Negative pressure drainage device for chronic wound exudate

Abstract

The utility model belongs to the technical field of chronic wound seepage negative pressure drainage, and particularly relates to a chronic wound seepage negative pressure drainage device which comprises a drainage container and a use fixing frame, a negative pressure adjusting device is fixedly installed at the top of the drainage container, and a negative pressure connector is fixedly installed at the top of the negative pressure adjusting device. A flow guide hose is fixedly installed at the top of the negative pressure connector, a drainage tube is fixedly installed on the outer side of the flow guide hose, the negative pressure adjusting device and the negative pressure connector can enable medical staff to set a proper negative pressure value on the controller according to the type of a wound and the healing stage, for example, the negative pressure value can be set to be-80 mmHg to-120 mmHg in the initial stage of diabetic foot ulcer, and the negative pressure value can be set to be-80 mmHg to-120 mmHg in the healing stage of the wound. Along with wound healing, the wound is gradually adjusted to-40 mmHg to-60 mmHg; the wound contact pad is positioned at one end of the drainage tube with the side hole and is in direct contact with a wound; the wound contact pad is made of a hydrophilic polyurethane foam material, and the material can quickly absorb seepage and keep certain air permeability at the same time, so that healing of the wound is facilitated.

Description

Technical Field

[0001] This utility model relates to the field of negative pressure drainage technology for chronic wound exudate, and in particular to a negative pressure drainage device for chronic wound exudate. Background Technology

[0002] Negative pressure wound therapy is a new technology developed in recent years for treating wounds. It uses a biological semi-permeable membrane to close open wounds and uses a special negative pressure machine to generate a certain negative pressure, which is applied to the cleaned wound through drainage tubes and dressings.

[0003] CN 219167253 U discloses a negative pressure drainage device for chronic wound exudate, including a storage bag and three arc-shaped plates. An air duct is fixedly connected to the top of the storage bag, a rubber sleeve is fixedly connected to the inner wall of the air duct, a connecting tube is inserted into the inner wall of the rubber sleeve, a piston cylinder is fixedly connected to the other end of the connecting tube, a piston plate is slidably connected to the inner wall of the piston cylinder, a waste delivery hose is fixedly connected to the top of the storage bag, and a waste delivery rigid pipe is fixedly connected to the other end of the waste delivery hose.

[0004] When in use, the existing device is not compact and convenient enough, making it impossible for people to wear and use it in daily life, and it is also inconvenient to fix the tube. Therefore, we propose a negative pressure drainage device for chronic wound exudate. Utility Model Content

[0005] The purpose of this invention is to provide a negative pressure drainage device for chronic wound exudate, which solves the existing problems.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A negative pressure drainage device for chronic wound exudate includes a drainage container and a fixing frame. A negative pressure regulating device is fixedly installed on the top of the drainage container, a negative pressure connector is fixedly installed on the top of the negative pressure regulating device, a drainage hose is fixedly installed on the top of the negative pressure connector, a drainage tube is fixedly installed on the outside of the drainage hose, a plurality of drainage side holes are opened on one side of the drainage tube, and a wound contact pad is fixedly installed on the outside of the drainage tube.

[0008] As a further improvement to the above solution, a sliding frame is fixedly installed on one side of the fixed frame, a drainage container is provided on the inner side of the sliding frame, and a magnetic block is fixedly installed at the bottom of the drainage container.

[0009] As a further improvement to the above solution, a storage battery is fixedly installed on one side of the mounting bracket, an air pump is fixedly installed on the inner side of the mounting bracket, a clamping rubber pad is fixedly installed between the inner walls of the front and rear sides of the mounting bracket, an air supply hose is fixedly installed on one side of the clamping rubber pad, and one end of the air supply hose is fixedly installed on one side of the air pump.

[0010] As a further improvement to the above solution, a rotating block is rotatably mounted on the outer side of the flow guiding hose, a binding strap is fixedly mounted on the outer side of the rotating block, and Velcro is fixedly mounted on the outer side of the binding strap.

[0011] As a further improvement to the above solution, a sliding groove is provided on the top of the sliding frame, and the drainage container fits into the sliding groove.

[0012] As a further improvement to the above solution, a drain pipe is fixedly installed on the front side of the drainage container, and a shut-off valve is fixedly installed on the outside of the drain pipe.

