CN221655541U - Central venous catheter capable of automatically flushing - Google Patents
Central venous catheter capable of automatically flushing Download PDFInfo
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- CN221655541U CN221655541U CN202323607828.7U CN202323607828U CN221655541U CN 221655541 U CN221655541 U CN 221655541U CN 202323607828 U CN202323607828 U CN 202323607828U CN 221655541 U CN221655541 U CN 221655541U
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- 238000011010 flushing procedure Methods 0.000 title claims abstract description 37
- 238000001802 infusion Methods 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000002504 physiological saline solution Substances 0.000 abstract description 11
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 9
- 239000011780 sodium chloride Substances 0.000 description 9
- 239000003814 drug Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 229940079593 drug Drugs 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 210000004204 blood vessel Anatomy 0.000 description 3
- 101001121408 Homo sapiens L-amino-acid oxidase Proteins 0.000 description 2
- 102100026388 L-amino-acid oxidase Human genes 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000028399 Critical Illness Diseases 0.000 description 1
- 241001411320 Eriogonum inflatum Species 0.000 description 1
- 101000827703 Homo sapiens Polyphosphoinositide phosphatase Proteins 0.000 description 1
- 102100023591 Polyphosphoinositide phosphatase Human genes 0.000 description 1
- 101100012902 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) FIG2 gene Proteins 0.000 description 1
- 101100233916 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) KAR5 gene Proteins 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
本实用新型公开了一种可自动冲洗的中心静脉导管，具体涉及中心静脉导管技术领域，包括：中心静脉导管本体，所述中心静脉导管本体的一端设有正压接头，所述正压接头的一端设有连接管，所述连接管相对于正压接头的一端连接有输液器；冲洗机构，所述冲洗机构包括储瓶罐，所述储瓶罐的顶端可拆卸连接有罐盖。本实用新型通过设置冲洗管、抽液泵、第一电磁阀、控制器和流量计等结构组成冲洗机构，可使储瓶罐内的生理盐水被定时定量的抽入冲洗管内，而后生理盐水通过正压接头冲入中心静脉导管本体内，从而可定时定量的自动冲洗管道，操作简单方便、省时省力，且无需人工操作，大大提高了工作效率。
The utility model discloses a central venous catheter capable of automatic flushing, specifically relates to the technical field of central venous catheters, comprising: a central venous catheter body, one end of which is provided with a positive pressure joint, one end of which is provided with a connecting tube, and one end of which is connected to an infusion set relative to the positive pressure joint; a flushing mechanism, the flushing mechanism comprising a storage bottle, the top of which is detachably connected to a tank cover. The utility model is provided with a flushing tube, a liquid pump, a first solenoid valve, a controller, a flow meter and other structures to form a flushing mechanism, so that the physiological saline in the storage bottle can be drawn into the flushing tube in a regular and quantitative manner, and then the physiological saline is flushed into the central venous catheter body through the positive pressure joint, so that the pipeline can be automatically flushed in a regular and quantitative manner, the operation is simple and convenient, time-saving and labor-saving, and no manual operation is required, which greatly improves work efficiency.
Description
技术领域Technical Field
本实用新型涉及中心静脉导管技术领域，具体涉及一种可自动冲洗的中心静脉导管。The utility model relates to the technical field of central venous catheters, in particular to a central venous catheter capable of automatic flushing.
背景技术Background Art
中心静脉导管属于血管内管的一种，通常放置于大静脉中，简单来说，中心静脉导管就是从血管置入到心腔内的一种管道，可用于输液(可大剂量输液，或输入高渗液体，对重症病人十分重要)，即医务人员将吸取有药物的注射器插入到中心静脉导管的端口内，或通过输液器连接中心静脉导管的端口，以此将药物经中心静脉导管注入病人血管，从而实现药物治疗。A central venous catheter is a type of intravascular catheter, usually placed in a large vein. Simply put, a central venous catheter is a tube inserted from a blood vessel into the heart cavity and can be used for infusion (large doses of infusion, or infusion of hypertonic fluids, which is very important for critically ill patients). That is, medical personnel insert a syringe with medication into the port of the central venous catheter, or connect the port of the central venous catheter with an infusion set, so as to inject the medication into the patient's blood vessels through the central venous catheter, thereby achieving drug treatment.
