Pressure oversleeve for lymphedema and pressurizing method

Abstract

The invention aims to solve the problems that the regional pressure of the existing upper limb lymphedema treatment equipment is difficult to accurately control and the single-person operation is inconvenient. The invention provides a pressure oversleeve for lymphedema and a pressurizing method. The pressure oversleeve comprises an outer covering layer and an air bag. The outer coating layer comprises a first area, a second area, a third area and a fourth area, and the adjacent areas are connected with each other; independent air bags are arranged in the first area, the second area, the third area and the fourth area respectively; each air bag is further provided with an air inflation connector used for air inflation and pressurization, and the air inflation connectors are connected with air inflation equipment. A valve used for controlling connection and disconnection is arranged between the inflation connector and the air bag. Separable connecting structures are arranged on the first area, the second area, the third area and the fourth area respectively, and the connecting structures are located on the two sides of the corresponding areas; the gradient pressure treatment mode is achieved, operation is convenient, and operation can be completed by one person.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and in particular to a pressure cuff for lymphedema and a pressurizing method. Background Art

[0002] Upper limb lymphedema is a soft tissue swelling disease caused by obstruction of lymph flow. It often occurs after lymph node dissection surgery or radiotherapy and is one of the common complications of breast cancer treatment.

[0003] Among them, lymphedema has poor self-healing ability. As the edema worsens, it will further hinder the return of lymph fluid. Therefore, external intervention is required to speed up the recovery of lymphedema. In traditional treatment methods, pressure bandages or adhesive sleeves are usually used, such as those shown in the patent with authorization announcement number CN217245465U. However, the former is more expensive, and it is extremely difficult for the patient to complete the bandage wrapping process by himself. Usually, professional medical staff are needed to help complete the pressure bandage wrapping work, which is inconvenient; the latter is difficult to adjust the pressure conditions of each part, and it is impossible to achieve the gradient pressure requirement during the treatment of lymphedema. In addition, it is difficult to achieve more accurate pressure for different stages of lymphedema. Therefore, there is a need for a pressure cuff and pressurization method for lymphedema that is easy to use and can achieve accurate gradient pressure. Summary of the Invention

[0004] The purpose of the present invention is to solve the deficiencies of the prior art and to provide a pressure cuff and a pressurizing method for treating lymphedema.

[0005] In order to solve the above problems, the present invention adopts the following technical solutions: A pressure cuff for lymphedema comprises an outer covering layer for wrapping and an airbag; the outer covering layer comprises a first region, a second region, a third region, and a fourth region, corresponding to the palm, forearm, upper arm, and shoulder of the human body, respectively, with adjacent regions interconnected; the first region, the second region, the third region, and the fourth region are each provided with an independent airbag, the airbag being located on the side of the outer covering layer close to the human skin; each airbag is also provided with an inflation interface for inflation and pressurization, the inflation interface being connected to an inflation device; a valve for controlling on and off is provided between the inflation interface and the airbag; the first region, the second region, the third region, and the fourth region are also each provided with a detachable connecting structure for wrapping around and fixing the upper limb, the connecting structure being located on both sides of the respective region.

[0006] Furthermore, the inflation device is a pressurized ball or an automatic air pump provided with a pressure gauge.

[0007] Furthermore, the connection structure includes an extension area and a Velcro, wherein the extension area extends outward from the edge of the outer covering layer to a set length; the extension area and the outer covering layer are integrally formed; the Velcro is arranged at the end of the extension area away from the outer covering layer; the Velcro and the airbag are located on the same side of the outer covering layer; the Velcro is adhered to the side of the outer covering layer away from the airbag.

[0008] Furthermore, the outer covering layer includes a felt layer and a sealing layer; the sealing layer is located between the felt layer and the airbag.

[0009] Furthermore, the felt layer is made of non-woven fabric; and the sealing layer is made of TPU film.

[0010] Furthermore, the sealing layer is provided with a plurality of ventilation holes, and the ventilation holes are located in the area of ​​the outer covering layer that does not overlap with the airbag.

