Disposable negative pressure flushing drainage tube

Abstract

The utility model discloses a disposable negative pressure flushing drainage tube, which comprises a main drainage tube and a blunt drainage tube which is used for preventing internal tissues of a body from being damaged due to insertion and extraction, and the main drainage tube is connected with the blunt drainage tube. A negative pressure drainage tube communicated with an external negative pressure drainage bottle, a flushing drainage tube connected with external flushing fluid and a breather tube are arranged in the main drainage tube in a sleeved mode. The main drainage tube, the blunt drainage tube, the breather tube and the negative pressure drainage tube are communicated with one another, a plurality of spiral drainage grooves for negative pressure drainage are formed in the blunt drainage tube, and the flushing drainage tube is communicated with the blunt drainage tube; the drainage tube has the advantages that wound tissue secretions are discharged, meanwhile, wound tissue is flushed, the drainage tube is located at the position of the wound tissue for a long time, adverse effects on the wound tissue cannot be caused, and meanwhile in the process of inserting and pulling the drainage tube, internal body tissue of a patient cannot be damaged; and the blocked part of the drainage tube can be distinguished by judging the states of the ventilation tube and the drip cup, so that the treatment is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to a disposable negative pressure flushing drainage tube. Background Art

[0002] At present, the main research areas of hepatobiliary surgery are hepatocellular carcinoma, hepatobiliary stones, post-hepatitis cirrhosis, acute liver failure caused by severe hepatitis, and other major epidemic diseases that seriously threaten the health of the Chinese people. Generally, patients will experience bile leakage, pancreatic leakage, intestinal leakage, abdominal infection, etc. after undergoing hepatobiliary surgery. Drainage equipment is needed to discharge the accumulated fluid in the wound tissue in time to facilitate the patient's recovery.

[0003] Existing patent, authorization announcement number: CN 213031624 U proposes a disposable negative pressure flushable drainage tube, wherein a spiral tube core with a triangular cross-section is arranged in the guide tube, which divides the inside of the guide tube into three spiral drainage channels, and three spirally extending drainage slits are arranged on the tube walls corresponding to the guide tube and the three drainage channels, and a spirally extending flushing tube A is arranged at the contact point between the end face of one side wall of the tube core and the inner side wall of the guide tube; the lower end of the middle drainage tube body is matched and connected with the upper end of the guide tube, and a vertical flushing tube B is arranged on the inner tube wall thereof and connected with the flushing tube A, the upper end of the middle drainage tube body is connected with a double-channel joint, and the lower end of the upper drainage tube body is connected with the flushing joint, and a negative pressure joint is arranged in the middle of the side wall of the upper drainage tube body; although the spiral shadow flow channel and the drainage slit can prevent the guide tube from being blocked, the entire guide tube is in a closed state, and the spiral drainage tube slit of the guide tube is easy to adsorb other tissues, thereby being blocked, and if the entire guide tube adsorbs wound tissue for a long time, ischemia and necrosis of the adsorbed wound tissue may be caused.

[0004] Therefore, it is necessary to design a disposable negative pressure flushing drainage tube to avoid the occurrence of the above situation. Utility Model Content

[0005] The technical problem to be solved by the utility model is to design a disposable negative pressure flushing drainage tube to avoid ischemia and necrosis of adsorbed tissue caused by long-term adsorption of the drainage tube and to avoid blockage of the drainage tube.

[0006] The utility model can discharge wound tissue secretions and rinse the wound tissue at the same time, and the drainage tube being located at the wound tissue for a long time will not cause adverse effects on the wound tissue. At the same time, the patient's internal body tissue will not be damaged during the process of inserting and removing the drainage tube. The utility model can also judge the status of the ventilation tube and the drip pot to identify which part of the drainage tube is blocked, thereby facilitating treatment.

[0007] The technical solutions adopted are:

[0008] A disposable negative pressure flushing drainage tube, the drainage tube comprising a main drainage tube and a blunt-tipped drainage tube for preventing damage to internal body tissues caused by plugging and unplugging, the main drainage tube being connected to the blunt-tipped drainage tube, the main drainage tube being sleeved with a negative pressure drainage tube connected to an external negative pressure drainage bottle, a flushing drainage tube connected to an external flushing liquid, and a venting tube; the main drainage tube, the blunt-tipped drainage tube, the venting tube, and the negative pressure drainage tube are interconnected, the blunt-tipped drainage tube is provided with a plurality of spiral drainage grooves for negative pressure drainage, and the flushing drainage tube is connected to the blunt-tipped drainage tube.

