技术领域technical field
本实用新型涉及医疗技术领域，特别是涉及一种安全式注射器。The utility model relates to the field of medical technology, in particular to a safety syringe.
背景技术Background technique
目前市面上大量使用和销售的仍然是传统一次性注射器；目前国内各级医院使用的一次性注射器都是由针头、针帽和注射器本体组成的，但是该类注射器主要存在以下三方面的问题：At present, traditional disposable syringes are still widely used and sold on the market; the disposable syringes used in domestic hospitals at all levels are composed of needles, needle caps and syringe bodies, but this type of syringes mainly have the following three problems:
1、针头易被污染；1. The needle is easily contaminated;
医院人员在进行注射的时候，打开一次性注射器的包装袋，取下针帽，若未及时进行注射的操作，将其暴露在空气中，会造成针头的污染；When the hospital personnel are injecting, they open the packaging bag of the disposable syringe and remove the needle cap. If the injection operation is not performed in time, it will be exposed to the air, which will cause contamination of the needle;
2、注射时压力过大，针头易脱落；2. The pressure is too high during injection, and the needle is easy to fall off;
目前，针头与针筒之间的连接基本都是套在所述针筒上，但是医护人员在注射的时候，有时候由于针筒内压力过大，造成针头的脱落，造成不必要的麻烦；At present, the connection between the needle and the syringe is basically set on the syringe, but when the medical staff is injecting, sometimes the needle falls off due to the excessive pressure in the syringe, causing unnecessary troubles;
3、针头回收不利，易刺伤医护人员；3. Unfavorable needle recovery, easy to stab medical staff;
注射器使用完以后，有时候会随意丢弃该注射器，该针头会刺伤医护人员，造成二次感染。After the syringe is used up, sometimes the syringe will be discarded at will, and the needle will stab the medical staff and cause secondary infection.
综上所述，目前亟需设计一种克服上述技术问题的注射器。In summary, there is an urgent need to design a syringe that overcomes the above-mentioned technical problems.
实用新型内容Utility model content
本实用新型的目的是提供了一种结构简单、方便实用、有效防止针头注射中脱落的一种安全式注射器；避免了医护人员及其他人员被针刺伤而感染和传播疾病。The purpose of the utility model is to provide a safety syringe which is simple in structure, convenient and practical, and can effectively prevent the needle from falling off during injection; it can prevent medical staff and other personnel from being injured by needles and causing infection and spreading diseases.
为了实现上述目的，本实用新型采取的技术方案是：一种安全式注射器，包括针筒和推杆，所述推杆设于所述针筒内部，In order to achieve the above object, the technical solution adopted by the utility model is: a safety syringe, including a syringe and a push rod, the push rod is arranged inside the syringe,
所述推杆为中空杆体，所述推杆内设有安全杆，所述安全杆的前端活动连接有针头，其后端设有推柄，所述推柄设于所述推杆的外部；The push rod is a hollow rod body, a safety rod is provided inside the push rod, a needle is movably connected to the front end of the safety rod, and a push handle is provided at the rear end thereof, and the push handle is arranged on the outside of the push rod;
所述针筒的插入针头的侧壁上设有连接孔；所述连接孔的内壁上设有内螺纹；所述针头的远离针尖的一端设有连接杆，所述安全杆套设在所述针头的连接杆的端部；A connection hole is provided on the side wall of the needle cylinder where the needle is inserted; an internal thread is provided on the inner wall of the connection hole; a connecting rod is provided at the end of the needle far away from the needle tip, and the safety rod is sleeved on the the end of the connecting rod of the needle;
所述安全杆与所述针头的连接处设有橡胶塞；The connection between the safety rod and the needle is provided with a rubber stopper;
所述连接杆上设有与所述连接孔上的内螺纹相互配合使用的外螺纹；The connecting rod is provided with an external thread that cooperates with the internal thread on the connecting hole;
所述针头推进针筒内部后，卡在所述推杆的外侧；After the needle is pushed into the syringe, it is stuck on the outside of the push rod;
所述针头退出所述针筒后，旋掉该针头后，所述安全杆退至所述推杆的处与其持平；所述橡胶塞处于闭合状；After the needle exits the syringe and unscrews the needle, the safety bar retreats to the position of the push rod to be level with it; the rubber stopper is in a closed state;
所述安全杆的长度大于所述推杆和针头的长度之和。The length of the safety rod is greater than the sum of the lengths of the push rod and the needle.
