WO2007012227A1

WO2007012227A1 - An asphyxia rescuring apparatus

Info

Publication number: WO2007012227A1
Application number: PCT/CN2005/001335
Authority: WO
Inventors: Keping Jiang
Original assignee: Keping Jiang
Priority date: 2005-07-25
Filing date: 2005-08-26
Publication date: 2007-02-01
Also published as: CN2808130Y

Abstract

An asphyxia rescuring apparatus includes a case and a fixing strap which fixed the case on a person. There are an air inlet pipe, a ventilating pipe and oxygen supplying pipe in the inner chamber of the case. Three of the pipes are all set on the case, the inner end of the said air inlet pipe connects to the motion source gas circuit switch valve and oxygen source gas circuit switch valve; An air cylinder is located in the inner chamber of the case. A piston rod of the air cylinder sets through the case, and there is a compression board at the outer end of the piston rod. The said motion source gas circuit switch valve has two air outlet holes which connect to two air inlet holes of the air cylinder; the said air outlet pipe and oxygen supplying pipe are both connect to the oxygen source gas circuit switch valve.

Description

Asphyxiating rescue machine

The present invention relates to the field of medical devices, and more particularly to a device for salvaging asphyxiants.

Background technique

In the emergency rescue of suffocation caused by drowning, electric shock, gas poisoning, etc., most of them use hand-hammered cardiac resuscitation and mouth-to-mouth resuscitation. Hand-operated hammer-type cardiac resuscitation is a method of manual compression. People who perform resuscitation are more prone to fatigue. At the same time, excessive force will cause the victim to have a thoracic fracture and intrathoracic hemorrhage. The weak force will not achieve the purpose; especially the strength When small elderly people, women, and children perform hand-hammered cardiac resuscitation, the effect of rescue is very poor because they cannot reach the force of forced cardiac resuscitation. The mouth-to-mouth artificial respiration method is simple to operate, but the rescuer can easily inhale the gas in the patient's lungs, which will cause damage to the rescuer, and the gas inhaled by the rescued person is mostly the exhaust gas of the human body, which cannot be rescued. effect.

In order to be able to rescue patients with asphyxia in time, a variety of solutions have been proposed. For example, the Chinese patent document discloses a portable oxygen lifesaving device (application number: 200320115629. 8), which includes an oxygen storage bottle, a switch, a pressure reducing valve, a gas pipe and a nasal mask, and one side of the oxygen storage bottle is provided at a bottle body of the waist carrying device, an inflation valve is arranged at the bottom of the bottle body; the switch is a lever type sliding switch for controlling the pressure reducing valve, and the switch is arranged at an upper part of the bottle body, And a switch setting box corresponding to and connected to the bottle body; the pressure reducing valve comprises an outer casing, an air inlet pipe, an air outlet nozzle and an air outlet adjusting switch.

Although the above device can rescue the asphyxiated patients to a certain extent, its function is very simple, only providing the patient with oxygen for breathing, without any device for assisting cardiopulmonary resuscitation. In the case of suffocation, the effect of the rescue is obviously not ideal. Disclosure of invention

The object of the present invention is to provide a well-designed suffocating rescue machine with reasonable design, simple structure, external cardiac compression and resuscitation for suffocating patients, and oxygen assisting for breathing; The structure is complex, the design is not reasonable enough, and it can only provide technical problems such as oxygen supply and single function.

Another object of the present invention is to provide a safe and reliable suffocating rescue machine that is easy to carry, easy to operate, and capable of promptly rescuing a patient in time. The prior art is difficult to operate and has low safety. It is easy to delay technical problems such as the rescue timing of patients.

Still another object of the present invention is to provide a suffocating rescue machine with high degree of automation, stable and reliable operation, wide application range, and good rescue effect; the prior art has low automation degree and small application range. It is not convenient for the old and weak women and children to operate, and the technical effects of the treatment are not ideal.

