Disposable indwelling drainage catheter

Abstract

The utility model relates to the technical field of indwelling drainage catheters, and discloses a disposable indwelling drainage catheter which comprises an anti-suction tube, a skin expanding tube needle and a drainage bag, the right end of the anti-suction tube is fixedly connected with a polyurethane tube, and the right end of the polyurethane tube is fixedly connected with a three-way valve type connector. A side pipe is fixedly connected to one side of the interior of the three-way valve type connector, a main pipe is fixedly connected to the other side of the interior of the three-way valve type connector, a hose is arranged on the right side of the main pipe, a controller is installed on the outer side of the hose, and a drainage catheter is fixedly connected to the interior of the drainage bag. According to the utility model, the main tube and the side tube can be fixed together through the connecting buckle, the space occupied by the main tube and the side tube in the catheter bag is reduced, the risks of collision and equipment damage of the main tube and the side tube are reduced, and the polyester ammonia tube can be fixed on the skin of a patient through the fixer, so that secondary injury to the patient caused by movement of the equipment is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of indwelling drainage catheter, especially to a disposable indwelling drainage catheter. BACKGROUND

[0002] The disposable indwelling drainage catheter is a device widely used in the medical field, mainly used for draining fluid, relieving pain, preventing infection, etc. The device is usually composed of a drainage tube, a puncture device and a drainage bag, etc. It is designed to quickly drain excess fluid from the body after surgery or during treatment, and to maintain the normal physiological function of the body cavity. It has a compact structure, good biocompatibility, and is suitable for various clinical scenarios, such as postoperative drainage of trauma patients and intensive care.

[0003] However, the existing disposable indwelling drainage catheter lacks a corresponding fixing assembly between the main tube and the side tube. The current design usually relies on physical connection, but due to the lack of effective connection mechanism, it is easy to cause relative movement between the main tube and the side tube, thus occupying a large space and increasing the risk of collision. Such collision not only may damage the drainage equipment, but also may cause poor drainage, thus affecting the treatment effect.

[0004] To solve the above problems, a disposable indwelling drainage catheter is proposed. SUMMARY

[0005] In order to make up for the above shortcomings, the utility model provides a kind of disposable indwelling drainage catheter, to solve the problem that the main tube and the side tube of the existing disposable indwelling drainage catheter lack corresponding fixing assembly.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a disposable indwelling drainage catheter, comprising:

[0007] The suction tube, the expanded tube needle and the drainage bag are fixedly connected with the polyurethane tube at the right end, the three-way valve connector is fixedly connected with the polyurethane tube at the right end, the side tube is fixedly connected with the inside of the three-way valve connector at one side, the main tube is fixedly connected with the inside of the three-way valve connector at the other side, the soft tube is provided at the right side of the main tube, the controller is installed on the outside of the soft tube, the drainage catheter is fixedly connected in the inside of the drainage bag, the threaded fastener is fixedly connected with the end of the drainage catheter away from the drainage bag, the loudspeaker mouth can be installed on the outside of the threaded fastener, and the fixing assembly for fixing the drainage tube and the puncture site is provided on the outside of the polyurethane tube;

[0008] The connecting assembly is arranged outside the side pipe, a connecting buckle is fixedly connected to the outside of the side pipe, a fixing groove is formed in the inside of the connecting buckle, and a baffle is arranged in the inside of the connecting buckle.

[0009] As a further description of the above technical solution:

[0010] The fixing assembly comprises a fixer, a clamping groove is formed in the inside of the fixer, and two medical skin adhesives are fixedly connected to the outside of the fixer.

[0011] As a further description of the above technical solution:

[0012] Medical luer connectors are arranged between the side pipe and the main pipe away from the three-way valve type connector, and the medical luer connectors and the hose can be connected through standard luer connectors.

[0013] As a further description of the above technical solution:

[0014] A flow interrupter is fixedly connected to the outside of the main pipe, and a protrusion in the inside of the flow interrupter can interrupt the flow of the main pipe.

