CN204655778U - Syringe - Google Patents

Abstract

The utility model discloses a syringe capable of injecting substances such as gel into female vagina, vulva or skin, and relates to the field of medical equipment. The syringe comprises a cylinder body and a push rod. The push rod is located inside the cylinder body. There is a sealing plug, the head of the cylinder body is provided with an opening, and a sleeve is also included. The sleeve sleeve is closely matched with the upper part of the cylinder body. The length of the push rod is less than the length of the cylinder body. The diameter is smaller than the inner diameter of the lower half of the cylinder; it can prevent the medicine in the syringe from leaking out, avoiding waste and contamination of surrounding items, and there is also a sleeve matching the cylinder, which can prevent the contact between the syringe head and the outside, ensuring Non-toxic hygiene of the syringe head.

Description

syringe

technical field

The utility model relates to the field of medical devices, in particular to a syringe capable of injecting substances such as gel into female vagina, vulva or skin surface.

Background technique

Now some women's skin care products or medicines for treating gynecological diseases need to be directly injected into women's vaginas through syringes. For the sake of hygiene, most of the syringes are disposable, and the medicines or skin care products are stored in the syringes in advance.

The patent document of Chinese Patent Authorization Announcement No. CN 2171373Y discloses a syringe for women, which is mainly composed of a push rod, a plug head, a cylinder body and a tail sleeve. There is a tail cover at the end of the body. When the syringe is filled with medicine, the medicine can be injected into the female vagina by directly pushing the push rod with the thumb, which is disposable, practical, safe and hygienic. After the syringe with this structure is used to store medicines, since the tail end of the push rod protrudes from the barrel, after the syringe is placed, the push rod is easy to move under the action of non-artificial external force, resulting in leakage of the medicine, which not only causes waste, but also damages the surrounding area. In addition, when it is necessary to use medicine on the female vulva or skin, the medicine dose is small, and the medicine stored in a syringe can be used many times. At this time, it is necessary to ensure that the head of the syringe is non-toxic and hygienic. The syringe cannot meet the requirements of use.

Utility model content

The problem to be solved by the utility model is to provide a syringe that can inject medicines into women's vagina, vulva or skin. When the syringe is placed, the medicines stored inside will not leak, and it can ensure safety and sanitation when used many times.

In order to solve the above-mentioned technical problems, the technical solution of this new model is: a syringe, including a barrel and a push rod, the push rod is located inside the barrel, the head of the push rod is provided with a sealing plug, and the head of the barrel is It is provided with an opening, and also includes a sleeve. The cylinder includes an upper cylinder and a lower cylinder. The sleeve is closely matched with the upper cylinder. The length of the push rod is less than the length of the cylinder. The push rod passes through the sealing plug Slidingly matched with the upper cylinder, the outer diameter of the sleeve is smaller than the inner diameter of the lower cylinder.

It can be seen from the above technical features that the utility model has the following advantages: since the push rod is located inside the cylinder, and the length of the push rod is smaller than the length of the cylinder, after the syringe stores medicines, it is difficult to push the push rod by non-human external force, which can prevent the Leakage of medicines avoids waste and contamination of surrounding items. There is also a sleeve that matches the cylinder. The sleeve is closely matched with the upper cylinder of the syringe. After each use of the syringe, cover the sleeve to prevent The contact between the syringe head and the outside ensures that the syringe head is non-toxic and hygienic. Since the outer diameter of the sleeve is smaller than the inner diameter of the lower cylinder, the sleeve can be inserted into the lower cylinder, thereby pushing the push rod to inject the drug into the vagina, vulva or skin surface.

As an improvement, the inner wall of the sleeve head is provided with a protrusion for sealing the opening of the cylinder; when the sleeve is closed, the protrusion fits closely with the opening and can be used as a plug to seal the opening, and the protrusion and the opening The snap fit makes the sleeve more firmly set on the cylinder.

As an improvement, an elliptical annular flange is provided at the bottom end of the cylinder; it is convenient for one-handed operation during injection.

As an improvement, the bottom end of the push rod is also provided with a flange; the contact area between the tail end of the push rod and the sleeve is increased, which is used for the sleeve to push the push rod.

As an improvement, a plug body is also included, and the plug body tightly fits with the tail end of the cylinder body; further preventing unintentional external force from pushing the push rod.

Preferably, the shape of the head of the cylinder body is a smooth arc surface; during vaginal injection, scratches to the vagina are prevented.

Description of drawings

Fig. 1 is a sectional view of the utility model;

As shown in the figure, 1. cylinder; 1.1 upper cylinder; 1.2 lower cylinder; 2. push rod; 3. sealing plug; 4. opening; 5. sleeve; 6. protrusion; 7. annular flange ; 8, flange; 9, plug body.

