CN214129408U

CN214129408U - Emergency department is with cardiopulmonary resuscitation first aid device

Info

Publication number: CN214129408U
Application number: CN202021904228.0U
Authority: CN
Inventors: 田野
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-09-07
Anticipated expiration: 2030-09-03

Abstract

The utility model relates to a cardiopulmonary resuscitation first aid device for emergency department. The first-aid device comprises a support frame body, a pressure applying device and a breathing device. The support frame body comprises adjustable support legs, an adjusting sleeve and a main guide pipe hinged with the support legs. The outer wall of the main catheter is movably connected with a pressure applying device, the pressure applying device comprises a pressure applying guide rod and a force applying pressure rod, the front end of the pressure applying guide rod is connected with a pressure applying bag, and the pressure applying pressure rod can be pressed to drive the pressure applying guide rod to move downwards to control the pressure applying bag to extrude the thoracic cavity of the patient. Meanwhile, the other side of the force application pressure rod, which is opposite to the pressure applying guide rod, is also connected with a gas storage device communicated with an oxygen supply device and a breathing mask, and the gas storage device can infuse oxygen into a patient in an alternative mode with the pressing motion of the pressure applying bag along with the motion of the force application pressure rod so as to provide breathing assistance for the patient and increase the rescue efficiency of the patient.

Description

Emergency department is with cardiopulmonary resuscitation first aid device

Technical Field

The utility model belongs to the technical field of this medical appliances, especially, relate to a cardiopulmonary resuscitation first aid device for emergency department.

Background

Sudden cardiac arrest refers to sudden cardiac arrest caused by various reasons and in unexpected situations and times, which results in sudden cessation of effective cardiac pump function and effective circulation, resulting in severe ischemia, hypoxia and metabolic disorders of systemic tissue cells, such as sudden death (also called sudden cardiac death) occurring within minutes after symptoms appear, if prompt rescue is not performed. Cardiopulmonary resuscitation (CPR) helps to sustain the life of a patient with cardiac arrest. Cardiopulmonary resuscitation maintains the blood oxygen supply to the heart and brain, and then defibrillates the heart. The manner of chest compression on a patient can simulate the bleeding of a heart 'pump', so that blood is supplied to the brain and important organs of the patient, and the oxygen demand of the organs is met. The key point of cardiopulmonary resuscitation is continuous and effective chest compression, but most medical staff have physical strength which is reduced after about 2 minutes of compression, and the uniform compression frequency is difficult to maintain continuously, so that the cardiopulmonary resuscitation (CPR) is implemented by mechanical assistance which saves physical strength, thereby being beneficial to improving rescue efficiency.

In view of the above circumstances, CN111388305A discloses a cardiopulmonary resuscitation emergency device for emergency department. Including the service creeper, the bottom of service creeper is provided with a supporting bench, and the top left side of service creeper is provided with the support frame, and the right side top fixed mounting of support frame has the horizontal pole, and the bottom right-hand member of horizontal pole is fixed and is provided with the montant. The lower part of the vertical rod is rotatably provided with a connecting rod through a rotating shaft, the left lower side of the connecting rod is provided with an air supply cylinder body, and the air supply cylinder body is fixedly connected with the right side of the support frame through a support. A piston is movably arranged in the air supply cylinder body, a piston rod is fixedly connected to the top of the piston, and the top of the piston rod movably penetrates through the upper portion of the air supply cylinder body. The bottom middle part of horizontal pole fixed mounting has electronic telescoping device, and the top fixed connection of electronic telescoping device's output and piston rod, drives the piston rod through electronic telescoping device's output and produces the motion of upper and lower alternation, absorbs oxygen when the piston rod goes upward, exports oxygen when going downward. The utility model discloses a heart chest compression bag, including air feed cylinder body, right side top fixedly connected with horizontal frame of air feed cylinder body, the right-hand member fixedly connected with uide bushing of horizontal frame, it has the lift post to slide to run through along vertical direction in the uide bushing, the left side top fixedly connected with right connecting rod of lift post, and the right-hand member and the right connecting rod sliding connection of connecting rod, the right side fixedly connected with left connecting rod that is located the piston rod of air feed cylinder body top, and the left end and the left connecting rod sliding connection of connecting rod, the bottom of lift post is equipped with the depression bar through adjusting bolt locking cover, and the bottom of depression bar is used for the outside pressing bag that presses of patient heart chest through clamp plate fixedly connected with, and the piston rod through up-and-down alternate motion drives connecting rod left end upwards or downstream, and then drives the lift post downwards or upward movement to respiratory and chest are pressed alternate cardiopulmonary resuscitation who goes on. The right side bottom of air feed barrel is connected with the respiratory mask through supplying the oxygen pipe, and is provided with the fixed band on the respiratory mask, the left side bottom of air feed barrel is connected with the oxygen cylinder through oxygen uptake pipe for the air feed.

