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CN105288792A - Injector for anesthesia - Google Patents

Injector for anesthesia
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Publication number
CN105288792A
CN105288792ACN201510624389.1ACN201510624389ACN105288792ACN 105288792 ACN105288792 ACN 105288792ACN 201510624389 ACN201510624389 ACN 201510624389ACN 105288792 ACN105288792 ACN 105288792A
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syringe
injection tube
push rod
fixedly connected
fixed
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CN105288792B (en
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徐自强
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Affiliated Hospital of University of Qingdao
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Chengdu Feisipu Technology Co Ltd
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Abstract

Translated fromChinese

本发明公开了一种麻醉用注射器,包括注射管,所述注射管的顶部固定安装有刻度尺盘,所述注射管的一端固定连接有针头,所述注射管的另一端开设有开口,所述注射管开口的顶部设置有握柄,所述注射管的内部设置有一号活塞,所述注射管的内壁通过一号活塞与第一推杆的右端活动连接,所述第一推杆左端穿过开口并延伸至注射管的外部,所述第一推杆的左端与第一手柄的一侧固定连接,所述第一手柄的另一侧开设有凹槽。该麻醉用注射器,通过设置固定装置,达到了固定注射管的效果,通过在固定装置内设置固定齿和防滑层,通过设置刻度尺盘,达到了控制针头插入深度的效果,通过设置气压室,达到了对注射管排气的效果。

The invention discloses a syringe for anesthesia, which comprises an injection tube, a scale disk is fixedly installed on the top of the injection tube, a needle is fixedly connected to one end of the injection tube, and an opening is opened at the other end of the injection tube. The top of the opening of the injection tube is provided with a handle, the inside of the injection tube is provided with a No. 1 piston, and the inner wall of the injection tube is movably connected with the right end of the first push rod through the No. 1 piston. Through the opening and extending to the outside of the injection tube, the left end of the first push rod is fixedly connected to one side of the first handle, and the other side of the first handle is provided with a groove. The syringe for anesthesia achieves the effect of fixing the injection tube by setting the fixing device, by setting the fixing teeth and the anti-slip layer in the fixing device, and by setting the scale plate, the effect of controlling the insertion depth of the needle is achieved. By setting the air pressure chamber, The effect of degassing the injection tube is achieved.

Description

Translated fromChinese
一种麻醉用注射器a syringe for anesthesia

技术领域technical field

本发明涉及医疗器械技术领域,具体为一种麻醉用注射器。The invention relates to the technical field of medical devices, in particular to a syringe for anesthesia.

背景技术Background technique

注射器通常由前端带有小孔的针筒以及与之匹配的活塞芯杆组成,在芯杆拔出的时候液体或者气体从针筒前端小孔吸入,在芯杆推入时将液体或者气体挤出,现有的注射器都是人工直接手持进行固定,然后直接插入人体进行注射,注射的过程也是靠人为固定,如中国专利公开了“一种麻醉注射器”(申请号:CN202128764U),该专利包括注射筒和设置在注射筒顶端的针头以及用于推动注射液的活塞杆,注射筒由内注射筒和外注射筒组成,内注射筒和外注射筒之间设置有冷却液,活塞杆与内注射筒内壁滑动连接的方式,达到了注射器的运作,上述专利的缺点是:使用时不稳固,非专业人员不能正常使用,排气方面很麻烦,而且即使专业人员使用也难免会出现失误,造成注射器的不稳固,容易产生医疗事故,而且在使用排气时,很容易产生药水的浪费,而且在使用时无法确定和控制针头插入的深度,插入过深时容易使患者感到剧烈的疼痛,过浅时又达不到预期的效果。The syringe usually consists of a syringe with a small hole at the front end and a matching piston core rod. When the core rod is pulled out, the liquid or gas is sucked from the small hole at the front end of the syringe, and the liquid or gas is squeezed out when the core rod is pushed in. It is found out that the existing syringes are manually fixed directly by hand, and then directly inserted into the human body for injection. The syringe, the needle set on the top of the syringe and the piston rod used to push the injection, the syringe is composed of an inner syringe and an outer syringe, a coolant is arranged between the inner syringe and the outer syringe, and the piston rod and the inner The way of sliding connection on the inner wall of the syringe achieves the operation of the syringe. The disadvantages of the above-mentioned patents are: it is not stable when used, non-professionals cannot use it normally, it is very troublesome to exhaust, and even if professionals use it, mistakes will inevitably occur, resulting in The instability of the syringe is prone to medical accidents, and when the exhaust is used, it is easy to waste liquid medicine, and the depth of needle insertion cannot be determined and controlled during use. When the needle is inserted too deep, it is easy to cause severe pain to the patient. When it is shallow, the expected effect cannot be achieved.

