Negative pressure drainage system
By using suction cups and spiral fixation of the catheter in the negative pressure drainage system, the problem of dirt accumulation at the catheter connection is solved, ensuring smooth flow of pus and achieving the function of drug disinfection, thus improving the hygiene and ease of operation of the device.
Patent Information
- Application Number
- CN202422929560.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-11-29
AI Technical Summary
In existing negative pressure drainage systems, the connection between the medical catheter and the three-way connector is prone to accumulating dirt, leading to hygiene and health problems.
The first cannula at the top of the suction cup is inserted into the slot of the three-way connecting tube and fixed by the first connecting post with a screw to ensure that the cannula and the inner tube have the same diameter and to avoid the accumulation of pus; at the same time, an infusion tube and a control valve are set to realize the delivery and disinfection of the medicine.
It effectively prevents pus from accumulating at the connection point, keeps the device hygienic, facilitates disinfection with medication, and avoids potential health risks.
Smart Images
Figure CN223716103U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to negative pressure drainage device field, concretely is a negative pressure drainage system. BACKGROUND
[0002] The negative pressure drainage system is a kind of medical equipment, mainly through specific device in closed wound surface environment generates and maintains negative pressure state, it can efficiently drain wound exudate, pus etc., keeps clean, reduces the risk of infection.
[0003] The negative pressure drainage system is mainly composed of negative pressure source, drainage tube, wound dressing and collecting device, negative pressure is transmitted to wound dressing by drainage tube, and sustained negative pressure state is formed in wound, under the action of negative pressure, exudate, necrotic tissue, bacteria etc. in wound are sucked into drainage tube, so as to keep clean, and the negative pressure formed in wound is beneficial to the repair and regeneration of wound tissue.
[0004] The existing negative pressure drainage system needs to be connected by multiple medical catheters, in medical clinic, medical catheter is usually sleeved on the connecting port of three-way connecting pipe, since the caliber of medical catheter is greater than the inner wall caliber of three-way connecting pipe, when pus flows through the connecting portion of medical catheter and three-way connecting pipe, it will be accumulated in the port of three-way connecting pipe. UTILITY MODEL CONTENT
[0005] Based on this, the utility model aims at providing a kind of negative pressure drainage system to solve the technical problem that the internal connecting portion of the catheter of traditional negative pressure drainage device is easy to accumulate dirt.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of negative pressure drainage system, including sucking disc, the top of the sucking disc is fixed with first connecting column, and the top of connecting column is connected with first cannula, the outer wall of first cannula is equipped with three-way connecting pipe, and the end of three-way connecting pipe is equipped with clamping slot, the inner wall of clamping slot is provided with recess, the inside of three-way connecting pipe is provided with inner tube, the end of three-way connecting pipe is equipped with infusion tube, one side of three-way connecting pipe is provided with drainage tube.
[0007] By adopting the technical scheme, the problem that dirt is easily accumulated at the internal connection of the catheter of the traditional negative pressure drainage device is solved, the first insertion tube at the top of the suction cup is inserted into the clamping groove of the three-way connecting pipe, the first connecting column at the top end of the suction cup is screw-fixed in the groove of the three-way connecting pipe, the first insertion tube is aligned with the inner tube port in the three-way connecting pipe, the pus sucked by the suction cup is guided into the drainage tube through the three-way connecting pipe, when the pus is drained from the suction cup to the inside of the three-way connecting pipe, since the first insertion tube at the top end of the suction cup is consistent with the inner tube port in the three-way connecting pipe, dirt is not accumulated when the pus flows through the connection between the suction cup and the three-way connecting pipe, the pus is prevented from being accumulated at the connection between the suction cup and the three-way connecting pipe for a long time, and the health problem caused by the inside of the catheter of the device is avoided.
[0008] The utility model further sets up, the end of infusion pipe installs infusion port, and infusion port can deliver solution to the inside of infusion pipe.
[0009] By adopting the technical scheme, the infusion port at the end of the infusion pipe seals the inside of the infusion pipe, prevents external air from entering the inside of the infusion pipe, and in addition, medical staff can insert a needle tube into the infusion port, and deliver solution to the inside of the infusion pipe through the needle tube.
