Bladder plugging device
By using a bladder occluder woven with shape memory wire, combining internal expanding silicone and sealing silicone, and utilizing a one-way inflatable expansion support mechanism, the problem of urine leakage in bladder occluders is solved, achieving a better sealing effect.
Patent Information
- Application Number
- CN202423122591.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2034-12-18
AI Technical Summary
During the use of existing bladder occluders, a small amount of urine still enters the vagina through the fistula, and the occlusion effect needs to be improved.
An occluder woven from shape memory metal wire was designed. The inner wall is lined with an inner expansion silicone and a sealing silicone. Combined with a one-way mechanism and a sealing silicone ring, the inner expansion silicone expands by filling it with sterile inert gas through the one-way mechanism to support the occluder and improve its sealing performance.
It significantly improves the sealing performance of bladder fistulas, prevents urine leakage, and enhances the sealing effect of the occluder.
Smart Images

Figure CN223799796U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of the plugging device for fistula, specifically a bladder plugging device. BACKGROUND
[0002] Bladder fistula refers to the partial or whole urine being discharged outside through the abnormal channel of the bladder or being discharged outside through other organs in the body, and the bladder fistula includes bladder-vaginal fistula, bladder-enteric fistula, bladder-rectal fistula, bladder-uterine fistula and bladder-skin fistula, etc., wherein the bladder-vaginal fistula caused by dystocia is the most common.
[0003] In the prior art, the plugging device can be used to plug the bladder fistula, but it is found in the use process that the plugging device can avoid most urine from entering the vagina, but there is still a small amount of urine entering the vagina through the fistula, so the plugging effect of the plugging device has room for further improvement. UTILITY MODEL CONTENT
[0004] The utility model discloses a bladder plugging device.
[0005] To achieve the above object, the utility model provides the following technical scheme: a bladder plugging device, including the plugging device that is woven by a plurality of memory metal wires, the inner wall of the plugging device is provided with inner inflation silica gel, the outer wall middle section of the plugging device is fixedly installed with sealing silica gel, the bottom of the connecting mouth is provided with the butt joint hole that is recessed upwards, the inner wall bottom of the connecting mouth is fixedly installed with the inner tube that is aligned with the butt joint hole, the inner wall of the inner tube is installed with the one-way mechanism.
[0006] As a further scheme of the utility model: the one-way mechanism includes the inner tube that is integrally formed on the inner wall bottom of the connecting mouth and protrudes upwards, the bottom opening of the inner tube is aligned with the butt joint hole, and a transition taper surface is formed between the inner wall below the inner tube and the inner wall of the butt joint hole.
[0007] As a further scheme of the utility model: the one-way mechanism includes the inner tube that is integrally formed on the inner wall bottom of the connecting mouth and protrudes upwards, the bottom opening of the inner tube is aligned with the butt joint hole, and a transition taper surface is formed between the inner wall below the inner tube and the inner wall of the butt joint hole.
[0008] As a further scheme of the utility model: the one-way mechanism further includes the plugging ball that is clamped to the inner wall of the inner tube, the outer peripheral top end of the plugging ball is integrally formed with the sliding rod that penetrates above the top plate of the inner tube, the top end of the sliding rod is integrally formed with the anti-dropping plate, the spring is abutted between the bottom end of the top plate of the inner tube and the plugging ball, and the spring is sleeved on the outer wall of the sliding rod.
[0009] As a further scheme of the utility model: a plurality of air holes are equidistantly arranged on the inner wall of the inner tube.
[0010] As a further scheme of the utility model: the diameter of the upper part of the inner wall of the inner tube is greater than the diameter of the lower part of the inner wall of the inner tube, and the diameter of the upper part of the inner wall of the inner tube is greater than the diameter of the blocking ball.
[0011] As a further scheme of the utility model: a sealing silica gel ring is arranged below the lower part of the inner wall of the inner tube and below the blocking ball.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] 1. By arranging the one-way mechanism, the sealing silica gel and the inner inflatable silica gel, the sealing property of the occluder to the bladder fistula can be further improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a structural schematic view of the utility model;
[0015] Figure 2 It is a structural schematic view of the utility model;
[0016] Figure 3 It is a structural schematic view of the utility model; Figure 2 It is a local enlarged view of A in the middle.
[0017] In the drawing: 1, occluder; 2, inner inflatable silica gel; 3, sealing silica gel; 4, connecting nozzle; 5, butt joint hole; 6, inner tube; 7, air hole; 8, sliding rod; 9, blocking ball; 10, spring; 11, sealing silica gel ring. DETAILED DESCRIPTION
[0018] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the protection scope of the utility model.
[0019] Please refer to Figures 1-3The utility model discloses an embodiment of a bladder plugging device, which comprises a plugging device 1 woven by a plurality of memory wires, an inner inflation silica gel 2 arranged on the inner wall of the plugging device 1, a sealing silica gel 3 fixedly installed on the middle section of the outer wall of the plugging device 1, a connecting nozzle 4 fixedly installed at the bottom end of the plugging device 1, a docking hole 5 concave upward arranged at the bottom end of the connecting nozzle 4, an inner tube 6 fixedly installed on the inner wall of the bottom end of the connecting nozzle 4 and aligned with the docking hole 5, and a one-way mechanism installed on the inner wall of the inner tube 6.
