the balls change sliding friction into rolling friction through rolling, so that the friction force between the rotating disc and the inner wall of the sleeve is reduced; and thereby alleviate the pain of walking. In addition, when the patient walks, especially on stairs, the knee joint is subjected to large impact; this can exacerbate the pain of the arthritic patient. Through setting up ball and compression spring, can also alleviate the impact to a certain extent, and then slow down patient's pain.

Further, in the present invention,

the lubricating assembly comprises a base, a mounting plate, a graphite block and a blade;

the base is arranged on the front side of the sleeve and fixedly connected with the cylinder wall of the sleeve, a funnel-shaped groove is formed in the base, a lubricating channel is formed in the cylinder wall of the sleeve, the upper end of the lubricating channel is communicated with the bottom of the groove, and the lower end of the lubricating channel is communicated with an inner cavity of the sleeve;

the mounting plate is perpendicular to the axis of the sleeve and is fixedly connected with the inner side of the base; the graphite block is detachably connected with the mounting plate and is positioned above the groove;

a rocker is further arranged on the rotating disc and arranged in parallel to the rotating disc, and one end of the rocker is fixedly connected with the rotating disc;

the blade is fixedly connected with the free end of the rocker, and the cutting edge of the blade is abutted to the graphite block.

To further alleviate the pain of the patient, the leg care brace is provided with the lubrication assembly described above. When a patient walks with the brace, the rotating disc drives the rocker to rotate, the rocker further drives the blade to scrape on the graphite block, so that graphite powder is scraped off, and the graphite powder enters between the rotating disc and the sleeve through the groove in the base and the lubricating channel in the sleeve; thereby further reducing pain to the patient by reducing friction. In addition, the friction force between the blade and the graphite block is far smaller than that between the turntable and the sleeve, so that the friction force between the blade and the graphite block can be ignored.

Further, in the present invention,

the free end of the rocker is also provided with two mounting cylinders, a compression spring and a guide post are arranged in each mounting cylinder, one end of each compression spring is connected with the bottom of each mounting cylinder, and the other end of each compression spring is connected with the guide post;

the guide post is in sliding fit with the mounting cylinder, and the free end of the guide post is fixedly connected with the blade.

When the graphite block is partially hung by the blade, the blade may not be able to continue to scrape the graphite powder. The design enables the lubricating assembly to be lubricated continuously; and can adjust the pressure between blade and the graphite piece through the mode of better compression spring, and then adjust the speed that the graphite powder falls.

Further, in the present invention,

the mounting plate is in a fan-shaped ring shape, a fan-shaped ring-shaped groove is formed in the mounting plate, and the graphite block is arranged in the fan-shaped ring-shaped groove.

Further, in the present invention,

the upper part of the cutting edge is higher than the upper part of the graphite block, and the lower part of the cutting edge is lower than the lower part of the graphite block.

Through above-mentioned design, when doing reciprocating motion, the cutting edge of blade can cover on whole graphite block surface to prevent that the cutting edge from scraping the recess on the graphite block, make the resistance increase of blade lead to the painful aggravation of patient.

Further, in the present invention,

a graphite powder channel is arranged at the bottom of the sleeve, a material receiving box is arranged below the graphite powder channel, and the material receiving box is connected with the sleeve;

graphite powder in the inner cavity of the sleeve can fall into the material receiving box through the graphite powder channel.

When the graphite powder is excessively accumulated in the sleeve, the excessive graphite powder can bring resistance to the rotation of the turntable and the sleeve; therefore, through the design of the graphite powder channel, when the gathering amount of the graphite powder at the bottom of the sleeve reaches the position of the graphite powder channel, the graphite powder can automatically fall into the material receiving box.

Further, in the present invention,

the electric heating wire is electrically connected with the electric heating wire; the temperature sensor is arranged in the thermal protection pad.

