CN107280806B - Urethra urine controller - Google Patents

Abstract

The invention discloses a urethra urine controller, which comprises: a urethral stent, wherein the urethral stent is a reticular tube; a connector comprising a connector ring; a urethral valve connected with the connecting ring and forming a valve capable of controlling the opening and closing of a longitudinal channel of the urethral stent, wherein the urethral valve comprises at least one valve leaf, and at least one valve leaf can swing and open; the inner part of the edge of the swingable valve blade and the inner part of the connecting piece and/or the adjacent valve blade which are movably connected with the swingable valve blade are embedded with the magnet combination which attracts each other. In the invention, the urethral stent is of a net structure, and is in line contact with the urethra after being implanted, so that the stimulation to the urethra and the incidence rate of corresponding complications are reduced, and the comfort of the urethra after being implanted is improved. The swing of the valve leaflet can be controlled by controlling the magnet combination, so that the opening and closing of the urethral valve are controlled, the controllability of urination is realized, and the valve port is large when the valve leaflet is opened, so that the urination is smooth.

Description

A urethral urinary control device

technical field

The invention belongs to the technical field of medical devices, and in particular relates to a urethral urinary control device.

Background technique

Urinary incontinence is the loss of self-control of urination due to urethral sphincter damage or nerve dysfunction, making urine flow out involuntarily. Urinary incontinence is a relatively common disease of the human urinary system. There are many causes, often caused by congenital or acquired brain and spinal cord lesions, trauma, prostate surgery, urethral stricture repair, etc. It not only causes inconvenience and pain to the patient's life, but also may cause serious complications and even endanger the patient's life. Placement of artificial urinary sphincter is currently one of the main methods that can fundamentally solve the problem of urinary incontinence, but the artificial urinary sphincter that has been clinically used in the world requires surgical implantation. On the one hand, some patients are not seriously ill enough to require surgery or do not want surgery due to other reasons; on the other hand, artificial urinary sphincter implantation may cause serious sequelae such as urethral necrosis.

Relieving the pain of urinary incontinence through easier treatment is more acceptable to patients. As negative means, there are means such as wearing diapers and configuring urine bags, but frequent replacement is required, and the discomfort and smell during use and replacement have a negative impact on the patient's psychology. As a positive approach, a method of suppressing urinary incontinence through voluntary control of voiding should be sought.

U.S. Patent 4,909,785 and U.S. Patent 5,112,306 disclose a urethral valve that is a normally closed valve that is made up of a variable liquid bag and a set of drainage device. Bladder emptying. However, the device has a complex structure and a large volume, and may cause misoperation and urine leakage when the fluid bag is abnormally pressed.

The urinary control device disclosed in European Patent WO9822039A1 and Chinese Patent CN102405033A belongs to the magnetic type, and the opening and closing of the valve is controlled by the action of the external magnetic field on the internal magnet. The difference is that the urinary control device disclosed by the former is implanted at the distal end of the penis, and the end is positioned and fixed outside the penis. It has a simple structure and small size, but increases the risk of infection. The urinary control device disclosed by the latter is fixed in the inner cavity of the bladder by a memory alloy, and has a complex structure and a large volume. And above-mentioned two kinds of devices mostly are made up of metal components, and it is exposed in the urine, easily produces dirt or miscellaneous bacteria and causes hygienic problem. Their control valve is a spherical valve body in addition, and the spherical valve body is big, and the opening of the valve is small, resulting in small urine flow and poor urination.

Contents of the invention

Therefore, in view of the technical problems that the urinary control device in the prior art cannot simultaneously meet the requirements of simple structure, convenient operation, smooth urination, high reliability, and no risk of infection, the purpose of the present invention is to provide a urethra that can simultaneously meet the above requirements. Containment device.

