KR0133496B1 - Resuscitation and inhalation device - Google Patents

Abstract

The present invention relates to a flow control valve device.

The flow of oxygen or gas is regulated by a control valve, and the control valve itself is controlled by a movable member acted by the pressure of oxygen or gas in the chamber after flowing through the control valve.

When the preset maximum pressure is reached, the valve member is moved to close the control valve.

The movable valve member is operated by an adjustable magnetic field, and the magnetic field strength sets the pressure at which the valve member is moved.

Oxygen or gas enters the regulating valve by means of two alternating suction valves, in which the intake valve for resuscitation flows through the mask only with oxygen or air, and the intake valve for intake is a mixture of oxygen or gas and air or other gases. Supplied through a mask.

Description

Flow control valve device

1 is a vertical sectional view of the device according to the invention.

FIG. 1A is a partial side view along the direction of arrow A in FIG. 1 with the button head 3 omitted for clarity.

2 is a cross-sectional view taken along the line II-II of FIG.

Figure 3 is a schematic diagram showing the application of the flow control device to the main oxygen connection of the device according to the invention.

4 is a schematic illustration of a connector for providing a pressure relief valve.

* Explanation of symbols for the main parts of the drawings

10: connector 12: first suction valve

13 button 14 second suction valve

20: housing 21: oxygen flow control valve

25 magnetic member 30 valve member

32: spring 35: annular member

40 valve seat member 42 spring

44,48 chamber 50: passage

54: deflector

The present invention relates to a flow control valve device.

In particular, one aspect of the invention relates to a flow control valve for use in an apparatus for regulating the source of fluid.

As long as the present invention has a special use as a flow regulating valve for a device such as a suction device, the flow regulating valve may be used for various purposes as described below. The same device will be mentioned in particular.

Resuscitation masks that supply oxygen or gas to a person for breathing and inhalation are known, in which case a mixture of oxygen or gas and air or other gas is supplied to the person.

And the resuscitation gas is mainly used by non-medical personnel, such as firefighters, police and ambulance personnel.

Since data on the person to be treated is usually not available, great care should be taken to ensure that unfortunate events do not occur, especially with respect to the person to be treated.

Oxygen or gas supplied to the human lung is typically supplied to a vessel of relatively high pressure.

The present invention provides a resuscitation and suction device suitable for manual operation by non-medical personnel.

A safety device is provided to ensure that the safe maximum pressure is not exceeded. Under pressure, oxygen or gas enters during operation of the intake valve and flows through the first open valve to the chamber. Oxygen or gas in the chamber acts on the movable valve member that moves against the magnetic field that causes the first valve to close when the oxygen or gas pressure in the chamber reaches a safe and predetermined maximum pressure.

Oxygen or gas flows from the chamber through the connection to the face mask.

At this time, the lungs expand, and then the patient begins to exhale.

The patient's breath leaks past the actuation valve member.

At the end of the breath divergence step, the movable valve member moves under low spring pressure to open the first valve.

The initial pressure of the movable valve member is set by the strength of the magnetic field received by the movable valve member, which can be adjusted.

Respiration of oxygen or gas continues to revive as long as the intake valve remains open.

For inhalation, when a mixture of oxygen or gas and air or other gas is inhaled by the patient in a continuous supply, the second valve is activated to enable continuous supply of oxygen or gas.

By the connecting portion, oxygen or gas flows back to the chamber through the first opening valve.

The same adjustment of the maximum oxygen or gas pressure is effected by the movable valve member.

The oxygen or gas then flows through the mixture chamber where it is mixed with air or other gas and then flows to the face mask.

As a known technique, there are many documents regarding flow control valves, and for example, the following US patents can be exemplified.

3039481-Shreiber and his colleagues (1962); 3209748-Thomas (1965); 4606339-Wilter (1986); 4664355-Kubachi (1987); 4796619-Wilter (1989); 4825904-Grow and his colleagues (1989); 40402779-Stainhof (1989); 2364626-Emerson (1944); 3279487-Elam (1966); 3333358-Robinson and his colleagues (1967); 3509899-Huson (1970); 3610237-Baccaro and his colleagues (1971); 4297999-Kitrel (1981); And 4349015-Alpernes (1982).

The document shows a valve which contains a very complex part and has a limited use due to its structural features.

Some of these documents describe the use of magnetic valves (eg, US Pat. Nos. 4,435,55 and 4796619), and US Pat. No. 47,966,19 allows for the source of a single inlet gas fluid.

