CN103751894B - A kind of digital control medical respirator - Google Patents
A kind of digital control medical respirator Download PDFInfo
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Abstract
一种数字控制医用呼吸器，包括气囊、伺服电机、支撑机构、气囊压缩机构、齿轮传动机构，支撑机构包括前支板、后支板、横支板；前支板通过左右各两个螺栓与横支板连接，横支板的后端与后支板焊接在一起，从而使它们成为坚固的一体，称为支撑机构。气囊两端分别固定在支撑机构的前、后支板上，其前后安装了进气管和排气管，它们分别与气囊进气口和排气口相连。由于采用上述技术方案，本发明具有稳定性高，操作方便，调整简单等优点，解决了病人和家属可以自己轻松控制操作呼吸器的实际问题。
A digitally controlled medical respirator, including an airbag, a servo motor, a support mechanism, an airbag compression mechanism, and a gear transmission mechanism. The support mechanism includes a front support plate, a rear support plate, and a transverse support plate; The cross strut is connected, and the rear end of the cross strut is welded to the rear strut, so that they become a solid one, called the support mechanism. The two ends of the airbag are respectively fixed on the front and rear support plates of the supporting mechanism, and air intake pipes and exhaust pipes are installed in the front and back, and they are respectively connected with the air bag air inlet and the exhaust port. Due to the adoption of the above technical solution, the present invention has the advantages of high stability, convenient operation, simple adjustment, etc., and solves the practical problem that patients and family members can easily control and operate the respirator by themselves.
Description
技术领域technical field
本发明属于医疗设备领域，特别涉及一种数字控制医用呼吸器。The invention belongs to the field of medical equipment, in particular to a digitally controlled medical ventilator.
技术背景technical background
医院在抢救危重病人时和对有自主呼吸障碍的病人会使用呼吸机。由于在抢救时，有时需对病人不断往复的按压胸口，需配有呼吸机，为病人提供最好的医治效果；另外有自主呼吸障碍的病人需配备呼吸机，现在大多数呼吸机采用人手按压气囊的方式，即增加了医生的工作强度，又浪费了很多宝贵时间，故发明设计一种具有压缩机构的数字控制医用呼吸器，代替人手按压气囊。它可以根据病人需要自主调节吸氧频率和吸氧量，具有稳定性高，方便易学等特点。Hospitals use ventilators when rescuing critically ill patients and for patients with spontaneous breathing disorders. Because in the rescue, it is sometimes necessary to press the patient's chest repeatedly, a ventilator is required to provide the best treatment effect for the patient; in addition, patients with spontaneous breathing disorders need to be equipped with a ventilator, and most ventilators now use manual compression The way of the air bag not only increases the work intensity of the doctor, but also wastes a lot of precious time. Therefore, a digitally controlled medical respirator with a compression mechanism is invented and designed to replace the manual pressing of the air bag. It can independently adjust the frequency and amount of oxygen inhalation according to the patient's needs, and has the characteristics of high stability, convenience and easy learning.
发明内容Contents of the invention
本发明的目的是针对现有医用呼吸器实际应用中存在的问题，提供一种数字控制医用呼吸器，能实现人手2-3公斤的推力，并可根据病人的需要随时随地调节所需的吸氧量和呼吸频率。具有更高的稳定性，且操作方便，调整简单等特点。The purpose of the present invention is to solve the problems existing in the actual application of the existing medical respirator, to provide a digitally controlled medical respirator, which can realize the thrust of 2-3 kg by hand, and can adjust the required suction anytime and anywhere according to the needs of the patient. Oxygen volume and respiratory rate. It has the characteristics of higher stability, convenient operation and simple adjustment.
采用的技术方案：The technical solution adopted:
一种数字控制医用呼吸器，包括气囊、伺服电机、支撑机构、气囊压缩机构、齿轮传动机构，其特征在于：A digitally controlled medical respirator, comprising an airbag, a servo motor, a support mechanism, an airbag compression mechanism, and a gear transmission mechanism, is characterized in that:
支撑机构包括前支板、后支板、横支板；前支板通过左右各两个螺栓与横支板连接，横支板的后端与后支板焊接在一起，从而使它们成为坚固的一体，称为支撑机构。气囊两端分别固定在支撑机构的前、后支板上，其前后安装了进气管和排气管，它们分别与气囊进气口和排气口相连。The support mechanism includes a front support plate, a rear support plate, and a transverse support plate; the front support plate is connected to the transverse support plate by two bolts on the left and right, and the rear end of the transverse support plate is welded to the rear support plate, so that they become solid One, called the support mechanism. The two ends of the airbag are respectively fixed on the front and rear support plates of the supporting mechanism, and air intake pipes and exhaust pipes are installed in the front and back, and they are connected with the airbag air inlet and the exhaust port respectively.