The urethral continence device of the present invention comprises:

A urethral stent, the urethral stent is a mesh tube that can be implanted into the urethra;

A connecting piece, the connecting piece includes a connecting ring, and the connecting ring is laterally fixed on the wall of the middle section of the urethral stent; and

The urethral valve, the urethral valve is connected with the connecting ring to form a valve that can control the opening and closing of the longitudinal channel of the urethral stent, the urethral valve includes at least one leaflet, preferably 1 to 6 leaflets, and at least one leaflet The leaves can swing open;

One to two points or one edge of the swingable leaflet is fixedly connected with the connecting piece, and the unfixed side of the swingable leaflet is in movable contact with the connecting piece and/or the adjacent leaflet, and can swing The inside of the edge of the valve leaflet and the connecting piece and/or the interior of the adjacent leaflet are embedded with a combination of magnets that attract each other;

The movable connection refers to: the swingable leaflets are seamlessly connected with the connecting piece and/or adjacent leaflets when the magnet combination is attracted, and the magnet combination can swing when separated under the action of an external magnetic field The leaflets are separated from the connector and/or adjacent leaflets.

Wherein, the urethral stent is arranged in a mesh structure, and when implanted in the urethra, the contact with the urethra is a line contact, which reduces the contact area and the stimulation to the urethra, and improves the comfort of the urethra after implantation.

The connecting ring acts as a connecting seal and can be fixed on the inner side, the outer side or between the inner side and the outer side of the urethral support. The outer contour of the connecting ring can be a circle that matches the urethral stent, and the inner contour can be a circle, a polygon or other shapes that facilitate sealing connection with the valve leaflet, preferably a circle.

The combination of magnets may be a combination of magnets or magnets, or a combination of magnets and unmagnetized ferromagnetic metals, or other feasible combinations.

It can be known from the above that when the urethral valve has only one leaflet, it is a swingable leaflet. When the urethral valve has multiple leaflets, some or all of the leaflets can swing, so the switch of the urethral valve can be that all the leaflets participate in the movement, or some leaflets are fixed and some move. Preferably, all leaflets can swing, so that when the leaflets are opened, the opening of the urethral valve can be enlarged to make urination more smooth. The shape and size of each leaflet can be the same or different, such as a semicircle, a sector smaller than a semicircle, and a sector larger than a semicircle. Leaflets can be symmetrical or asymmetrical in shape.

In the present invention, the swingable leaflets are seamlessly connected with the connecting member or the adjacent leaflets through the attraction effect of the magnet combination, so that the urethral valve is in a normally closed state. When a strong external magnetic field is applied to the magnet combination, the magnet combination can be separated, and then the leaflets swing, and the urethral valve opens for urination, so as to realize the autonomous opening and closing of the urethral valve, so as to achieve The purpose of voluntary urination.

In some preferred embodiments of the present invention, the urethral valve has only one leaflet, and two points opposite to the edge of the leaflet are fixedly connected to the connecting ring; The edge of the leaflet is connected to the inside of the connecting ring, and the edge of the leaflet is movably connected to the lower side of the connecting ring through the attraction of the magnet assembly.

In other preferred embodiments of the present invention, the urethral valve includes 2 to 6, preferably 3 to 4 fan-shaped leaflets, each of which is circular and can swing, and the arc shape of each leaflet is The side is fixedly connected with the connecting ring, and the magnets are combined in pairs and respectively embedded in the side edges of the adjacent leaflets, and the side edges of the adjacent leaflets are inclined surfaces and arc surfaces that match each other. , inclined arc surface or stepped surface and are seamlessly connected through the suction effect of the magnet combination.

In some other preferred embodiments of the present invention, the connecting piece further includes a connecting skeleton, the connecting skeleton is connected in the connecting ring, and the connecting skeleton separates the connecting ring into 2~ 6, preferably 3 to 4 sectors.

Further, when the urethral valve has only one leaflet, the center of the leaflet is fixedly connected to the center of the connecting frame, and the magnet assembly is embedded inside the edge of the leaflet and inside the connecting ring, so The edge of the leaflet is movably connected to the lower side of the connecting ring through the combination of magnets.

