Urine expanding tube

Abstract

The utility model relates to a urine dilation tube which comprises a slender tube body, and the tube body comprises a handheld portion, a straight tube portion and a bent portion. One end of the straight tube part is connected with the handheld part, the other end of the straight tube part is connected with the bent part, the handheld part, the straight tube part and the bent part are integrally formed at a time, the bent part is constructed into a bent structure, the central part of the tube body is hollowed out, the outer side wall of the tube body is provided with a slotting structure in the axis direction of the tube body, and the catheter can be conveniently taken out through the design.

Description

Technical Field

[0001] The present disclosure relates to the technical field of medical equipment, and in particular to a urine dilation catheter. Background Art

[0002] Urethral stricture is a common disease of the urinary system, more common in men. Clinically, congenital urethral stricture and acquired urethral stricture are common. Among acquired urethral strictures, inflammatory urethral stricture and traumatic urethral stricture are common. Pathologically, the extent, depth and length of urethral stricture vary greatly. Usually there is only one stricture, while gonorrheal stricture may be multiple strictures. Strictures may be secondary to infection, forming urethral diverticula, periurethritis, prostate or epididymo-orchitis. Since urine flow obstruction cannot be relieved for a long time, it may eventually cause hydronephrosis, and severe cases may lead to renal damage and secondary uremia.

[0003] Using a urethral dilator to dilate the urethra is a common method for treating urethral strictures. The stricture is expanded by the expansion of the dilator. At the same time, with the development of urology, equipment such as catheters are also used in routine examinations in urology. At this time, a urethral dilator is needed. There are many types of urethral dilators, including metal urethral dilators, hollow urethral dilators or metal urethral dilators combined with filamentary probes. The third type is currently used more, but the guide wire is not easy to insert into the narrow urethra, and if the guide metal rod is not firmly connected after passing through, it may fall off and fall into the bladder. In addition, the purpose of the urethral dilator is mostly to implant the catheter into the bladder, and the urethral dilator needs to be removed. At the same time, the functions of the catheter are gradually increasing, and its proximal end may be connected to different instruments and have multiple branches, which makes it more difficult to remove the catheter. Utility Model Content

[0004] In order to overcome the defect that the existing urethral dilator is inconvenient to remove, the present invention provides a urinary dilator, including a slender tube body, wherein the tube body includes a hand-held part, a straight tube part and a curved part; one end of the straight tube part is connected to the hand-held part, and the other end is connected to the curved part, the hand-held part, the straight tube part and the curved part are integrally formed at one time, the curved part is constructed into a curved structure, the central part of the tube body is hollowed out, and the outer side wall of the tube body is provided with a groove structure along the axial direction of the tube body.

[0005] As a preferred embodiment, the groove structure of the tube body passes through the inner side surface of the curved portion.

[0006] More preferably, the first side surface and the second side surface of the hand-held portion of the tube body are configured to be flat.

[0007] More preferably, the curved portion of the tube is bent 3-4 cm away from the distal end.

[0008] More preferably, the curved portion is configured as a curved surface structure.

[0009] More preferably, the angle between the curved portion and the straight tube portion is 160°-170°.

[0010] More preferably, the inner diameter of the tube is 6-10 mm.

[0011] More preferably, the tube wall thickness of the tube body is 1-2 mm.

[0012] More preferably, the curved portion of the tube body gradually tapers toward the distal end.

[0013] More preferably, the tube body is made of any one or more of stainless steel, titanium alloy, pure titanium, ultra-high molecular weight polyethylene (UHMWPE), ABS, PVC, PE, PP, PS, K resin, PC, PTFE, and TPU.

[0014] Advantages of the present disclosure:

[0015] 1. The urinary dilator is smoothly lubricated during insertion, and the curved part is an arc structure to reduce discomfort.

[0016] 2. The side wall of the urinary dilator is set as a slotted structure, which makes it easy to separate and pull out the urinary catheter from the urinary dilator, which is convenient for operation and reduces damage to the urethra. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The present invention is a schematic structural diagram of a urine dilation tube according to an embodiment of the present invention.

