Urethral probe for indwelling catheter
By designing the urethral probes of the flexible probe tube and the flexible guide tube, using metal support rings and fluid conduction holes, the urethral damage and infection caused by the rough and hard diameter of the metal probe is solved, and the success rate of catheter is improved.
Patent Information
- Application Number
- CN202421988419.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-16
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-08-16
AI Technical Summary
The metal probes with existing indwelling catheters are rough and hard in diameter, which can easily cause urethra damage, bleeding and infection.
A urethral probe is designed including a flexible probe tube and a flexible wire guide tube. A flexible probe tube is provided with a flexible wire guide tube. Both are supported by multiple sets of metal support rings. The head of the flexible probe tube is equipped with a fluid guide hole. The metal guide wire enters the flexible guide tube and supports it to prevent the flexible probe tube from bending.
Through the use of flexible support structures and lubricant, the risk of damage and infection to the urethra is reduced and the success rate of catheter is improved.
Smart Images

Figure CN223054881U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical devices, in particular to a urethral sound for indwelling catheters. Background Technique
[0002] Catheterization is widely used in emergency departments, outpatient clinics and the perioperative period of hospitalization, and is a commonly used treatment method. However, as a routine operation, there are always a large number of difficult catheterization situations in clinical practice. Catheterization is an invasive operation that requires inserting a catheter into the human urethra.
[0003] The existing indwelling catheters used for catheterization are too soft and cannot be directly inserted into difficult urethras. When using a metal sound to insert an indwelling catheter, the metal sound has a thick diameter and is relatively hard, which is likely to cause false passages, damage physiological structures, or cause urethral rupture, bleeding, infection, etc. Summary of the Utility Model
[0004] I. Technical Problems to be Solved
[0005] The technical problem to be solved by the utility model is that when using a metal sound to insert an indwelling catheter, the metal sound has a thick diameter and is relatively hard, which is likely to cause urethral damage, damage physiological structures, or cause urethral rupture, bleeding, infection, etc.
[0006] II. Technical Solutions
[0007] To solve the above technical problems, the technical solution provided by the utility model is: a urethral sound for indwelling catheters, including a flexible sound tube, the flexible sound tube penetrates into the catheter, a flexible guide wire tube is arranged on the inner wall of the flexible sound tube, the tail end of the flexible guide wire tube penetrates out from one side of the tail end of the flexible sound tube, and a metal guide wire is inserted into the flexible guide wire tube;
[0008] A plurality of groups of metal support rings are respectively arranged inside the side walls of the flexible sound tube and the flexible guide wire tube, and a plurality of groups of liquid guide holes are arranged at the head of the flexible sound tube.
[0009] As an improvement, the flexible sound tube and the flexible guide wire tube are of an integral structure and are coated outside a plurality of groups of metal support rings.
[0010] As an improvement, the head of the flexible sound tube is of a hemispherical structure, and a connecting cylinder is connected to the tail of the flexible sound tube.
[0011] As an improvement, the diameter of the connecting cylinder is 0.21 - 0.51 mm.
[0012] As an improvement, the tail of the flexible guide wire tube is communicated with an insertion cylinder, the tail of the metal guide wire is connected with a pull ring, and the front part of the pull ring is inserted into the insertion cylinder.
[0013] III. Beneficial Effects
[0014] The advantages of the present utility model compared with the prior art are as follows: The flexible probe tube and the flexible guide wire tube are supported by multiple groups of metal support rings to prevent deformation during use. Lubricating fluid enters the interior of the flexible probe tube and is discharged through the liquid guide holes, facilitating the insertion of the urinary catheter. The metal guide wire enters the interior of the flexible guide wire tube, and the flexible probe tube is supported by the metal guide wire to prevent large bending of the flexible probe tube, which may affect the insertion of the flexible probe tube into the urethra. The flexible probe tube can prevent damage, bleeding, and infection to the urethra. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 is an exploded structural schematic diagram of a urethral probe for indwelling urinary catheter of the present utility model.
[0016] Figure 2 is an overall structural schematic diagram of a urethral probe for indwelling urinary catheter of the present utility model.
[0017] Figure 3 is an internal structural schematic diagram of the flexible material tube of a urethral probe for indwelling urinary catheter of the present utility model.
[0018] Figure 4 is an installation structural schematic diagram of the metal support ring of a urethral probe for indwelling urinary catheter of the present utility model.
