CN109999277A - A kind of low pressure needleless injector - Google Patents
A kind of low pressure needleless injector Download PDFInfo
- Publication number
- CN109999277A CN109999277A CN201910250194.3A CN201910250194A CN109999277A CN 109999277 A CN109999277 A CN 109999277A CN 201910250194 A CN201910250194 A CN 201910250194A CN 109999277 A CN109999277 A CN 109999277A
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- needle
- injection
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- free
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- 238000002347 injection Methods 0.000 claims abstract description 46
- 239000007924 injection Substances 0.000 claims abstract description 46
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 239000003814 drug Substances 0.000 abstract description 8
- 238000010521 absorption reaction Methods 0.000 abstract description 7
- 241000282414 Homo sapiens Species 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 3
- 210000004872 soft tissue Anatomy 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000004880 explosion Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 208000031513 cyst Diseases 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000007920 subcutaneous administration Methods 0.000 description 1
- 230000000451 tissue damage Effects 0.000 description 1
- 231100000827 tissue damage Toxicity 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/30—Syringes for injection by jet action, without needle, e.g. for use with replaceable ampoules or carpules
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31533—Dosing mechanisms, i.e. setting a dose
- A61M5/31545—Setting modes for dosing
- A61M5/31548—Mechanically operated dose setting member
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
Landscapes
- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
本发明公开一种低压无针注射器，属于医疗器具领域。所述低压无针注射器包括注射枪，所述注射枪的气源输入端通过软管与气压装置连通；所述注射枪的注射端接头上可拆卸地安装有注射头。本实用新提供的低压无针注射器以压缩气体为动力，使药剂加速到每秒200‑300米的速度，并形成一股极其微小的液体流，迅速穿透皮肤表层，在软组织中扩散，增加吸收面积，提高吸收效果，无针注射避免针头断裂在人体内，且大大减少疼痛。
The invention discloses a low-pressure needle-free syringe, which belongs to the field of medical appliances. The low-pressure needle-free injector includes an injection gun, and the gas source input end of the injection gun is communicated with a pneumatic device through a hose; an injection head is detachably installed on the injection end joint of the injection gun. The low-pressure needle-free syringe provided by the utility model is powered by compressed gas, which accelerates the medicament to a speed of 200-300 meters per second, and forms an extremely tiny liquid flow, which quickly penetrates the skin surface, diffuses in the soft tissue, increases the Absorption area, improve absorption effect, needle-free injection avoids needle breakage in the human body, and greatly reduces pain.
Description
技术领域technical field
本发明涉及医疗器具技术领域，特别涉及一种低压无针注射器。The invention relates to the technical field of medical appliances, in particular to a low-pressure needle-free syringe.
背景技术Background technique
传统的注射器是通过不锈钢针头将药物注入人体的一种注射方式，这种注射方式很容易造成皮下，肌肉组织的损伤，产生囊肿，甚至感染，不仅疼痛感强烈，患者不舒服，而且使多数患者(尤其是婴幼儿)产生恐惧感。在注射过程中易发生针头意外断裂事故，并且通过金属针头注入的大量药物集中在一个点，药剂在注射部位形成团状，不利于吸收。The traditional syringe is an injection method that injects drugs into the human body through a stainless steel needle. This injection method can easily cause subcutaneous and muscle tissue damage, cysts, and even infection. (especially infants and young children) have a sense of fear. Accidental needle breakage is prone to occur during the injection process, and a large amount of medicine injected through the metal needle is concentrated at one point, and the medicine forms a lump at the injection site, which is not conducive to absorption.
全世界每年要处理160亿个针头，而有锋利的金属针头加橡胶活塞、塑料材料等多种成分在一起，给人类造成环境的极大污染和资源浪费。The world needs to process 16 billion needles every year, and there are sharp metal needles, rubber pistons, plastic materials and other components together, causing great environmental pollution and waste of resources to human beings.
发明内容SUMMARY OF THE INVENTION
本发明的目的在于提供一种低压无针注射器，以解决传统的注射器注入的药剂难以吸收，且使患者疼痛感强烈的问题。The purpose of the present invention is to provide a low-pressure needle-free syringe to solve the problem that the medicine injected by the traditional syringe is difficult to absorb and the patient feels intense pain.
为解决上述技术问题，本发明提供了一种低压无针注射器，包括：In order to solve the above-mentioned technical problems, the present invention provides a low-pressure needle-free syringe, comprising:
注射枪，所述注射枪的气源输入端通过软管与气压装置连通；an injection gun, the air source input end of the injection gun is communicated with the air pressure device through a hose;
所述注射枪的注射端接头上可拆卸地安装有注射头。An injection head is detachably mounted on the injection end joint of the injection gun.