The device provides power through electric telescopic handle, and the piston that drives the air feed barrel reciprocates, cooperates cardiopulmonary pressing device to realize keeping on pressing and breathing supplementaryly of rule. But the device has larger volume and is inconvenient to move; and need move the patient to the service creeper of brace table earlier when saving the patient, need many people to cooperate to the patient that the weight is heavier, not only very hard but also wasted valuable first aid time.

CN209827517U discloses a portable cardiopulmonary resuscitation first-aid device, which comprises a supporting device and a pressing device, wherein the supporting device comprises a main catheter and a leg device. The pressing device comprises a force application pressure rod, a pressing guide rod, a pressing plate and a reset component. The support leg device comprises an adjusting sleeve and a support leg rod, the upper end of the support leg rod is in hooping fit with the upper part of the adjusting sleeve, and the lower section of the adjusting sleeve is in adjustable hooping fit with the lower section of a main catheter of the pressure device. The main catheter of the supporting device is in sleeve-joint sliding fit with the pressure applying guide rod of the force applying device, the lower end of the pressure applying guide rod is connected with the pressure applying plate, a user presses the force applying pressure rod, and the force applying pressure rod compresses the resetting part to apply pressure along the direction guided by the pressure applying guide rod, so that the pressure applying plate presses the thoracic cavity part of a patient. Still install the press frequency suggestion device on this cardiopulmonary resuscitation first aid device, the user can carry out the continuation of law according to the frequency of this suggestion device and press. The pressure applying guide rod is in sliding fit with the inner wall of the main pipe through the reset component, and when a force applicator stops applying pressure to the pressure applying pressure rod, the reset component can bounce the pressure applying guide rod to reset to prepare for next pressing. The utility model discloses an adopt fixed stay and lever mechanism of exerting pressure to combine together, found the auxiliary device that can simulate artifical cardiopulmonary resuscitation first aid operation, it is easy and simple to handle, ordinary people utilizes this utility model to reach professional cardiopulmonary resuscitation first aid operation effect. However, the device only has the function of cardiopulmonary compression, and when the device is used, another person is required to blow air to the mouth of a patient, so that the device has certain limitation in use and limited rescue effect.

Disclosure of Invention

To the deficiency of the prior art, the utility model provides a cardiopulmonary resuscitation emergency treatment device for emergency department, the device is including supporting support body, pressure device and respiratory device. The support frame body comprises a main duct, an adjusting sleeve and an adjustable support leg hinged with the outer wall of the main duct. The outer wall of the main catheter is movably connected with a pressing device, the pressing device comprises a pressing guide rod and a force application pressure rod, the front end of the pressing guide rod is connected with a pressing bag, and the pressing guide rod can be driven to move downwards to control the pressing bag to extrude the thoracic cavity of the patient by pressing the force application pressure rod. Meanwhile, the other side of the force application pressure rod, which is opposite to the pressure applying guide rod, is also connected with a gas storage device communicated with an oxygen supply device and a breathing mask, and the gas storage device can infuse oxygen into a patient in an alternative mode with the pressing motion of the pressure applying bag along with the motion of the force application pressure rod so as to provide breathing assistance for the patient and increase the rescue efficiency of the patient.

According to a preferred embodiment, the cardiopulmonary resuscitation emergency device for emergency department comprises a support frame body, a pressure applying device and a breathing device, wherein the pressure applying device comprises a force applying pressure rod, an elastic reset component, a pressure applying guide rod and a pressure applying bag connected to the lower end part of the pressure applying guide rod, the breathing device comprises a gas storage device with a piston, one end of the force applying pressure rod of the pressure applying device is connected with a piston rod of the piston, the force applying pressure rod is rotatably installed on the support frame body through a supporting point, and the pressure applying guide rod is connected to the other side, opposite to the piston rod, of the force applying pressure rod, so that the pressure applying guide rod and the piston can do up-and-down movement in opposite directions along with the movement of the pressure applying guide rod due to the existence of the supporting point, and the device can alternately provide chest compression and breathing assistance for a patient.

