WO2015041396A1

WO2015041396A1 - Manual emergency resuscitation bag comprising device measuring amount of inhaled air

Info

Publication number: WO2015041396A1
Application number: PCT/KR2014/004157
Authority: WO
Inventors: 한상현
Original assignee: (주)웰텍
Priority date: 2013-09-22
Filing date: 2014-05-09
Publication date: 2015-03-26
Also published as: KR101730091B1; CN105611960A; KR20150103361A

Abstract

The present invention relates to a manual emergency resuscitation bag comprising a device measuring an amount of inhaled air, and more specifically, to a manual emergency resuscitation bag, comprising a device measuring an amount of inhaled air, for rapidly supplying oxygen if an emergency situation occurs such as during apnea of a patient having difficult spontaneous respiration.

Description

Manual first aid kit with air intake measurement

The present invention relates to a manual emergency resuscitation bag equipped with an air intake measurement device, and more particularly, a manual type with an air intake measurement device for quickly supplying oxygen in the event of an emergency such as stopping breathing of a patient having difficulty in spontaneous breathing It is about first aid kit.

In general, respiratory arrest occurs due to various causes such as respiratory central palsy, electroshock, intracranial hypertension, cerebral trauma, cervical spinal cord disorder, airway obstruction, and oxygen administration to patients with hypercarbonate gasses.

In this case, in order to prevent brain disorders caused by oxygen deficiency, it is necessary to treat it as quickly as possible. This is essentially used to supply oxygen to the body that lacks oxygen.

First-aid resuscitation bags are artificial respiration therapy apparatuses with relatively simple mechanisms used for first-aid clinical use, and there are various kinds of things such as attaching an accessory valve to the bag.

Oxygen inhalation is performed by connecting the O ₂ flow to the emergency resuscitation bag. This measure is performed promptly after an accident because the function of the tissue, especially the heart and the brain, is severely impaired due to the oxygen deficiency.

In addition, oxygen inhalation is carried out for the purpose of preventing these reactions due to the lack of oxygen causes an adverse reaction to the living body.

It is applied when there is a decrease in blood flow due to ischemic disease, shock, etc. If arterial saturation is 85% or less and arterial oxygen partial pressure of 50mmHg or less, it is an absolute indication of oxygen therapy.

In the method of using the first-aid resuscitation bag, a suitable mask suitable for the patient's mouth size is connected to the valve, and the air pocket is squeezed by adjusting the amount and speed according to the amount of air (oxygen) required by the patient.

According to this purpose, the amount of air inhaled and the speed of the first-aid resuscitation bag are emerging as an important factor in saving the disappearing life. Among them, the inhalation rate can be guided to the cycle of the biological signal of the surrounding medical equipment, etc., but it is not known how much oxygen to be supplied.

Thus, the Republic of Korea Patent Registration No. 1226450 shows a method to control the amount of air by compressing the corresponding area by displaying the compression area of the bag according to the size (weight) of the patient, but the actual injected air is actually important matter There was an unknown problem with respect to the amount of.

Meanwhile, Korean Patent Publication No. 10-2009-0042830 discloses a "cardiopulmonary resuscitation timer".

Looking at the prior art, it was to include a plurality of visual indicators arranged in an array that operates sequentially at a predetermined pace that fits the recommended pace for air supply time and / or chest compressions.

Therefore, the timing indicator can be used to adjust the resuscitation bag's operating pace and provide an adequate number of breaths.

However, since the prior art is to adjust the air supply timing that is most suitable for breathing, the flow rate of the forced air is not known accurately. Therefore, the supply amount may change depending on the force of the surgeon's pressing the resuscitation bag. There was a limit to identifying supply.

In addition, there is a problem that the contamination of the measuring device due to the foreign body spewing during the air supply from the patient is contaminated hygiene, and fall into an inoperable state.

The present invention has been made to solve the above problems of the prior art, by providing a measuring unit for measuring the flow rate of air to measure the amount of air injected in real time to achieve the proper air injection, and also the patient vomiting It is an object of the present invention to provide a manual first-aid resuscitation bag equipped with an air intake measurement device to prevent foreign substances from contaminating the measurement unit.