There is a need for a relatively simple, reliable and economical device that can be used in different functional ways. To this end, one feature of the present invention is that the energy required to change the valve state is associated with the magnetic valve and is dependent upon the pressure in the variable pressure device. It has the feature that it is derived from the magnetic properties of the valve with a little help using relevant working parts.

According to another feature of the present invention, the first flow control valve, the movable valve member acting by the pressure of the first gas in the chamber and acting on the adjustable magnetic field, allowing the first gas flow to the first gas flow control valve It consists of an alternating gas intake valve, the first operation of the intake valve permits flow only when held in the operating position and also blocks the flow of the second gas to the mixing chamber of the device, and the second operation of the intake valve Is also provided with a resuscitation and suction device configured to allow continuous flow of the first gas to the first gas flow control valve.

In a preferred embodiment of the device, the device has a variable magnetic distance and therefore the distance between the magnetic members can vary.

Furthermore, the device preferably comprises a housing and an annular sheet member of the housing, wherein the movable valve member can be positioned on the annular sheet member and seated on the sheet of the annular sheet member, the sheet member providing a distance between the magnetic members. It is movable to change.

According to another preferred feature of the invention, the device comprises an outer sleeve of the housing, a screw between the sleeve and the housing, and a means for connecting the sleeve to the sheet member, wherein the rotation of the sleeve of the housing causes the magnetic element to rotate. The distance between them changes.

According to a further preferred feature of the invention, the device comprises an annular magnet in the housing, the annular seat being aligned with the movable valve member and spaced apart at regular intervals and having a flow regulating valve arranged to axially move in the annular magnet.

According to a further preferred structure of the present invention, the apparatus has a first oxygen or gas intake valve comprising an actuating member, the actuating member comprising, for example, mounting means such as buttons axially slidable in the valve seat member, The intake valve consists of a bowl valve and the installation means or buttons comprise an extension for lifting the bowl valve from its sheet when the button is in motion, and the biasing means biases the button to the inoperative position. In this structure, it is preferable that the second suction valve is composed of a needle valve.

According to a preferred feature of the structure, the apparatus has a gas flow control valve comprising a stem and a head, the movable valve member acts as an end of the stem, and the head forms a sheet at an end remote from the movable valve member. The device preferably includes an inset or insert in the annular magnet, the stem being axially movable in the inset or insert, the flat portion of the stem extending its length for the flow of gas through the stem. have.

According to another preferred feature of the invention, the device comprises an inlet for supply of gas to an alternating first and second gas intake valve, wherein a control valve is installed at the inlet for regulating gas flow, the control valve being A first flow passage that is always open for minimum gas flow and a second openable flow passage for additional flow of gas with a predetermined maximum gas flow.

The flow regulating device of the present invention can be housed in a suitable housing of a suitable material, for example a housing of plastic or nonmagnetic metal material can be used.

In particular, when using the flow regulating valve of the present invention in a resuscitation and suction device, the housing is hermetically and dustproof to prevent undesirable particulate matter from entering the flow regulating valve.

When used in an inhalation device, the device of the present invention may be equipped with a suitable connection to a gas fluid source such as oxygen or other desired gas.

Thus, the device of the present invention can be connected to a conventional mask through a suitable conduit connection.

In a preferred embodiment, of course, the electromagnet can be used as a suitable current source for various applications, but the magnetic member is a permanently magnetized permanent magnet.

The apparatus of the present invention enables the regulation of gas flow, and compared to the known apparatus using springs for regulating the apparatus of the present invention, the magnetic valve device allows for very clear and fine adjustment when necessary.

Thus, the device of the present invention can be used in many types of safety valves that require precise control for accurate control of gas flow.

The main safety feature of the present invention is that the valve of the present invention is released under the condition that the comparable spring-type valve will maintain pressure.

Moreover, the valve of the present invention is independent of position compared to the known device.

Other possible uses for the regulating valve of the present invention include the use of a clutch drive to compensate for wear on the clutch plate, or in a thermally active device requiring complete release under operating conditions.

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

As shown in Figs. 1 and 2, the device is intended to be installed in a conventional face mask (not shown), and a connector 10 is formed which is connected to the inside of the mask by suitable means.

It is supplied to the device at oxygen or gas connection 11.

The first oxygen intake valve 12, which may be a valve, is actuated by a button 13, and the second intake valve 14, in the form of a needle valve, may provide a continuous flow of oxygen.

The apparatus consists of a main housing 20 in which an oxygen flow control valve 21 having a stem 22 and a head 23 is installed.

The head 23 acts to block the flow through the hole 38 in the closed state, and the Teflon TM member 24 holds the annular magnetic member or magnet 25.

The head 23 forms the sheet member of the valve 21.