[0018] Figure 2 The left figure is a front view of a urine dilation tube according to a disclosed embodiment, and the right figure is a cross-sectional view of AA in the left figure, and above it are cross-sectional views in the directions of BB and CC.

[0019] Attached Figure 3 This is a schematic diagram of a urine dilation tube during separation according to an embodiment of the present disclosure.

[0020] The markings in the accompanying drawings are: 1-tube body; 11-handle portion; 12-straight tube portion; 13-bend portion; 111-first side surface; 112 second side surface. DETAILED DESCRIPTION

[0021] The present disclosure is further described below in conjunction with the accompanying drawings and embodiments.

[0022] In addition, it should be noted that in the description of the embodiments of the present application, unless otherwise explicitly defined, "distal" refers to the direction away from the medical staff, "proximal" refers to the direction close to the medical staff, "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

[0023] like Figure 1-3 As shown, the present disclosure provides a urine dilation tube, including a slender tube body 1, which can be made of a variety of materials, including a hand-held portion 11, a straight tube portion 12 and a curved portion 13, and the two ends of the straight tube portion 12 are respectively connected to the hand-held portion 11 and the curved portion 13, and the hand-held portion 11, the straight tube portion 12 and the curved portion 13 are a one-time integrally formed structure. The proximal end of the tube body 1 is the hand-held portion 11, and the distal end is the curved portion 13. The hand-held portion is also set to a flat shape, which is convenient for medical staff to hold. The proximal end of the tube body is constructed into a curved structure, which is the curved portion 13 of the tube body 1. As a guide end, it is easier to intervene in the patient's urethra. The central part of the tube body 1 is set as a hollow structure and a slotted structure is set in the axial direction of the tube body 1. The hollow design is to assist the urinary catheter to enter the urethra from the tube body 1. After reaching the bladder, the urine dilation tube needs to be removed and the urinary catheter is left in place. At this time, it is only necessary to gently separate the urinary catheter and the tube body 1 at the opening side of the hand-held portion 12. The slotted structure is to facilitate the subsequent removal of the tube body 1.

[0024] As a specific example, Figure 1 As shown, the groove structure of the outer wall of the tube body 1 passes through the inner side of the curved portion 12, where the inner side refers to the side with a smaller angle formed by the straight tube section 12 and the curved portion 13. When it is determined that the front end of the urinary catheter has successfully reached the bladder, the urinary catheter needs to be left in place and the urinary dilator needs to be removed. Figure 3 As shown, before separation, the catheter is in the hollow structure of the tube body 1. During separation, the catheter and the tube body 1 of this embodiment are separated from the hand-held portion 11, and the tube body 1 is slowly pulled out of the urethra until it is completely separated, which makes the operation more convenient.

[0025] In another specific embodiment, Figure 2 As shown, the first side surface 111 and the second side surface 112 of the hand-held portion 11 of the tube body 1 are set to be flat, which is formed for cutting. BB is a cross-sectional view of the tube body 1 in the BB direction, that is, a cross-sectional view of the hand-held portion 11. When the catheter is placed in the tube body 1 of this embodiment, it is convenient for medical staff to hold it. The distal end of the tube body 1 is constructed into a curved structure as the curved portion 13 of the tube body 1. The distal end of the curved portion 13 is the end away from the medical staff, that is, the end entering the urethra. It is bent at a distance of 3-4 cm from the distal end of the tube body 1. The angle between the curved portion 13 and the straight tube portion 12 is 160°-170°. At the same time, the curved portion 13 is also set to a curved surface structure. The curved portion 13 is used as one end of the patient's urethra. When the tube body 1 enters the patient's urethra, the curved surface with a certain degree of curvature is more in line with the physiological urethra of the human body, reducing the patient's discomfort and making it easier to introduce. Further, CC is a cross-sectional view of the tube body 1 in the CC direction, that is, a cross-sectional view of the straight tube portion 12.