发明内容Contents of the invention

针对现有技术存在的上述不足,本发明提出一种麻醉用注射器,包括注射管,所述注射管的顶部固定安装有刻度尺盘,所述注射管的一端固定连接有针头,所述注射管的另一端开设有开口,所述注射管开口的顶部设置有握柄,所述注射管的内部设置有一号活塞,所述注射管的内壁通过一号活塞与第一推杆的右端活动连接,所述第一推杆左端穿过开口并延伸至注射管的外部,所述第一推杆的左端与第一手柄的一侧固定连接,所述第一手柄的另一侧开设有凹槽。该麻醉用注射器,通过设置固定装置,达到了固定注射管的效果,通过在固定装置内设置固定齿和防滑层,通过设置刻度尺盘,达到了控制针头插入深度的效果,通过设置气压室,达到了对注射管排气的效果。Aiming at the above-mentioned deficiencies existing in the prior art, the present invention proposes a syringe for anesthesia, comprising an injection tube, a scale plate is fixedly installed on the top of the injection tube, a needle is fixedly connected to one end of the injection tube, and the injection tube The other end of the injection tube is provided with an opening, the top of the opening of the injection tube is provided with a handle, the inside of the injection tube is provided with a No. 1 piston, and the inner wall of the injection tube is movably connected with the right end of the first push rod through the No. 1 piston. The left end of the first push rod passes through the opening and extends to the outside of the injection tube. The left end of the first push rod is fixedly connected to one side of the first handle, and a groove is formed on the other side of the first handle. The syringe for anesthesia achieves the effect of fixing the injection tube by setting the fixing device, by setting the fixing teeth and the anti-slip layer in the fixing device, and by setting the scale plate, the effect of controlling the insertion depth of the needle is achieved. By setting the air pressure chamber, The effect of degassing the injection tube is achieved.

本发明解决其技术问题,所采用的技术方案是:一种麻醉用注射器,包括注射管,所述注射管的顶部固定安装有刻度尺盘,所述注射管的一端固定连接有针头,所述注射管的另一端开设有开口,所述注射管开口的顶部设置有握柄,所述注射管的内部设置有一号活塞,所述注射管的内壁通过一号活塞与第一推杆的右端活动连接,所述第一推杆左端穿过开口并延伸至注射管的外部,所述第一推杆的左端与第一手柄的一侧固定连接,所述第一手柄的另一侧开设有凹槽,所述第一推杆的内部为中空结构,所述第一推杆的内部设置有二号活塞,所述二号活塞卡接在气压室的内壁上,所述气压室的一端贯穿一号活塞并延伸至注射管的内部,所述第一推杆的内壁通过二号活塞与第二推杆的右端活动连接,所述第二推杆的左端贯穿并延伸至第一手柄的外部,所述第二推杆的左端固定连接有与凹槽相适配的第二手柄,所述第一推杆的顶部和底部均设置有限位块,所述注射管上套接有固定装置。The present invention solves the technical problem, and the adopted technical solution is: a syringe for anesthesia, including a syringe, a scale disc is fixedly mounted on the top of the syringe, and a needle is fixedly connected to one end of the syringe, and The other end of the injection tube is provided with an opening, the top of the opening of the injection tube is provided with a handle, the inside of the injection tube is provided with a No. 1 piston, and the inner wall of the injection tube moves with the right end of the first push rod through the No. 1 piston. connected, the left end of the first push rod passes through the opening and extends to the outside of the injection tube, the left end of the first push rod is fixedly connected to one side of the first handle, and the other side of the first handle is provided with a concave groove, the inside of the first push rod is a hollow structure, the inside of the first push rod is provided with a No. 2 piston, and the No. 2 piston is clamped on the inner wall of the air pressure chamber. No. piston and extends to the inside of the injection tube, the inner wall of the first push rod is movably connected with the right end of the second push rod through the No. 2 piston, and the left end of the second push rod penetrates and extends to the outside of the first handle, The left end of the second push rod is fixedly connected with a second handle matching the groove, the top and the bottom of the first push rod are provided with limiting blocks, and the injection tube is sleeved with a fixing device.

