Wearable lower limb venous thrombosis prevention and treatment device

Abstract

The wearable lower limb venous thrombosis prevention and treatment device comprises a thigh fixing part, a shank fixing part, a connecting structure and a driving mechanism, and the thigh fixing part is used for being fixed to the thigh of a patient; the shank fixing part is fixed on the shank of a patient; the connecting structure is connected between the thigh fixing piece and the shank fixing piece; the driving mechanism is connected with the connecting structure and can drive the shank fixing piece to rotate towards the hip direction through the connecting structure. According to the wearable lower limb venous thrombosis prevention and treatment device, training can be conducted through the legs and the feet, and lower limb venous thrombosis is effectively prevented.

Description

Technical Field

[0001] The present invention specifically relates to a wearable device for preventing and treating lower limb venous thrombosis. Background Art

[0002] Lower extremity venous thrombosis is a common disease. The causes of lower extremity venous thrombosis are:

[0003] In the process of blood returning to the heart, muscles are a very important driving force. When the calf moves, the calf muscles can contract to squeeze the blood in the deep veins back to the heart. In the "foot boot area", the deep veins and superficial veins of the calf exchange blood with each other. The blood in the superficial veins flows into the deep veins through the "foot boot area" and then returns to the heart.

[0004] Normally, if the calf activities are less, the blood in the deep veins cannot move upward and flow back in time, and the blood in the superficial veins cannot flow into the deep veins. As a result, the superficial veins become thicker and thicker, and finally accumulate into clumps, forming lower limb venous thrombosis. Once lower limb venous thrombosis is formed, if not treated in time, it can cause secondary rupture and infection, which will cause pain and trouble to the patient later. Therefore, in normal times, you can purposefully train the calf activities, which can prevent and treat early lower limb venous thrombosis.

[0005] The main manifestations of lower limb venous thrombosis are dilation, elongation, and tortuosity of the great saphenous vein in the lower limbs, resulting in symptoms such as soreness, fatigue, and heaviness in the affected limb. Severe cases are often accompanied by complications such as leg ulcers or superficial phlebitis. Summary of the invention

[0006] In view of the deficiencies in the prior art, the technical problem to be solved by the present invention is to provide a wearable lower limb venous thrombosis prevention and treatment device, which can promote calf muscle movement through leg and foot training and effectively prevent lower limb venous thrombosis.

[0007] In order to achieve the above object, the present invention is implemented through the following technical solution: a wearable lower extremity venous thrombosis prevention and treatment device, comprising:

[0008] A thigh fixing piece, used for fixing on the patient's thigh;

[0009] A calf fixing piece, used for fixing on the patient's calf;

[0010] A connecting structure connected between the thigh fixing member and the calf fixing member;

[0011] The driving mechanism is connected to the connecting structure and can drive the calf fixing part to rotate toward the hip direction through the connecting structure.

[0012] Further, the thigh fixing member includes a thigh fixing rod and a thigh strap, the thigh fixing rod is arranged on the outside of the thigh and placed along the length direction of the thigh, and the thigh strap is fixed on the thigh fixing rod for being tied to the thigh;

[0013] The calf fixing member comprises a calf fixing rod and a calf strap, wherein the calf fixing rod is arranged at the outside of the calf and is placed along the length direction of the calf, and the calf strap is fixed on the calf fixing rod and is used for being bound on the calf.

[0014] Furthermore, the connecting structure includes a rotating shaft, which is sleeved and fixed to the end of the calf fixing piece close to the thigh fixing rod and is rotatably sleeved to the thigh fixing piece. The driving mechanism is connected to the rotating shaft and can drive the rotating shaft to rotate clockwise or counterclockwise.

[0015] Furthermore, the driving mechanism includes a first driving gear, a rack and a linear motion driving source, the first driving gear is sleeved and fixed on the rotating shaft, the rack is arranged on the thigh fixing member and meshes with the first driving gear, and the linear motion driving source can drive the rack to perform linear motion, and can drive the first driving gear to rotate forward or reverse during the forward or backward movement of the rack.

[0016] Furthermore, the linear motion driving source includes a second driving gear and a handle. The second driving gear is rotatably arranged on the thigh fixing rod and meshes with the rack. The handle is arranged on the second driving gear, and the second driving gear can be driven to rotate through the handle.

