JP2846984B2 - Resuscitation suction device and flow control valve device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flow control valve device for controlling a fluid source in equipment such as an inhaler, and a resuscitation inhaler using the same.

[0002]

BACKGROUND OF THE INVENTION This onset bright, cheap to people who are not medical professionals provide manually operable resuscitation-inhaler device, the present invention is to ensure the that never exceed the maximum pressure the gas pressure is safely < The whole device is included. Various valves are conventionally known.

[0003]

THE INVENTION It is a problem to be solved] However, the conventional
A major disadvantage of the technology is that such valves have a complicated structure or their structural features limit their application.

It is therefore an object of the present invention, in various pressure system includes a solenoid valve can be used in different modes, a relatively simple, Ri reliability Oh, provide economical device lies in the fact.

[0005]

Means for Solving the Problems, and the action] of the present invention
According to a first aspect, the room (27) and the interior of the room (27)
It is housed so as to be able to reciprocate and depends on the gas pressure in the chamber (27).
(30) and the valve member (30)
The open state are driven me flow control valve (21), said
High pressure gas at the inlet (76) of the flow control valve (21)
Means for connecting a supply source (75) and a body in said chamber (27);
Means for connecting the pressure medium volume is changed, the chamber (2
Means for selectively connecting the low pressure of the medium to 7), wherein
The first magnetic member (2) attached to the valve member (30)
5) and a position facing the first magnetic member (25).
A second magnetic member (29) provided separately.
And, wherein the first magnetic member and the second magnetic member (25,2
9) one of the magnetic members is magnetized to form the first magnetic member;
Between the conductive member (25) and the second magnetic member (29)
By the gas pressure in the chamber (27)
The movement of the valve member (30) is restricted, and the valve member (30) is restrained.
Indicates that the pressure change of the gas reaches a predetermined maximum pressure.
Moving from the constrained state, the flow control valve (21)
Can be closed and the low pressure medium is introduced into the chamber (27).
Body is permitted to flow into the connecting portion (11), before
The valve member (30) is configured so that the pressure change of the gas is a predetermined low pressure.
When the force is reached, it moves out of the restrained state and
A flow control valve device that can open the control valve (21)
Provided.

According to another aspect of the present invention, a chamber (2)
7) and the flow rate of the gas flowing through the first magnetic member (25)
A gas flow control valve (21) for controlling
The magnetic member cooperates with the gas flow control valve,
Driven by the pressure of the gas in said chamber (27),
A movable valve member (3) having a second magnetic member (29)
0) , wherein the resuscitation inhalation device comprises:
In the apparatus, the first and second magnetic members (25,
29) one of the magnetic members (25) is magnetized
The magnetic field of the one magnetic member (25) is
(29) acting on the gas pressure in the chamber (27)
To restrain movement of said movable valve member (30), the resuscitation inhalation
The device is pressed against said gas flow control valve (21).
First and second gases that allow the first gas to flow alternately
Inlet valve (12, 14) further comprising, the resuscitation suction instrumentation
The gas inflow valve for allowing the gas to flow alternately.
The first gas inflow valve (12) is manually moved to the drive position.
Only when it is held, the inflow operation becomes possible.
The second gas inflow valve (1) of the gas inflow valve for inflowing gas
4) Continuous gas flow to the gas flow control valve (21)
Allowing the incoming operation, the resuscitation inhalation device, mixed externally
Gas access means for flowing a second gas into the chamber (51)
(50), wherein the resuscitation inhaler includes the first gas.
When the inlet valve (12) operates, the alternately operated second
The gas access valve in cooperation with the gas inlet valve (12)
Valve seat means (40) for closing the step (50).
And, whereby said first gas inlet valve (12) is operating
Then, the first gas flows to the connection part (10) and
And the second gas inflow valve (14) operates.
And the first gas flows to the connection portion (10),
The second in the mixing chamber (51) before flowing to the mask
Resuscitation inhalation device characterized by being mixed with
Provided.