所述固定装置包括固定盒,所述固定盒的顶部设置有拉环,所述拉环的底部固定连接有拉柱,所述拉柱的底部贯穿并延伸至固定盒的内部,所述拉柱的底部固定连接有底板,所述底板的底部设置有固定齿,所述拉柱通过套接在表面的复位弹簧与固定盒内壁的顶部固定连接,所述固定盒内壁的底部固定连接有防滑层,所述固定盒顶部和底部均固定连接有支撑架,所述支撑架的一端固定连接有固定架。The fixing device includes a fixing box, the top of the fixing box is provided with a pull ring, the bottom of the pull ring is fixedly connected with a pull column, and the bottom of the pull column penetrates and extends to the inside of the fixing box, and the pull column The bottom of the bottom plate is fixedly connected with a bottom plate, the bottom of the bottom plate is provided with fixed teeth, the pull column is fixedly connected with the top of the inner wall of the fixed box through the return spring sleeved on the surface, and the bottom of the inner wall of the fixed box is fixedly connected with an anti-skid layer , the top and the bottom of the fixed box are fixedly connected with a support frame, and one end of the support frame is fixedly connected with a fixed frame.

优选的,所述刻度尺盘的表面开设有与固定齿相适配的定位槽。Preferably, the surface of the scale disc is provided with positioning grooves matching the fixed teeth.

优选的,所述握柄的数量为两个,且两个握柄分别安装在注射管的上下两侧。Preferably, there are two handles, and the two handles are installed on the upper and lower sides of the injection tube respectively.

优选的,所述固定架的数量为三个,且三个固定架为等距离排布在支撑架的一端。Preferably, the number of the fixing frames is three, and the three fixing frames are equidistantly arranged at one end of the supporting frame.

优选的,所述针头与注射管的连接处设置有密封橡胶圈。Preferably, a sealing rubber ring is provided at the connection between the needle and the injection tube.

优选的,所述固定盒通过防滑层和固定齿配合固定在注射管上。Preferably, the fixing box is fixed on the injection tube through the cooperation of the anti-skid layer and the fixing teeth.

优选的,所述拉环通过开设在拉柱顶部的通孔与拉柱活动连接。Preferably, the pull ring is movably connected with the pull post through a through hole opened on the top of the pull post.