An object of the present invention, the inlet and the outlet is formed with an air bag, and connected to the outlet of the air bag comprises a mask which is in close contact with the mouth of the patient, is mounted to connect the outlet and the mask of the air bag is the amount of air transport It includes a measuring unit for measuring, The measuring unit, the body consisting of the inlet pipe connected to the outlet of the air bag, the outlet pipe is connected to the inlet pipe and one end is connected to the mask; A flow rate sensing means inserted into the body and sensing a flow amount of air; Manual emergency resuscitation provided with an air intake measurement device including; a central processing unit connected to the flow rate sensing means for calculating the flow rate of air and a liquid crystal unit for receiving a signal from the central processing unit to display the flow rate of air; Can be achieved by the bag.

The flow rate sensing means may include a casing having both sides opened to form an inlet and an outlet and a passage formed therein; A propeller coupled to the inside of the casing; A wheel coupled to the outlet of the casing and composed of an outer ring and a plurality of wheels coupled to the inner side of the outer ring; And a sensor unit including a light emitting unit and a light receiving unit which are formed to face the propeller and the wheel, respectively.

A wireless transmission and reception unit connected to the flow rate detection means; A power supply unit supplying the power; It characterized in that it comprises a switch unit for intermittent power supply of the power supply unit.

The wireless transmitter and receiver is characterized in that for selecting and using the frequency of the RF band. It is coupled to open and close to the outer side of the wheel and is open when air is introduced into the inlet of the body, characterized in that it comprises a barrier member for blocking when foreign matter flows in from the outlet.

The barrier member is a thin plate coupled to the boss formed in the center of the wheel, the outer periphery is characterized in that it is formed in close contact with the outer ring and the spokes of the wheel.

The display device may include a motion recognition sensor so that the liquid crystal unit may be changed to a vertical mode or a left or right mode according to the degree of inclination of the first aid kit.

According to the present invention, by providing a measuring unit for measuring the flow rate of air, the amount of air injected is measured in real time and the amount of air measured is displayed on the liquid crystal part which is easily switched to the screen according to the position of the first aid bag, so that proper air injection This can be done so that the life-saving activity and also the effect that the durability of the foreign body so that the patient does not contaminate the measurement unit can be improved.

1 is a front view showing a manual first aid kit equipped with an air intake measurement device according to the present invention,

Figure 2 is an exploded view of the 'measurement unit' in the manual first aid kit equipped with air intake measurement apparatus according to the present invention,

Figure 3 is a front view of the 'measurement unit' in the manual first aid resuscitation bag equipped with air intake measurement apparatus according to the present invention,

Figure 4 is a bottom view of the manual emergency resuscitation bag equipped with an air intake measuring device according to the present invention 'measurement unit',

5 is a configuration diagram for the 'measurement unit' in the manual first aid kit with air intake measurement device according to the present invention,

6 and 7 are enlarged views showing the operation of the 'flow sensing means' in FIG.

8 is a graph of respiratory volume according to a manual first aid kit equipped with an air inhalation measurement device according to the present invention,

9 is a step-by-step illustration of the display of the display device of the present invention.

Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

The embodiments to be described below are intended to be described in detail so that those skilled in the art to which the present invention pertains can easily carry out the invention, and thus the technical spirit and scope of the present invention are limited. It does not mean.

In addition, the size or shape of the components shown in the drawings may be exaggerated for clarity and convenience of description, terms specifically defined in consideration of the configuration and operation of the present invention will vary depending on the intention or custom of the user or operator It should be understood that definitions of these terms should be made based on the contents throughout the specification.

In the accompanying drawings, Figure 1 is a front view showing a manual first aid kit equipped with air intake measurement apparatus according to the present invention, Figure 2 is a manual first aid kit equipped with air intake measurement apparatus according to the present invention 'measurement unit 3 is a front view of the 'measurement unit' in the manual emergency resuscitation bag equipped with an air intake measurement device according to the present invention, Figure 4 is a manual first aid resuscitation equipped with an air intake measurement device according to the present invention Figure 5 is a bottom view of the bag 'measurement unit, Figure 5 is a block diagram of the' measurement unit 'in the manual emergency resuscitation bag equipped with air intake measurement apparatus according to the present invention, Figure 6 and Figure 7 is a' flow rate ' 8 is an enlarged view showing the operation of the sensing means, FIG. 8 is a graph of respiratory volume according to a manual first aid kit equipped with an air inhalation measuring device according to the present invention.