[0017] Furthermore, it also includes a foot straightening structure, which is tied to the foot and is used to drive the instep to straighten;

[0018] The foot straightening structure includes a foot fixing member and a straightening driving member, the foot fixing member includes a foot plate and a foot strap, the rear end of the foot plate is hinged to the bottom end of the calf fixing rod for supporting the sole of the foot, the foot strap is fixed to the foot plate for binding the foot, and the straightening driving member is connected to the front end of the foot plate for driving the foot plate to rotate around the hinge with the calf fixing rod.

[0019] Furthermore, the straightening drive member includes an elastic support member, a pull rope and a winding structure, the elastic support member is connected between the middle part of the foot plate in the length direction and the middle part of the calf fixing rod in the length direction, and when the angle between the foot plate and the calf fixing rod is less than 180°, the elastic support member is in a compressed state, the pull rope is connected to the front section of the foot plate, and the winding structure is connected to the pull rope, which can pull the pull rope to drive the foot plate to rotate toward the calf fixing rod.

[0020] Furthermore, the winding structure includes a winding wheel, which is sleeved and fixed on the rotating shaft, and the pull rope is wound around the winding wheel. When the calf fixing part rotates toward the hip direction, the winding wheel releases the wire.

[0021] Furthermore, the outer circumference of the winding wheel is adjustable.

[0022] Furthermore, the winding wheel comprises a fixed wheel, an adjusting rod and a movable plate, the fixed wheel is sleeved and fixed on the rotating shaft, the adjusting rod is arranged on the side wall of the fixed wheel along the radial direction of the fixed wheel, and the length of the adjusting rod is adjustable, the movable plate is fixed to the end of the adjusting rod, and a limiting groove is provided on the outer wall of the movable plate, and the pull rope is wound around the movable plate and the fixed wheel at the same time.

[0023] Beneficial effects of the present invention:

[0024] The wearable lower extremity venous thrombosis prevention and treatment device comprises a thigh fixing piece, a calf fixing piece, a connecting structure and a driving mechanism. The thigh fixing piece is used to be fixed on the patient's thigh. The calf fixing piece is used to be fixed on the patient's calf. The connecting structure is connected between the thigh fixing piece and the calf fixing piece. The driving mechanism is connected to the connecting structure, and the driving mechanism can drive the calf fixing piece to rotate toward the hip direction through the connecting structure.

[0025] When in use, first fix the thigh fixing piece on the thigh, and the calf fixing piece on the calf. When the patient stands in place, let the patient lift his feet in place, and then drive the calf fixing piece to rotate as far as possible toward the hip through the driving mechanism, so as to promote the contraction of the calf muscles and squeeze the blood in the deep veins back to the heart, so as to achieve the purpose of early prevention and treatment of lower limb venous thrombosis. Similarly, when the patient is walking, the driving mechanism can also assist in driving the calf fixing piece to rotate as far as possible toward the hip, so as to promote the activity of the calf muscles and squeeze the blood in the deep veins back to the heart, so as to achieve the purpose of early prevention and treatment of lower limb venous thrombosis.

[0026] When the patient is on the nursing bed, the patient can be placed in a prone position, and then the same method is used to drive the calf fixing part to rotate as far as possible toward the hip through the driving mechanism, thereby promoting the contraction of the calf muscles and squeezing the blood in the deep veins back to the heart, thereby achieving the purpose of early prevention and treatment of lower limb venous thrombosis. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the specific implementation of the present invention, the following will briefly introduce the drawings required for use in the specific implementation. In all the drawings, each element or part is not necessarily drawn according to the actual scale.

[0028] Figure 1 A schematic front view of a wearable lower extremity venous thrombosis prevention and treatment device provided by an embodiment of the present invention;

[0029] Figure 2 for Figure 1 A rear view of the wearable lower extremity venous thrombosis prevention and treatment device is shown;

[0030] Figure 3 for Figure 1 A three-dimensional schematic diagram of a wearable lower extremity venous thrombosis prevention and treatment device is shown;

[0031] Figure 4 for Figure 3 The local schematic diagram of the A in the middle;

[0032] Figure 5 for Figure 3 The local schematic diagram of point B in the middle;

[0033] Reference numerals:

[0034] 100, thigh fixing part; 110, thigh fixing rod; 120, thigh strap; 200, calf fixing part; 210, calf fixing rod; 220, calf strap; 300, connecting structure; 310, rotating shaft; 400, driving mechanism; 410, first driving gear; 420, rack; 430, linear motion driving source; 431, second driving gear; 432, handle; 500, foot straightening structure; 510, foot fixing part; 520, straightening driving part; 521, elastic supporting part; 522, pull rope; 523, winding structure; 5231, fixed wheel; 5232, adjusting rod; 5233, movable plate. DETAILED DESCRIPTION

[0035] The following embodiments of the technical solution of the present invention are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and are therefore only used as examples, and cannot be used to limit the protection scope of the present invention.