According to a preferred embodiment, the support frame body comprises a main catheter, an adjusting sleeve and supporting legs, the supporting legs are hinged to the adjusting sleeve, the adjusting sleeve is adjustably connected with the lower section of the main catheter through a hoop lock on a sliding sleeve, and the supporting legs are convenient to open and store.

According to a preferred embodiment, the supporting point comprises an outer sleeve fixedly arranged on the outer wall of the main guide pipe and a rotating rod which penetrates through the outer sleeve and the force application pressure rod and is provided with threads at two ends, and the rotating rod is used for rotationally fixing the force application pressure rod on the outer wall of the main guide pipe through nuts matched with the threads at two ends.

According to a preferred embodiment, the breathing apparatus further comprises a breathing mask and an oxygen supply device, the oxygen supply device is connected with the gas storage device through an inlet conduit with a one-way valve, and the breathing mask is connected with the gas storage device through an outlet conduit with a one-way valve.

According to a preferred embodiment, the one-way valve of the inlet conduit is arranged in such a way as to allow only gas to flow from the oxygen supply means to the gas storage means; the one-way valve of the outlet conduit is arranged in such a way as to allow only gas to flow from the gas reservoir to the breathing mask.

According to a preferred embodiment, the piston is slidably and hermetically connected to the inner wall of the gas storage device, so that when the force application pressure rod moves downward to drive the piston rod to move upward to drive the piston to slide upward in the gas storage device, the generated pressure sucks oxygen in the oxygen supply device into the gas storage device for storage, and when the force application pressure rod moves downward to drive the piston to move downward, the stored oxygen is extruded out and conveyed to the breathing mask through the air outlet conduit to infuse oxygen to the patient.

According to a preferred embodiment, the pressure applying guide rod is movably connected to the other side of the pressure applying pressure rod opposite to the connecting piston rod through a large L-shaped sheet structure manufactured on the upper end of the pressure applying guide rod, so that the pressure applying pressure rod drives the pressure applying guide rod to press downwards in the direction limited by the main catheter when pressing downwards, and the pressure applying bag can extrude the thoracic cavity of the patient.

According to a preferred embodiment, two small L structures are symmetrically arranged on the end face of the large L-shaped sheet structure close to the pressing guide rod at a certain interval, and the upper end face of the elastic reset component is restrictively arranged between the two small L structures.

According to a preferred embodiment, the inner wall of the main catheter is provided with a structure for supporting the elastic reset component in a convex ring mode, so that the elastic reset component is limitedly sleeved below the top of the pressure applying guide rod and on the upper part of the main catheter so as to jack up the force applying pressure rod.

According to a preferred embodiment, the pressure applying guide rod is sleeved in the main catheter in a sliding mode, and the bottom end of the pressure applying guide rod is connected with a pressure applying bag used for applying pressure to the chest cavity of the patient.

The beneficial technical effects of the utility model include one of following at least:

first, the utility model discloses it is small, can support the use under the less space, the stabilizer blade pole can realize opening fast and pack up, and the space occupies for a short time.

Secondly, the utility model is convenient to use, when in use, the patient can be laid on the spot, the support legs are quickly opened and constructed on the patient, and the preparation time for rescue is saved; at emergency, when medical personnel are not enough, the family members of the patient can automatically implement professional rescue for the patient according to the rescue frequency prompt tone.

Third, the utility model discloses have breathing auxiliary device, when using, overlap the oxygen face guard in the patient overhead, according to leverage, through pressing application of force depression bar, can be so that press and go on in turn with the gas delivery process of oxygen face guard, realize that single professional thorax is pressed and is assisted the cardiopulmonary resuscitation first aid of going on in turn with breathing, improve rescue efficiency.

Drawings

Fig. 1 is an embodiment of a cardiopulmonary resuscitation emergency device dedicated for emergency department of the present invention;

fig. 2 is a schematic view of the connection between the pressure applying guide rod and the pressure applying pressure rod of the present invention.

List of reference numerals

1: force application pressure lever 2: anti-slip grip 3: elastic resetting device

4: main duct 5: and (3) a pressure applying guide rod 6: adjusting sleeve

7: support points 8: a piston rod 9: oxygen supply device

10: the air intake duct 11: piston 12: gas storage device

13: the air outlet duct 14: supporting legs 15: movable support rod

16: the pressure applying bag 17: the voice prompter 18: limiting groove

19: the breathing mask 20: large L-shaped sheet structure 21: small L-shaped structure

23: fixing screw

Detailed Description

The following detailed description is made with reference to the accompanying drawings.