[0010] The utility model further sets up, the end of infusion pipe is fixed with second connecting column, and the outer wall of second connecting column is provided with screw threads, and second connecting column is connected with groove screw thread.
[0011] By adopting the technical scheme, when the second insertion tube is inserted into the clamping groove of the three-way connecting pipe, the infusion pipe is connected and fixed with the three-way connecting pipe through the screw thread connection between the second connecting column and the groove.
[0012] The utility model further sets up, the top of infusion pipe is provided with second insertion tube, and the inner wall diameter of second insertion tube is same with the inner wall diameter of inner tube.
[0013] By adopting the technical scheme, when the second insertion tube is inserted into the clamping groove in the three-way connecting pipe, the second insertion tube is aligned with the inner tube port, so that pus is not accumulated at the connection between the three-way connecting pipe and the inner wall of the infusion pipe.
[0014] The utility model further sets up, the outer wall of infusion pipe is installed with first control valve, and first control valve can control the flow of liquid in the inside of infusion pipe.
[0015] By adopting the technical scheme, when medical staff needs to disinfect the wound of a patient with liquid medicine, the first control valve is opened, the liquid medicine in the infusion pipe can be delivered to the inside of the suction cup through the three-way connecting pipe, so that the liquid medicine can contact the wound for disinfection.
[0016] The outer wall of the drainage tube is provided with a second control valve, and the second control valve can control the flow of substances in the drainage tube.
[0017] By adopting the above technical scheme, when the patient's wound is subjected to disinfection treatment of the liquid medicine, the second control valve can prevent the solution from entering the drainage tube, so that the liquid medicine flows into the suction cup.
[0018] The end of the inner tube is provided with a sealing ring, and the sealing ring is made of silica gel.
[0019] By adopting the above technical scheme, when the second cannula contacts the inner tube port, the sealing ring seals the connection gap between the second cannula and the inner tube, preventing the solution from penetrating into the groove through the gap.
[0020] In summary, the utility model mainly has the following beneficial effects:
[0021] 1、The utility model discloses a suction cup, a first cannula, a clamping groove, an inner tube and a tee connection pipe are arranged, solve the problem that the inside connection of the traditional negative pressure drainage device is easy to hide dirt, the first cannula of the top of suction cup is inserted into the clamping groove of tee connection pipe, and the first connecting column at the top end of suction cup is screwed in the recess of tee connection pipe, so that the first cannula is aligned with the inner tube port in tee connection pipe, and the pus sucked by suction cup is guided into the drainage tube through tee connection pipe, when the pus is guided from suction cup to the inside of tee connection pipe, because the first cannula at the top end of suction cup is consistent with the inner tube diameter in tee connection pipe, so that the pus flowing through the connecting portion of suction cup and tee connection pipe does not hide dirt, prevent pus from accumulating in the connecting portion of suction cup and tee connection pipe for a long time, avoid the health problem caused by the inside of the device conduit.
[0022] 2、The utility model discloses a first control valve, a second control valve, a transfusion tube and a transfusion port are arranged, when the inside of suction cup needs to be transfused, the second control valve is closed, and the first control valve is opened, the needle tube is inserted into the transfusion port, and the solution in the transfusion port is conveyed to the inside of suction cup through the transfusion tube and tee connection pipe, which is convenient for medical staff to disinfect the patient's disease with liquid medicine. ACCURATE DRAWINGS
[0023] Figure 1 It is the whole schematic diagram of the device of the utility model;
[0024] Figure 2 It is the whole structure diagram of the suction cup of the utility model;
[0025] Figure 3 It is the whole structure diagram of the transfusion tube of the utility model;
[0026] Figure 4The utility model discloses a three -way connecting pipe internal connection sectional view.
[0027] In the drawing: 1, sucking disc;11, first connecting column;12, first intubation;2, three -way connecting pipe;21, inner tube;22, card slot;23, recess;3, infusion pipe;31, second connecting column;32, second intubation;33, first control valve;4, infusion port;5, drainage tube;51, second control valve;6, sealing ring. DETAILED DESCRIPTION
[0028] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are used only for explaining the utility model and cannot be understood as limiting the utility model.
