Urethral catheter for patients with urethral malformation and stenosis

Abstract

The utility model discloses a urethral catheter for urethral malformation and stenosis patients, which comprises a urethral catheter, a guide tube is arranged at the front end of the urethral catheter, a water injection tube, a fixing tube and a drainage tube are arranged at the rear end of the urethral catheter, and the urethral catheter, the water injection tube, the fixing tube and the drainage tube are integrally formed. The fixing tube is connected with a fixing connector, first side holes are formed in the fixing connector and the guide tube, and an air bag and a second side hole are formed in the peripheral wall of the catheter. The urethral catheter with the guide wire for guiding is more favorable for patients with urethral malformation and stenosis to use, is favorable for reducing injury, is also favorable for faster rehabilitation, is more reasonable in design, and is convenient to produce, manufacture and install.

Description

Technical Field

[0001] The utility model relates to the technical field of urinary catheters, in particular to a urinary catheter for patients with urethral malformation and stricture. Background Art

[0002] It is known that urethral stricture and malformation refer to mechanical lumen abnormalities and malformations in any part of the urethra, which cause micturition disorders due to increased resistance in the urethra and are more common in men. The main causes of urethral stricture in developed and developing countries are different. The most common cause of urethral stricture and malformation in developed countries is congenital stricture (41%), followed by iatrogenic (35%). Due to high rates of road traffic injuries and backward trauma management systems, trauma (36%) has become the most common cause in developing countries. Multicenter surveys in China show that urethral stricture caused by trauma accounts for 54.0% in China. Urethral stricture occurring after male urethral injury not only brings great pain to patients, but also imposes a heavy economic burden on families and society. Therefore, how to prevent urethral stricture and malformation after male urethral injury is an important and urgent issue in clinical urology. Then urinary catheters emerged. However, for existing urinary catheters, they generally contain guide wires inside. For example, the Chinese utility model patent with the authorization announcement number CN216294954U discloses a guide wire pre-embedded urinary catheter, including a urinary catheter and a guide wire. The top of the urinary catheter is set to be arc-shaped, and a guide wire insertion hole is arranged inside the top of the urinary catheter. A guiding surface for guiding the insertion of the guide wire is arranged at the inner top of the urinary catheter. The guide wire insertion hole and the guide wire are in clearance fit. The guide wire is inserted into the urinary catheter. The guide wire is composed of a guide wire body and a smooth coating wrapped on the outer surface of the guide wire body. It can be seen that there is still a guide wire in the existing technology, and the guide wire is used to guide the insertion into the bladder for temporary urinary catheterization. However, this method will cause varying degrees of damage to the patient's urethra when catheterizing patients with urinary retention, especially for patients with urethral malformation and stricture, the recovery period is longer, and it will also cause certain damage, which is not conducive to the rehabilitation and use of patients. Summary of the Utility Model

[0003] (I) Technical Problems to be Solved

[0004] Aiming at the deficiencies in the prior art, the utility model provides a urinary catheter for patients with urethral malformation and stricture, which is more reasonably designed, has a simple structure, and ends the guidance of the guide wire, which is more conducive to the use of patients with urethral malformation and stricture, is conducive to reducing damage, and is also conducive to faster recovery.

[0005] (II) Technical Solutions to be Adopted

[0006] In order to achieve the above purpose, the technical solutions adopted by the utility model are as follows:

[0007] A urinary catheter for patients with urethral malformation and stricture, including a urinary catheter. A guiding catheter is provided at the front end of the urinary catheter. A water injection tube, a fixing tube, and a drainage tube are provided at the rear end of the urinary catheter. The urinary catheter, the water injection tube, the fixing tube, and the drainage tube are integrally formed. The fixing tube is connected with a fixing joint. The guiding catheter is provided with a first side hole, and the outer peripheral wall of the urinary catheter is provided with an airbag and a second side hole.

[0008] Preferably, the fixing joint includes a joint tube provided on the fixing tube. A threaded tube is provided on the joint tube, and a nut is provided on the threaded tube.

