CN213884608U

CN213884608U - Severe medical science branch of academic or vocational study is with portable severe first aid breathing machine

Info

Publication number: CN213884608U
Application number: CN202020551894.4U
Authority: CN
Inventors: 孙爱芹
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2021-08-06
Anticipated expiration: 2030-04-15

Abstract

The utility model discloses a movable severe medical emergency respirator for severe medical department, which comprises a respirator shell, wherein an air supply mechanism for pumping external atmosphere into the respirator shell and a ventilation mechanism for exhausting waste gas exhaled by a patient are respectively arranged in the respirator shell; the ventilation mechanism and the air supply mechanism are respectively connected with a power device arranged on the shell of the respirator through a transmission component and an eccentric component; the device realizes the function of matching work of air supply and exhaust by connecting the bevel gear combined rotating piece with the output shaft, when the eccentric component drives the sealing plug to move up and down to intermittently pump air, the elastic sealing component synchronously matches with the sealing and opens the air exchange piece, and when the air supply mechanism pumps air, the air exchange mechanism keeps closed; when the air exchange mechanism is opened, the air supply mechanism does not pump air; the two work in coordination to help the critically ill patient to realize inspiration and expiration actions; the mechanical mechanism is adopted for operation, so that the failure rate is low, the reliability is high, and the production cost and the maintenance cost are low.

Description

Severe medical science branch of academic or vocational study is with portable severe first aid breathing machine

Technical Field

The utility model relates to a medical treatment field specifically is a severe medical science branch of academic or vocational study is with portable severe first aid breathing machine.

Background

Ventilators are a useful tool for respiratory support and are a common treatment modality for critically ill patients today. The quality of respiratory support is directly related to the level of rescue in critically ill patients.

The variety of breathing machines is numerous, and for severe patients who can not breathe independently, Intermittent Positive and Negative Pressure Ventilation (IPNPV) breathing machines are mostly adopted, positive pressure is generated by the breathing machines in an inspiratory phase, gas is pressed into lungs, an expiratory valve is opened after the pressure rises to a certain level or the inhaled volume reaches a certain level, the thorax and the lungs of the patient collapse passively, and expiration is generated.

However, most of the existing ventilators are complex in internal structure, use a large number of electric control devices and sensors, are high in manufacturing cost, are easy to break down, and are high in use and maintenance cost.

SUMMERY OF THE UTILITY MODEL

Based on the weak point among the prior art that mentions among the above-mentioned background art, for this reason the utility model provides a severe medical science branch of academic or vocational study is with portable severe first aid breathing machine.

The utility model discloses an adopt following technical scheme to overcome above technical problem, specifically do:

a movable severe medical science emergency respirator comprises a respirator shell, wherein an air supply mechanism for pumping outside air and a ventilation mechanism for discharging waste gas exhaled by a patient are respectively arranged in the respirator shell; the ventilation mechanism and the air supply mechanism are respectively connected with a power device arranged on the shell of the respirator through a transmission component and an eccentric component;

the power device comprises a motor fixedly mounted on the outer wall of the shell of the respirator and an output shaft which is rotatably arranged below the inner part of the shell of the respirator and is connected with the output end of the motor.

As a further aspect of the present invention: the air supply mechanism comprises an air supply piece fixedly arranged on one side above the inner part of the shell of the respirator, a sealing plug arranged in the air supply piece in a sealing and sliding way, and check valves arranged on two sides above the air supply piece; wherein, the conducting directions of the check valves on both sides are the same, and the sealing plug is connected with the eccentric component.

As a further aspect of the present invention: the eccentric subassembly is including fixing on the output shaft rotate the piece with be used for connecting rotate an eccentric department with the member of sealing plug, wherein, the supply is seted up to the lower part of air feed spare the slotted hole that the member passed, the one end of member with the sealing plug is articulated, its other end with rotate the eccentric department of piece and rotate and be connected.

