Ureter convenient to wash

By designing a connector structure at the urinary catheter flushing inlet, the problems of poor sealing and unstable connection were solved, achieving stable sealing and safe cleaning of the urinary catheter.

CN223601753UActive Publication Date: 2025-11-28THE FIRST MEDICAL CENT CHINESE PLA GENERAL HOSPITAL
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Patent Information

Application Number
CN202422617322.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-29
Publication Date
2025-11-28
Estimated Expiration
2034-10-29

AI Technical Summary

Technical Problem

The existing three-lumen urinary catheters have poor sealing at the irrigation and injection ports, unstable connections, and are prone to leakage and operational difficulties.

Method used

A connector structure including a connector base, a connecting tube, a connecting column, a conveying channel, and an end cap is designed. It achieves a stable seal through threaded connection and a valve-like thin sheet to prevent leakage and maintain a closed state when not in use.

Benefits of technology

It achieves a stable seal at the urinary catheter flushing inlet, preventing leakage, ensuring a stable connection, and guaranteeing the convenience and safety of the cleaning operation.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223601753U_ABST
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Abstract

The utility model discloses a ureter convenient to wash, and relates to the technical field of medical care instruments. Comprising a three-cavity catheter body, one end of the three-cavity catheter body is provided with a liquid outlet, an injection hard valve and a flushing and medicine injection opening, the flushing and medicine injection opening is provided with a connector structure used for being connected with the head of a pipeline capable of injecting flushing liquid, and the connector structure comprises a connector base and a through hole formed in the center of the connector base; a connecting pipe is arranged in the center of one end of the connector base, the connecting pipe is communicated with the through hole, the connecting pipe is inserted into the flushing medicine injection opening for connection, and the connecting pipe is communicated with the flushing medicine injection opening; the connecting column is connected to the center position of the connector base, a conveying channel is formed in the connecting column, the conveying channel communicates with the through hole, and the conveying channel is used for allowing the head of a pipeline capable of being injected with flushing fluid to be inserted; and the end cover covers the connecting column so as to block the conveying channel.
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Description

TECHNICAL FIELD

[0001] The utility model relates to medical nursing instrument technical field especially, it is a kind of urinary catheter convenient to flush. BACKGROUND

[0002] Catheter is a kind of pipeline inserted into urinary bladder through urethra to drain urine. It is made of natural rubber, silicone rubber or polyvinyl chloride (PVC), which can be inserted into urinary bladder through urethra to drain urine. After being inserted into urinary bladder, a gas bag near the catheter head end fixes the catheter in urinary bladder and is not easy to come out, and the drainage tube is connected to a urine bag to collect urine. Among them, the three-lumen catheter has three lumens, one is a liquid outlet for normal urination drainage, one is a hard valve for injecting gas or liquid into the gas bag, and the other is a flushing and medicine injection port to help bladder flushing. It is generally used by patients with diseases of urinary system, such as patients with urinary retention, and needs bladder drug perfusion treatment, etc.

[0003] At present, the flushing and medicine injection port of the three-lumen catheter is generally plugged by a sealing plug, which not only has poor sealing effect, but also is not easy to operate. The ordinary flushing and medicine injection port has a cylindrical plug at the end of the pipeline for connecting the hanging bag loaded with flushing liquid to realize connection by inserting into the flushing and medicine injection port. However, this direct insertion type connection is extremely unstable and easy to fall off, which affects the transportation of flushing liquid. At the same time, the flushing and medicine injection port is completely open during the process of inserting the plug, which easily leads to urine leakage and causes trouble for related medical operations.

[0004] Therefore, based on the above technical problems, the technical personnel in the art urgently need to develop a urinary catheter convenient to flush. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a urinary catheter convenient to flush, which can facilitate bladder flushing with the urinary catheter and avoid leakage, poor sealing and unstable connection during operation.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] The utility model discloses a urinary catheter convenient to flush, which comprises a three-lumen catheter body having a liquid outlet, a hard valve and a flushing and medicine injection port at one end. A connecting head structure is arranged on the flushing and medicine injection port to connect the head part of the pipeline capable of injecting flushing liquid. The connecting head structure comprises:

[0008] A connecting head seat is arranged at the center position of the connecting head structure, and a connecting pipe is arranged at the center position of one end of the connecting head seat. The connecting pipe is connected with the through hole, and the connecting pipe is used to insert into the flushing and medicine injection port for connection. The connecting pipe is connected with the flushing and medicine injection port.

[0009] a connecting column connected at the center of the connecting head base, a delivery channel provided on the connecting column, the delivery channel being in communication with the through hole, and the delivery channel being used for inserting a pipe head capable of injecting flushing liquid; and

[0010] an end cover used for sealing the delivery channel by covering the connecting column.

[0011] Further, the diameter of the connecting head base is larger than the diameter of the connecting column.

[0012] Further, the delivery channel comprises a socket and a delivery hole, the socket being radially provided on the side surface of the connecting column, the delivery hole being axially provided on the connecting column towards one end of the connecting head base, the socket being in communication with the delivery hole, and the socket being used for inserting the pipe head capable of injecting flushing liquid.