气囊压缩机构包括气囊右边压缩机构和气囊左边压缩机构。The airbag compression mechanism includes an airbag right compression mechanism and an airbag left compression mechanism.
气囊右边压缩机构包括右推压手柄、右连杆铰链、左挡板、左转盘、销轴、左活销和左凸轮。左挡板上方加工一滑槽，下方加工一通孔，左挡板与右连杆铰链通过销轴连接，销轴在上滑槽内运动，左转盘上加工一轴孔，外套弹簧的左活销安装在此孔内，左活销的一端抵顶在齿轮箱盖上，左凸轮和右凸轮固定在齿轮箱盖上，左活销沿左凸轮表面往复运动，当左活销沿左凸轮表面从低点运动到高点时，则使左活销后端插入左挡板下端的通孔内，并带动右连杆铰链摆动，使固定在其上的右推压手柄压缩气囊。The compression mechanism on the right side of the air bag comprises a right push handle, a right connecting rod hinge, a left baffle plate, a left rotating disk, pin shaft, a left live pin and a left cam. A chute is processed on the top of the left baffle, and a through hole is processed on the bottom. The left baffle and the right connecting rod hinge are connected by a pin shaft, and the pin shaft moves in the upper chute. The pin is installed in this hole, one end of the left live pin is against the gear case cover, the left cam and the right cam are fixed on the gear case cover, the left live pin reciprocates along the surface of the left cam, when the left live pin moves along the surface of the left cam When moving from the low point to the high point, the left live pin rear end is inserted into the through hole at the lower end of the left baffle plate, and the right connecting rod hinge is driven to swing, so that the right push handle fixed on it compresses the air bag.
气囊左边压缩机构包括左推压手柄、左连杆铰链、右挡板和右转盘、销轴、右活销和右凸轮。气囊左边压缩机构在结构和工作原理上与气囊右边压缩机构相同。The compression mechanism on the left side of the airbag comprises a left push handle, a left link hinge, a right baffle plate and a right rotating disk, a bearing pin, a right live pin and a right cam. The compression mechanism on the left side of the airbag is the same as the compression mechanism on the right side of the airbag in terms of structure and working principle.
气囊左、右两边的压缩机构，由于其左、右连杆铰链交叉设置，所以它们通过一个连接销轴固定在支撑机构上。The compression mechanisms on the left and right sides of the airbag are fixed on the supporting mechanism by a connecting pin because the left and right connecting rod hinges are intersected.
齿轮传动机构包括齿轮箱体、齿轮箱盖、左、右传动齿轮、左、右传动轴、伺服电机。伺服电机固定在齿轮箱体上，电机输出轴上安装了主动齿轮，齿轮箱内分别固定安装了左传动轴和右传动轴，左传动轴和右传动轴上分别安装了左传动齿轮和右传动齿轮，左传动齿轮、右传动齿轮分别与主动齿轮啮合。左转盘通过螺钉固定在左传动轴上，右转盘通过螺钉固定在右传动轴上。The gear transmission mechanism includes a gear box body, a gear box cover, left and right transmission gears, left and right transmission shafts, and a servo motor. The servo motor is fixed on the gearbox body, the driving gear is installed on the output shaft of the motor, the left transmission shaft and the right transmission shaft are fixedly installed in the gearbox respectively, and the left transmission gear and the right transmission shaft are respectively installed on the left transmission shaft and the right transmission shaft. Gears, the left transmission gear and the right transmission gear mesh with the driving gear respectively. The left turntable is fixed on the left drive shaft by screws, and the right turntable is fixed on the right drive shaft by screws.
齿轮传动机构通过齿轮箱体固定在支撑机构上。The gear transmission mechanism is fixed on the support mechanism through the gear box body.
