KR102067085B1 - Driving device for a manually-operated Resuscitator Unit - Google Patents

Abstract

The present invention relates to a driving device for a manually-operated resuscitator. More specifically, the present invention relates to a driving device for a manually-operated resuscitator, including a pair of compression arms (10) provided opposite to each other so that both sides of an air pocket (B) of the manually-operated resuscitator are compressed at a predetermined speed to provide a constant amount of air to a patient; and a handle portion (20) for generating and transmitting power to drive the compression arms (10).

Description

Driving device for a manual ventilator {Driving device for a manually-operated Resuscitator Unit}

The present invention relates to a drive device for a manual respirator, and more particularly, a compression arm for compressing an air bag of a ventilator so as to supply external air to a patient, and a driving means for generating a driving force of the compression arm. The present invention relates to a drive device for a manual respirator that can be conveniently used by hand in an emergency.

In general, pulmonary manually-operated (Resuscitator, pulmonary manually-operated) is used in place of a short-term movement of the patient in the place of electricity, or in emergency situations such as CPR.

That is, in an emergency situation in which the patient does not breathe or is difficult to breathe, the air bag of the ventilator is compressed by hand to artificially supply air into the lungs, and thus is a device for producing a CPR-like effect.

In addition, the passive resuscitator (Resuscitator) is connected to the oxygen tank for high concentration oxygen administration when the patient needs to maintain the oxygen concentration of about 90% or more and supply oxygen to the patient.

At this time, the patient is to supply the air in accordance with the amount and the pressing speed of the air bag of the manual resuscitator (Resuscitator) in consideration of the amount of air required. In addition, it is also a supply device that can control the air at the same speed by changing the pressing position of the center portion and the lower portion, the upper portion of the air bag.

Air respirators typically provide air at about 12 times per minute by squeezing the air pocket, with the American Heart Association recommending a single breath of 6-7ml / kg or 500-600ml, depending on the patient's condition. Will be adjusted.

As a related art, Korean Patent No. 10-1456876 (Registration Date: October 27, 2014) discloses a 'manual air respirator capable of evaluating lung function'.

The prior art is a mask 100 is formed to be in close contact with the face of the patient, the inlet hole 110 is formed on the face; It is coupled to the inlet hole 110 of the mask 100, a one-way valve 210 is formed to prevent the end-tidal gas is re-introduced into the air pocket, and the end-tidal gas partial pressure during the self-breathing of the patient An exhalation valve (200) provided with a gas concentration measurement sensor (220) which is formed to check and deliver the measured value to the display unit (300); Is formed on one side of the exhalation valve 200, a pressure sensor 310 for measuring the one-time supply amount (including pressure) and the number of artificial breaths is formed, it is made to display the calculated value measured by the pressure sensor 310 A display unit 300 including a display unit 320; An air discharge port 410 is provided at one side to be connected to the display unit 300, and an air bag 400 is formed at the other side so that a separate oxygen supplier is connected.

However, the above-described prior art has a problem in that the amount of air or oxygen supplied to the patient is not constant because a person directly compresses the air bag to supply oxygen or air to the patient.

In addition, the above-described prior art, even for a short time, has been inconvenient to continuously press the air bag and supply air to the patient for 10 minutes to 20 minutes.

The present invention was created to solve the problems of the prior art as described above is an object of the present invention is to hold the air pocket of the manual ventilator to the compressed arm and the back of the compressed arm by hand to supply air to the patient. By providing a drive unit for driving the compressed arm to the handle, it is to provide a drive device for a manual ventilator that can stably supply a certain amount of air or oxygen to the patient by pressing the air bag at a predetermined speed and pressure. .

Manual ventilator drive device of the present invention for achieving the above object is a drive device for crimping the air bag of the ventilator so that the outside air is supplied to the patient, both sides of the air bag is provided so as to face each other to be compressed at a predetermined speed A pair of compressed arms; It consists of a handle portion for generating and transmitting power to drive the crimping arm,

The handle part is coupled to an external case which can be gripped by hand, a motor seated on an inner lower end of the external case, and a rotating shaft extended to an upper portion of the motor, thereby converting the rotational power of the motor into a forward and backward reciprocating motion to the pressing arm. It consists of a link unit for transmitting and a motor control unit for supplying a voltage supplied to the motor in a predetermined size,

The crimping arm includes an arm lever formed with a lever shaft in a central portion so as to be a center when the air bag is compressed, an axial core case recessed in the outer case so as to be coupled to the link portion while enclosing an inner portion of the arm lever, It wraps around one end portion, characterized in that consisting of an arm case extending outward to surround the outer portion of the arm lever.