[0013] Further, a valve-like sheet is provided in the socket, and the valve-like sheet is used for sealing the socket.

[0014] Further, the inner wall of the end cover is internally threaded, and the outer side surface of the connecting column is externally threaded so as to threadedly connect the connecting column and the end cover.

[0015] Further, a sealing ring is provided on the end face of one end of the connecting column on the connecting head base, and the end cover is tightly screwed on the connecting column, and the end cover is tightly sealed on the sealing ring.

[0016] In the above technical solution, the urinary tube provided by the present application has the following beneficial effects:

[0017] The connecting head structure is provided on the flushing and medicine injection port of the urinary tube, the flushing and medicine injection port can be stably sealed when idle, leakage is avoided, the pipe head capable of injecting flushing liquid can be conveniently connected, the connection is stable, leakage is avoided, and the flushing and medicine injection port is always in a closed state during the pipe head connection process, the situation that urine is led out of the flushing and medicine injection port is avoided, and the cleaning operation of the urinary tube during use is more convenient and safe. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0019] Figure 1The structure schematic diagram of the urinary tube convenient to flush provided by the embodiment of the utility model;

[0020] Figure 2 The end cover sealing schematic diagram of the connecting head structure of the urinary tube convenient to flush provided by the embodiment of the utility model;

[0021] Figure 3 The end cover sealing schematic diagram of the connecting head structure of the urinary tube convenient to flush provided by the embodiment of the utility model;

[0022] Figure 4 The structure schematic diagram of the urinary tube convenient to flush provided by the embodiment of the utility model;

[0023] Figure 5 The structure schematic diagram of the urinary tube convenient to flush provided by the embodiment of the utility model;

[0024] Figure 6 The structure schematic diagram of the urinary tube convenient to flush provided by the embodiment of the utility model.

[0025] Mark explanation:

[0026] 1, three cavity urethral catheter body, 2, connecting head seat, 3, through hole, 4, connecting pipe, 5, connecting column, 6, delivery channel, 7, end cover, 8, valve-like sheet, 9, sealing ring, 101, liquid outlet, 102, injection hard valve, 103, flush injection port, 601, spigot, 602, delivery hole. Specific implementation

[0027] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, the utility model will be introduced further in detail below with the accompanying drawings.

[0028] Referring to Figures 1 to 6 As shown in the figure;

[0029] The embodiment discloses a urinary tube convenient to flush, including three cavity urethral catheter body 1, its one end has liquid outlet 101, injection hard valve 102 and flush injection port 103, is the basic structure of the prior art that constitutes three cavity urethral catheter, liquid outlet 101 is used for the urination drainage of usual time, injection hard valve 102 is to the gasbag injection gas or liquid, to the urinary tube after being stretched into urethra will not fall off, flush injection port 103 place delivery cleaning fluid, help bladder flush, flush injection port 103 is provided with connecting head structure to connect the pipeline head part that can inject flushing liquid, and the connecting head structure includes:

[0030] The connecting head base 2 is provided with a through hole 3 at the center position, and a connecting pipe 4 is arranged at one end of the connecting head base 2, which is communicated with the through hole 3. The connecting pipe 4 is used to be inserted into the flushing medicine injection port 103 for connection, and is communicated with the flushing medicine injection port 103. In order to be connected with the flushing medicine injection port 103 in advance and facilitate the operation during use, the connecting pipe 4 and the flushing medicine injection port 103 can be directly inserted into each other, and the connection between the connecting pipe 4 and the flushing medicine injection port 103 can be formed by increasing the insertion depth, the tightness and the like to form a stable connection, or the connecting pipe 4 and the flushing medicine injection port 103 can be designed as an integrated structure to be used in a more stable structure.

[0031] The connecting column 5 is connected at the center position of the connecting head base 2, and the connecting column 5 is provided with a delivery channel 6, which is communicated with the through hole 3. The delivery channel 6 is used to insert the pipe head capable of injecting flushing liquid. The through hole 3 of the connecting head base 2, the connecting pipe 4 and the delivery channel 6 of the connecting column 5 are in a through structure, which is connected to the flushing medicine injection port 103. After the pipe head capable of injecting flushing liquid is inserted into the delivery channel 6, the flushing liquid is delivered to the flushing medicine injection port 103.

[0032] The end cover 7 is used to block the delivery channel 6 by covering the connecting column 5. Therefore, the end cover 7 is mainly used to close the delivery channel 6 on the connecting column 5 during idle time, so as to avoid liquid leakage. In addition, during use, the end cover 7 is moved to expose the delivery channel 6 to the pipe head capable of injecting flushing liquid, so as to meet the operation without completely removing the end cover 7 from the connecting column 5, thereby avoiding loss.

[0033] Further, the diameter of the connecting head base 2 is greater than the diameter of the connecting column 5.