Furthermore Oite to another aspect of the present invention, the present invention includes a first gas flow control valve, against the adjustable magnetic field, and a movable valve member actuated by the pressure of the first gas in the chamber first 1
Two gas inflow valves that allow the gas to flow to the first gas flow control valve, the first gas inflow valve flowing the gas only when held in the driving position; 2 gas is blocked from flowing into the mixing chamber, and the second gas inflow valve is
Provided is a resuscitation inhalation device that continuously flows gas into a first gas inflow valve.

[0008] In a preferred embodiment of the present invention ,
The device of the present invention can change the magnetic distance.
Further, the device is preferably located in a housing, an annular seat member in the housing and in the annular seat member,
A movable valve member that can be seated on a seat in the annular seat, wherein the annular seat can move to change the distance between the magnetic members.

[0009] In another preferred aspect of the present invention, having an inlet for supplying alternating gas to the first and second gas inlet valve, the inlet, for controlling the gas flow through it A control valve is mounted, the control valve having a normally open first flow path for flowing a predetermined minimum amount of gas flow, and an open state for generating a predetermined maximum amount of gas flow. A possible second flow path.

One feature of the invention described above is that the spring-type valve is opened while the pressure is maintained. Furthermore, the valve of the present invention has the feature that it is position independent compared to prior art systems. Other applications of the control valve of the present invention include a clutch drive or a thermal drive.
There is the use of valves in heat-activated systems.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in more detail with reference to embodiments shown in the accompanying drawings. FIG. 1 to FIG. 1 show a first embodiment of the present invention.
5 will be described. FIG. 1 shows an embodiment of the present invention.
It is a longitudinal cross-sectional view of a raw inhaler. FIG. 2 is a view of the apparatus of FIG.
It is the partial side view seen from the direction of line A. FIG. 3 is an arrow of FIG.
It is a cross-sectional view by line of sight DD. FIG. 4 is a line of sight of FIG.
It is a cross section by EE. FIG. 5 shows the oxygen shown in FIG.
FIG. 3 is a cross-sectional view of a flow control valve, an electromagnetic member, and an insertion member.
The resuscitation inhaler shown in FIGS. 1 to 4 can be mounted on a face mask (not shown) during resuscitation inhalation . The apparatus, as illustrated in FIG. 1 has a connecting portion 10 which communicates with the interior of the face mask, oxygen gas for inhalation
It is supplied to the connection unit 11.

As illustrated in FIGS. 1 and 3, the first oxygen intake valve 12 such as a ball valve is driven by a push button member 13. As illustrated in FIGS. 3 and 4, the oxygen intake secondary , preferably in the form of a needle-type valve ,
Valve 14 provides a continuous flow of oxygen. Oxygen intake 1
The valve 12 and the second oxygen intake valve 14 act alternately according to the invention.
This is equivalent to a valve. As illustrated in FIG. 1, the main housing 20 and oxygen flow control valve 21 is attached, the oxygen flow control valve 21 is the stem 22 and the head 23
And The stem 22 has a flat portion.
Of the oxygen intake first valve 12 extends in the longitudinal direction.
Oxygen gas introduced into the chamber 44 from the
Drain into chamber 27.

As illustrated in FIGS. 1 and 5, the Teflon (trade name) member 24 holds an annular magnetic member 25, and the stem 22 of the oxygen flow control valve 21 is
6 move in the lumen . Head 23 of oxygen flow control valve 21
Forms a seating member for the oxygen flow control valve 21. sit down
The member refers to, for example, the open / close state of the oxygen flow control valve 21.
The head 23 is a member defining the inner cavity of the insertion member 26.
The oxygen flow control valve 21 is open when
In the released state, the head 23 closes the lumen of the insertion member 26
Then, the oxygen flow control valve 21 is closed. The member 24 is housed in the chamber 27. Further, the valve member 30 is provided with an oxygen flow.
Aligned with the control valve 21 , a magnetic metal member 29 is attached to a lower portion of the valve member 30 by a bolt 28.
The valve member 30 is in a position adjustable seat 31 as possible out to move in the axial direction by rotating in the housing 20
The distance between the magnetic metal member 29 and the magnetic member 25 is set in advance. Magnetic member 25 and magnetic metal member 29
Are equivalent to the two magnetic members of the present invention, and
They act on each other. This magnetic force causes the valve member 30 to be described later.
The opening and closing conditions are specified as follows. Therefore, opening of the valve member 30 is performed.
To change the closed state, the magnetic member 25 and the magnetic metal
By changing the magnetizing force of one or both of the members 29
Or the distance between them may be changed.
The distance between the magnetic member 25 and the magnetic metal member 29
Making it possible.