The arm lever is bent inward with respect to the lever shaft core so that the air bag is easily compressed, and extends inward from the lever shaft core to be seated inside the shaft core case and is coupled to the link portion of the rectangular lever power transmission. An inner lever provided with a moon hole and an outer lever extending outward from the lever shaft to be seated in the arm case and having a plurality of seating holes coupled to the arm case are provided.

The link unit includes a shaft fixing hole in which the rotating shaft of the motor is inserted in the center and a motor fixing guide having a plurality of fixing ends bent outward to be fixed to the outer case at the outer end; A rotary link provided with a link shaft core in which the rotary shaft is recessed and coupled with a disc-shaped power transmission plate formed on the link shaft core; A link link bar rotatably coupled to one side of the power transmission plate, and a power link rod extending upward from the link connection bar so that power transmitted to the link connection bar is transmitted to the inner lever; It is coupled to the upper portion of the motor fixing guide is fixed to the outer case and characterized in that consisting of a power transmission guide formed with a rectangular power guide hole through the center through the front and rear to guide the reciprocating motion of the power transmission rod.

The arm case is coupled to the pressing member for pressing the outer surface of the air bag on the inner side facing each other, the pressing member is a pressing surface that is pressed to the outer surface of the air bag, and the back from the center back of the pressing surface It is characterized in that it is provided with a pressing surface support rod is formed on the outer periphery to prevent the separation when it is mounted on the inner side of the arm case.

The motor control unit is provided with a constant voltage board for supplying power at a predetermined voltage when the power is supplied to the motor, a variable resistor for adjusting the voltage supplied from the constant voltage board in multiple stages,

The outer case includes a power connection terminal for supplying external power to the motor control unit, a voltage adjusting terminal coupled to the variable resistor, and a switch for turning on and off the supply of the external power supplied to the constant voltage board. It is done.

The outer periphery of the rotary shaft is provided with a power transmission surface cut into a planar shape so that the power of the motor is easily transmitted, and the inner shaft of the link shaft core is formed in a planar shape so that the power transmission surface is recessed and fixed. Characterized in that it is provided.

Such a drive device for a manual ventilator of the present invention has the following effects.

First, the compressed air driven by the power of the motor seated on the hand grip gripped by hand to compress the air bag of the manual ventilator at a predetermined speed, it moves even in an emergency situation and provides a certain amount of air or oxygen to the patient. Can supply

Second, the voltage adjusting stage for adjusting the supply voltage supplied to the motor step by step is provided in the handle portion, by adjusting the supply voltage to adjust the supply amount of air supplied to the patient by stepping the rotational speed of the motor Can and

Third, the rotation link for converting and transmitting the rotational power of the motor and the conversion link coupled with the rotary link is coupled to the shaft center of the motor, thereby reducing the size of the handle portion to which the motor, rotary link and the conversion link is mounted. Movement of the drive is convenient,

Fourth, the arm lever of the compression arm for compressing the air bag is rotated based on the center lever axis, there is an effect that can be uniformly compressed by the left and right reciprocating movement of the arm lever.

1 is a cross-sectional view of a passive air respirator capable of evaluating lung function according to the prior art,
2 is a perspective view of a driving device for a manual ventilator according to the present invention;
3 is an exploded perspective view of a driving device for a manual ventilator according to the present invention;
4 is a view for explaining the interior of the driving apparatus according to the present invention,
5 is a view for explaining the operating relationship between the link portion and the crimping arm of the driving apparatus according to the present invention,
6 is a view for explaining a link unit according to the present invention.

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

2 to 5, the drive device for a manual ventilator according to the present invention is a drive device for crimping the air bag (B) of the ventilator so that the outside air is supplied to the patient, the air bag (B) A pair of crimping arms 10 provided opposite to each other so as to crimp at both sides at a predetermined speed; It consists of a handle portion 20 for generating and transmitting power to drive the pressing arm 10, the handle portion 20 is one side of the pressing arm 10 and the outer case 21 coupled to the recessed And the motor 22 mounted on the inner lower end of the outer case 21 and combined with the rotating shaft 22a of the motor 22 convert the rotational power of the motor 22 into a forward and backward reciprocating motion. It comprises a link unit 23 for transmitting to (10), and a motor control unit 24 for supplying a voltage supplied to the motor 22 in a predetermined size.