As shown in Figures 1 to 8, the manual emergency resuscitation bag equipped with the air intake measurement apparatus according to the present invention, the inlet and the outlet is formed with an air bag 100, and connected to the outlet of the air bag 100 It comprises a mask 200 which is in close contact with the mouth of the patient, is mounted to connect the outlet of the air bag 100 and the mask 200 is configured to include a measuring unit 300 for measuring the air transfer amount.

The air bag 100 is to artificially put the air into the lungs, the material is mainly used a silicone material that is harmless to the human body does not have good resilience and smell.

On the other hand, the amount of air inhaled and the speed of the first aid kit is an important factor to save life.

Accordingly, in the present invention, the measuring unit 300 is provided to measure the flow rate of the air sucked.

The measuring unit 300, the inlet pipe 321 is connected to the outlet of the air bag 100, one end is connected to the inlet pipe 321 and the other end is connected to the outlet pipe (200) ( Body 320 composed of 323; A flow rate sensing means 340 inserted into the body 320 and sensing a flow amount of air; A display device comprising a central processing unit 350 connected to the flow rate detecting unit 340 for calculating the flow of air, and a liquid crystal unit 362 for receiving a signal from the central processing unit 350 to display the flow of air. 360).

As shown in FIG. 9, the indications displayed on the liquid crystal part 362 of the display device 360 begin breathing to the patient through the initiation step [A], and the patient in the large and small setting step [D] of the patient. Set the Adult, Child, and Infant in consideration of the small and large size, and the lifesaving activity is carried out through the intake phase [B] in accordance with the setting. The display step [C] is reached. In addition, if necessary, it may be configured as an iterative reproducing step [E] for reproducing the results carried out for each step already performed or for each individual or number of cases.

On the other hand, the flow rate sensing means 340 is a turbine method is applied.

One embodiment of the flow rate sensing means 340, the both sides of the opening is formed in the inlet and outlet, the passage is formed therein transparent casing 342; A propeller 344 coupled to the inside of the casing 342; A wing 345 formed coaxially with the propeller 344; Wheels 346 coupled to the outlet of the casing 342 and composed of a plurality of wheels 346-4 coupled to the inner ring 346-2 and the outer ring 346-2; It is formed on the outside of the casing 342 and comprises a sensor unit for sensing the front of the wing 345.

The sensor part is formed on the inner circumferential surface of the body 320 toward the outlet pipe 323, and the light emitting part 347 and the light receiving part 348 face each other. Preferably, the light emitting part 347 and the light receiving part 348 are at least two. More than one pair is formed.

The light emitting unit 347 and the light receiving unit 348 are disposed outside the casing 342 so as to detect rotation of the wing 345.

As the air bag 100 is pumped, air passes through the measurement unit 300 connected to the air bag 100.

That is, the propeller 344 and the blade 345 rotate at the same speed by the supplied air, and the sensor unit senses the rotation of the blade 345 by the light emitting unit 347 and the light receiving unit 348. When the light emitted and received is sensed to be intermittently blocked / opened by the blade 345, the central processing unit 350 calculates the air supply amount in consideration of the rotational speed.

The air supply amount calculated by the central processing unit 350 is displayed by the digital number in the liquid crystal unit 362.

Therefore, the rescue personnel can accurately grasp the flow rate of the air injected through the liquid crystal unit 362 can help the rescue activities.

Meanwhile, the central processing unit 350 connected to the flow rate detecting unit 340 includes a wireless transmitting and receiving unit 370; A power supply unit 380 for supplying power; It comprises a switch unit (sw) for intercepting the power supply of the power supply unit.

The radio transceiver 370 selects and uses a frequency of an RF band. Therefore, the central processing unit 350 displays the result value to the liquid crystal unit 362 and simultaneously transmits and stores data to an external server through the wireless transmitting and receiving unit 370, and also provides information to other emergency services. Can be.

Meanwhile, the display device 360 includes an operation recognition sensor 39 capable of recognizing the degree of inclination of the first aid kit or the display device, so that the liquid crystal unit 362 can be changed to a vertical mode or a left or right mode. Therefore, the paramedic or the medical staff can easily recognize the value displayed on the liquid crystal unit 362.

The motion recognition sensor 390 may be selected from an acceleration sensor, a geomagnetic sensor, a gyroscope, and an altitude sensor.

