CN110538363A - A Diluted Instant Injection Rescue Syringe - Google Patents
A Diluted Instant Injection Rescue Syringe Download PDFInfo
- Publication number
- CN110538363A CN110538363A CN201910925801.1A CN201910925801A CN110538363A CN 110538363 A CN110538363 A CN 110538363A CN 201910925801 A CN201910925801 A CN 201910925801A CN 110538363 A CN110538363 A CN 110538363A
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- Prior art keywords
- needle tube
- groove
- positioning
- barrier
- piston
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- 239000007924 injection Substances 0.000 title claims description 14
- 238000002347 injection Methods 0.000 title claims description 14
- 230000004888 barrier function Effects 0.000 claims abstract description 76
- 239000007788 liquid Substances 0.000 claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 125000006850 spacer group Chemical group 0.000 claims description 17
- 239000003814 drug Substances 0.000 claims description 14
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical group [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 10
- UCTWMZQNUQWSLP-VIFPVBQESA-N (R)-adrenaline Chemical compound CNC[C@H](O)C1=CC=C(O)C(O)=C1 UCTWMZQNUQWSLP-VIFPVBQESA-N 0.000 claims description 6
- 229930182837 (R)-adrenaline Natural products 0.000 claims description 6
- 229960005139 epinephrine Drugs 0.000 claims description 6
- 229930003347 Atropine Natural products 0.000 claims description 5
- RKUNBYITZUJHSG-UHFFFAOYSA-N Hyosciamin-hydrochlorid Natural products CN1C(C2)CCC1CC2OC(=O)C(CO)C1=CC=CC=C1 RKUNBYITZUJHSG-UHFFFAOYSA-N 0.000 claims description 5
- WXFIGDLSSYIKKV-RCOVLWMOSA-N L-Metaraminol Chemical compound C[C@H](N)[C@H](O)C1=CC=CC(O)=C1 WXFIGDLSSYIKKV-RCOVLWMOSA-N 0.000 claims description 5
- 229960000396 atropine Drugs 0.000 claims description 5
- RKUNBYITZUJHSG-SPUOUPEWSA-N atropine Chemical compound O([C@H]1C[C@H]2CC[C@@H](C1)N2C)C(=O)C(CO)C1=CC=CC=C1 RKUNBYITZUJHSG-SPUOUPEWSA-N 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 5
- 229960003663 metaraminol Drugs 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 244000178870 Lavandula angustifolia Species 0.000 claims description 3
- 235000010663 Lavandula angustifolia Nutrition 0.000 claims description 3
- 239000001102 lavandula vera Substances 0.000 claims description 3
- 235000018219 lavender Nutrition 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 8
- 229940079593 drug Drugs 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000003566 sealing material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 208000028399 Critical Illness Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002504 physiological saline solution 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
-
- 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
- A61M5/3129—Syringe barrels
-
- 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
- A61M5/31596—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms comprising means for injection of two or more media, e.g. by mixing
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
本发明公开一种稀释后即注型抢救注射器，包括针管、活塞；针管中部设置阻隔片，阻隔片与针管同轴设置，阻隔片边沿密封连接针管内壁，阻隔片径向两端转动连接针管内壁，针管外壁设置驱动翼，驱动翼根部贯穿针管侧壁，驱动翼根部传动连接阻隔片，驱动翼位于阻隔片转动轴一端，针管尾部设置有密封柱，密封柱两端固连针管内壁，密封柱与阻隔片的转动轴位于同一平面内；活塞设置有通槽，通槽宽度方向与活塞径向重合，通槽在活塞径向贯穿活塞，通槽从活塞头端延伸至尾部，通槽滑动连接密封柱，通槽密封连接密封柱，通槽厚度≥阻隔片厚度。本发明可以装配固定比例的急救药液，使用耗时短。
The invention discloses a dilute ready-to-inject rescue syringe, which comprises a needle tube and a piston; a barrier plate is arranged in the middle of the needle tube, and the barrier plate is coaxially arranged with the needle tube; the edge of the barrier plate is sealed and connected to the inner wall of the needle tube; , the outer wall of the needle tube is provided with a driving wing, the root of the driving wing runs through the side wall of the needle tube, and the root of the driving wing is connected to the barrier plate by transmission. It is located in the same plane as the rotation axis of the barrier plate; the piston is provided with a through groove, the width direction of the through groove coincides with the radial direction of the piston, the through groove penetrates the piston in the radial direction of the piston, the through groove extends from the head end of the piston to the tail, and the through groove is slidingly connected The sealing column, the through groove is sealed and connected to the sealing column, and the thickness of the through groove is equal to or greater than the thickness of the barrier sheet. The invention can assemble a fixed proportion of first aid liquid, and the use time is short.