[0013] As a further improvement to the above solution, the wound contact pad is made of hydrophilic polyurethane foam, and multiple ventilation holes are provided on the top of the wound contact pad.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] (1) The present invention provides a negative pressure drainage device for chronic wound exudate. The negative pressure adjustment device and negative pressure connector allow medical staff to set appropriate negative pressure values ​​on the controller according to the type and healing stage of the wound. For example, in the early stage of diabetic foot ulcer, it can be set to -80mmHg to -120mmHg, and gradually adjusted to -40mmHg to -60mmHg as the wound heals. The wound contact pad is located at the end of the drainage tube with side holes and is in direct contact with the wound. The wound contact pad is made of hydrophilic polyurethane foam material, which can quickly absorb exudate while maintaining a certain degree of breathability, which is conducive to wound healing.

[0016] (2) The present invention provides a chronic wound exudate negative pressure drainage device, which is fixed above the limb of the person using a fixed frame. The air pump is controlled to supply air to the clamping rubber pad through the air delivery hose, so that the clamping rubber pad can be in contact with the human skin after expansion, so that the person can move and use the device by using the fixed frame. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a three-dimensional structural diagram of a negative pressure drainage device for chronic wound exudate proposed in this utility model;

[0019] Figure 2 This is a side view of the three-dimensional structure of a negative pressure drainage device for chronic wound exudate proposed in this utility model.

[0020] Figure 3 This is a three-dimensional structural diagram of the negative pressure drainage device for chronic wound exudate proposed in this utility model, viewed from below.

[0021] Figure 4 This is a partial three-dimensional structural diagram of a negative pressure drainage device for chronic wound exudate proposed in this utility model.

[0022] In the diagram: 1. Drainage container; 2. Negative pressure regulating device; 3. Negative pressure connector; 4. Drainage hose; 5. Drainage tube; 6. Drainage side hole; 7. Wound contact pad; 8. Fixation frame; 9. Slide-in frame; 10. Magnetic block; 11. Battery; 12. Air pump; 13. Clamping rubber pad; 14. Air supply hose; 15. Rotating block; 16. Binding strap; 17. Velcro; 18. Slide-in groove; 19. Drain pipe; 20. Cut-off valve. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0024] refer to Figure 1-4 A negative pressure drainage device for chronic wound exudate includes a drainage container 1 and a fixing frame 8. A negative pressure regulating device 2 is fixedly installed on the top of the drainage container 1. A negative pressure connector 3 is fixedly installed on the top of the negative pressure regulating device 2. A drainage hose 4 is fixedly installed on the top of the negative pressure connector 3. A drainage tube 5 is fixedly installed on the outside of the drainage hose 4. Multiple drainage side holes 6 are opened on one side of the drainage tube 5. A wound contact pad 7 is fixedly installed on the outside of the drainage tube 5. The negative pressure regulating device 2 is connected to the negative pressure connector 3 to precisely control the negative pressure value in the drainage container. The drainage side holes 6 are circular or elliptical in shape and have a moderate diameter to effectively prevent blockage and facilitate the exudate to enter the drainage hose 4. The drainage container 1 is made of transparent plastic to facilitate observation of the amount and nature of the exudate.

[0025] In this embodiment, a sliding frame 9 is fixedly installed on one side of the fixing frame 8, a drainage container 1 is provided on the inner side of the sliding frame 9, and a magnetic block 10 is fixedly installed at the bottom of the drainage container 1.

[0026] In this embodiment, a storage battery 11 is fixedly installed on one side of the mounting bracket 8, an air pump 12 is fixedly installed on the inner side of the mounting bracket 8, a clamping rubber pad 13 is fixedly installed between the inner walls of the front and rear sides of the mounting bracket 8, an air supply hose 14 is fixedly installed on one side of the clamping rubber pad 13, and one end of the air supply hose 14 is fixedly installed on one side of the air pump 12; the air pump 12 is controlled to supply air to the clamping rubber pad 13 through the air supply hose 14, so that the clamping rubber pad 13 can come into contact with the human skin after expansion, so that the person can move and use the device by using the mounting bracket 8.

[0027] In this embodiment, a rotating block 15 is rotatably installed on the outer side of the drainage tube 4, a binding strap 16 is fixedly installed on the outer side of the rotating block 15, and a Velcro 17 is fixedly installed on the outer side of the binding strap 16; it can be adjusted according to different parts of the patient's body to provide appropriate fixation force, which ensures the stability of the drainage device without causing excessive pressure on the patient.

[0028] In this embodiment, a sliding groove 18 is provided on the top of the sliding frame 9, and the drainage container 1 fits into the sliding groove 18. The sliding groove 18 facilitates the drainage container 1 to enter the inner side of the sliding frame 9 for collection and placement, thereby connecting the magnetic block 10 below the drainage container 1 with the sliding frame 9, making the placement of the drainage container 1 more stable.

[0029] In this embodiment, a drain pipe 19 is fixedly installed on the front side of the drainage container 1, and a shut-off valve 20 is fixedly installed on the outside of the drain pipe 19.

