Modeling balloon device for simulating delivery injury animal stress urinary incontinence

Abstract

The utility model discloses an animal stress urinary incontinence modeling sacculus device for simulating delivery injury, which comprises a base rod, a sacculus body, a sacculus body, a sacculus body, a sacculus body and a sacculus body, the balloon comprises an elastically arranged skeleton and a balloon sleeve, one end of the skeleton is fixedly connected with the end part of the functional part, the other end of the skeleton is in sliding connection with the functional part, and the balloon sleeve is arranged on the outer side of the skeleton; and the sliding rod is arranged on the functional part in a sliding manner and is detachably connected with a preset position on the functional part in a clamping manner. The sacculus and the sliding rod are arranged on the functional part of the base rod, the framework in the sacculus can be pushed to be supported after the sliding rod slides, the framework and the sacculus sleeve form a ball with a preset size, the vagina dilator can be conveniently inserted into a preset position and stably supported during vagina dilation operation of a mouse, shearing and water injection operation is not needed, and the vagina dilator is simple in structure and convenient to use. The uncertainty caused by increasing of traditional water injection can be eliminated, the operation difficulty is reduced, and the experiment effect is stabilized.

Description

TECHNICAL FIELD

[0001] The utility model relates to animal experiment instrument technical field especially, relates to a kind of animal stress urinary incontinence molding balloon device of simulation birth injury. BACKGROUND

[0002] Stress urinary incontinence refers to involuntary urine outflow under abdominal pressure increase, and the incidence rate is higher after childbirth or surgical injury of female pelvic floor muscle. At present, the research on stress urinary incontinence can be carried out by manufacturing stress urinary incontinence in mice to experiment its physiological response, specifically, the stress urinary incontinence animal model constructed by simulating birth injury includes vaginal distension model, pudendal nerve crushing model and pudendal nerve transection model, etc., and the vaginal distension model is the most common.

[0003] When carrying out stress urinary incontinence experiment on mice, a catheter is often externally connected with a syringe, and the balloon of the catheter is inflated by water injection to expand the vagina of the mouse to simulate birth injury. The following problems need to be paid attention to during the experiment: 1. Because the inflation position is not at the far end, the excess part of the head needs to be cut off before use, and the catheter port is closed with surgical suture to ensure that the balloon is inflated in the vagina without exposure. 2. The air in the balloon needs to be completely discharged to ensure that the volume of the balloon reaches the expected volume after water injection.

[0004] In the prior art, the head of the catheter port needs to be actively cut off by the operator when a catheter is externally connected with a syringe, and there are cases that the head is too short or too long during operation. If the head is too short, the suture is easy to come off, causing the balloon to overflow and break. If the head is too long, the balloon is easy to slip out of the vagina. In addition, it is difficult to completely discharge the air in the catheter, and the residual air in the balloon after water injection makes the actual water injection volume of the balloon smaller. After water injection is completed, the balloon is easy to retract due to the tension of the vagina. The above reasons cause fluctuations in the vaginal expansion effect on mice, making it difficult to achieve stable experimental results and affecting the experimental process.

[0005] Therefore, the prior art still needs to be improved and developed. UTILITY MODEL CONTENTS

[0006] In order to solve the problem that, in the prior art, when expanding the vagina of a mouse using a catheter externally connected with a syringe, the head of the catheter port needs to be actively cut off by the operator, and there are cases that the head is too short or too long during operation. If the head is too short, the suture is easy to come off, causing the balloon to overflow and break. If the head is too long, the balloon is easy to slip out of the vagina. In addition, it is difficult to completely discharge the air in the catheter, and the residual air in the balloon after water injection makes the actual water injection volume of the balloon smaller. After water injection is completed, the balloon is easy to retract due to the tension of the vagina. The above reasons cause fluctuations in the vaginal expansion effect on mice, making it difficult to achieve stable experimental results and affecting the experimental process, the utility model provides a kind of animal stress urinary incontinence molding balloon device of simulation birth injury.

[0007] The utility model discloses a following technical scheme realizes:

[0008] A kind of animal stress urinary incontinence modeling balloon device of simulating birth injury, wherein the animal stress urinary incontinence modeling balloon device of simulating birth injury includes:

[0009] Base rod, the base rod includes the function part being arranged at one end;

[0010] Balloon, the balloon includes elastically arranged framework and sheath, one end of the framework is fixedly connected with the end of the function part, the other end is slidably connected with the function part, and the sheath is arranged on the outside of the framework;

[0011] Slide rod, the slide rod is slidably arranged on the function part, and is detachably engaged with the predetermined position on the function part.