The spring 32 urges the valve member 30 lightly downward.
The valve member 30 contacts the seat 33 of the seat member 31
I have. On the other hand, as illustrated in FIG. 5, of the insertion member 26
The cavity may have a groove extending along the lumen acid
Scan Temu 22 elementary flow control valve 21 has a cylindrical shape. The oxygen collection device urged against the valve member 40 by the spring 41
The push button member 13 moves within the seat member 40 on which the first inflow valve 12 is seated. The push button member 13 includes a spring 42
Urged outward by the push button member 13
Outward movement of is restricted by the pin 71.

[0015] FIG. 5 shows the O- ring 39, O-
The ring 39 seals the insertion member 26 and the magnetic member 25 from the housing 20 . When the push button member 13 is pushed into the housing 20 for resuscitation work ,
As illustrated in FIG.
Oxygen intake first valve 12 moves away from the seat member 40 by the scan Temu 43 location. And oxygen flows through connection 11
Into the chamber 44 through the first oxygen intake valve 12,
Oxygen flow control through channel 45, groove 46, and channel 47
It flows into a chamber 48 in which the head 23 of the valve 21 is accommodated .

If the oxygen flow control valve 21 is open, the chamber
The oxygen introduced into 48 is the stem 2 of the oxygen flow control valve 21.
2, flows into the chamber 27, passes through the flow path 50, the chamber 51, and the filter 52, and flows into the connection portion 10 . Connection
A face mask for performing inhalation is connected to the unit 10.

Oxygen in [0017] chamber 27 acts on the valve member 30, the chamber
Valve when the pressure of the oxygen in 27 has reached a predetermined maximum pressure
The member 30 moves upward . With the rise of the valve member 30
The oxygen flow control valve 21 also rises, and the oxygen flow control valve 21
The head 23 closes the lumen of the insertion member 26 and controls the oxygen flow.
The valve 21 is closed. Thus, oxygen flow control
The valve 21 is closed by the action of the flow of oxygen gas flowing through the flow path 47. When the oxygen flow control valve 21 closes
Thus inhalation stage of resuscitation inhaler device is completed.

[0018] The ejection Then, patients undergoing resuscitation inhalation breath
Extract, via the breath chamber 51, the passage 50, the chamber 27,
It passes through the valve member 30 via the recess 74, is discharged to the outside of the resuscitation inhalation device from the ventilation hole 53, the breath deflector 54
Deflected outward . When the discharge is completed, the spring 32 returns the valve member 30 to the position illustrated in FIG.
You. As a result, the valve member 30 moves the oxygen flow control valve 21 down.
To open the valve 21. The above steps are repeated again. The pressure at which the valve member 30 starts to move is determined by the magnetic member ( magnet ) 2 obtained by the position- adjustable seat member 31.
5 and the magnetic metal member 29. Magnetic part
Oxygen intake against the magnetic force between the material 25 and the magnetic metal member 29
The pressure of oxygen introduced from one valve 12 and flowing into the chamber 27 is
When the member 30 is pushed up, the head of the oxygen flow control valve 21 is moved.
23 closes the lower end of the insertion member 26 and the oxygen flow control valve 21
Is closed.

[0019] A continuous, controllable oxygen flow for inspiration
It is provided by a second oxygen intake valve 14. Oxygen is in contact
From connection portion 11 through the grooves 60 and 61, passes through the flow path 62
Then, it passes through the valve seat member 40 , enters the groove 46, and flows into the chamber 48 through the flow path 47 . A continuous oxygen flow is an oxygen flow
It passes through the control valve 21 and enters the chamber 27, through the flow path 27
The room 51 is reached. Push button member 1 in resuscitation mode
When 3 is pushed inside the resuscitation inhalation device, said press annular seat 65 of <br/> button member 13 the channel 66 and 67 and the outside air
Cut off access (communication) with (air) . In inhalation mode, the push button member 13 is in the outward position, the outer
The air (air) flows into the chamber 51, mixes with the oxygen, and connects.
It flows into the part 10 and the chamber 27. The channel 66 is more clearly illustrated <br/> In Fig 2 and 4.