[0020] In the embodiment, first, the device is placed behind the fistula, and the plugging device 1 woven by the memory wires is reset to plug the two ends of the fistula, the reset plugging device 1 drives the sealing silica gel 3 to adhere to the edge of the fistula, thereby forming a better plugging effect, then the inflation pipeline is connected with the docking hole 5, after the connection is completed, the one-way mechanism is used to fill the sterile inert gas into the inner wall of the inner inflation silica gel 2, and the inner inflation silica gel 2 is inflated to support the inner wall of the reset plugging device 1, thereby preventing the reset plugging device 1 from deforming after the installation is completed, and better plugging effect is achieved.
[0021] Please refer to Figure 2 and Figure 3 The one-way mechanism comprises the inner tube 6 integrally formed on the inner wall of the bottom end of the connecting nozzle 4 and protruding upward, the bottom end of the inner tube 6 is aligned with the docking hole 5, a transition taper surface is formed between the inner wall of the bottom end of the inner tube 6 and the inner wall of the docking hole 5, the one-way mechanism further comprises a plugging ball 9 clamped on the inner wall of the inner tube 6, a sliding rod 8 integrally formed on the outer periphery of the top end of the plugging ball 9 penetrates the top plate of the inner tube 6, a anti-falling plate is integrally formed on the top end of the sliding rod 8, a spring 10 is abutted between the bottom end of the top plate of the inner tube 6 and the plugging ball 9, and the spring 10 is sleeved on the outer wall of the sliding rod 8.
[0022] In the embodiment, after the plugging device 1 is reset at the fistula position, the inflation pipeline is connected with the docking hole 5, the inflation pipeline is inserted into the inner wall of the inner tube 6 through the transition taper surface, then the sterile inert gas is filled, the inner pressure of the inner tube 6 increases, at this time, the gas pressure drives the plugging ball 9 to move upward, the plugging ball 9 moves upward to drive the top plate of the inner tube 6 and the sliding rod 8 to slide relatively, and at this time, the spring 10 is compressed, the sterile inert gas can enter the inner wall of the inner inflation silica gel 2, the inner inflation silica gel 2 supports the inner wall of the plugging device 1 after inflation, the plugging device 1 is better clamped at the fistula position, and better plugging effect is achieved.
[0023] It should be noted that the surface of the plugging ball 9 is coated with a sealing glue layer, thereby achieving better sealing effect.
[0024] Please refer to Figure 3The top end plate of the inner tube 6 is internally provided with a plurality of air holes 7 at equal intervals in the circumferential direction, and a circular hole is formed in the center of the top end plate of the inner tube 6 for the sliding rod 8 to slide up and down, the diameter of the upper inner wall of the inner tube 6 is greater than the diameter of the lower inner wall of the inner tube 6, and the diameter of the upper inner wall of the inner tube 6 is greater than the diameter of the blocking ball 9.
[0025] In the embodiment, when the blocking ball 9 moves upward, at this time, the gas can pass through the inner tube 6 and enter the inner inflatable silica gel 2 through the air holes 7.
[0026] Please pay attention to Figure 3 The lower inner wall of the inner tube 6 is provided with a sealing silica gel ring 11 below the blocking ball 9.
[0027] In the embodiment, the sealing silica gel ring 11 can be arranged to prevent the gas from moving outward after the pipeline is inserted into the inner wall of the inner tube 6, and only the gas can flow to the inner wall of the inner inflatable silica gel 2.
[0028] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A bladder occluder comprising an occluder (1) woven from a plurality of memory wires, characterized in that, The inner wall of the occluder (1) is provided with an inner inflatable silica gel (2), the middle section of the outer wall of the occluder (1) is fixedly installed with a sealing silica gel (3), the bottom end of the occluder (1) is fixedly installed with a connecting nozzle (4), the bottom end of the connecting nozzle (4) is provided with an upwardly recessed butt joint hole (5), the inner wall bottom end of the connecting nozzle (4) is fixedly installed with an inner tube (6) aligned with the butt joint hole (5), and the inner wall of the inner tube (6) is installed with a one-way mechanism.
2. A bladder occluder according to claim 1, wherein, The one-way mechanism comprises an inner tube (6) integrally formed on the inner wall bottom end of the connecting nozzle (4) and protruding upwardly, the bottom end opening of the inner tube (6) is aligned with the butt joint hole (5), and a transition conical surface is formed between the inner wall of the inner tube (6) and the inner wall of the butt joint hole (5).
3. A bladder occluder according to claim 2, wherein, The one-way mechanism further comprises a blocking ball (9) clamped on the inner wall of the inner tube (6), an outer peripheral top end of the blocking ball (9) is integrally formed with a sliding rod (8) penetrating above the top plate of the inner tube (6), a top end of the sliding rod (8) is integrally formed with an anti-dropping plate, a spring (10) is abutted between the bottom end of the top plate of the inner tube (6) and the blocking ball (9), and the spring (10) is sleeved on the outer wall of the sliding rod (8).
4. A bladder occluder according to claim 3, wherein, A plurality of air holes (7) are equidistantly arranged on the inner wall of the top plate of the inner tube (6), and a circular hole is arranged at the center of the top plate of the inner tube (6) for the sliding rod (8) to slide up and down.
5. A bladder occluder according to claim 4, wherein, The diameter of the inner wall of the inner tube (6) above is greater than the diameter of the inner wall of the inner tube (6) below, and the diameter of the inner wall of the inner tube (6) above is greater than the diameter of the blocking ball (9).
6. A bladder occluder according to claim 5, wherein, A sealing silica gel ring (11) is installed below the blocking ball (9) on the inner wall below of the inner tube (6).