[0036] See also Figures 1 to 5 The present invention provides a wearable lower extremity venous thrombosis prevention and treatment device, including a thigh fixing part 100, a calf fixing part 200, a connecting structure 300 and a driving mechanism 400.

[0037] Specifically, the thigh fixing member 100 is used to be fixed on the patient's thigh. The calf fixing member 200 is used to be fixed on the patient's calf. The connecting structure 300 is connected between the thigh fixing member 100 and the calf fixing member 200. The driving mechanism 400 is connected to the connecting structure 300, and the driving mechanism 400 can drive the calf fixing member 200 to rotate toward the hip direction through the connecting structure 300.

[0038] When in use, the thigh fixing member 100 is first fixed on the thigh, and the calf fixing member 200 is fixed on the calf. When the patient stands in place, the patient is asked to lift his feet in place, and then the driving mechanism 400 drives the calf fixing member 200 to rotate as far as possible toward the buttocks, thereby promoting the contraction of the calf muscles and squeezing the blood in the deep veins back to the heart, thereby achieving the purpose of early prevention and treatment of lower extremity venous thrombosis. Similarly, when the patient is walking, the driving mechanism 400 can also assist in driving the calf fixing member 200 to rotate as far as possible toward the buttocks, thereby promoting the activity of the calf muscles and squeezing the blood in the deep veins back to the heart, thereby achieving the purpose of early prevention and treatment of lower extremity venous thrombosis.

[0039] When the patient is on the nursing bed, the patient can be placed in a prone position, and then the same method is used to drive the calf fixing member 200 to rotate as far as possible toward the hip through the driving mechanism 400, thereby promoting the contraction of the calf muscles and squeezing the blood in the deep veins back to the heart, thereby achieving the purpose of early prevention and treatment of lower extremity venous thrombosis.

[0040] In this embodiment, the thigh fixing member 100 includes a thigh fixing rod 110 and a thigh strap 120. The thigh fixing rod 110 is arranged on the outside of the thigh and is placed along the length direction of the thigh. The thigh strap 120 is fixed on the thigh fixing rod 110 and is used to be tied on the thigh.

[0041] The calf fixing member 200 includes a calf fixing rod 210 and a calf strap 220. The calf fixing rod 210 is arranged outside the calf and placed along the length direction of the calf. The calf strap 220 is fixed to the calf fixing rod 210 and is used to be tied to the calf. When in use, the thigh fixing rod 110 and the calf fixing rod 210 are placed close to the thigh and the calf, and then the thigh strap 120 and the calf strap 220 are tied to the thigh and the calf.

[0042] In this embodiment, the connection structure 300 includes a rotating shaft 310. The rotating shaft 310 is sleeved and fixed to the end of the calf fixing member 210 near the thigh fixing rod 110, and is rotatably sleeved to the thigh fixing member 100. The driving mechanism 400 is connected to the rotating shaft 310 and can drive the rotating shaft 310 to rotate clockwise or counterclockwise.

[0043] Specifically, the driving mechanism 400 includes a first driving gear 410, a rack 420, and a linear motion driving source 430. The first driving gear 410 is sleeved and fixed on the rotating shaft 310. The rack 420 is disposed on the thigh fixing member 100 and meshes with the first driving gear 410. The linear motion driving source 430 can drive the rack 420 to perform linear motion, and can drive the first driving gear 410 to rotate in a positive or reverse direction when the rack 420 moves forward or backward.

[0044] When in use, the rack 420 is driven to move back and forth repeatedly through the linear motion drive source 430, which can drive the first drive gear 410 to rotate clockwise or counterclockwise, thereby driving the rotating shaft 310 to rotate clockwise or counterclockwise, thereby realizing the rotation of the calf toward the buttocks, forcing the calf to rotate backward and lift, and promoting blood circulation in the calf.

[0045] In this embodiment, the linear motion driving source 430 includes a second driving gear 431 and a handle 432. The second driving gear 431 is rotatably disposed on the thigh fixing rod 110 and meshes with the rack 420. The handle 432 is disposed on the second driving gear 431, and the second driving gear 431 can be driven to rotate through the handle 432.

[0046] When in use, the second drive gear 431 only needs to be driven to rotate by the handle 432. In this way, the operation can be performed regardless of whether the patient is in a standing or lying position. In specific implementation, the handle 432 and the second drive gear 431 can be detachably connected, and the handle 432 can be connected to different positions of the second drive gear 431 in the circumferential direction according to the situation.