[0015] As a further description of the above technical solution:

[0016] The anti-suction pipe is in the shape of a pig tail, and a plurality of drainage holes are arranged in the inner ring, so that the drainage range is increased.

[0017] As a further description of the above technical solution:

[0018] The material of the polyurethane pipe is polyurethane, and the polyurethane pipe can be developed under B-ultrasound.

[0019] As a further description of the above technical solution:

[0020] The inside of the fixing groove can be clamped to the outside of the main pipe, and the side of the baffle close to the fixing groove is in abutment with the outside of the main pipe.

[0021] As a further description of the above technical solution:

[0022] The medical skin adhesive can fix the polyurethane pipe and the puncture site together, and the medical skin adhesive does not damage the skin of the patient.

[0023] As a further description of the above technical solution:

[0024] The fixer and the connecting buckle can be deformed to a certain extent.

[0025] The utility model has the advantages of the following:

[0026] 1. In this utility model, a connecting buckle is fixed on the side tube. When the device is not in use, the fixing groove on the connecting buckle is snapped onto the outside of the main tube. The baffle can block the outside of the main tube to prevent it from sliding out of the fixing groove. This can reduce the space occupied by the two in the device bag and also prevent the two medical Luer connectors fixed at the ends of the main tube and the side tube from colliding with each other, thus preventing damage to the device.

[0027] 2. In this utility model, a fixator is fixed on the outside of the polyurethane tube. When in use, the end of the fixator with medical skin adhesive can be attached to the skin near the affected area to ensure the stability of the polyurethane tube and the puncture site and prevent the device from moving and causing secondary injury to the patient. Attached Figure Description

[0028] Figure 1 This is a three-dimensional schematic diagram of a disposable indwelling drainage catheter proposed in this utility model;

[0029] Figure 2 for Figure 1 Enlarged view of A in the middle;

[0030] Figure 3 This is a schematic diagram of the connecting buckle of a disposable indwelling drainage catheter proposed in this utility model;

[0031] Figure 4 This is a schematic diagram of the structure of a fixator for a disposable indwelling drainage catheter proposed in this utility model.

[0032] Legend:

[0033] 1. Anti-suction tube; 2. Polyurethane tube; 3. Fixator; 4. Three-way valve connector; 5. Connecting buckle; 6. Medical Luer connector; 7. Flow interruptor; 8. Standard Luer connector; 9. Controller; 10. Flared end; 11. Threaded fixator; 12. Drainage bag; 13. Skin expander needle; 14. Slot; 15. Medical skin adhesive; 16. Baffle; 17. Fixing groove; 18. Side tube; 19. Main tube. Detailed Implementation

[0034] 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 of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0035] Reference Figure 1 - Figure 3 One embodiment of this utility model provides: a disposable indwelling drainage catheter, comprising:

[0036] The anti-suction tube 1, the skin-expanding tube needle 13 and the drainage bag 12, the right end of the anti-suction tube 1 is fixedly connected with the polyurethane tube 2, the right end of the polyurethane tube 2 is fixedly connected with the three-way valve type connector 4, one side of the inside of the three-way valve type connector 4 is fixedly connected with the side tube 18, the other side of the inside of the three-way valve type connector 4 is fixedly connected with the main tube 19, the right side of the main tube 19 is provided with the hose, the outer side of the hose is installed with the controller 9, the inside of the drainage bag 12 is fixedly connected with the drainage catheter, the end of the drainage catheter away from the drainage bag 12 is fixedly connected with the threaded fastener 11, the outer side of the threaded fastener 11 is installed with the horn mouth 10, the outer side of the polyurethane tube 2 is provided with the fixing assembly for fixing the drainage tube and the puncture site, the connecting assembly, when the device is not used, the side tube 18 and the main tube 19 are connected together, the occupied space is reduced, which is installed on the outer side of the side tube 18, the outer side of the side tube 18 is fixedly connected with the connecting buckle 5, the inside of the connecting buckle 5 is provided with the fixed groove 17, the inside of the connecting buckle 5 is installed with the baffle 16, the end of the side tube 18 and the main tube 19 away from the three-way valve type connector 4 is installed with the medical luer connector 6, the medical luer connector 6 and the hose can be connected through the standard luer connector 8, the outer side of the main tube 19 is fixedly connected with the flow interrupter 7, the protrusion in the inside of the flow interrupter 7 can cut off the flow of the main tube 19, the shape of the anti-suction tube 1 is pig tail shape, and a plurality of drainage holes are arranged in the inner ring, which can increase the drainage range, the material of the polyurethane tube 2 is polyurethane, which can be developed under B-ultrasound, the inside of the fixed groove 17 can be clamped on the outer side of the main tube 19, and the side of the baffle 16 close to the fixed groove 17 abuts against the outer side of the main tube 19.