Positioned in alignment with the valve 21 is a valve member 30 made of, for example, Teflon, to which a magnetic metal member 29 is attached.

The valve member 30 is moved in an adjustable sleeve 31 which can be moved by rotation in the housing 20 to preadjust the distance between the magnetic metal member 29 and the magnet 25.

The spring 32 biases the valve member 30 downward from the sleeve 31 toward the annular flange 33.

The valve member 30 has an annular flap valve 34 under the main part.

The flap valve is held on the valve member 30 by the annular member 35 and can be moved slightly in the axial direction.

The inner portion 24 has a rim 36 extending upwardly and outwardly forming the annular sheet 37.

In its downward position the flap valve 34 is seated on the annular sheet 37.

This initially prevents the valve member 30 from seating on the flange 33.

The button 13 slides in the valve seat member 40 on which the valve 12 is seated, and the valve 12 is biased relative to the valve seat member 40 by the spring 41.

The button 13 is biased by the spring 42 to the angular position.

The button 13 is limited by the motion of the action on the spring 42 by the pin (71).

For resuscitation the button 13 is pressed with a stem 43 which lifts the valve 12 from its sheet member 40 at its inner end.

Oxygen flows through the connecting portion 11 through the valve 12 to the chamber 44 and the chamber below the head 23 of the valve 21 by the passage 45 and the groove 46 and the passage 47. Flow to (48).

When valve 21 is open, oxygen flows through chamber 38 to chamber 27.

From the chamber 27, oxygen flows through the passage 50 into the chamber 51 and through the filter 52 into the connector 10 and then into the face mask.

Oxygen of the chamber 27 acts on the lower end of the valve member 30, and when the pressure of the chamber 27 reaches the maximum desired pressure, the valve member 30 moves as shown by the dotted line 30 '. To allow the valve 21 to close.

The valve 21 is closed under the flow of oxygen from the passage 47.

This means the end of the inhalation phase of the patient.

The patient then exhales the air from the vent 53 through the valve member 30 via the chamber 51, the passage 50, the chamber 27, and via the recess 70, Is deflected by the deflector 54.

When the patient stops breathing out, the valve member 30 is returned by the spring 32.

The flap valve seal ring 37 is first moved, and then the valve member is gradually moved downward.

The valve 21 is opened and this sequence is restarted.

The pressure at which the valve member begins to move depends on the magnetic effect of the magnet 25 on the magnetic metal member 29.

This can be determined by changing the distance between the magnet 25 and the magnetic metal member 29, which is achieved by an adjustable sheet member.

For inhalation, an adjustable continuous flow of oxygen is provided by the valve 14.

Oxygen flows from the connector 11 through the grooves 60 and 61 and the passage 62, passes through the valve seat member 40 into the groove 46, and through the passage 47 the chamber 48. Flows into.

Then it flows through the valve 21 into the chamber 27 and through the passage 50 into the chamber 51.

In the resuscitation method, when the button 13 is pressed, the annular sheet 65 blocks entry to and from the passage 66, otherwise air is allowed to enter the chamber 51, and in addition, the passage 67 Access to) is blocked.

In the suction mode, the button 13 is at an external position, so that air flows into the chamber 51, mixes with oxygen, flows into the connector 10, and also into the chamber 27. The passage 66 is more clearly shown in FIG. 1a and also in FIG.

The valve member 30 acts in the same way to adjust the maximum oxygen pressure on the chamber 27.

When the predetermined maximum pressure is reached at the end of suction, the valve member 30 is moved to close the valve 210.

At the end of the breathing action, the valve member 30 opens the bar 21 to allow this sequence to begin again.

The vomiting breath exits the passage 67 through the chamber 51.

For safety and other reasons, the supply of oxygen can always be via a control valve that allows a predetermined minimum flow.

3 shows such a valve 75 connected to an oxygen connection 11, where an oxygen supply is connected to the oxygen valve 75 at the inlet 76.

The valve adjusting member 77 has a central hole 78 at its lower end, and the crossing holes 79 are spaced apart at regular intervals from the seating position of the valve adjusting member 77.

The hole 80 connects the tooth 76 to the chamber 81 below the valve control member 77.

When closed, the valve adjustment member 77 is seated around the upper side of the chamber 81, but still minimal flow occurs through the holes 78 and 79 into the chamber 82 and then through the holes 83 Occurs with one valve 12 (see also first, second and third).

Holes 78 and 79 regulate the minimum flow.

When the valve 12 is opened by the operation of the adjustment member 77, the flow is increased at the bottom of the control valve 77 or the upper periphery of the chamber 81.

The maximum flow that can be obtained can be set by the diameter of the hole 83.

