Anti-blocking lumbar cistern drainage tube
By adopting a double-tube structure and a drug injection and flushing function in the lumbar drainage tube, the problem of easy blockage of the drainage tube is solved, the anti-blocking effect is achieved, the treatment effect is improved and the patient's pain is reduced.
Patent Information
- Application Number
- CN202421060015.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-15
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2034-05-15
AI Technical Summary
The existing lumbar large pool drainage tube is prone to blockage due to the deposition of blood clots and flocs, which affects treatment and increases the patient's pain.
An anti-blocking lumbar drainage tube is designed, which adopts a double-tube structure, including a medicine-injection flushing tube and a drainage tube. The medicine-injection flushing function can clean blockages and prevent obstruction without affecting drainage.
Through the double-tube structure and injection and flushing function, the clogging of the drainage tube is effectively prevented, the patency of the drainage tube is ensured, the patient's pain is reduced, and the treatment effect is improved.
Smart Images

Figure CN222368098U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lumbar cistern drainage tubes, in particular to an anti-blocking lumbar cistern drainage tube. Background Art
[0002] Drainage tubes are medical devices used for clinical surgical drainage. They guide pus, blood, and fluids accumulated between human tissues or in body cavities to the outside of the body to prevent postoperative infection and promote wound healing. There are many types of surgical drainage tubes used clinically, some are used for urinary catheterization, some are used for wounds, and they are used in the chest cavity, brain cavity, gastrointestinal tract, bile duct, etc. The purpose of surgical drainage is to guide pus, blood, and fluids accumulated between human tissues or in body cavities to the outside of the body to prevent postoperative infection and affect wound healing;
[0003] Lumbar drainage is mainly used to control intracranial pressure and clear bloody cerebrospinal fluid after craniocerebral injury, thereby reducing stimulation to the brain, promoting the circulation and absorption of cerebrospinal fluid, relieving cerebral vasospasm, improving cerebral ischemia, and reducing the occurrence of cerebral edema and cerebral infarction.
[0004] Public document: CN210472684U, a lumbar drainage tube, including a puncture needle, one end of the puncture needle is threadedly connected to a first handle, one side of the first handle is fixedly connected to a first main pipe, the outer surface of the first main pipe is provided with a flow valve, one end of the first main pipe is fixedly connected to a pressure sensor, and the top of the pressure sensor is fixedly connected to an alarm. The lumbar drainage tube, through the provision of the first handle, the second handle and the third handle, makes the lumbar drainage tube easy to disassemble, through the provision of the flow valve, the lumbar drainage tube has the function of controlling the flow rate, through the provision of the diverter, the lumbar drainage tube has the effect of diversion, and through the provision of the negative pressure pump, negative pressure can be generated inside the lumbar drainage tube, thereby making the lumbar drainage tube flow smoothly and avoiding blockage.
[0005] The insertion end of the above-mentioned existing lumbar drainage tube is still a single-tube structure, which is easily blocked by the deposition of blood clots and flocs, affecting treatment. At the same time, a new drainage tube needs to be replaced, which increases the pain of the patient. Therefore, it does not meet the existing needs. We have proposed an anti-blocking lumbar drainage tube. Utility Model Content
[0006] The utility model aims to provide an anti-blocking lumbar drainage tube to solve the problems raised in the above-mentioned background technology.
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-blocking lumbar cistern drainage tube, comprising: a drug injection and flushing tube main body, a drug injection and flushing cavity is provided inside the drug injection and flushing tube main body, a drainage tube main body is arranged inside the drug injection and flushing cavity, the drainage tube main body includes a drug injection and flushing tube mouth located on its upper surface, and the lower end of the drug injection and flushing tube mouth is connected with the drug injection and flushing cavity, a drug injection and flushing tube end is provided at one end of the drug injection and flushing tube main body, a drainage tube end is provided at one end of the drainage tube main body close to the drug injection and flushing tube end, a plurality of through holes for drainage and injection are provided on the outer walls of the drainage tube end and the drug injection and flushing tube end, and the through holes of the drainage tube end are smaller than the through holes of the drainage tube end.
[0008] Preferably, a first valve for controlling the opening and closing state of the injection and flushing pipe opening is installed inside the injection and flushing pipe opening.
[0009] Preferably, a drainage pipe opening is provided at the other end of the drainage tube body, and the drainage pipe opening is located outside the injection and flushing tube body away from one end of the injection and flushing tube end, and a second valve for controlling the opening and closing state of the drainage pipe opening is installed inside the drainage pipe opening.
[0010] Preferably, the end of the injection and flushing tube and the end of the drainage tube are both hemispherical, and the through holes are densely distributed on the two hemispherical outer walls.
[0011] Preferably, a first annular groove is provided on the inner wall of the medicine injection and flushing tube body, and a second annular groove is provided on the outer wall of the drainage tube body.
