Gynecological dosing device
By designing a combination of a petal-shaped annularly distributed S-shaped curved surface extension and a piston push rod, the problem of uneven drug coating is solved, and uniform application of the drug solution on the inner wall of the vagina and efficient treatment are achieved.
Patent Information
- Application Number
- CN202422292293.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-19
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-09-19
AI Technical Summary
The existing gynecological applicator barrel is cylindrical, which results in uneven drug coating, drug waste and delayed treatment, and cannot effectively adhere to the inner wall of the vagina.
A gynecological drug delivery device is designed, comprising a main cylinder and an insertion portion hinged at its end. The insertion portion is arranged in a petal-like ring shape and is driven to open and close synchronously by a connecting rod. The outer wall is an S-shaped curved surface, and the drug outlet holes are equidistantly distributed along the S-shaped curved surface. Combined with a piston push rod, the drug liquid is evenly applied.
The drug solution can be evenly applied to the inner wall of the vagina, reducing drug waste, improving treatment efficiency, and reducing patient discomfort.
Smart Images

Figure CN223439012U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical equipment technical field, especially a gynecological dosing device. BACKGROUND
[0002] In gynecological clinic, vaginal medication is the most common and effective means for treating vaginitis, which is to send the external medicine directly into the lesion site by the dosing device to achieve the purpose of treatment. At present, the dosing device suitable for liquid medicine, gel and paste type gynecological external medicine is generally composed of a barrel, a piston and a push rod. This structure of the dosing device has a problem in clinical use, that is, the barrel is cylindrical, while the inner wall of the vagina has a concave fold and a certain overall curve shape. The outer wall of the barrel and the inner wall of the vagina are in poor contact, which makes the drug film uneven, resulting in waste of medicine and delay of treatment. SUMMARY
[0003] The utility model aims at solving the technical deficiency of the above-mentioned and designs a gynecological dosing device.
[0004] The gynecological dosing device designed by the utility model comprises a main barrel, at least two extension parts are arranged at one end of the main barrel, each extension part is hinged to the main barrel, the extension parts are distributed in a petal-shaped ring at the end of the main barrel, an axial screw rod is arranged in the main barrel, a sliding nut is slidably connected to the top of the screw rod, a connecting rod is arranged between the sliding nut and each extension part, one end of the connecting rod is hinged to the sliding nut, the other end of the connecting rod is hinged to the extension part, the bottom of the screw rod serves as a handle part, the sliding nut moves up and down along the screw rod through the forward and reverse rotation of the screw rod, each extension part is driven by the connecting rod to make synchronous opening and folding movements along the main barrel, the outer wall of each extension part is a smooth S-shaped curved surface along the axial direction, when all the extension parts are folded, the top of each extension part is connected to form a spherical or rocket-shaped extension end, the top outer wall of each extension part is provided with a medicine outlet hole, an inner cavity for temporarily storing medicine is arranged in the main barrel, the medicine outlet hole is communicated with the inner cavity through a hose, and a piston push rod for pushing the medicine in the inner cavity into the hose is arranged in the inner cavity.
[0005] Preferably, the medicine outlet hole is arranged on the S-shaped curved surface of each extension part.
[0006] Further optimization is that the number of the medicine outlet holes is multiple, and the medicine outlet holes are equidistantly distributed along the outer periphery of the S-shaped curved surface.
[0007] Preferably, the handle part is fixedly connected with the screw rod, a through hole is formed in the center of the handle part for the bottom end of the piston push rod to pass through, a button is arranged at the bottom end of the piston push rod, and a spring is arranged between the button and the bottom end of the piston push rod.
[0008] As preferred, the top end of the extension part is the extension end, and the bottom end is provided with a buffer end, the extension end and the buffer end are connected through a transition section, the extension end and the transition section jointly form an S-shaped curved surface, and the outer peripheral wall of the buffer end is flush with the main cylinder.
