CN220546447U

CN220546447U - Prefilled syringe

Info

Publication number: CN220546447U
Application number: CN202321473473.4U
Authority: CN
Inventors: 王芝; 蔡一聪; 郑良超; 丁璞; 刘祥
Original assignee: Grand Pharma China Co ltd
Current assignee: Grand Pharma China Co ltd
Priority date: 2023-06-08
Filing date: 2023-06-08
Publication date: 2024-03-01
Anticipated expiration: 2033-06-08

Abstract

The utility model relates to the technical field of medicine packaging containers, in particular to a pre-filling and sealing injector special for epinephrine hydrochloride injection. The utility model provides a pre-filling and sealing injector special for epinephrine hydrochloride injection, which is used for injecting target drug injection, wherein the wall of the injection cylinder is provided with a mark, the mark comprises a first mark and a second mark, the first mark is an initial mark, and the second mark is used for displaying the common injection volume of the target drug injection. When the medical device is used, only the injection piston rod needs to be pushed to the second mark, so that subtraction calculation is avoided, the medical device is convenient to use, and medical accidents caused by inaccurate injection quantity of the medicine are avoided.

Description

Prefilled syringe

Technical Field

The utility model relates to the technical field of medicine packaging containers, in particular to a pre-filling and sealing injector special for epinephrine hydrochloride injection.

Background

The epinephrine hydrochloride injection is mainly suitable for severe dyspnea caused by bronchospasm, can rapidly relieve anaphylactic shock caused by medicines and the like, can also be used for prolonging the acting time of infiltration anesthesia medicine, and is also a main rescue medicine for treating cardiac arrest caused by various reasons to carry out cardiopulmonary resuscitation. However, the doses of epinephrine required for each indication are different, the dosage of epinephrine for children and adults is also different, and the total doses of 0.15mg, 0.3mg, 0.5mg and 1.0mg are required in consideration of the indication and the age of the patient, but only single doses of epinephrine hydrochloride injection are available on the market, and multiple clinical demands cannot be met simultaneously. In addition, the scale of the commercial prefilled syringe near the needle is 0, and all scales and graduation lines are marked, so that a nurse needs to identify the scale and simultaneously make subtraction when injecting, which is inconvenient to use and easy to cause injection errors.

It is necessary to design a syringe which can conveniently measure and inject the volume of epinephrine hydrochloride injection.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent. Therefore, the utility model provides the prefilled syringe, the wall of the injection tube of the prefilled syringe is provided with the mark, the mark comprises a first mark and a second mark, the first mark is used as a starting mark, the second mark is used for displaying the common injection volume of the target medicine injection, and the injection piston rod is only required to be pushed to the second mark when the target medicine injection is injected by the prefilled syringe, so that the subtraction calculation is avoided, the use is convenient, and the medical accident caused by inaccurate medicine injection quantity is avoided.

To this end, a first aspect of the utility model provides a prefilled syringe. According to an embodiment of the utility model, the pre-filled and sealed syringe comprises a syringe barrel and an injection piston rod, the pre-filled and sealed syringe is used for injecting target drug injection, the wall of the syringe barrel is provided with a mark, the mark comprises a first mark and a second mark, the first mark is a starting mark, and the second mark is used for displaying the common injection volume of the target drug injection.

The term "common injection volume" in some embodiments of the utility model indicates one or more of the scale values 0, 0.15, 0.3, 0.7, 0.85; in some embodiments, one or more of scale values 0, 0.1, 0.15, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1 are indicated.

The graduation lines arranged on the injection cylinder wall of the currently marketed syringe with graduation are generally uniform graduation (see fig. 1), and a user needs to read the graduation and make related subtraction when injecting, but injection errors are easily caused when injecting medicines for emergency occasions, such as epinephrine hydrochloride injection. Based on this, the inventors prepared a pre-filled syringe whose syringe wall was provided with a start marker and a second marker for displaying the usual injection volume of the target drug injection. Compared with the prior art, the prefilled syringe provided by the utility model can avoid the subtraction while identifying the scale, is convenient to use, and can realize rapid and accurate injection of the target medicine.

The pre-filled syringe of the above-described embodiments of the present utility model may also have at least one of the following additional technical features:

according to an embodiment of the utility model, the marking is provided on an inner wall and/or an outer wall of the syringe.

According to an embodiment of the present utility model, the mark is any one of a graphic mark, a protrusion, and a depression.

According to an embodiment of the utility model, the marks have corresponding scale values.