[0029] The embodiments will be described below according to the overall structure of the utility model.
[0030] A kind of negative pressure drainage system, as shown in Fig. Figure 1 - Figure 4 The top of sucking disc 1 is fixed with first connecting column 11, and the top of connecting column 11 is connected with first intubation 12, the outer wall of first intubation 12 is sleeved with three -way connecting pipe 2, and the end of three -way connecting pipe 2 is provided with card slot 22, the inner wall of card slot 22 is provided with recess 23, the inside of three -way connecting pipe 2 is provided with inner tube 21, the end of three -way connecting pipe 2 is installed with infusion pipe 3, one side of three -way connecting pipe 2 is provided with drainage tube 5, solve the problem that the inside of the conduit of traditional negative pressure drainage device is easy to hide dirt, first intubation 12 of the top of sucking disc 1 is inserted into the card slot 22 of three -way connecting pipe 2, first connecting column 11 of the top of sucking disc 1 is screwed in the recess 23 of three -way connecting pipe 2, so that first intubation 12 and the inner tube 21 port in three -way connecting pipe 2 are aligned, the pus sucked by sucking disc 1 is guided into drainage tube 5 through three -way connecting pipe 2, when pus is drained from sucking disc 1 to the inside of three -way connecting pipe 2, because the caliber of first intubation 12 of the top of sucking disc 1 is consistent with the inner tube 21 in three -way connecting pipe 2, so that pus flowing through the connecting portion of sucking disc 1 and three -way connecting pipe 2 will not appear dirt hiding phenomenon, prevent pus from accumulating for a long time at the connecting portion of sucking disc 1 and three -way connecting pipe 2, avoid sanitary and health problems caused by the inside of the conduit of the device.
[0031] Please refer to Figure 3 The end of infusion pipe 3 is installed with infusion port 4, infusion port 4 can deliver solution to the inside of infusion pipe 3, infusion port 4 at the end of infusion pipe 3 seals the inside of infusion pipe 3, to prevent external air from entering the inside of infusion pipe 3, in addition, medical staff can insert needle tube into infusion port 4, and deliver solution to the inside of infusion pipe 3 through needle tube.
[0032] Please refer toFigure 3 And Figure 4 The end of the infusion tube 3 is fixed with a second connecting column 31, and the outer wall of the second connecting column 31 is provided with threads, and the second connecting column 31 is screwed with the groove 23, when the second cannula 32 is inserted into the clamping groove 22 of the three-way connecting pipe 2, the infusion tube 3 is rotated, and the infusion tube 3 is connected and fixed with the three-way connecting pipe 2 through the threaded connection between the second connecting column 31 and the groove 23.
[0033] Please refer to Figure 3 And Figure 4 The top of the infusion tube 3 is provided with a second cannula 32, the inner wall diameter of the second cannula 32 is the same as the inner wall diameter of the inner tube 21, when the second cannula 32 is inserted into the clamping groove 22 inside the three-way connecting pipe 2, the second cannula 32 is ported with the inner tube 21, so that the three-way connecting pipe 2 and the inner wall connection of the infusion tube 3 will not accumulate pus.
[0034] Please refer to Figure 3 The outer wall of the infusion tube 3 is provided with a first control valve 33, which can control the flow of liquid in the infusion tube 3, when the medical staff needs to disinfect the wound of the patient, open the first control valve 33, the liquid in the infusion tube 3 can be transported to the inside of the suction cup 1 through the three-way connecting pipe 2, so that the liquid can contact the wound for disinfection treatment.
[0035] Please refer to Figure 1 The outer wall of the drainage tube 5 is provided with a second control valve 51, which can control the flow of substances in the drainage tube 5, when the wound of the patient is disinfected with liquid, the second control valve 51 can prevent the solution from entering the drainage tube 5, so that the liquid flows into the suction cup 1.
[0036] Please refer to Figure 4 The end of the inner tube 21 is provided with a sealing ring 6, and the sealing ring 6 is made of silica gel, when the second cannula 32 contacts the port of the inner tube 21, the sealing ring 6 seals the connection gap between the second cannula 32 and the inner tube 21, preventing the solution from penetrating into the groove 23 through the gap.
