Negative pressure drainage tube structure
Through the innovative design of the four-way connector and negative pressure drainage tube, the drainage, flushing and drug administration functions are integrated, solving the problems of single function and easy clogging of traditional drainage devices, and improving the clinical use effect and convenience.
Patent Information
- Application Number
- CN202423040104.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-10
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-12-10
AI Technical Summary
Existing drainage devices have a single function and cannot take into account both wound infection prevention and treatment and drug injection. They are prone to clogging and have an inconvenient way of generating negative pressure. Their single structural design cannot adapt to diverse needs.
It adopts a four-way connector design, integrating drainage, flushing and drug administration functions. The drainage tube is equipped with drainage grooves and channels. The negative pressure drainage bag adopts upper and lower frames and spring structures to simplify the generation of negative pressure.
It realizes the multifunctional integration of drainage, flushing and drug administration, improves the treatment effect and efficiency, reduces the frequency of blockage, reduces the patient's pain and medical costs, and enhances the convenience of use.
Smart Images
Figure CN223438917U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to drainage tube technical field more specifically, relate to a negative pressure drainage tube structure. BACKGROUND
[0002] Negative pressure drainage technology is an important technology widely used in clinical treatment, especially in wound cleaning, abscess drainage and postoperative recovery, which can effectively help patients to discharge the body fluid and infectious material. However, the common drainage system on the market still has the following problems:
[0003] Single drainage function, the traditional drainage device mostly realizes the function of discharging the wound fluid outward, and cannot meet other needs. For example, when the drainage tube is left in the human body for a long time, the wound is easy to be infected, and it is difficult to realize direct cleaning of the lesion or local injection of anti-infective drugs in the prior art.
[0004] Drainage pipeline blockage problem, due to blood clots or tissue fragments may accumulate in the drainage pipeline, often leading to pipeline blockage phenomenon. Once blocked, not only affects the drainage efficiency, but also may further aggravate the risk of wound infection. The current drainage equipment usually needs additional operation or replacement of pipeline to solve the blockage problem, which increases the burden of medical staff, and also causes additional physical pain and economic burden to patients.
[0005] The negative pressure generation mode is single and inconvenient to use, and the existing negative pressure drainage bag mostly adopts external negative pressure source or preset negative pressure mode, which increases the dependence of the equipment and is not suitable for emergency use or resource limited scene. At the same time, the negative pressure bag also has complexity in assembly, use and negative pressure recovery process, which is not convenient.
[0006] The structure design is single, which cannot meet the diversified needs, the internal structure of the traditional drainage tube is single, which cannot be adjusted according to different wound parts and needs, affecting the comprehensiveness of its drainage effect. For example, the existing pipeline structure cannot effectively realize the overall flushing or local drug distribution in the wound, resulting in unsatisfactory drainage and treatment effect. UTILITY MODEL CONTENT
[0007] In view of the problems existing in the prior art, the purpose of the utility model is to provide a negative pressure drainage tube structure for solving the problems mentioned in the background technology.
[0008] In order to solve the above problems, the utility model adopts the following technical scheme:
[0009] The negative pressure drainage tube structure comprises a four-way joint, the four-way joint comprises a first joint, a second joint, a third joint and a fourth joint, the first joint of the four-way joint is communicated with a drainage tube, the second joint of the four-way joint is communicated with a negative pressure drainage bag, and the third joint and the fourth joint of the four-way joint are both connected with anti-reflux valves.
[0010] The drainage tube comprises an integrally formed drainage section and an output section.
[0011] The drainage section is used for drainage of wound liquid, drainage grooves are uniformly arranged outside the drainage section, and a drainage channel is arranged inside the drainage section, so that liquid is transported to the output section through the drainage grooves and the drainage channel.
[0012] The output section comprises a channel A communicated with the drainage channel and a channel B communicated with a plurality of drainage grooves.
[0013] The first joint of the four-way joint is provided with a flushing cavity and a drainage cavity arranged in parallel, one end of the flushing cavity is communicated with the third joint, one end of the drainage cavity is communicated with the fourth joint, and the other ends of the flushing cavity and the drainage cavity are communicated with the output section of the drainage tube, wherein the flushing cavity is communicated with the channel A, and the drainage cavity is communicated with the channel B.
