CN221732082U - Vagina drug delivery device for gynecological diseases - Google Patents

Abstract

The utility model relates to the technical field of medical equipment, in particular to a vagina administration device for gynecological diseases, which comprises an administration tube body, a push rod part and a balloon, wherein the administration tube body comprises an internal section and an external section, and a plurality of medicine outlet holes are formed in the side wall of one side of the end part of the internal section; the side wall of the external section is provided with a dosing window; the push rod part comprises a first plug head and a plug rod, an air passage is arranged in the first plug head and the plug rod, the saccule is connected to the end part of the plug rod, a second plug head is further connected to the first plug head, and a containing cavity is arranged between the first plug head and the second plug head. When the second plug head slides through the medicine outlet area, body fluid penetrating into the inner part of the inner section can be scraped, so that medicine is prevented from being wasted due to the fact that medicine is adhered to the inner wall of the inner section when sprayed out, and powdery medicine placed in the accommodating cavity is prevented from being agglomerated due to the body fluid penetrating into the inner part of the inner section, and uniformity of medicine spraying is ensured.

Description

A vaginal drug delivery device for gynecological diseases

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a vaginal medication device for gynecological diseases.

Background Art

Vaginitis mainly refers to inflammation of the vaginal mucosa and submucosal connective tissue. Vaginitis is a common gynecological disease that can occur in women at any age. In the prior art, vaginitis is generally treated with topical anti-anaerobic drugs, which usually require the use of a dedicated applicator to deliver the drug to the affected area.

For example, the Chinese utility model patent with application number CN201520310580.4 discloses a drug delivery device, which includes multiple hollow sleeves, which are flexibly connected in the order of decreasing diameters to form a retractable overlapping structure, and the root of the hollow sleeve with the largest diameter is flexibly connected with an air bag, and the inner wall of the hollow sleeve with the smallest diameter is provided with a medicine groove; when the utility model is used, the powdered medicine is placed in the medicine groove, the hollow sleeve is placed in the drug delivery site, and the powdered medicine is blown into the drug delivery site by pressing the air bag for treatment. When the drug delivery site is deep, multiple hollow sleeves can be flexibly connected in the order of decreasing diameters to form a retractable overlapping structure, and multiple hollow sleeves can be unfolded to apply medicine, which saves time and effort and reduces the difficulty of work for medical staff. However, there are still some shortcomings, as described below:

When the above-mentioned drug delivery device is inserted into the patient's vagina, body fluids secreted by the human body are likely to penetrate into the cavity from the drug outlet at the end of the hollow sleeve. In this way, when the drug is sprayed out, it is easy to adhere to the inner wall of the hollow sleeve, resulting in drug waste. In addition, the body fluids that penetrate into the cavity of the hollow sleeve may also cause powdered drugs to agglomerate, affecting the uniformity of drug spraying.

Therefore, how to prevent body fluids secreted by the human body from penetrating into the cavity of the hollow cannula is a technical problem that needs to be solved urgently in the prior art.

Utility Model Content

The purpose of the utility model is to provide a vaginal drug delivery device for gynecological diseases in view of the problem that when the drug delivery device existing in the prior art is inserted into the patient's vagina, the body fluids secreted by the human body are easy to penetrate into the cavity from the drug outlet at the end of the hollow sleeve, so that the drug is easy to adhere to the inner wall of the hollow sleeve when it is sprayed, resulting in drug waste. The body fluids that penetrate into the cavity of the hollow sleeve may also cause powdered drugs to agglomerate, affecting the uniformity of drug spraying.

In order to achieve the above purpose, the technical solution adopted by the utility model is:

A vaginal drug delivery device for gynecological diseases, comprising a drug delivery tube body, a push rod component and a balloon, wherein the drug delivery tube body comprises an inner section and an outer section, wherein the inner section is used to extend into the patient's vagina, and a plurality of drug outlet holes are arranged on the side wall on one side of the end of the inner section; a drug delivery window is arranged on the side wall of the outer section, and powdered drugs can be delivered into the cavity of the drug delivery tube body through the drug delivery window; the push rod component comprises a first plug and a plug rod, wherein the first plug is clamped in the cavity of the drug delivery tube body, the plug rod is connected to the first plug, and the plug rod can push the first plug to slide in the cavity of the drug delivery tube body, an airway is arranged in the first plug and the plug rod, the balloon is connected to the end of the plug rod, and the balloon is communicated with the airway of the plug rod, the first plug is also connected to a second plug, the diameter of the second plug matches the diameter of the cavity of the drug delivery tube body, and an accommodating cavity is arranged between the first plug and the second plug, and the accommodating cavity is used to form a drug placement space.

