CN211024555U - A syringe suitable for containing medicines in oily ampoules - Google Patents

Abstract

The application relates to a syringe suitable for containing medicines in oily ampoule bottles. The first part of the syringe accommodates the ampoule bottle with the bottle head removed, and the sealing ring ensures the tightness between the ampoule bottle and the inner wall of the first part of the syringe barrel. To prevent the medicine from flowing out, then remove the bottom of the ampoule bottle, install the second part of the syringe and the injection rod, and the syringe directly accommodates the ampoule bottle. Therefore, it can be applied to various syringes containing medicines in oily ampoules.

Description

A syringe suitable for containing medicines in oily ampoules

technical field

The present application belongs to the technical field of syringes, and in particular relates to a syringe suitable for containing medicines in oily ampoules.

Background technique

Syringe is a common medical tool used to inject various medicines into human or animal body.

An ampoule is a common sealed small glass bottle, which is often used to store drugs for injection, vaccines, serum, etc. When the ampoule is used, a grinding wheel is usually used. After sliding around the top of the ampoule, it is broken to form an opening, and then the medicine in the ampoule is sucked into the syringe through the syringe. In general, water-based medicines, such as syringes, are easy to draw. Oil medicines such as progesterone are difficult to draw into the syringe due to their high viscosity. At present, the usual practice is to first remove the needle cap at the front of the syringe, and directly use the needle handle to suck first.

Utility model content

The technical problem to be solved by the utility model is: in order to solve the deficiencies in the prior art, a syringe suitable for accommodating medicines in an oily ampoule is provided.

The technical scheme adopted by the utility model to solve its technical problems is:

A syringe suitable for containing medicines in oily ampoules, comprising:

needle;

The first part of the syringe, the top end is a small diameter part that matches the head of the ampoule bottle and a large diameter part that accommodates the bottle body of the ampoule bottle, the front end of the first part of the syringe is connected with the needle, the small diameter part and the large diameter part are The inner wall is provided with a sealing ring, and the length of the first part of the syringe is less than the length of the ampoule so that the bottom of the ampoule is exposed;

the second part of the syringe, the top end of the second part of the syringe is connected with the end of the first part of the syringe through the thread;

The injection rod is arranged in the second part of the syringe barrel and can move in the second part of the syringe barrel. The top of the injection rod is provided with a medical rubber piston, and the piston can extend into the bottle body of the ampoule and Match with the inner wall of the bottle body;

Needle cover, the cap is attached to the needle.

Preferably, in the syringe of the present invention, which is suitable for oily ampoules containing medicines, an annular groove is formed on the inner wall of the small diameter part and the large diameter part, and the sealing ring is fixed in the annular groove.

Preferably, in the syringe of the present invention, which is suitable for the oily ampoule containing medicine, the needle is detachably arranged on the first part of the syringe.

Preferably, in the syringe of the present invention, which is suitable for oily ampoules containing medicines, the front end of the piston is tapered.

Preferably, in the syringe of the present invention, which is suitable for oily ampoules containing medicines, the cross section of the injection rod is cross-shaped, and the second part of the syringe is provided with a fixing block with a cross-shaped through hole. The rod passes through the fixed block.

Preferably, in the syringe of the present invention suitable for oily ampoules containing medicines, the inner top of the needle cover has a sealing silicone sheet, and when the needle cover is loaded on the needle, the needle can be pierced to seal the needle.

Preferably, the first part of the syringe, the second part of the syringe, and the injection rod are made of plastic material, and the entire syringe is packaged in a sterile bag.

Preferably, the first part of the syringe, the second part of the syringe and the injection rod are made of glass material according to the syringe of the present invention, which is suitable for the oily ampoule to contain medicines.

The beneficial effects of the present utility model are:

The syringe of the utility model is suitable for the oily ampoule bottle containing medicine, the first part of the syringe accommodates the ampoule bottle with the bottle head removed, and the sealing ring ensures the tightness between the ampoule bottle and the inner wall of the first part of the syringe, preventing the The medicine flows out, then the bottom of the ampoule bottle is removed, and the second part of the syringe and the injection rod are installed. The syringe directly accommodates the ampoule bottle, and the injection can be performed directly without extracting the medicine in the ampoule bottle into the syringe. Therefore, it can be applied to various syringes containing medicines in oily ampoules.