[0014] The second joint of the four-way joint is provided with a negative pressure end, and the negative pressure end is connected with the negative pressure drainage bag through a pipe.
[0015] As preferred, the anti-reflux valve on the third joint is installed on the flushing cavity, and the anti-reflux valve on the fourth joint is installed on the drainage cavity.
[0016] As preferred, the negative pressure drainage bag comprises a bag body, an upper framework, a lower framework, a spring, an upper buckle and a lower buckle, the upper framework and the lower framework are arranged on the two sides of the inside of the bag body respectively, the upper buckle is arranged on the upper framework, the lower buckle is arranged on the lower framework, the upper buckle and the lower buckle are used in cooperation with each other, and the spring is arranged between the upper framework and the lower framework.
[0017] As preferred, one end of the bag body is provided with a discharge interface communicated, the discharge interface is provided with a discharge switch, and one side of the discharge switch is provided with a discharge port.
[0018] As preferred, the drainage grooves and the drainage channel of the drainage section are uniformly distributed or are distributed according to the needs of a lesion.
[0019] As preferred, multiple injection holes and injection grooves are arranged on the drainage section, which are communicated with the drainage channel, for uniformly injecting medicine or flushing liquid into the lesion.
[0020] As preferred, the drainage cavity injects flushing liquid or physiological saline through the anti-backflow valve, for removing the blockage of the drainage cavity caused by blood clots or impurities.
[0021] As preferred, a guide wire can be placed in the drainage cavity, for dredging the blockage caused by impurity accumulation.
[0022] As preferred, the flushing cavity is used for injecting anti-infective medicine or flushing with flushing liquid.
[0023] Compared with the prior art, the utility model has the advantages that:
[0024] 1. The negative pressure drainage tube structure of the utility model realizes the integration of drainage, flushing and medicine injection functions through the innovative four-way joint design, greatly improves the functionality and practicality of the product. The first joint of the four-way joint is connected with the drainage tube, the second joint is connected with the negative pressure drainage bag, and the third and fourth joints are respectively connected with the anti-backflow valves, forming a multifunctional drainage system. The drainage groove and the drainage channel inside the drainage tube are designed in combination with the use of the negative pressure drainage bag, which can realize continuous, stable and efficient drainage effect. Especially, multiple injection holes and injection grooves are arranged on the drainage section, which are communicated with the drainage channel, not only can perform conventional drainage, but also can uniformly inject medicine or flushing liquid into the lesion, realize local medicine injection or flushing function, and improve the treatment effect and efficiency.
[0025] 2. The negative pressure drainage tube structure of the utility model makes great improvement in solving the problem that the traditional drainage tube is easy to be blocked. The flushing cavity and the drainage cavity are arranged in parallel in the first joint of the four-way joint and are respectively communicated with the third and fourth joints, forming a double-channel system. This design allows flushing liquid or physiological saline to be injected into the drainage cavity through the anti-backflow valve during the drainage process, effectively removing the blockage caused by blood clots or impurities. Further, a guide wire can be placed in the drainage cavity, for dredging more serious blockage phenomenon caused by impurity accumulation, reducing the frequency of replacing the drainage tube due to blockage, and reducing the pain and medical cost of the patient. At the same time, the design of the flushing cavity can also be used for injecting anti-infective medicine or performing conventional flushing, effectively preventing and controlling the infection of the drainage site. In addition, the negative pressure drainage bag adopts an innovative upper and lower skeleton and spring structure, which can generate negative pressure through simple buckle operation, without the need for external negative pressure equipment, greatly improving the convenience and safety of use. BRIEF DESCRIPTION OF DRAWINGS
[0026] Figure 1 It is a structural schematic view of the utility model;
[0027] Figure 2 It is a local structure schematic view of the utility model;
[0028] Figure 3 It is a structure schematic view of the negative pressure drainage bag when negative pressure exists;
[0029] Figure 4 It is a four-way joint structure schematic view of the utility model;
[0030] Figure 5 It is a negative pressure drainage bag internal structure schematic view of the utility model;
[0031] Figure 6 It is a drainage tube structure schematic view of the utility model Figure 1 ;
[0032] Figure 7 It is a drainage tube structure schematic view of the utility model Figure 2 ;
[0033] Figure 8 It is a Figure 6 enlarged structure schematic view of A place in the utility model;
[0034] Figure 9 It is a Figure 6 enlarged structure schematic view of B place in the utility model;
[0035] Figure 10 It is a drainage section different shape cross section structure schematic view of the utility model.