[0009] The utility model interconnects the main drainage tube, the front drainage tube, the ventilation tube and the negative pressure drainage tube, which can avoid the drainage tube adsorbing the wound tissue for a long time and causing ischemic necrosis of the wound tissue. The wound tissue can be flushed and cleaned through the cooperation of the negative pressure drainage tube and the flushing drainage tube.

[0010] In a further embodiment of the technical solution of the utility model, a detachable air filter is provided at one end of the ventilation tube, which is used to filter tiny particles in the air to reduce the risk of infection for patients.

[0011] In a further optimization of the technical solution of the utility model, a drip pot for conveniently checking the dripping rate is provided on the flushing drainage tube; it is used to intuitively observe the flow of the flushing liquid.

[0012] In a further preferred embodiment of the technical solution of the utility model, the number of the spiral drainage grooves is at least three, so as to reduce the blockage of the drainage tube and thus achieve better drainage.

[0013] According to a further optimization of the technical solution of the utility model, a plurality of liquid suction ports are provided on the blunt-tipped drainage tube, and the plurality of liquid suction ports are respectively connected to a plurality of spiral drainage grooves. A liquid outlet is also provided on the blunt-tipped drainage tube, and the liquid outlet is connected to the flushing liquid drainage tube; the liquid outlet is used to discharge waste liquid while the drainage tube cleans the wound.

[0014] In a further optimization of the technical solution of the utility model, the ventilation tube is connected in parallel with the flushing drainage tube and the length of the ventilation tube is longer than that of the flushing drainage tube; this is used to avoid blockage of the main drainage tube, and at the same time, whether the main drainage tube is currently flowing is judged by whether there is a water column in the ventilation tube to avoid overflow of the flushing liquid.

[0015] In a further preferred embodiment of the technical solution of the utility model, the main drainage tube and the blunt-tip drainage tube are connected via a joint, thereby facilitating disassembly, replacement or dredging.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. The utility model can effectively avoid the problem of drainage tube blockage by arranging an air filter on the ventilation tube and prevent the drainage tube from being used for too long, resulting in ischemia and necrosis of wound tissue. The air filter can filter tiny particles in the air, thereby reducing the risk of infection for patients.

[0018] 2. The blunt tip of the blunt-tipped drainage tube of the utility model can effectively avoid damage to the patient's internal tissues during the insertion and removal process.

[0019] 3. During the use of the utility model, if the negative pressure drainage tube is blocked, it can be judged by observing whether there is a water column in the ventilation tube, thereby avoiding overflow of the flushing liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of this embodiment;

[0021] Figure 2 Schematic diagram of the internal structure of this embodiment;

[0022] Figure 3 It is an axonometric diagram of the overall structure of this embodiment;

[0023] Explanation of the accompanying drawings: 1-main drainage tube, 2-blunt drainage tube, 3-negative pressure drainage tube, 4-flushing liquid drainage tube, 5-ventilation tube, 6-drip pot, 7-air filter, 8-connector, 21-liquid outlet, 22-spiral drainage groove. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solutions and advantages of the present invention more clear, the following Figure 1-3 And embodiments, the utility model is further described in detail. Example 1

[0025] like Figure 1-3 As shown, a disposable negative pressure flushing liquid drainage tube of this embodiment includes a main drainage tube 1, a blunt drainage tube 2, a negative pressure drainage tube 3, a ventilation tube 5 and a flushing liquid drainage tube 4.

[0026] like Figure 1 and 3 As shown, in this embodiment, the blunt-tipped drainage tube 2 has a blunt tip at one end, and a liquid outlet 21 is provided at the blunt-tipped end. The blunt-tipped drainage tube 2 is fixed to the front end of the main drainage tube 1, and a joint 8 is fixed to the end of the blunt-tipped drainage tube 2 that is not a blunt tip. The blunt-tipped drainage tube 2 is connected to the main drainage tube 1 via the joint 8, thereby achieving communication between the blunt-tipped drainage tube 2 and the main drainage tube 1, and facilitating replacement or unblocking of the main drainage tube 1 or the blunt-tipped drainage tube 2 when it is blocked.

