CN218187304U

CN218187304U - Dosing device for divided dosing

Info

Publication number: CN218187304U
Application number: CN202220569324.7U
Authority: CN
Inventors: 官松美; 张保顺; 郭行端; 高凤; 黄蕙莉; 邹明智; 吴彪; 林子然; 龚小保; 李柳珠; 陈龙威; 林鑫娣; 林矫; 戴光琴; 陈文毫
Original assignee: Second Affiliated Hospital Of Guangdong Medical University
Current assignee: Second Affiliated Hospital Of Guangdong Medical University
Priority date: 2022-03-16
Filing date: 2022-03-16
Publication date: 2023-01-03
Anticipated expiration: 2032-03-16

Abstract

The utility model discloses a dosing device relates to oral liquid medicament technical field, has solved the artifical manual unsafe problem of the fractional dose that carries out the medicine, and its technical scheme main points are: the quantitative cylinder is internally provided with a piston head, the lower end of the quantitative cylinder is in an inverted cone shape, the inner surface of the quantitative cylinder is matched with the end surface of the lower end of the piston head, the end surface of the upper end of the piston head is provided with a push rod, the lower end of the push rod extends into the upper end of the piston head and is fixedly connected with an embedded disc, the outer ring surface of the embedded disc is close to the outer ring surface of the upper end of the piston head and is welded with an elastic elliptical ring in an expansion state, the outer ring surface of the upper end of the quantitative cylinder is fixedly sleeved with a force application ring, the end surface of the lower end of the quantitative cylinder is fixedly connected with a liquid outlet, a liquid outlet cover is provided with a sealing plug, the middle part of the inner surface of the sealing plug is provided with a packing column, and the upper end of the packing column is inserted into the liquid outlet and is flush with the end surface of the lower end of the quantitative cylinder; the purpose of accurate divided dose administration is achieved, and the accuracy of actual dosage is ensured.

Description

Dosing device for divided dosing

Technical Field

The utility model relates to an oral liquid medicament technical field, more specifically says that it relates to the dosing device that doses.

Background

In the course of disease treatment, the administration mode is various, including intramuscular injection, intravenous injection, oral administration, etc., and the oral administration mode includes mixing the medicine with water to form a liquid preparation and then carrying out oral administration.

The above-mentioned method of mixing the drug with water into a liquid preparation for oral administration, when used for a special population such as children, has a phenomenon that it is not necessary to take one whole tablet or one whole pack at a time, and thus it is necessary to divide the dose again on a one-tablet or one whole pack basis.

The dosage is mostly manually carried out by parents of patients, so that the disadvantage of inaccurate dosage exists, and the disadvantage of inaccurate actual dosage exists in the process of mixing the liquid medicament with water for oral administration. To this end, we propose a metered dose delivery device.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a divide dose dosing device reaches the dose of using medicine to the medicine, under the condition based on a whole or whole package, carries out the ration of dosing of dividing the dose once more.

The above technical purpose of the present invention can be achieved by the following technical solutions: including a quantification section of thick bamboo, the inside of a quantification section of thick bamboo is equipped with the piston head, the lower extreme of a quantification section of thick bamboo is the terminal surface phase-match of back taper and internal surface and piston head lower extreme, the terminal surface of piston head upper end is equipped with the push rod, the upper end of push rod extends to the outside of a quantification section of thick bamboo upper end.

The lower end of the push rod extends into the interior of the upper end of the piston head and is fixedly connected with an embedded disc, and the outer ring surface of the embedded disc is close to the outer ring surface of the upper end of the piston head and is welded with an elastic elliptical ring in an expansion state.

The quantitative cylinder is characterized in that an outer ring surface at the upper end of the quantitative cylinder is fixedly sleeved with a force applying ring, a liquid outlet nozzle is fixedly connected with the end surface at the lower end of the quantitative cylinder, a sealing plug is arranged on a liquid outlet nozzle cover, a sealing column is arranged in the middle of the inner surface of the sealing plug, and the upper end of the sealing column is inserted into the liquid outlet nozzle and is parallel to the end surface at the lower end of the quantitative cylinder.

By adopting the technical scheme, in the using process, the whole device is inverted, the piston head is pulled to the adaptive scale marking groove on the quantitative cylinder through the push rod, the sealing plug is opened, the crushed whole medicine or a whole package of medicine is poured into the sealing plug, then water is poured into the sealing plug, the water level line is aligned with one end of the quantitative cylinder where the liquid outlet nozzle is located, the sealing plug is covered, after the medicine is dissolved, the whole device is upright, and further in the quantitative administration process, the sealing plug is only required to be taken down and quantitatively pushed out based on the scale marking groove according to the administration proportion, so that accurate fractional dose administration is realized, and the accuracy of the actual dosage is ensured.