The valve member 30 is in the position illustrated in FIG.
The magnetic metal member 29 below the valve member 30 controls the oxygen flow.
When the stem 22 of the valve 21 is pushed, the head 23 is inserted into the insertion member 2.
A gap through which oxygen passes is formed in the enlarged part (lumen) at the lower end of 6.
You. That is, the oxygen flow control valve 21 is opened.
Thereby, the oxygen introduced from the oxygen intake first valve 12 is
It makes it possible to introduce into the chamber 27, the maximum oxygen chamber 27
Controlled so that the pressure reaches a predetermined maximum pressure. Room 27
When the maximum oxygen pressure reaches the maximum suction pressure, the magnetic part
Valve member 30 against the magnetic force of material 25 and magnetic metal member 29
Is moved upward, and the stem 22 of the oxygen flow control valve 21 is also moved.
You can go up. Thereby, the oxygen flow control valve 21
The pad 23 closes the lower end of the insertion member 26. Sand
The oxygen flow control valve 21 flows from the first oxygen intake valve 12
Closed by oxygen. At the end of the discharge process, the next time
The valve member 30 is moved to the position shown in FIG.
The magnetic metal member 29 at the lower part is lowered to the oxygen flow control valve.
21 by pushing the stem 22 to move the head 23 into the insertion portion 26
Lower to the lower enlargement. As a result, the oxygen flow control valve
21 is open. When the oxygen flow control valve 21 is open
The patient's exhaled breath is discharged from the channel 67 through the chamber 51.

FIG. 6 shows an apparatus for adjusting the position of the seat member 31. The position of the seat member 31 can be adjusted by rotating the outer member.
The rotatable sleeve 70 is performed by the sleeve 70.
Is screwed with the housing 20 by a screw 71 ,
It is fixedly connected to the seat member 31 by a screw 72 .
You . Seat member 31 are <br/> attached take the cap member 73 and the deflector 54 moves together with the sleeve 70. Seat member 3
By the movement of 1, the distance between the magnetic member 25 and the magnetic metal member 29 changes. The magnetic member 25 and the magnetic metal member 29
The driving condition of the valve member 30 is defined by the magnetic force. this
Oxygen intake first valve 12 to chamber 27 due to change in distance
Valve member 3 driven by the pressure of the introduced oxygen gas
The rise condition of zero changes, resulting in oxygen flow control
The opening / closing condition of the valve 21 changes.

[0022] Figure 6 shows a modification of the oxygen flow control valve 21. The stem 22 of the oxygen flow control valve 21 is shown in FIG.
Information, preferably has a circular cross-section, the insert 26
Can reciprocate in the bore 34 of, and will be relatively hermetically fitted into the lumen 34, it is freely slidable therein. The stem 22 has a reduced section 35 just above the head 23 of the oxygen flow control valve 21 . Head 23
Is located in the enlarged portion of the lumen 34 and is illustrated in FIG.
<br/> seated against the O- ring (not shown) in FIG. 6 similar to. The lower end of the insertion member 26 has an annular chamber 48. In Figure 6, instead of a single flow channel 47 of the housing 20 as shown in FIG. 1, it is provided with two lumens 37 that are separated from one another and opens into the chamber 48. An O-ring (not shown) located at an enlarged portion of the lumen 34
A lumen 38 extends upwardly from a lumen 34 behind the ring and opens into the chamber 27. When the oxygen flow control valve 21 is opened <br/> mouth, oxygen flow through the lumen 37, the oxygen flow
Passing the head 23 of the control valve 21 and the said O- ring,
Then , it reaches the chamber 27 through the lumen 38. Oxygen flow control
The stem 22 of the valve 21 is guided by a lumen 34.
As illustrated in FIG. 6, the provision of two lumens 37, control
When the closed state of the control valve 21, through a single lumen, or similar flow paths, it is possible to avoid the injection action.