Description
技术领域technical field
本发明涉及注射器领域，尤其涉及一种稀释后即注型抢救注射器。The invention relates to the field of syringes, in particular to a dilute instant-injection rescue syringe.
背景技术Background technique
在对病危患者急救时，往往需要对患者注射肾上腺素等药剂，而此类药剂通常需要混合搭配其他药剂。When giving first aid to critically ill patients, it is often necessary to inject epinephrine and other drugs into the patient, and such drugs usually need to be mixed and matched with other drugs.
目前，使用混合药剂时，虽然注射中急救药液的用量较为固定，但是常用方法为使用注射器分别、先后吸取药剂后摇匀，为患者进行注射，而急救中，往往时间较为紧迫，一分一秒都极为珍贵的。At present, when using mixed medicaments, although the amount of first-aid liquid in injection is relatively fixed, the common method is to use a syringe to draw the medicaments separately and one after another, shake them well, and inject them for the patient. Seconds are extremely precious.
发明内容Contents of the invention
本发明旨在提供一种稀释后即注型抢救注射器，可以装配固定比例的急救药液，使用耗时短。The present invention aims to provide a dilute instant-injection rescue syringe, which can be equipped with a fixed ratio of first-aid liquid and takes a short time to use.
为达到上述目的，本发明是采用以下技术方案实现的：In order to achieve the above object, the present invention is achieved by adopting the following technical solutions:
本发明公开一种稀释后即注型抢救注射器，包括针管、活塞；针管中部设置阻隔片，阻隔片与针管同轴设置，阻隔片边沿密封连接针管内壁，阻隔片径向两端转动连接针管内壁，针管外壁设置驱动翼，驱动翼根部贯穿针管侧壁，驱动翼根部传动连接阻隔片，驱动翼位于阻隔片转动轴一端，针管尾部设置有密封柱，密封柱两端固连针管内壁，密封柱与阻隔片的转动轴位于同一平面内；活塞设置有通槽，通槽宽度方向与活塞径向重合，通槽在活塞径向贯穿活塞，通槽从活塞头端延伸至尾部，通槽滑动连接密封柱，通槽密封连接密封柱，通槽厚度≥阻隔片厚度。The invention discloses a dilute ready-to-inject rescue syringe, which comprises a needle tube and a piston; a barrier plate is arranged in the middle of the needle tube, and the barrier plate is coaxially arranged with the needle tube; the edge of the barrier plate is sealed and connected to the inner wall of the needle tube; , the outer wall of the needle tube is provided with a driving wing, the root of the driving wing runs through the side wall of the needle tube, and the root of the driving wing is connected to the barrier plate by transmission. Located in the same plane as the rotation axis of the barrier plate; the piston is provided with a through groove, the width direction of the through groove coincides with the radial direction of the piston, the through groove penetrates the piston in the radial direction of the piston, the through groove extends from the head end of the piston to the tail, and the through groove is slidingly connected The sealing column, the through groove is sealed and connected to the sealing column, and the thickness of the through groove is equal to or greater than the thickness of the barrier sheet.
优选的，阻隔片固定连接驱动翼尾端，通槽长度＞针管头部到阻隔片的距离。Preferably, the blocking sheet is fixedly connected to the tail end of the driving wing, and the length of the channel is greater than the distance from the head of the needle tube to the blocking sheet.