The following detailed description is made with reference to fig. 1 and 2.

Fig. 1 shows an embodiment of the present invention. The cardiopulmonary resuscitation emergency device for the emergency department comprises a support frame body, a pressing assembly and a breathing device, wherein the support frame body comprises a main catheter 4, an adjusting sleeve 6 and supporting legs 14, and the pressing assembly comprises a force application compression bar 1, a pressure application guide rod 5, a pressure application bag 16 and an elastic reset component 3; the breathing apparatus comprises a breathing mask 19, a gas storage device 12 and an oxygen supply device 9. The breathing device comprises a gas storage device 12 connected with a force application pressure rod 1, wherein the gas storage device 12 is provided with a piston 11, when the force application pressure rod 1 in a compression assembly moves downwards to drive a pressure application guide rod 5 to move downwards so that a pressure application bag 16 compresses the chest cavity of a patient, the force application pressure rod 1 can drive the piston 11 of the gas storage device 12 to move upwards to generate suction force, and oxygen is sucked into the gas storage device 12 to be stored; when the force applying pressure rod 1 is elastically reset upwards under the action of the elastic reset part to drive the pressure applying bag 16 to release the pressure on the chest cavity of the patient, the force applying pressure rod 1 can drive the piston 11 of the air storage device 12 to move downwards to extrude the air into the breathing mask 19. The pressing device is connected with the reciprocating mechanism through one end, the thoracic cavity pressing part is arranged at the other end, the purpose of alternately performing thoracic cavity pressing and breathing assistance on a patient is achieved in a seesaw movement mode, and the rescue success rate is improved.

The upper ends of the supporting legs 14 in the supporting frame body are detachably hinged with the adjusting sleeve 6, and the adjusting sleeve 6 is sleeved outside the main catheter 4 in a sliding mode. The lower section of the adjusting sleeve 6 is in adjustable hooping connection with the lower section of the main catheter 4 of the supporting device by means of a hoop lock outside the lower section of the adjusting sleeve 6. The hoop lock may be implemented as a tapered bore lock nut with an eccentric flange snap-lock configuration that threadably mates with the end of the adjustment sleeve 6. The supporting feet 14 are evenly distributed on the lower part of the emergency device according to the circumference, the supporting feet 14 can also be implemented as telescopic supporting feet with a telescopic structure and a clamping structure, the inner sides of the middle parts of the supporting feet 14 are respectively hinged with a movable supporting rod 15, and the other ends of the movable supporting rods are hinged and matched with a sliding ring in sliding fit with the outer wall of the adjusting sleeve 6. The length of the protruding support legs can be adjusted adaptively according to the high demand of the environment through the clamping structure, so that the pressure applying bag 16 can be in the favorable pressure applying position to apply pressure to the heart of the patient.

The pressure applying guide rod 5 of the support assembly is slidably disposed inside the main catheter 4, and the lower section of the pressure applying guide rod 5 is connected with the pressure applying bag 16. The working end face of the pressure applying bladder 16 is provided with a cushion pad, which may be implemented as a rubber pad, a hard sponge pad, or a covered cotton pad.

The top end of the upper part of the pressure applying guide rod 5 is manufactured into two symmetrical large L-shaped sheet structures 20, the middle part of the upper end of each large L-shaped sheet structure is provided with a through hole, the inside of each through hole is provided with a thread, the thread can be matched with the thread of a fixing screw 23 penetrating through the pressure applying compression rod 1, and the pressure applying guide rod 5 is movably connected with the pressure applying compression rod 1 through the fixing screw 23. Two small L-shaped structures 21 which are opposite to each other are arranged at the lower part of the L-shaped structure in the direction close to the pressure guide rod according to a certain distance, and the size of the distance is matched with the size of the upper part of the elastic resetting device. The small L-shaped structure 21 is fixedly arranged on the end surface of the large L-shaped sheet structure close to the pressure applying guide rod. The elastic reset device is sleeved on the pressure applying guide rod 5, and the upper end of the elastic reset device is limited on the lower end surface of the large L structure by the two small L structures. A convex ring for supporting the elastic resetting device 3 is arranged in the upper end of the main catheter 4, so that the elastic resetting device 3 is limited to be sleeved between the pressure applying guide rod 5 and the main catheter 4, and the force applying pressure rod 1 can be jacked up.