In order to achieve the above object, the present invention adopts the following technical solutions: The suffocation rescue device includes a housing and a fixing strap for fixing the housing to the human body, wherein the air inlet tube is provided in the inner cavity of the housing a gas pipe and an oxygen supply pipe, the outer ends of the three pipes are all disposed on the casing, and the inner end of the intake pipe is simultaneously connected with the dynamic source gas passage switching valve and the oxygen source gas passage switching valve; There is a cylinder, the piston rod of the cylinder passes through the housing, and the outer end of the piston rod is fixed with a pressing plate; the two air outlets of the dynamic source air switching valve are communicated with the two air inlets of the cylinder through the air pipe The inner ends of the air outlet pipe and the oxygen supply pipe are connected to the oxygen source gas path switching valve.

When the suffocation rescue machine is in use, the housing is fixed on the body of the asphyxiated patient by using a fixing strap, so that the pressing plate on the outer side of the housing is closely attached to the chest of the suffocating patient; then, the intake tube is connected to the oxygen source and controlled by the control circuit. The source gas path switching valve and the oxygen source gas path switching valve operate. Thus, on the one hand, oxygen enters the cylinder through the source gas path switching valve, controls the expansion and contraction of the piston rod, causes the pressing plate to generate pressure, and presses the chest of the asphyxiated patient; on the other hand, oxygen enters through the oxygen source gas path switching valve. The oxygen supply tube allows oxygen to enter the mouth of the asphyxiated patient; at the same time, the carbon dioxide in the mouth of the asphyxiated patient is discharged by using the air outlet tube to help the asphyxiated patient to breathe. The invention creatively utilizes oxygen as both a power source and an oxygen source, and realizes the supply of oxygen while pressing the asphyxiated patient, thereby eliminating the fatigue of manual hand-hammered cardiac resuscitation in real life, and mouth-to-mouth artificial respiration. The damage caused to the rescuer, and the effect of rescue is significantly better than the ordinary way. Therefore, the device can play an important role in the rescue of people suffering from hypoxia and suffocation in fire and mine accidents and other accidents; it can also be carried by patients with cardiopulmonary disease, and can be used first aid in case of illness to win more time to send to the hospital. rescue. At the same time, it is also suitable for places and patients prone to accidents and death due to lack of oxygen.

In order to facilitate the control, in the above-mentioned suffocation rescue machine, the dynamic source gas path switching valve and the oxygen source gas path switching valve are solenoid valves, and are respectively connected to the control circuit. The direction of oxygen is controlled by a solenoid valve to achieve the object of the invention.

In the above-described suffocation rescue machine, the inner end of the intake pipe is connected to the source gas path switching valve and the oxygen source gas path switching valve through a three-way joint.

In the above-described suffocation rescue machine, the two air outlets of the dynamic source air passage switching valve are respectively passed through the air tubes to the two chambers of the cylinder. The vent port is repeatedly switched as needed. When one chamber is ventilated, the other chamber stops venting. Due to the difference in air pressure between the two chambers, the piston rod of the cylinder is moved to drive the pressing plate to rescue the suffocating patient.

In the above-described suffocation rescue machine, the cylinder is disposed on the cylinder block of the inner cavity of the housing, and the pressing plate is fixed to the outer end of the piston rod through the positioning member. In order not to cause damage to the patient, a flexible cushion is generally provided on the surface of the pressing plate.

In the above-described suffocation rescue machine, the pressing plate can be housed in a recess provided in the housing.

In order to facilitate access, in the above-described suffocation rescue machine, the housing is provided with a socket.

In the above-described suffocation rescue device, the control circuit is connected to a rechargeable power source. There are various ways of suffocating the rescue machine and the human body. In the above-mentioned suffocating rescue machine, the two ends of the fixing belt are respectively provided with buckles, and the buckles connected to the buckles are provided on both sides of the housing. Mother seat; the fixing strap here can also be fixed on one side, One side of the activity.

In the above-described suffocation rescue machine, one or both of an electronic blood pressure machine or an electrocardiograph are connected to the control circuit, and the detection result is displayed by an electrocardiographic display provided on the casing.

