Cervical administration device

Abstract

The utility model provides a cervix administration device which comprises a delivery part and an expansion part, the delivery part is of a cone structure, and the conical surface of the cone structure is an inwards-sunken curved surface and is matched with the shape of a cervix opening; the microneedle patch is mounted on the surface of the delivery part; the bottom of the cone structure is provided with a supporting chassis with a certain thickness, and the supporting chassis plays a supporting role on the whole; a through hole is formed in the delivery part in a penetrating manner, and the delivery part is integrally mounted on the connecting long tube of the expansion part through the through hole to form a whole, so that the micro-needle patch is delivered to the diseased region of the cervical orifice of a patient to realize micro-needle drug delivery; the dilation component is further provided with a balloon, and the purpose of slowly and controllably dilating the cervical orifice is achieved after liquid / gas is injected; therefore, the transvaginal drug delivery device specially used for delivering the microneedle patch to the cervix uteri is constructed, a delivery scheme is provided for the microneedle patch in treatment application of cervical diseases, and the treatment comfort of a patient and the treatment efficiency of medical staff are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of medical apparatus and instruments, and particularly relates to a cervix uteri dosing device. BACKGROUND

[0002] As a new type of drug delivery technology, the microneedle patch has the advantages of minimally invasive, painless, convenient operation, and controllable drug loading. At present, the drug treatment or disease monitoring scheme based on the microneedle patch delivery platform has rapidly developed in clinical applications, such as skin diseases or cosmetic hair growth, blood glucose monitoring and regulation, bone and joint diseases, and tumor treatment. However, the microneedle patch has not been fully focused on the diagnosis and treatment of gynecological diseases, such as cervicitis, cervical intraepithelial lesions, and cervical cancer. The microneedle patch can achieve drug delivery and drug loading control at a specific site, and its non-invasive advantage is beneficial to recovery after treatment, and its convenience can improve the patient's compliance during treatment. There is no microneedle patch for cervical drug delivery device in the current clinical application, which hinders the practical application of the excellent drug delivery technology of the microneedle patch to cervical lesions

[0003] Therefore, how to provide a transvaginal drug delivery device specially used for delivering a microneedle patch to the cervix uteri is an urgent technical problem for those skilled in the art. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problem of providing a cervix uteri dosing device to at least solve the above technical problem.

[0005] To solve the above technical problem, the utility model provides a cervix uteri dosing device, which comprises a delivery component, the delivery component is in a conical body structure, wherein the conical surface of the conical body structure is a concave curved surface, and the bottom of the conical body structure is a support disc with a thickness; the delivery component is provided with a through hole, the through hole is provided from the top of the delivery component to the bottom of the delivery component, and the through direction of the through hole is perpendicular to the support disc; the expansion component comprises a connecting long tube and a disc, and the connecting long tube is inserted into the center of the disc; the hole diameter of the through hole is matched with the diameter of the connecting long tube, so that the delivery component is installed on the connecting long tube through the through hole, and the support disc abuts against the disc; the microneedle patch is installed on the conical surface of the delivery component.

[0006] Optionally, the connecting long tube comprises a support tube and a handle, the support tube is arranged above the disc, the delivery component is sleeved on the support tube, and the handle is arranged below the disc; wherein the diameter of the handle is larger than the diameter of the support tube, the diameter of the support tube is matched with the hole diameter of the through hole, and the length of the support tube is matched with the length of the expanding component.

[0007] Optionally, the expanding component further comprises a balloon arranged at the end of the support tube, the inside of the support tube and the handle is provided with a liquid guide channel in communication, and the balloon is in communication with the liquid guide channel; the bottom of the handle is provided with an injection device.

[0008] Optionally, the center of the microneedle patch is provided with a mounting hole, the mounting hole passes through the vertex of the delivery component, the adhesive surface of the microneedle patch faces inward and is attached to the delivery component, and the microneedle surface of the microneedle patch faces outward.

[0009] Optionally, the support tube, the disc and the handle are integrally formed.

[0010] Optionally, the injection device is a press-type inflation switch or a liquid injection hard valve.

[0011] Optionally, the delivery component is made of medical rubber or medical metal or polypropylene material.

[0012] Optionally, the balloon is made of medical rubber or polyvinyl chloride or polypropylene material.

[0013] Optionally, the diameter of the support disc is 2.5-3.6 cm, the thickness of the support disc is 0.5 cm, the height of the delivery component is 3 cm, and the diameter of the top of the delivery component is 0.3 cm.

[0014] Optionally, the length of the handle is 10-15 cm.