[0036] Mark explanation in the drawing:
[0037] 1, drainage tube; 11, drainage section; 111, drainage groove; 112, drainage passage; 113, injection hole; 114, injection groove; 121, passage A; 122, passage B; 12, output section; 2, four-way joint; 2-1, first joint; 2-2, second joint; 2-3, third joint; 2-4, fourth joint; 21, flushing cavity; 22, drainage cavity; 23, negative pressure end; 25, anti-reflux valve; 3, negative pressure drainage bag; 31, bag body; 32, upper framework; 33, lower framework; 34, spring; 35, upper buckle; 36, lower buckle; 37, discharge interface; 38, discharge switch; 39, discharge port. DETAILED DESCRIPTION
[0038] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments, and all other embodiments obtained by those skilled in the art without creative labor on the basis of the embodiments in the utility model belong to the protection scope of the utility model.
[0039] Embodiments:
[0040] Please refer to Figures 1-9 A negative pressure drainage tube structure, including four-way joint 2, four-way joint 2 includes first joint 2-1, second joint 2-2, third joint 2-3 and fourth joint 2-4, the first joint 2-1 of four-way joint 2 is communicated with drainage tube 1, the second joint 2-2 of four-way joint 2 is communicated with negative pressure drainage bag 3, the third joint 2-3 and fourth joint 2-4 of four-way joint 2 are all connected with anti-reflux valve 25;With four-way joint 2 design, the functions such as drainage, flushing, dosing are integrated together, which greatly improves the functionality and practicality of the drainage tube.
[0041] Drainage tube 1 includes integrally formed drainage section 11 and output section 12;
[0042] Drainage section 11 is used for the drainage of wound liquid, and drainage grooves 111 are uniformly arranged on the outside of the drainage section 11, and drainage channels 112 are arranged inside, so that the liquid is transported to the output section 12 through the drainage grooves 111 and the drainage channels 112;Through the design of the drainage grooves 111 and the drainage channels 112, combined with the use of the negative pressure drainage bag 3, a continuous, stable and efficient drainage effect can be achieved, which is beneficial to the healing and recovery of the patient's wound.
[0043] The output section 12 includes a channel A 121 connected with the drainage channel 112 and a channel B 122 connected with a plurality of drainage grooves 111.
[0044] The first joint 2-1 of the four-way joint 2 is provided with a flushing cavity 21 and a drainage cavity 22 in parallel, one end of the flushing cavity 21 is communicated with the third joint 2-3, one end of the drainage cavity 22 is communicated with the fourth joint 2-4, the other end of the flushing cavity 21 and the drainage cavity 22 is communicated with the output section 12 of the drainage tube 1, wherein the flushing cavity 21 is communicated with the channel A 121, and the drainage cavity 22 is communicated with the channel B 122;The drainage cavity 22 is injected with flushing liquid or physiological saline through the anti-reflux valve 25, for removing the blockage of the drainage cavity 22 caused by blood clots or impurities.
[0045] A guide wire can be placed in the drainage cavity 22 for unblocking the blockage caused by impurities accumulation.
[0046] The drainage cavity 22 can be injected with flushing liquid or normal saline through the anti-backflow valve 25, and a guide wire can also be placed therein to dredge the blockage caused by impurities, providing another option for solving more serious blockage problems.
[0047] In order to further improve the functionality of the drainage tube, the drainage grooves 111 and the drainage channels 112 of the drainage section 11 are uniformly distributed or customized according to the needs of the lesion. A plurality of injection holes 113 and injection grooves 114 are formed on the drainage section 11, and the injection holes 113 and the injection grooves 114 are in communication with the drainage channels 112, for uniformly injecting drugs or flushing liquid into the lesion; so that the drainage tube can not only drain, but also locally administer or flush, thereby improving the treatment effect and efficiency;
[0048] The flushing cavity 21 can also be used to inject anti-infective drugs or flush with flushing liquid;
[0049] The second joint 2-2 of the four-way joint 2 is provided with a negative pressure end 23, and the negative pressure end 23 is connected with the negative pressure drainage bag 3 through a pipe.