目前，在中心静脉导管使用的过程中，为了避免管道发生堵塞，临床需要每4h用盐水冲管一次，以防止堵管，但是由于临床工作繁忙，医务人员容易忘记冲管，而一旦发生堵管，就需要进行重置，不仅浪费金钱和时间，也不利于病人的治疗，且冲管时，常常需要采用注射器抽吸15-20ml的生理盐水打进中心静脉导管中，每天需要反复多次这种操作，费时费力，增加护士工作量。At present, in the process of using central venous catheters, in order to avoid blockage of the pipeline, the clinician needs to flush the catheter with saline every 4 hours to prevent blockage. However, due to the busy clinical work, medical staff tend to forget to flush the catheter. Once the tube is blocked, it needs to be reset, which not only wastes money and time, but also is not conducive to the treatment of patients. When flushing the catheter, it is often necessary to use a syringe to draw 15-20ml of saline into the central venous catheter. This operation needs to be repeated many times a day, which is time-consuming and labor-intensive, and increases the workload of nurses.
实用新型内容Utility Model Content
本实用新型的目的是提供一种可自动冲洗的中心静脉导管，通过设置冲洗管、抽液泵、第一电磁阀、控制器和流量计等结构组成冲洗机构，可使储瓶罐内的生理盐水被定时定量的抽入冲洗管内，而后生理盐水通过正压接头冲入中心静脉导管本体内，从而可定时定量的自动冲洗管道，操作简单方便、省时省力，且无需人工操作，大大提高了工作效率，以解决技术中的上述不足之处。The utility model aims to provide a central venous catheter which can be automatically flushed. By arranging a flushing tube, a liquid pump, a first solenoid valve, a controller and a flow meter to form a flushing mechanism, the physiological saline in a storage bottle can be drawn into the flushing tube in a regular and quantitative manner, and then the physiological saline is flushed into the central venous catheter body through a positive pressure joint, so that the pipeline can be automatically flushed in a regular and quantitative manner. The operation is simple and convenient, time-saving and labor-saving, and no manual operation is required, which greatly improves the work efficiency and solves the above-mentioned shortcomings in the technology.
为了实现上述目的，本实用新型提供如下技术方案：一种可自动冲洗的中心静脉导管，包括：In order to achieve the above-mentioned purpose, the utility model provides the following technical solution: a central venous catheter capable of automatic flushing, comprising:
中心静脉导管本体，所述中心静脉导管本体的一端设有正压接头，所述正压接头的一端设有连接管，所述连接管相对于正压接头的一端连接有输液器；A central venous catheter body, one end of which is provided with a positive pressure connector, one end of which is provided with a connecting tube, and one end of which is opposite to the positive pressure connector is connected to an infusion set;
冲洗机构，所述冲洗机构包括储瓶罐，所述储瓶罐的顶端可拆卸连接有罐盖，且储瓶罐的底端设有第二电磁阀，所述第二电磁阀的底端连接有冲洗管，所述冲洗管的底端与连接管的侧壁相连通，所述储瓶罐的侧壁设有控制器，所述连接管靠近输液器的一端安装有第一电磁阀，所述冲洗管的一端设有抽液泵和流量计，且抽液泵位于第二电磁阀与流量计的之间，所述储瓶罐的内部底端设有穿刺针，且穿刺针的底端与第二电磁阀的输入端相连通。A flushing mechanism, the flushing mechanism includes a bottle tank, the top of the bottle tank is detachably connected to a tank cover, and the bottom of the bottle tank is provided with a second solenoid valve, the bottom end of the second solenoid valve is connected to a flushing tube, the bottom end of the flushing tube is connected to the side wall of the connecting tube, the side wall of the bottle tank is provided with a controller, the end of the connecting tube close to the infusion pump is equipped with a first solenoid valve, one end of the flushing tube is provided with a liquid pump and a flow meter, and the liquid pump is located between the second solenoid valve and the flow meter, and a puncture needle is provided at the inner bottom end of the bottle tank, and the bottom end of the puncture needle is connected to the input end of the second solenoid valve.