[0037] The working principle of the utility model is as follows: firstly, the first insertion pipe 12 on the top of the suction cup 1 is inserted into the clamping groove 22 of the three-way connecting pipe 3, the suction cup 1 is rotated, the first connecting column 11 on the top end of the suction cup 1 is screw-fixed in the recess 23 of the three-way connecting pipe 3, the suction cup 1 is connected and fixed with the three-way connecting pipe 2, meanwhile, the first insertion pipe 12 is in port alignment with the inner pipe 21 in the three-way connecting pipe 2, then the second insertion pipe 32 of the infusion pipe 3 is inserted into the clamping groove 22 of the three-way connecting pipe 2, the infusion pipe 3 is rotated and fixedly connected on the three-way connecting pipe 2, subsequently, the insertion pipe 32 on the end of the drainage pipe 5 is inserted into the clamping groove 22 of the three-way connecting pipe 2, the drainage pipe 5 is rotated and screw-connected with the three-way connecting pipe 2 through the second connecting column 31, the second control valve 51 is opened, the negative pressure source carries out negative pressure treatment on the inside of the suction cup 1 through the drainage pipe 5, the suction cup 1 carries out negative pressure suction on the pus, the sucked pus is guided into the drainage pipe 5 through the three-way connecting pipe 2, when the pus is drained from the suction cup 1 to the inside of the three-way connecting pipe 2, since the first insertion pipe 12 on the top end of the suction cup 1 is consistent with the caliber of the inner pipe 21 in the three-way connecting pipe 2, the pus flowing through the connecting part of the suction cup 1 and the three-way connecting pipe 2 does not appear dirt hiding phenomenon, when it is needed to carry out infusion on the inside of the suction cup 1, the second control valve is closed, subsequently, the first control valve 33 is opened, the needle pipe is inserted into the infusion port 4, the solution guided into the infusion port 4 is conveyed to the inside of the suction cup 1 through the infusion pipe 3 and the three-way connecting pipe 2.
[0038] Although the embodiments of the utility model have been shown and described, the specific embodiments are only the explanation of the utility model, and are not the limitation of the utility model, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, the person skilled in the art can make the modification, replacement and change without creative contribution after reading the specification, but as long as in the principle and the tenet of the utility model, the embodiments can be needed, but as long as in the scope of the claims of the utility model, it is protected by the patent law.
Claims
1. A negative pressure wound drainage system comprising a suction disc (1), characterized in that: The top of the suction cup (1) is fixed with a first connecting column (11), and the top of the connecting column (11) is connected with a first cannula (12), the outer wall of the first cannula (12) is sleeved with a three-way connecting pipe (2), the end of the three-way connecting pipe (2) is provided with a clamping groove (22), the inner wall of the clamping groove (22) is provided with a groove (23), the inside of the three-way connecting pipe (2) is provided with an inner tube (21), the end of the three-way connecting pipe (2) is mounted with an infusion tube (3), one side of the three-way connecting pipe (2) is provided with a drainage tube (5).
2. The negative pressure wound drainage system of claim 1, wherein: The end of the infusion tube (3) is mounted with an infusion port (4), which can deliver solution to the inside of the infusion tube (3).
3. The negative pressure wound drainage system of claim 1, wherein: The end of the infusion tube (3) is fixed with a second connecting column (31), and the outer wall of the second connecting column (31) is provided with a thread, and the second connecting column (31) is threadedly connected with the groove (23).
4. The negative pressure wound drainage system of claim 1, wherein: The top of the infusion tube (3) is provided with a second cannula (32), and the inner wall diameter of the second cannula (32) is the same as that of the inner tube (21).
5. The negative pressure wound drainage system of claim 1, wherein: The outer wall of the infusion tube (3) is mounted with a first control valve (33), which can control the flow of liquid in the infusion tube (3).
6. The negative pressure wound drainage system of claim 1, wherein: The outer wall of the drainage tube (5) is provided with a second control valve (51), which can control the flow of substances in the drainage tube (5).
7. The negative pressure wound drainage system of claim 1, wherein: The end of the inner tube (21) is provided with a sealing ring (6), and the sealing ring (6) is made of silica gel.