The utility model discloses further set up to: the welding of one side of quantitative section of thick bamboo lower extreme surface has the support base, the lower extreme of supporting the base is located the outside of quantitative section of thick bamboo below, just the up end of the lower terminal surface of supporting the base and push rod all is equipped with the sucking disc.

Through adopting above-mentioned technical scheme, at the in-process that the device was invertd or was just putting, the sucking disc can laminate mutually with the face of placing, and then is convenient for the device and is in stable state at the in-process of inverting or just putting.

The utility model discloses further set up to: the inner surface of the upper end of the quantitative cylinder is provided with a thread groove, the upper end of the quantitative cylinder is provided with a thread plugging ring through the thread groove, and the inner diameter of the thread plugging ring is smaller than the diameter of the upper end of the piston head.

By adopting the technical scheme, the piston head can be effectively prevented from being separated due to misoperation in the process of pulling the piston head through the push rod.

The utility model discloses further set up to: the surface of the part, which is in the shape of an inverted cone, of the lower end of the piston head is provided with a plurality of rubber protrusions distributed at intervals, and the rubber protrusions and the piston head are of an integrated structure.

Through adopting above-mentioned technical scheme, after medicine and partial water got into the ration section of thick bamboo, the bellied setting of rubber is convenient for under the condition of rocking the ration section of thick bamboo, realizes the quick dissolution of medicine in aqueous.

The utility model discloses further set up to: the outer surface of the quantifying cylinder is provided with a scale marking groove.

Through adopting above-mentioned technical scheme, can be convenient for quick the scale of acquireing the liquid in the ration section of thick bamboo, and then know the whole volume of liquid medicament and the real-time deduction volume of medicament release in-process.

The utility model discloses further set up to: the lower extreme of a ration section of thick bamboo is the terminal surface phase-match of horizontality and internal surface and piston head lower extreme, the installation cavity has been seted up at the middle part of terminal surface under the piston head, the sealed head that is the bowl form is installed to the lower part of installation cavity, the tip of sealed head is towards the installation cavity inside and has been seted up the cross through hole, the spring is installed at the top in the installation cavity, seal gasket is installed to the lower extreme of spring, seal gasket's lower surface contacts with the upper end of sealed head, the breather pipe is installed to one side of the inside upper end of installation cavity, the other end of breather pipe runs through embedded dish and extends to the surface of piston head upper end.

Through adopting above-mentioned technical scheme, whole device is under the positive attitude, pour into quantitative water in to the ration section of thick bamboo, the medicine is with the help of the external instrument intensive mixing dissolve the back, accessible push rod directly pushes away the piston head to the ration section of thick bamboo in, the air in the in-process ration section of thick bamboo that pushes away is under the condition that receives the compression, the air can be through cross through hole effect on the gasket, the spring that gasket connected this moment is compressed, can produce the clearance between gasket and the sealing head under this condition and make the air pass through the breather pipe and discharge, and under the condition that the piston head contacted with the liquid level, stop pushing, thereby can realize under the condition of not reversing the device, still can be with the air escape in the device.

Compared with the prior art, the utility model discloses following beneficial effect has: the use is simple, the operation is convenient, accurate sub-dosage administration can be carried out on the basis that the medicine is dissolved in water for administration, the accurate quantification of the medicine under the condition that one whole tablet or one whole package of the medicine does not need to be taken at one time is ensured, and the popularization and the application are further facilitated.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principle of the invention. In the drawings:

fig. 1 is a front view of embodiment 1 of the present invention.

Fig. 2 is a cross-sectional view of embodiment 1 of the present invention.

Fig. 3 is a sectional view of a piston head according to embodiment 1 of the present invention.

Fig. 4 is a front view of embodiment 2 of the present invention.

Fig. 5 is a sectional view of a piston head according to embodiment 2 of the present invention.

Fig. 6 is a plan view of a seal head according to embodiment 2 of the present invention.