[0034] Further, the delivery channel 6 includes a socket 601 and a delivery hole 602. The socket 601 is radially arranged on the side surface of the connecting column 5, and the delivery hole 602 is axially arranged on one end of the connecting column 5 towards the connecting head base 2. The socket 601 is communicated with the delivery hole 602. The socket 601 is used to insert the pipe head capable of injecting flushing liquid, so as to be communicated with the delivery hole 602 for infusion. When the end cover 7 is installed, the socket 601 is directly closed to seal the flushing medicine injection port 103.

[0035] Further, the valve-shaped sheet 8 is arranged in the socket 601 to seal the socket 601. The valve-shaped sheet 8 is the main structure to prevent leakage when the flushing and medicine injection port 103 is connected with the plug of the infusion tube. The valve-shaped sheet 8 is in a closed state when not subjected to negative pressure or external force. When subjected to external force, the valve-shaped opening of the valve-shaped sheet 8 can be opened to realize communication, so that the pipe head for injecting flushing liquid can be inserted. In addition, after insertion, the thin film structure of the valve-shaped sheet 8 is equivalent to being pressed between the pipe head for injecting flushing liquid and the inner wall of the socket 601, which is equivalent to the role of a sealing layer. The valve-shaped sheet 8 is made of rubber or other anti-skid materials, which has the effect of anti-skid, can ensure that the pipe head for injecting flushing liquid is inserted into the flushing and medicine injection port 103 to be connected more stably, is not easy to fall off, and has better sealing effect.

[0036] Further, the inner wall of the end cover 7 is provided with internal threads, and the outer side surface of the connecting column 5 is provided with external threads to realize threaded connection between the connecting column 5 and the end cover 7.

[0037] Further, the end face of one end of the connecting column 5 arranged on the connecting head base 2 is provided with a sealing ring 9, and the end cover 7 is tightly sealed on the sealing ring 9 when the end cover 7 is screwed on the connecting column 5. First, the threaded connection between the connecting column 5 and the end cover 7 has a sealing effect, which can well seal the position of the socket 601. In combination with the tight sealing of the end cover 7 on the sealing ring 9, further sealing is realized, so that the flushing and medicine injection port 103 of the urinary catheter has better sealing effect when idle and leakage is better avoided.

[0038] In the above technical solution, the urinary catheter provided by the utility model has the following beneficial effects:

[0039] The flushing and medicine injection port of the urinary catheter is provided with the connecting head structure, can be stably sealed when idle, leakage is avoided, can be connected with the pipe head for injecting flushing liquid, the connection is stable, leakage is avoided, the flushing and medicine injection port is always in a closed state during the connection of the pipe head, the situation that urine is led out of the flushing and medicine injection port is avoided, and the cleaning operation of the urinary catheter during use is more convenient and safe.

[0040] The above only describes some exemplary embodiments of the utility model by way of illustration, without doubt, for ordinary skilled person in the art, the described embodiments can be modified in various ways without departing from the spirit and scope of the utility model. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the utility model claims.

Claims

1. A urinary catheter for easy irrigation, comprising a three-lumen urinary catheter body (1) having a liquid outlet (101), an injection hard valve (102) and an irrigation injection port (103) at one end, characterized in that, The flush injection port (103) is provided with a connector structure for connecting the pipe head capable of injecting the flushing liquid, and the connector structure comprises: a connector seat (2) provided with a through hole (3) at the center position, a connecting pipe (4) connected with the through hole (3) and arranged at one end of the connector seat (2), the connecting pipe (4) being inserted into the flush injection port (103) for connection, and the connecting pipe (4) being communicated with the flush injection port (103); a connecting column (5) connected at the center position of the connector seat (2), the connecting column (5) being provided with a delivery channel (6) communicated with the through hole (3), and the delivery channel (6) being used for inserting the pipe head capable of injecting the flushing liquid; and an end cover (7) for plugging the delivery channel (6) by covering the connecting column (5).

2. A urinary catheter according to claim 1, characterized in that The diameter of the connector seat (2) is larger than the diameter of the connecting column (5).

3. A urinary catheter according to claim 2, characterized in that The delivery channel (6) comprises a socket (601) radially arranged on the side surface of the connecting column (5) and a delivery hole (602) axially arranged on one end of the connecting column (5) towards the connector seat (2), the socket (601) being communicated with the delivery hole (602), and the socket (601) being used for inserting the pipe head capable of injecting the flushing liquid.

4. A urinary catheter according to claim 3, characterized in that A valve-like sheet (8) is arranged in the socket (601) for plugging the socket (601).

5. A urinary catheter according to claim 1, wherein The inner wall of the end cover (7) is provided with an internal thread, and the outer side surface of the connecting column (5) is provided with an external thread for threadedly connecting the connecting column (5) with the end cover (7).

6. A urinary catheter according to claim 5, characterized in that A sealing ring (9) is arranged on the end face of one end of the connecting column (5) on the connector seat (2), and the end cover (7) is tightly screwed on the connecting column (5) to seal the sealing ring (9).