优选的，所述储瓶罐的外壁设有固定环，所述固定环的侧壁通过轴承转动连接有连接轴，所述连接轴的一端固定有卡座，所述卡座的内侧两端对称设有弹簧，且两个弹簧相对于卡座的一端对称连接有夹板。Preferably, the outer wall of the bottle storage tank is provided with a fixing ring, the side wall of the fixing ring is rotatably connected to a connecting shaft through a bearing, a socket is fixed to one end of the connecting shaft, springs are symmetrically provided at both ends of the inner side of the socket, and two springs are symmetrically connected to a clamping plate relative to one end of the socket.
优选的，所述卡座的两端均贯穿连接有固定杆，所述固定杆的一端穿过弹簧、并与夹板固定连接，且固定杆的另一端设有拉块。Preferably, both ends of the clamping seat are penetrated and connected with fixing rods, one end of the fixing rod passes through the spring and is fixedly connected to the clamping plate, and the other end of the fixing rod is provided with a pulling block.
优选的，两个所述夹板的内侧均开设有弧形凹槽。Preferably, arc-shaped grooves are formed on the inner sides of the two clamping plates.
优选的，所述卡座呈U型。Preferably, the holder is U-shaped.
优选的，所述储瓶罐的侧壁设有观察窗口，所述观察窗口的表面设有刻度计。Preferably, the side wall of the storage tank is provided with an observation window, and the surface of the observation window is provided with a scale.
优选的，所述储瓶罐的顶端设有外螺纹环，所述罐盖的内壁设有与外螺纹环相匹配的内螺纹环。Preferably, the top of the storage bottle is provided with an external thread ring, and the inner wall of the tank cover is provided with an internal thread ring matching the external thread ring.
在上述技术方案中，本实用新型提供的技术效果和优点：In the above technical solution, the technical effects and advantages provided by the utility model are:
通过设置冲洗管、抽液泵、第一电磁阀、控制器和流量计等结构组成冲洗机构，可使储瓶罐内的生理盐水被定时定量的抽入冲洗管内，而后生理盐水通过正压接头冲入中心静脉导管本体内，从而可定时定量的自动冲洗管道，操作简单方便、省时省力，且无需人工操作，大大提高了工作效率；The flushing mechanism is composed of a flushing tube, a liquid pump, a first solenoid valve, a controller and a flow meter, so that the saline in the storage bottle can be pumped into the flushing tube in a timely and quantitative manner, and then the saline is flushed into the central venous catheter body through the positive pressure connector, so that the pipeline can be automatically flushed in a timely and quantitative manner, which is simple and convenient to operate, saves time and effort, and does not require manual operation, thereby greatly improving work efficiency;
通过在储瓶罐上设置固定环、连接轴、卡座、弹簧和夹板等结构，可根据床架梁杆的方向调节卡座的竖直或水平位置，并使卡座能够夹紧在床架梁杆的外部，从而可对储瓶罐进行限位固定，进而可快速实现冲洗机构的安装放置，且放置位置灵活可调，释放也较为简单方便，大大提高了使用时的便捷性。By arranging a fixing ring, a connecting shaft, a clamping seat, a spring and a clamping plate and other structures on the bottle storage tank, the vertical or horizontal position of the clamping seat can be adjusted according to the direction of the bed frame beam, and the clamping seat can be clamped on the outside of the bed frame beam, so that the bottle storage tank can be limited and fixed, and the installation and placement of the flushing mechanism can be quickly realized. The placement position is flexible and adjustable, and the release is relatively simple and convenient, which greatly improves the convenience during use.
附图说明BRIEF DESCRIPTION OF THE DRAWINGS
为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本实用新型中记载的一些实施例，对于本领域普通技术人员来讲，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.