[0012] Preferably, a drainage cavity is provided inside the drainage tube body, and one end of the drainage tube opening is communicated with the drainage cavity.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] The utility model changes the drainage tube from a single tube structure to a double tube structure through the arrangement of a medicine injection and flushing tube body, a medicine injection and flushing tube mouth, a medicine injection and flushing cavity, a drainage tube body, a medicine injection and flushing tube end, and adds medicine injection and flushing functions on the basis of drainage. The functionality is improved by medicine injection and flushing without affecting drainage, and the drainage tube is flushed through the flushing function to flush and remove the blockage, thereby achieving an anti-blockage effect. Moreover, since the through hole at the end of the medicine injection and flushing tube is smaller than the through hole at the end of the drainage tube, the blockage will be restricted to the end of the external medicine injection and flushing tube, and the external medicine injection and flushing tube is larger than the internal drainage tube. After the external end is blocked, there are still more vacant through holes for liquid to flow into the inner cavity, so that the drainage tube can still work. The end is hemispherical, which can increase the area of the through hole distribution. At different angles, the hemispherical surface has through holes, thereby improving the drainage effect. Moreover, the surface of the hemispherical surface is smooth, not easy to be attached, and can be easily entered and separated. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 It is a top perspective view of the utility model;
[0017] Figure 3 It is a cross-sectional view of the utility model;
[0018] In the figure: 1. main body of the drug injection and flushing tube; 2. drug injection and flushing tube outlet; 3. first valve; 4. drainage tube outlet; 5. second valve; 6. main body of the drainage tube; 7. end of the drug injection and flushing tube; 8. through hole; 9. end of the drainage tube; 10. drug injection and flushing cavity; 11. drainage cavity; 12. first slot; 13. second slot. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0020] See also Figure 1-3 The utility model provides an embodiment of an anti-blocking lumbar cistern drainage tube, comprising: a drug injection and flushing tube body 1, a drug injection and flushing cavity 10 is opened inside the drug injection and flushing tube body 1, a drainage tube body 6 is arranged inside the drug injection and flushing cavity 10, the drainage tube body 6 includes a drug injection and flushing tube port 2 located on its upper surface, and the lower end of the drug injection and flushing tube port 2 is connected with the drug injection and flushing cavity 10, a drug injection and flushing tube terminal 7 is arranged at one end of the drug injection and flushing tube body 1, a drainage tube terminal 9 is arranged at one end of the drainage tube body 6 close to the drug injection and flushing tube terminal 7, and a plurality of through holes 8 for drainage and injection are opened on the outer walls of the drainage tube terminal 9 and the drug injection and flushing tube terminal 7, and the through holes 8 of the drainage tube terminal 9 are smaller than the through holes 8 of the drainage tube terminal 9.
[0021] The lumbar cistern silicone drainage tube is placed in the subarachnoid space to continuously drain cerebrospinal fluid, thereby reducing intracranial pressure, draining bloody and infected cerebrospinal fluid, and injecting drugs into the subarachnoid space.
[0022] By arranging the drug injection and flushing tube body 1, the drug injection and flushing tube mouth 2, the drug injection and flushing cavity 10, the drainage tube body 6, the drug injection and flushing tube end 7, and the drainage tube end 9, the drainage tube is changed from a single tube to a double tube structure, and on the basis of drainage, the drug injection and flushing functions are added. Without affecting the drainage, the functionality is improved by drug injection and flushing, and the flushing function is used to flush the drainage tube to flush and remove the blockage, thereby achieving an anti-blockage effect. Moreover, since the through hole 8 at the drug injection and flushing tube end 7 is smaller than the through hole 8 at the drainage tube end 9, the blockage will be restricted to the external drug injection and flushing tube end. In addition, the external drug injection and flushing tube is larger than the internal drainage tube. After the external end is blocked, there are still more vacant through holes 8 for liquid to flow into the inner cavity, so that the drainage tube can still work.
[0023] See also Figure 1 , Figure 3 A first valve 3 for controlling the opening and closing state of the injection and flushing pipe opening 2 is installed inside the injection and flushing pipe opening 2.
[0024] The first valve 3 is used to control the opening and closing state of the injection and flushing pipe port 2;
[0025] When injecting medicine, the first valve 3 is opened, the second valve 5 is closed, and antibiotics are injected through the injection flushing tube port 2. The antibiotics enter the injection flushing cavity 10 and enter the subarachnoid space from the through hole 8 of the injection flushing tube end 7 to treat cerebrospinal fluid infection.
[0026] During flushing, physiological saline is injected from the injection flushing tube port 2, and the physiological saline enters the injection flushing cavity 10 to flush the injection flushing tube end 7 and the drainage tube end 9 to prevent the drainage tube from being blocked.