[0050] Specifically, the anti-backflow valve 25 on the third joint 2-3 is installed on the flushing cavity 21, and the anti-backflow valve 25 on the fourth joint 2-4 is installed on the drainage cavity 22. In the use process, the drainage cavity 22 may be blocked sometimes. In order to solve this problem, the application injects flushing liquid or normal saline into the drainage cavity 22 through the anti-backflow valve 25, so as to remove the blockage of the drainage cavity 22 caused by blood clots or impurities, thereby improving the service life and effect of the drainage tube.
[0051] In the embodiment, the negative pressure drainage bag 3 includes a bag body 31, an upper frame 32, a lower frame 33, a spring 34, an upper buckle 35 and a lower buckle 36, the upper frame 32 and the lower frame 33 are respectively arranged on the two sides of the inside of the bag body 31, the upper buckle 35 is arranged on the upper frame 32, the lower buckle 36 is arranged on the lower frame 33, the upper buckle 35 and the lower buckle 36 are used in cooperation with each other, the spring 34 is arranged between the upper frame 32 and the lower frame 33, the upper frame 32 and the lower frame 33 are fixed and released through the upper buckle 35 and the lower buckle 36, in use, the upper buckle 35 and the lower buckle 36 are buckled tightly, the upper buckle 35 and the lower buckle 36 are manually pushed to make the upper buckle 35 and the lower buckle 36 disengage, after the upper buckle 35 and the lower buckle 36 are released, the upper frame 32 and the lower frame 33 form negative pressure under the action of the spring 34.
[0052] One end of the bag body 31 is communicatively provided with a discharge interface 37, the discharge interface 37 is provided with a discharge switch 38, and one side of the discharge switch 38 is provided with a discharge port 39.
[0053] The upper and lower skeletons and the spring 34 structure are adopted, the bag body 31 can generate negative pressure through the upper buckle 35 and the lower buckle 36 operation, the operation is simple, no external negative pressure equipment is needed, and the use convenience is improved.
[0054] In the application, the cross-section structure of the drainage section 11 also comprises Figure 10 The structure is shown.
[0055] The use steps of the negative pressure drainage tube structure are as follows:
[0056] The drainage section 11 of the drainage tube 1 is placed into a wound or a body cavity needing drainage;
[0057] The drainage tube 1 is connected with the negative pressure drainage bag 3 through the four-way joint 2;
[0058] The upper buckle 35 and the lower buckle 36 of the negative pressure drainage bag 3 are released, and the upper skeleton 32 and the lower skeleton 33 form negative pressure under the action of the spring 34;
[0059] Under the action of negative pressure, the liquid in the wound or the body cavity is sucked into the drainage tube 1 through the drainage groove 111 and the drainage channel 112, then enters the drainage cavity 22 of the four-way joint 2 through the channel A 121 and the channel B 122 of the output section 12, and finally is collected into the negative pressure drainage bag 3;
[0060] If local administration or flushing is needed, the medicine or the flushing liquid can be injected into the flushing cavity 21 through the third joint 2-3, and the medicine or the flushing liquid is uniformly delivered to the lesion through the channel A 121, the drainage channel 112, the injection hole 113 and the injection groove 114;
[0061] If the drainage cavity 22 is blocked, the flushing liquid or the physiological saline can be injected into the drainage cavity 22 through the fourth joint 2-4 to dredge, or a guide wire is placed to dredge;
[0062] When the liquid in the negative pressure drainage bag 3 reaches a certain amount, the liquid can be discharged through the discharge interface 37 and the discharge switch 38.
[0063] The improved negative pressure drainage tube has the characteristics of simple structure, convenient operation and multiple functions, can not only effectively drain, but also can locally administer and flush, simultaneously solves the problem that the traditional drainage tube is easy to block, and greatly improves the effect and efficiency of clinical use.
[0064] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the improved conception of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.