图1为本实用新型的整体结构示意图之一；FIG1 is a schematic diagram of the overall structure of the present invention;
图2为本实用新型的整体结构示意图之二；Figure 2 is a second schematic diagram of the overall structure of the utility model;
图3为本实用新型固定环与卡座连接的结构示意图；FIG3 is a schematic diagram of the structure of the connection between the fixing ring and the holder of the utility model;
图4为本实用新型储瓶罐与罐盖分离的结构示意图Figure 4 is a schematic diagram of the structure of the utility model storage bottle tank and the tank cover are separated
图5为本实用新型储瓶罐的内部结构示意图。FIG. 5 is a schematic diagram of the internal structure of the bottle storage tank of the present invention.
附图标记说明：Description of reference numerals:
1、中心静脉导管本体；2、正压接头；3、连接管；4、输液器；5、冲洗管；6、第一电磁阀；7、储瓶罐；8、罐盖；9、观察窗口；10、控制器；11、第二电磁阀；12、抽液泵；13、流量计；14、固定环；15、连接轴；16、卡座；17、弹簧；18、夹板；19、固定杆；20、拉块；21、外螺纹环；22、内螺纹环；23、穿刺针。1. Central venous catheter body; 2. Positive pressure connector; 3. Connecting tube; 4. Infusion set; 5. Flushing tube; 6. First solenoid valve; 7. Storage bottle; 8. Tank cover; 9. Observation window; 10. Controller; 11. Second solenoid valve; 12. Suction pump; 13. Flow meter; 14. Fixed ring; 15. Connecting shaft; 16. Clamping seat; 17. Spring; 18. Clamping plate; 19. Fixed rod; 20. Pull block; 21. External thread ring; 22. Internal thread ring; 23. Puncture needle.
具体实施方式DETAILED DESCRIPTION
为了使本领域的技术人员更好地理解本实用新型的技术方案，下面将结合附图对本实用新型作进一步的详细介绍。In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.
本实用新型提供了如图1、图2和图4所示的一种可自动冲洗的中心静脉导管，包括：The utility model provides a central venous catheter capable of automatic flushing as shown in FIG1 , FIG2 and FIG4 , comprising:
中心静脉导管本体1，中心静脉导管本体1的一端设有正压接头2，正压接头2的一端设有连接管3，连接管3相对于正压接头2的一端连接有输液器4；正压接头2可以防止管内血液向外流出。A central venous catheter body 1, one end of which is provided with a positive pressure connector 2, one end of which is provided with a connecting tube 3, and one end of the connecting tube 3 relative to the positive pressure connector 2 is connected to an infusion set 4; the positive pressure connector 2 can prevent blood in the tube from flowing out.
该装置在使用时，通过输液器4的一端连接输药瓶，而输液器4的另一端通过连接管3与正压接头2连接，从而可使药物通过输液器4和中心静脉导管本体1注入病人血管中，以实现药物治疗。When the device is in use, one end of the infusion set 4 is connected to the medicine bottle, and the other end of the infusion set 4 is connected to the positive pressure connector 2 through the connecting tube 3, so that the medicine can be injected into the patient's blood vessels through the infusion set 4 and the central venous catheter body 1 to achieve drug treatment.
冲洗机构，冲洗机构包括储瓶罐7，储瓶罐7的顶端可拆卸连接有罐盖8，且储瓶罐7的底端设有第二电磁阀11，第二电磁阀11的底端连接有冲洗管5，冲洗管5的底端与连接管3的侧壁相连通，储瓶罐7的侧壁设有控制器10，连接管3靠近输液器4的一端安装有第一电磁阀6，冲洗管5的一端设有抽液泵12和流量计13，且抽液泵12位于第二电磁阀11与流量计13的之间，储瓶罐7的内部底端设有穿刺针23，且穿刺针23的底端与第二电磁阀11的输入端相连通。The flushing mechanism comprises a bottle storage tank 7, the top end of which is detachably connected to a tank cover 8, and the bottom end of which is provided with a second solenoid valve 11, the bottom end of which is connected to a flushing tube 5, the bottom end of which is communicated with the side wall of the connecting tube 3, a controller 10 is provided on the side wall of the bottle storage tank 7, a first solenoid valve 6 is installed at one end of the connecting tube 3 close to the infusion pump 4, a liquid pump 12 and a flow meter 13 are provided at one end of the flushing tube 5, and the liquid pump 12 is located between the second solenoid valve 11 and the flow meter 13, a puncture needle 23 is provided at the inner bottom end of the bottle storage tank 7, and the bottom end of the puncture needle 23 is communicated with the input end of the second solenoid valve 11.