[0012] The animal stress urinary incontinence modeling balloon device of simulating birth injury, wherein the framework includes a plurality of elastic support rods, a plurality of the support rods are evenly arranged around the center line of the base rod, and the sheath is fixedly attached to the plurality of support rods.

[0013] The animal stress urinary incontinence modeling balloon device of simulating birth injury, wherein one side of the function part is provided with a tenon, the tenon is an elastic tenon, and the tenon is detachably engaged with the slide rod;

[0014] The side of the tenon towards the balloon is perpendicular to the center line of the base rod;

[0015] The side of the tenon away from the balloon is inclined at a predetermined angle.

[0016] The animal stress urinary incontinence modeling balloon device of simulating birth injury, wherein the tenon is arranged at a position at a predetermined distance from the end of the function part away from the balloon;

[0017] When the balloon is expanded, the tenon is engaged with the end of the slide rod.

[0018] The animal stress urinary incontinence modeling balloon device of simulating birth injury, wherein the tenon is arranged at the middle of the function part;

[0019] One side of the slide rod is hollowed out to form a clamping groove, and the shape of the clamping groove is adapted to the orthographic projection shape of the tenon;

[0020] When the balloon is expanded, the tenon is engaged with the clamping groove.

[0021] The animal stress urinary incontinence modeling balloon device for simulating birth injury, wherein the tenons are uniformly arranged along the length direction of the functional part.

[0022] The tenons and the sliding rod are detachably connected.

[0023] The animal stress urinary incontinence modeling balloon device for simulating birth injury, wherein the base rod further comprises a holding part arranged at the other end of the base rod, and the diameter size of the holding part is greater than that of the functional part.

[0024] The animal stress urinary incontinence modeling balloon device for simulating birth injury, wherein the inside of the base rod is provided with a flow guide hole arranged through the two ends of the base rod.

[0025] The animal stress urinary incontinence modeling balloon device for simulating birth injury, wherein the end of the base rod, which is away from the balloon, is detachably connected with a syringe.

[0026] The animal stress urinary incontinence modeling balloon device for simulating birth injury, wherein the end of the base rod, which is away from the balloon, is provided with a rope ring outside.

[0027] The animal stress urinary incontinence modeling balloon device for simulating birth injury has the advantages that the balloon and the sliding rod are arranged on the functional part of the base rod, the framework in the balloon can be pushed up to form a spherical shape with the balloon sleeve of a predetermined size after the sliding rod is slid, the mouse can be inserted into a predetermined position and stably supported during the vaginal expansion operation, the shearing and water injection operations are not needed, the uncertainty caused by traditional water injection is eliminated, the operation difficulty is reduced, and the experimental effect is stable. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 is a first embodiment storage state schematic view of the animal stress urinary incontinence modeling balloon device for simulating birth injury of the utility model;

[0029] Figure 2 is a first embodiment deployment state schematic view of the animal stress urinary incontinence modeling balloon device for simulating birth injury of the utility model;

[0030] Figure 3 is a first embodiment structure explosion view of the animal stress urinary incontinence modeling balloon device for simulating birth injury of the utility model;

[0031] Figure 4 is a second embodiment storage state schematic view of the animal stress urinary incontinence modeling balloon device for simulating birth injury of the utility model;

[0032] Figure 5It is the second embodiment of the animal stress urinary incontinence modeling balloon device of the utility model in the expanded state.

[0033] In Figures 1 to 5 In: 100, base rod; 110, function part; 111, tenon; 120, holding part; 130, flow guide hole; 200, balloon; 210, framework; 211, support rod; 220, balloon cover; 300, sliding rod; 310, clamping groove. DETAILED DESCRIPTION

[0034] To make the purpose, technical scheme and effect of the utility model more clear and definite, the utility model is further described in detail below with reference to the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.

[0035] It should be noted that if the embodiment of the utility model involves directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications will also change accordingly.

[0036] In addition, if the embodiment of the utility model involves the description of "first", "second", etc., the description of "first", "second", etc. is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features with "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled persons in the art, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist and is not within the protection scope required by the utility model.