[0026] In some embodiments, the inner diameter of the tube body 1 is set at 6-10mm, which can be adapted to a variety of catheters and can assist in placing catheters of multiple outer diameters in the urethra. The tube wall thickness of the tube body 1 is 1-2mm, and the tube body gradually becomes thinner from the curved portion 13 of the tube body 1 to the distal end, which facilitates the placement of the tube body 1 into the urethra. This thinning is only a change in the tube wall thickness, while the inner diameter remains unchanged.

[0027] In some embodiments, the tube body 1 can be made of any one or more common materials on the market, such as stainless steel, titanium alloy, pure titanium, ultra-high molecular weight polyethylene (UHMWPE), ABS, PVC, PE, PP, PS, K resin, PC, PTFE, and TPU.

[0028] How to facilitate the removal of the urinary catheter by the structural design of the urine dilation tube in some of the above embodiments:

[0029] When performing urethra-related surgeries, a urinary catheter needs to be placed in the urethra. First, the curved portion 13 of the tube body 1 is inserted into the urethra through the patient's urethral external opening. The angle between the curved structure of the curved portion 13 and the tube body is 160°-170°, and it is a curved surface structure, which reduces the patient's discomfort during insertion. The inner diameter of the tube body 1 ranges from 6 to 10 mm, and catheters of different specifications with a diameter of less than 10 mm can be used with the present disclosure. After the urine dilator is successfully placed in the urethra, the required urinary catheter is passed from the handheld portion 11 of the tube body 1 through the hollow structure to the bladder. At this time, the urinary catheter needs to be left in the urethra and the tube body 1 is taken out. A common urinary catheter head end is provided with an air bag, which is inflated after the position of the catheter is determined to fix the urinary catheter in the bladder and prevent it from being easily detached. Figure 3 This is a simple schematic diagram of the present disclosure before and after separation. At this time, the medical staff holds the handheld portion 11, and then gently separates the urinary catheter from the tube body 1 at the groove structure of the handheld portion 11. The position of the urinary catheter remains unchanged, and the urinary dilator is slowly pulled out until it is completely separated. The urinary catheter is placed and the urinary dilator can be easily removed.

[0030] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in the field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, any simple transformation of the utility model should be within the scope of protection determined by the claims.

Claims

1. A urine dilation tube, comprising a slender tube body (1), characterized in that: The tube body (1) comprises a hand-held portion (11), a straight tube portion (12) and a curved portion (13); one end of the straight tube portion (12) is connected to the hand-held portion (11), and the other end is connected to the curved portion (13); the hand-held portion (11), the straight tube portion (12) and the curved portion (13) are integrally formed at one time; the curved portion (13) is configured as a curved structure; the central portion of the tube body (1) is hollowed out, and the outer side wall of the tube body (1) is provided with a groove structure along the axial direction of the tube body (1).

2. The urine dilation catheter according to claim 1, characterized in that: The slotted structure of the tube body (1) passes through the inner side surface of the curved portion (13).

3. The urine dilation catheter according to claim 1, characterized in that: The first side surface (111) and the second side surface (112) of the hand-held portion (11) of the tube body (1) are arranged to be flat.

4. The urine dilation catheter according to claim 1, characterized in that: The curved portion (13) of the tube body (1) is curved at a position 3-4 cm away from the distal end.

5. The urine dilation catheter according to claim 4, characterized in that: The curved portion (13) is configured as a curved surface structure.

6. The urine dilation catheter according to claim 4, characterized in that: The included angle between the curved portion (13) and the straight tube portion (12) is 160°-170°.

7. The urine dilation catheter according to claim 1, characterized in that: The inner diameter of the tube body (1) is 6-10 mm.

8. The urine dilation catheter according to claim 1, characterized in that: The wall thickness of the tube body (1) is 1-2 mm.

9. The urine dilation catheter according to claim 8, characterized in that: The curved portion (13) of the tube body (1) gradually tapers towards the distal end.

10. The urine dilation catheter according to any one of claims 1 to 9, characterized in that: The tube body (1) is made of any one or more of stainless steel, titanium alloy, pure titanium, ultra-high molecular weight polyethylene, ABS, PVC, PE, PP, PS, K resin, PC, PTFE, and TPU.

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