[0011] Furthermore, a first positioning hole for passing the thumb is provided on the first area; and a second positioning hole corresponding to the elbow is provided between the second area and the third area.

[0012] Furthermore, at least one hollow hole is provided in the middle area of ​​the airbag, and the length direction of the hollow hole is consistent with the length direction of the arm.

[0013] Furthermore, a strap for wrapping around the other side of the armpit for fixing is provided on one side of the fourth area away from the third area.

[0014] A method for pressurizing a pressure cuff, based on the above-mentioned pressure cuff, specifically comprises the following steps: Step 1: Wear the compression sleeve and pass the strap around the other armpit and connect it to the fourth area. After wrapping each area around the arm, fix it to the outside of the outer cover through the connecting structure. Step 2: Using the inflation device, inflate the airbags in the first area, the second area, the third area, and the fourth area according to the pressure setting value; Step 3: Observe the airbag pressure value in each area, close the valve when the set pressure value is reached, and then disconnect the inflation device from the inflation interface; Step 4: After the set time has passed, open the valve to release the air, remove the pressure cuff, and return to step 1.

[0015] The beneficial effects of the present invention are: By setting the outer covering layer to include four areas, and setting independent air bags in each of the four areas, the pressure of each area can be controlled according to the specific pressure prescription, thus realizing gradient pressure treatment. It is easy to operate and can be completed by one person. By setting a detachable connection structure, the pressure cuff is easy to wear and remove, and can be recycled, which improves convenience and reduces usage costs; By setting up an inflation interface and cooperating with a separate valve, the pressure cuff can be used separately from the inflation device, improving compliance and reducing obstacles to daily life. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of Example 1; Figure 2 This is a schematic diagram of the overall structure of Example 1 from another angle; Figure 3 This is a schematic diagram of the coordination between the inflation interface of Example 1 and the inflation port of the inflation device; Figure 4 Schematic diagram of the double-buckle inflation port.

[0017] Explanation of the accompanying drawings: outer layer 1, first area 11, second area 12, third area 13, fourth area 14, strap 15, first positioning hole 16, second positioning hole 17, airbag 2, hollow hole 21, inflation interface 3, snap ring 31, valve 4, inflation port 5, buckle 51. DETAILED DESCRIPTION

[0018] The following describes the embodiments of the present invention through specific examples. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments. The details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and features in the embodiments can be combined with each other unless they conflict.

[0019] It should be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present invention. Therefore, the figures only show components related to the present invention and are not drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component can be changed at will, and the component layout type may also be more complicated.

[0020] Example 1: like Figures 1 to 4As shown, a pressure cuff for lymphedema includes an outer covering layer 1 and an air bag 2 for wrapping; wherein the outer covering layer 1 includes a first area 11, a second area 12, a third area 13 and a fourth area 14, which correspond to the palm, forearm, upper arm and shoulder of the human body respectively, and adjacent areas are connected to each other; in this example, the first area 11, the second area 12, the third area 13 and the fourth area 14 are formed by cutting from a complete piece of material, wherein each area is cut to fit the shape of the corresponding arm, palm and shoulder, and can wrap at least one circle; the first area 11, the second area 12, the third area 13 and the fourth area 14 are respectively provided with an independent air bag 2, the air bag 2 is located on the side of the outer covering layer 1 close to the human skin, the air bag 2 is fixedly connected to the outer covering layer 1, and the edge of the air bag 2 is sealed; it should be noted that the size of the air bag 2 is slightly smaller than the size of the corresponding area, so that the corresponding area can be ensured in When wrapped around the arm, it can tightly wrap the airbag 2. On the other hand, each area is provided with an empty area corresponding to the airbag 2, which is convenient for responding to the needs of arms of different body shapes and lengths. In addition, it can adapt to a wider range of body groups by setting different overall sizes; each airbag 2 is also provided with an inflation interface 3 for inflation and pressurization, and the inflation interface 3 is connected to the inflation device, including a snap-on connection method 51 that can achieve quick release or a more reliable threaded connection method; a valve 4 for controlling the on and off is provided between the inflation interface 3 and the airbag 2 to facilitate the inflation or deflation control of each airbag 2. In this example, the valve 4 adopts a triangular valve with simple structure, low cost, small size and stable function; the first area 11, the second area 12, the third area 13 and the fourth area 14 are also respectively provided with a detachable connection structure for wrapping around the upper limb for fixation, and the connection structure is located on both sides of the respective area. During implementation, the user can accurately pressurize each airbag 2 according to the prescribed pressure prescription. In particular, when used with an inflation device equipped with a pressure display, the pressure of each airbag can be precisely controlled, meeting the needs of patients with mild lymphedema. Furthermore, the device is effective in preventing postoperative breast cancer and lymphatic reflux. After each airbag is inflated, the device is disconnected, and the user can continue wearing the sleeve while engaging in activities, minimizing the impact on daily life and ensuring high compliance.