As a further aspect of the present invention: the ventilation mechanism comprises a ventilation piece fixedly arranged on one side of the upper part of the inner part of the shell of the respirator, which is opposite to the air supply piece, an elastic sealing component arranged in the ventilation piece, and a suction pipe communicated with the upper part of the ventilation piece and used for connecting the mouth and the nasal cavity of a patient; the check valve on one of them limit on the piece of sending gas communicates atmosphere, and another check valve passes through the pipe intercommunication the piece of ventilating, the elasticity seal assembly is connected the drive assembly the below of piece of ventilating is provided with the siphunculus that supplies waste gas exhaust.

As a further aspect of the present invention: the transmission assembly comprises a second bevel gear fixed on the output shaft, a first bevel gear meshed with the second bevel gear, and a driven shaft fixed on the first bevel gear and penetrating through the ventilation part; the driven shaft is connected with the air exchange piece through a bearing, and the driven shaft is connected with the elastic sealing assembly.

As a further aspect of the present invention: the elastic sealing assembly comprises a fixing piece fixed on the inner wall of the air exchange piece, a rotating piece in sealing fit with the lower surface of the fixing piece, and a compaction structure which is used for connecting the driven shaft and the rotating piece; the fixed piece is provided with a semicircular ventilation groove, the eccentric position of the rotating piece is provided with a through hole matched with the semicircular ventilation groove, and the transmission ratio between the first bevel gear and the second bevel gear is 1: 1.

As a further aspect of the present invention: the compaction structure comprises a telescopic part which is sleeved on the upper part of the driven shaft in a sliding way and is fixed with the rotating part, an elastic part which is arranged between the rotating part and the driven shaft and is sleeved with the telescopic part, a sleeve part which is fixed on the outer walls of two sides of the driven shaft, and a guide part which is sleeved on the sleeve part in a sliding way and is fixed with the rotating part;

one end of the elastic piece is abutted against the rotating piece, the other end of the elastic piece is abutted against the upper opening of the driven shaft, and the elastic piece is kept in a pressed state.

As a further aspect of the present invention: the bottom of respirator shell is fixed with the base, the base below is provided with at least three gyro wheels that are used for supplying the breathing machine removes.

After the structure more than adopting, the utility model discloses compare in prior art, possess following advantage: the device realizes the function of matching work of air supply and exhaust by connecting the bevel gear combined rotating piece with the output shaft, when the eccentric component drives the sealing plug to move up and down to intermittently pump air, the elastic sealing component synchronously matches with the sealing plug to close and open the air exchange piece, when the air supply mechanism pumps air, the air exchange mechanism keeps closed, and the pumped fresh air is prevented from leaking from the air exchange mechanism; when the air exchange mechanism is opened, the air supply mechanism does not pump air; the two work in coordination to help the critically ill patient to realize inspiration and expiration actions; the mechanical mechanism is adopted for operation, so that the failure rate is low, the reliability is high, and the production cost and the maintenance cost are low.

Drawings

Fig. 1 is a schematic structural diagram of a movable critical care emergency breathing machine for the critical care medical department.

Fig. 2 is a schematic structural diagram of a semicircular ventilation groove in a fixed part and a through hole in a rotating part in a movable intensive first-aid respirator for the intensive care department.

Fig. 3 is a schematic structural diagram of the air feeding member, the rotating member and the rod member in the movable critical emergency respirator for the critical medical department.