[0037] Specifically, in the embodiment, a disposable indwelling drainage catheter includes a suction prevention tube 1, a drainage bag 12 and a skin-expanding tube needle 13, wherein the skin-expanding tube needle 13 can reduce the risk of intravenous injection, the suction prevention tube 1 is pigtail-shaped, and a plurality of drainage holes are arranged inside the suction prevention tube 1 to expand the drainage range, the suction prevention tube 1 is fixedly connected with a polyurethane tube 2, the material of the polyurethane tube 2 is imported polyurethane, which can ensure that the tube body is developed under B-ultrasound to facilitate the doctor to judge the intubation position, the other end of the polyurethane tube 2 is fixedly connected with a three-way valve connector 4, two tubes, i.e., a side tube 18 and a main tube 19, are connected inside the three-way valve connector 4, medical luer connectors 6 are installed at the ports of the two tubes, the medical luer connectors 6 can be connected with any other drainage equipment, a standard luer connector 8 is connected with another hose, a controller 9 is installed on the outside of the hose, the speed of the drainage through the hose can be adjusted, the hose is connected with a threaded fixing device 11 through a trumpet mouth 10 at the end, the bottom of the threaded fixing device 11 is connected with the drainage bag 12, the drainage in the patient's body is finally collected into the drainage bag 12 through a plurality of pipelines, a flow interrupter 7 is installed on the outside of the main tube 19, medical staff can cut off the main tube 19 by pinching the flow interrupter 7, at this time, flushing liquid can be injected through the side tube 18 to flush the affected part in the patient's body, a connecting buckle 5 is installed on the outside of the side tube 18, before the equipment is not used, a fixing groove 17 is clamped on the outside of the main tube 19, and a baffle 16 abuts against the outside of the main tube 19, so that the side tube 18 and the main tube 19 are fixed together, the space occupied by the equipment is reduced, and the risk of damage to the equipment is ensured.

[0038] Referring to Figure 4 , the fixing assembly includes a fixing device 3, a clamping groove 14 is arranged inside the fixing device 3, and two medical skin adhesives 15 are fixedly connected to the outside of the fixing device 3, the medical skin adhesives 15 can fix the polyurethane tube 2 and the puncture site together, the medical skin adhesives 15 do not damage the skin of the patient, and the fixing device 3 and the connecting buckle 5 can be deformed to a certain extent.

[0039] Specifically, the clamping groove 14 inside the polyurethane tube 2 can be clamped on the outside of the polyurethane tube 2, and medical skin adhesives 15 are installed on the upper and lower sides of the bottom of the polyurethane tube 2, so that the polyurethane tube 2 can be quickly and conveniently adhered to the skin near the puncture site of the patient, preventing the needle from shaking and causing secondary harm to the patient.