[0009] Preferably, the joint tube includes a pipe and a frustum-shaped joint provided on the pipe. The threaded tube is connected to the frustum-shaped joint.

[0010] Preferably, hydrophilic coatings are provided on both the inner surface and the outer surface of the urinary catheter and the guiding catheter.

[0011] Preferably, the guiding catheter includes a tube body and an arc-shaped tip provided at the front end of the tube body. The arc-shaped tip and the tube body are integrally formed, and the first side hole is provided on the tube body.

[0012] (III) Technical effects to be achieved

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] Firstly, a guiding catheter is provided at the front end of the urinary catheter of the present utility model. A water injection tube, a fixing tube, and a drainage tube are provided at the rear end of the urinary catheter. The urinary catheter, the water injection tube, the fixing tube, and the drainage tube are integrally formed. The fixing tube is connected with a fixing joint. The guiding catheter is provided with a first side hole, and the outer peripheral wall of the urinary catheter is provided with an airbag and a second side hole. This not only eliminates the need for wire guidance, is more conducive to the use of patients with urethral malformation and stricture, is beneficial to reducing injuries, and is also beneficial to faster recovery. Moreover, the structure is simple, facilitating production and manufacturing, and is also beneficial to operation and implementation.

[0015] Secondly, the urinary catheter, the water injection tube, the fixing tube, and the drainage tube of the present utility model are integrally formed, greatly improving the firmness and sealing performance of the structure. Description of the drawings

[0016] Figure 1 It is a schematic structural diagram of the present utility model.

[0017] Figure 2 It is a schematic diagram of an embodiment of the present utility model.

[0018] Figure 3 It is Figure 2 a partial enlarged schematic diagram at position in.

[0019] In the figure: 1, urinary catheter; 2, guiding tube; 3, fixing tube; 4, drainage tube; 5, drainage tube; 6, fixing joint; 11, airbag; 12, second side hole; 21, first side hole; 22, tube body; 23, arc-shaped tip; 61, joint tube; 62, threaded tube; 63, nut; 64, outlet tube; 611, pipeline; 612, frustum-shaped joint. Detailed implementation manners

[0020] In the description of the present utility model, it should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0021] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of this utility model is usually placed during use. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present utility model. In addition, terms such as "first", "second", "third", etc. are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless otherwise specifically defined. The meaning of "several" is one or more, unless otherwise specifically defined.

[0022] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and limited, the terms "set", "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0023] To make the objectives, technical solutions, and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. However, it should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the scope of the present utility model. In addition, in the following description, the descriptions of well-known structures and technologies are omitted to avoid unnecessarily confusing the concepts of the present utility model.

[0024] Embodiment 1: Refer to Figure 1 , Figure 2 and Figure 3 , a urinary catheter for patients with urethral malformation and stricture, including a urinary catheter 1, a guiding catheter 2 is provided at the front end of the urinary catheter 1, a water injection tube 3, a fixing tube 4, and a drainage tube 5 are provided at the rear end of the urinary catheter 1. The urinary catheter 1, the water injection tube 3, the fixing tube 4, and the drainage tube 5 are integrally formed, greatly improving the firmness and sealing performance of the structure. The fixing tube 4 is connected with a fixing joint 6. A first side hole 21 is provided on the guiding catheter 2, and an airbag 11 and a second side hole 12 are provided on the outer peripheral wall of the urinary catheter 1. This eliminates the need for wire guidance, making it more beneficial for patients with urethral malformation and stricture to use, reducing damage and facilitating faster recovery. Moreover, its design is more reasonable, facilitating production, manufacturing, and installation.