In the figure: 1-a ventilator housing; 2-a gas-feeding piece; 3-a ventilation member; 4-a base; 5-a motor; 6-an output shaft; 7-a rotating member; 8-a rod member; 9-a sealing plug; 10-a check valve; 11-a catheter; 12-a straw; 13-a fixing member; 14-a rotating member; 15-a telescopic member; 16-a driven shaft; 17-an elastic member; 18-a guide; 19-a kit; 20-a bevel gear; 21-second bevel gear; 22-semicircular air exchange grooves; 23-through hole.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

In addition, an element of the present invention may be said to be "secured to" or "disposed on" another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1 to 3, in an embodiment of the present invention, a mobile critical illness emergency ventilator for critical medicine department includes a ventilator housing 1, wherein an air supply mechanism for pumping in external atmosphere and an air exchange mechanism for exhausting waste gas exhaled by a patient are respectively installed in the ventilator housing 1;

in detail, the ventilation mechanism and the air supply mechanism are respectively connected with a power device arranged on the respirator shell 1 through a transmission component and an eccentric component;

the power device comprises a motor 5 fixedly arranged on the outer wall of the respirator shell 1 and an output shaft 6 which is rotatably arranged below the inner part of the respirator shell 1 and is connected with the output end of the motor 5;

the motor 5 works to drive the output shaft 6 to rotate, so that the transmission assembly and the eccentric assembly are respectively driven to drive the air exchange mechanism and the air supply mechanism to work in coordination;

specifically, when the air supply mechanism pumps the air, the air exchange mechanism is kept closed, and the pumped fresh air is prevented from leaking from the air exchange mechanism; when the air exchange mechanism is opened, the air supply mechanism does not pump air; the two work in coordination to help the critically ill patient realize inspiration and expiration actions.

In one embodiment of the present invention, the air supply mechanism comprises an air supply member 2 fixedly installed at one side above the inside of the respirator housing 1, a sealing plug 9 arranged inside the air supply member 2 in a sealing and sliding manner, and check valves 10 arranged at two sides above the air supply member 2; wherein, the conduction directions of the check valves 10 at the two sides are the same, and the sealing plug 9 is connected with the eccentric component;

when the output shaft 6 rotates to work, the sealing plug 9 is driven by the eccentric component to slide up and down along the inner wall of the air supply part 2 in a reciprocating manner, and the effect of intermittently pumping fresh air is achieved under the auxiliary action of the check valves 10 on the two sides.

In another embodiment of the present invention, the eccentric assembly includes a rotating member 7 fixed on the output shaft 6 and a rod member 8 for connecting the eccentric portion of the rotating member 7 with the sealing plug 9, wherein the lower portion of the air feeding member 2 is provided with a slot for the rod member 8 to pass through, one end of the rod member 8 is hinged to the sealing plug 9, and the other end thereof is rotatably connected to the eccentric portion of the rotating member 7;

when the output shaft 6 rotates, the rotating part 7 is driven to rotate along with the rotating part, the sealing plug 9 is driven to slide up and down along the inner wall of the air supply part 2 in a reciprocating mode under the action of the rod piece 8 by the aid of the crank block principle, and finally the function of intermittent air pumping is achieved.

In another embodiment of the present invention, the ventilation mechanism includes a ventilation member 3 fixedly installed on one side of the ventilator housing 1 opposite to the ventilation member 2, an elastic sealing component disposed inside the ventilation member 3, and a suction tube 12 communicating with the upper portion of the ventilation member 3 for connecting the nasal cavity and the oral cavity of the patient; one check valve 10 on one side of the air sending part 2 is communicated with the atmosphere, the other check valve 10 is communicated with the air exchanging part 3 through a guide pipe 11, and the elastic sealing assembly is connected with the transmission assembly;

a through pipe for discharging waste gas is arranged below the air exchange piece 3; when the output shaft 6 rotates, the transmission assembly is driven to work, and the transmission assembly drives the elastic sealing assembly to discontinuously seal the inside of the ventilation piece 3;

when the sealing plug 9 moves upwards to pump the air in the air delivery part 2 into the air exchange part 3 through the conduit 11, the sealing assembly seals the inside of the air exchange part 3, and the pumped air is pumped to the mouth and nose of a patient through the suction pipe 12 so as to enter the lung;

when the sealing plug 9 moves downwards to pump the outside atmosphere into the air delivery part 2, the sealing assembly opens the inside of the air delivery part 3, and the waste gas containing a large amount of carbon dioxide after oxygen exchange is carried out on the lung of the patient is discharged through the through pipe, so that the air is delivered to the lung of the critically ill patient in a reciprocating manner and the waste gas is discharged.

