Anti-reflux indwelling uterine cavity medicine injection device

Abstract

The utility model discloses an anti-regurgitation indwelling uterine cavity medicine injection device which comprises a bag body, a connecting pipe, a medicine injection pipe, a pressurizing pipe and a locking piece, one end of the connecting pipe is connected with the bag body, the locking piece is arranged at the other end of the connecting pipe, the medicine injection pipe penetrates through the connecting pipe and the bag body, and the pressurizing pipe penetrates through the connecting pipe and extends into the bag body. During use, the bag body is arranged in the uterine cavity, the locking piece is located outside the cervix uteri, water or air is injected into the bag body through the pressurizing pipe, the bag body is expanded to cover and block the cervix uteri inner opening, the locking piece at the other end of the connecting pipe is locked, and the expanded bag body in the uterine cavity is matched with the locking piece outside the cervix uteri to fix the connecting pipe, the medicine injection pipe, the pressurizing pipe and the like. Therapeutic medicine can be injected into the uterine cavity through the medicine injection tube, the bag body can prevent the medicine from flowing back, prolong the action time of the medicine and remain in the uterine cavity and the vagina in a short term or a relatively long term, medicine injection every day without intubation and medicine injection every other day or multiple times are achieved, the treatment effect is improved, and damage to a patient and the medical cost are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field especially, relate to a prevent the flow back's can stay in uterine cavity injection device. BACKGROUND

[0002] At present, many uterine diseases or uterine environment abnormalities in assisted reproduction clinically, including thin endometrium, intrauterine adhesion, repeated intrauterine fluid, etc., often cause patients to have infertility, test tube failure or even repeated embryo implantation failure, often need to be treated by intrauterine injection, and even need multiple intrauterine injection, improve the pregnancy rate. There is no such special injection device in the clinic. Artificial insemination tube or urinary catheter is used to replace it in the clinic. The biggest problem of this method is drug reflux. Obvious drug reflux occurs at the same time of injection or after the tube is removed after injection, which leads to less drug retention in the uterine cavity and short retention time. At the same time, if multiple injections are needed within 1-2 weeks, multiple intrauterine intubations are needed, which increases the pain and medical expenses of patients. SUMMARY

[0003] The utility model solves the technical problem that the prior art lacks, and provides an intrauterine injection device which can prevent drug reflux, prolong the action time, be relatively long-term in the uterine cavity and the vagina, avoid repeated intubation, reduce patient injury and medical expenses.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme:

[0005] A prevent the flow back's can stay in uterine cavity injection device, including capsule, connecting pipe, injection pipe, booster pipe and locking piece, one end of the connecting pipe is connected with the capsule, the locking piece is arranged on the other end of the connecting pipe, the injection pipe penetrates the connecting pipe and the capsule, the booster pipe penetrates the connecting pipe and extends into the capsule.

[0006] As a further improvement of the above technical scheme: the outer wall of the connecting pipe is provided with a threaded section, and the locking piece is a locking nut.

[0007] As a further improvement of the above technical scheme: the locking piece is a conical structure.

[0008] As a further improvement of the above technical scheme: the capsule is a V-shaped structure.

[0009] As a further improvement of the above technical scheme: the prevent the flow back's can stay in uterine cavity injection device further includes an injection connector and a sterile cap, the injection connector can extend to the outside of the vagina, and the injection connector and the sterile cap can be detachably connected to the end of the injection pipe away from the capsule.

[0010] As a further improvement of the above technical solution: the medicine injection connector and the sterile cap are both threadedly connected with the medicine injection tube away from the capsule.

[0011] As a further improvement of the above technical solution: the medicine injection tube away from the capsule is provided with a one-way valve.

[0012] As a further improvement of the above technical solution: the one-way valve is a membrane flap type one-way valve.

[0013] Compared with the prior art, the advantages of the present application are that:

[0014] The anti-reflux indwelling uterine cavity medicine injection device disclosed by the present application is used by placing the capsule in the uterine cavity, locating the locking member outside the cervix, injecting water or air into the capsule through the booster pipe to make the capsule swell and cover and block the inner mouth of the cervix, locking the locking member at the other end of the connecting pipe, and fixing the connecting pipe, the medicine injection pipe, the booster pipe and the like by cooperation of the swelled capsule in the uterine cavity and the locking member outside the cervix. The treatment medicine can be injected into the uterine cavity through the medicine injection pipe, the capsule can prevent the medicine from refluxing, prolong the action time of the medicine, and can be used for single injection, short-term injection for several minutes, hours or relatively long-term injection for several days in the uterine cavity and the vagina, realizing daily injection without intubation, repeated injection every other day or multiple times, improving the treatment effect, and reducing the damage to the patient and the medical cost.