The controller adopts a PLC, and is automatically powered off when the temperature is too high; when the temperature is too low, the heating is automatically started.

Further, in the present invention,

the battery is a rechargeable lithium battery, a battery case is arranged on the sleeve, and the battery is arranged in the battery case.

Further, in the present invention,

the thigh bandage and the shank bandage are both made of nylon materials.

Further, in the present invention,

the thigh supporting plate and the shank supporting plate are made of titanium alloy materials.

The invention has the beneficial effects that:

the leg nursing brace that obtains through above-mentioned design, when using, increase the distance between the knee joint bone fitting surface as far as possible, then fix thigh centre gripping subassembly on the thigh, on shank centre gripping subassembly ties up fixed shank, leans on coupling assembling in knee joint both sides to make gasbag and knee joint both sides laminating. When the patient stands with the brace, part of the body weight of the patient is directly transmitted to the lower leg through the thigh supporting plate, the connecting assembly and the lower leg supporting plate, so that the pressure at the knee joint is reduced; in addition, the leg nursing brace can keep a large distance between the bone matching surfaces of the knee joint, so that the stabbing pain of the bone spurs on the bone matching surfaces can be relieved. In addition, the connecting assembly is abutted against the side part of the knee joint through the flexible air bag, and the comfort degree of a patient can be increased due to the arrangement of the air bag.

After the balls and the compression springs are arranged in the sleeve, the balls change sliding friction into rolling friction through rolling, so that the friction force between the rotating disc and the inner wall of the sleeve is reduced; and thereby alleviate the pain of walking. In addition, when the patient walks, especially on stairs, the knee joint is subjected to large impact; this can exacerbate the pain of the arthritic patient. Through setting up ball and compression spring, can also alleviate the impact to a certain extent, and then alleviate patient's pain.

In conclusion, the leg nursing brace provided by the invention is convenient for a patient to wear, and can greatly relieve the pain of the knee joint of the patient.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of a balloon-type brace according to an embodiment of the present invention;

FIG. 2 is a right side view of FIG. 1 provided by an embodiment of the present invention;

FIG. 3 is a top view of FIG. 1 provided in accordance with an embodiment of the present invention;

FIG. 4 is a cross-sectional view of a coupling assembly and a lubrication assembly provided by an embodiment of the present invention;

FIG. 5 is a partial view of FIG. 2 provided by an embodiment of the present invention;

FIG. 6 is a cross-sectional view of a base and a mounting plate of a lubrication assembly provided by an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a base and a mounting plate of the lubrication assembly according to an embodiment of the present invention;

FIG. 8 is a view in the direction of the arrows in FIG. 7 provided by an embodiment of the present invention;

FIG. 9 is a cross-sectional view of FIG. 8 provided in accordance with an embodiment of the present invention;

FIG. 10 is a partial view of FIG. 1 provided in accordance with an embodiment of the present invention;

FIG. 11 is a schematic structural diagram of a connecting assembly and a lubricating assembly according to an embodiment of the present invention;

FIG. 12 is a partial cross-sectional view of FIG. 11 provided in accordance with an embodiment of the present invention;

fig. 13 is a top view of fig. 12 provided in accordance with an embodiment of the present invention.

Icon: 100-a leg care brace; 110-a thigh gripping assembly; 112-thigh strap; 114-a thigh support plate; 120-a shank gripping assembly; 122-calf strap; 124-calf support plate; 130-a connection assembly; 132-a rotating disc; 134-a sleeve; 1342-a lubrication channel; 1343-a graphite powder channel; 1344-a strip groove; 1345-a ball; 140-an air bag; 150-a lubricating component; 151-a base; 1512-a groove; 152-a mounting plate; 153-graphite blocks; 154-a blade; 155-rocker; 156-a receiving box; 1552-mounting the cylinder; 1554-guide post; 160-warming component.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms indicating an orientation or positional relationship are based on the orientation or positional relationship shown in the drawings only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The detailed meanings of the terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, it should be noted that the terms "center", "thigh", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in when used, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the present invention, unless expressly stated or limited otherwise, a first feature may comprise a first and a second feature in direct contact, or may comprise a first and a second feature which are not in direct contact, but rather are in contact with each other by means of another feature between them. Moreover, the thigh, thigh side and thigh surface of the first feature in the second feature include the first feature in the positive thigh side and oblique thigh side of the second feature, or merely indicate that the first feature level is higher than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.