与现有技术相比,本发明的有益效果是:该麻醉用注射器,通过设置固定装置,达到了注射管的固定效果,使注射管在使用时更加稳固,方便了医生的注射操作,使医生使用更加方便,减少了医疗事故的发生,降低了医疗风险,保护了患者的使用安全,而且使注射器使用更加方便安全,更加容易操作,减少了医生的劳动量,通过在固定装置内设置固定齿和防滑层,达到了注射管更加稳固的效果,减少了注射管的滑脱,保护了注射管的安全,使注射管更加稳固,更加容易固定,减少了医疗事故的发生,使注射管使用更加方便安全,通过设置支撑架和固定架,达到了固定装置更加稳固的效果,使固定装置能很简单的固定在患者的身体上,而且多个固定架同时固定,使固定装置更加稳固,通过设置刻度尺盘,达到了控制针头插入深度的效果,通过刻度尺盘可以控制固定装置的固定位置,使针头插入时,能明确的知道插入的深度,也能很好的控制针头插入的深度,通过设置限位块,使使用更加安全,不会使麻醉药注射超过最大限度,保证了患者的生命安全,减少了医疗事故的产生,通过设置气压室,达到了对注射管排气的效果,通过使用第二手柄和第二推杆,使气压室向注射管方向运动,达到了排出注射管内部气体的效果,降低了医生的工作量,减少了注射之前的精细操作,使精细操作更加系统化,使注射管使用更加方便,操作更加简单,减少了医生失误时对药水的浪费,保证了麻醉的效果,通过设置第一推杆和一号活塞,达到了注射药水的效果,使药水注射更加方便快速。Compared with the prior art, the beneficial effect of the present invention is: the syringe for anesthesia achieves the fixing effect of the injection tube by setting the fixing device, makes the injection tube more stable when in use, facilitates the injection operation of the doctor, and makes the doctor It is more convenient to use, reduces the occurrence of medical accidents, reduces medical risks, protects the safety of patients, and makes the syringe more convenient and safe to use, easier to operate, and reduces the workload of doctors. And the anti-slip layer achieves a more stable effect of the injection tube, reduces the slippage of the injection tube, protects the safety of the injection tube, makes the injection tube more stable and easier to fix, reduces the occurrence of medical accidents, and makes the injection tube more convenient to use Safety, by setting the support frame and the fixing frame, the fixing device is more stable, so that the fixing device can be easily fixed on the patient's body, and multiple fixing frames are fixed at the same time, making the fixing device more stable. By setting the scale The scale plate achieves the effect of controlling the insertion depth of the needle. The fixed position of the fixing device can be controlled through the scale plate, so that when the needle is inserted, the insertion depth can be clearly known and the depth of the needle insertion can be well controlled. By setting The limit block makes the use safer and will not cause the anesthetic injection to exceed the maximum limit, ensuring the safety of the patient and reducing the occurrence of medical accidents. By setting the air pressure chamber, the effect of exhausting the injection tube is achieved. By using The second handle and the second push rod make the air pressure chamber move towards the injection tube, achieving the effect of discharging the gas inside the injection tube, reducing the doctor's workload, reducing the fine operation before injection, and making the fine operation more systematic. It makes the injection tube more convenient to use and easier to operate, reduces the waste of liquid medicine when the doctor makes mistakes, and ensures the effect of anesthesia. By setting the first push rod and the first piston, the effect of injecting liquid medicine is achieved, making the liquid medicine injection more convenient fast.

附图说明Description of drawings

图1为本发明结构示意图;Fig. 1 is a structural representation of the present invention;

图2为本发明固定盒结构示意图。Fig. 2 is a schematic diagram of the structure of the fixing box of the present invention.

图中:1注射管、2刻度尺盘、3针头、4握柄、5一号活塞、6第一推杆、7第一手柄、8凹槽、9二号活塞、10气压室、11第二推杆、12第二手柄、13限位块、14固定装置、141固定盒、142拉环、143拉柱、144底板、145固定齿、146复位弹簧、147防滑层、148支撑架、149固定架。In the figure: 1 injection tube, 2 scale disk, 3 needle head, 4 handle, 5 No. 1 piston, 6 No. 1 push rod, 7 No. 1 handle, 8 groove, 9 No. 2 piston, 10 Air pressure chamber, 11 No. Two push rods, 12 second handle, 13 limit block, 14 fixing device, 141 fixing box, 142 pull ring, 143 pull column, 144 bottom plate, 145 fixed tooth, 146 return spring, 147 anti-skid layer, 148 support frame, 149 fixed frame.

具体实施方式detailed description

下面结合说明书附图和实施例,对本发明的具体实施例做进一步详细描述:Below in conjunction with accompanying drawing and embodiment of description, specific embodiment of the present invention is described in further detail:

请参阅图1-2,本发明提供一种技术方案:一种麻醉用注射器,包括注射管1,注射管1的顶部固定安装有刻度尺盘2,通过设置刻度尺盘2,达到了控制针头3插入深度的效果,通过刻度尺盘2可以控制固定装置14的固定位置,使针头3插入时,能明确的知道插入的深度,也能很好的控制针头3插入的深度,刻度尺盘2的表面开设有与固定齿145相适配的定位槽,注射管1的一端固定连接有针头3,针头3与注射管1的连接处设置有密封橡胶圈,注射管1的另一端开设有开口,注射管1开口的顶部设置有握柄4,握柄4的数量为两个,且两个握柄4分别安装在注射管1的上下两侧,注射管1的内部设置有一号活塞5,注射管1的内壁通过一号活塞5与第一推杆6的右端活动连接,一号活塞5卡接在注射管1的内壁上,通过设置第一推杆6和一号活塞5,达到了注射药水的效果,使药水注射更加方便快速,第一推杆6左端穿过注射管1的开口并延伸至注射管1的外部,第一推杆6的左端与第一手柄7的一侧固定连接,第一手柄7的另一侧开设有凹槽8,第一推杆6的内部为中空结构,第一推杆6的内部设置有二号活塞9,二号活塞9卡接在气压室10的内壁上,通过设置气压室10,达到了对注射管1排气的效果,通过使用第二手柄12和第二推杆11,使气压室10向注射管1方向运动,达到了排出注射管1内部气体的效果,降低了医生的工作量,减少了注射之前的精细操作,使精细操作更加系统化,使注射管1使用更加方便,操作更加简单,减少了医生失误时对药水的浪费,保证了麻醉的效果,气压室10的一端贯穿一号活塞5并延伸至注射管1的内部,第一推杆6的内壁通过二号活塞9与第二推杆11的右端活动连接,第二推杆11的左端贯穿并延伸出第一手柄7的外部,第二推杆11的左端固定连接有与凹槽8相适配的第二手柄12,在第一推杆6上设置有限位块13,通过设置限位块13,使使用更加安全,不会使麻醉药注射超过最大限度,保证了患者的生命安全,减少了医疗事故的产生,注射管1上套接有固定装置14,通过设置固定装置14,达到了对注射管1的固定效果,使注射管1在使用时更加稳固,方便了医生的注射操作,使医生使用更加方便,减少了医疗事故的发生,降低了医疗风险,保护了患者的使用安全,而且使注射器使用更加方便安全,更加容易操作,减少了医生的劳动量;Please refer to Figures 1-2, the present invention provides a technical solution: a syringe for anesthesia, including an injection tube 1, a scale plate 2 is fixedly installed on the top of the injection tube 1, and by setting the scale plate 2, the needle head can be controlled 3 The effect of insertion depth, the fixed position of the fixing device 14 can be controlled by the scale plate 2, so that when the needle head 3 is inserted, the insertion depth can be clearly known, and the insertion depth of the needle head 3 can also be well controlled. The scale plate 2 There is a positioning groove matching the fixed teeth 145 on the surface of the surface, and the needle 3 is fixedly connected to one end of the injection tube 1. A sealing rubber ring is provided at the connection between the needle 3 and the injection tube 1, and an opening is opened at the other end of the injection tube 1. , the top of the opening of the injection tube 1 is provided with a handle 4, the number of the handles 4 is two, and the two handles 4 are respectively installed on the upper and lower sides of the injection tube 1, and the inside of the injection tube 1 is provided with a No. 1 piston 5, The inner wall of the injection tube 1 is movably connected with the right end of the first push rod 6 through the No. 1 piston 5, and the No. 1 piston 5 is clamped on the inner wall of the injection tube 1. By setting the No. 1 push rod 6 and the No. 1 piston 5, the The effect of injecting liquid medicine makes the liquid medicine injection more convenient and fast. The left end of the first push rod 6 passes through the opening of the injection tube 1 and extends to the outside of the injection tube 1. The left end of the first push rod 6 is fixed to one side of the first handle 7 connection, the other side of the first handle 7 is provided with a groove 8, the inside of the first push rod 6 is a hollow structure, the inside of the first push rod 6 is provided with a No. 2 piston 9, and the No. 2 piston 9 is clamped in the air pressure chamber On the inner wall of 10, by setting the air pressure chamber 10, the effect of exhausting the injection tube 1 is achieved, and by using the second handle 12 and the second push rod 11, the air pressure chamber 10 is moved toward the injection tube 1 to achieve the discharge of the injection tube. The effect of the gas inside the tube 1 reduces the workload of the doctor, reduces the fine operation before the injection, makes the fine operation more systematic, makes the injection tube 1 more convenient to use, and the operation is simpler, reducing the waste of liquid medicine when the doctor makes mistakes , to ensure the effect of anesthesia, one end of the air pressure chamber 10 runs through the No. 1 piston 5 and extends to the inside of the injection tube 1, and the inner wall of the first push rod 6 is movably connected with the right end of the second push rod 11 through the No. 2 piston 9. The left end of the second push rod 11 penetrates and extends out of the first handle 7, and the left end of the second push rod 11 is fixedly connected with the second handle 12 that is compatible with the groove 8, and the first push rod 6 is provided with a limit Block 13, by setting the limit block 13, the use is safer, and the injection of anesthesia will not exceed the maximum limit, ensuring the safety of the patient's life and reducing the occurrence of medical accidents. The injection tube 1 is sleeved with a fixing device 14, By setting the fixing device 14, the fixing effect on the injection tube 1 is achieved, which makes the injection tube 1 more stable during use, facilitates the doctor's injection operation, makes the doctor's use more convenient, reduces the occurrence of medical accidents, and reduces the medical risk , which protects the safety of patients, and makes the use of syringes more convenient and safe, easier to operate, and reduces the workload of doctors;