[0015] Beneficial effects:

[0016] The utility model provides a kind of cervix dosing device, including delivery component and expansion component, delivery component is conical structure, the taper face of conical structure is inwardly recessed curved surface, the curved surface form is attached to cervix, it is convenient for treatment use;Microneedle patch is installed on the surface of delivery component, and it is attached to patient cervix to administer;The bottom of conical structure is the support base with thickness, and it plays a supporting role as a whole;Delivery component is provided with through hole, and the whole is installed on the connecting long tube of expansion component by the through hole, to deliver delivery component to the cervix of patient by expansion component and administer;When using, medical staff can hand the connecting long tube in expansion state to place the delivery device with microneedle patch to cervix through vagina, can stably exert force to insert microneedle patch into cervix surface, and realize microneedle delivery drug by microneedle patch installed on the surface of delivery component to the diseased part of patient cervix, provide delivery scheme for microneedle patch in the treatment application of cervix disease;Therefore, on the one hand, the convenience of administration is improved by being combined with microneedle technology, and the treatment trauma and discomfort of patient are reduced, on the one hand, the taper curved surface attached to the structure of cervix is also set to patient cervix disease for all-around coverage type administration, and the efficiency of treatment is improved;Therefore, a transvaginal administration device for delivering microneedle patch to cervix is realized, the treatment comfort of patient is improved, and the treatment efficiency and convenience of medical staff are also improved.

[0017] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, can be implemented according to the content of the specification, and in order to let the above and other purposes, characteristics and advantages of the utility model can be more obvious and easy to understand, the specific embodiment of the utility model is as follows. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiment or prior art of the present specification, the drawings needed in the embodiment will be briefly introduced as follows, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can obtain other drawings according to these drawings without creating labor.

[0019] Figure 1 The whole device schematic diagram of the cervix dosing device provided in the embodiment of the application is shown in the figure;

[0020] Figure 2 The whole device schematic diagram of the cervix dosing device provided in the embodiment of the application is shown in the figure;

[0021] Figure 3 The delivery component structure schematic diagram of the cervix dosing device provided in the embodiment of the application is shown in the figure;

[0022] Figure 4 An expansion component structure diagram of a uterine cervix administration device provided by the embodiment of the present application;

[0023] Reference signs:

[0024] 1 - delivery component;

[0025] 11 - support base plate;

[0026] 12 - through hole;

[0027] 2 - expansion component;

[0028] 21 - connecting long tube;

[0029] 211 - support tube;

[0030] 212 - handle;

[0031] 22 - disc;

[0032] 23 - balloon;

[0033] 24 - injection device; DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0035] Meanwhile, in the embodiments of the present application, when a component is referred to as "fixed to" another component, it can be directly on the other component or there can be a middle component. When a component is referred to as "connected to" another component, it can be directly connected to the other component or there can be a middle component. When a component is referred to as "disposed on" another component, it can be directly disposed on the other component or there can be a middle component. The terms "vertical", "horizontal", "left", "right", and similar expressions used in the embodiments of the present application are only for illustrative purposes, and are not intended to limit the present application.

[0036] Please refer to Figures 1-3The embodiment provides a cervical drug delivery device, which comprises a delivery component 1, the delivery component 1 is in a conical structure, the taper surface of the conical structure is a concave curved surface, and the bottom of the conical structure is a supporting disc 11 with a thickness; the delivery component 1 is provided with a through hole 12, the through hole 12 is arranged from the top of the delivery component 1 to the bottom of the delivery component 1, and the through direction of the through hole 12 is perpendicular to the supporting disc 11; an expansion component 2, the expansion component 2 comprises a connecting long tube 21 and a disc 22, the connecting long tube 21 is arranged in the center of the disc 22; the diameter of the through hole 12 is matched with the diameter of the connecting long tube 21, so that the delivery component 1 is installed on the connecting long tube 21 through the through hole 12, and the supporting disc 11 abuts against the disc 22; a microneedle patch is installed on the taper surface of the delivery component 1.

