CN219815007U - Prefilled and sealed drug feeder - Google Patents

Abstract

The utility model discloses a pre-filling and sealing drug feeder, which comprises a drug feeding pipe, a push rod and a rubber plug, wherein the rubber plug is arranged at the end part of the push rod, the push rod and the rubber plug are arranged in the drug feeding pipe, the top end of the drug feeding pipe is provided with a neck with gradually smaller size, the middle part of the top end of the neck is provided with a drug feeding port, the drug feeding port is provided with a plug for plugging the drug feeding port, the top end of the plug extends out of the drug feeding port for a certain distance, the bottom end of the plug is integrally connected with the neck at the bottom of a port of the drug feeding port through a sheet-shaped easy-to-break ring, and a closed cavity for filling a drug is formed among the plug, the rubber plug, the drug feeding pipe and the neck. According to the utility model, the effective blocking of the drug delivery port is realized through the integrally connected plug at the drug delivery port, the connection between the plug and the pipe neck is further realized through the ring which is easy to break, the sealing is stable, the removal is convenient, the direct contact between an operator and the drug delivery port is avoided, the accidental pollution to the drug is avoided, and the sterile state of the drug in the whole process is ensured.

Description

Prefilled and sealed drug feeder

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a prefilled medicine feeder.

Background

Gel refers to a thick liquid or semisolid preparation prepared from a drug and auxiliary materials capable of forming gel. In general, gels are limited to topical application to the skin and body cavities, such as nasal, vaginal and rectal cavities, and can be used in a variety of ways to achieve satisfactory results with high drug concentrations and sustained duration of action.

To avoid cross-infection, it is necessary to ensure that the applicator is always sterile prior to administration. However, the existing drug delivery port of the drug delivery device is usually sealed by a cap or a sealing film, and the sealing mode has poor stability, and is easy to cause loosening leakage at the drug delivery port due to disturbance in the process of filling, transporting and using the drug, so that the drug delivery device is leaked and invalid or the drug in the drug delivery device is polluted. Therefore, developing a drug delivery device with a stable sealing structure at the drug delivery port before use and easy removal of the sealing structure at the drug delivery port during use is a technical problem to be solved.

Disclosure of Invention

The utility model aims to provide a prefilled drug delivery device to solve the technical problems in the background art.

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

the utility model provides a pre-encapsulation ware of dosing, includes pipe, push rod and plug, the plug is installed in the push rod tip, push rod and plug are established in the pipe of dosing, and the plug is with the pipe inner wall interference fit of dosing and can follow the pipe inner wall of dosing and slide, the pipe top of dosing is provided with the neck that the size diminishes gradually, and the mouth of dosing has been seted up at neck top middle part, and mouth department of dosing is provided with the end cap of shutoff mouth of dosing, end cap top stretches out mouth of dosing a section distance, and the end cap bottom links to each other with the neck an organic whole of mouth drill way bottom of dosing through flaky easy ring, and forms the sealed cavity of filling the medicament between end cap, plug, the pipe of dosing and the neck.

Preferably, the end cap top is provided with the subassembly of taking off of rolling over that links to each other rather than integrative, the subassembly of taking off is for falling U-shaped structure, and the middle part of falling U-shaped structure is the platy handle of pinching, pinching handle both sides and being provided with the linking arm correspondingly, and the end of two linking arms is all fixed in neck bottom both sides correspondingly through conical easy neck of folding.

Preferably, the plug is a cylinder, and the administration port is a horn-shaped duct with large outside and small inside.

Preferably, the plug is a cylinder, and the administration port is a cylindrical duct adapted to the plug.

Preferably, the bottom orifice of the administration tube is provided with an outwardly extending flange.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has simple structure and convenient use, realizes the effective blocking of the drug delivery port through the integrally connected plugs at the drug delivery port, and further realizes the connection of the plugs and the pipe neck through the ring which is easy to be folded, before the use, the pore canal of the drug delivery port can effectively avoid the excessive displacement of the plugs, prevent the accidental leakage of the drug delivery port, and when the drug delivery port is used, the ring which is easy to be folded can be broken and the plugs can be removed only by slightly applying force along the axial direction of the drug delivery pipe, in addition, the direct contact between an operator and the drug delivery port is avoided in the process, the accidental pollution to the drug is avoided, and the sterile state of the drug in the whole process is ensured.

Drawings

The foregoing and/or other aspects and advantages of the present utility model will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are meant to be illustrative only and not limiting of the utility model, wherein:

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic side sectional view of the drug delivery port of the present utility model in the form of a trumpet-shaped channel;

FIG. 3 is a schematic side sectional view of the present utility model with a cylindrical orifice;

FIG. 4 is an enlarged schematic view of the structure of FIG. 2A;

fig. 5 is an enlarged schematic view of the structure at B in fig. 3.

Reference numerals: 1. a drug administration tube; 2. a neck; 3. a drug administration port; 4. a plug; 5. an easy-to-fold ring; 6. a folding component; 7. the neck is easy to fold; 8. a flange; 9. a push rod; 10. and a rubber plug.