Preferably, a partition is provided between the first plug and the second plug, and the partition divides the accommodating cavity formed between the first plug and the second plug into a plurality of independent chambers.

Preferably, a water absorbent pad is provided on the surface of the second plug.

Preferably, a rubber ring is further provided in the inner section of the body, and the rubber ring is used to block the medicine outlet hole. When the stopper rod is used to push the accommodating cavity formed between the first plug head and the second plug head to the medicine outlet hole area, the rubber ring is pushed to the end of the inner section of the body, and then the medicine outlet hole is opened;

An annular airbag is also provided on the outer wall of the inner section near the medicine outlet, and an air inlet is provided at the position of the inner section corresponding to the airbag. An isolation net is provided in the air inlet, and the isolation net is used to prevent powdered medicine from entering the airbag. The plug rod pushes the second plug to move toward the end of the inner section, so that the air in the drug delivery tube body can be pressed into the airbag through the air inlet to expand it, and after the second plug moves to the end of the inner section, the second plug or the first plug can block the air inlet.

Preferably, the isolation net is arranged flush with the inner wall of the cavity of the inner body section.

Preferably, the air inlet is arranged on one side of the top of the inner body section.

Preferably, two airbags are provided, and the two airbags are respectively arranged on the left and right sides of the medicine outlet.

Preferably, the drug administration tube body is provided with scale markings, and the scale markings are used to display the depth of the drug administration tube body inserted into the patient's body.

Preferably, the cross-sectional shape of the end of the inner segment is set to be hemispherical, and the end of the inner segment is detachable.

Preferably, the balloon and the plug rod are detachably connected.

In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

1. The vaginal drug delivery device for gynecological diseases described in the utility model is provided with the second plug head cooperating with the first plug head, and after the internal segment reaches the affected part of the patient's vagina, the plug rod can be used to push the accommodating cavity formed between the first plug head and the second plug head to the drug outlet area, so that when the second plug head slides over the drug outlet area, it can scrape off the body fluid that has penetrated into the internal segment of the body, on the one hand, avoiding the drug from adhering to the inner wall of the internal segment when spraying, causing the waste of the drug, and on the other hand, avoiding the body fluid that has penetrated into the internal segment of the body from causing the powdered drug placed in the accommodating cavity to agglomerate, thereby ensuring the uniformity of the drug when spraying;

2. The vaginal drug delivery device for gynecological diseases described in the utility model is provided with the rubber ring for sealing the drug outlet hole, which can further prevent body fluids from penetrating into the interior of the body segment; and when the plug rod is used to push the second plug head toward the body segment, the air in the drug delivery tube body can be squeezed into the airbag to expand it, and then the airbag can lift the patient's vaginal inner wall tissue to prevent it from sticking to the drug outlet hole, so that the medicine can be sprayed out from the drug outlet hole more smoothly and evenly, thereby improving the quality of drug application; and, the airbag can be used to firmly clamp the drug delivery tube body in the patient's vagina, effectively preventing the drug delivery tube body from sliding during the drug spraying operation, ensuring that the sprayed medicine can accurately act on the affected part of the patient's vagina, thereby improving the practicality of the utility model in use.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic structural diagram of a vaginal drug delivery device for gynecological diseases;

Fig. 2 is a schematic diagram of the structure of A in Fig. 1;

FIG. 3 is a schematic diagram of the structure of the airbag in an expanded state.

Markings in the figure: 1-drug delivery tube body, 2-push rod component, 3-balloon, 4-inner section, 5-external section, 6-drug outlet, 7-drug delivery window, 8-first plug, 9-plug rod, 10-airway, 11-second plug, 12-accommodating chamber, 13-partition, 14-water-absorbing pad, 15-rubber ring, 16-airbag, 17-air inlet, 18-isolation net.

DETAILED DESCRIPTION

The utility model is described in detail below in conjunction with the accompanying drawings.

To make the purpose, technical solution and advantages of the embodiments of the present utility model clearer, the technical solution in the embodiments of the present utility model will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all of them.

Therefore, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the present invention to be protected, but merely represents some embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not require further definition and explanation in the subsequent drawings.