In an embodiment of the invention, which is not shown, the large L-shaped sheet structure 20 may also be embodied as a circular-arc sheet structure surrounding the pressure application guide bar 5. The small L-shaped structure 21 can also be movably connected to the large L-shaped sheet structure 20 through a limiting device, so that the elastic resetting device 3 with different sizes can be conveniently adapted.

This application of force depression bar 1 rotates through the strong point 7 that is fixed in the outside of main duct 4 and is connected with 4 outer walls of main duct, and this strong point 7 can be implemented as outer tube fixed connection in 4 outsides of main duct, and interior loop bar runs through the outer tube and passes application of force depression bar 1, and the tip has screwed movable connection subassembly, and this movable connection subassembly rotates application of force depression bar 1 and strong point 7 through having both ends screw thread assorted nut and links together. So that the supporting point can be used as a stress point to support the pressure applying guide rod 5 to rotate around the axis of the supporting point vertical to the plane of the main catheter 4 in the plane parallel to the main catheter 4. A limiting groove 18 is also arranged on one side of the force applying pressure lever 1, and the limiting groove 18 can be implemented as a port which is opened on the main conduit 4 and takes the supporting point as a starting point to be downward and can accommodate the force applying pressure lever 1 to move up and down. Is used for limiting the moving range of the force application pressure rod 1, avoiding the injury of the patient due to too large force when applying pressure and also avoiding the disconnection of the piston 11 and the gas storage device. The middle and rear sections of the force applying pressure lever 1 are sleeved with an anti-slip grip 2, and the anti-slip grip 2 can be implemented as a plastic sleeve, a rubber sleeve or a cloth sleeve. The main duct 4 is also connected with a voice prompt device 17 outside to standardize the pressing frequency of the rescuer.

The breathing mask 19 of the breathing device is connected with the gas storage device 12 through a conduit, and the gas storage device 12 is communicated with the oxygen supply device 9 through a conduit. The gas storage device 12 is fixedly connected with the main conduit 4 through a strut, and a one-way gas valve is arranged at the joint of the gas storage device 12 and the gas outlet conduit connected with the breathing mask 19, and the one-way gas valve is set to only allow gas to flow from the gas storage device 12 to the breathing mask 19. A one-way gas valve is provided at the connection of the gas storage means 12 to the gas supply conduit to which the oxygen supply means 9 is connected, the one-way gas valve being arranged to allow gas to flow only from the oxygen supply means 9 to the gas storage means 12. So that oxygen can be unidirectionally transported from the oxygen supply 9 to the breathing mask 19 via the gas reservoir 12 to provide breathing assistance to the patient.

A piston 11 is movably arranged in the gas storage device 12, the top of the piston 11 is connected with a piston rod 8, and the lower part of the piston 11 is connected with the inner wall of the gas storage device 12 in a sliding and sealing manner. The piston rod 8 and the other end opposite to the end connected with the piston 11 are also connected with the top end of the force application pressure rod 1, so that the force application pressure rod 1 drives the piston 11 at one end of the piston rod 8 to slide up and down in the gas storage device 12 in the moving process, so as to realize the suction of oxygen from the oxygen supply device 9 through the gas inlet conduit 10 with the one-way valve and the delivery of the sucked oxygen to the breathing mask 19 through the gas outlet conduit 13 with the one-way valve.

The breathing mask 19 is provided with a fixing strap, an air inlet with a one-way valve for absorbing air from the outside and an air outlet with a one-way valve for discharging excess air to relieve excessive air pressure, and can be fixed on the head of a patient. Preferably, the fixing strap of the breathing mask 19 can be implemented as an elastic strap with two ends fixed on two sides of the breathing mask 19, and the elastic strap can quickly fix the breathing mask 19 on the head of the patient when the patient is rescued. The oxygen supplying means 9 may be implemented as an oxygen compression cylinder which is detachably placed on the outer wall of the main duct 4 through a ring having a buckle or a binding band, and the oxygen compression cylinder can be rapidly replaced by adjusting the position of the buckle and the tightness of the binding band, while also facilitating maintenance and repair.