Description of drawings

The technical solutions of the present application will be further described below with reference to the accompanying drawings and embodiments.

Fig. 1 is in the prior art, using the existing syringe to draw the action process diagram of the oily medicine in the ampoule bottle;

2 is a schematic structural diagram of a syringe suitable for oil-based ampoules containing medicines according to an embodiment of the present application;

3 is a cross-sectional view of a syringe suitable for oil-based ampoules containing medicines according to an embodiment of the present application;

4 is a schematic structural diagram of a needle and a needle cover according to an embodiment of the present application;

Fig. 5 is the structural schematic diagram of the first part of the syringe of the embodiment of the present application;

FIG. 6 is a schematic structural diagram of the second part of the syringe and the injection rod according to the embodiment of the present application (the injection rod has been pushed in).

The reference numbers in the figure are:

1 needle;

2 The first part of the syringe;

3 The second part of the syringe;

4 injection rods;

5 needle cover;

21, 22 sealing ring;

41 pistons;

42 fixed blocks.

Detailed ways

It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other in the case of no conflict.

In the description of this application, it should be understood that the terms "center", "portrait", "horizontal", "top", "bottom", "front", "rear", "left", "right", " The orientations or positional relationships indicated by vertical, horizontal, top, bottom, inner, and outer are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and The description is simplified rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the scope of protection of the present application. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first", "second", etc., may expressly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, the meaning of "plurality" is two or more.

In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood through specific situations.

The technical solutions of the present application will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

Example

This embodiment provides a syringe suitable for oily ampoules to contain medicines. As shown in FIG. 2 , it can be a disposable plastic material or a glass material. Generally speaking, it is a one-time use of a sterile packaging bag. packaged, including:

needle 1;

The first part of the syringe barrel 2, the top end is a small-diameter part that cooperates with the head of the ampoule bottle and a large-diameter part that accommodates the bottle body of the ampoule bottle. The inner wall of the large-diameter part is provided with sealing rings 21, 22, (an annular groove is formed on the inner wall of the small-diameter part and the large-diameter part, and the sealing ring is fixed in the annular groove), and the length of the first part 2 of the syringe is smaller than that of the ampoule. length so that the bottom of the ampoule is exposed, so as to facilitate the operation to remove the bottom of the ampoule;

the second part 3 of the syringe, the top end of the second part 3 of the syringe is connected with the end of the first part 2 of the syringe through a thread;

The injection rod 4 is arranged in the second part 3 of the syringe barrel and can move in the second part 3 of the syringe barrel. The top of the injection rod 4 is provided with a piston 41 made of medical rubber, and the piston 41 can extend into the safe. The bottle body of the bottle is cut and matched with the inner wall of the bottle body;

Needle cover 5, the cover is installed at the needle 1.

Further, the needle 1 is detachably arranged on the first part 2 of the syringe barrel, and the installation structure is the same as that of the existing injection needle, such as direct contact connection with force or screw connection, which will not be repeated here.

Further, the front end of the piston 41 is tapered, so that it can partially extend into the top end of the ampoule with a smaller diameter, so that the medicine can be injected as much as possible.

Further, the cross section of the injection rod 4 is cross-shaped, a fixing block 42 with a cross-shaped through hole is provided in the second part 3 of the syringe, and the injection rod 4 passes through the fixing block 42 .

Further, the inner top of the needle cover 5 is provided with a sealing silicone sheet, and when the needle cover 5 is mounted on the needle 1 , the needle 1 can be penetrated by the needle cover 5 to seal the needle 1 .