[0047] As a preferred embodiment, the device further comprises a foot straightening structure 500, which is tied to the foot and is used to drive the instep to straighten.

[0048] Specifically, the foot straightening structure 500 includes a foot fixing member 510 and a straightening driving member 520. The foot fixing member 510 includes a foot plate and a foot strap. The rear end of the foot plate is hinged to the bottom end of the calf fixing rod 210 to support the sole of the foot, and the foot strap is fixed to the foot plate to be tied to the foot. The straightening driving member 520 is connected to the front end of the foot plate to drive the foot plate to rotate around the hinge with the calf fixing rod 210.

[0049] In this embodiment, the straightening drive member 520 includes an elastic support member 521, a pull rope 522 and a winding structure 523. The elastic support member 521 is connected between the middle of the length direction of the foot plate and the middle of the length direction of the calf fixing rod 210, and when the angle between the foot plate and the calf fixing rod 210 is less than 180°, the elastic support member 521 is in a compressed state. The pull rope 522 is connected to the front section of the foot plate, and the winding structure 523 is connected to the pull rope 522, and the pull rope 522 can be pulled to drive the foot plate to rotate in a direction close to the calf fixing rod 210.

[0050] When the patient is in a walking state, when he lifts his foot and kicks his calf backward, the winding structure 523 releases the wire, and the elastic support member 521 drives the sole to rotate outward until the foot is in a straight state. When the foot needs to step on the ground, the winding structure 523 reels in the wire, driving the sole to rotate upward until it is perpendicular to the calf.

[0051] In this embodiment, in order to ensure that the feet are stretched and the legs are kicked at the same time, the winding structure 523 includes a winding wheel, which is fixed on the rotating shaft 310, and the pull rope 522 is wound around the winding wheel. When the calf fixing part 200 rotates toward the hip direction, the winding wheel releases the line.

[0052] During use, when the second driving gear 431 is driven to rotate by the handle 432, the rotating shaft 310 can be driven to rotate, driving the calf to kick backward while the rotating shaft 310 drives the winding wheel to rotate to release the line, thereby driving the foot to produce a stretching action; on the contrary, when the second driving gear 431 is driven to rotate in the opposite direction, the leg can be driven to straighten, the winding wheel can reel in the line, and the foot can return to its original position.

[0053] As a more preferred embodiment, in the specific implementation, the outer circumference of the reel can be adjusted to change the length of the line collection and release, thereby adjusting the angle of the foot. In the initial stage, the angle of the straightening can be small, and as the training time increases, the length of the line release can be gradually increased, so that the angle gradually increases.

[0054] Specifically, the winding wheel includes a fixed wheel 5231, an adjusting rod 5232 and a movable plate 5233. The fixed wheel 5231 is sleeved and fixed on the rotating shaft 310, and the adjusting rod 5232 is arranged on the side wall of the fixed wheel 5231 along the radial direction of the fixed wheel 5231, and the length of the adjusting rod 5232 is adjustable. The movable plate 5233 is fixed to the end of the adjusting rod 5232. The outer wall of the movable plate 5233 is provided with a limiting groove. The pull rope 522 is wound around the movable plate 5233 and the fixed wheel 5231 at the same time.

[0055] In a specific implementation, the adjusting rod 5232 can be screwed to make the adjusting rod 5232 threadedly connected to the fixing wheel 5231, and the length of the adjusting rod 5232 can be changed by changing the depth of the adjusting rod inserted into the fixing wheel 5231. At the same time, the adjusting rod 5232 can also be composed of two mutually sleeved rods and a locking member, and the length of the adjusting rod 5232 can be adjusted by changing the insertion depth of the two rods.

[0056] Specific method of using the above-mentioned wearable lower extremity venous thrombosis prevention and treatment device:

[0057] When in use, first fix the thigh fixing part 100 on the thigh, the calf fixing part 200 on the calf, and the foot on the foot fixing part, hold the handle 432, and when the patient is standing in place, let the patient lift his foot in place, press down the handle 432, drive the calf to kick back and as close to the buttocks as possible, and at the same time, the foot of the winding wheel releases the line to produce a foot-stretching action, then lift the handle 432, drive the leg to put down, and at the same time, the foot position of the winding wheel reels back to the original position. When the patient is on the nursing bed, the patient can be placed in a prone position, and then the same method is used, the calf fixing part 200 kicks back and drives the foot to stretch the foot, thereby promoting the contraction of the calf muscles, squeezing the blood in the deep veins back to the heart, and achieving the purpose of early prevention and treatment of lower extremity venous thrombosis.

