Gel administration applicator

Abstract

The gel administration applicator comprises an outer cylinder, a deformable rubber sleeve is arranged at an opening in the bottom end of the outer cylinder in a communicated mode, a plurality of medicine outlet holes communicated with the outside are annularly and evenly formed in the outer wall of the periphery of the deformable rubber sleeve, and a medicine storage annular pipe is arranged in the inner wall of the upper end of the outer cylinder; the top of the annular medicine storage pipe is open, a plurality of through holes are formed in the surface of the bottom of the annular medicine storage pipe, the annular medicine storage pipe is communicated with one ends of a plurality of medicine supply hoses through the through holes, the other end of each medicine supply hose is arranged in the corresponding medicine outlet hole in a communicated mode, and an adaptive annular piston is arranged in the annular medicine storage pipe. The annular piston is arranged at one end of the annular push rod, a deformable metal supporting wire is arranged at the position, located in the deformable rubber sleeve, below the annular medicine storage pipe, the top end of the deformable metal supporting wire is fixedly connected with one end of the drawing rod, and the size of the deformable rubber sleeve can be adjusted according to the actual situation to be attached to the inner wall of the genital tract of a patient; and the medicine in the medicine storage annular tube is synchronously discharged.

Description

Technical Field

[0001] The utility model relates to the field of medical devices, in particular to a gel medication applicator. Background Art

[0002] Medical devices refer to instruments, equipment, appliances, in vitro diagnostic reagents and calibrators, materials and other similar or related items used directly or indirectly on the human body, including the required computer software. Medical devices include medical equipment and medical consumables.

[0003] The efficacy is mainly achieved through physical means, not through pharmacological, immunological or metabolic means, or although these means are involved, they only play an auxiliary role.

[0004] The purpose is to diagnose, prevent, monitor, treat or alleviate disease; diagnose, monitor, treat, alleviate or compensate for injury; inspect, replace, regulate or support physiological structure or physiological process; support or maintain life; control pregnancy; provide information for medical or diagnostic purposes by examining samples from the human body.

[0005] Gynecological external reproductive system inflammation is often treated with liquid medicine or gel. During treatment, a drug delivery device is needed to push the liquid medicine or gel into the vagina. Continuous drug delivery promotes recovery from gynecological diseases.

[0006] Existing gel drug delivery devices usually use a piston to discharge the drug from the front end, or apply the gel to the affected area by opening a hole in the side wall of the drug delivery tube. The above drug delivery devices have the following disadvantages:

[0007] 1. Uneven application of gel leads to reduced efficacy: gel squeezed out from the front opening or the side opening is mostly attached to the inner wall of the vagina in the form of clumps. Since it cannot be applied evenly, some parts have high drug concentration, some parts have low drug concentration, and some parts even have no drug, which eventually leads to uneven drug efficacy and prolongs gynecological inflammation;

[0008] 2. The existing drug delivery devices ignore the physiological characteristics of the female genitals, which leads to reduced drug efficacy: Since the female vagina has many folds, the existing drug delivery devices mostly spray gel directly, which cannot open the folds, and cannot deliver drugs to the parts covered by the folds;

[0009] 3. Due to the above reasons, the existing drug delivery device is cumbersome to operate and needs to be applied repeatedly to achieve the maximum possible coverage of the affected area, which wastes medicine and physical strength, and has poor effect.

[0010] For this purpose, the application number: CN202020046550.8 discloses a gynecological medication device, which relates to the field of medical device technology, including an identification part, a guide block, a gripping part, and a working part that are fixedly connected from right to left in sequence, a smear roller and a medicine storage bin are provided on the working part, a scale and a sliding cavity are provided on the identification part, and a marking rod and a piston B for marking the amount of gel in the medicine storage bin are provided in the sliding cavity. This new device is designed in accordance with the female physiological structure, can effectively open the folds of the medication application part, and administer medication to the blocked part. During the medication process, even smearing can be achieved by gently rotating it, and a marking part is provided to observe the amount of gel in the medicine storage bin, which is convenient for patients to use.

[0011] However, the above scheme still has certain defects. The inventors have found through research that the distance between the application rollers in the above scheme cannot be adjusted. In actual users, the inner diameter of the reproductive tract of each patient is different. When administering medicine to some patients with larger inner diameters of reproductive tracts, the application rollers cannot fit the inner wall of the patient's reproductive tract at the same time, which will still lead to uneven application and reduce the effect of drug treatment.

[0012] How to invent a gel drug delivery applicator to improve these problems has become an urgent problem to be solved by those skilled in the art. Utility Model Content

[0013] In order to make up for the above shortcomings, the utility model provides a gel drug delivery applicator, which aims to improve the problem that the distance between the application rollers cannot be adjusted. In actual users, the inner diameter of the reproductive tract of each patient is different. When administering medicine to some patients with larger inner diameters of the reproductive tract, the application roller cannot fit the inner wall of the patient's reproductive tract at the same time, which will still lead to uneven application and reduce the effect of drug treatment.