Here, the air bag (B) is also changed by the supply amount of air as the upper and lower portions of the upper and lower portions of both sides of the pressing arm (10), the center portion to use the pressing arm (10) to be compressed do.

In addition, the handle portion 20 has a motor 22 is built-in, the compression arm 10 is driven through a link portion 23 for converting the rotational movement of the motor 22 into a linear reciprocating motion.

In addition, the motor control unit 24 may be configured to convert the voltage or frequency according to the type of the motor 22, and to control the rotational speed of the motor 22 by changing the voltage or frequency. .

On the other hand, the crimping arm 10 is coupled to the link portion 23 and the arm lever 11 is provided with a lever shaft center (11a) in the center to be the center when rotating, and when the link portion 23 is combined with the It is coupled at one end of the shaft core case 12 and the shaft core case 12 surrounding the inner portion of the arm lever 11 is inserted into the handle portion 20 to surround the outer portion of the arm lever 11 It consists of an arm case 13 extending outward.

That is, power is transmitted through the arm lever 11, and the shaft center case 12 and the arm case 13 protect the appearance of the arm lever 11 and improve the appearance when the power is transmitted.

Here, the arm lever 11 extends inward from the lever shaft core 11a to be seated in the lever shaft core 11a and the shaft core case 12, and is coupled to the link portion 23 on one side. An inner lever 11b having a rectangular lever power transfer hole 11d which extends outward from the lever shaft core 11a so as to be seated inside the arm case 13, and to the arm case 13; Consists of an outer lever (11c) is provided with a plurality of seating holes (11e) to be fixed,

The inner lever 11b and the outer lever 11c are bent inward with respect to the lever shaft core 11a so that the air bag B can be easily compressed.

Here, the arm lever 11 is composed of the inner lever (11b) and the outer lever (11c) integrally on the basis of the lever shaft (11a), bent to facilitate the pressure on the outer surface of the air bag (B). The front and rear conveying power of the link portion 23 transmitted to the inner lever 11b by the rectangular lever power transfer hole 11d to the lever shaft center 11a stably, thereby providing the outer lever. It becomes possible to convert stably by the left-right rotational power of (11c).

On the other hand, the arm case 13 is coupled to the pressing member (13a) for pressing the outer surface of the air bag (B) to the inner side facing each other, the pressing member (13a) is the outside of the air bag (B) Pressing surface (13b) that is pressed to the side, and the rear side extending from the rear of the center of the pressing surface (13b) to prevent the departure when the inner side of the arm case 13, the departure prevention piece (13d) on the outer periphery A formed pressing surface supporting rod 13c is provided.

In addition, the arm case 13 is rotated based on the lever shaft core 11a and compresses the outer surface of the air bag B. At this time, the crimping member 13a is provided to prevent the loss of frictional force. Will be.

On the other hand, the link portion 23 is coupled to the motor 22 and the shaft center hole (25a) in which the rotary shaft 22a of the motor 22 is inserted in the center to be fixed to the outer case 21, one side A motor fixing guide 25 having a plurality of fixing ends 25b bent outward to be fixed to the outer case 21 at an end thereof; The link shaft core 26a coupled to the rotary shaft 22a and the disc-shaped power transmission plate 26b extending around the upper end of the link shaft core 26a are provided to transmit power of the motor 22. Rotary link 26; The link connecting bar 27a coupled to one side of the power transmission plate 26b to be rotatable, and the link connecting bar so that the power transmitted to the link connecting bar 27a is transmitted to the inner lever 11b. A conversion link 27 having a power transmission rod 27b extending upward from 27a); The power transmission guide coupled to the upper part of the motor fixing guide 25 is fixed to the outer case 21 and has a rectangular power guide hole 28a formed at the center thereof to guide the reciprocating motion of the power transmission rod 27b. 28),

On the outer circumference of the power transmission rod 27b, a plurality of rotary rings 27c and a ring washer 27d for distinguishing between the rotary rings 27c so as to reduce frictional force when power is transmitted to the inner lever 11b. Is provided.

Here, the motor fixing guide 25 and the power transmission guide 28 is fixed to the outer case 21 in a coupled state, between the motor fixing guide 25 and the power transmission guide 28. The rotary link 26 and the conversion link 27 is arranged.