[0021] The inflatable device is a pressurized ball or automatic air pump equipped with a pressure gauge. The inflatable interface 3 is located on the side of the outer cover 1 away from the airbag 2. The inflatable interface 3 is provided with an outwardly protruding snap ring 31. The end of the inflatable interface 3 smoothly transitions to the snap ring 31, making it convenient to insert the inflatable interface 3 into the inflatable device for snap connection. The inflatable device is provided with a snap 51 corresponding to the inflatable interface 3 and the snap ring 31 thereon. The snap 51 is located on the side of the inflatable port 5 of the inflatable device. When the inflatable connector is inserted into the inflatable port 5, the snap 51 snaps onto the snap ring 31 to form a snap connection. The snap 51 is rotatably connected to the inflatable port 5 of the inflatable device. An elastic member is also provided between the snap 51 and the inflatable port 5 to help the snap 51 resist the snap ring 31 to prevent it from falling out. The connection between the snap 51 and the snap ring 31 can only be released by external force pressing the snap 51. The elastic member can be a torsion spring or a spring. In some other embodiments, two mirror-image buckles 51 may be provided at the inflation port 5 of the inflation device, and the two buckles 51 clamp the position of the snap ring 31 of the inflation interface 3, so that a more stable fixing effect can be achieved by clamping on both sides. When separating, the buckles 51 on both sides can be pressed down toward the inflation port 5 to release the clamping, and one-handed operation is also more convenient.

[0022] The connection structure includes an extension region and a Velcro strip, wherein the extension region extends outward from the edge of the outer covering layer 1 to a set length; the extension region and the outer covering layer 1 are integrally formed; the Velcro strip is disposed at the end of the extension region away from the outer covering layer 1; the Velcro strip and the airbag 2 are located on the same side of the outer covering layer 1; and the Velcro strip is adhered to the side of the outer covering layer 1 away from the airbag 2. The outer covering layer 1 includes a felt layer and a sealing layer; the sealing layer is located between the felt layer and the airbag 2; specifically, the felt layer is made of non-woven fabric that can bond with the Velcro strip to achieve wrapping and fixing of the outer covering layer 1; the sealing layer is made of TPU film. In this example, the extension region on the outer covering layer 1 and the inflation port 3 on the outer covering layer 1 are located on the same side of the corresponding region. In this way, the extension region can be wrapped around and then bonded to the side of the outer covering layer 1 away from the inflation port 3, preventing the location of the inflation port 3 from interfering with the Velcro strip's adhesion.

[0023] The sealing layer is further provided with a plurality of ventilation holes, which are located in the area of ​​the outer cover layer 1 that does not overlap with the airbag 2. The ventilation holes enhance the ventilation performance and improve the comfort.