固定装置14包括固定盒141,固定盒141的顶部设置有拉环142,拉环142的底部固定连接有拉柱143,拉环142通过开设在拉柱143顶部的通孔与拉柱143活动连接,拉柱143的底部贯穿并延伸至固定盒141的内部,拉柱143的底部固定连接有底板144,底板144的底部设置有固定齿145,拉柱143通过套接在表面的复位弹簧146与固定盒141内壁的顶部固定连接,固定盒141内壁的底部固定连接有防滑层147,固定盒141通过防滑层147和固定齿145配合固定在注射管1上,通过在固定装置14内设置固定齿145和防滑层147,达到了使注射管1更加稳固的效果,减少了注射管1的滑脱,保护了注射管1的安全,使注射管1更加稳固,更加容易固定,减少了医疗事故的发生,使注射管1使用更加方便安全,固定盒141顶部和底部均固定连接有支撑架148,支撑架148的一端固定连接有固定架149,固定架149的数量为三个,且三个固定架149为等距离排布在支撑架148的一端,通过设置支撑架148和固定架149,达到了固定装置14更加稳固的效果,使固定装置14能很简单的固定在患者的身体上,而且多个固定架149同时固定,使固定装置14更加稳固。The fixing device 14 includes a fixing box 141, the top of the fixing box 141 is provided with a pull ring 142, and the bottom of the pull ring 142 is fixedly connected with a pull column 143, and the pull ring 142 is flexibly connected with the pull column 143 through a through hole at the top of the pull column 143 , the bottom of the pull column 143 runs through and extends to the inside of the fixed box 141, the bottom of the pull column 143 is fixedly connected with a bottom plate 144, and the bottom of the bottom plate 144 is provided with fixed teeth 145, and the pull column 143 is connected to the return spring 146 sleeved on the surface. The top of the inner wall of the fixed box 141 is fixedly connected, and the bottom of the inner wall of the fixed box 141 is fixedly connected with an anti-slip layer 147. The fixed box 141 is fixed on the injection tube 1 through the anti-slip layer 147 and the fixed teeth 145. 145 and the anti-slip layer 147 achieve the effect of making the injection tube 1 more stable, reduce the slippage of the injection tube 1, protect the safety of the injection tube 1, make the injection tube 1 more stable, and be easier to fix, reducing the occurrence of medical accidents , so that the injection tube 1 is more convenient and safe to use. The top and bottom of the fixed box 141 are fixedly connected with a support frame 148, and one end of the support frame 148 is fixedly connected with a fixed frame 149. The number of the fixed frames 149 is three, and the three fixed frames 149 is equidistantly arranged at one end of the support frame 148. By setting the support frame 148 and the fixed frame 149, the more stable effect of the fixing device 14 is achieved, so that the fixing device 14 can be easily fixed on the patient's body, and more The two fixing frames 149 are fixed simultaneously, so that the fixing device 14 is more stable.