可选的，所述低压无针注射器还包括安装在所述气压装置上的调压装置，所述气源输入端通过所述软管与所述调压装置连通。Optionally, the low pressure needleless injector further includes a pressure regulating device installed on the air pressure device, and the air source input end communicates with the pressure regulating device through the hose.
可选的，所述注射枪的注射端包括枪管、针孔支架、孔螺母和针接头螺母；其中，Optionally, the injection end of the injection gun includes a barrel, a needle hole bracket, a hole nut and a needle joint nut; wherein,
所述针孔支架位于所述枪管中，并通过孔螺母固定；所述针接头螺母旋转固定在所述孔螺母上。The needle hole bracket is located in the gun barrel and is fixed by a hole nut; the needle joint nut is rotatably fixed on the hole nut.
可选的，所述枪管侧面设有开孔，用以连接注射筒。Optionally, an opening is provided on the side of the barrel for connecting the syringe.
可选的，所述注射枪还设有剂量调节装置，用以调节注射的剂量。Optionally, the injection gun is further provided with a dose adjustment device to adjust the injected dose.
可选的，所述气压装置包括气瓶和空气压缩机。Optionally, the air pressure device includes a gas cylinder and an air compressor.
在本发明提供的低压无针注射器中，包括注射枪，所述注射枪的气源输入端通过软管与气压装置连通；所述注射枪的注射端接头上可拆卸地安装有注射头。本实用新提供的低压无针注射器以压缩气体为动力，使药剂加速到每秒200-300米的速度，并形成一股极其微小的液体流，迅速穿透皮肤表层，在软组织中扩散，增加吸收面积，提高吸收效果，无针注射避免针头断裂在人体内，且大大减少疼痛。In the low-pressure needle-free injector provided by the present invention, an injection gun is included, and the gas source input end of the injection gun is communicated with a pneumatic device through a hose; an injection head is detachably installed on the injection end joint of the injection gun. The low-pressure needle-free syringe provided by the utility model is powered by compressed gas, which accelerates the medicament to a speed of 200-300 meters per second, and forms an extremely tiny liquid flow, which quickly penetrates the skin surface, diffuses in the soft tissue, increases the Absorption area, improve absorption effect, needle-free injection to avoid needle breakage in the human body, and greatly reduce pain.
附图说明Description of drawings
图1是本发明提供的低压无针注射器结构示意图；Fig. 1 is the low-pressure needle-free syringe structure schematic diagram provided by the present invention;
图2是注射枪的注射端的爆炸结构示意图。Figure 2 is a schematic diagram of the explosion structure of the injection end of the injection gun.
具体实施方式Detailed ways
以下结合附图和具体实施例对本发明提出的一种低压无针注射器作进一步详细说明。根据下面说明和权利要求书，本发明的优点和特征将更清楚。需说明的是，附图均采用非常简化的形式且均使用非精准的比例，仅用以方便、明晰地辅助说明本发明实施例的目的。The low-pressure needle-free syringe proposed by the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become apparent from the following description and claims. It should be noted that, the accompanying drawings are all in a very simplified form and in inaccurate scales, and are only used to facilitate and clearly assist the purpose of explaining the embodiments of the present invention.
实施例一Example 1
本发明提供了一种低压无针注射器，包括注射枪1，所述注射枪1的气源输入端11通过软管2与气压装置3连通；所述注射枪1的注射端12 接头上可拆卸地安装有注射头13。所述气压装置3包括气瓶和空气压缩机。The present invention provides a low-pressure needle-free injector, including an injection gun 1, the gas source input end 11 of the injection gun 1 is communicated with the air pressure device 3 through a hose 2; the injection end 12 of the injection gun 1 is detachable on the joint The injection head 13 is mounted on the ground. The air pressure device 3 includes a gas cylinder and an air compressor.
进一步的，所述低压无针注射器还包括安装在所述气压装置3上的调压装置4，所述气源输入端11通过所述软管2与所述调压装置4连通。所述调压装置4用于调节所述气压装置3的气压。Further, the low-pressure needleless injector further includes a pressure regulating device 4 installed on the air pressure device 3 , and the gas source input end 11 communicates with the pressure regulating device 4 through the hose 2 . The pressure regulating device 4 is used for regulating the air pressure of the air pressure device 3 .
具体的，请参阅图2，为所述注射枪1的注射端12的爆炸结构示意图。所述注射枪1的注射端12包括枪管121、针孔支架122、孔螺母123和针接头螺母124；其中，所述针孔支架122位于所述枪管121中，并通过孔螺母123固定；所述针接头螺母124旋转固定在所述孔螺母123上。具体的，所述枪管121侧面设有开孔，用以连接注射筒。所述注射枪1还设有剂量调节装置14，用以调节注射的剂量。Specifically, please refer to FIG. 2 , which is a schematic diagram of the explosion structure of the injection end 12 of the injection gun 1 . The injection end 12 of the injection gun 1 includes a barrel 121 , a needle hole bracket 122 , a hole nut 123 and a needle joint nut 124 ; wherein the needle hole bracket 122 is located in the gun barrel 121 and is fixed by the hole nut 123 ; The needle joint nut 124 is rotatably fixed on the hole nut 123 . Specifically, the side of the barrel 121 is provided with an opening for connecting a syringe. The injection gun 1 is also provided with a dose adjustment device 14 for adjusting the injected dose.