[0027] like Figure 3As shown, in this embodiment, three suction ports are provided on the blunt head of the blunt-tipped drainage tube 2, and three spiral drainage grooves 22 are opened on the blunt-tipped drainage tube 2 for facilitating drainage. The three spiral drainage grooves 22 are respectively connected to the three suction ports, and the depth of the spiral drainage grooves 22 is sufficient to allow the spiral drainage grooves 22 to be connected to the main drainage tube 1, so as to facilitate the discharge of secretions of the wound tissue or the flushing fluid that has flushed the wound tissue into the main drainage tube 1.

[0028] The number of the spiral drainage grooves 22 is at least 3. The more the number of the spiral drainage grooves 22 is, the less likely the drainage tube is to be blocked and the better the drainage effect is.

[0029] like Figure 2 and Figure 3 As shown, in this embodiment, the negative pressure drainage tube 3, the flushing liquid drainage tube 4 and the ventilation tube 5 are sleeved in the main drainage tube 1, one end of the flushing liquid drainage tube 4 passes through the main drainage tube 1 and is inserted into the blunt-tipped drainage tube 2, and is communicated with the blunt tip 21 of the blunt-tipped drainage tube 2, and the other end is connected to the external flushing liquid, so that the flushing liquid is transmitted to the blunt-tipped drainage tube 2 through the flushing liquid drainage tube 4, and the patient's wound tissue is flushed through the liquid outlet 21 of the blunt-tipped drainage tube 2.

[0030] In this embodiment, the negative pressure drainage tube 3, the ventilation tube 5, the main drainage tube 1 and the blunt-tip drainage tube 2 are interconnected, so that drainage can be performed without affecting the patient.

[0031] One end of the negative pressure drainage tube 3 is arranged in the main drainage tube 1, and the other end is connected to the external negative pressure drainage bottle, so that the secretions of the wound tissue or the flushing fluid that has flushed the wound tissue are sucked into the blunt-tipped drainage tube 2 and discharged into the external negative pressure drainage bottle through the main drainage tube 1 and the negative pressure drainage tube 3.

[0032] like Figure 1 and Figure 3 As shown, one end of the ventilation tube 5 is arranged in the main drainage tube 1, and the other end is detachably connected to the air filter 7 for filtering tiny particles in the air, thereby reducing the risk of infection for the patient.

[0033] At the same time, the ventilation tube 5 can effectively avoid the problem of blockage of the entire drainage tube and prevent the drainage tube from being used for too long, resulting in ischemia and necrosis of the wound tissue.

[0034] like Figure 1 and Figure 2 As shown, in this embodiment, the length of the portion of the negative pressure drainage tube 3 arranged in the main drainage tube 1 is much longer than the length of the ventilation tube 5 arranged in the main drainage tube 1, which can effectively reduce the amount of air inhaled by the negative pressure drainage tube 3 and discharge as much secretions of the wound tissue or flushing fluid that has flushed the wound tissue as possible without affecting the wound tissue.

[0035] like Figure 1 and Figure 3 As shown, in this embodiment, a puncture needle is provided at one end of the flushing liquid drainage tube 4, and the flushing liquid drainage tube 4 is connected to the external flushing liquid through the puncture needle, and the flushing liquid flows into the flushing liquid drainage tube 4 through the puncture needle.

[0036] like Figure 1-3 As shown, in this embodiment, a drip pot 6 is further provided between the flushing liquid drainage tube 4 and the external flushing liquid, so as to visually check the flow of the flushing liquid and thus judge the current flow state of the entire drainage tube.

[0037] When a blockage occurs in the drainage tube, medical staff or patients can observe that the flow rate of the flushing liquid in the drip pot 6 slows down or stops. If the negative pressure drainage tube 3 is blocked, a water column of secretions discharged from the wound tissue or flushing liquid that has flushed the wound tissue will appear in the ventilation tube 5, making it easy for patients or medical staff to observe that the drainage tube is faulty and needs to be replaced or unblocked.