[0030] In this embodiment, the wound contact pad 7 is made of hydrophilic polyurethane foam, and multiple vent holes are provided on the top of the wound contact pad 7. This material can quickly absorb exudate while maintaining a certain degree of breathability, which is beneficial to wound healing. The shape of the wound contact pad can be cut according to the shape of the wound, and its connection with the drainage tube is specially treated to ensure a firm connection and good sealing to prevent exudate leakage.

[0031] The implementation principle of a negative pressure drainage device for chronic wound exudate in this embodiment is as follows: A fixation frame 8 is fixed above the limb of the person. An air pump 12 supplies air to the clamping rubber pad 13 through an air delivery hose 14, allowing the clamping rubber pad 13 to expand and contact the skin. This allows the person to move the device using the fixation frame 8. The drainage container 1 is slid into the inner side of the sliding frame 9. Negative pressure drainage is achieved through the cooperation of the negative pressure regulating device 2, negative pressure connector 3, and drainage hose 4. Drainage is also achieved through the wound contact pad 7 above the drainage tube 5. The negative pressure regulating device 2 and negative pressure connector 3 allow medical personnel to adjust the device according to the wound's condition. Depending on the type and healing stage of the wound, a suitable negative pressure value is set on the controller. For example, in the early stage of diabetic foot ulcers, it can be set to -80mmHg to -120mmHg, and gradually adjusted to -40mmHg to -60mmHg as the wound heals. The wound contact pad 7 is located at the end of the drainage tube with the drainage side hole 6 and is in direct contact with the wound. The wound contact pad 7 is made of hydrophilic polyurethane foam material, which can quickly absorb exudate while maintaining a certain degree of breathability, which is conducive to wound healing. The binding strap 16 and Velcro 17 on the top of the device can bind and fix the drainage tube 4, so that the person can carry the device during rehabilitation exercises.

[0032] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0033] The above provides a detailed description of a negative pressure drainage device for chronic wound exudate provided by this utility model. Specific embodiments have been used to illustrate the principle and implementation of this utility model. The descriptions of the embodiments above are only for the purpose of helping to understand the method and core idea of ​​this utility model. It should be noted that those skilled in the art can make several improvements and modifications to this utility model without departing from the principle of this utility model, and these improvements and modifications also fall within the protection scope of the claims of this utility model.

Claims

1. A negative pressure drainage device for chronic wound exudate, characterized in that, include: A drainage container (1) and a fixing bracket (8) are used. A negative pressure regulating device (2) is fixedly installed on the top of the drainage container (1). A negative pressure connector (3) is fixedly installed on the top of the negative pressure regulating device (2). A drainage hose (4) is fixedly installed on the top of the negative pressure connector (3). A drainage tube (5) is fixedly installed on the outside of the drainage hose (4). A plurality of drainage side holes (6) are opened on one side of the drainage tube (5). A wound contact pad (7) is fixedly installed on the outside of the drainage tube (5).

2. The chronic wound exudate negative pressure drainage device according to claim 1, characterized in that, A sliding frame (9) is fixedly installed on one side of the fixed frame (8), and a drainage container (1) is provided on the inner side of the sliding frame (9). A magnetic block (10) is fixedly installed at the bottom of the drainage container (1).

3. The chronic wound exudate negative pressure drainage device according to claim 1, characterized in that, A battery (11) is fixedly installed on one side of the mounting bracket (8), an air pump (12) is fixedly installed on the inner side of the mounting bracket (8), a clamping rubber pad (13) is fixedly installed between the inner walls of the front and rear sides of the mounting bracket (8), an air delivery hose (14) is fixedly installed on one side of the clamping rubber pad (13), and one end of the air delivery hose (14) is fixedly installed on one side of the air pump (12).

4. The negative pressure drainage device for chronic wound exudate according to claim 1, characterized in that, A rotating block (15) is rotatably mounted on the outside of the flow guide hose (4), a binding strap (16) is fixedly mounted on the outside of the rotating block (15), and a Velcro strap (17) is fixedly mounted on the outside of the binding strap (16).

5. A negative pressure drainage device for chronic wound exudate according to claim 2, characterized in that, The top of the slide-in frame (9) is provided with a slide-in groove (18), and the drainage container (1) is in contact with the slide-in groove (18).

6. The chronic wound exudate negative pressure drainage device according to claim 1, characterized in that, A drain pipe (19) is fixedly installed on the front side of the drainage container (1), and a shut-off valve (20) is fixedly installed on the outside of the drain pipe (19).

7. The chronic wound exudate negative pressure drainage device according to claim 1, characterized in that, The wound contact pad (7) is made of hydrophilic polyurethane foam, and multiple air vents are provided on the top of the wound contact pad (7).

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