[0024] The first region 11 is also provided with a first positioning hole 16 for inserting the thumb; a second positioning hole 17 corresponding to the elbow is provided between the second region 12 and the third region 13. The combination of the first positioning hole 16 and the second positioning hole 17 facilitates alignment of the first region 11 and the second region 12 with the limb, ensuring accurate donning of the device and ensuring that the airbag 2 forms a good alignment with the lymphatic tissue area on the arm. This also improves donning convenience and facilitates wrapping the connecting structure around it. It should be noted that in actual use, the connecting structure does not need to be pulled extremely tight; it only needs to ensure that the airbag 2 is in full contact with the skin. As the airbag 2 is subsequently inflated, it expands, further tightening the outer cover 1 and the connecting structure, ensuring a certain amount of pressure is applied to the skin tissue. The third region 13 and the fourth region 14 are connected by two strap-like structures. This maintains the connection between the third region 13 and the fourth region 14 even when the arm and shoulder move at a large angle, minimizing interference with movement.

[0025] The central region of the airbag 2 is provided with at least one hollow hole 21, the length of which aligns with the length of the arm. Because the airbag 2 bends to varying degrees when wrapped around the arm, palm, or shoulder, the surface of the airbag 2 may be squeezed against each other. The provision of the hollow hole 21 reduces the area of ​​squeeze between the airbag 2's surfaces, improving wearing comfort. In this example, the inner sidewalls of the hollow hole 21 are rounded, particularly on the inner sidewall that aligns with the length of the arm. This allows the inner sidewalls on either side of the length to approach each other until they fit together when the airbag 2 bends. This ensures that the surface of the airbag 2 fully contacts the skin tissue, achieving a comfortable fit. Furthermore, it ensures that the skin tissue in the area of ​​the airbag 2 is effectively squeezed, meeting the therapeutic needs of lymphedema.

[0026] A side of the fourth area 14 away from the third area 13 is provided with a strap 15 for wrapping around the other side's armpit for fixing. When in use, the strap 15 passes around the other side's armpit and then returns to the fourth area 14, and then a more reliable detachable connection is achieved through a buckle or other structure.

[0027] The outer cover 1 is also provided with a hidden fixing structure for hiding the inflation connector, wherein the hidden fixing structure can be an elastic belt with both ends fixed to the outer cover 1, or a belt with one end fixed and the other end connected to the outer cover 1 by Velcro; the inflation connector can be conveniently inserted into the elastic belt or belt to achieve concealment and fixation, thereby reducing interference caused by the inflation connector during upper limb activities.

[0028] A method for pressurizing a pressure cuff, based on the above-mentioned pressure cuff, specifically comprises the following steps: Step 1: Wear the compression sleeve and pass the strap 15 around the other armpit and connect it to the fourth area 14. After wrapping each area around the arm, fix it to the outside of the outer cover 1 through the connecting structure. Step 2: Using the inflation device, inflate the airbags 2 in the first area 11 , the second area 12 , the third area 13 , and the fourth area 14 according to the pressure setting value; Step 3: Observe the pressure value of the airbag 2 in each area, close the valve 4 after reaching the set pressure value, and then disconnect the inflation device from the inflation interface 3; Step 4: After the set time, usually 3 hours, open valve 4 to deflate, remove the pressure cuff, and return to step 1. This will ensure that the pressure in the airbag 2 is relatively constant, and on the other hand, you can relax your arm for a short time. During this period, you can also do things that are difficult to do while wearing the cuff, such as taking a shower.

[0029] During implementation, the outer covering layer 1 is provided with four areas, and independent air bags 2 are respectively provided on the four areas. In this way, the pressure of each area can be controlled according to a specific pressure prescription to realize gradient pressure treatment. Moreover, the operation is convenient and can be completed by a single person. By providing a detachable connection structure, it is convenient to wear and remove the pressure cuff, and recycling is achieved, which improves convenience and reduces the cost of use. By providing an inflation interface 3 and cooperating with a separate valve 4, the pressure cuff can be separated from the inflation device for use, thereby improving compliance and reducing obstacles to daily life.