[0037] In the prior art, when the urethral tube is connected with the syringe, the catheter head part needs to be actively cut off by the operator, and there are cases where the head part is left too short or too long during operation, which can cause the suture line to be easily detached, resulting in the balloon 200 overflowing and breaking, and the head part left too long can cause the balloon 200 to easily slip out of the vagina; in addition, the air in the urinary catheter is difficult to exhaust, and the residual air in the balloon 200 after water injection makes the actual water injection volume of the balloon 200 smaller, and the balloon 200 can easily retract after water injection is completed due to the tension of the vagina. The above reasons cause the vaginal expansion effect on mice to fluctuate, which is difficult to stabilize the experimental effect and affects the experimental process.

[0038] Based on the above problems in the prior art, the utility model provides an animal stress urinary incontinence modeling balloon device 200 for simulating birth injury, which comprises a balloon 200,Figure 1 As shown in the figure, the animal stress urinary incontinence modeling balloon 200 device for simulating birth injury comprises a base rod 100, the base rod 100 comprises a functional part 110 arranged at one end; a balloon 200, the balloon 200 comprises an elastically arranged framework 210 and a balloon sheath 220, one end of the framework 210 is fixedly connected with the end of the functional part 110, the other end is slidably connected with the functional part 110, and the balloon sheath 220 is arranged outside the framework 210; a sliding rod 300, the sliding rod 300 is slidably arranged on the functional part 110 and detachably connected with a predetermined position on the functional part 110.

[0039] The utility model discloses a balloon 200 and sliding rod 300 are arranged on the functional part 110 of base rod 100, when the sliding rod 300 slides, the framework 210 in the balloon 200 can be pushed to prop up, so that the framework 210 and the balloon sheath 220 form a spherical shape of a predetermined size, when the vagina of the mouse is dilated, it is convenient to insert into the predetermined position, and it can be stably supported, without needing to cut and water injection operation, the uncertainty brought by traditional water injection can be eliminated, the operation difficulty is reduced, and the experimental effect is stable.

[0040] In the embodiment, as shown in Figure 1 And Figure 2 As shown in the figure, the main body of the animal stress urinary incontinence modeling balloon 200 device for simulating birth injury is composed of a base rod 100, a balloon 200 and a sliding rod 300, wherein the base rod 100 is used for inserting into the vagina of the mouse, for the convenience of describing the connection relationship between the base rod 100 and the balloon 200 and the sliding rod 300, one end of the base rod 100 is named as a functional part 110 in the embodiment; the balloon 200 is similar to the lantern in the prior art, and is specifically composed of a framework 210 and a balloon sheath 220, the balloon sheath 220 is arranged outside the framework 210, the framework 210 is made of a metal material with elasticity, and specifically can adopt a guide wire commonly used in medical instruments, and the balloon sheath 220 is made of rubber, the balloon sheath 220 is similar to a balloon, when the framework 210 is in a contracted state, the balloon sheath 220 is attached to the framework 210, when the framework 210 is in an open state, the balloon sheath 220 deforms to serve as the outer skin of the balloon 200, and the effect of dilating the vagina of the mouse can be achieved.

[0041] In the embodiment, one end of the balloon 200 is fixedly connected with one end of the functional part 110, and the other end is sleeved on the functional part 110 and is in sliding connection with the functional part 110. In order to facilitate the operator to operate the balloon 200 to expand, a sliding rod 300 is further arranged on the functional part 110, the sliding rod 300 is sleeved on the functional part 110 and is in sliding connection with the functional part 110, and the corresponding one end of the balloon 200 is in abutment. In actual operation, the operator can hold the end of the base rod 100 with one hand and hold the sliding rod 300 with the other hand, so as to slide the sliding rod 300 to the end of the functional part 110, so as to apply force to make the framework 210 bend and deform, support the balloon sleeve 220 to form a spherical structure, thereby expanding the mouse vagina. At the same time, in order to ensure that the cross-sectional size of the spherical structure formed after the balloon 200 expands is a predetermined size, a clamping structure matched with the sliding rod 300 is further arranged on the functional part 110, and the clamping structure can be clamped and fixed when the sliding rod 300 moves to a predetermined position, so as to fix the expanded state of the balloon 200.