The use method of the syringe suitable for oily ampoules containing medicines of the present implementation is as follows:

First, take out the syringe first, and remove the second part 3 of the syringe together with the injection rod 4 from the first part 2 of the syringe;

2. Wipe and disinfect the top of the ampoule bottle with alcohol. After the alcohol evaporates naturally, open the top of the ampoule bottle;

3. Make the opening of the ampoule bottle face up, cover the first part 2 of the syringe barrel on the ampoule bottle, and push the ampoule bottle into the first part 2 of the syringe barrel to be fixed by the sealing ring;

Fourth, turn over the first part 2 of the syringe (because the needle cover 5, the needle 1 and the first part 2 of the syringe completely accommodate the top edge of the ampoule, which plays a sealing role and prevents the medicine from flowing out), and the bottom of the ampoule is filled with alcohol. Wipe and disinfect, after the alcohol evaporates naturally, open the bottom of the ampoule bottle;

Fifth, install the second part 3 of the syringe on the first part 2 of the syringe, and extend the piston on the top edge of the injection rod 4 into the ampoule from the bottom opening of the ampoule;

Sixth, rotate the syringe to the vertical upward, so that the gas in the ampoule bottle reaches the top edge, remove the needle cover 5, press the injection rod 4 to discharge the gas, and then the injection can be performed.

During the whole process, the parts of the outer wall of the ampoule that can come into contact with the medicine have been disinfected, and the human hand will not touch the part of the syringe that needs to be in contact with the medicine (the human hand only holds the first part of the syringe barrel 2 and the needle. the outer wall of the second part 3 of the cartridge), thus ensuring aseptic use.

It should be noted that the syringe of the present application should be used together with an ampoule, and a syringe usually corresponds to only one type of ampoule.

Taking the above ideal embodiments according to the present application as inspiration, and through the above descriptions, relevant personnel can make various changes and modifications without departing from the technical idea of the present application. The technical scope of the present application is not limited to the content in the description, and the technical scope must be determined according to the scope of the claims.

Claims (8)

1. A syringe adapted for use with an oil ampoule containing a drug, comprising:

a needle (1);

the top end of the first needle cylinder part (2) is provided with a small-diameter part matched with the head of the Ann-cut bottle and a large-diameter part for accommodating the body of the Ann-cut bottle, the front end of the first needle cylinder part (2) is connected with the needle head (1), sealing rings are arranged on the inner walls of the small-diameter part and the large-diameter part, and the length of the first needle cylinder part (2) is smaller than that of the Ann-cut bottle so that the bottom of the Ann-cut bottle is exposed;

the top end of the second syringe part (3) is connected with the tail end of the first syringe part (2) through threads;

the injection rod (4) is arranged in the second part (3) of the needle cylinder and can move in the second part (3) of the needle cylinder, a medical rubber piston (41) is arranged at the top of the injection rod (4), and the piston (41) can extend into the bottle body of the ampoule and is matched with the inner wall of the bottle body;

a needle cover (5) which is covered on the needle (1).

2. The syringe suitable for an oily ampoule containing medicines according to claim 1, wherein annular grooves are formed on the inner walls of the small-diameter portion and the large-diameter portion, and the seal ring is fixed in the annular groove.

3. Syringe suitable for oily ampoules containing drugs according to claim 1 or 2, characterised in that said needle (1) is removably arranged on the first part (2) of the barrel.

4. Syringe suitable for oily ampoules to contain drugs according to claim 1, characterized in that the front end of the piston (41) is conical.

5. The injector suitable for the oil ampoule to contain the medicine according to claim 1, wherein the cross section of the injection rod (4) is cross-shaped, a fixing block (42) with a cross-shaped through hole is arranged in the second part (3) of the syringe, and the injection rod (4) penetrates through the fixing block (42).

6. The syringe suitable for oil ampoules to contain drugs according to claim 1, wherein the needle cover (5) has a silicone sheet on the inner top, and when the needle cover (5) is covered on the needle (1), the needle (1) can be pierced to seal the needle (1).

7. The syringe suitable for containing medicine in an oily ampoule according to claim 1, characterized in that the first syringe part (2), the second syringe part (3) and the injection rod (4) are made of plastic materials, and the syringe is packaged by a sterile bag.

8. The syringe suitable for the oil ampoule to contain the medicine according to claim 1, wherein the first syringe part (2), the second syringe part (3) and the injection rod (4) are made of glass.

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