通过储瓶罐7方便放入生理盐水瓶，且生理盐水瓶的瓶塞可插接在穿刺针23上，以实现生理盐水瓶与冲洗管5的连通，由于并非是直接向储瓶罐7内倒入生理盐水，因此可避免生理盐水倒出过程中与空气接触发生污染的情况。The bottle storage tank 7 is used to conveniently insert the saline bottle, and the bottle stopper of the saline bottle can be plugged into the puncture needle 23 to achieve the connection between the saline bottle and the flushing tube 5. Since the saline is not directly poured into the bottle storage tank 7, it can avoid the situation where the saline comes into contact with the air and is contaminated during the pouring process.
储瓶罐7的侧壁设有观察窗口9，观察窗口9的表面设有刻度计。通过观察窗口9方便医务人员能够随时观察到储瓶罐7内的生理盐水瓶余量，且刻度计可大致得到余量数值。The side wall of the bottle storage tank 7 is provided with an observation window 9, and a scale is provided on the surface of the observation window 9. Through the observation window 9, it is convenient for medical staff to observe the residual amount of the physiological saline bottle in the bottle storage tank 7 at any time, and the scale can roughly obtain the residual value.
储瓶罐7的顶端设有外螺纹环21，罐盖8的内壁设有与外螺纹环21相匹配的内螺纹环22。An external thread ring 21 is provided at the top of the storage bottle 7 , and an internal thread ring 22 matching the external thread ring 21 is provided on the inner wall of the tank cover 8 .
通过外螺纹环21与内螺纹环22相互旋合连接，可实现储瓶罐7与罐盖8之间的快速拆装，以便放入生理盐水瓶。The external thread ring 21 and the internal thread ring 22 are screwed together to realize the quick disassembly and assembly between the bottle storage tank 7 and the tank cover 8 so as to put in the physiological saline bottle.
本实用新型在使用时，可通过控制器10定时启动抽液泵12，同时控制第一电磁阀6关闭，第二电磁阀11打开，而后抽液泵12可将储瓶罐7内生理盐水瓶中的生理盐水抽出，使生理盐水进入冲洗管5中，且经过流量计13时，通过流量计13可对通过的流量进行检测，一旦流量到达预设值(如20ml)即可停止抽液工作，从而可使定量的生理盐水通过冲洗管5冲入连接管3中，而后通过正压接头2进入中心静脉导管本体1内，进而可实现生理盐水定时定量的冲洗管道，操作简单方便、省时省力，且无需人工操作，大大提高了工作效率。When the utility model is in use, the controller 10 can be used to start the liquid pump 12 at a fixed time, and the first solenoid valve 6 can be controlled to be closed and the second solenoid valve 11 can be controlled to be opened. Then the liquid pump 12 can extract the physiological saline in the physiological saline bottle in the storage tank 7, so that the physiological saline enters the flushing tube 5, and when passing through the flow meter 13, the flow rate passing through can be detected by the flow meter 13. Once the flow rate reaches a preset value (such as 20 ml), the liquid pumping work can be stopped, so that a fixed amount of physiological saline can be flushed into the connecting tube 3 through the flushing tube 5, and then enter the central venous catheter body 1 through the positive pressure connector 2, thereby realizing the regular and fixed amount of physiological saline flushing pipeline, which is simple and convenient to operate, saves time and labor, and does not require manual operation, thereby greatly improving work efficiency.