[0042] Specifically, in the above embodiment, as shown in Figure 3 The framework 210 specifically includes a plurality of elastic support rods 211, the support rods 211 can be made of a metal material with elasticity in the prior art, such as a guide wire, the plurality of support rods 211 are uniformly arranged around the center line of the base rod 100 to form a framework 210 structure similar to a lantern, the corresponding end portions of the plurality of support rods 211 are connected with each other to form a stable structure as a whole. In specific arrangement, one end of the plurality of support rods 211 is fixedly connected with the outside of the end portion of the functional part 110, and the other end of the plurality of support rods 211 is connected to form an annular structure in sliding connection with the functional part 110, so that the plurality of support rods 211 can be bent and deformed when the sliding rod 300 drives the plurality of support rods 211 to move. Since the plurality of support rods 211 are the same and have elasticity, the plurality of support rods 211 are deformed to form a circular arc shape bent outward after deformation, and the balloon sleeve 220 is fixedly attached to the plurality of support rods 211. After the deformation of the support rods 211, the balloon sleeve 220 deforms to form a spherical structure.

[0043] In another embodiment of the present application, as Figure 3As shown, in order to realize detachable engagement of the slide rod 300 with the predetermined position on the functional part 110, in the embodiment, one side of the functional part 110 is provided with a tenon 111, the tenon 111 is made of elastic material, and specifically can be rubber, spring sheet and the like, the cross-sectional shape of the tenon 111 is a right triangle, the side of the tenon 111 facing the balloon 200 is provided perpendicularly to the center line of the base rod 100, forming a fixing surface for engaging the slide rod 300, the side of the tenon 111 away from the balloon 200 is provided at a predetermined angle, through the predetermined angle, the slide rod 300 sleeved outside the tenon 111 can slide, since the tenon 111 has elasticity, when sleeved inside the slide rod 300, the slide rod 300 on the functional part 110 is not affected, when the slide rod 300 moves to the predetermined position, the tenon 111 is popped out under the action of its own elasticity, and forms engagement with the slide rod 300, when the experimenter needs to release the engagement relationship, the tenon 111 can be actively forced to deform, so that the slide rod 300 restores the structure relationship of sleeving the tenon 111.

[0044] Based on the above embodiment, the animal stress urinary incontinence modeling balloon 200 device for simulating birth injury of the utility model has the following three specific settings:

[0045] Embodiment 1, in the embodiment, as shown in Figure 1 and Figure 2 The above tenon 111 is arranged at a position at a predetermined distance from the end of the functional part 110 away from the balloon 200, the predetermined distance is the displacement distance of the framework 210 when the balloon 200 is from the base rod 100 to the open ball, in the embodiment, the tenon 111 is engaged with the end of the slide rod 300 to form a limit. As shown in Figure 1 When the balloon 200 is in the retracted state of the base rod 100, the tenon 111 is sleeved inside the slide rod 300, at this time, the slide rod 300 can be freely slid; as shown in Figure 2 When the operator drives the slide rod 300 to move to the predetermined position, the balloon 200 is in the state of being opened into a ball shape, at this time, the tenon 111 is exposed from one end of the slide rod 300, and the end of the slide rod 300 is engaged through the fixing surface perpendicular to the base rod 100, thereby locking the open state of the balloon 200, so as to facilitate the subsequent expansion operation of the experimenter on each part of the mouse vagina.

[0046] Embodiment 2, in the embodiment, as shown in Figure 4 and Figure 5The above tenon 111 is arranged at the middle position of the functional part 110, and correspondingly, a clamping groove 310 is hollowed out on one side of the slide rod 300, the shape of the clamping groove 310 is matched with the shape of the orthographic projection of the tenon 111, so that the tenon 111 is popped out from the position of the clamping groove 310, and in addition, in the embodiment, a structure for limiting the radial rotation of the slide rod 300, such as a slide rail, can be arranged to guarantee that the moving direction of the slide rod 300 corresponds to the arrangement position of the tenon 111. Figure 4 As shown in the figure, when the balloon 200 is in the folded state of being attached to the base rod 100, the tenon 111 is arranged in the inside of the slide rod 300, at this time, the slide rod 300 can be freely slid; as shown in the figure, Figure 5 When the operator drives the slide rod 300 to move to the predetermined position, the balloon 200 is in the state of being expanded into a spherical shape, at this time, the tenon 111 is popped out from the corresponding position of the clamping groove 310, and clamping is formed on the side of the clamping groove 310 through the fixed surface perpendicular to the base rod 100, so as to lock the expanded state of the balloon 200, so as to facilitate the subsequent expansion operation of the operator on each part of the mouse vagina.

