CN105233384B - A kind of trachea cannula that can monitor gasbag pressure automatically - Google Patents
A kind of trachea cannula that can monitor gasbag pressure automatically Download PDFInfo
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Abstract
本发明公开了一种能自动监测气囊压力的气管插管，病人端的端头部分采用柔性体材料软性PVC成型，可充气套囊内壁上安装有薄膜压力传感器，充气管上通过三通管连接气囊压力监测器，所述薄膜压力传感器和气囊压力监测器内均安装有蓝牙模块，通过蓝牙模块与移动终端实现无线通讯。本发明端头部分采用内外涂抹有抗菌涂层的软性PVC材料，避免了气管插管使用时病人端对人体组织产生不适当的压迫，减少对人体器官粘膜的损坏，同时可以减少气管导管留置过程中的相关感染并发症，通过薄膜压力传感器和气囊压力传感器对气囊的压力进行实时检测，提高了使用的安全性，且可以通过移动终端实时或者压力的检测数据，插管整体采用抗菌材料。
The invention discloses a tracheal intubation tube capable of automatically monitoring the pressure of an air bag. The end part of the patient's end is formed by soft PVC, a flexible body material. A film pressure sensor is installed on the inner wall of the inflatable cuff, and the inflatable tube is connected by a three-way tube. For the airbag pressure monitor, a bluetooth module is installed in the thin film pressure sensor and the airbag pressure monitor, and the wireless communication with the mobile terminal is realized through the bluetooth module. The end part of the present invention is made of soft PVC material coated with antibacterial coating inside and outside, which avoids improper compression of the patient's end on the human body tissue during the use of the tracheal intubation, reduces damage to the mucous membrane of human organs, and can reduce the indwelling of the tracheal tube at the same time For related infection complications during the process, the pressure of the air bag is detected in real time through the thin film pressure sensor and the air bag pressure sensor, which improves the safety of use, and the real-time or pressure detection data can be obtained through the mobile terminal. The whole intubation is made of antibacterial materials.
Description
技术领域technical field
本发明涉及医疗器械领域，具体涉及一种能自动监测气囊压力的气管插管。The invention relates to the field of medical equipment, in particular to a tracheal intubation tube capable of automatically monitoring the pressure of an air bag.
背景技术Background technique
气管插管适用于临床中建立患者的人工气道，对其实施机械通气、手术麻醉或心肺复苏等用。气管插管上的气囊充气大小及充气量稳定性决定呼吸功能支持技术是否成功。气管插管和患者气道的密封性是呼吸机正压通气和防止口咽部分泌物误吸的关键所在。气囊充气过大会压迫气管组织造成溃疡或气囊破裂，充气不足会漏气影响呼吸机工作或误吸。目前大多数医护人员在使用气管插管时是靠经验用手触摸和气囊相连通指示球囊的充气量来判断经口插在病人气管位置的气管插管气囊充气量的大小或气囊是否破损。完全靠经验和手感很难避免判断失误，医护人员手感和判断标准也不同，尤其是气囊充气不足或漏气无法及时发现，这样就导致呼吸支持失败，造成病人严重的呼吸衰竭甚至死亡。因为气囊充气不足，口咽部分泌物渗漏到下呼吸道是发生呼吸机相关性肺炎的重要原因，是世界性难题，临床致死率极高。Endotracheal intubation is suitable for establishing an artificial airway for patients in clinical practice, performing mechanical ventilation, surgical anesthesia, or cardiopulmonary resuscitation. The inflation size and stability of the air bag on the endotracheal tube determine whether the respiratory function support technique is successful. Endotracheal intubation and tightness of the patient's airway are key to positive pressure ventilation on the ventilator and prevention of aspiration of oropharyngeal secretions. Excessive inflation of the airbag will compress the tracheal tissue and cause ulcers or rupture of the airbag. Insufficient inflation will cause air leakage and affect the work of the ventilator or aspiration. At present, when most medical personnel use tracheal intubation, they rely on experience to touch and communicate with the air bag to indicate the inflation amount of the balloon to judge the inflation amount of the endotracheal intubation air bag inserted in the patient's trachea position or whether the air bag is damaged. It is difficult to avoid misjudgment by relying entirely on experience and hand feeling, and the hand feel and judgment standards of medical staff are also different, especially if the air bag is insufficiently inflated or air leakage cannot be detected in time, which will lead to failure of respiratory support, resulting in severe respiratory failure or even death of the patient. Leakage of oropharyngeal secretions into the lower respiratory tract due to insufficient airbag inflation is an important cause of ventilator-associated pneumonia, a worldwide problem, and a high clinical fatality rate.