[0037] Specifically, the cervical drug delivery device comprises a delivery component 1 and an expansion component 2, the delivery component 1 is in a conical structure, the taper surface of the conical structure is a concave curved surface, the curved surface is matched with the cervical orifice, and the treatment is convenient to use; a microneedle patch is installed on the surface of the delivery component and matched with the cervical of a patient for drug delivery; the bottom of the conical structure is a supporting disc 11 with a thickness, which supports the whole device; the delivery component 1 is provided with a through hole 12, and the whole device is installed on the connecting long tube 21 of the expansion component 2 through the through hole 12, so that the delivery component 1 is delivered to the cervical orifice of the patient through the expansion component 2 for drug delivery; when in use, medical staff can hold the connecting long tube in the expansion state, and make the delivery device with the microneedle patch abut against the cervical orifice through the vagina, so that the microneedle patch can be stably inserted into the surface of the cervical orifice, and the microneedle patch installed on the surface of the delivery component can be used for microneedle drug delivery to the diseased part of the cervical orifice of the patient, which can be used for drug delivery or other treatment schemes; in this way, on the one hand, the convenience of drug delivery is improved by combining with the microneedle technology, and the treatment trauma and discomfort of the patient are reduced; on the other hand, the diseased part of the cervical orifice of the patient is covered in all directions for drug delivery by the taper surface matched with the structure of the cervical orifice, and the treatment efficiency is improved; in this way, a transvaginal drug delivery device specially used for delivering the microneedle patch to the cervical orifice is constructed, the treatment comfort of the patient is improved, and the treatment efficiency and convenience of the medical staff are also improved.

[0038] In some possible embodiments, the connecting long tube 21 comprises a supporting tube 211 and a handle 212, the supporting tube 211 is arranged above the disc 22, the delivery component 1 is sleeved on the supporting tube 211, and the handle 212 is arranged below the disc 22; the diameter of the handle 212 is greater than that of the supporting tube 211, the diameter of the supporting tube 211 is matched with the diameter of the through hole 12, and the length of the supporting tube 211 is matched with the length of the expansion component 2.

[0039] Specifically, the connecting long tube 21 comprises a support tube 211 and a handle 212, the diameter of the support tube 211 is matched with the hole diameter of the through hole of the delivery component 1, for supporting and fixing the delivery component 1; the diameter of the handle 212 is larger than that of the support tube 211, and the medical staff can put the delivery component 1 into the vagina of the patient through the handle 212 during use, which is convenient for the medical staff to hold.

[0040] In some possible embodiments, the expanding component 2 further comprises a balloon 23, the balloon 23 is arranged at the end of the support tube 211, the inside of the support tube 211 and the handle 212 are both provided with a liquid guide channel in communication, and the balloon 23 is in communication with the liquid guide channel; the bottom of the handle 212 is provided with an injection device 24.

[0041] Specifically, as shown in the drawings, the expanding component 2 further comprises a balloon 23, the balloon 23 can contain liquid or gas, the balloon 23 is in communication with the liquid guide channel, and the medical staff can inject liquid / gas into the balloon 23 through the injection device 24 during use, so as to slowly and controllably expand the cervical os, so that the microneedle patch is better attached to the surface of the uterine cervix, and the delivery component 1 can be further fixed, and the stability of the whole device is improved. Figure 3 In some possible embodiments, the center of the microneedle patch is provided with a mounting hole, the mounting hole passes through the vertex of the delivery component 1, the adhesive surface of the microneedle patch faces inward and is attached to the delivery component 1, and the microneedle surface of the microneedle patch faces outward.

[0042] Specifically, the microneedle patch passes through the vertex of the delivery component 1 through the mounting hole, the microneedle patch is usually made of sodium hyaluronate material, the inside of the microneedle patch can be provided with therapeutic liquid during use, the liquid is input to the affected area after the microneedle pierces the affected area to achieve a therapeutic effect; the microneedle patch can be prepared by using the existing technology.

[0043] In some possible embodiments, the support tube 211, the disc 22 and the handle 212 are integrally formed; the injection device 24 is a press-type inflation switch or a liquid injection hard valve.

[0044] Specifically, the injection device 24 can be a press-type inflation switch or a liquid injection hard valve, the press-type inflation switch is convenient for injecting gas into the balloon 23, and the liquid injection hard valve is convenient for injecting liquid into the balloon 23, the press-type inflation switch or the liquid injection hard valve can be prepared by using the existing technology, and the medical staff can install according to the needs.

[0045] In some possible embodiments, the delivery component 1 is prepared from medical rubber, medical metal or polypropylene; the balloon 23 is prepared from rubber, polyvinyl chloride or polypropylene.

[0046]

[0047] ​Specifically, the delivery component 1 is prepared from medical rubber or medical metal or polypropylene; the balloon 23 is prepared from medical rubber or polyvinyl chloride or polypropylene; the above-mentioned materials are all high polymer materials, which have good biocompatibility and plasticity, are widely used in the field of medical devices, and are easy to clean, not easy to cause allergy, and convenient for clinical use.