[0009] As preferred, the connecting rod comprises a movable rod and a support rod, the support rod is in V shape, two top ends of the support rod are fixedly connected to the inner wall of the extension part, the bottom end of the support rod is hingedly connected to one end of the movable rod, the other end of the movable rod is hingedly connected to the sliding nut, and the hose extends along the length direction of the extension part after passing through the limiting frame formed between the support rod and the inner wall of the extension part.
[0010] Further optimization, the extension end of the extension part is internally provided with a connecting port, one end of the medicine outlet hole on the same extension part is integrated and communicated with the connecting port, and one end of the hose is inserted into the connecting port, so that the hose is communicated with the medicine outlet hole.
[0011] As preferred, when all the extension parts are synchronously folded, the inner walls of all the extension parts surround to form a containing cavity, and the hose, the connecting rod, the sliding nut and the top of the screw rod are all located in the containing cavity.
[0012] The utility model discloses a technical effect that the utility model discloses a main cylinder and the extension part at one end of main cylinder, the extension part is used to extend into the vagina, the extension part is at least two, along the end of main cylinder annular array distribution, form similar petal formula distribution, the extension part is hinged to main cylinder, make the extension part open and fold relative to main cylinder, when the extension part is the folding state, the extension part forms the end of globosity or similar globosity, be convenient for extending into the vagina inside, the minimum degree reduces the discomfort of patient, the piston push rod is equipped in main cylinder, the outer wall of extension part is equipped with the medicine outlet hole, and the medicine outlet hole is connected through the hose between main cylinder, and the piston push rod pushes the liquid medicine in main cylinder and enters the hose, and the liquid medicine is arranged in the vagina in proper order through the hose and the medicine outlet hole, when the extension part is the open state, the S-shaped curved surface outer peripheral wall of extension part can form the accommodation with the vagina inner wall, that is, forms the close adhesion with the vagina inner wall, and the liquid medicine that the medicine outlet hole arranges out makes the liquid medicine can be daubed to the vagina inner wall along the outer peripheral wall of extension part with the manual rotation of extension part, when the manual drive extension part moves forward or retreats, makes the outer wall of extension part can be adapted with the vagina inner wall, thereby evenly daubing the liquid medicine on the vagina inner wall, the utility model discloses especially be applicable to gel or paste liquid medicine, after coming out from the medicine outlet hole, with the rotation or forward and backward movement of extension part, thereby evenly daubing the liquid medicine on the vagina inner wall, through the rotation screw rod, make the sliding nut move up and down along the screw rod, thereby drive the synchronous open or fold of extension part, and the open degree of extension part can be accurately controlled. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is the structure diagram when the utility model is in the folding state.
[0014] Figure 2 is the structure explosion map of the utility model in the open state;
[0015] Figure 3 is the structure section view of the main cylinder in the utility model;
[0016] Figure 4 is the transverse section view of the utility model in the extension end.
[0017] In the figure: 1, main cylinder;11, inner cavity;12, piston push rod;2, extension part;21, extension end;22, buffer end;23, transition section;24, connecting port;25, medicine outlet hole;26, axial through hole;3, screw;4, sliding nut;5, connecting rod;51, movable rod;52, support rod;53, limiting frame;6, handle part;61, through hole;62, button;63, spring;7, hose;8, accommodating cavity. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art belong to the protection scope of the utility model.
[0019] The utility model discloses a main cylinder 1, the one end of main cylinder 1 is equipped with at least two extension parts 2, and the extension part 2 is in petal type annular distribution in the end of main cylinder 1, and each extension part 2 is hinged to main cylinder 1, so that each extension part 2 can simultaneously open or contract around the one end of main cylinder 1 like petal, in the embodiment, the outer wall of the bottom of extension part 2 is provided with a convex, and the outer wall of the top of main cylinder 1 is provided with another convex, and the two convexes are connected by a pin shaft to realize the hinge connection between extension part 2 and main cylinder 1.