In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "upper", "lower", etc. is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the invention product is usually placed when in use, or the orientation or position relationship commonly understood by those skilled in the art. Such terms are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

Embodiment 1: As shown in Figures 1 and 2, a vaginal drug delivery device for gynecological diseases described in the utility model comprises a drug delivery tube body 1, a push rod component 2 and a balloon 3. The drug delivery tube body 1 comprises an internal segment 4 and an external segment 5. The internal segment 4 is used to extend into the patient's vagina. A plurality of drug outlet holes 6 are arranged on the side wall of one side of the end of the internal segment 4; a drug delivery window 7 is arranged on the side wall of the external segment 5, and a powdered drug can be delivered into the cavity of the drug delivery tube body 1 through the drug delivery window 7; the push rod component 2 comprises a first plug 8 and a plug rod 9, and the first plug 8 is clamped in the cavity of the drug delivery tube body 1. The plug rod 9 is connected to the first plug head 8, and the plug rod 9 can push the first plug head 8 to slide in the cavity of the drug delivery tube body 1. An airway 10 is arranged in the first plug head 8 and the plug rod 9. The balloon 3 is connected to the end of the plug rod 9, and the balloon 3 is communicated with the airway 10 of the plug rod 9. The first plug head 8 is also connected to the second plug head 11, and the diameter of the second plug head 11 matches the cavity diameter of the drug delivery tube body 1. An accommodating cavity 12 is arranged between the first plug head 8 and the second plug head 11, and the accommodating cavity 12 is used to form a space for placing the drug.

A vaginal drug delivery device for gynecological diseases described in the utility model is used, and the second plug 11 is arranged to cooperate with the first plug 8. After the internal segment 4 reaches the affected part of the patient's vagina, the plug rod 9 can be used to push the accommodating cavity 12 formed between the first plug 8 and the second plug 11 to the area of the medicine outlet hole 6. In this way, when the second plug 11 slides over the area of the medicine outlet hole 6, it can scrape off the body fluid that has penetrated into the internal segment 4. On the one hand, it avoids the drug from adhering to the inner wall of the internal segment 4 when it is sprayed, causing a waste of the drug. On the other hand, it also avoids the body fluid that has penetrated into the internal segment 4 causing the powdered drug placed in the accommodating cavity 12 to agglomerate, thereby ensuring the uniformity of the drug when it is sprayed.

Specifically, when the utility model is used, the accommodating cavity 12 formed between the first plug 8 and the second plug 11 is first moved to the position of the medicine injection window 7, and after the powdered medicine is injected into the accommodating cavity 12 through the medicine injection window 7, the plug rod 9 is used to push the first plug 8 to move in the direction of the inner segment 4 until the accommodating cavity 12 formed between the first plug 8 and the second plug 11 is offset from the area of the medicine injection window 7 and stops, and then the inner segment 4 is extended into the patient's vagina, so that the medicine outlet 6 corresponds to the affected part in the patient's guide, and then the plug rod 9 is pushed again to push the accommodating cavity 12 formed between the first plug 8 and the second plug 11 to the area of the medicine outlet 6; at this time, the balloon 3 is squeezed, and the powdered medicine in the accommodating cavity 12 is sprayed out from the medicine outlet 6 under the action of the airflow and adheres to the inner wall of the patient's vagina. When the medicine in the accommodating cavity 12 is completely sprayed out, the drug delivery tube body 1 is pulled out from the patient's vagina, and the drug delivery operation is completed.

As a preferred embodiment, based on the above method, further, a partition 13 is provided between the first plug 8 and the second plug 11, and the partition 13 divides the accommodating chamber 12 formed between the first plug 8 and the second plug 11 into a plurality of independent chambers. With this structural setting, the distribution of the drug in the accommodating chamber 12 can be made more uniform, thereby further improving the uniformity of the drug when it is sprayed out.

As a preferred embodiment, based on the above method, further, a water-absorbing pad 14 is provided on the surface of the second plug 11 .

Specifically, the absorbent pad 14 in this embodiment is made of sponge material; the provision of the absorbent pad 14 can enable the body fluid that has penetrated into the internal segment 4 to be scraped off more thoroughly, thereby further avoiding the waste caused by the drug adhering to the inner wall of the internal segment 4; it also further avoids the body fluid that has penetrated into the internal segment 4 causing the powdered drug placed in the accommodating cavity 12 to agglomerate, thereby ensuring the uniformity of the drug when it is sprayed out.