Compared with the existing technology, the advantage of the suffocation rescue machine is that -

1. Reasonable design, simple structure, easy operation, perfect function, wide application range and high safety;

2, the rescue effect is good, can provide oxygen for asphyxiated patients, and can help them to breathe;

3. The use of oxygen as a power source effectively solves the problem of difficulty in providing working power in the field and outdoors.

DRAWINGS

1 is a schematic view showing the internal structure of a housing of a suffocation rescue machine provided by the present invention. 2 is a schematic view showing the gas path structure of the asphyxiating rescue machine provided by the present invention.

3 is a side elevational view showing the housing of the asphyxiating rescue machine provided by the present invention. 4 is a top plan view showing the housing of the suffocation rescue machine provided by the present invention. In the figure, 1, the housing; 2, the fixed belt; 3, the intake pipe; 4, the air outlet pipe; 5, the oxygen supply pipe; 6, the dynamic source gas circuit switching valve; 7, the oxygen source gas circuit switching valve; 9, piston rod; 10, pressing plate; 11, air outlet; 12, chamber; 13, air inlet; 14, control circuit; 15, three-way joint; 16, cylinder block; 17, positioning parts; 19; socket; 20, rechargeable power supply; 21, charging port; 22, buckle; 23, buckle female; 24, ECG display; 25, operation control screen; 26, trachea; Floor.

The best way to implement the invention

The technical solutions of the present invention will be further specifically described below through specific embodiments and in conjunction with the accompanying drawings.

As shown in FIGS. 1 and 3 and 4, the present suffocation rescuer includes a housing 1 and a fixing strap 2 for fixing the housing 1 to a human body. A buckle 22 is respectively disposed at two ends of the fixing strap 2, and a buckle female seat 23 connectable to the buckle 22 is disposed on both sides of the housing 1. On one side of the housing 1 is provided a socket 19, which can accommodate a human hand, so as to facilitate Take the suffocation rescue machine.

As shown in FIG. 2, an air intake pipe 3, an air outlet pipe 4 and an oxygen supply pipe 5 are disposed in the inner cavity of the casing 1, and the outer ends of the three pipes are all disposed on the casing 1, and the inner end of the intake pipe 3 passes through a three. The through joint 15 is simultaneously connected to the source gas path switching valve 6 and the oxygen source gas path switching valve 7. A cylinder block 16 is disposed in the inner cavity of the casing 1, and a cylinder 8 is disposed thereon. The piston rod 9 of the cylinder 8 passes through the casing 1. The outer end of the piston rod 9 is fixed to the pressing plate 10 through the positioning member 17. The outer layer of the pressing plate 10 is bonded to the cushion layer 27 made of a flexible material so that the pressing plate 10 avoids injury to the human body when it comes into contact with the human body. The pressing plate 10 can be received in a recess 18 in the housing 1.

The two air outlets 1 of the source air circuit switching valve 6 communicate with the two air inlets 13 of the cylinder 8 through the air pipe 26 so as to be in communication with the two chambers 12 of the cylinder 8, respectively. The inner ends of the outlet pipe 4 and the oxygen supply pipe 5 are connected to the oxygen source gas passage switching valve 7.

In the present embodiment, the source gas path switching valve 6 and the oxygen source gas path switching valve 7 are solenoid valves and are respectively connected to the control circuit 14. A charging power source 20 is connected to the control circuit 14. The charging power source 20 is housed in the casing 1, and the two terminals for charging are connected to the charging port 21 of the casing 1 through wires to facilitate charging by the charger.

An electronic blood pressure machine and an electrocardiograph are connected to the control circuit 14, and the detection result is displayed by an electrocardiogram display 24 provided on the housing 1.

As shown in Fig. 4, the housing 1 also has an operation control panel 25 connected to the control circuit 14. When operating the suffocating rescue machine, the button below the operation control panel 25 can be pressed, and the operation result can be displayed from the operation control panel 25.