[0015] Other features and advantages of the present application will be described in detail in the following specific embodiment part. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structure schematic view of the anti-reflux indwelling uterine cavity medicine injection device of the present application.

[0017] Figure 2 is a structure schematic view of the medicine injection pipe and the medicine injection connector in the present application.

[0018] Figure 3 is a structure schematic view of the medicine injection pipe and the sterile cap in the present application.

[0019] Figure 4 is a structure schematic view of the locking member in the present application.

[0020] The numbers in the figure represent:

[0021] 1, capsule; 2, connecting pipe; 3, medicine injection pipe; 4, booster pipe; 5, locking member; 6, medicine injection connector; 7, sterile cap; 8, one-way valve. DETAILED DESCRIPTION

[0022] In the description of the utility model, it is understood that the directions or position relations of the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the directions or position relations shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the utility model.

[0023] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.

[0024] In the utility model, unless otherwise specified and limited, the terms "assembly", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the communication or interaction relationship between two elements. For ordinary skilled persons in the art, the specific meanings of the above terms in the utility model can be understood according to the specific circumstances.

[0025] The utility model will be further described in detail below in combination with the drawings and specific embodiments of the specification.

[0026] Figures 1 to 4 An embodiment of the anti-reflux indwelling uterine cavity injection device of the utility model is shown, the anti-reflux indwelling uterine cavity injection device of the embodiment, including bag body 1, connecting pipe 2, injection pipe 3, booster pipe 4 and locking piece 5, connecting pipe 2 one end is connected with bag body 1, locking piece 5 is located at the other end of connecting pipe 2, injection pipe 3 penetrates connecting pipe 2 and bag body 1, booster pipe 4 penetrates connecting pipe 2 and extends into bag body 1 (namely booster pipe 4 and bag body 1 internal communication).

[0027] The anti-reflux indwelling uterine cavity injection device of the embodiment is used by placing the capsule 1 in the uterine cavity, locking the locking member 5 outside the cervix, injecting water or air into the capsule 1 through the booster pipe 4 to make the capsule 1 swell to cover and block the inner opening of the cervix, locking the locking member 5 at the other end of the connecting pipe 2, and cooperating the swollen capsule 1 in the uterine cavity with the locking member 5 outside the cervix to fix the connecting pipe 2, the injection pipe 3, the booster pipe 4 and the like. The therapeutic drug can be injected into the uterine cavity through the injection pipe 3, and the capsule 1 can prevent the drug from refluxing, prolong the drug action time, and can be used for single injection, short-term injection for several minutes, hours or relatively long-term injection for several days in the uterine cavity and vagina, to realize free catheterization daily injection, repeated injection every other day or multiple times, improve the treatment effect, and reduce the damage to the patient and the medical cost.

[0028] Specifically refer to Figure 4 As a preferred embodiment, the outer wall of the connecting pipe 2 is provided with a threaded segment, and the locking member 5 is a locking nut. The threaded connection between the locking member 5 and the connecting pipe 2 has good reliability, and the relative position of the locking member 5 on the connecting pipe 2 is adjustable, which has strong adaptability. Of course, in other embodiments, the locking member 5 can be a clamp or the like, and the connecting pipe 2 can be a non-threaded hose integrated with the capsule 1, which is locked with the clamp or the like.

[0029] Further, in the embodiment, the locking member 5 is a conical structure. The conical locking member 5 can effectively block the gap around the connecting pipe 2, increase the second blocking while the capsule 1 blocks the drug reflux channel, and further improve the fixing effect.

[0030] As a preferred embodiment, the capsule 1 is a V-shaped structure. Compared with the conventional balloon (mainly used for preventing uterine cavity adhesion), the V-shaped capsule 1 expands in all directions, which is beneficial to prevent falling off, and the recess in the center of the capsule 1 can increase the drug storage space in the uterine cavity, which has reasonable and effective structure.