In the description of the present utility model, the term "scale values" is merely for convenience of description of the present utility model, and indicates scale values briefly, not specific marks. For example, scale values of 0, 0.15, 0.3, 0.5, 0.7, 0.85, 1, etc., the corresponding marks may be 0, 0.15, 0.3, 0.5, 0.7, 0.85, 1, etc.; or 0ml, 0.15ml, 0.3ml, 0.5ml, 0.7ml, 0.85ml, 1ml, etc.; or 0mg, 0.15mg, 0.3mg, 0.5mg, 0.7mg, 0.85mg, 1mg, etc. or a combination of numerical and quantitative units. It should be noted that, the combination of the scale value, the scale value and the number unit, or the combination of the scale value and the marks such as the horizontal line, the round dot, the triangle and the like are all within the protection scope of the present utility model.

Embodiment one

According to an embodiment of the present utility model, the first mark and the second mark are sequentially arranged on the syringe in a needle direction from the injection piston rod to the syringe, and the scale value is gradually increased from the first mark to the second mark.

According to the embodiment of the utility model, the scale value corresponding to the first mark is 0, 1 to 11 marks are set for the second mark, and the scale values of the marks can be set according to the needs, for example, 1 to 9 marks, 1 to 8 marks, 1 to 7 marks, 1 to 6 marks, 1 to 5 marks or 1 to 4 marks are set.

According to an embodiment of the present utility model, the scale value corresponding to the second mark is 1-11 of 0.1, 0.15, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9 and 1; preferably at least one of 0.15, 0.3, 0.5 and 1.

According to an embodiment of the present utility model, the scale value corresponding to the second mark is at least one of 0.15, 0.3, 0.5 and 1.

According to an embodiment of the utility model, graduation lines may be provided between adjacent ones of the marks.

According to an embodiment of the utility model, a scale value is taken as an example of a marking combined with volume units ml. When the second mark is set to 1, the corresponding scale value thereof may be one of 0.15ml, 0.3ml, 0.5ml and 1ml; when the second mark is set to 2, the corresponding scale value thereof may be 0.15ml, 0.3ml, or 0.15ml, 0.5ml, or 0.15ml, 1ml, or 0.3ml, 0.5ml, or 0.3ml, 1ml, or 0.5ml and 1ml; when the second marks are set to 3, the corresponding scale values thereof can be 0.15ml, 0.3ml, 0.5ml, or 0.15ml, 0.3ml, 1ml, or 0.15ml, 0.5ml, 1ml, or 0.3ml, 0.5ml, 1ml; when the second mark is set to 4, the corresponding scale values may be 0.15ml, 0.3ml, 0.5ml and 1ml. Therefore, when the device is used, the injection of the target volume can be realized by directly pushing the injection piston rod to the corresponding scale value, subtraction and reading of the scale value and the graduation line are not needed.

Second embodiment

According to the embodiment of the utility model, the scale value corresponding to the first mark is 0, 2-10 second marks are arranged, and the first mark and the second mark are uniformly arranged on the injection cylinder.

According to the embodiment of the utility model, the scale value corresponding to the first mark is 0, the scale value corresponding to the second mark is 1 at the maximum, and the first mark and the second mark are uniformly arranged on the injection cylinder.

According to an embodiment of the present utility model, the second mark corresponds to at least 2 scale values of 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9 and 1.

According to a preferred embodiment of the present utility model, the number of the second marks is 5 to 8, and the first marks and the second marks are uniformly arranged on the syringe.

According to an embodiment of the utility model, graduation lines are arranged between adjacent marks.

According to an embodiment of the utility model, a scale value is taken as an example of a marking combined with volume units ml. When the second indicia is 10, the corresponding scale values may be 0.1ml, 0.2ml, 0.3ml, 0.4ml, 0.5ml, 0.6ml, 0.7ml, 0.8ml, 0.9ml, and 1ml. Therefore, when the injection device is used, the injection of the target volume can be realized by directly pushing the injection piston rod to the corresponding scale without subtraction.

Embodiment III

According to an embodiment of the present utility model, the first mark and the second mark are sequentially arranged on the syringe in a needle direction from the injection piston rod to the syringe, and the scale value is gradually reduced from the first mark to the second mark.

According to the embodiment of the utility model, the scale value corresponding to the first mark is 1, and the number of the second marks is 1-4.

According to an embodiment of the present utility model, the scale value corresponding to the second mark is at least one of 0.85, 0.7, 0.5 and 0.