[0019] As shown in the figure: 1. Flexible probe tube; 2. Urinary catheter; 3. Metal guide wire; 4. Flexible guide wire tube; 5. Metal support ring; 6. Connecting cylinder; 7. Insertion cylinder; 8. Pulling ring; 9. Liquid guide hole. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments; based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0021] As shown in the Figure 1 and Figure 2 and Figure 3 figures, a urethral probe for indwelling urinary catheter includes a flexible probe tube 1, the flexible probe tube 1 penetrates into the interior of the urinary catheter 2, a flexible guide wire tube 4 is provided on the inner wall of the flexible probe tube 1, the tail end of the flexible guide wire tube 4 penetrates out from one side of the tail end of the flexible probe tube 1, and a metal guide wire 3 is inserted into the interior of the flexible guide wire tube 4;
[0022] A plurality of metal support rings 5 are respectively provided inside the side walls of the flexible probe tube 1 and the flexible guide wire tube 4.
[0023] With the above structure, the flexible probe tube 1 and the flexible guide wire tube 4 are supported by a plurality of metal support rings 5 to ensure that the interiors of the flexible probe tube 1 and the flexible guide wire tube 4 remain unobstructed. The metal guide wire 3 is passed through the flexible guide wire tube 4, and the flexible probe tube 1 is supported by the metal guide wire 3 to prevent the flexible probe tube 1 from bending at a large angle. The urinary catheter 2 is sleeved outside the flexible probe tube 1. The specific structure is as follows:
[0024] Combined with the attached Figure 3 and the attached Figure 4 As shown, the flexible probe tube 1 and the flexible guide wire tube 4 are of an integral structure and are coated outside a plurality of metal support rings 5.
[0025] With the above structure, the flexible probe tube 1 and the flexible guide wire tube 4 are an integral whole and will not separate.
[0026] Combined with the attached Figure 1 As shown, the head of the flexible probe tube 1 is of a hemispherical structure. The tail of the flexible probe tube 1 is connected with a connecting cylinder 6. The diameter of the connecting cylinder 6 is between 0.21 - 0.51 mm. A plurality of liquid guide holes 9 are provided at the head of the flexible probe tube 1.
[0027] With the above structure, the head of the liquid delivery syringe is inserted into the inside of the connecting cylinder 6, and the lubricating liquid is sent into the flexible probe tube 1 through the liquid delivery syringe, and the lubricating liquid is discharged through a plurality of liquid guide holes 9.
[0028] Combined with the attached Figure 1 As shown, the tail of the flexible guide wire tube 4 is communicated with an insertion cylinder 7. The tail of the metal guide wire 3 is connected with a pull ring 8, and the front part of the pull ring 8 is inserted into the inside of the insertion cylinder 7.
[0029] With the above structure, it is convenient to take the metal guide wire 3 through the pull ring 8, and it is convenient to send the metal guide wire 3 into and out of the flexible guide wire tube 4.
[0030] The specific usage method is as follows: The lubricating liquid is discharged to the outside of the head of the flexible probe tube 1 through a plurality of liquid guide holes 9. The urinary catheter 2 is sleeved from the head of the flexible probe tube 1 to the outside of the flexible probe tube 1, so that the urinary catheter 2 can slide while being in close contact with the flexible probe tube 1. First, the head of the flexible probe tube 1 is passed into the urethra, and then the urinary catheter 2 is sent along the flexible probe tube 1 into the urethra.
[0031] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.
[0032] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
[0033] The above description of the present invention and its implementation manners is not restrictive. What is shown in the drawings is only one of the implementation manners of the present invention, and the actual structure is not limited thereto. Generally speaking, if those of ordinary skill in the art are inspired by it and design similar structural modes and embodiments without creative efforts without departing from the purpose of the present invention, they shall fall within the protection scope of the present invention.
Claims
1. A urethral sound for indwelling catheter, comprising a flexible sound tube (1), characterized in that: The flexible probe tube (1) is inserted into the inside of the catheter (2). A flexible guide wire tube (4) is provided on the inner wall of the flexible probe tube (1). The tail end of the flexible guide wire tube (4) penetrates out from one side of the tail end of the flexible probe tube (1). A metal guide wire (3) is inserted into the flexible guide wire tube (4). Multiple groups of metal support rings (5) are respectively provided inside the side walls of the flexible probe tube (1) and the flexible guide wire tube (4). Multiple groups of liquid guide holes (9) are provided at the head of the flexible probe tube (1).
2. The urethral sound for indwelling catheter according to claim 1, wherein: The flexible probe tube (1) and the flexible guide wire tube (4) are of an integral structure and are coated outside multiple groups of metal support rings (5).
3. The urethral sound for indwelling catheter according to claim 1, wherein: The head of the flexible probe tube (1) is of a hemispherical structure. A connecting cylinder (6) is connected to the tail of the flexible probe tube (1).
4. The urethral sound for indwelling catheter according to claim 3, wherein: The diameter of the connecting cylinder (6) is 0.21 - 0.51 mm.
5. The urethral sound for indwelling catheter according to claim 1, characterized in that: The tail of the flexible guide wire tube (4) communicates with an insertion cylinder (7). The tail of the metal guide wire (3) is connected to a pull ring (8). The front part of the pull ring (8) is inserted into the insertion cylinder (7).