CN219001709U - Quantitative nasal liniment administration device - Google Patents

Abstract

The utility model provides a quantitative nasal liniment administration device, which comprises: a syringe assembly and a liniment head assembly, the liniment head assembly being connected to the syringe assembly; and when the quantitative limiting piece is converted from the first state to the second state, the quantitative limiting piece correspondingly controls the syringe assembly to inject quantitative liniment outwards and outputs the quantitative liniment by the liniment head assembly. The quantitative nasal liniment administration device realizes administration of viscous liquid or gel liquid medicine by combining the injector component and the liniment head component, and simultaneously controls the moving stroke of the injector by matching with the quantitative limiting piece so as to realize quantitative output of the medicament. In addition, the quantitative nasal liniment administration device adopts the luer connector, so that the detachable connection of the liniment head assembly and the injector assembly is realized, the liniment head assembly can be flexibly replaced, and the pollution caused by repeated use is avoided.

Description

Quantitative nasal liniment administration device

Technical Field

The utility model relates to the technical field of nasal cavity administration devices, in particular to a quantitative nasal cavity liniment administration device.

Background

The common nasal cavity administration adopts a spray mode for administration, and if precise administration is needed, a precise quantitative spray pump is adopted, and the spray pump and a container for filling medicine liquid are combined for use. The contents of the common spray pump are mainly aqueous liquid medicine and suspension liquid medicine, so that the atomization administration of the nasal cavity cannot be realized for viscous liquid and gel liquid medicine, the existing nasal spray pump cannot use a liniment effect, and the administration effect cannot be realized for volatile liniment liquid medicine.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides a quantitative nasal liniment administration device, which aims to solve the technical problems that the existing handheld device is easy to fatigue and the measurement efficiency is influenced when being used for a long time.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

embodiments of the present utility model provide a metered dose nasal liniment delivery device comprising: a syringe assembly and a liniment head assembly, the liniment head assembly being connected to the syringe assembly; and when the quantitative limiting piece is converted from the first state to the second state, the quantitative limiting piece correspondingly controls the syringe assembly to inject quantitative liniment outwards and outputs the quantitative liniment by the liniment head assembly.

Wherein the syringe assembly comprises: the body, peg graft in the push rod in the body and connect in the plug of push rod inner, the front end of body still is equipped with and connects female head, the liniment head subassembly detachable connect in connect female head.

Wherein, the rubber plug is also provided with a conical part.

The connecting female head comprises a tubular part and a connecting pipe part, wherein the tubular part extends from the periphery of the end part of the pipe body, the connecting pipe part is connected to the end part of the pipe body, the connecting pipe part is positioned in a pipe cavity of the tubular part, and the connecting pipe part and the tubular part are coaxially arranged.

Wherein the liniment head assembly comprises: the inside is provided with a connecting male head with a through cavity and a sponge head connected with the connecting male head.

Wherein the male connector is a luer connector.

The liniment head assembly further comprises a dust cover, and the dust cover is connected to the connecting male head and covers the outer portion of the sponge head.

Wherein, quantitative limiting part includes: the limiting part comprises a limiting part body and a limiting mechanism connected to the limiting part body, wherein a through hole is formed in the limiting part body, the push rod penetrates through the through hole, and the limiting mechanism abuts against the end portion of the pipe body.

Wherein, stop gear includes: the first limiting part and the second limiting part extend to the limiting part body, and are oppositely arranged to form a limiting bayonet together; when the quantitative limiting part is in a first state, the end parts of the first limiting part and the second limiting part are propped against the end part of the pipe body, the quantitative limiting part is rotated to a set angle, and the end part of the pipe body enters the limiting bayonet to reach a second state.

The depth of the limiting bayonet is the same as the length of the through hole.

The quantitative nasal liniment administration device realizes administration of viscous liquid or gel liquid medicine by combining the injector component and the liniment head component, and simultaneously controls the moving stroke of the injector by matching with the quantitative limiting piece so as to realize quantitative output of the medicament. In addition, the quantitative nasal liniment administration device adopts the luer connector, so that the detachable connection of the liniment head assembly and the injector assembly is realized, the liniment head assembly can be flexibly replaced, and the pollution caused by repeated use is avoided.

The foregoing description is only an overview of the present utility model, and is intended to be more clearly understood as being carried out in accordance with the following description of the preferred embodiments, as well as other objects, features and advantages of the present utility model.

Drawings

Fig. 1 is a schematic overall structure of a quantitative nasal liniment delivery device according to an embodiment of the present utility model.