[0025] Embodiment 2: It can be described based on Embodiment 1. As shown in Figure 1 and Figure 2 , the fixing joint 6 includes a joint tube 61 provided on the fixing tube 4. A threaded tube 62 is provided on the joint tube 61, and a nut 63 is provided on the threaded tube 62. This can connect a threaded drainage bag through the threaded tube 62, and the nut 63 is used for locking, which is more beneficial for connecting with the drainage bag and is suitable for special patients. It should be noted that the joint tube 61 includes a pipe 611 and a frustum-shaped joint 612 provided on the pipe 611. The frustum-shaped joint 612 is connected with the threaded tube 62. This setting is reasonable and easy to implement.

[0026] Embodiment 3: It can be described based on Embodiment 1 or Embodiment 2. Hydrophilic coatings are provided on both the inner and outer surfaces of the urinary catheter 1 and the guiding catheter 2. This setting is more beneficial for improving the lubrication effect and making the use safer and more reliable.

[0027] Embodiment 4: It can be described based on Embodiment 1 or Embodiment 2 or Embodiment 3. As shown in Figure 1 , Figure 2 and Figure 3As shown, the guiding tube 2 includes a tube body 22 and an arc-shaped tip 23 provided at the front end of the tube body 22. The arc-shaped tip 23 is integrally formed with the tube body 22, and a first side hole 21 is provided on the tube body 22, which is beneficial to the smooth flow of urine. In the present utility model, the design of the guiding tube 2 can be directly used for catheterization, and the rear end of the guiding tube 2 can be provided with a pointed part, which is beneficial for the pointed part at the rear end of the guiding tube 2 to be inserted into the catheter 1. The length of the guiding tube 2 is greater than the length of the catheter 1 (not marked in the figure), which is convenient for implementation and use.

[0028] The standard parts used in this application document can all be purchased from the market. The specific connection methods of each part all adopt conventional means such as mature threads in the prior art, and no specific description will be made here.

[0029] It should be noted that although the above embodiments have been described in this article, the patent protection scope of the present utility model is not limited thereby. Therefore, based on the innovative concept of the present utility model, any changes and modifications made to the embodiments described in this article, or equivalent structural or equivalent process transformations made by using the content of the specification and drawings of the present utility model, and directly or indirectly applying the above technical solutions to other related technical fields, are all included in the patent protection scope of the present utility model.

Claims

1. A urinary catheter for use with patients with urethral deformity and stenosis, comprising a urinary catheter (1), characterized in that: The front end of the urinary catheter (1) is provided with a guide tube (2), and the rear end of the urinary catheter (1) is provided with a water injection tube (3), a fixing tube (4) and a drainage tube (5); the urinary catheter (1) and the water injection tube (3), the fixing tube (4) and the drainage tube (5) are all integrally formed; the fixing tube (4) is connected with a fixing joint (6); the fixing joint (6) is provided with a first side hole (21) on the guide tube (2), and the outer peripheral wall of the urinary catheter (1) is provided with an air bag (11) and a second side hole (12).

2. The urinary catheter for patients with urethral deformity and stenosis as claimed in claim 1, characterized in that: The fixed joint (6) comprises a joint pipe (61) arranged on the fixed pipe (4), a threaded pipe (62) being arranged on the joint pipe (61), and a nut (63) being arranged on the threaded pipe (62).

3. The urinary catheter for patients with urethral deformity and stenosis as claimed in claim 2, characterized in that: The joint pipe (61) comprises a pipeline (611) and a truncated cone-shaped joint (612) arranged on the pipeline (611), and the threaded pipe (62) is connected to the truncated cone-shaped joint (612).

4. The urinary catheter for patients with urethral deformity and stenosis as claimed in claim 1, 2 or 3, characterized in that: The inner surface and the outer surface of the urinary catheter (1) and the guide tube (2) are both provided with a hydrophilic coating.

5. The urinary catheter for patients with urethral deformity and stenosis as claimed in claim 1, 2 or 3, characterized in that: The guide tube (2) comprises a tube body (22) and an arc-shaped tip (23) arranged at the front end of the tube body (22); the arc-shaped tip (23) and the tube body (22) are integrally formed; and the tube body (22) is provided with the first side hole (21).

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