同时患者一旦实施了气管插管，气管导管留置时间一般为：经口插管一般不超过72小时；经鼻插管不超过1周。而有些患者，心肺功能较差，呼吸道分泌物多，会延长留置时间。也可能采取颈部气管切开插管，以便留置的时间可以更长，但此手术创伤大，护理难度大。虽然气管插管一开始解决了通气困难、方便吸出气道内的痰液血液等异物，但是，由于目前临床使用的气管插管导管主要由医用聚乙烯塑料制成，导管对气道分泌物有粘附性，插管后气道粘膜发生压迫、摩擦、刺激等，非常容易引起插管并发症，导致导管留置失败而不得不拔管，终止救治。At the same time, once the patient is intubated, the indwelling time of the endotracheal tube is generally: oral intubation generally does not exceed 72 hours; nasal intubation does not exceed 1 week. However, some patients have poor cardiopulmonary function and a lot of respiratory secretions, which will prolong the indwelling time. It is also possible to take a neck tracheotomy and intubation so that the indwelling time can be longer, but this operation is traumatic and difficult to care for. Although endotracheal intubation initially solved the difficulty of ventilation and facilitated suction of foreign matter such as sputum and blood in the airway. After intubation, the airway mucosa is oppressed, rubbed, irritated, etc., which is very likely to cause intubation complications, resulting in the failure of the catheter indwelling and having to be extubated, terminating the treatment.
发明内容Contents of the invention
为解决上述问题，本发明提供了一种能自动监测气囊压力的气管插管，可远程实时检测气囊的压力，同时具有良好的抗菌性。In order to solve the above problems, the present invention provides an endotracheal tube that can automatically monitor the pressure of the air bag, which can remotely detect the pressure of the air bag in real time and has good antibacterial properties.
为实现上述目的，本发明采取的技术方案为：In order to achieve the above object, the technical scheme that the present invention takes is:
一种能自动监测气囊压力的气管插管，包括管体、可充气套囊、充气管和指示球囊，管体一端为用于与呼吸机连接的机器端，另一端为病人端，靠近病人端一侧设有布置于管体上的可充气套囊，充气管与可充气套囊连通，指示球囊与充气管连通，病人端的端头部分采用柔性体材料软性PVC成型，与病人端粘接固定，可充气套囊内壁上安装有薄膜压力传感器，充气管上通过三通管连接气囊压力监测器，所述薄膜压力传感器和气囊压力监测器内均安装有蓝牙模块，通过蓝牙模块与移动终端实现无线通讯，所述管体、可充气套囊、充气管和指示球囊均由以下重量份的原料制备而成：A tracheal intubation tube that can automatically monitor the pressure of the air bag, including a tube body, an inflatable cuff, an inflation tube and an indicator balloon. One end of the tube body is the machine end for connecting with the ventilator, and the other end is the patient end, which is close to the patient There is an inflatable cuff arranged on the tube body on one side of the end, the inflatable tube communicates with the inflatable cuff, and the indicating balloon communicates with the inflatable tube. Bonding and fixing, a thin film pressure sensor is installed on the inner wall of the inflatable cuff, and the air bag pressure monitor is connected to the inflatable tube through a three-way pipe. Bluetooth modules are installed in the thin film pressure sensor and the air bag pressure monitor. The mobile terminal realizes wireless communication, and the tube body, the inflatable cuff, the inflation tube and the indicator balloon are all prepared from the following raw materials in parts by weight:
PVC 20-80份，聚酯热塑性弹性体7-11份，载银纳米TiO2粉末4-8份，甲基丙烯酸酯0.8-1.5份，石蜡0.5-1.1份，丙烯酸丁酯1-5份，烷基淀粉酯2-6份，十二醇硫酸氨3-7份，甘油2-8份、无机纳米粒子2.1-8份，香草醛0.1-0.2份，百里酚0.1-0.2份，耐化学品改性剂0.5-5份，松枝提取物5-10份，天然硅酸盐4-5份，耐热剂5-15份。20-80 parts of PVC, 7-11 parts of polyester thermoplastic elastomer, 4-8 parts of silver-loaded nano-TiO2 powder, 0.8-1.5 parts of methacrylate, 0.5-1.1 parts of paraffin, 1-5 parts of butyl acrylate, alkane 2-6 parts of starch esters, 3-7 parts of ammonium lauryl sulfate, 2-8 parts of glycerin, 2.1-8 parts of inorganic nanoparticles, 0.1-0.2 parts of vanillin, 0.1-0.2 parts of thymol, chemical resistance Modifier 0.5-5 parts, pine branch extract 5-10 parts, natural silicate 4-5 parts, heat-resistant agent 5-15 parts.