[0058] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and specification of the present invention.

Claims

1. A wearable device for preventing and treating lower extremity venous thrombosis, characterized in that: include: A thigh fixing piece, used for fixing on the patient's thigh; A calf fixing piece, used for fixing on the patient's calf; A connecting structure connected between the thigh fixing member and the calf fixing member; The driving mechanism is connected to the connecting structure and can drive the calf fixing part to rotate toward the hip direction through the connecting structure.

2. The wearable lower extremity venous thrombosis prevention and treatment device according to claim 1 is characterized in that: The thigh fixing member comprises a thigh fixing rod and a thigh strap, wherein the thigh fixing rod is arranged on the outside of the thigh and is placed along the length direction of the thigh, and the thigh strap is fixed on the thigh fixing rod and is used to be tied to the thigh; The calf fixing member comprises a calf fixing rod and a calf strap, wherein the calf fixing rod is arranged at the outside of the calf and is placed along the length direction of the calf, and the calf strap is fixed on the calf fixing rod and is used for being bound on the calf.

3. The wearable lower extremity venous thrombosis prevention and treatment device according to claim 1 is characterized in that: The connection structure includes a rotating shaft, which is sleeved and fixed to the end of the calf fixing member close to the thigh fixing rod and is rotatably sleeved to the thigh fixing member. The driving mechanism is connected to the rotating shaft and can drive the rotating shaft to rotate clockwise or counterclockwise.

4. The wearable lower extremity venous thrombosis prevention and treatment device according to claim 3 is characterized in that: The driving mechanism includes a first driving gear, a rack and a linear motion driving source. The first driving gear is sleeved and fixed on the rotating shaft. The rack is arranged on the thigh fixing member and meshes with the first driving gear. The linear motion driving source can drive the rack to perform linear motion. During the forward or backward movement of the rack, the first driving gear can be driven to rotate forward or reversely.

5. The wearable lower extremity venous thrombosis prevention and treatment device according to claim 4 is characterized in that: The linear motion driving source includes a second driving gear and a handle. The second driving gear is rotatably arranged on the thigh fixing rod and meshes with the rack. The handle is arranged on the second driving gear, and the second driving gear can be driven to rotate through the handle.

6. The wearable lower extremity venous thrombosis prevention and treatment device according to claim 1 or 3, characterized in that: It also includes a foot straightening structure, which is tied to the foot and is used to drive the instep to straighten; The foot straightening structure includes a foot fixing member and a straightening driving member, the foot fixing member includes a foot plate and a foot strap, the rear end of the foot plate is hinged to the bottom end of the calf fixing rod for supporting the sole of the foot, the foot strap is fixed to the foot plate for binding the foot, and the straightening driving member is connected to the front end of the foot plate for driving the foot plate to rotate around the hinge with the calf fixing rod.

7. The wearable lower extremity venous thrombosis prevention and treatment device according to claim 6, characterized in that: The straightening drive component includes an elastic support component, a pull rope and a winding structure. The elastic support component is connected between the middle part of the foot plate in the length direction and the middle part of the calf fixing rod in the length direction, and when the angle between the foot plate and the calf fixing rod is less than 180°, the elastic support component is in a compressed state, the pull rope is connected to the front section of the foot plate, and the winding structure is connected to the pull rope, which can pull the pull rope to drive the foot plate to rotate toward the calf fixing rod.

8. The wearable lower extremity venous thrombosis prevention and treatment device according to claim 7, characterized in that: The winding structure comprises a winding wheel, which is sleeved and fixed on the rotating shaft. The pull rope is wound around the winding wheel. When the calf fixing part rotates toward the hip direction, the winding wheel releases the wire.

9. The wearable lower extremity venous thrombosis prevention and treatment device according to claim 8, characterized in that: The outer circumference of the winding wheel is also adjustable.

10. The wearable lower extremity venous thrombosis prevention and treatment device according to claim 9, characterized in that: The winding wheel includes a fixed wheel, an adjusting rod and a movable plate. The fixed wheel is sleeved and fixed on the rotating shaft. The adjusting rod is arranged on the side wall of the fixed wheel along the radial direction of the fixed wheel, and the length of the adjusting rod is adjustable. The movable plate is fixed on the end of the adjusting rod. A limiting groove is provided on the outer wall of the movable plate. The pull rope is simultaneously wound around the movable plate and the fixed wheel.

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