CN217548627U

CN217548627U - Leak-proof catheter

Info

Publication number: CN217548627U
Application number: CN202122704685.6U
Authority: CN
Inventors: 张耀光; 王建业; 刘晓东
Original assignee: Beijing Hospital
Current assignee: Beijing Hospital
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-10-11
Anticipated expiration: 2031-11-05

Abstract

The utility model discloses a urine leakage prevention catheter, which is provided with an annular side wing structure. It is characterized by comprising a ureter body and a sacculus; wherein one side of the ureter body close to the saccule is provided with a side wing; the side wings are of protruding annular structures and protrude 2-10mm from the ureter body.

Description

Leak-proof catheter

Technical Field

The utility model relates to a leak protection catheter belongs to the medical equipment field.

Background

A urinary catheter is a tube that is inserted into the bladder through the urethra to drain urine. The catheter is a pipeline made of natural rubber, silicon rubber or polyvinyl chloride (PVC), after the catheter is inserted into the bladder, gas or sterile water for injection is injected into the balloon through the balloon opening of the catheter, the balloon is arranged near the head end of the catheter to fix the catheter to stay in the bladder and is not easy to drop, and the drainage tube is connected with a urine bag to collect urine. A common dual lumen catheter has two ports, one being a water filling channel and the other being a urine drainage channel. The life quality of the urethral catheterization patients is seriously influenced by the condition that some patients leak urine between the urethra and the gap of the outer wall of the urethral catheter for long-term use of the urethral catheter. The utility model provides a catheter with side wings to solve the problem of urine leakage.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem of the conventional hanging strip, the utility model provides a following technical scheme:

a leak-proof catheter is characterized by comprising a catheter body and a sacculus; wherein one side of the ureter body close to the saccule is provided with a side wing; the side wings are of protruding annular structures and protrude 2-10mm from the ureter body.

According to a preferred embodiment, the thickness of the side flaps is between 0.1 and 3mm.

According to a preferred embodiment, the number of said lateral wings is between 5 and 25.

According to a preferred embodiment, said lateral wings are perpendicular to the urinary catheter body.

According to a preferred embodiment, said side wings are angled at 60-90 degrees to the catheter body.

According to a preferred embodiment, the lateral wings are made of elastic material and can be deformed during insertion or extraction, so as to reduce the leakage of urine from the patient.

According to a preferred embodiment, said side wings are substantially perpendicular to the urinary catheter body.

According to a preferred embodiment, the balloon is of a hulusi configuration.

According to a preferred embodiment, the catheter is a female catheter and the side flaps are at a distance of 0-5mm from the balloon.

According to a preferred embodiment, the catheter is a male catheter and the side flap is at a distance of 1-2 cm from the balloon.

According to a preferred embodiment, a second set of wings is provided, the second set of wings being spaced 3-8 cm from the balloon.

The utility model discloses a leak protection catheter, it can avoid the urine leakage phenomenon of ordinary ureter, and the structure is fairly simple, does not have the complicated multiple structure of extra increase, patient's urine leakage phenomenon in the time of reduction clinical use that can be great.

Drawings

FIG. 1 is a schematic view of a urinary catheter;

FIG. 2 is a schematic view of the baffle plate in an inclined state;

FIG. 3 is a schematic view of a flare catheter;

fig. 4, a schematic view of a male urinary catheter.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", "vertical", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Urinary catheters are common medical devices in the clinic. Is suitable for treating urinary retention caused by lower urinary tract obstruction, and can be used for rescuing critical patients, preparing before general anesthesia operation, and irrigating bladder or bladder. Among patients with urinary retention due to lower urinary tract obstruction, a significant number of patients require a long-term indwelling catheter in the bladder. In this case, two important factors need to be considered. One is leakage of urine and the other is the risk of infection. Urine leakage is a common clinical problem, and a considerable proportion of patients have urine leakage.

Catheters are typically of the dual or triple lumen construction. One end of the catheter body is provided with a passage for facilitating the urine to enter and is also provided with a saccule. This end is inserted into the bladder along the patient's urethra. The saccule is used for fixing the catheter, preventing the catheter from slipping and also has the function of partially preventing urine leakage. However, for patients who need to use the catheter for a long time, the structure can not solve the problem of urine leakage well. Urine leakage is common when the catheter is inserted into the bladder of a patient for 3 days or more.

The utility model discloses a leak-proof catheter, which is characterized by comprising a catheter body and a sacculus; wherein a side wing is arranged on one side of the ureter body close to the saccule; the side wings are of protruding annular structures and protrude 2-10mm from the ureter body.

The utility model discloses a leak protection catheter has added the flank and has been used for preventing to leak urine. And (4) side wings.

The side wings are one or more annular protruding structures which are positioned on the catheter body and close to one side of the saccule. Also, the structure of the side flaps is important to prevent leakage of urine. The patient's experience will also be better, and generally, vertical or near vertical structures are safer. Also, the vertical structure is relatively low in resistance to insertion or extraction.

Fig. 1 is a schematic view of a urinary catheter. Wherein 101 is a sacculus, 102 is the front end of the catheter, 103 is a side wing, and 104 is a catheter body. Wherein the wings of 103 are arranged perpendicular to the catheter body. The side wings are made of the same material as the catheter body and are connected with the catheter body into a whole. The height of the side wings is 2-10mm. The thickness of the side wing is 0.1-3mm. According to a preferred embodiment, the height of the side flaps is 2-5mm and the thickness of the side flaps is 0.1-2.8mm. According to a preferred embodiment, the height of the side flaps is between 1.5 and 4mm and the thickness of the side flaps is between 0.1 and 2.5mm. According to a preferred embodiment, the height of the side flaps is 2-4.5mm and the thickness of the side flaps is 0.1-2mm. According to a preferred embodiment, the height of the side flaps is 2-5mm and the thickness of the side flaps is 0.1-1mm.