Embodiment 2: As shown in FIGS. 1 to 3 , a vaginal drug delivery device for gynecological diseases according to the utility model is provided. On the basis of the above-mentioned method, a rubber ring 15 is further provided in the inner segment 4. The rubber ring 15 is used to block the drug outlet hole 6. When the accommodating cavity 12 formed between the first plug 8 and the second plug 11 is pushed to the region of the drug outlet hole 6 by the plug rod 9, the rubber ring 15 is pushed to the end of the inner segment 4, and then the drug outlet hole 6 is opened.

An annular airbag 16 is also provided on the outer wall of the inner section 4 near the medicine outlet hole 6, and an air inlet 17 is provided at the position of the inner section 4 corresponding to the airbag 16. An isolation net 18 is provided in the air inlet 17, and the isolation net 18 is used to prevent powdered medicine from entering the airbag 16. The plug rod 9 pushes the second plug 11 to move toward the end of the inner section 4, and the air in the drug delivery tube body 1 can be pressed into the airbag 16 through the air inlet 17 to expand it. After the second plug 11 moves to the end of the inner section 4, the second plug 11 or the first plug 8 can block the air inlet 17.

In the present embodiment, the rubber ring 15 is provided for sealing the medicine outlet hole 6, which can further prevent body fluids from penetrating into the interior of the body segment 4; and when the plug rod 9 is used to push the second plug head 11 to move toward the body segment 4, the air in the drug administration tube body 1 can be squeezed into the airbag 16 to expand it, and then the airbag 16 can lift the patient's vaginal inner wall tissue to prevent it from adhering to the medicine outlet hole 6, so that the medicine can be sprayed out from the medicine outlet hole 6 more smoothly and evenly, thereby improving the quality of medicine application; and, the airbag 16 can be used to firmly clamp the drug administration tube body 1 in the patient's vagina, effectively preventing the drug administration tube body 1 from sliding during the drug spraying operation, ensuring that the sprayed medicine can accurately act on the affected part of the patient's vagina, thereby improving the practicality of the utility model in use.

Specifically, in this embodiment, during the operation of the internal segment 4 extending into the patient's vagina, the rubber ring 15 is located at the medicine outlet 6; during the operation of using the plug rod 9 to push the accommodating cavity 12 formed between the first plug 8 and the second plug 11 to the medicine outlet 6 area, before the second plug 11 moves to the rubber ring 15, since the medicine outlet 6 is blocked, the air in the drug delivery tube body 1 can be pressed into the air bag 16 through the air inlet 17, and the air bag 16 gradually expands; when the second plug 11 pushes the rubber ring 15 When it reaches the end of the internal section 4, the medicine outlet 6 is opened, and the second plug 11 or the first plug 8 moves to the air inlet 17 to block it, and the airbag 16 can remain in an expanded state; when the spraying operation is completed, the plug rod 9 is used to pull the second plug 11 to move toward the end of the external section 5, and the second plug 11 or the first plug 8 leaves the air inlet 17. The air in the airbag 16 can be discharged through the air inlet 17. When the airbag 16 is completely deflated, the drug delivery tube body 1 can be taken out of the patient's vagina.

As a preferred embodiment, based on the above method, further, the isolation net 18 is arranged flush with the inner wall of the cavity of the inner body section 4. With this structural arrangement, it is possible to avoid the powdered medicine remaining at the air inlet 17 and causing waste.

As a preferred embodiment, based on the above manner, further, the air inlet 17 is arranged on the top side of the inner body section 4. With this structural arrangement, when the plug rod 9 pushes the accommodating cavity 12 formed between the first plug head 8 and the second plug head 11 to the area of the medicine outlet hole 6, the powdered medicine is prevented from contacting the isolation net 18, thereby reducing the risk of the isolation net 18 being blocked by the medicine.

It should be noted that in this embodiment, when the medicine is filled into the accommodating cavity 12 of the first plug 8 and the second plug 11, a certain amount of space needs to be left so that the medicine in the accommodating cavity 12 can be fully diffused under the action of the airflow. Therefore, when the plug rod 9 pushes the accommodating cavity 12 formed between the first plug 8 and the second plug 11 to the area of the medicine outlet hole 6, the powdered medicine is prevented from contacting the isolation net 18.

As a preferred embodiment, based on the above method, further, the airbags 16 are provided in two numbers, and the two airbags 16 are respectively provided on the left and right sides of the medicine outlet 6. With this structural setting, after the airbags 16 are expanded, the distance between the affected part of the patient's vaginal inner wall and the medicine outlet 6 can be increased, thereby further improving the smoothness and uniformity of the medicine sprayed from the medicine outlet 6, and improving the quality of the medicine application.