优选的，阻隔片转动轴一端设置定位舌，定位舌平行于阻隔片，驱动翼尾端设置卡合槽，卡合槽适配定位舌，定位舌厚度＜阻隔片。Preferably, a positioning tongue is provided at one end of the rotating shaft of the barrier plate, and the positioning tongue is parallel to the barrier plate, and an engaging groove is provided at the tail end of the driving wing, and the engaging groove is suitable for the positioning tongue, and the thickness of the positioning tongue is less than that of the barrier plate.
优选的，阻隔片另转动轴另一端设置连接轴，针管内壁设置有适配连接轴滑动的滑槽。Preferably, the other end of the rotating shaft of the blocking plate is provided with a connecting shaft, and the inner wall of the needle tube is provided with a chute adapted to slide the connecting shaft.
优选的，通槽长度≥阻隔片直径。Preferably, the length of the channel ≥ the diameter of the barrier sheet.
优选的，连接轴与阻隔片薄弱连接。Preferably, the connecting shaft is weakly connected to the barrier sheet.
优选的，驱动翼包括连接部、手持翼，连接部贯穿针管外壁，连接部底端连接阻隔片，连接部顶端铰接手持翼，手持翼为适配针管外壁的弧形。Preferably, the driving wing includes a connecting part and a hand-held wing, the connecting part runs through the outer wall of the needle tube, the bottom end of the connecting part is connected to the barrier sheet, the top end of the connecting part is hinged to the hand-holding wing, and the hand-holding wing is arc-shaped to fit the outer wall of the needle tube.
优选的，连接部为轴状，连接部底端与注射器内壁齐平。Preferably, the connecting part is in the shape of a shaft, and the bottom end of the connecting part is flush with the inner wall of the syringe.
优选的，还包括垫块，垫块为条形，垫块为硬质材料，垫块厚度≤通槽厚度；Preferably, it also includes a spacer, the spacer is strip-shaped, the spacer is made of hard material, and the thickness of the spacer is less than or equal to the thickness of the through groove;
当活塞处于初始状态时，垫块安装在通槽内，垫块两端分别贴合密封柱和通槽尾端。When the piston is in the initial state, the spacer is installed in the through groove, and the two ends of the spacer are attached to the sealing column and the end of the through groove respectively.
优选的，针管内壁设置定位凸楞，定位凸楞为开口朝向针头方向的开口环形，驱动翼根部与定位凸楞同轴设置，驱动翼根部转动连接定位凸楞，驱动翼根部沿径向设置定位槽，定位槽穿过驱动翼根部中心，定位槽一端贯穿驱动翼根部侧壁，定位槽宽度≤定位凸楞的开口；阻隔片顶部设置有适配定位槽的定位片，定位片平行于阻隔片。Preferably, the inner wall of the needle tube is provided with a positioning embossment, the positioning embossment is an open ring with the opening facing the direction of the needle head, the drive wing root is coaxially arranged with the positioning embossment, the drive wing root is rotationally connected with the positioning embossment, and the drive wing root is arranged radially for positioning Groove, the positioning groove passes through the center of the root of the driving wing, one end of the positioning groove runs through the side wall of the root of the driving wing, the width of the positioning groove is ≤ the opening of the positioning rib; the top of the barrier plate is provided with a positioning plate that fits the positioning groove, and the positioning plate is parallel to the barrier plate .
优选的，阻隔片边沿为柔性密封材料。Preferably, the edge of the barrier sheet is made of flexible sealing material.
优选的，针管内被阻隔片分隔成的两个腔室分别盛装有药液A和药液B，药液A与药液B的体积比为1:9，药液B为生理盐水，药液A至少为肾上腺素、间羟胺、阿托品中的任一。Preferably, the two chambers separated by the barrier in the needle tube are respectively filled with medicinal liquid A and medicinal liquid B, the volume ratio of medicinal liquid A to medicinal liquid B is 1:9, medicinal liquid B is physiological saline, and medicinal liquid A is at least any one of epinephrine, metaraminol, and atropine.
