CN215024331U

CN215024331U - Breathing apparatus

Info

Publication number: CN215024331U
Application number: CN202120344981.7U
Authority: CN
Inventors: 张香云; 汪正一; 汪光云
Original assignee: Taizhou Wenling Tcm Medical Center
Current assignee: Taizhou Wenling Tcm Medical Center
Priority date: 2021-02-06
Filing date: 2021-02-06
Publication date: 2021-12-07
Anticipated expiration: 2031-02-06

Abstract

The utility model provides a respirator belongs to medical instrument technical field. It has solved the poor problem of current respirator stability. The respirator comprises a hollow box body, an air bag arranged in the box body and a driving piece which is arranged on the box body and can extrude the air bag, wherein the air bag is provided with an air inlet interface for air inlet and an air outlet interface for air outlet, the air inlet interface and the air outlet interface are communicated, and the box body is provided with a limiting structure for limiting the air inlet interface and the air outlet interface. The design through limit structure makes the interface of giving vent to anger of gasbag and the position of the interface of admitting air be injectd all the time, can also guarantee that the interface of giving vent to anger of gasbag and the interface of admitting air can not be established by box body shutoff or lid, guarantees the stability of this respirator.

Description

Breathing apparatus

Technical Field

The utility model belongs to the technical field of medical instrument, a respirator is related to.

Background

The respirator is auxiliary breathing equipment for artificial ventilation, and is an effective tool for emergency rescue when a patient breathes suddenly and has a heartbeat pause. Present simple and easy respirator commonly used generally by the gasbag, the check valve admits air, the check valve of giving vent to anger, parts such as face guard and breathing pipe constitute, breathing pipe communicates the check valve that admits air in proper order, the gasbag, give vent to anger check valve and face guard, artifical extrusion gasbag, the artificial respiration purpose is realized with the diastole through the compression of gasbag, but artifical extrusion gasbag need rely on user's clinical experience, gasbag extrusion frequency is too fast, when the degree of depth is too big, the increase of breathing pipe internal gas pressure, the slippage easily takes place for face guard and breathing pipe junction, extrusion frequency too slowly influences rescue.

To this chinese patent [ application No.: 2016100876611 simple respirator capable of automatically squeezing and controlling tidal volume comprises an air bag and two oppositely arranged clamping plates, wherein four rod pieces are connected between the two clamping plates, the four rod pieces are distributed in a rectangular shape, one clamping plate can slide along the axial direction of the rod pieces, the air bag is positioned in an interval formed by the two clamping plates and the four rod pieces in a surrounding manner, and the air bag is squeezed by controlling the positions of the clamping plates on the rod pieces, so that the automatic squeezing of the air bag is realized.

The gasbag is in order to realize self compression and diastole, generally adopt flexible material to make, above-mentioned respirator structure gasbag though set up in the interval that splint and member enclose, but the gasbag is not fixed a position on splint or member, the gasbag can be relative splint and member removal, the gasbag is when compression and diastole, the gasbag is relative splint and member emergence deflection displacement easily, when next compression gasbag, the gasbag can't receive the abundant extrusion of splint, produce effectual gas flow, poor stability, the rescue effect is poor.

Disclosure of Invention

The utility model aims at solving the problems in the prior art, and provides a respirator, which aims to solve the technical problems that: the prior respirator has poor stability.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a respirator, its characterized in that, includes inside hollow box body, sets up the gasbag in the box body and sets up the driving piece that just can extrude the gasbag on the box body, the gasbag has the interface of giving vent to anger that is used for admitting air and is used for giving vent to anger the interface, the interface of admitting air is linked together with the interface of giving vent to anger, be equipped with on the box body and carry out spacing limit structure to the interface of admitting air and the interface of giving vent to anger.

The air outlet interface and the air inlet interface of the air bag are limited through the limiting structure, so that two matching points are formed between the box body and the air bag, the air bag and the box body can be relatively positioned, and the displacement of the air bag relative to the box body and the deflection of the air bag and the box body in the extrusion and relaxation states are limited to a certain extent; even the gasbag takes place the deflection or the displacement of certain degree, because the interface of admitting air on the gasbag is in by limit state with the interface of giving vent to anger, so the interface of admitting air of gasbag is certain with the position of the interface of giving vent to anger, can not take place to be covered or the condition of buckling etc. by the box body, make the gaseous stable circulation in the gasbag, and also can keep stable connection with the part of the interface connection of giving vent to anger and admitting air, when driving piece extrusion gasbag, whole respirator can be stable, continuously export gas, guarantee the holistic stability of this respirator.