Embodiment 3: As shown in Figures 1 to 3, the vaginal medication device for gynecological diseases described in the utility model is based on the above method. Further, the medication tube body 1 is provided with a scale mark, and the scale mark is used to show the depth of the medication tube body 1 inserted into the patient's body. This structural setting improves the practicality of the utility model in actual use.

As a preferred embodiment, based on the above method, further, the cross-sectional shape of the end of the inner segment 4 is set to be hemispherical, and the end of the inner segment 4 is detachable.

Specifically, the end of the internal segment 4 is threadedly connected with the internal segments 4; the cross-sectional shape of the end of the internal segment 4 is set to be hemispherical, which can improve the smoothness of the drug delivery tube 1 extending into the patient's vagina; in this embodiment, after the end of the internal segment 4 is disassembled, the rubber ring 15 can be exposed, and then the operator uses a tool to push the rubber ring 15 toward the external segment 5 to return it to the medicine hole area, so that the vaginal drug delivery device of the utility model can be reused.

As a preferred embodiment, based on the above-mentioned method, further, the balloon 3 and the plug rod 9 are detachably connected.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The vaginal administration device for the gynecological diseases is characterized by comprising an administration tube body, a push rod part and a balloon, wherein the administration tube body comprises an internal section and an external section, the internal section is used for extending into the vagina of a patient, and a plurality of medicine outlet holes are formed in the side wall of one side of the end part of the internal section; the side wall of the external section is provided with an administration window through which powdered medicine can be put into the cavity of the administration tube body; the push rod component comprises a first plug and a plug rod, wherein the first plug is clamped in a cavity of the administration tube body, the plug rod is connected with the first plug, the plug rod can push the first plug to slide in the cavity of the administration tube body, an air passage is formed in the first plug and the plug rod, the balloon is connected with the end part of the plug rod, the balloon is communicated with the air passage of the plug rod, a second plug is further connected to the first plug, the diameter of the second plug is matched with the diameter of the cavity of the administration tube body, and a containing cavity is formed between the first plug and the second plug and used for forming a medicine placing space.

2. The vaginal drug delivery device for gynecological diseases according to claim 1, wherein a partition is provided between the first plug and the second plug, and the partition divides the accommodation chamber formed between the first plug and the second plug into a plurality of independent chambers.

3. The vaginal drug delivery device for gynecological diseases according to claim 2, wherein the surface of the second stopper is provided with a water absorbing pad.

4. The vaginal drug delivery device for gynecological diseases according to claim 3, wherein a rubber ring is further provided in the inner section, the rubber ring is used for blocking the drug outlet, and when the plug rod is used for pushing the accommodating cavity formed between the first plug head and the second plug head to the drug outlet area, the rubber ring is pushed to the end of the inner section, so that the drug outlet is opened;

An annular air bag is further arranged on the outer wall of the inner section close to the medicine outlet hole, an air inlet is arranged at the position of the inner section corresponding to the air bag, an isolation net is arranged in the air inlet and used for preventing powdery medicines from entering the air bag, the plug rod is utilized to push the second plug head to move towards the end part of the inner section, so that air in the administration tube body can be pressed into the air bag through the air inlet to expand, and after the second plug head moves to the end part of the inner section, the second plug head or the first plug head can plug the air inlet.

5. The gynecological vaginal drug delivery device according to claim 4, wherein said spacer mesh is disposed flush with the inner wall of the lumen of said inner body segment.

6. The vaginal drug delivery device for gynecological diseases according to claim 5, wherein the air inlet is provided at the top side of the inner body section.

7. The vaginal drug delivery device for gynecological diseases according to claim 4, wherein the number of the air bags is two, and the two air bags are respectively arranged at the left side and the right side of the drug outlet hole.

8. The vaginal drug delivery device for gynecological diseases according to claim 1, wherein the drug delivery tube body is provided with scale marks for displaying the depth of the drug delivery tube body extending into the patient.

9. The vaginal drug delivery device for gynecological diseases according to claim 4, wherein the end of the inner section is provided in a hemispherical shape in cross section, and the end of the inner section is detachable.

10. The vaginal drug delivery device for gynecological diseases according to claim 1, wherein the balloon is detachably connected to the stopper rod.