Detailed Description

Hereinafter, an embodiment of a prefilled applicator of the present utility model will be described with reference to the drawings. The examples described herein are specific embodiments of the present utility model, which are intended to illustrate the inventive concept, are intended to be illustrative and exemplary, and should not be construed as limiting the utility model to the embodiments and scope of the utility model. In addition to the embodiments described herein, those skilled in the art can adopt other obvious solutions based on the disclosure of the claims and specification, including those adopting any obvious substitutions and modifications to the embodiments described herein.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "front", "rear", "left", "right", "top", "bottom", "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of 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 relative importance.

The drawings in the present specification are schematic views, which assist in explaining the concept of the present utility model, and schematically show the shapes of the respective parts and their interrelationships. Note that, in order to clearly show the structures of the components of the embodiments of the present utility model, the drawings are not drawn to the same scale. Like reference numerals are used to denote like parts.

The principles and features of the present utility model are described below with reference to the drawings, the illustrated embodiments are provided for illustration only and are not intended to limit the scope of the present utility model. The preferred embodiment of the present utility model is described in further detail below in conjunction with fig. 1-5:

as shown in fig. 1-5, the preferred prefilled syringe of the present utility model comprises a tube 1, a push rod 9 and a rubber plug 10, wherein the rubber plug 10 is mounted at the end of the push rod 9, the push rod 9 and the rubber plug 10 are plugged in the tube 1, the rubber plug 10 is in interference fit with the inner wall of the tube 1 and can slide along the inner wall of the tube 1, an outwardly extending flange 8 is arranged at the bottom orifice of the tube 1 to facilitate the medical staff to hold the tube 1 and gently extrude the medicament to the focus part, in order to prevent the fingers from slipping at the flange 8, the edge part of the flange 8 is preferably provided with an outer convex edge, the top end of the tube 1 is provided with a neck 2 with gradually reduced size, the neck 2 is preferably provided with a plurality of conical tube structures, a plurality of conical tubes form transition through cylindrical tubes, a plug 4 of the tube neck 2 is arranged at the middle part, the top end of the tube neck 2 is provided with a medicament inlet 3, the plug 4 is provided with a cylinder, the top end of the plug 4 extends out a distance from the tube 3, the bottom end 4 is connected with a corresponding tube neck 4 through a sheet-shaped medicament-easy-bending ring 5 to the tube neck 3 through a flange-shaped opening 6, the two side of the neck 4 is provided with a corresponding tube neck-shaped assembly, and the two side end-shaped neck-shaped assembly is formed by a hollow tube neck 2 is connected with a hollow handle 6, and the two-shaped end-shaped assembly is formed by a hollow handle 6 is connected with the two-shaped neck assembly, and the two end neck-shaped assembly is formed by a hollow handle 6 is connected with the neck 2;

as shown in fig. 4, when the disturbance of the administration tube 1 is small during the filling and transporting processes, the administration port 3 is preferably provided with a horn-shaped duct with large outside and small inside to facilitate the removal of the plug 4;

as shown in fig. 5, when the disturbance that the administration tube 1 receives in the filling and transportation processes is great, the administration port 3 is preferably set to the cylindricality pore canal that suits with the plug 4, so as to ensure that the sidewall of the administration port 3 forms enough spacing shielding for the plug 4, prevent unexpected disturbance from causing the plug 4 to transversely move too much and causing the fracture of the easy-to-break ring 5, and influence the normal use of the administration device.

The medicament is injected into the medicament delivery tube 1 in advance according to the design dosage and is sealed by the rubber plug 10 when leaving a factory, and the medicament delivery device filled with the medicament is stored in a sealed manner by the sterile bag.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims (5)

1. A pre-filled and sealed applicator, characterized in that: including administration tube (1), push rod (9) and plug (10), plug (10) are installed in push rod (9) tip, push rod (9) and plug (10) stopper are established in administration tube (1), and plug (10) and administration tube (1) inner wall interference fit and can follow administration tube (1) inner wall slip, administration tube (1) top is provided with neck (2) that the size diminishes gradually, and mouth (3) of dosing has been seted up at neck (2) top middle part, and mouth (3) department of dosing is provided with end cap (4) of mouth (3) of dosing shutoff, end cap (4) top stretches out mouth (3) one distance of dosing, and end cap (4) bottom is through the integrative continuous of laminar easy ring (5) with neck (2) of mouth (3) drill way bottom of dosing, and forms between end cap (4), plug (10), administration tube (1) and neck (2) and fills the sealed cavity of annotating the medicament.

2. A pre-filled and sealed applicator as defined in claim 1, wherein: the plug is characterized in that the top end of the plug (4) is provided with a breaking component (6) integrally connected with the plug, the breaking component (6) is of an inverted U-shaped structure, the middle of the inverted U-shaped structure is a flat pinching handle, connecting arms are correspondingly arranged on two sides of the pinching handle, and the tail ends of the two connecting arms are correspondingly fixed on two sides of the bottom of the pipe neck (2) through conical easy-to-break necks (7).

3. A pre-filled and sealed applicator as defined in claim 1, wherein: the plug (4) is a cylinder, and the drug delivery port (3) is a horn-shaped duct with large outside and small inside.

4. A pre-filled and sealed applicator as defined in claim 1, wherein: the plug (4) is a cylinder, and the drug delivery port (3) is a cylindrical duct matched with the plug (4).

5. A pre-filled and sealed applicator as defined in claim 1, wherein: the bottom pipe orifice of the administration pipe (1) is provided with an outwards extending flange (8).