In foretell breathing, the inside wall of box body has the face of supporting, the one end of driving piece is fixed to be set up on the box body and support the relative side of face, the gasbag is located to support and supports between face and the driving piece and support on the face. The gasbag supports with supporting of box body all the time and leans on the face, support to cooperate with the driving piece when the gasbag pressurized, extrude the gasbag, guarantee that the gasbag is stabilized the pressurized, conveying gas, in the gasbag diastole stage, gasbag self resumes deformation, support to support and can restrict the displacement and the deflection of gasbag in a direction by the face, with limit structure cooperation, make driving piece and gasbag keep relative position, the driving piece of being convenient for can be accurate when next extrusion gasbag, fully decompress the gasbag, guarantee the stability of this respirator.

In the respirator, the driving piece is provided with an output end facing the air bag, and the output end of the driving piece is fixedly connected with the extrusion plate. The extrusion plate arranged on the output end of the driving piece can extrude the air bag more effectively, and the air bag can generate stable gas flow.

In the respirator, the limiting structure comprises two limiting grooves which are arranged on the side wall of the box body in a penetrating mode and correspond to the positions of the air inlet interface and the air outlet interface respectively, and the air inlet interface and the air outlet interface are embedded into the corresponding limiting grooves respectively and are attached to the groove walls of the corresponding limiting grooves. Adopt the spacing groove to admit air the interface and give vent to anger the interface and carry on spacingly, simple structure, the rethread interface of admitting air pastes with the cell wall of the periphery wall of the interface of giving vent to anger and spacing groove and leans on and improves interface and the interface of admitting air and spacing groove complex stability of giving vent to anger, and the restriction gasbag is at the removal of shrink and diastole in-process at the spacing inslot, guarantees the stability of this respirator. The limiting structure can also be a limiting hole which penetrates through the side wall of the box body.

In the respirator, the limiting groove is provided with an opening, and the opening is arranged upwards. The opening of spacing groove sets up upwards to make the gasbag can be quick, convenient embedding spacing groove, and the gasbag also can be dismantled fast simultaneously.

In the respirator, one end of the air inlet interface extends out of the limiting groove and is connected with the air inlet one-way valve. The check valve that admits air makes can only follow external suction air in the gasbag, prevents the gas refluence, and the check valve setting that admits air simultaneously can carry on spacingly to the position of gasbag and box body to a certain extent on the end of stretching out of interface admits air, prevents that the gasbag from shifting by a wide margin on the box body, guarantees the stability of gasbag.

In the respirator, the respirator further comprises a face mask, the face mask is communicated with the air outlet interface through a vent pipe, the vent pipe is provided with an end-expiratory positive pressure valve and a pressure sensor, and the pressure sensor is arranged close to the face mask. End-expiratory positive pressure valve is the valve that current medical field is often used for breathing machine or respirator, the effect makes the air flue keep certain malleation at the end of exhaling, prevent alveolar atrophy, the face guard cover is established at human face, end-expiratory positive pressure valve is when not working, gas in the gasbag circulates to human air flue from the breather pipe, pressure sensor can effectively monitor the pressure value of gas circulation in the whole breather pipe, end-expiratory positive pressure valve during operation, pressure sensor can detect human air flue and the pressure value between the end-expiratory positive pressure valve, guarantee the security and the first aid effect of this respirator.

In the respirator, the breather pipe is further provided with a flow sensor, and the flow sensor is positioned between the air outlet interface and the end-expiratory positive pressure valve and is close to the air outlet interface. The flow sensor can effectively monitor the gas flow at the air outlet interface, and the emergency treatment effect of the respirator is ensured.

In the respirator, a controller and a display screen are fixedly arranged on the outer side face of the box body, the flow sensor and the pressure sensor are respectively connected with a signal input end of the controller, and the display screen is connected with a signal output end of the controller. The effective tidal volume that supplies the human body to inhale can be drawn through gas flow that pressure sensor and flow sensor will monitor, and specific tidal volume setting can be shown on the display screen, and the person's of being convenient for reading, user can make the tidal volume be in reasonable within range to the extrusion frequency of gasbag according to the control of tidal volume, guarantee that this respirator can stable output gas flow, the velocity of flow of setting for.