With an oxygen source connected to the inlet 76, oxygen can be supplied via a control valve 75 shown in FIG. The valve control member 77 has a hole 78 at its lower end, and also has a crossover hole 79 at an upper position appropriately separated from the seating position of the valve control member 77. Hole 80
Is a chamber 81 located below the inlet 76 and the valve control member 77.
And the communication. Referring to FIGS. 1, 3, and 7, even when the valve control member 77 is seated on the upper edge of the chamber 81 and closed, minimal flow occurs through the holes 78 and 79 and flows into the chamber 82. I do. It then flows through the hole 83 towards the valve 12. Holes 78 and 79 control the minimum flow. When the valve is opened by operating the member 77, the flow increases between the seated lower portion of the valve control member 77 and the upper edge of the chamber 81. The maximum flow that can be obtained is governed by the size of the hole 83. The present invention is not limited to the above embodiments.

[0024]

As is apparent from the above description, according to the present invention, the device of the present invention can be manually operated by a person who is not a medical professional. Further , according to the present invention, a safe, reliable and economical device can be provided.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of an apparatus according to the present invention.

FIG. 2 is a partial side view of the apparatus of FIG. 1 as viewed in the direction of arrow A.

FIG. 3 is a cross-sectional view taken along a line DD in FIG. 1;

FIG. 4 is a cross-sectional view taken along line EE of FIG. 1;

FIG. 5 is a cross-sectional view of the oxygen flow control valve, the electromagnetic member, and the insertion member shown in FIG. 1;

FIG. 6 is a sectional view of the upper part of the apparatus shown in FIG. 1;

FIG. 7 is a sectional view showing the application of a flow control valve to a main oxygen supply unit in the apparatus according to the present invention.

[Explanation of symbols]

10 connecting part 12 first valve 13 push button member 14 second valve 21 oxygen flow control valve 25 magnetic member 26 ..Insert member 29 ... Magnetic metal member 30..Movable valve member 31..Seat member 40..Valve seat member 51 ... Mixing chamber

Claims (12)