其中，所述气囊压力监测器上还设有蜂鸣报警器。Wherein, the airbag pressure monitor is also provided with a buzzer alarm.
其中，所述耐化学品改性剂为含有全氟烷基的丙烯酸系添加剂。Wherein, the chemical resistance modifier is an acrylic additive containing a perfluoroalkyl group.
其中，所述耐热剂由N-苯基马来酰亚胺的共聚物、α-甲基苯乙烯的共聚物按质量比2∶3混合所得。Wherein, the heat-resistant agent is obtained by mixing a copolymer of N-phenylmaleimide and a copolymer of α-methylstyrene in a mass ratio of 2:3.
其中，所述端头部分7内壁和外壁上均涂覆有抗菌涂层。Wherein, both the inner wall and the outer wall of the end part 7 are coated with an antibacterial coating.
其中，所述抗菌涂层由正硅酸乙酯、γ-甲基丙烯酰氧丙基三甲氧基硅烷、甲基三乙氧基硅烷按质量比5∶6∶2混合后，加入混合物0.8％～1.3％的无机纳米银，混合均匀后，经溶胶凝胶工艺常温制备所得。Wherein, after the antibacterial coating is mixed with ethyl orthosilicate, γ-methacryloxypropyltrimethoxysilane, and methyltriethoxysilane in a mass ratio of 5:6:2, 0.8% of the mixture is added ～1.3% inorganic nano-silver is prepared by sol-gel process at room temperature after uniform mixing.
其中，指示球囊上黏贴有单项阀。Wherein, a one-way valve is pasted on the indicating balloon.
本发明具有以下有益效果：The present invention has the following beneficial effects:
端头部分采用内外涂抹有抗菌涂层的软性PVC材料，一方面避免了气管插管使用时病人端对人体组织产生不适当的压迫，减少对人体器官粘膜的损坏；另一方面通过有机硅载银抗菌涂层可以减少气管导管留置过程中的相关感染并发症，通过薄膜压力传感器和气囊压力传感器对气囊的压力进行实时检测，双重检测双重保障，提高了使用的安全性，且可以通过移动终端实时或者压力的检测数据，减轻了医务人员的工作强度，插管整体采用抗菌材料，进一步提高了使用的安全性。The end part is made of soft PVC material coated with antibacterial coating inside and outside. On the one hand, it avoids improper pressure on human tissues caused by the patient's end during endotracheal intubation, and reduces damage to the mucous membrane of human organs; on the other hand, through silicone The silver-loaded antibacterial coating can reduce the related infection complications during the indwelling process of the endotracheal tube. The pressure of the air bag can be detected in real time through the thin film pressure sensor and the air bag pressure sensor. Double detection and double protection improve the safety of use, and can be moved The real-time or pressure detection data of the terminal reduces the workload of medical staff, and the overall use of antibacterial materials for the intubation tube further improves the safety of use.
附图说明Description of drawings
图1为本发明实施例一种能自动监测气囊压力的气管插管的结构示意图。Fig. 1 is a schematic structural view of an endotracheal intubation tube capable of automatically monitoring the pressure of a balloon according to an embodiment of the present invention.
具体实施方式Detailed ways
为了使本发明的目的及优点更加清楚明白，以下结合实施例对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。In order to make the objects and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
如图1所示，本发明实施例提供了一种能自动监测气囊压力的气管插管，包括管体1、可充气套囊2、充气管3和指示球囊4，管体1一端为用于与呼吸机连接的机器端5，另一端为病人端6，靠近病人端6一侧设有布置于管体上的可充气套囊2，充气管3与可充气套囊2连通，指示球囊4与充气管3连通，病人端6的端头部分7采用柔性体材料软性PVC成型，与病人端6粘接固定，可充气套囊2内壁上安装有薄膜压力传感器10，充气管3上通过三通管9连接气囊压力监测器8，所述薄膜压力传感器10和气囊压力监测器8内均安装有蓝牙模块，通过蓝牙模块与移动终端实现无线通讯，所述管体1、可充气套囊2、充气管3和指示球囊4均由以下重量份的原料制备而成：As shown in Figure 1, the embodiment of the present invention provides a tracheal intubation tube that can automatically monitor the pressure of the balloon, including a tube body 1, an inflatable cuff 2, an inflatable tube 3 and an indicator balloon 4, and one end of the tube body 1 is a The machine end 5 connected to the ventilator, the other end is the patient end 6, and the side near the patient end 6 is provided with an inflatable cuff 2 arranged on the tube body, the inflatable tube 3 communicates with the inflatable cuff 2, and the indicator ball The bag 4 communicates with the inflatable tube 3, and the end part 7 of the patient's end 6 is made of soft PVC, a flexible body material, and is bonded and fixed with the patient's end 6. A thin film pressure sensor 10 is installed on the inner wall of the inflatable cuff 2, and the inflatable tube 3 The airbag pressure monitor 8 is connected to the airbag pressure monitor 8 through a three-way pipe 9, and a bluetooth module is installed in the thin film pressure sensor 10 and the airbag pressure monitor 8, and the wireless communication is realized with the mobile terminal through the bluetooth module. The cuff 2, the inflatable tube 3 and the indicator balloon 4 are all prepared from the following raw materials in parts by weight:
PVC 20-80份，聚酯热塑性弹性体7-11份，载银纳米TiO2粉末4-8份，甲基丙烯酸酯0.8-1.5份，石蜡0.5-1.1份，丙烯酸丁酯1-5份，烷基淀粉酯2-6份，十二醇硫酸氨3-7份，甘油2-8份、无机纳米粒子2.1-8份，香草醛0.1-0.2份，百里酚0.1-0.2份，耐化学品改性剂0.5-5份，松枝提取物5-10份，天然硅酸盐4-5份，耐热剂5-15份。20-80 parts of PVC, 7-11 parts of polyester thermoplastic elastomer, 4-8 parts of silver-loaded nano-TiO2 powder, 0.8-1.5 parts of methacrylate, 0.5-1.1 parts of paraffin, 1-5 parts of butyl acrylate, alkane 2-6 parts of starch esters, 3-7 parts of ammonium lauryl sulfate, 2-8 parts of glycerin, 2.1-8 parts of inorganic nanoparticles, 0.1-0.2 parts of vanillin, 0.1-0.2 parts of thymol, chemical resistance Modifier 0.5-5 parts, pine branch extract 5-10 parts, natural silicate 4-5 parts, heat-resistant agent 5-15 parts.
所述气囊压力监测器8上还设有蜂鸣报警器。The airbag pressure monitor 8 is also provided with a buzzer alarm.
所述耐化学品改性剂为含有全氟烷基的丙烯酸系添加剂。The chemical resistance modifier is an acrylic additive containing a perfluoroalkyl group.
所述耐热剂由N-苯基马来酰亚胺的共聚物、α-甲基苯乙烯的共聚物按质量比2∶3混合所得。The heat-resistant agent is obtained by mixing a copolymer of N-phenylmaleimide and a copolymer of α-methylstyrene in a mass ratio of 2:3.
所述端头部分7内壁和外壁上均涂覆有抗菌涂层。Both the inner wall and the outer wall of the end portion 7 are coated with an antibacterial coating.
所述抗菌涂层由正硅酸乙酯、γ-甲基丙烯酰氧丙基三甲氧基硅烷、甲基三乙氧基硅烷按质量比5∶6∶2混合后，加入混合物0.8％～1.3％的无机纳米银，混合均匀后，经溶胶凝胶工艺常温制备所得。After the antibacterial coating is mixed with ethyl orthosilicate, γ-methacryloxypropyltrimethoxysilane and methyltriethoxysilane in a mass ratio of 5:6:2, add 0.8% to 1.3% of the mixture % inorganic nano-silver, which is prepared by sol-gel process at room temperature after uniform mixing.
指示球囊4上黏贴有单项阀。A one-way valve is pasted on the indicator balloon 4 .
本具体实施端头部分采用内外涂抹有抗菌涂层的软性PVC材料，一方面避免了气管插管使用时病人端对人体组织产生不适当的压迫，减少对人体器官粘膜的损坏；另一方面通过有机硅载银抗菌涂层可以减少气管导管留置过程中的相关感染并发症，通过薄膜压力传感器和气囊压力传感器对气囊的压力进行实时检测，双重检测双重保障，提高了使用的安全性，且可以通过移动终端实时或者压力的检测数据，减轻了医务人员的工作强度，插管整体采用抗菌材料，进一步提高了使用的安全性。In this specific implementation, the end part is made of soft PVC material coated with antibacterial coating inside and outside. On the one hand, it avoids the patient’s end from inappropriate pressure on human tissues when the endotracheal tube is used, and reduces the damage to the mucous membrane of human organs; on the other hand The silicone silver-loaded antibacterial coating can reduce the related infection complications during the indwelling process of the endotracheal tube, and the pressure of the air bag can be detected in real time through the thin film pressure sensor and the air bag pressure sensor. Double detection and double protection improve the safety of use, and The real-time or pressure detection data of the mobile terminal can be used to reduce the workload of medical staff, and the overall use of antibacterial materials for the intubation tube further improves the safety of use.
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以作出若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。The above is only a preferred embodiment of the present invention, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, and these improvements and modifications should also be It is regarded as the protection scope of the present invention.
Claims (7)
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