Example (b):

referring to fig. 1, 2 and 3, the present embodiment provides a bladder-type knee brace 100, which mainly includes a thigh clamping assembly 110, a shank clamping assembly 120, a connecting assembly 130 and a lubricating assembly 150. The thigh gripping assembly 110 is rotatably connected with the shank gripping assembly 120 through a connecting assembly 130; the lubrication assembly 150 provides lubrication to the connection assembly 130. In use, the thigh gripping assembly 110 is secured to the thigh, the calf gripping assembly 120 is secured to the calf, and a portion of the patient's weight is transferred from the thigh directly to the calf via the balloon 140 style joint brace, thereby relieving the knee joint from stress and pain.

Specifically, with continued reference to fig. 1 and 2, thigh gripping assembly 110 includes a thigh strap 112 and two elongated thigh support plates 114. The thigh supporting plate 114 is a strip-shaped plate-shaped structure made of titanium alloy material, and has good overall rigidity and is not easy to deform. Two thigh support plates 114 are arranged in parallel, and two thigh straps 112 are fixedly attached to the upper and lower portions of the thigh support plates 114. When the thigh gripping assembly 110 is strapped onto a thigh, the two thigh support plates 114 are oppositely disposed on either side of the thigh above the knee; the thigh straps 112 are tied to the thigh such that the thigh grip assembly 110 remains secured to the thigh under force. The thigh strap 112 may be a strap with a buckle structure at the end, and the tightness of the strap can be adjusted by adjusting the position of the buckle on the strap.

The calf grip assembly 120 includes a calf strap 122 and two bar-shaped calf support plates 124; the lower leg support plates 124 are oppositely arranged at intervals, and the lower leg strap 122 is connected with the two lower leg support plates 124 and is used for fixing the lower leg support plates 124 on the two sides of the lower leg. The shank clamp assembly 120 is substantially similar in construction to the thigh clamp assembly 110, except for the different dimensions; for the avoidance of further explanation, the calf grip assembly 120 will not be described in detail.

Referring to fig. 4 and 5, to connect the thigh support plate 114 and the shank support plate 124, the bladder knee brace 100 is further provided with a connection assembly 130. The connecting assembly 130 comprises a rotating disc 132 and a sleeve 134, wherein the rotating disc 132 is of a circular plate-shaped structure, and the sleeve 134 is of a circular cylindrical structure; the rotary disk 132 is disposed within the interior cavity of the sleeve 134 and is coaxially disposed with the sleeve 134, the rotary disk 132 being in rotatable engagement with the sleeve 134.

Specifically, the sleeve 134 includes a cylinder and two end plates disposed at both ends of the cylinder. When the rotating disc 132 is disposed in the sleeve 134, the circumferential surface of the rotating disc 132 engages the inner wall of the cylinder; the two circular surfaces of the rotating disc 132 engage the faces of the two end plates.

A strip-shaped groove 1344 is formed in the circumferential surface of the cylinder, and the strip-shaped groove 1344 extends 45 degrees along the circumferential direction of the sleeve 134. One end of the thigh support plate 114 passes through the strip groove 1344 to be connected with the circumferential surface of the rotary disc 132, and the thigh support plate 114 can rotate together with the rotary disc 132 within a certain range. The upper end of the shank support plate 124 is connected with the lower part of the cylinder body, and when the rotating disc 132 rotates, the included angle between the thigh support plate 114 and the shank support plate 124 can be changed between 180 degrees and 135 degrees. In other embodiments, the slot 1344 may extend at other angles along the circumference of the sleeve 134, such as 30 °, 60 °, or 90 °; at this time, the minimum angle between the thigh support plate 114 and the shank support plate 124 also changes accordingly.