工作原理:当使用麻醉用注射器时,通过针头3将药水吸入注射管1内,确定需要插入针头3的深度,拉动拉环142和拉柱143,使固定齿145与刻度齿盘2上的定位槽分离,然后将固定装置14套接在注射管1上,并松开拉环142,将固定齿145与定位槽卡接在一起,将固定装置14固定在注射管1上,观看刻度尺盘2,使用拉环142,将固定装置14在刻度尺盘2上的距离调整好,针头露出的长度与插入的深度均与刻度齿盘上的距离相等,确定达到要求后,将第二手柄12推入,第二推杆11将气压室10向注射管1内推入,气压室10将注射管1内的气体挤压排出,准备完毕后,将针头3插入患者患处,针头3插入时,固定架149会将注射管1固定在患者的身体上,防止注射管1晃动,推动第一推杆6将药水打入患者体内,从而完成整个工作。Working principle: when using a syringe for anesthesia, suck the medicine into the injection tube 1 through the needle 3, determine the depth to be inserted into the needle 3, pull the pull ring 142 and the pull column 143, and make the positioning of the fixed tooth 145 and the scale tooth plate 2 The groove is separated, and then the fixing device 14 is sleeved on the injection tube 1, and the pull ring 142 is released, the fixing tooth 145 is snapped together with the positioning groove, and the fixing device 14 is fixed on the injection tube 1, and the scale plate is viewed 2. Use the pull ring 142 to adjust the distance of the fixing device 14 on the scale disc 2. The exposed length and insertion depth of the needle are equal to the distance on the scale disc. After confirming that the requirements are met, place the second handle 12 Push in, the second push rod 11 pushes the air pressure chamber 10 into the injection tube 1, and the air pressure chamber 10 squeezes out the gas in the injection tube 1. After the preparation is completed, insert the needle 3 into the affected part of the patient. When the needle 3 is inserted, The fixing frame 149 will fix the injection tube 1 on the patient's body, prevent the injection tube 1 from shaking, and push the first push rod 6 to inject the liquid medicine into the patient's body, thereby completing the whole work.

尽管已经示出和描述了本发明的实施例,对于本领域的普通技术人员而言,可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型,本发明的范围由所附权利要求及其等同物限定。Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (6)

1. an injection syringe for anaesthesia, comprise syringe (1), one end of described syringe (1) is fixedly connected with syringe needle (3), the other end of described syringe (1) offers opening, it is characterized in that: be installed with rule dish (2) in the needle end of syringe (1), the opening of syringe (1) is provided with lever (4), the inside of described syringe (1) is provided with a piston (5), the inwall of described syringe (1) is flexibly connected with one end of the first push rod (6) by a piston (5), described first push rod (6) other end through syringe (1) opening and extend to the outside of syringe (1), and be fixedly connected with the side of first handle (7), the opposite side of described first handle (7) offers groove (8), the inside of described first push rod (6) is hollow structure, the inside of described first push rod (6) is provided with No. two pistons (9), the end of No. two pistons (9) is provided with air-pressure chamber (10), described No. two pistons (9) are connected on the inwall of air-pressure chamber (10), one end of described air-pressure chamber (10) is run through a piston (5) and is extended to the inside of syringe (1), the inwall of described first push rod (6) is flexibly connected with the right-hand member of the second push rod (11) by No. two pistons (9), the left end of described second push rod (11) runs through and extends to the outside of first handle (7), the left end of described second push rod (11) is fixedly connected with the second handle (12) suitable with groove (8), top and the bottom of described first push rod (6) are provided with limited block (13), described syringe (1) is socketed with fixture (14), described fixture (14) comprises fixed bin (141), the top of described fixed bin (141) is provided with draw ring (142), the bottom of described draw ring (142) is fixedly connected with stay column (143), the bottom of described stay column (143) is run through and is extended to the inside of fixed bin (141), the bottom of described stay column (143) is fixedly connected with base plate (144), the bottom of described base plate (144) is provided with fixed teeth (145), described stay column (143) is fixedly connected with the top of fixed bin (141) inwall by the back-moving spring (146) being socketed in surface, the bottom of described fixed bin (141) inwall is fixedly connected with skid resistant course (147), described fixed bin (141) top and bottom are all fixedly connected with bracing frame (148), one end of support frame as described above (148) is fixedly connected with fixed mount (149).
CN201510624389.1A2015-09-282015-09-28A kind of injection syringe for anaesthesiaExpired - Fee RelatedCN105288792B (en)

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