In the respirator, the box body is further connected with a speed regulator for controlling the extrusion frequency of the driving piece and an alarm connected with the signal output end of the controller, and the speed regulator, the alarm, the controller and the display screen are arranged on the same side face of the box body. The alarm can monitor moisture volume numerical value, surpasss a timing and can report to the police and remind the user, and the user can be through the extrusion frequency of speed regulator adjustment driving piece, makes the gas flow of this respirator keep in controllable within range, guarantees the stability of this respirator, and speed regulator, alarm, controller and display screen locate same side and make whole respirator keep pleasing to the eye.

Compared with the prior art, the respirator has the following advantages: the design through limit structure makes the position of the interface of giving vent to anger of gasbag and the interface of admitting air be injectd all the time, can enough inject the relative position of gasbag and box body, can guarantee again that the interface of giving vent to anger of gasbag and the interface of admitting air can not be established by box body shutoff or lid, guarantees the stability of this respirator.

Drawings

FIG. 1 is a perspective view of the present respirator.

FIG. 2 is a perspective view of the present respirator.

FIG. 3 is a top view of the present respirator.

Fig. 4 is a cross-sectional view a-a of fig. 3.

In the figure, 1, a box body; 1a, an abutting surface; 1b, a limiting groove; 2. an air bag; 2a, an air inlet interface; 2b, an air outlet interface; 3. a drive member; 4. an air inlet check valve; 5. a face mask; 6. a breather pipe; 7. an end-expiratory positive pressure valve; 8. a pressure sensor; 9. a flow sensor; 10. a controller; 11. a display screen; 12. a speed regulator; 13. an alarm; 14. and (5) pressing the plate.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 4, the respirator comprises a box body 1 which is hollow and cuboid, an air bag 2 which is arranged in the box body 1, and a driving piece 3 which is arranged on the box body 1 and is telescopic, wherein one inner side wall of the box body 1 is an abutting surface 1a, one end of the driving piece 3 is fixedly arranged on one side surface of the box body 1 opposite to the abutting surface 1a, the other end of the driving piece 3 is an output end, the output end of the driving piece 3 faces the air bag 2 and is fixedly connected with a squeezing plate 14, the air bag 2 is positioned between the driving piece 3 and the abutting surface 1a and abuts against the abutting surface 1a, the driving piece 3 can squeeze the air bag 2, as shown in fig. 1, the air bag 2 is provided with an air inlet interface 2a for air inlet and an air outlet interface 2b for air outlet, the air inlet interface 2a for the air bag 2 and an air outlet interface 2b for the air outlet of the air bag 2 are arranged on the box body 1, the air inlet interface 2a and the air outlet interface 2b are communicated with the air outlet interface 2, the box body 1 is provided with a limiting structure for limiting the air inlet interface 2a and the air outlet interface 2 b. In this embodiment, the driving member 3 is an electric push rod, and the driving member 3 may also be a hydraulic push rod.

Specifically, as shown in fig. 3, the limiting structure in this embodiment is two limiting grooves 1b penetrating through the side walls of the box body 1, the limiting grooves 1b have openings, the openings of the limiting grooves 1b are arranged upward, the two limiting grooves 1b are arranged on the two opposite side walls of the box body 1, the positions of the limiting grooves 1b correspond to the positions of the air inlet interface 2a and the air outlet interface 2b, the air inlet interface 2a and the air outlet interface 2b are respectively embedded into the corresponding limiting grooves 1b, and the outer side walls of the air inlet interface 2a and the air outlet interface 2b are respectively attached to the groove walls of the limiting grooves 1 b.

As shown in fig. 3, one end of the air inlet interface 2a extends out of the limiting groove 1b and is connected with the air inlet check valve 4, one end of the air outlet interface 2b extends out of the limiting groove 1b and is connected with the air vent pipe 6, the air vent pipe 6 is sequentially provided with the flow sensor 9, the end-expiratory positive pressure valve 7, the pressure sensor 8 and the face mask 5, the face mask 5 is connected to the end portion of the air vent pipe 6, the flow sensor 9 is arranged close to the air outlet interface 2b, and the pressure sensor 8 is arranged close to the face mask 5.