In yet another embodiment of the present invention, the transmission assembly comprises a bevel gear number two 21 fixed on the output shaft 6, a bevel gear number one 20 engaged with the bevel gear number two 21, and a driven shaft 16 fixed with the bevel gear number one 20 and passing through the ventilation member 3; the driven shaft 16 is connected with the air exchange part 3 through a bearing, and the driven shaft 16 is connected with the elastic sealing assembly;

when the output shaft 6 rotates, the driven shaft 16 is driven to rotate by the first bevel gear 20 and the second bevel gear 21, so that the elastic sealing component is driven to realize the intermittent sealing function.

In yet another embodiment of the present invention, the elastic sealing assembly comprises a fixed member 13 fixed on the inner wall of the ventilation member 3, a rotating member 14 sealingly attached to the lower surface of the fixed member 13, and a compacting structure already used for connecting the driven shaft 16 and the rotating member 14;

wherein, a semicircular air exchanging groove 22 is arranged on the fixed part 13, and a through hole 23 matched with the semicircular air exchanging groove 22 is arranged at the eccentric position of the rotating part 14;

when the driven shaft 16 rotates, the rotating piece 14 is driven to rotate by virtue of the compaction structure, when the rotating piece 14 rotates until the through hole 23 is matched with the semicircular ventilation groove 22, the interior of the ventilation piece 3 is communicated, and when the rotating piece 14 rotates until the through hole 23 is staggered with the semicircular ventilation groove 22, the interior of the ventilation piece 3 is sealed, namely the time interval between the communication and the sealing in the ventilation piece 3 is equal;

it is noted here that the transmission ratio between bevel gear one 20 and bevel gear two 21 is 1: 1; that is, the period of intermittent pumping of the sealing plug 9 moving up and down in the air feeder 2 is the same as the period of opening and closing in the air exchanger 3, so that the inside of the air exchanger 3 is closed when the air feeding mechanism pumps air, and the inside of the air exchanger 3 is opened when the air feeding mechanism sucks air into the air feeder 2.

In a further embodiment of the present invention, the compacting structure comprises a telescopic member 15 slidably fitted on the upper portion of the driven shaft 16 and fixed to the rotary member 14, an elastic member 17 disposed between the rotary member 14 and the driven shaft 16 and fitted to the telescopic member 15, a sleeve member 19 fixed to both side outer walls of the driven shaft 16, and a guide member 18 slidably fitted on the sleeve member 19 and fixing the rotary member 14;

wherein, one end of the elastic piece 17 is abutted with the rotating piece 14, the other end is abutted with the upper opening of the driven shaft 16, and the elastic piece 17 is kept in a pressed state;

the elastic member 17 is used to make the rotating member 14 tightly fit the fixed member 13, preventing leakage when the rotating member 14 rotates to the position that the through hole 23 is misaligned with the semicircular ventilation groove 22, and the sleeve member 19 and the guide member 18 are used to keep the rotating member 14 to follow the rotation when the driven shaft 16 rotates.

In another embodiment of the present invention, a base 4 is fixed to the bottom of the ventilator housing 1, and at least three rollers for moving the ventilator are disposed below the base 4.

The movement of the whole breathing machine is convenient through the arrangement of the rollers.

The foregoing is illustrative of the preferred embodiments of the present invention only, and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to be changed. However, all changes which come within the scope of the independent claims of the invention are to be embraced therein.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Claims

1. A movable severe illness first aid respirator for the severe medicine department comprises a respirator shell (1), and is characterized in that an air supply mechanism for pumping external atmosphere into the respirator shell (1) and a ventilation mechanism for exhausting waste gas exhaled by a patient are respectively installed in the respirator shell; the ventilation mechanism and the air supply mechanism are respectively connected with a power device arranged on the shell (1) of the respirator through a transmission component and an eccentric component;

the power device comprises a motor (5) fixedly installed on the outer wall of the respirator shell (1) and an output shaft (6) which is rotatably arranged below the inner part of the respirator shell (1) and is connected with the output end of the motor (5).