When working, connect the intake pipe 3 to the oxygen source. The source gas path switching valve 6 and the oxygen source gas path switching valve 7 are controlled by the control circuit 14. The expansion and contraction of the piston rod 9 is realized by the difference in oxygen pressure between the two chambers of the cylinder 8, and the pressing plate 10 is moved to rescue the asphyxiated patient. The oxygen source gas path switching valve 7 is connected to the inner ends of the gas outlet pipe 4 and the oxygen supply pipe 5, and the mutual switching between the two is used to help the asphyxiated patient to breathe.

The oxygen source for oxygen supply can be a compressed oxygen cylinder or a hospital oxygen supply port. 05 001335. The oxygen cylinder is equipped with an oxygen cylinder valve and a pressure regulating valve. The external force of the rescue machine on the human heart and lung cavity is 20~: L20kg, frequency 75~: L00 times/min is compressed (100 or 75 times for adults and 100 times for children). It can be set to relax the compressed chest after 5 or 7 compressions. Input oxygen 250ml~1500ml, input frequency is 12~20 per minute. The power supply adopts 12V rechargeable lithium battery, which can be recharged more than 500 times. The external plug-in charger can be randomly configured, and the charging port 21 can also be plugged into the 220V AC power supply for charging.

Operation procedure for suffocating rescue machine -

1. Lay the patient flat, lying on the floor, use the pillow of the inflatable pillow to make the head recline, make the head, neck and torso straight, and the arms are outwardly shaped. The housing 1 of the suffocation rescue machine is fixed to the chest of the human body by the strap 2 .

2. Install the pressure reducing regulator on the oxygen cylinder and tighten with a wrench. One end of the trachea is inserted into the air outlet of the oxygen cylinder pressure reducing regulating valve, and the other end is inserted into the intake pipe 3 of the casing 1. The oxygen pipe is inserted into the oxygen supply pipe 5 of the casing 1, and a mask is provided at the end of the oxygen pipe.

3. Select the frequency and oxygen supply. The ratio of the number of times of compressing the core to the number of oxygen is 5:1; 7: 1 and 15: 2, 7:1 for children; the frequency of compressing the heart is 75~100 times/min for adults. , for children 100 times / minute; oxygen supply is 500ml or 750ml, children are 250ml.

4. Insert the end of the oxygen tube into the patient's mouth. Press the oxygen tube with one hand or pinch the oxygen tube with one hand and pinch the nose with one hand to prevent air leakage. If the patient is crunched, the mouth can be opened with an opener. If the patient's trachea is unobstructed, use a suction tube of a vacuum suction bottle to insert a foreign body from the nostril.

5. While the rescue is being performed, the heart rate electrode, the blood pressure electrode and the electrocardiographic electrode are brought into contact with the patient's body to observe changes in the electrocardiogram display 24.

6. If the heart rate of the rescued person exceeds 70 times per minute, the pressure can be stopped. The number of oxygen delivered alone is 12 times/minute or 15 times/minute, and the child can choose 20 times/minute.

About maintenance and backup preparation:

Power on once a month, the battery power and the oxygen pressure of the oxygen cylinder should be sufficient for use. The rescue machine can also be used for rescue personnel to participate in rescue training and learn to correctly grasp the rescue skills.

This suffocating rescue machine can be equipped with the following random accessories, which are housed in the same machine box:

1, charger (for rechargeable battery charging)

2, oxygen mask (placed on the mouth of the rescued person, to prevent biting, leaking)

3, mouthwash (open the rescued person)

4, negative pressure suction bottle, straw (to absorb the foreign body in the rescued trachea)

5, blood pressure sampler (Hoop wrist blood pressure sampling)

6, cardiac conduction electrode (suck on the upper limbs of the electrode)

7. Oxygen interface device connected with hospital oxygen pipe (with pressure regulation and filtering function)

8. Gas transmission tee connector (for connecting gas supply and vacuum suction bottle)

9, pillow neck inflatable cushion (pad neck back so that the head of the rescued back airway unobstructed)

10. Oxygen bottle strap (for back oxygen bottle if necessary)

11. Wrench (for decompression regulator)

12, small sand bag (for pad between the pressure plate and the heart).