[0048] In some possible embodiments, the diameter of the support base 11 is 2.5-3.6 cm, the thickness of the support base 11 is 0.5 cm; the height of the delivery component 1 is 3 cm, and the diameter of the top of the delivery component 1 is 0.3 cm; the length of the handle 212 is 10-15 cm.

[0049] Specifically, the diameter of the support base 11 in the delivery component 1 is 2.5-3.6 cm, the thickness of the support base 11 is 0.5 cm; the height of the delivery component 1 is 3 cm, and the diameter of the top of the delivery component 1 is 0.3 cm, which is suitable for the size of the patient's vagina and cervix, and is convenient for clinical use; the length of the handle 212 is 10-15 cm, which is suitable for the length of the patient's vagina, so that the medical staff can send the delivery component 1 into the patient's vagina and hold the handle 212, improving the operability.

[0050] Finally, it should be noted that the above embodiments are merely specific embodiments of the present application, which are used to illustrate the technical solutions of the present application, but not to limit them, and the protection scope of the present application is not limited thereto. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that any person skilled in the art can make modifications or easily think of changes to the technical solutions recorded in the foregoing embodiments within the technical range disclosed by the present application, or make equivalent replacements to some of the technical features; and these modifications, changes or replacements do not make the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application. They should all be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

[0051] Although the embodiments of the present application have been disclosed as above, they are not limited to the applications listed in the specification and embodiments, and can be fully applied to various fields suitable for the present application. Those skilled in the art can easily make further modifications, and therefore the present application is not limited to specific details and figures shown and described herein, without departing from the general concept defined by the claims and equivalent scope.

Claims

1. A cervical drug delivery device, characterized in that, The cervical administration device comprises: a delivery component (1) in a conical structure, wherein the tapered surface of the conical structure is a concave curved surface, and the bottom of the conical structure is a support disc (11) with a thickness; the delivery component (1) is provided with a through hole (12) extending through the delivery component (1), the through hole (12) is provided from the top of the delivery component (1) to the bottom of the delivery component (1), and the extending direction of the through hole (12) is perpendicular to the support disc (11); an expansion component (2) comprising a connecting long tube (21) and a disc (22), the connecting long tube (21) is inserted through the center of the disc (22); the diameter of the through hole (12) is matched with the diameter of the connecting long tube (21), so that the delivery component (1) is installed on the connecting long tube (21) through the through hole (12), and the support disc (11) abuts against the disc (22); a microneedle patch is installed on the tapered surface of the delivery component (1).

2. The cervical dosing device of claim 1, wherein, The connecting long tube (21) comprises a support tube (211) and a handle (212), the support tube (211) is arranged above the disc (22), the delivery component (1) is sleeved on the support tube (211), and the handle (212) is arranged below the disc (22); wherein the diameter of the handle (212) is greater than the diameter of the support tube (211), the diameter of the support tube (211) is matched with the diameter of the through hole (12), and the length of the support tube (211) is matched with the length of the expansion component (2).

3. The cervical dosing device of claim 2, wherein, The expansion component (2) further comprises a balloon (23) arranged at the end of the support tube (211), the inside of the support tube (211) and the handle (212) is provided with a liquid guide channel in communication, and the balloon (23) is in communication with the liquid guide channel; the bottom of the handle (212) is provided with an injection device (24).

4. The cervical dosing device of claim 3, wherein, The microneedle patch is provided with a mounting hole in the center, the mounting hole passes through the vertex of the delivery component (1), the adhesive surface of the microneedle patch faces inward and is attached to the delivery component (1), and the microneedle surface of the microneedle patch faces outward.

5. The cervical dosing device of claim 4, wherein, The support tube (211), the disc (22) and the handle (212) are integrally formed.

6. The cervical dosing device of claim 5, wherein, The injection device (24) is a press-type inflation switch or a liquid injection hard valve.

7. The cervical dosing device of claim 6, wherein, The delivery component (1) is made of medical rubber, medical metal or polypropylene material.

8. The cervical dosing device of claim 7, wherein, The balloon (23) is made of medical rubber, polyvinyl chloride or polypropylene.

9. The cervical dosing device of claim 8, wherein, The diameter of the support disc (11) is 2.5-3.6 cm, and the thickness of the support disc (11) is 0.5 cm; the height of the delivery component (1) is 3 cm, and the diameter of the top of the delivery component (1) is 0.3 cm.

10. The cervical dosing device of claim 9, wherein, The length of the handle (212) is 10-15 cm.

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