[0040] Working principle: the disposable indwelling drainage catheter includes anti-suction pipe 1 and drainage bag 12, wherein the anti-suction pipe 1 is fixed at the patient's affected part, and the effusion of the affected part can be guided out through multiple pipelines and sent into the drainage bag 12, the polyurethane pipe 2 is an imported polyurethane, which can be displayed under B-ultrasound, so as to facilitate the doctor to judge the position of the catheter, and in order to ensure the stability of the equipment, a fixator 3 is installed on the outer side of the polyurethane pipe 2, and two medical skin adhesives 15 are installed on the outer side of the fixator 3, which can quickly paste the polyurethane pipe 2 on the skin near the patient's affected part, prevent the equipment from hurting the patient's affected part, and a connecting buckle 5 is fixed on the outer side of the side pipe 18, the connecting buckle 5 is internally provided with a fixing groove 17, the fixing groove 17 can be clamped on the outer side of the main pipe 19, and the baffle 16 can abut against the outer side of the main pipe 19, so that the side pipe 18 and the main pipe 19 are fixed together in the initial state, reducing the space occupied by the two in the equipment bag, preventing the medical luer connector 6 from colliding and damaging.

[0041] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A single-use indwelling drainage catheter, characterized by, Include: The anti-suction pipe (1), the skin pipe needle (13) and the drainage bag (12), the right end of the anti-suction pipe (1) is fixedly connected with the polyurethane pipe (2), the right end of the polyurethane pipe (2) is fixedly connected with the three-way valve type connector (4), one side of the inside of the three-way valve type connector (4) is fixedly connected with the side pipe (18), the other side of the inside of the three-way valve type connector (4) is fixedly connected with the main pipe (19), the right side of the main pipe (19) is provided with a hose, the outer side of the hose is installed with a controller (9), the inside of the drainage bag (12) is fixedly connected with a drainage catheter, the end of the drainage catheter away from the drainage bag (12) is fixedly connected with a threaded fixture (11), the outer side of the threaded fixture (11) is installable with a trumpet mouth (10), the outer side of the polyurethane pipe (2) is provided with a fixing assembly for fixing the drainage tube and the puncture site; The connecting assembly connects the side pipe (18) and the main pipe (19) together when the device is not used, reduces the occupied space, is installed on the outer side of the side pipe (18), the outer side of the side pipe (18) is fixedly connected with a connecting buckle (5), the inside of the connecting buckle (5) is provided with a fixed groove (17), the inside of the connecting buckle (5) is installed with a baffle (16).

2. The indwelling drainage catheter according to claim 1, wherein: The fixing assembly includes a fixture (3), the inside of the fixture (3) is provided with a clamping groove (14), the outer side of the fixture (3) is fixedly connected with two medical skin adhesives (15).

3. The indwelling drainage catheter of claim 1, wherein: The end of the side pipe (18) and the main pipe (19) away from the three-way valve type connector (4) is installed with a medical luer connector (6), the medical luer connector (6) and the hose can be connected through a standard luer connector (8).

4. The indwelling drainage catheter of claim 1, wherein: The outer side of the main pipe (19) is fixedly connected with a flow interrupter (7), the protrusion in the inside of the flow interrupter (7) can cut off the flow of the main pipe (19).

5. The indwelling drainage catheter of claim 1, wherein: The shape of the anti-suction pipe (1) is pig tail shape, and a plurality of drainage holes are arranged in the inner ring, which can increase the drainage range.

6. The indwelling drainage catheter of claim 1, wherein: The material of the polyurethane pipe (2) is polyurethane, which can be developed under B-ultrasound.

7. The indwelling drainage catheter of claim 1, wherein: The inside of the fixed groove (17) can be clamped on the outer side of the main pipe (19), the side of the baffle (16) close to the fixed groove (17) abuts against the outer side of the main pipe (19).

8. The indwelling drainage catheter of claim 2, wherein: The medical skin adhesive (15) can fix the polyurethane pipe (2) and the puncture site together, and the medical skin adhesive (15) does not damage the skin of the patient.

9. The indwelling drainage catheter of claim 2, wherein: The fixture (3) and the connecting buckle (5) can deform to a certain extent.

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