[0014] The utility model is implemented as follows: a gel drug delivery applicator comprises an outer cylinder, a deformable rubber sleeve is connected to the opening at the bottom end of the outer cylinder, a plurality of medicine outlet holes connected to the outside are evenly opened on the outer wall of the deformable rubber sleeve in an annular shape, a medicine storage annular tube is arranged in the inner wall of the upper end of the outer cylinder, the top of the medicine storage annular tube is opened, a plurality of through holes corresponding to the medicine outlet holes are opened on the bottom surface of the medicine storage annular tube, and one end of a plurality of medicine supply hoses are connected through the through holes, the other end of each of the medicine supply hoses is connected and arranged in the corresponding medicine outlet hole, an adaptive annular piston is arranged in the medicine storage annular tube, the annular piston is arranged at one end of the annular push rod, a deformable metal support wire is arranged inside the deformable rubber sleeve below the medicine storage annular tube, the top of the deformable metal support wire is fixedly connected to one end of a pull rod, the pull rod is located in the hollow part in the middle of the medicine storage annular tube, and extends upward to the outside of the outer cylinder.

[0015] In a preferred technical solution of the utility model, the deformable rubber sleeve is in the shape of a sleeve that gradually widens from top to bottom, and is made of a thicker rubber material with strong ductility and deformation ability. The top opening of the deformable rubber sleeve is fixedly connected to the bottom opening of the outer tube.

[0016] In a preferred technical solution of the present invention, the deformable metal support wire is made of a plurality of metal wires with high toughness and strong deformation ability. The plurality of metal wires are evenly distributed in a ring shape to form a cage shape and one end is connected to the inside of the outer tube. The other ends of the plurality of metal wires are fixedly connected to the bottom surface of the pull rod.

[0017] In a preferred technical solution of the present utility model, the number of the metal wires is at least six.

[0018] In a preferred technical solution of the utility model, the length of the medicine supply hose is such that the deformable rubber sleeve can be deformed to a maximum extent.

[0019] In a preferred technical solution of the utility model, the medicine supply hose is made of medical PVC material.

[0020] In a preferred technical solution of the utility model, the diameter of the outer wall of the pull-out rod is consistent with the inner wall of the hollow portion in the middle of the medicine storage annular tube.

[0021] In a preferred technical solution of the utility model, the outer cylinder and the annular medicine storage tube are made of transparent medical polypropylene material, and the outer wall of the outer cylinder is provided with scale markings.

[0022] The beneficial effects of the utility model are as follows: the utility model obtains a gel drug delivery applicator through the above design. When in use, the deformable metal support wire can be driven to expand and contract in the outer tube by pushing and pulling the rod, so as to control the size of the bulge of the deformable metal support wire, and also can adjust the size of the deformable rubber sleeve being supported. During use, the size of the deformable rubber sleeve can be adjusted according to the actual situation of the patient, so that each drug outlet hole can fit the inner wall of the patient's reproductive tract, and the drug in the drug storage annular tube can be synchronously discharged from the corresponding drug outlet hole through the drug supply hose by pushing the annular piston, and then smeared on the inner wall of the reproductive tract. At the same time, the whole applicator has a simple structure, low manufacturing cost, and is made of relatively environmentally friendly materials, and has a high promotion value. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 It is a schematic three-dimensional diagram of the overall structure provided by the embodiment of the utility model;

[0025] Figure 2 A schematic three-dimensional diagram of the overall cross-sectional structure provided for an embodiment of the utility model;

[0026] Figure 3 A schematic three-dimensional diagram of the overall cross-sectional separation structure provided by an embodiment of the utility model;

[0027] Figure 4 A schematic three-dimensional diagram of the overall cross-sectional structure of the annular push rod provided in an embodiment of the utility model;

[0028] Figure 5 This is a schematic three-dimensional diagram of the connection structure between the medicine storage annular tube and the medicine supply hose provided in an embodiment of the utility model.