[0031] Further, in the embodiment, the anti-reflux indwelling uterine cavity injection device further comprises an injection connector 6 and a sterile cap 7, both of which can be detachably connected to the end (the lower end in Figure 1 Specifically refer to Figure 2 and Figure 3When the medicine needs to be injected, the medicine injection connector 6 is connected with the medicine injection tube 3, and the medicine is injected into the uterine cavity through a syringe or the like. The medicine injection connector 6 can be extended outside the vagina, and the medicine injection connector 6 plays a role of an extension tube, which is convenient for operation or temporary fixation outside the body. After the medicine injection is completed, the medicine injection connector 6 is detached, and the sterile cap 7 is connected with the medicine injection tube 3, so that the sterility in the medicine injection tube 3 is maintained, and the medicine injection tube 3 can be left in the vagina, which is beneficial for the patient to carry and reduces discomfort. The sterile cap 7 can be removed, the medicine injection connector 6 is connected, and the medicine injection is completed again or repeatedly. The structure of the medicine injection connector 6 and the pressure increasing tube 4 at one end outside the capsule 1 can be similar to a urinary catheter, which is convenient for medicine injection and water injection (or inflation) operation.

[0032] As a preferred embodiment, the medicine injection connector 6 and the sterile cap 7 can be threadedly connected with the medicine injection tube 3 away from the capsule 1. The threaded connection has good reliability and is convenient for disassembly and assembly. Of course, in other embodiments, the medicine injection connector 6 and the sterile cap 7 can be detachably connected with the medicine injection tube 3 through a clamp, a tapered socket or the like.

[0033] Further, in the embodiment, the medicine injection tube 3 away from the capsule 1 is provided with a one-way valve 8. The one-way valve 8 is arranged, and the medicine in the medicine injection tube 3 can be further prevented from flowing back.

[0034] As a preferred embodiment, the one-way valve 8 is a membrane flap type one-way valve, which has simple structure, low cost and good backflow prevention effect.

[0035] Although the utility model has been disclosed as above with a preferred embodiment, it is not intended to limit the utility model. Any person skilled in the art can make many possible changes and modifications to the utility model technical solution or modify equivalent embodiments with equivalent changes without departing from the scope of the utility model technical solution. Therefore, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the utility model technical solution should fall within the scope of protection of the utility model technical solution.

Claims

1. A prevent reflux of indwelling uterine cavity injection device, it is characterized in being: The application relates to a medicine injection device, which comprises a capsule (1), a connecting pipe (2), a medicine injection pipe (3), a pressure pipe (4) and a locking member (5), one end of the connecting pipe (2) is connected with the capsule (1), the locking member (5) is arranged at the other end of the connecting pipe (2), the medicine injection pipe (3) penetrates through the connecting pipe (2) and the capsule (1), and the pressure pipe (4) penetrates through the connecting pipe (2) and extends into the capsule (1).

2. The anti-reflux indwelling uterine cavity infusion device according to claim 1, characterized in that: The outer wall of the connecting pipe (2) is provided with a threaded section, and the locking member (5) is a locking nut.

3. The anti-reflux indwelling uterine cavity infusion device according to claim 1, characterized in that: The locking member (5) is a conical structure.

4. The anti-reflux indwelling uterine cavity infusion device according to claim 1, characterized in that: The capsule (1) is a V-shaped structure.

5. The indwelling uterine instillation device according to any one of claims 1 to 4, characterized in that: The application further relates to a medicine injection joint (6) and a sterile cap (7), the medicine injection joint (6) can extend outside the vagina, and the medicine injection joint (6) and the sterile cap (7) can be detachably connected with one end of the medicine injection pipe (3) away from the capsule (1).

6. The indwelling uterine instillation device of claim 5, wherein: The medicine injection joint (6) and the sterile cap (7) can be threadedly connected with one end of the medicine injection pipe (3) away from the capsule (1).

7. The indwelling uterine instillation device of any one of claims 1 to 4, wherein: One end of the medicine injection pipe (3) away from the capsule (1) is provided with a one-way valve (8).

8. The indwelling uterine instillation device of claim 7, wherein: The one-way valve (8) is a membrane flap type one-way valve.

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