如上所述的一种安全式注射器，其中，所述连接孔的外侧设有连接座，所述连接座与所述针筒一体成型。A safety syringe as described above, wherein a connecting seat is provided outside the connecting hole, and the connecting seat is integrally formed with the syringe.
如上所述的一种安全式注射器，其中，还包括一针帽，所述针帽卡接在所述连接座上。The above-mentioned safety syringe further includes a needle cap, and the needle cap is clamped on the connecting seat.
与现有技术相比，本实用新型产生的有益效果主要体现在：Compared with the prior art, the beneficial effects produced by the utility model are mainly reflected in:
1、本实用新型的一种安全式注射器，在注射的时候，该针头与所述针筒为螺纹连接，不会因为针筒内压力过大从而导致针头脱落的想象；1. A safety syringe of the present utility model, when injecting, the needle is threadedly connected to the syringe, so that there is no possibility of the needle falling off due to excessive pressure in the syringe;
2、本实用新型的一种安全式注射器，将针头放置在针筒的内部，防止使用前和使用后刺伤医护人员从而引起不必要的感染；2. In the safety syringe of the present invention, the needle is placed inside the syringe to prevent unnecessary infection from being stabbed to the medical staff before and after use;
3、本实用新型的一种安全式注射器，其具有结构简单、使用方便、制作成本低、利于广泛推广的特点。3. A safety syringe of the present utility model has the characteristics of simple structure, convenient use, low manufacturing cost, and favorable for wide popularization.
附图说明Description of drawings
图1是本实用新型的一种安全式注射器的结构示意图；Fig. 1 is a structural representation of a safety syringe of the present utility model;
图2是本实用新型的一种安全式注射器的使用状态的结构示意图；Fig. 2 is a schematic structural view of a safety syringe of the present invention in use;
附图标记说明：Explanation of reference signs:
1、针筒 2、针头 3、推杆1. Syringe 2. Needle 3. Push rod
4、针帽 5、安全杆 6、推柄4. Needle cap 5. Safety lever 6. Push handle
7、连接孔 8、连接杆 9、橡胶塞7. Connecting hole 8. Connecting rod 9. Rubber plug
10、连接座10. Connecting seat
具体实施方式detailed description
为了便于理解本实用新型的目的、技术方案及其效果，现将结合实施例对本实用新型做进一步详细阐述。In order to facilitate the understanding of the purpose, technical solutions and effects of the utility model, the utility model will be further described in detail in combination with embodiments.
如图1和图2所示，本实用新型的一种安全式注射器，包括针筒1和推杆3，所述推杆3设于所述针筒1内部，所述推杆3为中空杆体，所述推杆3内设有安全杆5，所述安全杆5的前端活动连接有针头2，其后端设有推柄6，所述推柄6设于所述推杆3的外部；所述针筒1的插入针头2的侧壁上设有连接孔7；所述连接孔7的内壁上设有内螺纹；所述针头2的远离针尖的一端设有连接杆8，所述安全杆5套设在所述针头2的连接杆8的端部；所述安全杆5与所述针头2的连接处设有橡胶塞9；所述连接杆8上设有与所述连接孔7上的内螺纹相互配合使用的外螺纹；所述针头2推进针筒1内部后，卡在所述推杆3的外侧；所述针头2退出所述针筒1后，旋掉该针头2后，所述安全杆5退至所述推杆3的处与其持平；所述橡胶塞9处于闭合状；所述安全杆5的长度大于所述推杆3和针头2的长度之和。As shown in Figures 1 and 2, a safety syringe of the present invention includes a syringe 1 and a push rod 3, the push rod 3 is located inside the syringe 1, and the push rod 3 is a hollow rod body , the push rod 3 is provided with a safety rod 5, the front end of the safety rod 5 is movably connected with a needle 2, and its rear end is provided with a push handle 6, and the push handle 6 is arranged on the outside of the push rod 3; A connection hole 7 is provided on the side wall of the syringe 1 inserted into the needle 2; an internal thread is provided on the inner wall of the connection hole 7; a connecting rod 8 is provided at the end of the needle 2 away from the needle tip, and the safety The rod 5 is sleeved on the end of the connecting rod 8 of the needle head 2; the connection between the safety rod 5 and the needle head 2 is provided with a rubber plug 9; the connecting rod 8 is provided with the connecting hole 7 The internal thread on the needle is used in conjunction with the external thread; after the needle 2 is pushed into the interior of the syringe 1, it is stuck on the outside of the push rod 3; after the needle 2 exits the syringe 1, the needle 2 is unscrewed , the safety rod 5 retreats to the place where the push rod 3 is flat; the rubber stopper 9 is in a closed state; the length of the safety rod 5 is greater than the sum of the lengths of the push rod 3 and the needle 2 .