优选的，针管表面设置有颜色标记。Preferably, the surface of the needle tube is provided with color markings.
优选的，针管内药液类型至少为下列之一：Preferably, the type of liquid medicine in the needle tube is at least one of the following:
a、颜色标记为淡紫色，针管容积为10mL，其中0.1mg/mL或0.01mg/mL肾上腺素1mL，0.9％的生理盐水9mL；a. The color mark is lavender, and the volume of the needle tube is 10 mL, including 1 mL of 0.1 mg/mL or 0.01 mg/mL epinephrine, and 9 mL of 0.9% normal saline;
b、颜色标记为深紫色，针管容积为10mL，其中0.1mg/L的间羟胺1mL，0.9％的生理盐水9mL；b. The color mark is dark purple, and the volume of the needle tube is 10 mL, including 1 mL of 0.1 mg/L metaraminol and 9 mL of 0.9% normal saline;
c、颜色标记为绿色，针管容积为10mL，其中0.1mg/mL的阿托品2mL，0.9％的生理盐水8mL。c. The color mark is green, and the volume of the needle tube is 10 mL, including 2 mL of 0.1 mg/mL atropine and 8 mL of 0.9% normal saline.
本发明的有益效果：Beneficial effects of the present invention:
1、本发明结构简单，成本低廉。1. The present invention has simple structure and low cost.
2、本发明能够预先装配好需要混合的药液，确定药液用量，使用时简单迅速，好费时间短。2. The present invention can pre-assemble the medicinal liquid that needs to be mixed, and determine the dosage of the medicinal liquid. It is simple and quick to use, and it takes less time.
3、本发明能够对需要混合的药液进行分离，保质时间长。3. The present invention can separate the liquid medicine that needs to be mixed, and has a long shelf life.
4、本发明采用至少三种抢救过程中的常见配比药剂，可以减少抢救过程中的配药时间，提高抢救时的工作效率。4. The present invention adopts at least three common proportioning medicines in the rescue process, which can reduce the dispensing time in the rescue process and improve the work efficiency during rescue.
附图说明Description of drawings
图1为本发明的状态示意图；Fig. 1 is the state diagram of the present invention;
图2为针管的剖视图；Figure 2 is a sectional view of the needle tube;
图3为活塞的示意图；Fig. 3 is the schematic diagram of piston;
图4为驱动翼的示意图；Fig. 4 is the schematic diagram of drive wing;
图5为连接部的示意图；Fig. 5 is the schematic diagram of connecting part;
图6为实施例一中阻隔片的示意图；Fig. 6 is the schematic diagram of barrier sheet in embodiment one;
图7位实施例二中阻隔片的示意图；The schematic diagram of barrier sheet in Fig. 7 bit embodiment two;
图8为实施例三中阻隔片的示意图；Fig. 8 is the schematic diagram of barrier sheet in embodiment three;
图9为实施例三中阻隔片可拆卸结构的示意图。Fig. 9 is a schematic diagram of the detachable structure of the barrier sheet in the third embodiment.
图中：1-针管、2-驱动翼、3-阻隔片、4-活塞、5-垫块、6-通槽、7-定位舌、8-卡合槽、9-连接轴、10-连接部、11-手持翼、12-密封柱、13-定位凸楞、14-驱动翼根部、15-定位片。In the figure: 1-needle tube, 2-drive wing, 3-blocker, 4-piston, 5-pad, 6-through slot, 7-positioning tongue, 8-engagement slot, 9-connecting shaft, 10-connection Department, 11-hand-held wing, 12-seal column, 13-positioning embossment, 14-drive wing root, 15-positioning piece.
具体实施方式Detailed ways
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图，对本发明进行进一步详细说明。In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.