As shown in fig. 1, a controller 10, a display screen 11, a speed regulator 12 and an alarm 13 are fixedly arranged on one side of the box body 1, which is provided with a limit groove 1b for embedding the air outlet port 2b, a signal input end of the controller 10 is respectively connected with a signal output end of the flow sensor 9 and a signal output end of the pressure sensor 8, the display screen 11 and the alarm 13 are respectively connected with a signal output end of the controller 10, and the speed regulator 12 is connected with the driving member 3 for controlling the extrusion frequency of the driving member 3.

The working principle of the respirator is as follows: when the device is used normally, if the positive pressure valve 7 at the end of expiration is closed, the air bag 2 is extruded by the driving piece 3, the gas generated by the air bag 2 flows out of the air outlet interface 2b of the air bag 2 and enters the breather pipe 6 until entering the airway of a human body, the flow sensor 9 arranged on the breather pipe 6 monitors the gas flow entering the breather pipe 6 and transmits a signal to the sensor, the pressure sensor 8 arranged on the breather pipe 6 monitors the gas pressure in the breather pipe 6 and transmits the signal to the sensor, the sensor transmits the tidal volume and the pressure value in the breather pipe 6 to the display screen 11 through calculation, if the tidal volume and the pressure value exceed the standard values, the alarm 13 gives an alarm, the extrusion frequency of the driving piece 3 on the air bag 2 can be adjusted by the speed regulator 12, and the pressure and the flow of the gas in the breather pipe 6 are kept within the standard values; if the positive end-expiratory pressure valve 7 is opened, the pressure sensor 8 can be used to monitor whether the pressure value of the human airway is maintained at positive pressure, and transmit the data to the controller 10 and the display screen 11.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms cartridge, bladder, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a respirator, its characterized in that, includes inside hollow box body (1), sets up gasbag (2) in box body (1) and sets up driving piece (3) on box body (1) and can extrude gasbag (2), gasbag (2) have be used for admitting air interface (2a) and be used for the interface (2b) of giving vent to anger, interface (2a) and interface (2b) of giving vent to anger are linked together, be equipped with on box body (1) and carry out spacing limit structure to admitting air interface (2a) and interface (2b) of giving vent to anger.

2. Respirator according to claim 1, wherein the inner side wall of the box (1) has an abutment surface (1a), one end of the driving element (3) is fixedly arranged on the side of the box (1) opposite to the abutment surface (1a), and the air bag (2) is located between the abutment surface (1a) and the driving element (3) and abuts against the abutment surface (1 a).

3. Respirator as claimed in claim 2, characterized in that the drive element (3) has an output end facing the airbag (2), the output end of the drive element (3) having a pressure plate (14) fixedly connected thereto.

4. The respirator according to claim 1, wherein the limiting structure comprises two limiting grooves (1b) which are arranged on the side wall of the box body (1) in a penetrating manner and correspond to the positions of the air inlet interface (2a) and the air outlet interface (2b), and the air inlet interface (2a) and the air outlet interface (2b) are respectively embedded into the corresponding limiting grooves (1b) and are attached to the groove walls of the corresponding limiting grooves (1 b).

5. Respirator according to claim 4, characterized in that the retaining groove (1b) has an opening which is directed upwards.

6. Respirator according to claim 4 or 5, wherein one end of the air inlet port (2a) protrudes out of the limiting groove (1b) and is connected with an air inlet check valve (4).

7. A respirator according to claim 1 or 2 or 3 or 4 or 5, further comprising a face mask (5), wherein the face mask (5) is communicated with the air outlet interface (2b) through a ventilation pipe (6), the ventilation pipe (6) is provided with an end-expiratory positive pressure valve (7) and a pressure sensor (8), and the pressure sensor (8) is arranged close to the face mask (5).

8. Respirator according to claim 7, wherein the ventilation tube (6) is further provided with a flow sensor (9), wherein the flow sensor (9) is located between the outlet interface (2b) and the positive end-expiratory pressure valve (7) and is arranged close to the outlet interface (2 b).

9. The respirator according to claim 8, characterized in that a controller (10) and a display screen (11) are fixedly arranged on the outer side surface of the box body (1), the flow sensor (9) and the pressure sensor (8) are respectively connected with a signal input end of the controller (10), and the display screen (11) is connected with a signal output end of the controller (10).

10. The respirator according to claim 9, wherein a speed regulator (12) for controlling the extrusion frequency of the driving member (3) and an alarm (13) connected with a signal output end of the controller (10) are further connected to the box body (1), and the speed regulator (12), the alarm (13), the controller (10) and the display screen (11) are arranged on the same side face of the box body (1).