According to an embodiment of the utility model, a scale value is taken as an example of a marking combined with volume units ml. When the second mark is set to 1, the corresponding scale value thereof may be one of 0.85ml, 0.7ml, 0.5ml and 0ml; when the second mark is set to 2, its corresponding scale value may be 0.85ml, 0.7ml, or 0.85ml, 0.5ml, or 0.85ml, 0ml, or 0.7ml, 0.5ml, or 0.7ml, 0ml, or 0.5ml and 0ml; when the second mark is set to 3, the corresponding scale value thereof may be 0.85ml, 0.7ml, 0.5ml, or 0.85ml, 0.7ml, 0ml, or 0.85ml, 0.5ml, 0ml, or 0.7ml, 0.5ml, 0ml; when the second mark is set to 4, its corresponding scale value may be 0.85ml, 0.7ml, 0.5ml, and 0ml. Therefore, when the injection device is used, the corresponding scale value is obtained according to the injection quantity, for example, 0.15ml of medicine injection is needed to be injected by directly pushing the injection piston rod to the corresponding scale value, a prefilled syringe marked with 0.85ml of scale value can be used, and the injection piston rod is directly pushed to the 0.85ml position without reading the scale value and the graduation line.

According to the embodiment of the utility model, the target medicine injection is epinephrine hydrochloride injection.

The pre-filled and sealed injector provided by the utility model can simultaneously meet the clinical requirements of various epinephrine injections, and is convenient to use, so that the operation time is effectively shortened, the accuracy of injection quantity is ensured, and the injection errors are avoided.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic diagram of a prior art prefilled syringe;

FIG. 2 is a schematic diagram of a pre-filled syringe according to an embodiment of the present utility model;

FIG. 3 is a second schematic diagram of a pre-filled syringe according to an embodiment of the present utility model;

FIG. 4 is a third schematic diagram of a pre-filled syringe according to an embodiment of the present utility model;

FIG. 5 is a schematic diagram of a pre-filled syringe according to an embodiment of the present utility model;

FIG. 6 is a schematic diagram of a pre-filled syringe according to an embodiment of the present utility model;

FIG. 7 is a schematic diagram of a pre-filled syringe according to an embodiment of the present utility model;

FIG. 8 is a schematic diagram of a pre-filled syringe according to an embodiment of the present utility model;

FIG. 9 is a schematic illustration of a prefilled syringe according to an embodiment of the present utility model;

fig. 10 is a schematic diagram of a pre-filled syringe according to an embodiment of the present utility model.

Reference numerals:

prefilled syringe 100, syringe barrel 110, first marker 111, second marker 112, injection plunger rod 120, and injection head 130.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting 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", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

For convenience in description of the marks on the syringe of the present utility model, only a prefilled syringe having a syringe head is exemplified, and the needle direction of the syringe is the direction of the syringe head in the drawing. It should be understood that the above examples are merely illustrative, and the technical solution of the present utility model is not limited in any way, and in specific applications, one skilled in the art may choose whether a syringe is mounted with a syringe or other components as needed, and the present utility model is not limited in this respect.

According to an embodiment of the present utility model, as shown in fig. 2-10, the prefilled syringe 100 provided by the present utility model includes a syringe barrel 110, an injection piston rod 120, and an injection head 130, where the prefilled syringe 100 is used for injecting a target drug injection, and the syringe barrel wall is provided with a mark, where the mark includes a first mark 111 and a second mark 112, where the first mark is a start mark, and the second mark is used for displaying a common injection volume of the target drug injection.

According to one embodiment of the utility model, the marks have corresponding scale values.

According to one embodiment of the utility model, the first mark and the second mark are arranged on the syringe in sequence along the needle direction from the injection piston rod to the syringe, and the scale value is gradually increased from the first mark to the second mark.

According to one embodiment of the present utility model, the first mark corresponds to a scale value of 0, the second mark is provided with 1 to 11 corresponding scale values, and the corresponding scale values at least comprise one of 0.15, 0.3, 0.5 and 1.

According to a preferred embodiment of the present utility model, the second mark corresponds to at least one of scale values of 0.15, 0.3, 0.5 and 1. As shown in fig. 2-5, the scale value corresponding to the second mark in fig. 2 is 0.5ml; the scale values corresponding to the second marks in FIG. 3 are respectively 0.5ml and 1ml; the scale values corresponding to the second marks in FIG. 4 are respectively 0.15ml, 0.3ml and 1ml; the scale values for the second marks shown in fig. 5 are 0.15ml, 0.3ml, 0.5ml and 1ml, respectively.