如图1、2、3、6所示，实施例一包括针管1、活塞4；针管1中部设置阻隔片3，阻隔片3与针管1同轴设置，阻隔片3边沿密封连接针管1内壁，阻隔片3径向两端转动连接针管1内壁，针管1外壁设置驱动翼2，驱动翼2根部贯穿针管1侧壁，驱动翼2根部传动连接阻隔片3，驱动翼2位于阻隔片3转动轴一端；活塞4设置有通槽6，通槽6宽度方向与活塞4径向重合，通槽6在活塞4径向贯穿活塞4，通槽6从活塞4头端延伸至尾部，通槽6厚度≥阻隔片3厚度，阻隔片3固定连接驱动翼2尾端，通槽6长度＞针管1头部到阻隔片3的距离。As shown in Figures 1, 2, 3, and 6, Embodiment 1 includes a needle tube 1 and a piston 4; a barrier sheet 3 is arranged in the middle of the needle tube 1, and the barrier sheet 3 is coaxially arranged with the needle tube 1, and the edge of the barrier sheet 3 is sealed and connected to the inner wall of the needle tube 1, The radial ends of the barrier piece 3 are rotatably connected to the inner wall of the needle tube 1, the outer wall of the needle tube 1 is provided with a drive wing 2, the root of the drive wing 2 runs through the side wall of the needle tube 1, the root of the drive wing 2 is connected to the barrier plate 3 by transmission, and the drive wing 2 is located on the rotation axis of the barrier plate 3 One end; the piston 4 is provided with a through groove 6, the width direction of the through groove 6 coincides with the radial direction of the piston 4, the through groove 6 penetrates the piston 4 in the radial direction of the piston 4, the through groove 6 extends from the head end of the piston 4 to the tail, and the thickness of the through groove 6 ≥The thickness of the barrier sheet 3, the barrier sheet 3 is fixedly connected to the tail end of the driving wing 2, the length of the through slot 6>the distance from the head of the needle tube 1 to the barrier sheet 3.
而对于实施例一来说，以上技术需要保证通槽6始终处于针管1内，可以在针管1尾部设置密封柱12，密封柱12两端固连针管1内壁，密封柱12与阻隔片3的转动轴位于同一平面内，通槽6滑动连接密封柱12，通槽6密封连接密封柱12，就可以保证药液的不会泄露出来。For Embodiment 1, the above technology needs to ensure that the through groove 6 is always in the needle tube 1, and a sealing column 12 can be arranged at the tail of the needle tube 1. The rotating shaft is located in the same plane, the through groove 6 is slidably connected to the sealing column 12, and the through groove 6 is sealingly connected to the sealing column 12, so as to ensure that the liquid medicine will not leak out.
为了方便初始状态的定位功能，还包括垫块5，垫块5为条形，垫块5为硬质材料，垫块5厚度≤通槽6厚度；当活塞4处于初始状态时，垫块5安装在通槽6内，垫块5两端分别贴合密封柱12和通槽6尾端。In order to facilitate the positioning function of the initial state, it also includes a spacer 5, the spacer 5 is strip-shaped, the spacer 5 is a hard material, and the thickness of the spacer 5≤thickness of the through groove 6; when the piston 4 is in the initial state, the spacer 5 Installed in the through groove 6, the two ends of the cushion block 5 are attached to the sealing column 12 and the tail end of the through groove 6 respectively.
如图7所示，实施例二与实施例一的区别在于,阻隔片3转动轴一端设置定位舌7，定位舌7平行于阻隔片3，驱动翼2尾端设置卡合槽8，卡合槽8适配定位舌7，定位舌7厚度＜阻隔片3，阻隔片3另转动轴另一端设置连接轴9，针管1内壁设置有适配连接轴9滑动的滑槽，通槽6长度≥阻隔片3直径，连接轴9与阻隔片3薄弱连接，而当通槽6尾部接触阻隔片3时，阻隔片3脱离原位，被活塞4推向针管1头部。As shown in Figure 7, the difference between Embodiment 2 and Embodiment 1 is that a positioning tongue 7 is provided at one end of the rotating shaft of the barrier sheet 3, and the positioning tongue 7 is parallel to the barrier sheet 3, and an engaging groove 8 is provided at the tail end of the driving wing 2 to engage The groove 8 is adapted to the positioning tongue 7, the thickness of the positioning tongue 7 is less than the barrier plate 3, the other end of the barrier plate 3 is provided with a connecting shaft 9, the inner wall of the needle tube 1 is provided with a chute adapted to slide the connecting shaft 9, and the length of the through groove 6 is ≥ Diameter of the barrier piece 3, the connecting shaft 9 is weakly connected with the barrier piece 3, and when the tail of the through groove 6 touches the barrier piece 3, the barrier piece 3 breaks away from its original position and is pushed to the head of the needle tube 1 by the piston 4.