Detailed ways

The specific embodiment of the utility model is described in detail below in conjunction with accompanying drawing.

As described in Fig. 1, the syringe of the present utility model comprises a cylinder 1 consisting of an upper cylinder 1.1 and a lower cylinder 1.2, the diameter of the upper cylinder 1.1 is smaller than that of the lower cylinder 1.2, and the cylinder 1 is made of transparent plastic material, the head of cylinder 1 is provided with an opening 4, and the drug flows out of cylinder 1 through opening 4, the head of cylinder 1 is a smooth arc surface shape, the push rod 2 is located inside the cylinder 1, and the push rod 2 The length is less than the length of the cylinder 1, and the length is roughly the same as that of the upper cylinder 1.1. The head of the push rod 2 is provided with a sealing plug 3, and the tail end is provided with a flange 8. The syringe also has a sleeve 4, the cylinder There is a protrusion 5 on the inner side of the head of the sleeve 4. The size of the protrusion 5 matches the size of the opening 4. When the sleeve 4 is placed on the upper cylinder 1.1, the sleeve 4 is tightly fitted with the cylinder 1, and the protrusion 5 engages with the opening 4 to make the combination of the sleeve 4 and the cylinder 1 more firm, and the outer diameter of the sleeve 4 is smaller than the outer diameter of the lower cylinder 1.2.

Since the push rod 2 is located inside the barrel 1, and the length of the push rod 2 is smaller than the length of the barrel 1, after the syringe stores the medicine, it is difficult to push the push rod 2 by non-human external force, which can prevent the medicine in the syringe from leaking out and avoid waste and pollution Surrounding items, the sleeve 4 is closely matched with the upper cylinder 1.1. After each use of the syringe, cover the sleeve 4, which can prevent the contact between the syringe head and the outside, and ensure the non-toxic hygiene of the syringe head, so that the syringe can be used For repeated use, since the outer diameter of the sleeve 4 is smaller than the inner diameter of the lower cylinder 1.2, and there is a flange 8 at the tail end of the push rod 2, the sleeve 4 can be inserted into the lower cylinder 1.2, thereby pushing the push rod 2 to The drug is injected into the vagina, vulva or skin surface. Since the head of the cylinder body 1 is in a smooth arc shape, the vagina will not be scratched when the drug is injected into the vagina.

An oval annular flange 7 is provided at the tail end of the cylinder body 1, which facilitates one-handed injection. The syringe also has a plug body 9, which is closely matched with the tail end of the cylinder body 1, and the plug body 9 can further prevent non-human external force from pushing the push rod 2.

To sum up, the syringe does not require specific storage tools, does not leak medicine when it is placed, can effectively avoid contact between the syringe head and the external environment, is clean and hygienic, and can be used multiple times when the injection volume is small.

It can be understood that the above specific description of the utility model is only used to illustrate the utility model and is not limited to the technical solutions described in the embodiments of the utility model. Those of ordinary skill in the art should understand that they can still understand the utility model Make modifications or equivalent replacements to achieve the same technical effect; as long as the needs of use are met, they are all within the protection scope of the present utility model.

Claims (6)

1. a syringe, comprise cylindrical shell (1) and push rod (2), it is inner that described push rod (2) is positioned at cylindrical shell (1), push rod (2) head is provided with sealing plug (3), described cylindrical shell (1) head is provided with opening (4), it is characterized in that: also comprise a jacket casing (5), described cylindrical shell (1) comprises upper shell (1.1) and lower shell (1.2), described jacket casing (5) and upper shell (1.1) tight fit, described push rod (2) length is less than cylindrical shell (1) length, push rod (2) is slidably matched by sealing plug (3) and upper shell (1.1), described jacket casing (5) external diameter is less than or equal to lower shell (1.2) internal diameter.

2. syringe according to claim 1, is characterized in that: described jacket casing (5) head inwall is provided with a projection (6) for sealed cylinder (1) opening.

3. syringe according to claims 1 or 2, is characterized in that: described cylindrical shell (1) bottom is provided with elliptoid annular flange flange (7).

4. syringe according to claims 1 or 2, is characterized in that: described push rod (2) bottom is also provided with flange (8).

5. syringe according to claims 1 or 2, is characterized in that: also comprise a cock body (9), described cock body (9) and cylindrical shell (1) bottom tight fit.

6. syringe according to claims 1 or 2, is characterized in that: described cylindrical shell (1) nose shape is smooth arc-shaped surface shape.