[0038] like Figure 1 and Figure 2 As shown, in this embodiment, the ventilation tube 5 is connected in parallel with the flushing liquid drainage tube 4, and the length of the ventilation tube 5 is longer than the length of the flushing liquid drainage tube 4. At the same time, the setting length of the ventilation tube 5 is higher than the liquid plane of the external flushing liquid connected to the flushing liquid drainage tube 4, so as to avoid the mixed liquid in the drainage tube from flowing back when the drainage tube is blocked, thereby causing the mixed liquid to flow out of the ventilation tube 5.

[0039] The specific method of using the disposable negative pressure flushing liquid drainage tube of this embodiment is as follows: when the patient only needs to suck out the secretions at the wound tissue, the blunt-tipped drainage tube 2 is set at the wound tissue of the patient, and the negative pressure drainage tube 3 is connected to the external negative pressure drainage bottle to suck the secretions of the wound tissue. Under the action of the negative pressure drainage bottle, the secretions of the wound tissue are transmitted to the main drainage tube 1 through the spiral drainage groove 22, and then transmitted to the negative pressure drainage tube 3 through the main drainage tube 1, and finally transmitted to the external negative pressure drainage bottle.

[0040] If the wound tissue of the patient needs to be rinsed and cleaned, the rinsing liquid drainage tube 4 is connected to the external rinsing liquid, and attention is paid to adjusting the positions of the ventilation tube 5 and the rinsing liquid drainage tube 4 to ensure that the rinsing liquid drainage tube 4 and the ventilation tube 5 are facing upward during use, and the ventilation tube 5 is higher than the liquid height of the rinsing liquid to avoid the liquid being discharged from the ventilation tube 5 when the drainage tube is blocked; the external rinsing liquid flows into the drip pot 6 through the puncture needle and the rinsing liquid drainage tube, and then flows from the drip pot 6 through the rinsing liquid drainage tube 4 to the liquid outlet 21 of the blunt drainage tube 2, thereby rinsing and cleaning the patient's wound tissue, and at the same time, the discharge process is the same as the above-mentioned wound tissue secretions. The medical staff replaces the external negative pressure drainage bottle at intervals.

[0041] The above embodiments are only for illustrating the technical idea of ​​the present utility model, and cannot be used to limit the protection scope of the present utility model. Any changes made on the basis of the technical solution in accordance with the technical idea proposed by the present utility model shall fall within the protection scope of the present utility model.

Claims

1. A disposable negative pressure flushing drainage tube, characterized in that: The drainage tube comprises a main drainage tube (1) and a blunt-tipped drainage tube (2) for preventing damage to internal body tissues caused by insertion and removal. The main drainage tube (1) is connected to the blunt-tipped drainage tube (2). The main drainage tube (1) is provided with a negative pressure drainage tube (3) connected to an external negative pressure drainage bottle, a flushing liquid drainage tube (4) connected to an external flushing liquid, and a ventilation tube (5). The main drainage tube (1), the blunt-tipped drainage tube (2), the ventilation tube (5) and the negative pressure drainage tube (3) are interconnected. The blunt-tipped drainage tube (2) is provided with a plurality of spiral drainage grooves (22) for negative pressure drainage. The flushing liquid drainage tube (4) is connected to the blunt-tipped drainage tube (2).

2. The disposable negative pressure flushing drainage tube according to claim 1, characterized in that: An air filter (7) is detachably provided at one end of the ventilation pipe (5).

3. The disposable negative pressure flushing drainage tube according to claim 1, characterized in that: A drip pot (6) is provided on the flushing liquid drainage tube (4) for conveniently checking the dripping speed.

4. The disposable negative pressure flushing drainage tube according to claim 1, characterized in that: The number of the spiral drainage grooves (22) is at least three.

5. The disposable negative pressure flushing drainage tube according to claim 1, characterized in that: The blunt-tipped drainage tube (2) is provided with a plurality of liquid suction ports, which are respectively connected to a plurality of spiral drainage grooves (22). The blunt-tipped drainage tube (2) is also provided with a liquid outlet (21), which is connected to the flushing liquid drainage tube (4).

6. The disposable negative pressure flushing drainage tube according to claim 1, characterized in that: The ventilation tube (5) is connected in parallel with the flushing liquid drainage tube (4), and the length of the ventilation tube (5) is longer than the length of the flushing liquid drainage tube (4).

7. The disposable negative pressure flushing drainage tube according to claim 1, characterized in that: The main drainage tube (1) and the blunt-tip drainage tube (2) are connected via a joint (8).

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