Reference numbers and corresponding part names in the figures:

1-a quantifying cylinder, 2-a supporting base, 3-a liquid outlet nozzle, 4-a sealing plug, 401-a sealing column, 5-a piston head, 6-a push rod, 7-a thread sealing ring, 8-a sucker, 9-a force application ring, 10-an embedded disc, 11-an elastic elliptical ring, 12-a rubber bulge, 13-a scale marking groove, 14-an installation cavity, 15-a sealing head, 16-a spring, 17-a sealing gasket and 18-a vent pipe.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and accompanying fig. 1-3, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended to limit the present invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example 1

As shown in fig. 1, fig. 2 and fig. 3, divide dose dosing quantitative device, including a quantification section of thick bamboo 1, the inside of a quantification section of thick bamboo 1 is equipped with piston head 5, the surface that the piston head 5 lower extreme is the back taper part is equipped with a plurality of interval distribution's rubber bulge 12, formula structure as an organic whole between rubber bulge 12 and the piston head 5, the lower extreme of a quantification section of thick bamboo 1 is the back taper and the terminal surface phase-match of internal surface and piston head 5 lower extreme, the terminal surface of piston head 5 upper end is equipped with push rod 6, the upper end of push rod 6 extends to the outside of a quantification section of thick bamboo 1 upper end, the thread groove has been seted up to the internal surface of a quantification section of thick bamboo 1 upper end, and thread plugging ring 7 is installed through the thread groove to the upper end of a quantification section of thick bamboo 1, the internal diameter of thread plugging ring 7 is less than the diameter of piston head 5 upper end.

The welding of one side of a quantitative section of thick bamboo 1 lower extreme surface has support base 2, and the lower extreme that supports base 2 is located the outside of a quantitative section of thick bamboo 1 below, and the up end of the lower terminal surface of supporting base 2 and push rod 6 all is equipped with sucking disc 8, and the setting of sucking disc 8 is convenient for the whole firm of putting of device, and under the positive circumstances of putting of device, combines the setting of supporting base 2, is convenient for carry out the taking of connecing of liquid medicine below liquid outlet nozzle 3.

The lower end of the push rod 6 extends to the inner part of the upper end of the piston head 5 and is fixedly connected with an embedded disc 10, the outer ring surface of the embedded disc 10 is close to the outer ring surface of the upper end of the piston head 5 and is welded with an elastic elliptical ring 11 in an expansion state, the elastic elliptical ring 11 can generate an elastic effect on the piston head 5, so that the outer surface of the piston head 5 is tightly attached to the inner surface of the quantitative cylinder 1, and the phenomenon of liquid leakage between the piston head 5 and the surface of the quantitative cylinder 1 is avoided.

The outer ring surface of the upper end of the quantifying cylinder 1 is fixedly sleeved with an applying ring 9, the end surface of the lower end of the quantifying cylinder 1 is fixedly connected with a liquid outlet 3, the cover of the liquid outlet 3 is provided with a sealing plug 4, the middle part of the inner surface of the sealing plug 4 is provided with a sealing column 401, the upper end of the sealing column 401 is inserted in the liquid outlet 3 and is parallel and level with the end surface of the lower end of the quantifying cylinder 1, the outer surface of the quantifying cylinder 1 is provided with a scale marking groove 13, on the basis that the inner part of the liquid outlet 3 is parallel and level with the end surface of the lower end of the quantifying cylinder 1, the specific volume represented by the scale marking groove 13 is the space volume formed by the end surfaces of the piston head 5 and the lower end of the quantifying cylinder 1, and therefore the accuracy of the device in the using process can be ensured under the condition that the end surface of the quantifying cylinder 1 is the measuring standard surface of liquid.

The working principle is as follows: in the using process, the whole device is firstly inverted, the piston head 5 is pulled to the adaptive scale marking groove 13 on the quantitative cylinder 1 through the push rod 6, the sealing plug 4 is opened, a crushed whole medicine or a whole package of medicine is poured into the device, then water is poured into the device, the water level line is kept parallel and level with one end, connected with the liquid outlet 3, of the quantitative cylinder 1, after the medicine is dissolved, the sealing plug 4 is covered, the whole device is placed right, in the quantitative administration process, only the sealing plug 4 needs to be taken down and quantitatively pushed out based on the scale marking groove 13 according to the medicine using proportion, at the moment, accurate sub-dosage administration is realized, the accuracy of the actual medicine dosage is ensured, the whole operation process is simple and convenient, accurate sub-dosage administration can be carried out on the basis that the medicine is dissolved in water for administration, the accurate quantification of the medicine under the condition that the medicine is not needed to be taken once, and further popularization and application are facilitated.

Example 2

Referring to fig. 4, 5, and 6, the present embodiment 2 is different from the present embodiment 1 in that the lower end of the quantitative cylinder 1 is in a horizontal state, the inner surface of the quantitative cylinder is matched with the end surface of the lower end of the piston head 5, an installation cavity 14 is formed in the middle of the lower end surface of the piston head 5, a bowl-shaped sealing head 15 is installed at the lower portion of the installation cavity 14, the end of the sealing head 15 faces the inside of the installation cavity 14 and is provided with a cross-shaped through hole, a spring 16 is installed at the top of the installation cavity 14, a sealing gasket 17 is installed at the lower end of the spring 16, the lower surface of the sealing gasket 17 is in contact with the upper end of the sealing head 15, a vent pipe 18 is installed at one side of the inner upper end of the installation cavity 14, and the other end of the vent pipe 18 penetrates through the embedded disc 10 and extends to the surface of the upper end of the piston head 5.