The pain of the patient is relieved in order to further reduce the stress of the knee joint; in this embodiment, be provided with a plurality of installation blind holes on the inner wall of barrel, the installation blind hole is arranged along the circumferencial direction of barrel. Be provided with compression spring in the installation blind hole, compression spring's free end is provided with ball 1345, and a part protrusion installation blind hole of ball 1345. Ball 1345 abuts against the compression spring, and when ball 1345 receives a frictional force from rotating disk 132, ball 1345 can rotate freely; ball 1345 has been used stainless steel balls in this implementation. In addition, the compression spring adopts a spring with larger elasticity, so that the compression spring can not only enable the ball 1345 to protrude out of the mounting through hole; the compression spring also provides a cushioning effect when the ball 1345 is impacted.

Referring to fig. 5, 6 and 7, a lubricating assembly 150 is further disposed on the connecting assembly 130, and the lubricating assembly 150 is used for injecting graphite powder into the sleeve 134 of the connecting assembly 130 for lubrication. The lubrication assembly 150 includes a base 151, a mounting plate 152, a graphite block 153, and a blade 154. The base 151 is disposed at a front side of the sleeve 134 and is fixedly connected to a wall of the sleeve 134. The susceptor 151 fixes the mounting plate 152 and introduces the graphite powder dropped from the graphite block 153 into the sleeve 134.

Specifically, as shown in fig. 7, 8 and 9, the base 151 is a block structure, and a funnel-shaped groove 1512 is disposed on the base 151. A lubricating channel 1342 is arranged on the wall of the sleeve 134, the upper end of the lubricating channel 1342 is communicated with the bottom of the groove 1512, and the lower end of the lubricating channel 1342 is communicated with the inner cavity of the sleeve 134;

the mounting plate 152 is a fan-ring-shaped plate, which is perpendicular to the axis of the sleeve 134 and is fixedly connected with the inner side of the base 151; the graphite block 153 is removably attached to the mounting plate 152 and positioned above the recess 1512. A rocker 155 is further arranged on the rotating disc 132, the rocker 155 is arranged in parallel to the rotating disc 132, and one end of the rocker 155 is fixedly connected with the rotating disc 132;

the blade 154 is fixedly connected to the free end of the rocker 155, and the cutting edge of the blade 154 abuts against the graphite block 153. When the rotary disk 132 rotates relative to the sleeve 134, the rocker 155 rotates in synchronization with the rotary disk 132; the rocker 155 drives the blade 154 to reciprocate on the surface of the graphite block 153, so as to scrape off the graphite powder, and the graphite powder falls into the groove 1512 on the lower base 151; and eventually falls into the connecting assembly 130.

As shown in fig. 10, 11, 12 and 13, in order to keep the cutting edge of the blade 154 in contact with the graphite block 153, two mounting cylinders 1552 are further provided at the free end of the rocking bar 155, a compression spring and a guide post 1554 are provided in the mounting cylinders 1552, one end of the compression spring is connected to the bottom of the mounting cylinders 1552, and the other end is connected to the guide post 1554. The guide posts 1554 are in sliding fit with the mounting tubes 1552, and the free ends of the guide posts 1554 are fixedly connected with the blades 154.

Further, in order to prevent excessive graphite powder from being excessively accumulated in the sleeve 134, the excessive graphite powder brings resistance to the rotation of the turntable and the sleeve 134; in this embodiment, the bottom of the sleeve 134 is provided with a graphite powder channel 1343, a material receiving box 156 is arranged below the graphite powder channel 1343, and the material receiving box 156 is connected with the sleeve 134; graphite powder in the inner cavity of the sleeve 134 can fall into the material receiving box 156 through the graphite powder passage 1343.