Or further, when the urethral valve includes 2 to 6, preferably 3 to 4 fan-shaped leaflets corresponding to the fan-shaped area, the arc-shaped side of each leaflet is fixedly connected to the connecting ring, so The magnets are combined in pairs and respectively embedded inside the side of the leaflet and the inside of the connecting frame, and the side of the leaflet and the connecting frame have mutually matching slopes, arcs, inclined arcs or The stepped surfaces are seamlessly connected through the suction effect of the magnet combination.

Or further, when the urethral valve includes 2 to 6, preferably 3 to 4, fan-shaped leaflets corresponding to the fan-shaped area, the top corners of each leaflet are fixedly connected to the center of the connecting frame, The magnets are combined in pairs and respectively embedded in the inside of the arc edge of each of the leaflets and the inside of the connecting ring, as well as the inside of the side of each of the leaflets and the inside of the connecting frame; The arc edge, the connecting ring, and the side edges of each leaflet and the connecting frame have mutually matching inclined surfaces, arc surfaces, inclined arc surfaces or stepped surfaces, and are ineffective through the attraction effect of the magnet combination respectively. seam connection.

The material of the urethral stent can be selected from nickel-titanium memory alloy, titanium alloy, magnesium alloy, cobalt-chromium-molybdenum alloy, stainless steel, plexiglass (PMMA), polyvinyl chloride (PVC), polyethylene (PC) or ultra-high molecular weight polyethylene (UHMWPE). The material of the connecting piece can also be selected from nickel-titanium memory alloy, titanium alloy, magnesium alloy, cobalt-chromium-molybdenum alloy, stainless steel, plexiglass, polyvinyl chloride, polyethylene, and ultra-high molecular weight polyethylene. The material of the urethral valve is biocompatible flexible material.

The connecting piece and the urethral stent may be of an integrated structure or may be of a spliced structure.

Preferably, the urethral stent is braided from nickel-titanium memory alloy. Further, the urethral stent and the connecting ring are soft at low temperature and can be squeezed into a cord shape, which is convenient for implantation; after restoring the phase transition temperature of the memory alloy, the shape is restored in situ and the positioning is accurate.

Preferably, a covering film is added on the inner wall, the outer wall or between the inner and outer walls of the urethral stent, and the covering film is a medical flexible material film that can be implanted in the human body. Anti-inflammatory or hemostatic drugs can be added to the film to shorten the recovery time of postoperative patients, inhibit the occurrence of complications, and improve the quality of life of patients.

Preferably, the medical flexible material film is a medical silicone film, a medical polyurethane film or a medical polytetrafluoroethylene film.

Another object of the present invention is to provide a urethral continence assembly, which includes the urethral continence and a magnetic attraction device used in conjunction with the magnet. The magnetic attraction device is used to provide a strong magnetic field outside the body, and a magnet or an electromagnetic coil can be used. Preferably, the magnetic attraction device is tied or integrated on the trouser waistband or the elastic band, and when urinating, the trouser waistband or the elastic band is pulled down to control the opening of the urethral urinator.

Beneficial effects of the present invention:

1. The present invention adopts the cooperation form of urethral stent and urethral valve, which has simple structure, low cost and small volume. Wherein, the urethral stent has a mesh structure, and the contact area between the urethra and the urethra is small, which can effectively reduce the irritation to the urethra and the incidence of corresponding complications, and improve the comfort of the urethra after implantation. .

2. The present invention connects the swingable leaflets with the adjacent leaflets and/or connectors through the mutual attraction of the magnet combination, so that the urethral valve is in a normally closed state, which can achieve higher sealing performance and further improve the urethral valve. Urinary Continence Reliability. And by controlling the application of a strong external magnetic field, the magnet combination is separated and swings with the swingable leaflets, and then the opening of the urethral valve is controlled. The thickness is thin, the valve opening is large when the leaflets are opened, the urine flow is large, and the urination is smoother.