[0030] The above description is merely a specific example of the present invention and does not constitute any limitation thereto. It is apparent to those skilled in the art, after understanding the content and principles of the present invention, that various modifications and alterations in form and detail may be made without departing from the principles and structure of the present invention. However, such modifications and alterations based on the concepts of the present invention remain within the scope of protection of the claims of the present invention.

Claims

1. A pressure cuff for lymphedema, characterized in that: The invention comprises an outer covering layer (1) for wrapping and an air bag (2); wherein the outer covering layer (1) comprises a first area (11), a second area (12), a third area (13) and a fourth area (14), which respectively correspond to the palm, forearm, upper arm and shoulder of the human body, and the adjacent areas are connected to each other; the first area (11), the second area (12), the third area (13) and the fourth area (14) are respectively provided with an independent air bag (2), and the air bag (2) is located on the side of the outer covering layer (1) close to the human skin; each air bag (2) is also provided with an inflation interface (3) for inflation and pressurization, and the inflation interface (3) is connected to the inflation device; a valve (4) for controlling on and off is provided between the inflation interface (3) and the air bag (2); the first area (11), the second area (12), the third area (13) and the fourth area (14) are also respectively provided with a detachable connection structure for wrapping around the upper limb for fixing, and the connection structure is located on both sides of the respective area.

2. The pressure cuff for lymphedema according to claim 1, characterized in that: The inflation device is a pressurized ball equipped with a pressure gauge or an automatic air pump.

3. The pressure cuff for lymphedema according to claim 1, characterized in that: The connection structure comprises an extension region and a Velcro, wherein the extension region extends outward from the edge of the outer covering layer (1) to a set length; the extension region and the outer covering layer (1) are integrally formed; the Velcro is arranged at an end of the extension region away from the outer covering layer (1); the Velcro and the airbag (2) are located on the same side of the outer covering layer (1); and the Velcro is adhered to a side of the outer covering layer (1) away from the airbag (2).

4. The pressure cuff for lymphedema according to claim 3, characterized in that: The outer covering layer (1) comprises a felt layer and a sealing layer; the sealing layer is located between the felt layer and the airbag (2).

5. The pressure cuff for lymphedema according to claim 4, characterized in that: The felt layer is made of non-woven fabric; the sealing layer is made of TPU film.

6. The pressure cuff for lymphedema according to claim 5, characterized in that: The sealing layer is also provided with a plurality of ventilation holes, which are located in an area of ​​the outer covering layer (1) that does not overlap with the airbag (2).

7. The pressure cuff for lymphedema according to claim 1, characterized in that: The first area (11) is also provided with a first positioning hole (16) for passing the thumb through; and a second positioning hole (17) corresponding to the elbow is provided between the second area (12) and the third area (13).

8. The pressure cuff for lymphedema according to claim 1, characterized in that: At least one hollow hole (21) is provided in the middle area of ​​the airbag (2), and the length direction of the hollow hole (21) is consistent with the length direction of the arm.

9. The pressure cuff for lymphedema according to claim 1, characterized in that: A side of the fourth region (14) away from the third region (13) is provided with a strap (15) for wrapping around the other side under the armpit for fixing.

10. A method for pressurizing a pressure cuff, characterized in that: The pressure cuff according to any one of claims 1 to 9 specifically comprises the following steps: Step 1: Wear the pressure sleeve and pass the strap (15) around the other armpit and connect it to the fourth area (14). After wrapping the respective areas around the arm, they are fixedly connected to the outer cover (1) through the connecting structure; Step 2: Using the inflation device, inflate the airbags (2) in the first area (11), the second area (12), the third area (13), and the fourth area (14) according to the pressure setting value; Step 3: Observe the pressure value of the airbag (2) in each area, close the valve (4) after reaching the set pressure value, and then disconnect the inflation device from the inflation interface (3); Step 4: After the set time has passed, open valve (4) to release the air, remove the pressure cuff, and return to step 1.

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