本发明的工作原理：Working principle of the present invention:
当伺服电机启动时，安装在电机输出轴上的主动齿轮带动与之啮合的左传动齿轮和右传动齿轮反向转动，从而带动左转盘和右转盘反向转动，左转盘和右转盘转动分别带动左活销和右活销运动，当左活销和右活销运动至左凸轮和右凸轮的高点位置时，左、右活销后端分别插入左、右挡板下端的通孔内，并带动左连杆铰链和右连杆铰链摆动，使固定在左连杆铰链和右连杆铰链上的左推压手柄和右推压手柄压缩气囊从Ⅰ位置到Ⅱ位置，挤压气囊中的氧气从排气管输送到病人口中；左转盘和右转盘继续运动，左、右活销继续转动，当其运动至对应的凸轮的低点位置时，活销与挡板脱开，也即与左、右连杆铰链脱开，则通过气囊的进气管进来的氧气又使左、右推压手柄从位置Ⅱ回到位置Ⅰ；就这样左、右推压手柄从位置Ⅰ运动到位置Ⅱ，再从位置Ⅱ回到位置Ⅰ，如此有规律的挤压气囊，使其中的氧气有规律的送到病人的口中，从而完成连续吸氧过程。When the servo motor starts, the driving gear installed on the output shaft of the motor drives the left and right transmission gears meshing with it to rotate in reverse, thus driving the left and right turntables to rotate in reverse, and the left and right turntables The rotation of the disk drives the left and right live pins to move respectively. When the left and right live pins move to the high point position of the left cam and the right cam, the rear ends of the left and right live pins are respectively inserted into the lower ends of the left and right baffles. into the through hole, and drives the left link hinge and the right link hinge to swing, so that the left push handle and the right push handle fixed on the left link hinge and the right link hinge compress the air bag from position I to position II, squeeze The oxygen in the compressed air bag is transported from the exhaust pipe to the mouth of the patient; the left and right rotary discs continue to move, and the left and right live pins continue to rotate. When they move to the low position of the corresponding cam, the live pin and the baffle Disengage, that is, disengage from the left and right connecting rod hinges, then the oxygen coming in through the air intake pipe of the airbag will make the left and right push handles return from position II to position I; Ⅰ moves to position Ⅱ, and then returns to position Ⅰ from position Ⅱ, so that the air bag is squeezed regularly, so that the oxygen in it is sent to the patient's mouth regularly, thereby completing the continuous oxygen inhalation process.
因为伺服电机能数字控制，可无极调速且具有调速稳定等特点，所以通过调整伺服电机的速度，便可调整控制所需的推杆手柄的力量，从而获得所需的吸氧频率和吸氧量。Because the servo motor can be digitally controlled, it can be steplessly adjusted and has the characteristics of stable speed adjustment, so by adjusting the speed of the servo motor, you can adjust and control the force of the push rod handle required to obtain the required oxygen inhalation frequency and inhalation. Oxygen.
由于采用上述技术方案，本发明具有稳定性高，操作方便，调整简单等优点，解决了病人和家属可以自己轻松控制操作呼吸器的实际问题。Due to the adoption of the above technical solution, the present invention has the advantages of high stability, convenient operation, simple adjustment, etc., and solves the practical problem that patients and family members can easily control and operate the respirator by themselves.
附图说明Description of drawings
图1是本发明的结构示意图。Fig. 1 is a schematic structural view of the present invention.
图2是本发明图1的左视图。Fig. 2 is a left side view of Fig. 1 of the present invention.
图3是本发明图1的A–A剖视图。Fig. 3 is an A-A sectional view of Fig. 1 of the present invention.
具体实施方式detailed description
图中：包括气囊18、伺服电机12、支撑机构、气囊压缩机构、齿轮传动机构，其特征在于：Among the figure: comprise airbag 18, servomotor 12, support mechanism, airbag compression mechanism, gear transmission mechanism, it is characterized in that:
支撑机构：包括前支板3、后支板19、横支板6。前支板3通过四个螺栓29与横支板6连接，横支板6的后端与后支板19焊接在一起，从而使它们成为坚固的一体，称为支撑机构。气囊18两端分别固定在支撑机构的前、后支板3和19上，其前后安装了进气管20和排气管21，它们分别与气囊进气口和排气口相连。Support mechanism: including the front support plate 3, the rear support plate 19, and the transverse support plate 6. The front support plate 3 is connected with the cross support plate 6 by four bolts 29, and the rear end of the cross support plate 6 is welded together with the rear support plate 19, so that they become a solid one, which is called a support mechanism. Air bag 18 two ends are respectively fixed on the front and rear support plate 3 and 19 of support mechanism, and air intake pipe 20 and exhaust pipe 21 are installed before and after it, and they link to each other with air bag air inlet and exhaust port respectively.
气囊压缩机构：包括气囊右边压缩机构和气囊左边压缩机构。Airbag compression mechanism: including airbag right compression mechanism and airbag left compression mechanism.