[0029] In the figure: 1-outer cylinder; 2-deformable rubber sleeve; 3-medicine outlet hole; 4-medicine storage annular tube; 5-medicine supply hose; 6-annular piston; 7-annular push rod; 8-deformable metal support wire; 9-pull rod. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] See also Figures 1 to 5 The utility model provides a technical solution: a gel drug delivery applicator, comprising an outer tube 1, a deformable rubber sleeve 2 is connected at the opening of the bottom end of the outer tube 1, and the outer wall of the deformable rubber sleeve 2 is evenly provided with a plurality of medicine outlet holes 3 connected to the outside. A medicine storage annular tube 4 is arranged in the inner wall of the upper end of the outer tube 1, and the top of the medicine storage annular tube 4 is an opening. A plurality of through holes corresponding to the medicine outlet holes 3 are opened on the bottom surface of the medicine storage annular tube 4, and one end of a plurality of medicine supply hoses 5 are connected through the through holes. The other end of each medicine supply hose 5 is connected and arranged in the corresponding medicine outlet hole 3, and an adaptive annular piston 6 is arranged in the medicine storage annular tube 4, and the annular piston 6 is arranged at one end of an annular push rod 7. A deformable metal support wire 8 is arranged inside the deformable rubber sleeve 2 below the medicine storage annular tube 4, and the top of the deformable metal support wire 8 is fixedly connected to one end of a pull rod 9. The pull rod 9 is located in the hollow part in the middle of the medicine storage annular tube 4 and extends upward to the outside of the outer tube 1.

[0032] Furthermore, the deformable rubber sleeve 2 is in the shape of a sleeve that gradually widens from top to bottom. It is made of a thicker rubber material with strong ductility and deformation ability. The top opening of the deformable rubber sleeve 2 is fixedly connected to the bottom opening of the outer tube 1. When the deformable metal support wire 8 gradually loses the restriction of the outer tube 1, its end portion props up the deformable rubber sleeve 2 inside the deformable rubber sleeve 2, thereby changing the diameter of the end portion of the deformable rubber sleeve 2, so that the outer wall of the deformable rubber sleeve 2 can fit the inner wall of the patient's reproductive tract, thereby achieving the ability to adjust the size of the deformable rubber sleeve 2 according to the actual situation of the patient, thereby improving the practicality of the device.

[0033] Furthermore, the deformable metal support wire 8 is made of a plurality of metal wires with high toughness and strong deformation ability. The plurality of metal wires are evenly distributed in a ring shape to form a cage shape and one end is connected to the inside of the outer tube 1. The other ends of the plurality of metal wires are fixedly connected to the bottom surface of the pulling rod 9. The deformable metal support wire 8 is cage-shaped in an unrestricted state. When the deformable metal support wire 8 is pulled into the inside of the outer tube 1, it will gradually shrink due to the restriction of the outer tube 1. The deformable rubber sleeve 2 will always be wrapped around the deformable metal support wire 8 due to its own ductility and contraction. When the deformable metal support wire 8 is pushed out of the outer tube 1 by the pulling rod 9, it will be restored again due to its own toughness, thereby gradually propping up the deformable rubber sleeve 2 again. It is also possible to control the size of the deformable rubber sleeve 2 supported by the deformable metal support wire 8 by controlling the part of the deformable metal support wire 8 exposed from the outer tube 1, and can be flexibly adjusted according to the inner diameter of the patient's reproductive tract to prevent the medicine outlet hole 3 from being unable to contact the inner wall of the reproductive tract, thereby reducing the treatment effect.

[0034] Furthermore, the number of metal wires is at least six, so that the deformable rubber sleeve 2 can be propped up synchronously in the circumferential direction, so that the deformable rubber sleeve 2 always presents a circular shape, and can also fit the inner wall of the patient's reproductive tract.

[0035] Furthermore, the length of the medicine supply hose 5 is sufficient to allow the deformable rubber sleeve 2 to deform to the maximum extent. One end of the medicine supply hose 5 is connected to the interior of the medicine storage annular tube 4 and is fixedly connected to the medicine storage annular tube 4, and the other end is fixedly connected to the corresponding medicine outlet hole 3. When the annular piston 6 is pressed downward toward the lower end of the medicine storage annular tube 4 by pushing the annular push rod 7, the gel inside the medicine storage annular tube 4 enters one end of the medicine supply hose 5 under the action of pressure, and is simultaneously discharged from the corresponding medicine outlet hole 3 to the outside of the deformable rubber sleeve 2 through the medicine supply hose 5, and is applied to the inner wall of the patient's reproductive tract.

[0036] Furthermore, the medicine supply hose 5 is made of medical PVC material, which is resistant to chemical corrosion, has strong resistance to oxidants, reducing agents and strong acids, is wear-resistant, easy to produce, safe to use and low in cost, thereby ensuring stability in use and reducing manufacturing costs.

[0037] Furthermore, the outer wall diameter of the pulling rod 9 is consistent with the inner wall of the hollow part in the middle of the medicine storage annular tube 4. The pulling rod 9 is restricted by the hollow part in the middle of the medicine storage annular tube 4 and can only move straight up and down without deviation, thereby ensuring that all the metal wires of the deformable metal support wire 8 are gradually released or gradually retracted from the outer tube 1 at the same time, ensuring the uniformity of the expansion of the deformable rubber sleeve 2.