3. The urethral stent can be braided by nickel-titanium memory alloy, which is soft at low temperature and can be squeezed into a cord shape, which is convenient for implantation; after restoring the phase transition temperature of the memory alloy, the shape can be restored in situ and the positioning is accurate.

4. The urethral valve is made of biocompatible flexible material, and is directly connected with the urethral stent through the above-mentioned connecting ring seal, which can reduce hygiene problems caused by dirt or miscellaneous bacteria.

Description of drawings

Fig. 1 is a three-dimensional schematic diagram of a urethral urinary control device according to Embodiment 1 of the present invention;

Fig. 2 is a schematic diagram of the structure of the leaflet and the connecting ring in Embodiment 1 of the present invention;

Fig. 3 is a cross-sectional view of the junction of adjacent valve leaflets in Embodiment 1 of the present invention;

4 and 5 are structural schematic diagrams of valve leaflets and connecting rings with different numbers of pieces in Embodiment 1 of the present invention;

6 to 9 are cross-sectional views of other types of junctions between adjacent leaflets of the present invention;

Fig. 10 is a three-dimensional schematic diagram of a urethral urinary control device according to Embodiment 2 of the present invention;

Fig. 11 is a schematic diagram of the structure of the leaflet and the connecting ring in Embodiment 2 of the present invention;

Fig. 12 is a three-dimensional schematic diagram of the urethral urinary control device in the second embodiment of the present invention when the valve port is open;

Fig. 13 is a three-dimensional schematic diagram of a urethral urinary control device according to Embodiment 3 of the present invention;

14-16 are schematic diagrams of the structure of the valve leaflet and the connecting ring in Embodiment 3 of the present invention;

17-21 are cross-sectional views of different types of adjacent valve leaflets and connecting skeletons in Embodiment 3 of the present invention;

Fig. 22 is a three-dimensional schematic diagram of a urethral urinary control device according to Embodiment 4 of the present invention;

23 and 24 are schematic diagrams of the structure of the valve leaflet and the connecting ring in Embodiment 4 of the present invention;

25 to 27 are schematic diagrams of the film-adding positions of the urethral continence device according to Embodiment 1 of the present invention.

Reference signs:

1-urethral stent, 2-connecting ring, 3-urethral valve, 4-magnet assembly, 5-connecting skeleton, 6-covering.

Detailed ways

The present invention will be further described below in conjunction with specific embodiments and accompanying drawings. It should be understood that the following examples are only used to illustrate the present invention but not to limit the scope of the present invention.

Example 1

FIG. 1 shows a urethral continence device in a preferred embodiment of the present invention, which includes a urethral support 1 , a connecting ring 2 and a urethral valve 3 .

Urethral stent 1 is a mesh tube that can be implanted into the urethra. It is braided by nickel-titanium memory alloy. It is soft at low temperature and can be squeezed into a rope shape. The shape is restored in situ, and the positioning is accurate.

The connecting ring 2 is laterally fixed on the tube wall of the middle section of the urethral stent 1 and is integrated with the urethral stent 1 .

The urethral valve 3 is composed of three fan-shaped leaflets 31, 32 and 33 that can swing, and the arc edges of the fan-shaped leaflets 31, 32 and 33 are seamlessly fixedly connected with the connecting ring 2, as shown in Figure 2, the fan-shaped leaflets 31, 32 and 33 mutually connected side (straight edge) as shown in Figure 3, is the inclined arc surface that matches each other, and the magnet combination 4 (comprising paired 41a and 43b, 42a that attracts each other is respectively embedded with inside) and 41b and 43a and 42b), through the seamless butt joint of the adjacent linear sides of the mutually attracting leaflets of the magnet assembly 4 to form a closure.