气囊右边压缩机构包括：右推压手柄22、右连杆铰链23、左挡板4、左转盘17、左销轴27、左活销15和左凸轮16。左挡板4上有一滑槽26和第一通孔28，左挡板4通过左销轴27与右连杆铰链23连接，左销轴27沿滑槽26方向运动，左转盘17上加工一轴孔，外套弹簧的左活销15安装在此孔内，左活销15的一端抵顶在齿轮箱盖8上，左凸轮16和右凸轮32固定在齿轮箱盖8上，左活销15沿左凸轮16表面往复运动，当左活销15沿左凸轮16表面从低点运动到高点时，则使左活销15后端插入左挡板4下端的通孔28内，并带动右连杆铰链23摆动，使固定在其上的右推压手柄22压缩气囊。The compression mechanism on the right side of the airbag comprises: the right push handle 22, the right connecting rod hinge 23, the left baffle plate 4, the left rotating disk 17, the left bearing pin 27, the left live pin 15 and the left cam 16. There is a chute 26 and the first through hole 28 on the left baffle plate 4, the left baffle plate 4 is connected with the right link hinge 23 by the left pin shaft 27, the left pin shaft 27 moves along the chute 26 direction, and the left turntable 17 is processed A shaft hole, the left live pin 15 of the jacket spring is installed in this hole, one end of the left live pin 15 is against the gear case cover 8, the left cam 16 and the right cam 32 are fixed on the gear case cover 8, the left live pin 15 reciprocates along the surface of the left cam 16, when the left live pin 15 moves from a low point to a high point along the surface of the left cam 16, the rear end of the left live pin 15 is inserted into the through hole 28 at the lower end of the left baffle plate 4, and drives Right link hinge 23 swings, and the right push handle 22 that is fixed on it compresses the air bag.
气囊左边压缩机构包括：左推压手柄1、左连杆铰链2、右挡板24和右转盘25、右销轴30、右活销7和右凸轮32。气囊左边压缩机构在结构和工作原理上与气囊右边压缩机构相同。The compression mechanism on the left side of the airbag comprises: a left push handle 1, a left link hinge 2, a right baffle plate 24, a right rotating disk 25, a right pin shaft 30, a right live pin 7 and a right cam 32. The compression mechanism on the left side of the airbag is the same as the compression mechanism on the right side of the airbag in terms of structure and working principle.
气囊左、右两边的压缩机构，由于其左、右连杆铰链2和23交叉设置，所以它们通过一个连接销轴5固定在支撑机构上。The compression mechanisms on the left and right sides of the airbag are fixed on the supporting mechanism by a connecting pin 5 because the left and right connecting rod hinges 2 and 23 are intersected.
齿轮传动机构包括齿轮箱体9、齿轮箱盖8、左传动齿轮14、右传动齿轮11、伺服电机12。伺服电机12固定在齿轮箱体9上，伺服电机12输出轴上安装了主动齿轮13，齿轮箱9内还分别固定安装了左传动轴10和右传动轴31，左传动轴10和右传动轴31上分别安装了左传动齿轮14和右传动齿轮11，左传动齿轮14、右传动齿轮11分别与主动齿轮13啮合。左转盘17通过螺钉固定在左传动轴10上，右转盘25通过螺钉固定在右传动轴31上。The gear transmission mechanism comprises a gear box body 9, a gear box cover 8, a left transmission gear 14, a right transmission gear 11, and a servo motor 12. The servo motor 12 is fixed on the gear box body 9, and the driving gear 13 is installed on the output shaft of the servo motor 12. The left transmission shaft 10 and the right transmission shaft 31 are also fixedly installed in the gear box 9, and the left transmission shaft 10 and the right transmission shaft Left transmission gear 14 and right transmission gear 11 are respectively installed on 31, and left transmission gear 14, right transmission gear 11 mesh with driving gear 13 respectively. The left turntable 17 is fixed on the left drive shaft 10 by screws, and the right turntable 25 is fixed on the right drive shaft 31 by screws.
齿轮传动机构通过齿轮箱体9固定在支撑机构上。The gear transmission mechanism is fixed on the support mechanism through the gear box body 9 .
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| CN109279579A (en) * | 2017-07-20 | 2019-01-29 | 湖南新云医疗装备工业有限公司 | A kind of oxygenerator with function of increasing pressure |
| US11045621B2 (en) * | 2017-09-17 | 2021-06-29 | Ujala Technologies | Implementation of a low-cost breathing support device |
| CA3081940C (en) * | 2018-07-17 | 2023-10-03 | Biodesign Innovation Labs Private Limited | An electro-mechanical resuscitating apparatus |
| CN114534034B (en) * | 2020-11-25 | 2024-05-28 | 天津工业大学 | Multi-connecting-rod simple respirator device capable of quickly changing air outlet quantity |
| CN112642033B (en) * | 2020-12-17 | 2023-05-26 | 李春洁 | Automatic presser of artificial respiration air bag |
| CN112973037A (en) * | 2021-02-05 | 2021-06-18 | 韩育 | Breathing auxiliary equipment for patients with pulmonary dysfunction |
| WO2022244009A1 (en) * | 2021-05-20 | 2022-11-24 | Respisafe Ltd | Respiratory support device and cartridge for use therewith |
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| CN103751894A (en) | 2014-04-30 |
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