[0038] Furthermore, the outer tube 1 and the drug storage annular tube 4 are made of transparent medical polypropylene material. The outer wall of the outer tube 1 is provided with scale markings. The medical polypropylene material can withstand high-pressure steam sterilization, has good mechanical properties, chemical stability and physiological degradability, and is relatively more environmentally friendly. By observing the scale markings, the amount of medicine injected can also be more accurately controlled.

[0039] Working principle: fill the gel into the medicine storage annular tube 4 through the upper end opening of the medicine storage annular tube 4, then insert the annular piston 6 into the medicine storage annular tube 4, pull the pull rod 9 toward the end away from the deformable rubber sleeve 2, so that the deformable rubber sleeve 2 can smoothly enter the patient's reproductive tract. After reaching the medication depth, gradually push the pull rod 9 toward one end of the deformable rubber sleeve 2, so that the pull rod 9 drives the deformable metal support wire 8 to gradually expose the outer tube 1, and lose the restriction of the outer tube 1. The deformable metal support wire 8 will gradually bulge inside the deformable rubber sleeve 2 to open the deformable rubber sleeve 2 until the outer wall of the deformable rubber sleeve 2 fits the inner wall of the patient's reproductive tract. At this time, the annular piston 6 is driven by the annular push rod 7 to expand in the medicine storage annular tube. 4 is pressed down, and the pressure pushes the gel in the medicine storage annular tube 4 to each medicine supply hose 5, and is discharged synchronously from the corresponding medicine outlet 3 through the medicine supply hose 5. While pushing the annular piston 6, the outer tube 1 is slowly drawn out to the reproductive tract opening, so that the gel will be evenly applied on the inner wall of the patient's reproductive tract to perform drug treatment on the affected area. The design of the deformable rubber sleeve 2 and the deformable metal support wire 8 can achieve flexible adjustment according to the inner diameter of the reproductive tract of different patients, avoiding the situation that the medicine outlet end cannot fit the inner wall of the reproductive tract, resulting in uneven medication and affecting treatment. At the same time, the entire applicator has a simple structure, low manufacturing cost, and is made of relatively environmentally friendly materials, and has a high promotion value.

[0040] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A gel drug delivery applicator, characterized in that: The outer tube comprises an outer tube, wherein a deformable rubber sleeve is connected to the opening at the bottom end of the outer tube, and a plurality of medicine outlet holes connected to the outside are evenly and evenly provided on the outer wall of the deformable rubber sleeve in an annular shape; a medicine storage annular tube is provided in the inner wall of the upper end of the outer tube, and the top of the medicine storage annular tube is open; a plurality of through holes corresponding to the medicine outlet holes are provided on the bottom surface of the medicine storage annular tube, and one end of a plurality of medicine supply hoses are connected through the through holes; the other end of each of the medicine supply hoses is connected to the corresponding medicine outlet hole; an adaptive annular piston is provided in the medicine storage annular tube, and the annular piston is provided at one end of an annular push rod; a deformable metal support wire is provided inside the deformable rubber sleeve below the medicine storage annular tube, and the top end of the deformable metal support wire is fixedly connected to one end of a pull rod; the pull rod is located in the hollow part in the middle of the medicine storage annular tube, and extends upward to the outside of the outer tube.

2. The gel administration applicator according to claim 1, characterized in that: The deformable rubber sleeve is in the shape of a sleeve that gradually widens from top to bottom. It is made of a thicker rubber material with strong ductility and deformation ability. The top opening of the deformable rubber sleeve is fixedly connected to the bottom opening of the outer tube.

3. The gel administration applicator according to claim 1, characterized in that: The deformable metal support wires are made of several metal wires with high toughness and strong deformation ability. Several of the metal wires are evenly distributed in a ring shape to form a cage shape and one end is connected to the inside of the outer cylinder. The other ends of the several metal wires are fixedly connected to the bottom surface of the pull rod.

4. The gel administration applicator according to claim 3, characterized in that: The number of the metal wires is at least six.

5. The gel administration applicator according to claim 1, characterized in that: The length of the medicine supply hose is such that the deformable rubber sleeve can be deformed to the maximum extent.

6. The gel administration applicator according to claim 1, characterized in that: The medicine supply hose is made of medical PVC material.

7. The gel administration applicator according to claim 1, characterized in that: The outer wall diameter of the pulling rod is consistent with the inner wall of the hollow part in the middle of the medicine storage annular tube.

8. The gel administration applicator according to claim 1, characterized in that: The outer cylinder and the medicine storage annular tube are made of transparent medical polypropylene material, and the outer wall of the outer cylinder is provided with scale marks.

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