Among them, the magnet combination 4 is a combination of magnets and magnets, which can attract each other through the N and S poles. For example, the N and S poles of 41a and 43b are respectively located at both ends and inverted to each other, so that they can attract each other, while 42a and 41b and 43a And 42b is also the same setting. Of course, it can also be a combination of magnets and unmagnetized ferromagnetic metals or other possible combinations, such as 41a, 42a and 43a are magnets, and 41b, 42b and 43b are unmagnetized ferromagnetic metals. Under the action of a strong external magnetic field, the magnet assembly 4 can be separated under the action of the longitudinal magnetic force, and the valve leaflets 31, 32 and 33 are opened accordingly. Therefore, the opening and closing of the urethral valve 3 can be realized autonomously through a stronger magnetic field outside the body. In order to achieve the purpose of voluntary urination.

The number of leaflets of the urethral valve 3 can also be appropriately increased or decreased. For example, the urethral valve 3 can be composed of two semicircular leaflets split apart. As shown in FIG. 4 , the magnet assembly 4 is embedded inside the side where the two semicircular leaflets connect. The arc top of the semicircular leaflet is fixedly connected with the connecting ring 2 . For another example, as shown in FIG. 5 , the urethral valve 3 is composed of four identical right-angle fan-shaped leaflets, and the magnet assembly 4 is embedded in the inner sides where adjacent right-angle fan-shaped leaflets connect. The arc edge of the right-angle fan-shaped leaflet is fixedly connected with the connecting ring 2, and the fixed connection position can be the arc top or the entire arc edge.

In addition, in the above-mentioned various situations, the interconnected sides of adjacent valve leaflets can also be straight surfaces (see Figure 6), inclined surfaces, arc surfaces (see Figure 7), stepped surfaces (see Figure 8) or stepped surfaces that match each other. The curved surface (see Figure 9) only needs to be seamlessly connected.

Example 2

Figure 10 shows another preferred embodiment of the urethral urinary control device of the present invention, which is different from Embodiment 1 in that the urethral valve 3 is made of a circular leaflet 34, as shown in Figure 11, the circular leaflet 34 Two opposite points 34a on the periphery are fixedly connected to the connecting ring 2, and the rest of the periphery of the circular leaflet 34 except the two fixedly connected points 34a is in movably contact with the connecting ring 2 through the embedded magnet assembly 4, when there is no external magnetic field , through the mutual attraction of the magnet assembly 4, the periphery of the circular leaflet 34 is seamlessly connected with the connecting ring 2 to form a closure. Under the action of an external magnetic field, both sides of the circular leaflet 34 swing downwards, as shown in FIG. 12 .

Example 3

Fig. 13 shows another preferred embodiment of the urethral continence device of the present invention. Compared with Embodiment 1, the connecting frame 5 is also connected to the connecting ring 2, the connecting ring 2 and the connecting frame 5 form a connecting piece, and the connecting frame 5 divides the connecting ring 2 into sector-shaped areas of 3 in a scattering shape, as shown in FIG. 14 . The urethral valve 3 is composed of three swingable fan-shaped leaflets corresponding to the fan-shaped area. The arc-shaped edges of each fan-shaped leaflet are seamlessly and fixedly connected with the connecting ring 2, and the side edges of each fan-shaped leaflet are connected with the connecting frame 5. The magnet assembly 4 that can attract each other is also embedded inside the side edges of the adjacent fan-shaped leaflets.

Wherein, the leaflets of the urethral valve 3 can also be adjusted to 2 pieces, 4 pieces or more, and the shape of the corresponding connecting frame 5 can be adjusted accordingly. Add a skeleton to divide the connection ring into 4 or more fan-shaped areas, as shown in Figure 15.

In addition, the magnet assembly can also be embedded in pairs on the side of the valve leaflet and inside the connecting frame, as shown in FIG. 16 .

The sides of each fan-shaped leaflet and the side of the connecting frame 5 are matching inclined arc surfaces (see Figure 17), straight surfaces (see Figure 18), inclined surfaces, arc surfaces (see Figure 19), and stepped surfaces (see Figure 20). and 21) or the stepped arc surface, under the attraction of the magnet combination 4, each fan-shaped leaflet is seamlessly connected with the connecting skeleton.