Therefore, when the first-aid resuscitation bag of the present invention is worn on the patient and the air is supplied to the patient, the position of the patient changes due to the rotation of the rejuvenation bag. The value can be easily checked by the medical staff.

On the other hand, if the patient spews foreign substances in the first aid process flows into the flow detection means 340 problems such as contamination or failure occurs, so that the blocking member 349 is included.

That is, the blocking membrane member 349 is coupled to open and close to the outside of the wheel 346 is opened when the air is introduced into the inlet of the body is opened and opened, and when the foreign matter is introduced back from the outlet, the flow rate detecting means 340 Since it is in close contact with the wheel 346 of the) is operated to prevent contamination of the flow rate detection means (340).

In one embodiment, the barrier member 349 is a soft thin plate that is coupled to the boss formed in the center of the wheel 346, and covers the outer ring 346-2 and the spokes 346-4 of the wheel 346. It is formed to be.

Therefore, as shown in FIG. 6, in the process of moving (supplying) the air from the lower side to the upper side of the drawing by normal breathing, the air passing through the wheel 346 is turned down by pushing the blocking member 349 to prevent the air. It is possible to move enough.

On the other hand, as shown in Figure 7, when the foreign matter flows back from the upper side of the blocking film member 349 is unfolded and in close contact with the wheel 346, foreign matter is blocked to prevent flow into the flow detection means 340 flow rate detection means 340 ) Contamination and malfunction can be prevented.

As described above, the manual emergency resuscitation bag equipped with the air intake measuring apparatus according to the present invention displays a result of the analog processing of the air flow rate detected through the sensor unit, and displays the result value in the liquid crystal unit 362 by the operator and The doctor informs the doctor about the amount of air introduced each time, and the central processing unit also sends the results to the outside through the wireless transmitter / receiver 370 to record the results every time or to provide information to other institutions such as medical institutions, 119 or 1339. Data can be transferred.

The formula for respiratory volume is as follows. In addition, the correlation between the time t and the respiratory volume l is as shown in FIG. 8.

Although the present invention has been described in connection with the above-mentioned preferred embodiments, it will be readily apparent to those skilled in the art that various modifications and variations can be made without departing from the spirit and scope of the invention, all such modifications and modifications being attached It is obvious that the claims belong to the claims.

100; Airbag 200: Mask

300: measuring unit 320: body

340: flow rate detection means 342: casing

344: propeller 346: wheels

349: barrier member 360: display device

Claims

An air bag having an inlet and an outlet formed therein, and a mask connected to the outlet of the air bag and closely attached to the mouth of the patient,

It is mounted to connect the outlet and the mask of the air bag and includes a measuring unit for measuring the air transfer amount,

The measuring unit,

An inlet pipe connected to an outlet of the air bag;

A body having one end connected to the inlet pipe and the other end connected to the mask;

A flow rate sensing means inserted into the body and sensing a flow amount of air;

And a display device connected to the flow rate sensing means, the central processing unit configured to calculate an air flow rate, and a liquid crystal unit receiving a signal from the central processing unit to display the air flow rate.

The flow rate detection means,

A casing having both sides opened to form an inlet and an outlet and a passage formed therein;

A propeller coupled to the inside of the casing;

A wheel coupled to the outlet of the casing and composed of an outer ring and a plurality of wheels coupled to the inner side of the outer ring;

A sensor unit including a light emitting unit and a light receiving unit which are formed to face the propeller and the wheel, respectively;

Manual emergency resuscitation bag comprising a.
The method of claim 1,

A blocking membrane member coupled to the outside of the wheel to be openable and close and open when air enters the inlet of the body, and is blocked when foreign matter is introduced from the outlet;

Manual emergency resuscitation bag comprising a.
The method of claim 2,

The barrier member is

Passive first aid kit, characterized in that the thin plate is coupled to the boss formed in the center of the wheel, the outer circumference is in close contact with the outer ring and the spokes of the wheel.
The method of claim 1,

A wireless transmission and reception unit connected to the flow rate detection means;

A power supply unit supplying the power;

And a switch unit intermittent to supply power to the power supply unit.

The display device,

Manual first aid kit, characterized in that the motion recognition sensor is included so that the liquid crystal unit can be changed to the vertical mode or the left and right modes according to the degree of tilting the first aid kit.