[0027] See also Figure 1 , Figure 3 A drainage pipe port 4 is provided at the other end of the drainage tube body 6, and the drainage pipe port 4 is located outside the injection and flushing tube body 1 away from one end of the injection and flushing tube end 7, and a second valve 5 for controlling the opening and closing state of the drainage pipe port 4 is installed inside the drainage pipe port 4; a drainage cavity 11 is opened inside the drainage tube body 6, and one end of the drainage pipe port 4 is connected to the drainage cavity 11.
[0028] The second valve 5 is used to control the opening and closing state of the drainage tube port 4; during the drainage process, the second valve 5 is opened and the first valve 3 is closed, and the cerebrospinal fluid enters the injection and flushing cavity 10 through the through hole 8 of the injection and flushing tube end 7, and then enters the drainage cavity 11 through the drainage tube end 9 and is discharged.
[0029] See also Figure 1 , Figure 3 The end 7 of the injection and flushing tube and the end 9 of the drainage tube are both hemispherical, and the through holes 8 are densely distributed on the outer walls of the two hemispherical shapes.
[0030] The end is hemispherical, which can increase the distribution area of the through holes 8. At different angles, there are through holes 8 on the hemispherical surface, which improves the drainage effect. The hemispherical surface is smooth and not easy to get stuck, so it is easy to enter and leave.
[0031] See also Figure 3 A first annular groove 12 is provided on the inner wall of the injection and flushing tube body 1, and a second annular groove 13 is provided on the outer wall of the drainage tube body 6.
[0032] The first slot 12 and the second slot 13 are used to increase the internal space of the injection and flushing cavity 10, and can reduce the thickness of the two tube bodies and reduce the weight of the drainage tube.
[0033] Working principle: When injecting medicine, open the first valve 3, close the second valve 5, inject antibiotics through the injection flushing tube port 2, and the antibiotics enter the injection flushing cavity 10, and enter the subarachnoid space from the through hole 8 of the injection flushing tube end 7 to treat cerebrospinal fluid infection;
[0034] During flushing, normal saline is injected from the injection flushing tube port 2, and the normal saline enters the injection flushing cavity 10 to flush the injection flushing tube end 7 and the drainage tube end 9 to prevent the drainage tube from being blocked;
[0035] The second valve 5 is used to control the opening and closing state of the drainage tube port 4; during the drainage process, the second valve 5 is opened and the first valve 3 is closed, and the cerebrospinal fluid enters the injection and flushing cavity 10 through the through hole 8 of the injection and flushing tube end 7, and then enters the drainage cavity 11 through the drainage tube end 9 and is discharged.
[0036] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
Claims
1. An anti-blocking lumbar drainage tube, comprising a drug injection and flushing tube body (1), characterized in that: The drug injection flushing tube body (1) is provided with a drug injection flushing cavity (10), and a drainage tube body (6) is provided inside the drug injection flushing cavity (10). The drainage tube body (6) includes a drug injection flushing tube opening (2) located on its upper surface, and the lower end of the drug injection flushing tube opening (2) is connected to the drug injection flushing cavity (10). One end of the drug injection flushing tube body (1) is provided with a drug injection flushing tube end (7), and the end of the drainage tube body (6) close to the drug injection flushing tube end (7) is provided with a drainage tube end (9). The outer walls of the drainage tube end (9) and the drug injection flushing tube end (7) are both provided with a plurality of through holes (8) for drainage and drug injection, and the through holes (8) of the drainage tube end (9) are smaller than the through holes (8) of the drainage tube end (9).
2. The anti-blocking lumbar drainage tube according to claim 1, characterized in that: A first valve (3) for controlling the opening and closing state of the drug injection and flushing pipe opening (2) is installed inside the drug injection and flushing pipe opening (2).
3. The anti-blocking lumbar drainage tube according to claim 1, characterized in that: The other end of the drainage tube body (6) is provided with a drainage tube opening (4), and the drainage tube opening (4) is located outside the end of the injection and flushing tube body (1) away from the injection and flushing tube end (7), and a second valve (5) for controlling the opening and closing state of the drainage tube opening (4) is installed inside the drainage tube opening (4).
4. The anti-blocking lumbar drainage tube according to claim 1, characterized in that: The end head (7) of the injection and flushing tube and the end head (9) of the drainage tube are both hemispherical, and the through holes (8) are densely distributed on the outer walls of the two hemispherical shapes.
5. The anti-blocking lumbar drainage tube according to claim 1, characterized in that: A first annular groove (12) is provided on the inner wall of the injection and flushing tube body (1), and a second annular groove (13) is provided on the outer wall of the drainage tube body (6).
6. The anti-blocking lumbar drainage tube according to claim 1, characterized in that: A drainage cavity (11) is provided inside the drainage tube body (6), and one end of the drainage tube opening (4) is in communication with the drainage cavity (11).
Citation Information
Patent Citations
Lumbar cistern drainage tube
CN210472684U