如图4、5所示，对于驱动翼2的优化方式来说，驱动翼2包括连接部10、手持翼11，连接部10贯穿针管1外壁，连接部10底端连接阻隔片3，连接部10顶端铰接手持翼11，手持翼11为适配针管1外壁的弧形，在不使用的时候，手持翼11可以倒伏后贴合在针管1外壁上，既可以预防误碰，也可以保持定位；As shown in Figures 4 and 5, for the optimization method of the drive wing 2, the drive wing 2 includes a connecting portion 10 and a hand-held wing 11, the connecting portion 10 penetrates the outer wall of the needle tube 1, the bottom end of the connecting portion 10 is connected to the barrier sheet 3, and the connecting portion 10. The top of the hand-held wing 11 is hinged. The hand-held wing 11 is arc-shaped to fit the outer wall of the needle tube 1. When not in use, the hand-held wing 11 can be laid down and attached to the outer wall of the needle tube 1, which can prevent accidental touches and maintain positioning ;
对于实施例二中，连接部10为轴状，连接部10底端与注射器内壁齐平。In the second embodiment, the connecting part 10 is in the shape of a shaft, and the bottom end of the connecting part 10 is flush with the inner wall of the syringe.
如图8、9所示，为了实现阻隔片3可脱离结构的实现，实施例三与实施例二的区别在于针管1内壁设置定位凸楞13，定位凸楞13为开口朝向针头方向的开口环形，驱动翼根部14与定位凸楞13同轴设置，驱动翼根部14转动连接定位凸楞13，驱动翼根部14沿径向设置定位槽，定位槽穿过驱动翼根部14中心，定位槽一端贯穿驱动翼根部14侧壁，定位槽宽度≤定位凸楞13的开口；阻隔片3顶部设置有适配定位槽的定位片15，定位片15平行于阻隔片3，使用时旋拧驱动翼2，使定位槽侧面开口与定位凸楞13的开口重合，阻隔片3即可从两个重合的开口冲滑出。As shown in Figures 8 and 9, in order to realize the detachable structure of the barrier sheet 3, the difference between the third embodiment and the second embodiment is that the inner wall of the needle tube 1 is provided with a positioning rib 13, and the positioning rib 13 is an opening ring with an opening facing the direction of the needle. , the driving wing root 14 is coaxially arranged with the positioning rib 13, the driving wing root 14 is rotated and connected to the positioning rib 13, the driving wing root 14 is provided with a positioning groove along the radial direction, the positioning groove passes through the center of the driving wing root 14, and one end of the positioning groove runs through The side wall of the drive wing root 14, the width of the positioning groove ≤ the opening of the positioning rib 13; the top of the barrier piece 3 is provided with a positioning piece 15 adapted to the positioning groove, the positioning piece 15 is parallel to the barrier piece 3, and the driving wing 2 is screwed during use. Make the side opening of the positioning groove coincide with the opening of the positioning rib 13, and the barrier sheet 3 can be punched and slid out from the two overlapping openings.
为了阻隔片3能与针管11内壁密封连接，阻隔片3边沿为柔性密封材料。In order to seal the barrier sheet 3 with the inner wall of the needle tube 11, the edge of the barrier sheet 3 is made of flexible sealing material.