It should be noted that the above-mentioned embodiments are exemplary, and those skilled in the art can devise various solutions in light of the present disclosure, which are also within the scope of the present disclosure and fall within the scope of the present disclosure. It should be understood by those skilled in the art that the present specification and drawings are illustrative only and are not limiting upon the claims. The scope of the invention is defined by the claims and their equivalents.

Claims

1. A cardiopulmonary resuscitation emergency device for emergency department, which comprises a support frame body, a pressure applying device and a breathing device, wherein the pressure applying device comprises a force applying pressure rod (1), an elastic reset component (3), a pressure applying guide rod (5) and a pressure applying bag (16) connected with the lower end part of the pressure applying guide rod, the breathing device comprises a gas storage device (12) with a piston (11), and the cardiopulmonary resuscitation emergency device is characterized in that,

pressure applying device's application of force depression bar (1) one end is connected with piston rod (8) of piston (11), application of force depression bar (1) rotates through strong point (7) and installs on supporting the support body, and the guide arm (5) of exerting pressure connect in the another side of relative piston rod (8) on application of force depression bar (1) for guide arm (5) and piston (11) of exerting pressure can be because the existence of strong point (7) is along with the motion of the guide arm (5) of exerting pressure and do opposite direction's up-and-down motion, make the device can be in turn provide the thorax for the patient and press and breathe supplementary.

2. The emergency device according to claim 1, characterized in that the support frame comprises a main duct (4), an adjusting sleeve (6) and support feet, the support feet are hinged with the adjusting sleeve (6), the adjusting sleeve (6) is adjustably connected with the lower section of the main duct (4) by a hoop lock on a sliding sleeve, so as to facilitate the opening and the storage of the support feet (14).

3. The emergency treatment device according to claim 2, characterized in that the support point (7) comprises an outer sleeve fixedly arranged on the outer wall of the main duct (4) and a turning rod with threads at both ends, which penetrates the outer sleeve and the force strut (1), and which rotationally fixes the force strut (1) to the outer wall of the main duct (4) by means of nuts matching the threads at both ends.

4. The emergency device according to claim 3, characterized in that the breathing device further comprises a breathing mask (19) and an oxygen supply device (9), the oxygen supply device (9) being in communication with the gas storage device (12) through an inlet conduit (10) with a one-way valve, the breathing mask (19) being in communication with the gas storage device (12) through an outlet conduit (13) with a one-way valve.

5. The emergency device according to claim 4, characterized in that the one-way valve of the inlet conduit (10) is arranged in such a way as to allow only the gas to flow from the oxygen supply means (9) to the gas storage means (12); the one-way valve of the outlet conduit (13) is arranged in such a way as to allow only gas to flow from the gas storage means (12) to the breathing mask (19).

6. The emergency treatment apparatus according to claim 5, wherein the piston (11) is slidably and tightly connected to the inner wall of the gas storage device (12), such that when the force applying strut (1) moves downward to drive the piston rod (8) to move upward to drive the piston (11) to slide upward in the gas storage device (12), the generated pressure sucks oxygen in the oxygen supply device (9) into the gas storage device (12) for storage, and when the force applying strut (1) moves downward to drive the piston (11) to move downward, the stored oxygen is squeezed out and conveyed to the breathing mask (19) through the gas outlet conduit to infuse oxygen to the patient.

7. The first aid device according to claim 6, characterized in that the pressure applying guide rod (5) is movably connected to the other side of the pressure applying rod (1) opposite to the connecting piston rod (8) by a large L-shaped sheet structure made on the upper end thereof, so that the pressure applying rod (1) drives the pressure applying guide rod (5) to press down in the direction limited by the main catheter (4) when pressing down.

8. Emergency device according to claim 7, characterised in that the end face of the large L-shaped sheet structure (20) close to the pressure guide (5) is provided with two small L-shaped structures (21) symmetrically at a distance from each other, between which the upper end face of the resilient return element (3) is restrictively mounted.

9. The emergency treatment device according to claim 8, characterized in that the inner wall of the main duct (4) is provided with a structure for supporting the elastic restoring component in a convex ring manner, so that the elastic restoring component is limitedly sleeved under the top of the pressure applying guide rod (5) and on the upper part of the main duct (4) to jack up the pressure applying compression rod (1).

10. The first aid device according to claim 9, characterized in that the pressure applying guide rod (5) is slidably sleeved inside the main catheter (4), and a pressure applying bag (16) for applying pressure to the chest cavity of the patient is connected to the bottom end of the pressure applying guide rod (5).