On the other hand, the motor control unit 24 is a variable resistor to adjust the voltage supplied from the constant voltage board 24a and the voltage supplied from the constant voltage board 24a in a multi-step to supply power to the motor 22 at a predetermined voltage 24b is provided,

The outer case 21 includes a power connection terminal 21a for supplying external power to the motor control unit 24, a voltage regulating terminal 21b coupled to the variable resistor 24b, and a constant voltage board ( And a switch 21c for turning on and off the supply of the external power supplied to 24a).

On the other hand, the motor control unit 24 may be implemented in various aspects according to the type of the motor 22 as described above.

In addition, the outer periphery of the rotary shaft 22a is provided with a power transmission surface 22a 'cut into a planar shape so that the power of the motor 22 is easily transmitted, and the inner periphery of the link shaft core 26a is provided. A rotating shaft recessed surface 26a 'is formed in a planar shape so that the power transmission surface 22a' is recessed and fixed. That is, the power transmission surface 22a 'and the rotation shaft indentation surface 26a' transmit power in engagement with each other, thereby minimizing power loss during transmission of rotational power.

The action of the passive respirator drive device of the present invention having the above configuration is as follows.

2 to 5, the driving apparatus for the manual respirator of the present invention drives the compression arm 10 by the power of the motor 22 embedded in the handle portion 20, as shown in FIGS. By pressing (B), the patient is constantly supplied with the necessary air or oxygen.

At this time, the handle portion 20 can be gripped by hand, can be used while transported in the gripped driving device, the mobility is enhanced than the ventilator installed in the vehicle.

In addition, the operation speed of the crimping arm 10 is adjusted to the voltage supplied from the motor control unit 24, and the supply voltage of the motor control unit 24 is adjusted in multiple stages by the variable resistor 24b.

In addition, the variable resistor 24b is coupled to the voltage adjusting terminal 21b provided in the outer case 21 to be rotatable from the outside. The adjustment of the supply voltage adjusts the operating speed of the pressing arm 10, and by adjusting the operating speed of the pressing arm 10, the amount of air supplied to the patient can be adjusted and supplied.

In addition, the external power supplied to the motor control unit 24 is provided with a switch 21c in the outer case 21, so that it can be turned on and off from the outside.

On the other hand, when external power is supplied to the motor 22 through the motor control unit 24, the rotational power of the motor 22 is transmitted to the rotary link 26 of the link unit 23 through the rotating shaft 22a. Will be. The external power source may utilize a smartphone battery or a rechargeable dedicated battery.

In addition, a link connecting bar 27a of the conversion link 27 is rotatably coupled to one side of the power transmission plate 26b constituting the rotary link 26, and upwards from the link connecting bar 27a. An extended power transmission rod 27b reciprocates back and forth to drive the compression arm 10.

Here, the power transmission rod (27b) is reciprocated forward and backward along the rectangular power guide hole (28a) provided in the power transmission guide 28, so that the linear movement in a constant forward and backward.

In addition, the motor 22, the rotary link 26 and the conversion link 27 is coupled in a substantially straight line, it is possible to form a small size of the handle portion 20, the driving arm 10 is driven It becomes easy.

On the other hand, the power transmission rod 27b is to transmit power to the arm lever 11 of the compression arm 10, the arm lever 11 is the inner lever (11b) is transferred to the front and rear, lever axis ( The outer lever 11c has a reciprocating motion of pressing the air bag B from left and right about 11a).

In addition, the inner lever 11b and the outer lever 11c are bent inward with respect to the lever shaft 11a so that the air bag B can be easily compressed, and 'V' in a direction opposite to each other. By bending in the shape of a child, the air bag B can be easily compressed.

In addition, the inner lever 11b and the lever shaft core 11a surround the outside of the inner lever 11b and the lever shaft core 11a so that the arm lever 11 is bent and rotated based on the lever shaft core 11a. The arm case 13 is wrapped around the outside.

The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by any person having ordinary skill in the art without departing from the gist of the present invention claimed in the claims. Of course, such changes will fall within the scope of the claims.