针管1表面设置有颜色标记，针管1内药液类型至少为下列之一：The surface of the needle tube 1 is provided with color markings, and the type of liquid medicine in the needle tube 1 is at least one of the following:
a、颜色标记为淡紫色，针管1容积为10mL，其中0.1mg/mL(成人)或0.01mg/mL(儿童)肾上腺素1mL，0.9％的生理盐水9mL；a. The color mark is lavender, and the volume of needle tube 1 is 10 mL, including 1 mL of 0.1 mg/mL (adult) or 0.01 mg/mL (children) epinephrine, and 9 mL of 0.9% normal saline;
b、颜色标记为深紫色，针管1容积为10mL，其中0.1mg/L的间羟胺1mL，0.9％的生理盐水9mL；b. The color mark is dark purple, and the volume of needle tube 1 is 10 mL, including 1 mL of 0.1 mg/L metaraminol, and 9 mL of 0.9% normal saline;
c、颜色标记为绿色，针管1容积为10mL，其中0.1mg/mL的阿托品2mL，0.9％的生理盐水8mL。c. The color mark is green, and the volume of needle tube 1 is 10 mL, including 2 mL of 0.1 mg/mL atropine and 8 mL of 0.9% normal saline.
实际使用时，如图1中a所示，注射器处于初始位置时，阻隔片3将针管1内腔分为两个相互独立的腔室，分别承装不同的药液，活塞4头端位于针管1尾端处，活塞4上的通槽6与密封柱12形成密封，防止泄露；In actual use, as shown in a in Figure 1, when the syringe is in the initial position, the barrier plate 3 divides the inner cavity of the needle tube 1 into two mutually independent chambers, which respectively hold different liquid medicines, and the head end of the piston 4 is located in the needle tube. 1 At the tail end, the through groove 6 on the piston 4 forms a seal with the sealing column 12 to prevent leakage;
如图1中b所示，准备注射时，旋拧驱动翼2，阻隔片3从垂直于针管1轴向状态旋转至平行轴向状态，被阻隔片3分隔的腔体连通，两种药液混合；As shown in b in Figure 1, when preparing for injection, turn the drive wing 2, the barrier piece 3 rotates from the state perpendicular to the axial direction of the needle tube 1 to the state parallel to the axial direction, and the cavity separated by the barrier piece 3 communicates, and the two liquid medicines mix;
如图1中c所示，实施例一注射时，取下垫块5，推动活塞4，活塞4的通槽6从阻隔片3两侧滑过，将药液注入患者体内As shown in c in Figure 1, when injecting in the first embodiment, the cushion block 5 is removed, the piston 4 is pushed, and the through groove 6 of the piston 4 slides through both sides of the barrier sheet 3, and the liquid medicine is injected into the patient's body
如图1中d所示，实施例二和实施例三注射时，推动活塞4，活塞4的通槽6从阻隔片3两侧滑过，通槽6尾端抵住阻隔片3，阻隔片3脱离，指导阻隔片3被推到针管1头部，药液也被注入患者体内。As shown in d in Figure 1, when the second and third embodiments are injected, the piston 4 is pushed, and the channel 6 of the piston 4 slides through both sides of the barrier sheet 3, and the tail end of the channel 6 is against the barrier sheet 3, and the barrier sheet 3 disengaged, the guide barrier sheet 3 is pushed to the head of the needle tube 1, and the medicinal liquid is also injected into the patient's body.
当然，本发明还可有其它多种实施例，在不背离本发明精神及其实质的情况下，熟悉本领域的技术人员可根据本发明作出各种相应的改变和变形，但这些相应的改变和变形都应属于本发明所附的权利要求的保护范围。Certainly, the present invention also can have other various embodiments, without departing from the spirit and essence of the present invention, those skilled in the art can make various corresponding changes and deformations according to the present invention, but these corresponding changes All changes and modifications should belong to the scope of protection of the appended claims of the present invention.
Claims (10)
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Cited By (1)
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| CN111529196A (en) * | 2020-06-22 | 2020-08-14 | 四川大学华西医院 | Intraocular dual-chamber syringe with adjustable injection flow |
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| CN110538363B (en) | 2024-06-14 |
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