[0020] The inner cavity 11 of the main cylinder 1 is provided with a piston push rod 12, the piston push rod 12 moves up and down reciprocatingly, the top outer wall of each of the extending-in portions 2 is provided with a medicine outlet hole 25, the medicine outlet hole 25 is communicated with the inner cavity 11 through a hose 7, and the piston push rod 12 in the inner cavity 11 pushes the medicine in the inner cavity 11 into the hose 7 and discharges from the medicine outlet hole 25.
[0021] The inner cavity 11 of the main cylinder 1 is provided with a piston push rod 12, the piston push rod 12 moves up and down reciprocatingly, the top outer wall of each of the extending-in portions 2 is provided with a medicine outlet hole 25, the medicine outlet hole 25 is communicated with the inner cavity 11 through a hose 7, and the piston push rod 12 in the inner cavity 11 pushes the medicine in the inner cavity 11 into the hose 7 and discharges from the medicine outlet hole 25.
[0022] It should be noted that the piston push rod 12 is located in the interior of the screw rod 3, the piston push rod 12 is coaxially arranged with the screw rod 3, the bottom of the piston push rod 12 is pushed, so that the piston push rod 12 can move up and down along the screw rod 3, the top end of the piston push rod 12 has a piston head, the piston head is movably sleeved outside the screw rod 3, so that the movement of the piston push rod 12 and the screw rod 3 does not interfere with each other, of course, the sealing rings are arranged at the movable positions associated with the inner cavity 11 to prevent the medicine from leaking from the inner cavity 11.
[0023] Each of the extending-in portions 2 includes an extending-in end 21, a buffer end 22 and a transition section 23, the top of the extending-in portion 2 is the extending-in end 21 for extending into the vagina, the bottom of the extending-in portion 2 is the buffer end 22, the buffer end 22 is hingedly connected with the end of the main cylinder 1 as a base, the transition section 23 is between the buffer end 22 and the extending-in end 21, the outer wall of the transition section 23 is an S-shaped curved surface, that is, the outer wall of the transition section 23 is an S-shaped curved surface along the axial direction, the extending-in end 21, the transition section 23 and the buffer end 22 are smoothly and transitionally connected to form a smooth extending-in portion 2, it should be noted that when all the extending-in portions 2 are folded, the top of the extending-in portions 2 is spliced to form a spherical or rocket head shape, that is, the entire extending-in end 21 is folded to be spherical or rocket head shaped, that is, the extending-in end 21 is a spherical or nearly spherical smooth body, so that the extending-in end 21 can be easily extended into the vagina and does not cause discomfort to the patient.
[0024] Further, each of the insertion parts 2 is provided with a medicine outlet hole 25 at the S-shaped curved protruding part, that is, the spherical insertion end 21 is provided with the medicine outlet hole 25 at the position of the maximum outer diameter, when the insertion part 2 is inserted into the vagina, the maximum outer diameter of the insertion end 21 of the insertion part 2 is always in close contact with the inner wall of the vagina, and the medicine outlet hole 25 is located at this position, the medicine liquid outlet from the medicine outlet hole 25 can directly contact and spread on the inner wall of the vagina, avoiding the waste of the medicine liquid, and the spreading efficiency is high, the insertion cylinder of the medicine applicator on the market is cylindrical, but when the inner wall of the vagina has wrinkles or pits, the cylindrical cylinder will have the problem of uneven spreading, and the S-shaped curved surface of the utility model can be as close as possible to the vagina and adapt to the vagina, and by moving up and down, the insertion part 2 can contact different parts of the inner wall of the vagina, thereby improving the spreading efficiency of the medicine liquid.
[0025] Further, the number of medicine outlet holes 25 is multiple, and the medicine outlet holes 25 are equidistantly distributed along the outer periphery of the S-shaped curved protruding part, so that the spreading range is wider and more uniform.