本实用新型提供了如图1-图3所示的一种可自动冲洗的中心静脉导管，储瓶罐7的外壁设有固定环14，固定环14的侧壁通过轴承转动连接有连接轴15，连接轴15的一端固定有卡座16，卡座16的内侧两端对称设有弹簧17，且两个弹簧17相对于卡座16的一端对称连接有夹板18。The utility model provides a central venous catheter that can be automatically flushed as shown in Figures 1 to 3. The outer wall of the storage bottle 7 is provided with a fixing ring 14, and the side wall of the fixing ring 14 is rotatably connected to a connecting shaft 15 through a bearing. A clamping seat 16 is fixed to one end of the connecting shaft 15, and springs 17 are symmetrically provided at both ends of the inner side of the clamping seat 16, and two springs 17 are symmetrically connected to a clamping plate 18 relative to one end of the clamping seat 16.
卡座16的两端均贯穿连接有固定杆19，固定杆19的一端穿过弹簧17、并与夹板18固定连接，且固定杆19的另一端设有拉块20。Both ends of the holder 16 are penetrated by a fixing rod 19 , one end of the fixing rod 19 passes through the spring 17 and is fixedly connected to the clamping plate 18 , and the other end of the fixing rod 19 is provided with a pull block 20 .
两个夹板18的内侧均开设有弧形凹槽；卡座16呈U型。通过弧形凹槽可使夹板18更好的夹紧在床架等设备的梁杆上。The inner sides of the two clamping plates 18 are both provided with arc grooves, and the clamping seat 16 is U-shaped. The clamping plates 18 can be better clamped on the beams of equipment such as bed frames through the arc grooves.
通过在储瓶罐7上设置固定环14，且使用时，可转动固定环14上的连接轴15，使连接轴15带动卡座16转动，从而调节卡座16在竖直或水平位置，之后可拉动卡座16两侧的拉块20，使拉块20带动固定杆19移动，而后固定杆19可带动夹板18移动并挤压弹簧17，从而可使两个夹板18张开，然后可使床架梁杆伸在两个夹板18之间，松开拉块20后，在弹簧17的反弹下，可使两个夹板18快速复位并夹紧梁杆，从而可对储瓶罐7进行限位固定，进而可快速实现冲洗机构的安装放置，无需额外布设输液架固定该冲洗机构，且放置位置灵活可调，同时再次拉动拉块20即可释放储瓶罐7，操作简单方便，大大提高了使用时的便捷性。By arranging a fixing ring 14 on the bottle storage tank 7, and when in use, the connecting shaft 15 on the fixing ring 14 can be rotated, so that the connecting shaft 15 drives the clamping seat 16 to rotate, thereby adjusting the clamping seat 16 to a vertical or horizontal position, and then the pull blocks 20 on both sides of the clamping seat 16 can be pulled, so that the pull blocks 20 drive the fixing rod 19 to move, and then the fixing rod 19 can drive the clamping plate 18 to move and squeeze the spring 17, so that the two clamping plates 18 can be opened, and then the bed frame beam can be extended between the two clamping plates 18. After releasing the pull block 20, the two clamping plates 18 can be quickly reset and clamp the beam under the rebound of the spring 17, so that the bottle storage tank 7 can be limited and fixed, and then the installation and placement of the flushing mechanism can be quickly realized, without the need to additionally arrange an infusion stand to fix the flushing mechanism, and the placement position is flexible and adjustable, and the bottle storage tank 7 can be released by pulling the pull block 20 again, which is simple and convenient to operate, and greatly improves the convenience during use.
以上只通过说明的方式描述了本实用新型的某些示范性实施例，毋庸置疑，对于本领域的普通技术人员，在不偏离本实用新型的精神和范围的情况下，可以用各种不同的方式对所描述的实施例进行修正。因此，上述附图和描述在本质上是说明性的，不应理解为对本实用新型权利要求保护范围的限制。The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.
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| CN202323607828.7U CN221655541U (en) | 2023-12-28 | 2023-12-28 | Central venous catheter capable of automatically flushing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN120132173A (en) * | 2025-04-21 | 2025-06-13 | 中国人民解放军陆军军医大学第一附属医院 | Central venous catheter flushing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN120132173A (en) * | 2025-04-21 | 2025-06-13 | 中国人民解放军陆军军医大学第一附属医院 | Central venous catheter flushing device |
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