Example 4

Figure 22 shows another preferred embodiment of the urethral urinary control device of the present invention. Compared with Embodiment 3, the difference is that the urethral valve 3 is one piece, the center of the urethral valve 3 is fixed at the center of the connecting frame 5, and the magnet assembly 4 Embedded inside the periphery of the urethral valve 3 and inside the connecting ring 2, as shown in FIG. 23 . Under the action of a strong external magnetic field, the magnet assembly 4 can be separated under the action of longitudinal magnetic force, and the urethral valve 3 is opened accordingly.

On the basis of Embodiment 4, the urethral valve 3 can also be divided into multiple fan-shaped leaflets corresponding to the fan-shaped area. The arc edge of the leaf is connected with the connection ring 2 through the combination of magnets, and the side of each fan-shaped leaflet is connected with the connection frame 5. Of course, the side of each fan-shaped leaflet and the connection frame can also be embedded with magnets. Improves the tightness of hair extensions.

Preferably, in each of the above-mentioned embodiments, a film 6 may be added to the inner wall, outer wall or between the inner and outer walls of the urethral stent 1, as shown in Figures 25-27, the urethral continence device in Embodiment 1 is provided with a film of the three situations. The covering film 6 is a medical flexible material film that can be implanted in the human body, preferably a medical silicone film, a medical polyurethane film or a medical polytetrafluoroethylene film. At the same time, anti-inflammatory or hemostatic drugs can be added to the film to shorten the recovery time of postoperative patients, inhibit the occurrence of complications, and improve the quality of life of patients.

In addition, the connecting ring 2 plays the role of connecting and sealing, and can be fixed on the inside, outside or between the inside and outside of the urethral stent 1 . The outer contour of the connecting ring 2 can be a circle matching the urethral stent 1 , and the inner contour can be a circle, a polygon or other shapes that facilitate sealing connection with the leaflets, preferably a circle. The edge of the leaflet connected to the connecting ring 2 can fit under the connecting ring 2, or it can be docked with the inner side of the connecting ring 2, so the edge shape of the leaflet can be adjusted accordingly according to the inner contour of the connecting ring 2, and can be curved or curved. But a straight line.

The urethral continence device of each of the above embodiments can be used in combination with a magnetic attraction device, which is used to provide a strong magnetic field outside the body, and can use a magnet or an electromagnetic coil. Preferably, the magnetic attraction device can be tied or integrated into a trouser belt or When urinating, pull down the waistband or the elastic band to control the opening of the urethral urinator.

The above-mentioned embodiments only express several implementation modes of the present invention, and the descriptions thereof are relatively specific and detailed, but should not be construed as limiting the patent scope of the invention. It should be noted that, for those skilled in the art, several modifications and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.

Claims (10)

1. A urinary tract urine controller, comprising:

a urethral stent, which is a reticular tube implantable in the urethra;

the connecting piece comprises a connecting ring which is transversely and fixedly arranged on the middle tube wall of the urethral stent; and

a urethral valve connected with the connecting ring and forming a valve capable of controlling the opening and closing of a longitudinal channel of the urethral stent, wherein the urethral valve comprises at least one valve leaf, and at least one valve leaf can swing and open;

one or two points or one edge of the swingable valve leaf is fixedly connected with the connecting piece, the edge of the swingable valve leaf which is not fixedly connected with the connecting piece and/or the adjacent valve leaf is movably connected with the connecting piece, and a magnet combination which is mutually attracted is embedded in the edge of the swingable valve leaf and the connecting piece and/or the adjacent valve leaf which are movably connected with the edge of the swingable valve leaf;

the movable connection means: the valve leaf which can swing when the magnet combination is attracted is connected with the connecting piece and/or the adjacent valve She Mofeng, and the valve leaf which can swing when the magnet combination is separated under the action of an external magnetic field is connected with the connecting piece and/or the adjacent valve She Fenkai;

the magnet combination is a magnet and a magnet or a magnet and an unmagnetized ferromagnetic metal;

a layer of tectorial membrane is added between the inner wall, the outer wall or the inner wall and the outer wall of the urethral stent, the tectorial membrane is a medical flexible material membrane which can be implanted in a human body, and the medical flexible material membrane is a medical silica gel membrane, a medical polyurethane membrane or a medical polytetrafluoroethylene membrane.