[0026] It should be noted that the handle part 6 is fixedly connected with the screw rod 3, the handle part 6 is provided with a through hole 61 in the center for the piston bottom end to pass through, the bottom end of the piston is provided with a button 62, and the button 62 is provided between the bottom end of the piston and the bottom end of the piston. The spring 63, when the button 62 is manually pressed, the piston push rod 12 is pushed forward, and the spring 63 is compressed during the pushing process, and the spring 63 plays a buffering role. After the piston push rod 12 is pushed to the top limit position, it moves downward under the joint driving of the spring 63 and the external force pulling the handle part 6, and thus reciprocates, realizing the up-down reciprocating movement of the piston push rod 12.
[0027] Further, the outer peripheral wall of the buffer end 22 is flush with the main cylinder 1, so that the insertion part 2 can be smoothly opened or closed, and the flatness between the buffer end 22 and the main cylinder 1 is formed, so that the entire medicine applicator after closing forms an integrated overall appearance.
[0028] Further, the connecting rod 5 includes a movable rod 51 and a supporting rod 52, the supporting rod 52 is in the shape of V, the two top ends of the supporting rod 52 are fixedly connected to the inner wall of the insertion part 2, the supporting rod 52 and the inner wall of the insertion part 2 form a limiting frame 53, the bottom end of the supporting rod 52 is hingedly connected to one end of the movable rod 51, and the other end of the movable rod 51 is hingedly connected to the sliding nut 4. The hose 7 extends along the length direction of the insertion part 2 after passing through the limiting frame 53, so as to limit the hose 7, avoid the hose 7 being bent and being clamped by the adjacent two insertion parts 2 during the opening or closing action of the insertion part 2, and affect the action of the insertion part 2.
[0029] Further, the inside of the insertion end 21 of the insertion part 2 is provided with a connecting port 24, one end of a medicine outlet hole 25 on the same insertion part 2 is integrated and communicated with the connecting port 24, that is, the connecting port 24 is connected with the medicine outlet hole 25 at one end, and the other end is used for inserting the hose 7, the end of the hose 7 is tightly matched with the connecting port 24, and a sealing ring or a sealing ring is additionally arranged between the two, so that the hose 7 is communicated with the medicine outlet hole 25, and finally the liquid medicine enters the medicine outlet hole 25 along the hose 7.
[0030] Further, the transition section 23 and the buffer end 22 of the insertion part 2 are both thin-walled structures, when all the insertion parts 2 are synchronously folded, the inner walls of all the insertion parts 2 surround to form a containing cavity 8, and the hose 7, the connecting rod 5, the sliding nut 4 and the top of the screw rod 3 are all received in the containing cavity 8.
[0031] Further, an axial through hole 26 is arranged at the center of the insertion part 2 in the folded state, the axial through hole 26 penetrates the insertion part 2 and is communicated with the containing cavity 8, that is, the inner wall of each insertion end 21 is provided with an axial groove, when all the insertion ends 21 are folded, the axial grooves surround to form the axial through hole 26, the purpose of designing the axial through hole 26 is that, when the insertion end 21 is inserted into the vagina, because the peripheral wall of the insertion end 21 is tightly attached to the inner wall of the vagina, the insertion end 21 is similar to a piston, if the insertion end 21 has no axial through hole 26, the air compressed by the insertion end 21 spreads to the surrounding, the air will push the liquid medicine to flow from the top to the bottom along the insertion end 21, which is not conducive to the uniform coating of the liquid medicine, and the axial through hole 26 can avoid this situation, the air compressed by the insertion end 21 is discharged into the containing cavity 8 through the axial through hole 26.
[0032] It should be noted that when the liquid medicine is filled in the main cylinder 1, only the end cover at the bottom end of the main cylinder 1 needs to be opened, or the utility model is a disposable consumable, and the liquid medicine can be injected into the inner cavity 11 and sealed during production.
[0033] The utility model is not limited to the above-mentioned best embodiment, anyone can derive other various forms of products under the inspiration of the utility model, but no matter any change in shape or structure, as long as the same or similar technical scheme is obtained, it falls within the protection scope of the utility model.