The use principle is as follows: in the positive state of the whole device, quantitative water and medicine are poured into the quantitative cylinder 1 and are fully stirred and dissolved by means of an external tool, the piston head 5 can be directly pushed into the quantitative cylinder 1 through the push rod 6, the air in the quantitative cylinder 1 can act on the sealing gasket 17 through the cross-shaped through hole at the upper end of the sealing head 15 under the condition that the air in the quantitative cylinder 1 is compressed in the pushing process, the spring 16 connected with the sealing gasket 17 is compressed, a gap can be generated between the sealing gasket 17 and the sealing head 15 under the condition that the air is discharged through the vent pipe 18, the pushing is stopped under the condition that the piston head 5 is contacted with the liquid level, so that the air in the device can still be discharged under the condition that the device is not reversed, when more and less mixed liquid medicine needs to be discharged, the seal plug 4 is directly opened to push the push rod 6 and refer to the scale mark groove 13, and the operation is simple and convenient.

The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The dosing device comprises a dosing cylinder (1) and is characterized in that a piston head (5) is arranged inside the dosing cylinder (1), the lower end of the dosing cylinder (1) is in an inverted cone shape, the inner surface of the lower end of the piston head (5) is matched with the end surface of the lower end of the piston head, a push rod (6) is arranged on the end surface of the upper end of the piston head (5), and the upper end of the push rod (6) extends to the outside of the upper end of the dosing cylinder (1);

the lower end of the push rod (6) extends into the inner part of the upper end of the piston head (5) and is fixedly connected with an embedded disc (10), and the outer ring surface of the embedded disc (10) is close to the outer ring surface of the upper end of the piston head (5) and is welded with an elastic elliptical ring (11) in an expansion state;

the quantitative liquid outlet device is characterized in that an outer ring surface at the upper end of the quantitative barrel (1) is fixedly sleeved with a force application ring (9), the end surface at the lower end of the quantitative barrel (1) is fixedly connected with a liquid outlet nozzle (3), a sealing plug (4) is arranged on the liquid outlet nozzle (3) in a covering manner, a sealing column (401) is arranged in the middle of the inner surface of the sealing plug (4), and the upper end of the sealing column (401) is inserted into the liquid outlet nozzle (3) and is parallel and level to the end surface at the lower end of the quantitative barrel (1).

2. The dosing device according to claim 1, wherein a support base (2) is welded to one side of the outer surface of the lower end of the dosing cylinder (1), the lower end of the support base (2) is located on the outer side below the dosing cylinder (1), and the lower end face of the support base (2) and the upper end face of the push rod (6) are provided with suckers (8).

3. The device for divided dose administration and metering of claim 1, wherein the inner surface of the upper end of the metering cylinder (1) is provided with a thread groove, the upper end of the metering cylinder (1) is provided with a thread plugging ring (7) through the thread groove, and the inner diameter of the thread plugging ring (7) is smaller than the diameter of the upper end of the piston head (5).

4. The device for divided dose administration and metering of claim 1, wherein the surface of the inverted conical part at the lower end of the piston head (5) is provided with a plurality of rubber bulges (12) which are distributed at intervals, and the rubber bulges (12) and the piston head (5) are of an integral structure.

5. The dosing device according to claim 1, characterized in that the dosing cylinder (1) has a scale mark groove (13) formed in its outer surface.

6. The dosing device for divided dosing according to claim 1, wherein the lower end of the dosing cylinder (1) is horizontal, the inner surface of the dosing cylinder is matched with the end surface of the lower end of the piston head (5), the middle part of the lower end surface of the piston head (5) is provided with a mounting cavity (14), the lower part of the mounting cavity (14) is provided with a bowl-shaped sealing head (15), the end part of the sealing head (15) faces the inside of the mounting cavity (14) and is provided with a cross-shaped through hole, the top part of the inside of the mounting cavity (14) is provided with a spring (16), the lower end of the spring (16) is provided with a sealing gasket (17), the lower surface of the sealing gasket (17) is in contact with the upper end of the sealing head (15), one side of the upper end of the inside of the mounting cavity (14) is provided with a vent pipe (18), and the other end of the vent pipe (18) penetrates through the embedded disc (10) and extends to the surface of the upper end of the piston head (5).