2. A urinary tract urine control device according to claim 1 wherein the urinary tract valve has only 1 leaflet, the two points of the leaflet edge opposite each other being fixedly connected to the connecting ring; the magnet assemblies are embedded in the edge of the valve leaf and the inside of the connecting ring in pairs respectively, and the edge of the valve leaf is movably connected below the connecting ring through the attraction of the magnet assemblies.

3. The urinary tract urine control device according to claim 1, wherein the urinary tract valve comprises 2-6 fan-shaped valve leaves, each valve leaf is circular and can swing, the arc-shaped edge of each valve leaf is fixedly connected with the connecting ring, the magnet assemblies are respectively embedded in the side edges of the adjacent valve leaves in pairs, and the side edges of the adjacent valve leaves are mutually matched inclined planes, cambered surfaces, inclined cambered surfaces or stepped surfaces and are connected in a seamless manner through the suction effect of the magnet assemblies.

4. A urinary tract urine control device according to claim 1 wherein the connector further comprises a connecting skeleton connected in the connecting ring, the connecting skeleton dividing the connecting ring into 2-6 sectors in a straight line or in a scattering pattern.

5. The urinary tract urine control device according to claim 4 wherein the urinary tract valve has only 1 leaflet, the leaflet center is fixedly connected to the connecting frame center, the magnet assembly is embedded inside the leaflet edge and inside the connecting ring, and the leaflet edge is movably connected under the connecting ring by the magnet assembly.

6. The urinary tract urine control device according to claim 4 wherein the urinary tract valve comprises 2-6 fan-shaped valve leaflets corresponding to the fan-shaped areas, the arcuate edges of each valve leaflet are fixedly connected with the connecting ring, the magnet assemblies are respectively embedded in pairs in the side edges of the valve leaflets and the connecting framework, and the side edges of the valve leaflets and the connecting framework are provided with mutually matched inclined surfaces, cambered surfaces, inclined cambered surfaces or stepped surfaces and are seamlessly connected through the attraction of the magnet assemblies.

7. The urinary tract urine control device according to claim 4 wherein the urinary tract valve comprises 2-6 fan-shaped leaflets corresponding to the fan-shaped areas, each of the leaflet top corners being fixedly connected to the center of the connecting frame, the magnet assemblies being embedded in pairs within the arcuate edge of each of the leaflets and within the connecting ring and within the side edges of each of the leaflets and within the connecting frame, respectively; the arc-shaped edge of each valve leaf, the connecting ring, the side edge of each valve leaf and the connecting framework are provided with inclined planes, cambered surfaces, inclined cambered surfaces or stepped surfaces which are matched with each other, and are connected in a seamless mode through the attraction effect of the magnet combination.

8. The urinary tract urine control device according to claim 1, wherein the urinary tract stent is made of nickel-titanium memory alloy, titanium alloy, magnesium alloy, cobalt-chromium-molybdenum alloy, stainless steel, organic glass, polyvinyl chloride, polyethylene or ultra-high molecular weight polyethylene; the connecting ring is made of nickel-titanium memory alloy, titanium alloy, magnesium alloy, cobalt-chromium-molybdenum alloy, stainless steel, organic glass, polyvinyl chloride, polyethylene and ultra-high molecular weight polyethylene; the urethral valve is made of biocompatible flexible materials.

9. A urinary catheter as in claim 1, wherein said connector is of unitary construction with said urinary stent.

10. A urinary tract urine control device assembly comprising a urinary tract urine control device according to any one of claims 1 to 8 and a magnetic attraction device for use in combination with the magnet.

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