Claims
1. A gynecological medication dispenser, characterized in that: The invention comprises a main cylinder (1), wherein one end of the main cylinder (1) is provided with at least two insertion parts (2), each insertion part (2) is hinged to the main cylinder (1), and the insertion parts (2) are distributed in a petal-shaped ring at the end of the main cylinder (1). An axially penetrating screw rod (3) is provided in the main cylinder (1), and a sliding nut (4) is slidably fitted on the top of the screw rod (3). A connecting rod (5) is provided between the sliding nut (4) and each insertion part (2), one end of the connecting rod (5) is hinged to the sliding nut (4), and the other end of the connecting rod (5) is hinged to the insertion part (2), the bottom of the screw rod (3) serves as a handle part (6), and the sliding nut (4) is rotated by the forward and reverse rotation of the screw rod (3). The screw (3) moves up and down along the axis, and each insertion part (2) is driven by the connecting rod (5) to perform synchronous opening and closing along the main cylinder (1). The outer wall of each insertion part (2) is a smooth S-shaped curved surface along the axis. When all the insertion parts (2) are closed, their tops are spliced to form a spherical or rocket-shaped insertion end (21). The top outer wall of each insertion part (2) is provided with a medicine outlet (25). The main cylinder (1) is provided with an inner cavity (11) for temporarily storing medicine. The medicine outlet (25) is connected to the inner cavity (11) through a hose (7). The inner cavity (11) is provided with a piston push rod (12) for pushing the medicine in the inner cavity (11) into the hose (7).
2. The gynecological applicator according to claim 1, characterized in that: The medicine outlet hole (25) is provided at each insertion portion (2) at the protruding portion of the S-shaped curved surface.
3. The gynecological applicator according to claim 2, characterized in that: There are a plurality of medicine outlet holes (25), which are evenly distributed along the periphery of the protruding portion of the S-shaped curved surface.
4. The gynecological applicator according to claim 1, characterized in that: The handle portion (6) is fixedly connected to the screw rod (3), and a through hole (61) is provided in the center of the handle portion (6) for the bottom end of the piston push rod (12) to pass through. A button (62) is provided at the bottom end of the piston push rod (12), and a spring (63) is provided between the button (62) and the bottom end of the piston push rod (12).
5. The gynecological medication applicator according to claim 1, characterized in that: The top end of the insertion portion (2) serves as an insertion end (21), and the bottom end is provided with a buffer end (22). The insertion end (21) and the buffer end (22) are connected via a transition section (23). The insertion end (21) and the transition section (23) together form an S-shaped curved surface, and the outer peripheral wall of the buffer end (22) is flush with the main cylinder (1).
6. The gynecological applicator according to claim 1, characterized in that: The connecting rod (5) comprises a movable rod (51) and a support rod (52), wherein the support rod (52) is V-shaped, and the two top ends of the support rod (52) are fixedly connected to the inner wall of the insertion portion (2), the bottom end of the support rod (52) is hinged to one end of the movable rod (51), and the other end of the movable rod (51) is hinged to the sliding nut (4), and the hose (7) passes through a limit frame (53) formed between the support rod (52) and the inner wall of the insertion portion (2) and then extends along the length direction of the insertion portion (2).
7. The gynecological applicator according to claim 5, characterized in that: A connecting port (24) is provided inside the insertion end (21) of the insertion portion (2), one end of the medicine outlet hole (25) on the same insertion portion (2) is integrated and connected to the connecting port (24), and one end of the hose (7) is inserted into the connecting port (24), so that the hose (7) is connected to the medicine outlet hole (25).
8. The gynecological medication applicator according to claim 1, characterized in that: When all the insertion parts (2) are synchronously retracted, the inner walls of all the insertion parts (2) enclose to form a receiving chamber (8), and the hose (7), connecting rod (5), sliding nut (4), and the top of the screw (3) are all located in the receiving chamber (8).