Furthermore, in order to keep the knee joint of the patient warm in autumn and winter, the knee joint is prevented from being cooled and the illness condition is prevented from deteriorating; the airbag 140 type knee joint also always has a thermal module 160, the thermal module 160 includes a thermal pad and a battery (not shown in the figure), and four corners of the thermal pad are respectively connected with the thigh support plate and the shank support plate and are arranged between the two connecting modules 130 for protecting the knee. The heating wire is arranged in the thermal protection pad and is electrically connected with the battery; the battery is mounted on the sleeve 134. The battery is a rechargeable lithium battery.

The usage of the balloon-type knee brace 100 provided by the embodiment is as follows:

when in use, the angle between the thigh and the shank is adjusted, then the warm keeping component 160 is changed on the knee, and the connecting component 130 is leaned against the two sides of the knee joint; and the air bag 140 is attached to both sides of the knee joint; finally, thigh strap 112 is strapped to the thigh and calf strap 122 is strapped to the calf. When the patient stands with the brace, a portion of the patient's weight is transferred directly to the lower leg through the thigh support plate 114, the connecting assembly 130, and the lower leg support plate 124, thereby reducing the pressure at the knee joint.

References in this disclosure to "medial," "lateral," "anterior," "superior," and "inferior" are made with reference to when the patient wears the balloon-type knee brace 100. Medial refers to the side closer to the knee joint and lateral refers to the side further from the knee joint.

While the invention has been described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A leg care brace, comprising:

the thigh clamping assembly comprises a thigh strap and two strip-shaped thigh supporting plates; the two thigh supporting plates are oppositely arranged at intervals, and the thigh binding bands are connected with the two thigh supporting plates and used for fixing the two thigh supporting plates on two sides of a thigh;

the shank clamping assembly comprises a shank binding band and two strip-shaped shank supporting plates; the two shank supporting plates are arranged at intervals relatively, and the shank binding band is connected with the two shank supporting plates and is used for fixing the two shank supporting plates on the two sides of the shank;

the thigh supporting plate and the shank supporting plate are rotatably connected through the connecting assemblies, and the structures of the two connecting assemblies are the same;

the heating wire is arranged in the thermal protection pad and is electrically connected with the battery; the battery is mounted on the sleeve;

the lubricating assembly comprises a base, a mounting plate, a graphite block and a blade; the two lubricating assemblies have the same structure;

the base is arranged on the outer side of the sleeve which is positioned on the same side with the base and is fixedly connected with the cylinder wall of the sleeve, a funnel-shaped groove is formed in the base, a lubricating channel is arranged on the cylinder wall of the sleeve, the upper end of the lubricating channel is communicated with the bottom of the groove, and the lower end of the lubricating channel is communicated with the inner cavity of the sleeve;

the blade is fixedly connected with the free end of the rocker, and the cutting edge of the blade is abutted against the graphite block;

the free end of the rocker is also provided with two mounting cylinders, compression springs and guide posts are arranged in the two mounting cylinders, one end of each compression spring is connected with the bottom of the corresponding mounting cylinder, and the other end of each compression spring is connected with the corresponding guide post;

the guide post is in sliding fit with the mounting cylinder, and the free end of the guide post is fixedly connected with the blade;

2. The leg care brace of claim 1, wherein:

3. The leg care brace of claim 1, wherein:

4. The leg care brace of claim 1, wherein: the electric heating wire is electrically connected with the electric heating wire; the temperature sensor is arranged in the thermal protection pad.

5. The leg care brace of claim 1, wherein:

6. The leg care brace of claim 1, wherein: the thigh bandage and the shank bandage are both made of nylon materials.

7. The leg care brace of claim 1, wherein: the thigh supporting plate and the shank supporting plate are made of titanium alloy materials.