[0047] In the embodiment, the tenon 111 can be uniformly arranged at a plurality of positions along the length direction of the functional part 110, the tenon 111 can be clamped and locked with the slide rod 300 in the clamping mode as shown in the above embodiment 1 and the embodiment 2, the advantage of the arrangement in the embodiment is that the balloon 200 can be controlled in different degrees through the clamping of the slide rod 300 and the tenon 111 at different positions, so as to facilitate the targeted expansion of the vagina for different experimental mice, and meet the stable control of different experimental variables.

[0048] In another implementable manner of the utility model, as shown in the figures, Figure 1 and Figure 2 In order to facilitate the operation of the operator, the above base rod 100 further comprises a holding part 120, the holding part 120 is arranged on the other end of the base rod 100 and corresponds to the above functional part 110, and in actual arrangement, the diameter size of the holding part 120 should be greater than the diameter size of the functional part 110, so as to facilitate the holding of the operator on one hand, and on the other hand, the moving range of the slide rod 300 can be limited through the stepped position between the holding part 120 and the functional part 110.

[0049] In addition, a thread can be arranged on the holding part 120, so as to increase the friction force when the operator holds the base rod 100, and prevent the base rod 100 from sliding and affecting the experimental process in the experimental process.

[0050] In another embodiment of the present application, as shown in Figure 3 In order to facilitate the vaginal injection of drugs in the experimental process, a drainage hole 130 is arranged in the inner part of the base rod 100 in this embodiment, which is arranged through both ends of the base rod 100. In actual use, medical staff can add liquid medicine from one end of the holding part 120 of the base rod 100 by dripping, injection and other methods. The liquid medicine flows out from one end of the functional part 110 of the base rod 100 through the drainage hole 130 and enters the vagina of the mouse, which can achieve the effect of adding drugs to the vagina of the mouse.

[0051] Further, the base rod 100 can be pre-set so that one end of the base rod 100 away from the balloon 200 is detachably connected to the end of the syringe in the prior art. In actual experimental process, the syringe in the prior art can be installed to directly inject drugs into the drainage hole 130, which can effectively improve the experimental efficiency.

[0052] In another embodiment of the present application, a rope ring (not shown in the figure) is further arranged on the outer side of one end of the base rod 100 away from the balloon 200. The rope ring can be arranged by referring to the structure of the hand rope of the mini flashlight, the hanging rope of the pen and the like in the prior art. In this embodiment, the rope ring can be used to stabilize the holding of the base rod 100 by the experimental personnel, and can be combined with different medical devices in other stages of the experiment to achieve different experimental effects, such as connecting the rope ring with a stepping motor to simulate the expansion process of the vagina in the production process of the mouse.

[0053] In the above embodiment, the specific size of each component in the animal stress urinary incontinence modeling balloon 200 device for simulating birth injury is not limited, and the animal stress urinary incontinence modeling balloon 200 device for simulating birth injury of the present application is also not limited to the vaginal expansion experiment on the mouse. The specific size of each component in the animal stress urinary incontinence modeling balloon 200 device for simulating birth injury can be adjusted adaptively according to the actual needs and different experimental objects (such as rats, rabbits and the like) by those skilled in the art.

[0054] Based on the above embodiment, the actual operation process of the animal stress urinary incontinence modeling balloon 200 device for simulating birth injury of the present application is as follows:

[0055] After the mouse is anesthetized, the mouse is in a supine position, the vaginal orifice is sutured but not knotted;

[0056] The outer side of the balloon 200 in the animal stress urinary incontinence modeling balloon 200 device for simulating birth injury is lubricated with a lubricating liquid, and then the experimental personnel hold the holding part 120 to insert the balloon 200 into the vaginal orifice of the mouse. After being inserted to the specified position, the suture line is knotted;

[0057] AsFigure 1 and Figure 2 As shown in the figure, the experimenter holds the holding part 120 with one hand and holds the slide rod 300 with the other hand, pushes the slide rod 300 to the vaginal direction until the tenon 111 at the predetermined position pops out to form a clamping with the slide rod 300, at this time, the balloon 200 expands in the mouse's vagina as shown in the figure, that is, the effect of expanding the mouse's vagina by the balloon 200 is realized. Figure 2 As shown in the figure, the experimenter holds the holding part 120 with one hand and holds the slide rod 300 with the other hand, pushes the slide rod 300 to the vaginal direction until the tenon 111 at the predetermined position pops out to form a clamping with the slide rod 300, at this time, the balloon 200 expands in the mouse's vagina as shown in the figure, that is, the effect of expanding the mouse's vagina by the balloon 200 is realized.