The valve 75 regulates the minimum flow of oxygen that is always available to the device and the maximum flow that can be provided to the device.

In practice, the various valves in the device regulate the flow of oxygen to the user, for example a minimum flow of 90 l per minute.

Figure 4 shows that the auxiliary connector 110 is connected to the connector 10 of the control valve assembly is connected to one side 112.

The through hole 114 includes a pressure relief valve 116.

A facial mask 117 or other form of gas venting means is connected to the hole 114 of the connector 110 at the portion 118.

In addition, the pressure gauge 120 may be connected to the hole 114.

Accordingly, the present invention provides a device that can be used for resuscitation or inhalation as needed.

Despite the pressure of the oxygen supply, the maximum pressure that can be applied to the lungs is safely controlled.

The device is manually operated for resuscitation and can be set to be non-manually adjustable for inhalation. Compared with many types of devices already in use, the devices of the present invention are very quick and very simple to apply.

This allows the patient to start treatment very quickly for important features that do not breathe or have no pulse.

Some known embodiments assist in breathing but do not actually survive the patient as in the present invention, which undergoes a positive pressure supply and a release of free air pressure between cycles.

Embodiments of the prior art that require adjustments to increase and decrease pressure and have instruments for monitoring are not suitable for emergencies.

The present invention provides a device that is light and portable, quick to apply, actuated and released at a safe pressure, is simple to use and automatic in function.

The present invention can be modified in various ways to the above-described embodiment without departing from the spirit or scope of the present invention.

Claims (13)

housing; A chamber in the housing; A valve member reciprocally installed in the chamber and operated by a gas pressure of the chamber; An annular sheet in the housing under the wing valve member; An annular valve positioned in said valve member and having a limited axial movement; A flow control valve actuated by the valve member to an open position; Means for connecting a high pressure source to the inlet of the flow control valve; Means for connecting a variable pressure volume to said chamber; Means for selectively connecting a low pressure volume to said chamber; A first magnetic member on the valve member; And a second magnetic member opposed to the first magnetic member at a predetermined interval. The valve member is seated on the annular sheet when reaching the closed position, and one of the first and second magnetic members is magnetized to suppress movement of the valve member by the gas pressure of the chamber, and the valve The member is moved against the suppression when the variable pressure reaches a predetermined maximum value to enable closing of the flow control valve as well as the softening of the low pressure volume in the chamber, and the valve has a variable variable pressure. And when the predetermined low value is reached, the flow control valve device is configured to move relative to the suppression to open the flow control valve. The flow regulating valve apparatus according to claim 1, wherein the distance between the magnetic members is variable. 3. An annular sheet member according to claim 2, comprising a housing and an annular sheet member in the housing, wherein the valve member is positioned in the annular sheet member to allow seating on the sheet of the annular sheet member, the annular sheet member being the magnetic member. Flow control valve device characterized in that the movable so as to change the distance between. 4. The housing of claim 3, wherein the housing comprises a main housing member, a sleeve on the housing, and a screw between the sleeve and the housing, wherein the distance between the magnetic members is changed by rotation of the sleeve on the housing. Flow control valve device characterized in that 4. The flow regulating valve of claim 3, further comprising an annular magnet in the housing which is aligned with the movable valve member and spaced apart by a predetermined distance. Device. The flow regulating valve apparatus according to claim 1, wherein the valve member is a needle valve. 5. The valve member of claim 4, wherein the valve member includes a stem and a head, and a movable valve member acting on an end of the stem, wherein the head forms a sheet at an end remote from the movable valve member. Flow control valve device. 8. The device of claim 7, comprising an inset of the annular magnet, wherein the stem is axially movable in the inset and installed in the stem to extend its length for the flow of gas past the stem. Flow control valve device comprising a. The flow regulating valve device according to claim 1, wherein the magnetizing member is a permanent magnet. The flow regulating valve apparatus according to claim 1, further comprising alternating first and second gas suction valves for supplying a first gas to the flow regulating valve under pressure. The control valve of claim 1, further comprising an inlet for supplying the gas to the alternating first and second gas intake valves, and a control valve installed at the inlet to regulate gas flow through the inlet. And a second openable flow passage for additional flow of gas up to a predetermined invitation, the first flow passage always open for a predetermined minimum gas flow. The method of claim 1, further comprising: a connector having a connecting means for the gas supply member, the connector being connected to the connecting means, wherein the connector comprises a pressure relief valve and a connecting means for the gas supply member. Flow control valve device. 13. The flow regulating valve device according to claim 12, further comprising a pressure gauge connecting part installed at the connector.