Claims
1. A negative pressure drainage tube structure, comprising a four-way joint (2), wherein the four-way joint (2) comprises a first joint (2-1), a second joint (2-2), a third joint (2-3) and a fourth joint (2-4), characterized in that: The first connector (2-1) of the four-way connector (2) is connected to a drainage tube (1), the second connector (2-2) of the four-way connector (2) is connected to a negative pressure drainage bag (3), and the third connector (2-3) and the fourth connector (2-4) of the four-way connector (2) are both connected to an anti-backflow valve (25); The drainage tube (1) comprises an integrally formed drainage section (11) and an output section (12); The drainage section (11) is used for draining liquid from the wound. The drainage grooves (111) are evenly arranged on the outside of the drainage section (11), and a drainage channel (112) is arranged inside. The liquid is transported to the output section (12) through the drainage grooves (111) and the drainage channel (112); The output section (12) includes a channel A (121) connected to the drainage channel (112) and a channel B (122) connected to the plurality of drainage grooves (111); A flushing cavity (21) and a drainage cavity (22) are arranged in parallel in the first connector (2-1) of the four-way connector (2), one end of the flushing cavity (21) is communicated with the third connector (2-3), one end of the drainage cavity (22) is communicated with the fourth connector (2-4), and the other ends of the flushing cavity (21) and the drainage cavity (22) are communicated with the output section (12) of the drainage tube (1), wherein the flushing cavity (21) is communicated with the channel A (121), and the drainage cavity (22) is communicated with the channel B (122); A negative pressure end (23) is provided on the second connector (2-2) of the four-way connector (2), and the negative pressure end (23) is connected to the negative pressure drainage bag (3) through a tube.
2. The negative pressure drainage tube structure according to claim 1, characterized in that: The anti-backflow valve (25) on the third connector (2-3) is installed on the flushing chamber (21), and the anti-backflow valve (25) on the fourth connector (2-4) is installed on the drainage chamber (22).
3. The negative pressure drainage tube structure according to claim 1, characterized in that: The negative pressure drainage bag (3) comprises a bag body (31), an upper frame (32), a lower frame (33), a spring (34), an upper buckle (35) and a lower buckle (36). The upper frame (32) and the lower frame (33) are respectively arranged on both sides of the interior of the bag body (31). The upper buckle (35) is arranged on the upper frame (32), and the lower buckle (36) is arranged on the lower frame (33). The upper buckle (35) and the lower buckle (36) cooperate with each other. The spring (34) is arranged on the The upper frame (32) and the lower frame (33) are fixed and released by the upper buckle (35) and the lower buckle (36). When in use, the upper buckle (35) and the lower buckle (36) are fastened, and the upper buckle (35) and the lower buckle (36) are manually pushed to disengage the upper buckle (35) and the lower buckle (36). After the upper buckle (35) and the lower buckle (36) are released, the upper frame (32) and the lower frame (33) form a negative pressure under the action of the spring (34).
4. The negative pressure drainage tube structure according to claim 3, characterized in that: One end of the bag body (31) is connected to a discharge interface (37), a discharge switch (38) is provided on the discharge interface (37), and a discharge port (39) is provided on one side of the discharge switch (38).
5. The negative pressure drainage tube structure according to claim 1, characterized in that: The drainage grooves (111) and the drainage channels (112) of the drainage section (11) are distributed in a uniform manner or in a customized manner according to the needs of the lesion.
6. The negative pressure drainage tube structure according to claim 5, characterized in that: The drainage section (11) is provided with a plurality of injection holes (113) and an injection groove (114), and the injection holes (113) and the injection groove (114) are connected to the drainage channel (112) for uniformly injecting medicine or flushing fluid into the lesion.
7. The negative pressure drainage tube structure according to claim 1, characterized in that: The drainage cavity (22) is injected with flushing fluid or physiological saline through the anti-backflow valve (25) to clear blockage of the drainage cavity (22) caused by blood clots or impurities.
8. The negative pressure drainage tube structure according to claim 1, characterized in that: A guide wire can be placed in the drainage cavity (22) to clear blockage caused by accumulation of impurities.
9. The negative pressure drainage tube structure according to claim 1, characterized in that: The flushing cavity (21) is used for injecting anti-infective drugs or flushing with flushing fluid.