Fig. 2 is an exploded view of a device for administering a metered dose nasal liniment according to an embodiment of the utility model.

Fig. 3 is another angular exploded view of a metered dose nasal liniment delivery device according to an embodiment of the utility model.

Fig. 4 is a schematic view of a portion of a quantitative limiter of a quantitative nasal liniment delivery device according to an embodiment of the present utility model.

Fig. 5 is a schematic diagram showing the three states of the quantitative nasal liniment administration device according to the embodiment of the present utility model to realize quantitative output.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and the detailed description, in order to make the objects, technical solutions and advantages of the present utility model more apparent.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships as described based on the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be attached, detached, or integrated, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms should not be understood as necessarily being directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, one skilled in the art can combine and combine the different embodiments or examples described in this specification.

Referring to fig. 1-5, the present embodiment provides a metered dose nasal liniment delivery device 100 comprising: a syringe assembly 10 and a liniment head assembly 20, wherein the liniment head assembly 20 is connected with the syringe assembly 10, and the medicament is injected into the liniment head assembly 20 by the syringe assembly 10 and then is output to a user. The injector assembly 10 is further provided with a certain amount of limiting member 30, and when the amount of limiting member 30 is switched from the first state to the second state, the injector assembly 10 is correspondingly controlled to inject a certain amount of medicament outwards, and the medicament is output by the liniment head assembly 20.

Wherein the syringe assembly 10 comprises: the body 11, peg graft in the push rod 12 in the body 11 and connect in the plug 13 of push rod 12 inner, the front end of body 11 still is equipped with connects female head 111, liniment head subassembly 20 detachable connect in connect female head 111.

Further, in this embodiment, the rubber plug 13 is further provided with a tapered portion 14, and the tapered portion 14 is used to press the medicine in the tube 11 toward the outlet end, so that the medicine is completely extruded.

Referring to fig. 3 again, the female connection head 111 includes a tubular portion 113 extending from the periphery of the end of the tube body 11, and a connection tube portion 114 connected to the end of the tube body 11, wherein the connection tube portion 114 is located in the lumen of the tubular portion 113, and the connection tube portion 114 and the tubular portion 113 are coaxially disposed to form an annular connection cavity therebetween. Specifically, the outer wall of the connecting tube portion 113 is further provided with anti-slip patterns for rapidly replacing the liniment head assembly 20, so as to prevent slipping during rotation.

The liniment head assembly 20 includes: a connecting male head 21 with a through cavity is arranged in the connecting male head, and a sponge head 22 connected with the connecting male head 21. In this embodiment, the male connector 21 is a luer connector, the sponge head 22 is connected to the outlet end of the luer connector, and the other end of the luer connector is connected to an annular connecting cavity on the female connector 111.

The liniment head assembly 20 further comprises a dust cover 23, wherein the dust cover 23 is connected to the connecting male head 21 and covers the outside of the sponge head 22. A dust cover 23 is provided to prevent the sponge head 22 from being contaminated.

Referring again to fig. 4, the quantitative limiter 30 includes: the limiting part comprises a limiting part body 31 and a limiting mechanism 33 connected to the limiting part body 31, wherein a through hole 311 is formed in the limiting part body 31, the push rod 12 penetrates through the through hole 311, and the limiting mechanism 33 abuts against the end portion of the pipe body 11.

Specifically, the limiting mechanism 33 includes: the first limiting portion 331 and the second limiting portion 332 extending from the limiting member body 31, where the first limiting portion 331 and the second limiting portion 332 are disposed opposite to each other to form a limiting bayonet 333; when the quantitative limiter 30 is in the first state, the ends of the first and second limiting portions 331 and 332 are abutted against the end 112 of the tube 11, the quantitative limiter 30 is rotated to a set angle, and the end 112 of the tube 11 enters the limiting bayonet 333 to reach the second state. In this embodiment, the end 112 of the tube 11 is in an oval or approximately oval structure, in the first state, one end of the limiting mechanism 33 is limited to the upper end 121 of the push rod 12, the other end abuts against the end 112 of the tube 11, and when the quantitative limiting member 30 rotates 90 degrees, the end 112 of the tube 11 falls into the limiting bayonet 333, and at this time, the push rod 12 is extruded, and the push rod moving stroke is the depth of the limiting bayonet 333.

In this embodiment, the depth of the limiting bayonet 333 is the same as the length of the through hole 311, that is, the same dosage of medicament output is achieved by both limiting.