[0058] In summary, the animal stress urinary incontinence modeling balloon device for simulating birth injury provided by the present application comprises a base rod, the base rod comprises a functional part arranged at one end; a balloon, the balloon comprises an elastically arranged framework and a sleeve, one end of the framework is fixedly connected with the end of the functional part, the other end is slidably connected with the functional part, and the sleeve is arranged outside the framework; a slide rod, the slide rod is slidably arranged on the functional part and detachably and clampingly connected with the predetermined position on the functional part. The present application sets the balloon and the slide rod on the functional part of the base rod, and when the slide rod slides, the framework in the balloon can be pushed up to make the framework and the sleeve form a spherical shape with a predetermined size, which is convenient for insertion into the predetermined position and stable support during the operation of expanding the mouse's vagina, and the cutting and water injection operation is not needed, the uncertainty caused by traditional water injection can be eliminated, the operation difficulty is reduced, and the experimental effect is stable.

[0059] It should be understood that the application of the present application is not limited to the above examples, and those skilled in the art can improve or change according to the above description, and all these improvements and changes shall belong to the protection scope of the claims of the present application.

Claims

1. A balloon device for simulating birth trauma in animals to create a model of stress urinary incontinence, characterized in that, The animal stress urinary incontinence modeling balloon device simulating birth trauma includes: A base rod, the base rod including a functional part disposed at one end; A balloon, comprising an elastically configured skeleton and a sleeve, wherein one end of the skeleton is fixedly connected to the end of the functional part, and the other end is slidably connected to the functional part, and the sleeve is disposed on the outside of the skeleton; A slide bar is slidably disposed on the functional part and is detachably engaged with a predetermined position on the functional part.

2. The animal stress urinary incontinence modeling balloon device for simulating birth trauma according to claim 1, characterized in that, The skeleton includes several elastic support rods, which are evenly arranged around the center line of the base rod, and the bladder is fixedly fitted onto the several support rods.

3. The animal stress urinary incontinence modeling balloon device for simulating birth trauma according to claim 1, characterized in that, A latch is provided on one side of the functional part. The latch is an elastic latch and can be detachably engaged with the slide rod. The latch is positioned perpendicular to the centerline of the base rod on the side facing the balloon. The latch is inclined at a predetermined angle on the side opposite to the balloon.

4. The animal stress urinary incontinence modeling balloon device for simulating birth trauma according to claim 3, characterized in that, The latch is located at a predetermined distance from one end of the functional part that is opposite to the balloon. When the balloon is inflated, the latch engages with the end of the slide rod.

5. The animal stress urinary incontinence modeling balloon device for simulating birth trauma according to claim 3, characterized in that, The latch is located in the middle of the functional part; A locking groove is hollowed out on one side of the slide rod, and the shape of the locking groove is adapted to the orthographic projection shape of the tenon. When the balloon is inflated, the latch engages with the engagement groove.

6. The animal stress urinary incontinence modeling balloon device for simulating birth trauma according to claim 3, characterized in that, Several latches are evenly arranged along the length direction of the functional part; Several of the aforementioned latches are detachably engaged with the slide rod.

7. The animal stress urinary incontinence modeling balloon device for simulating birth trauma according to claim 1, characterized in that, The base rod also includes a grip portion disposed at the other end of the base rod, and the diameter of the grip portion is larger than the diameter of the functional portion.

8. The animal stress urinary incontinence modeling balloon device for simulating birth trauma according to claim 1, characterized in that, The base rod has a flow guide hole inside, which extends through both ends of the base rod.

9. The animal stress urinary incontinence modeling balloon device for simulating birth trauma according to claim 8, characterized in that, The end of the base rod opposite to the balloon is detachably connected to the syringe.

10. The animal stress urinary incontinence modeling balloon device for simulating birth trauma according to claim 1, characterized in that, A rope loop is provided on the outer side of the end of the base rod opposite to the balloon.

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