According to the embodiment of the utility model, the scale value corresponding to the first mark is 0, 2 to 10 second marks are arranged, for example, 3, 4, 5, 6, 7, 8, 9 or 10 second marks can be arranged, and the first mark and the second mark are uniformly arranged on the injection cylinder.

According to an embodiment of the utility model, graduation lines are arranged between adjacent marks. As shown in fig. 6, 5 second marks are provided, corresponding to scale values of 0.2ml, 0.4ml, 0.6ml, 0.8ml and 1ml, respectively, and graduation lines are provided between adjacent marks.

According to an embodiment of the utility model, graduation lines are arranged between adjacent marks. For another example, 10 second marks are provided, corresponding to scale values of 0.1ml, 0.2ml, 0.3ml, 0.4ml, 0.5ml, 0.6ml, 0.7ml, 0.8ml, 0.9ml and 1ml, respectively, and graduation lines are provided between adjacent marks.

According to one embodiment of the present utility model, the scale value corresponding to the first mark is 1, and the number of the second marks is 1-4.

According to a preferred embodiment of the present utility model, the second mark corresponds to a scale value of at least one of 0.85ml, 0.7ml, 0.5ml and 0ml. As shown in fig. 7-10, the scale value corresponding to the second mark in fig. 7 is 0.5ml; the scale values corresponding to the second marks in FIG. 8 are respectively 0.7ml and 0ml; the scale values corresponding to the second marks in FIG. 9 are respectively 0.85ml, 0.7ml and 0ml; the scale values corresponding to the second marks in fig. 10 are 0.85ml, 0.7ml, 0.5ml and 0ml, respectively.

According to a specific embodiment of the utility model, the pre-filled and sealed syringe provided by the utility model is used as follows:

before injection, the target drug is pre-filled at the first mark 111, and when the pre-filled syringe is used for injection, the injection piston rod 120 is directly pushed to the second mark 112 displaying the common injection volume. When the prefilled syringe shown in fig. 2-6 is used, i.e. the first mark 111 corresponds to a scale value of 0ml, the injection piston rod 120 only needs to be pushed to the second mark 112 showing the target injection volume according to the target injection volume. When using the prefilled syringe shown in fig. 7-10, i.e. the first mark 111 corresponds to a scale value of 1ml, it is only necessary to push the injection piston rod 120 to the second mark 112, which is shown (1 ml-target injection volume), depending on the target injection volume.

The pre-filled and sealed injector provided by the utility model can simultaneously meet the clinical requirements of various drug injections, is not limited to epinephrine hydrochloride injections, is convenient to use, effectively shortens the operation time, ensures the accuracy of injection quantity and avoids injection errors.

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 are not necessarily 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, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The prefilled syringe is characterized by comprising a syringe barrel and an injection piston rod, wherein the prefilled syringe is used for injecting a target drug injection, the wall of the syringe barrel is provided with a mark, the mark comprises a first mark and a second mark, the first mark is an initial mark, and the second mark is used for displaying the common injection volume of the target drug injection;

the marks have corresponding scale values;

wherein the first mark and the second mark are sequentially arranged on the injection cylinder along the direction from the injection piston rod to the needle of the injection cylinder, and the scale value is gradually increased from the first mark to the second mark;

the first mark corresponds to 0 scale value, the second mark is provided with 1 to 11 scale values, and the second mark corresponds to one or more of 0.1, 0.15, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9 and 1.0 scale values;

or (b)

The first mark and the second mark are sequentially arranged on the injection cylinder along the needle direction from the injection piston rod to the injection cylinder, and the scale value is gradually reduced from the first mark to the second mark;

the scale value corresponding to the first mark is 1, and the number of the second marks is 1-4.

2. The pre-filled and sealed syringe of claim 1, wherein the indicia is provided on an inner wall and/or an outer wall of the syringe barrel, the indicia being at least one of a graphical indicia, a protrusion, a depression.

3. The pre-filled syringe of claim 1, wherein the first mark corresponds to a scale value of 0, the second mark is provided with 1-4, and the second mark corresponds to at least one of 0.15, 0.3, 0.5, and 1 as the scale value gradually increases from the first mark to the second mark.

4. The prefilled syringe of claim 1, wherein the first mark corresponds to a scale value of 0 when the scale value gradually increases from the first mark to the second mark, 2 to 10 second marks are provided, and the first mark and the second mark are uniformly provided on the syringe.

5. The pre-filled syringe of claim 4 wherein graduation lines are provided between adjacent ones of said markings.