2. The mobile critical care emergency ventilator for critical medical science according to claim 1, wherein the air supply mechanism comprises an air supply member (2) fixedly installed at one side above the inside of the ventilator housing (1), a sealing plug (9) sealingly and slidably arranged inside the air supply member (2), and check valves (10) arranged at both sides above the air supply member (2); wherein, the conducting directions of the check valves (10) at the two sides are the same, and the sealing plug (9) is connected with the eccentric component.

3. The mobile critical care respirator of claim 2, wherein the eccentric assembly comprises a rotating member (7) fixed on the output shaft (6) and a rod member (8) for connecting the eccentric position of the rotating member (7) with the sealing plug (9), wherein the lower part of the air feeding member (2) is provided with a slot for the rod member (8) to pass through, one end of the rod member (8) is hinged with the sealing plug (9), and the other end of the rod member is rotatably connected with the eccentric position of the rotating member (7).

4. The movable severe illness emergency ventilator for severe medicine department according to claim 2, characterized in that the ventilation mechanism comprises a ventilation member (3) fixedly installed on one side of the upper portion inside the ventilator housing (1) opposite to the air supply member (2), an elastic sealing assembly arranged inside the ventilation member (3), and a suction pipe (12) communicated with the upper portion of the ventilation member (3) and used for connecting the oral cavity and the nasal cavity of the patient; check valve (10) on one of them side on air feed spare (2) communicate the atmosphere, and another check valve (10) communicate through pipe (11) piece (3) of ventilating, the elasticity seal assembly is connected the drive assembly the below of piece (3) of ventilating is provided with the siphunculus that supplies waste gas exhaust.

5. A mobile critical care ventilator as claimed in claim 4, characterized in that said transmission assembly comprises a second bevel gear (21) fixed to said output shaft (6), a first bevel gear (20) engaged with said second bevel gear (21), and a driven shaft (16) fixed to said first bevel gear (20) and passing through said ventilator (3); the driven shaft (16) is connected with the air exchange piece (3) through a bearing, and the driven shaft (16) is connected with the elastic sealing assembly.

6. A mobile critical care ventilator as claimed in claim 5, characterized in that said elastic sealing assembly comprises a fixed part (13) fixed on the inner wall of said ventilator (3), a rotating part (14) sealingly abutting against the lower surface of said fixed part (13), a compacting structure already used to connect said driven shaft (16) with said rotating part (14); a semicircular ventilation groove (22) is formed in the fixed piece (13), a through hole (23) matched with the semicircular ventilation groove (22) is formed in the eccentric position of the rotating piece (14), and the transmission ratio between the first bevel gear (20) and the second bevel gear (21) is 1: 1.

7. The mobile critical care ventilator according to claim 6, wherein the compacting structure comprises a telescopic member (15) slidably fitted on the upper portion of the driven shaft (16) and fixed to the rotary member (14), an elastic member (17) disposed between the rotary member (14) and the driven shaft (16) and fitted to the telescopic member (15), a sleeve member (19) fixed to the outer walls of both sides of the driven shaft (16), and a guide member (18) slidably fitted on the sleeve member (19) and fixed to the rotary member (14);

wherein one end of the elastic member (17) abuts against the rotating member (14), the other end abuts against the upper opening of the driven shaft (16), and the elastic member (17) is kept in a pressed state.

8. The mobile critical illness emergency ventilator for critical medicine department according to any one of claims 1 to 7, characterized in that a base (4) is fixed to the bottom of the ventilator housing (1), and at least three rollers for moving the ventilator are arranged below the base (4).