<Description of the symbols for the main parts of the drawings>
10: compression arm 11: arm lever
11a: lever shaft center 11b: inner lever
11c: Outer lever 11d: Lever power transmission hole
11e: settling hole 12: shaft case
13 arm case 13a: pressing member
13b: pressing surface 13c: pressing surface support rod
13d: separation prevention piece 20: handle
21: outer case 21a: power connection terminal
21b: voltage regulation stage 21c: switch
22: motor 22a: rotating shaft
22a ': power transmission surface 23: link part
24: motor control unit 24a: constant voltage board
24b: Variable resistor 25: Motor fixing guide
25a: shaft insertion hole 25b: fixed end
26: rotary link 26a: link axis
26a ': rotating shaft recess 26b: power transmission plate
27: conversion link 27a: link connecting bar
27b: power transmission rod 27c: rotary ring
27d: Ring washer 28: Power transmission guide
28a: power guide hole
B: air bag

Claims (6)

In the drive device for crimping the air bag (B) of the ventilator so that the outside air is supplied to the patient,
A pair of crimping arms 10 provided on both sides of the air bag B so as to face each other at a predetermined speed; It consists of a handle portion 20 for generating and transmitting power to drive the crimping arm 10,
The handle part 20 is an outer case 21 which can be gripped by hand, a motor 22 seated on an inner lower end of the outer case 21, and a rotating shaft 22a extending to an upper portion of the motor 22. And a link unit 23 for converting the rotational power of the motor 22 into a forward and backward reciprocating motion to be transmitted to the crimping arm 10 and supplying a voltage supplied to the motor 22 to a predetermined size. It consists of a control unit 24,
The crimping arm 10 wraps an arm lever 11 having a lever shaft center 11a formed at a central portion thereof to be a center when the air bag B is compressed, and an inner part of the arm lever 11 to cover the link part 23. And an arm case 13 which extends outwardly to surround an outer end of the arm lever 11 and surrounds an end portion of the shaft core case 12 inserted into the outer case 21 so as to be coupled to the outer case 21. Ventilator drive device characterized in that consisting of. The method of claim 1,
The arm lever 11 is bent inward with respect to the lever shaft core 11a so that the air bag B can be easily compressed, and the lever lever 11a is seated in the shaft core case 12. An inner lever 11b having a rectangular lever power transfer hole 11d extending inwardly and engaged with the link part 23, and the lever shaft core 11a to be seated inside the arm case 13; A respirator drive device, characterized in that the outer lever (11c) extending to the outside, provided with a plurality of seating holes (11e) coupled to the arm case (13). The method of claim 2,
The link portion 23 has a plurality of fixed ends bent outwardly to be fixed to the shaft center hole 25a in which the rotating shaft 22a of the motor 22 is inserted in the center and the outer case 21 at the outer end thereof. A motor fixing guide 25 having a 25b; A link shaft core 26a to which the rotary shaft 22a is recessed and coupled, and a rotary link 26 provided with a disk-shaped power transmission plate 26b formed on the link shaft core 26a; The link connecting bar 27a coupled to one side of the power transmission plate 26b to be rotatable, and the link connecting bar so that the power transmitted to the link connecting bar 27a is transmitted to the inner lever 11b. A conversion link 27 having a power transmission rod 27b extending upwardly from 27a); A rectangular power guide hole 28a is coupled to the upper portion of the motor fixing guide 25 to be fixed to the outer case 21 and has a rectangular through hole in the front and rear to guide the reciprocating motion of the power transmission rod 27b. Respirator drive device, characterized in that consisting of a power transmission guide (28). The method of claim 1,
The arm case 13 is coupled to the pressing member (13a) for pressing the outer surface of the air bag (B) to the inner side facing each other,
The pressing member 13a extends backward from the center back of the pressing surface 13b and the pressing surface 13b pressed against the outer surface of the air bag B, and is seated inside the arm case 13. A driving device for a respirator, characterized in that the pressing surface supporting rod (13c) formed with a departure prevention piece (13d) on the outer periphery to prevent the departure. The method of claim 1,
The motor controller 24 has a constant voltage board 24a for supplying power at a predetermined voltage when power is supplied to the motor 22, and a variable resistor 24b for adjusting the voltage supplied from the constant voltage board 24a in multiple stages. Is provided,
The outer case 21 includes a power connection terminal 21a for supplying external power to the motor control unit 24, a voltage regulating terminal 21b coupled to the variable resistor 24b, and a constant voltage board ( 24. A ventilator drive device, characterized in that consisting of a switch (21c) for turning on and off the supply of the external power supplied to. The method of claim 3, wherein
On the outer circumference of the rotating shaft 22a is provided with a power transmission surface 22a 'cut into a planar shape so that the power of the motor 22 is easily transmitted.
The inner periphery of the link shaft core (26a) is a drive device for a manual respirator, characterized in that the rotating shaft inlet surface (26a ') formed in a planar shape so that the power transmission surface (22a') is recessed and fixed.

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