本实用新型的一种安全式注射器，在使用的时候，先将该注射器取出来，将安全杆5向连接孔7的方向推，直至将针头2推出后到达连接杆8的时候，旋转该安全杆5，将连接杆8和连接孔7进行连接；待针头2完全处于针筒1外部的时候，将安全杆5从连接杆8上抽下，然后将其推至推杆3内部，此处的橡胶塞9将该推杆3进行封堵；然后完成注射，待注射完后，进行反操作，将该针头2退回至针筒1的内部。A safety syringe of the utility model, when in use, first take out the syringe, push the safety rod 5 toward the connecting hole 7 until the needle 2 is pushed out and reaches the connecting rod 8, then rotate the safety rod 5 Rod 5, connect the connecting rod 8 and the connecting hole 7; when the needle 2 is completely outside the syringe 1, pull the safety rod 5 off the connecting rod 8, and then push it to the inside of the push rod 3, here The rubber stopper 9 is used to block the push rod 3; then the injection is completed, and after the injection is completed, the reverse operation is performed to return the needle 2 to the inside of the syringe 1.
本实用新型的一种安全式注射器，在注射的时候，该针头2与所述针筒1为螺纹连接，不会因为针筒1内压力过大从而导致针头2脱落的想象；将针头2放置在针筒1的内部，防止使用前和使用后刺伤医护人员从而引起不必要的感染。A safety syringe of the utility model, when injecting, the needle 2 is threadedly connected with the syringe 1, and there is no imagination that the needle 2 will fall off due to excessive pressure in the syringe 1; the needle 2 is placed In the interior of the syringe 1, it is prevented from stabbing the medical staff before and after use and causing unnecessary infection.
如图1和图2所示，本实用新型的一种安全式注射器，所述连接孔7的外侧设有连接座10，所述连接座10与所述针筒1一体成型。As shown in FIG. 1 and FIG. 2 , in a safety syringe of the present invention, a connecting seat 10 is provided outside the connecting hole 7 , and the connecting seat 10 is integrally formed with the syringe 1 .
如图1和图2所示，本实用新型的一种安全式注射器，还包括一针帽4，所述针帽4卡接在所述连接座10上。As shown in FIG. 1 and FIG. 2 , a safety syringe of the present invention further includes a needle cap 4 , and the needle cap 4 is clamped on the connecting seat 10 .
本实用新型的一种安全式注射器，设置该连接座10，将该针帽4卡接所述连接座10上，方便针帽4的取拿，以防止针头2从针筒1内穿出后受到不必要的感染。A safety injector of the present utility model is provided with the connecting seat 10, and the needle cap 4 is clipped onto the connecting seat 10, so as to facilitate the taking of the needle cap 4, so as to prevent the needle head 2 from passing through the syringe 1. Unnecessarily infected.
上面结合实施例对本实用新型做了进一步的叙述，但本实用新型并不限于上述实施方式，在本领域的普通技术人员所具备的知识范围内，还可以在不脱离本实用新型宗旨的前提下做出各种变化。The utility model has been further described above in conjunction with the embodiments, but the utility model is not limited to the above-mentioned embodiment, within the scope of knowledge possessed by those of ordinary skill in the art, it can also be used without departing from the purpose of the utility model. Make various changes.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621277049.2UCN206473628U (en) | 2016-11-26 | 2016-11-26 | A kind of safe syringe |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621277049.2UCN206473628U (en) | 2016-11-26 | 2016-11-26 | A kind of safe syringe |
| Publication Number | Publication Date |
|---|---|
| CN206473628Utrue CN206473628U (en) | 2017-09-08 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621277049.2UExpired - Fee RelatedCN206473628U (en) | 2016-11-26 | 2016-11-26 | A kind of safe syringe |
| Country | Link |
|---|---|
| CN (1) | CN206473628U (en) |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107929886A (en)* | 2017-12-12 | 2018-04-20 | 成都育芽科技有限公司 | A kind of insulin injection syringe needle |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107929886A (en)* | 2017-12-12 | 2018-04-20 | 成都育芽科技有限公司 | A kind of insulin injection syringe needle |
| CN107929886B (en)* | 2017-12-12 | 2020-09-01 | 安徽江南医疗器械股份有限公司 | Needle for insulin injection |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | Granted publication date:20170908 Termination date:20181126 | |
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