When the catheter is inserted, the side wings are made of the same material as the catheter, have good elasticity and are in a lodging state. See figure 2. When in the inserted state, the wings deform and tilt.

The thickness of the side flaps is essential. Too thin a flap does not prevent leakage of urine. Generally, the thickness of 0.1-3mm is the optimized choice according to different materials. The side flaps may be correspondingly somewhat thicker, particularly when using soft materials.

When a plurality of groups of side wings are provided, the interval between two adjacent side wings can be fixed or unfixed. Simply, it may be provided, for example, in a more dense manner closer to the balloon.

As a rule of thumb, the side flaps may be somewhat thinner, for example 0.3-1mm being one of the options. The density of the flaps may be related to their thickness. For example, the density of the flaps may be reduced when the flaps are thicker.

When there are a plurality of flanks, the shape and circumference of each flank may be different.

The utility model discloses a leak-proof catheter, which is characterized by comprising a catheter body and a sacculus; wherein one side of the ureter body close to the saccule is provided with a side wing; the side wings are of protruding annular structures and protrude 2-10mm from the ureter body.

In one way, it can be understood that the ring-shaped structure is not a complete circular ring, but is formed by a ring of a plurality of notches, or a structure of baffles distributed in a circular or spiral direction. The flap structure has the disadvantage that the retention of urine is not sufficiently pronounced when the flap is not sufficiently tight. A ring structure with gaps is a good substitute, for example, the ring structure area has 5-15 side wings, the gap position of each side wing does not form a straight line, urine is not easy to leak, and the reproduction of bacteria can be reduced. Thus, according to a preferred embodiment, the side wings are of a ring-mounted notched configuration.

The thickness of the wings can be understood, one of which is in the form of a thin upper part and a thick lower part. The closer the side wing is to the ureter body, the thicker the part of the side wing is.

According to a preferred embodiment, the side wings are 2-50 and distributed from the bulbar urethra to the middle and posterior segments of the prostatic urethra; according to a preferred embodiment, the flap structure is 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16, etc., which can be any number between 2 and 50. According to a preferred embodiment, the number of said side flaps is between 2 and 20.

According to a preferred embodiment, the side wings are angled at 60-90 degrees to the catheter body.

According to a preferred embodiment, the side flaps are of an elastic material and can be deformed during insertion or extraction.

According to a preferred embodiment, the side wings are 2-10mm from the balloon.

According to another preferred embodiment, the leakage-proof urinary catheter is characterized by comprising the following parts, a urinary catheter body and a balloon; wherein one side of the urinary catheter body, which is close to the balloon, is provided with a side wing; the side wings are of protruding annular structures and protrude 2-10mm from the ureter body; the sacculus has a gourd-shaped mouth structure.

Referring to fig. 3, the balloon 101 has a gourd-shaped mouth structure on the side away from the front end of the catheter, and has a more moderate slope than a sphere, and the included angle between the tangential direction of the balloon and the ureter direction at the joint of the balloon and the ureter is less than 45 degrees.

The gourd nozzle structure can also be called a bell mouth structure, and has a structure gradually becoming larger from small to large.

The wings etc. are arranged in the same manner as described above.

The catheter described in fig. 3 can be used as a female urinary catheter. The side wing of the female catheter is directly adjacent to the saccule, the length of the side wing covering the urinary catheter is 2-3.5 cm, and the height of the side wing is 2-5 mm.

According to another embodiment of the present invention, the male urinary catheter is shown in fig. 4. Where a distinction is made from figure 1 in that two sets of side flaps are included. One set of wings is proximal to the balloon and the other set of wings is distal (opposite) to the balloon. The first side wing is 1-2 cm away from the balloon, and the length of the side wing covering the urinary catheter is 2-4 cm. The second side wing is 3-8 cm away from the balloon and covers the urinary catheter 2-5 cm in length. The two groups of side wings protrude the ureter body by 2-10mm.

It will be appreciated by those skilled in the art that the flare configuration may be used for female catheters as well as male catheters.

It will be appreciated by those skilled in the art that the flare structure may be combined with all other designs.

It is to be understood that the angles of disposition, the number of sets, etc., of the side wings may be general, unless otherwise indicated. The description will not be repeated here.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A leak-proof catheter is characterized by comprising a catheter body and a sacculus; wherein one side of the ureter body close to the saccule is provided with a side wing; the side wings are of protruding annular structures and protrude 2-10mm from the ureter body; wherein the thickness of the side wing is 0.1-3mm; the number of the side wings is 5-25; the side wing and the urinary catheter body form an included angle of 60-90 degrees; the catheter is further provided with a second group of side wings, and the second group of side wings are 3-8 cm away from the balloon; the sacculus possesses calabash mouth structure in the one side of keeping away from the catheter front end, sacculus and ureter junction, sacculus appearance tangential direction and ureter direction contained angle are less than 45 degrees.

2. The leak resistant urinary catheter as defined in claim 1, wherein said wings are made of an elastic material and can be deformed during insertion or extraction to reduce leakage of urine from the patient.

3. The leak resistant urinary catheter of claim 1, which is a female urinary catheter, the side flap being spaced from the balloon by a distance of 0-5mm.

4. The leak resistant urinary catheter of claim 1, which is a male urinary catheter and the side flap is spaced from the balloon by a distance of 1-2 cm.