本实用新提供的低压无针注射器以压缩气体为动力，使药剂加速到每秒200-300米的速度，并形成一股极其微小的液体流，迅速穿透皮肤表层，在软组织中扩散，增加吸收面积，提高吸收效果；并可以通过调压装置控制压力大小，随意改变注射压力，可以精确地将药剂达到目标部位。无针注射避免针头断裂在人体内，且大大减少疼痛。The low-pressure needle-free syringe provided by the utility model is powered by compressed gas, which accelerates the medicament to a speed of 200-300 meters per second, and forms an extremely tiny liquid flow, which quickly penetrates the skin surface, diffuses in the soft tissue, increases the The absorption area can be improved to improve the absorption effect; the pressure can be controlled by the pressure regulating device, and the injection pressure can be changed at will, so that the medicine can be accurately delivered to the target site. Needle-free injection avoids needle breakage in the body and greatly reduces pain.
上述描述仅是对本发明较佳实施例的描述，并非对本发明范围的任何限定，本发明领域的普通技术人员根据上述揭示内容做的任何变更、修饰，均属于权利要求书的保护范围。The above description is only a description of the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention. Any changes and modifications made by those of ordinary skill in the field of the present invention based on the above disclosure all belong to the protection scope of the claims.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910250194.3A CN109999277A (en) | 2019-03-29 | 2019-03-29 | A kind of low pressure needleless injector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910250194.3A CN109999277A (en) | 2019-03-29 | 2019-03-29 | A kind of low pressure needleless injector |
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| CN109999277A true CN109999277A (en) | 2019-07-12 |
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| CN201910250194.3A Pending CN109999277A (en) | 2019-03-29 | 2019-03-29 | A kind of low pressure needleless injector |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111388807A (en) * | 2020-04-07 | 2020-07-10 | 湖南省绿洲惠康发展有限公司 | Pneumatic needleless injector |
| CN112336949A (en) * | 2019-08-08 | 2021-02-09 | 武汉大学 | Pneumatic needleless injection driving air pressure switching device and using method thereof |
| CN114588409A (en) * | 2022-03-02 | 2022-06-07 | 苏州肯美特设备集成有限公司 | Low-pressure needle-free injection device |
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| FR2689018A1 (en) * | 1992-03-25 | 1993-10-01 | Akra | Needleless injector for admin. of medicine etc. e.g. to children - has head with main tubular section containing plate with capillary hole(s) for injecting liquid in fine jet through skin |
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| CN210159035U (en) * | 2019-03-29 | 2020-03-20 | 南京市江宁医院 | Needleless injection system |
-
2019
- 2019-03-29 CN CN201910250194.3A patent/CN109999277A/en active Pending
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| FR2689018A1 (en) * | 1992-03-25 | 1993-10-01 | Akra | Needleless injector for admin. of medicine etc. e.g. to children - has head with main tubular section containing plate with capillary hole(s) for injecting liquid in fine jet through skin |
| CN101024101A (en) * | 2006-02-20 | 2007-08-29 | 佛山特种医用导管有限责任公司 | Remain-type infusion device |
| US20140276651A1 (en) * | 2013-03-13 | 2014-09-18 | Joseph P. Schultz | Medical connector contamination prevention systems |
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| CN106344205A (en) * | 2016-10-31 | 2017-01-25 | 湖北省国融商贸有限公司 | Needle-free high-speed jet flow injection syringe |
| CN109432554A (en) * | 2018-11-19 | 2019-03-08 | 北京快舒尔医疗技术有限公司 | Injection head, injection head assembly and the needleless injector of needleless injector |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112336949A (en) * | 2019-08-08 | 2021-02-09 | 武汉大学 | Pneumatic needleless injection driving air pressure switching device and using method thereof |
| CN111388807A (en) * | 2020-04-07 | 2020-07-10 | 湖南省绿洲惠康发展有限公司 | Pneumatic needleless injector |
| CN114588409A (en) * | 2022-03-02 | 2022-06-07 | 苏州肯美特设备集成有限公司 | Low-pressure needle-free injection device |
| CN114588409B (en) * | 2022-03-02 | 2023-12-08 | 苏州肯美特设备集成股份有限公司 | Low-pressure needleless injection device |
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