The specific embodiments described herein are merely illustrative of the spirit of the invention. A person skilled in the art can make various modifications or additions to the specific embodiments described, or in a similar manner, without departing from the spirit of the invention or as defined by the appended claims. The scope.

Although the housing 1, the fixing belt 2, the intake pipe 3, the air outlet pipe 4, the oxygen supply pipe 5, the dynamic source gas passage switching valve 6, the oxygen source gas passage switching valve 7, the cylinder 8, and the piston rod 9 are used more frequently herein. The pressing plate 10, the air outlet 11, the chamber 12, the air inlet 13, the control circuit 14, the three-way joint 15, the cylinder block 16, the positioning member 17, the groove 18, the socket 19, the rechargeable power source 20, and the charging port 21 , buckle 22, buckle female 23, electrocardiogram 24, operation control panel 25, air tube 26, cushion 27, etc., but does not exclude the possibility of using other terms. These terms are only used to more easily describe and explain the nature of the invention; any of these additional limitations are inconsistent with the spirit of the invention.

Claims

Rights request

A suffocating rescue machine comprising a housing (1) and a fixing strap (2) for fixing the housing (1) to the human body, characterized in that the housing (1) is provided with a recess The air pipe (3), the air outlet pipe (4) and the oxygen supply pipe (5), the outer ends of the three pipes are all disposed on the casing (1), and the inner end of the intake pipe (3) simultaneously and the source gas path Switching valve

(6) Connected with the oxygen source gas switching valve (7); a cylinder (8) is arranged in the inner chamber of the housing (1), and the piston rod (9) of the cylinder (8) passes through the housing (1) The outer end of the piston rod (9) is fixed with a pressing plate (10); the two air outlets (11) of the dynamic source pneumatic switching valve (6) pass through the air pipe (26) and the cylinder (8) The two air inlets (13) are in communication; the inner ends of the air outlet pipe (4) and the air supply pipe (5) are connected to the oxygen source gas path switching valve (7).

The suffocation rescue machine according to claim 1, wherein the dynamic source gas path switching valve (6) and the oxygen source gas path switching valve (7) are solenoid valves and are respectively associated with the control circuit (14). ) Connected.

3. The suffocation rescue machine according to claim 2, wherein the inner end of the intake pipe (3) passes through a three-way joint (15) and the source gas path switching valve (6) and the oxygen source respectively. The pneumatic switching valve (7) is connected.

The suffocation rescue machine according to claim 3, wherein the two air outlets (11) of the dynamic source airway switching valve (6) pass through the air pipe (26) and the two cylinders (8) respectively. The chambers (12) are connected to each other.

The suffocation rescue machine according to claim 4, wherein the cylinder (8) is disposed on a cylinder block (16) of a cavity of the housing (1), and the pressing plate (10) passes through the positioning member ( 17) Attached to the piston rod (9).

6. A suffocation rescue machine according to claim 5, characterized in that said pressing plate (10) is accommodated in a recess (18) provided in the housing (1).

The suffocation rescue machine according to claim 6, characterized in that the housing (1) is provided with a socket (19).

The suffocation rescue machine according to any one of claims 1 to 7, which The utility model is characterized in that the control circuit (14) is connected with a rechargeable power source (20).

The suffocation rescue machine according to any one of claims 1 to 7, wherein the fixing strap (2) is provided with a buckle (22) at both ends thereof, respectively, in the housing

(1) On both sides, there is a snap-on socket (23) that can be connected to the buckle (22).

The suffocation rescue machine according to any one of claims 1 to 7, wherein the control circuit (14) is connected with a heart rate electrode, a blood pressure electrode and an electrocardiographic electrode; the heart rate electrode, The detection results of the blood pressure electrode and the electrocardiographic electrode are displayed by an electrocardiogram display (24) provided on the housing (1).