Referring again to fig. 5, a state diagram of the quantitative administration process of the quantitative nasal liniment administration device according to the embodiment is shown. In fig. 5, two dosing schemes are shown in order from right to left. In the initial state, the lower end of the limiting mechanism 33 of the quantitative limiting part 30 abuts against the upper end 121 of the tube 11, at this time, the push rod 12 cannot move due to the action of the quantitative limiting part 30, and at this time, self-locking of the syringe assembly 10 can be achieved, so that the medicament is prevented from overflowing due to touching in the non-use state.

When dosing for the first time, the dosing limiting piece 30 is rotated first, at this time, the upper end 121 of the tube 11 falls into the limiting bayonet 333 and is reserved for a certain movable stroke of the push rod 12, so that the push rod 12 can be pushed to output a first dose, and the first dose is determined by the movement stroke of the push rod 12.

When the quantitative limiting piece 30 is taken down for the second time for quantitative administration, the quantitative limiting piece body 31 is provided with the handle portion 32, the side wall of the through hole 311 is provided with the longitudinal notch, the handle portion 32 can take down the quantitative limiting piece 30 from the push rod 12 from one side, and at the moment, the push rod 12 is pushed to move to the bottom, so that the second quantitative medicament can be output.

It should be noted that in the present embodiment, the first quantitative medicament and the second quantitative medicament are equal, that is, the length of the through hole 311 is the same as the depth of the limiting bayonet 333, and in other embodiments, different lengths of the through hole 311 and the limiting bayonet 333 may be set according to different doses of two doses.

The quantitative nasal liniment administration device of the embodiment realizes administration of viscous liquid or gel liquid medicine by combining the injector component and the liniment head component, and simultaneously controls the moving stroke of the injector by matching with the quantitative limiting piece so as to realize quantitative output of the medicament. In addition, the quantitative nasal liniment administration device adopts the luer connector, so that the detachable connection of the liniment head assembly and the injector assembly is realized, the liniment head assembly can be flexibly replaced, and the pollution caused by repeated use is avoided.

The foregoing examples are provided to further illustrate the technical contents of the present utility model for the convenience of the reader, but are not intended to limit the embodiments of the present utility model thereto, and any technical extension or re-creation according to the present utility model is protected by the present utility model. The protection scope of the utility model is subject to the claims.

Claims (10)

1. A metered dose nasal liniment delivery device comprising: a syringe assembly and a liniment head assembly, the liniment head assembly being connected to the syringe assembly; and when the quantitative limiting piece is converted from the first state to the second state, the quantitative limiting piece correspondingly controls the syringe assembly to inject quantitative liniment outwards and outputs the quantitative liniment by the liniment head assembly.

2. The metered dose nasal liniment device of claim 1, wherein the syringe assembly comprises: the body, peg graft in the push rod in the body and connect in the plug of push rod inner, the front end of body still is equipped with and connects female head, the liniment head subassembly detachable connect in connect female head.

3. The metered dose nasal liniment device of claim 2, wherein said plunger further comprises a tapered portion.

4. The metered dose nasal liniment device of claim 2, wherein said connector hub includes a tubular portion extending from a peripheral edge of said tubular body end portion, and a connector tube portion connected to said tubular body end portion, said connector tube portion being located in a lumen of said tubular portion and said connector tube portion being coaxially disposed with said tubular portion.

5. The metered dose nasal liniment delivery device of claim 4, wherein the liniment head assembly comprises: the inside is provided with a connecting male head with a through cavity and a sponge head connected with the connecting male head.

6. The metered dose nasal liniment device of claim 5, wherein the connector male is a luer fitting.

7. The metered dose nasal liniment delivery device of claim 6, wherein the liniment head assembly further comprises a dust cap coupled to the connector male and covering the sponge head.

8. The metered dose nasal liniment delivery device of claim 7, wherein the metered dose limiter comprises: the limiting part comprises a limiting part body and a limiting mechanism connected to the limiting part body, wherein a through hole is formed in the limiting part body, the push rod penetrates through the through hole, the top end of the limiting mechanism abuts against the top end of the push rod, and the bottom end of the limiting mechanism abuts against the upper end of the pipe body.

9. The metered dose nasal liniment device of claim 8, wherein the limiting mechanism comprises: the first limiting part and the second limiting part extend to the limiting part body, and are oppositely arranged to form a limiting bayonet together; when the quantitative limiting part is in a first state, the end parts of the first limiting part and the second limiting part are propped against the end part of the pipe body, the quantitative limiting part is rotated to a set angle, and the end part of the pipe body enters the limiting bayonet to reach a second state.

10. The metered dose nasal liniment device of claim 9, wherein the limiting bayonet is the same depth as the length of the through hole.

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