(57) [Claims] 1. A chamber (27) and a first magnetic member (25).
Gas flow control valve (21) for controlling the flow rate of gas flowing through
Wherein the first magnetic member cooperates with the gas flow control valve.
And driven by the pressure of the gas in said chamber (27),
A movable valve member (3) having a second magnetic member (29)
0) and a resuscitation inhalation apparatus comprising, in the resuscitation inhalation device, one of the magnetic member (25) are magnetized one of the first and second magnetic members (25, 29), said one of the magnetic field of the magnetic member (25) constrains movement of said movable valve member by said gas pressure in said chamber to act (27) (30) to the other magnetic member (29), the resuscitation inhalation device, wherein gas flow control valve to (21)
First Oyo may first gas is flowed alternately pressing state Te
Beauty second further comprises a gas inlet valve (12, 14), in the resuscitation inhalation device, allowed to flow into the gas in the alternate
That the first gas inlet valve of the gas inlet valve (12) is manually only inflow operation when held in driving position Ri is capable such <br/>, gas inlet valve for flowing gas into the alternate communicating the second gas inlet valve (14) of the gas flow control valve to (21)
It allows-sustaining gas inflow operation, the resuscitation inhalation device, comprising a gas access means for flowing a second gas from outside the mixing chamber (51) (50), the resuscitation inhalation device, the first Gas inlet valve (12)
In operation, the alternately operated first gas inlet valve (1)
A valve seat means (40) for closing said gas access means (50) in cooperation with 2), whereby said first gas inlet valve (12) is operated.
And the first gas flows through the connection portion (10) to form a mask.
Flow, wherein the second gas inlet valve (14) is operated, the first gas flows into the connecting portion (10), the mixing chamber prior to flowing to the mask the second in (51) A resuscitation inhaler characterized by being mixed with gas. 2. A has the first gas inlet valve (12) operating member (13), said operating member (13) is a valve seat within the member having the said valve seat means (40) comprising a slidable push button member in its axial direction, the first gas inlet valve (12) comprises a spherical valve, said push button member (13) is passed through communicating said chamber (27)
Communication with the first gas inlet valve (12).
The push button member (13) causes the extension portion (43) to move the first gas revenue valve (12) from the valve seat member (40). Separation
The chamber (27) and the first gas revenue valve (12)
And the first gas inflow valve (12) biases the push button member to a non-operating position.
The resuscitation and inhalation device according to claim 1, further comprising (2). 3. A chamber (27), which is reciprocally accommodated in the chamber (27),
7) a valve member (30) that is moved by the gas pressure in the inside, a flow control valve (21) that is driven by the valve member (30) to be in an open state, A) high pressure mo
And means for connecting the scan source (75), and means to connect the high pressure gas into the chamber (27), and means for selectively connecting the low pressure of the gas in the chamber (27), said valve member (30) a first magnetic member (25) attached to, and spaced apart in a position facing the first magnetic member (25) set
And a second magnetic member being eclipsed (29), at least one magnetic member of said first magnetic member and the second magnetic member (25, 29) is magnetized, before
Serial first magnetic member (25) and said second magnetic member (2
9) the gas in the chamber (27) by the magnetic force of
The movement of the valve member (30) due to pressure is restrained, and the valve member (30) changes the pressure of the gas to a predetermined maximum.
When a large pressure is reached, the flow control valve (21) can be closed , moving from the restrained state , and the chamber (2 ) can be closed.
To 7) the low pressure gas flows to the connection (11)
And the valve member (30) has a pressure change of the gas at a predetermined low level.
A flow control valve device capable of moving out of said constrained state and opening said flow control valve (21) when pressure is reached . 4. Apparatus according to claim 1, wherein the distance between the two magnetic members is variable . 5. A housing (20) and said housing (2).
0), the movable valve member (30) is disposed on the annular seat member (31), and a seat portion of the annular seat member (31) is provided. The annular seat member (31) is movable , and the distance between the two magnetic members (25, 29) can be changed. An apparatus according to claim 1. 6. An outer sleeve (70) is provided on said housing (20), said sleeve (70) and said housing (20) being screwed together by a screw portion (71), (70) with the seat member (3)
Claim 1 including means (72) for attachment to (1), wherein said distance between said magnetic members (25, 29) is changed by rotation of said sleeve (70) on said housing (20). An apparatus according to claim 1 or 5. 7. An annular magnet (2) in said housing (20).
5), and the annular magnet (25) is provided with the movable valve member (3).
0) and spaced, and are aligned, said flow control valve (21) according to claim 1 or 5 is mounted to move axially within said annular magnet (25). Wherein said valve member (21) has a stem (22) and head mounted on the distal end of the stem (23), said header of said movable valve member (30) is the stem (22)
The head (23)
The valve at the end remote from said movable valve member (30)
4. The device according to claim 1, wherein a seating portion for defining a state of opening and closing of the member is formed. 9. An insertion member (2) in said annular magnet (25).
6), and the stem (2 ) of the valve member (21) is provided.
2) is axially movable within the lumen of the insertion member (26), and is located at a position where the stem (22) is extended in the longitudinal direction, and gas passing through the stem (22) flows. 9. Apparatus according to claim 1 or claim 8, comprising means (46) for enabling the operation. 10. Apparatus according to claim 1, wherein the magnetic member is a permanent magnet . 11. An insertion member (2) is inserted into said annular magnet (25).
6) and the stem (22) of the valve member (21 ).
There Ri movable der axially within the lumen of the insert member (26),
The said insert member (26) and lumen provided along the longitudinal direction of the stem (22), and said stem (22)
The gap between the insertion member (26) and the lumen is set to the first
Apparatus according to claim 1 or 7 can be gas passes. 12. An inlet (7) for supplying the gas to the first gas inlet valve (12) and the second gas inlet valve (14).
6), a control valve (77) for controlling gas flowing through the inlet (76) is attached to the inlet (76), and the control valve (77) is normally open. It has one flow path (78) and can be opened to allow a predetermined minimum amount of gas flow and to increase the flow to allow a predetermined maximum amount of gas flow. The device according to claim 1, further comprising a second flow path (79).