JP2002306602A - Gas supply device for breathing - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a gas supply device for breathing capable of protecting a container valve, a pressure reducing means, a flow control means and a demand regulator in falling and having superior self-standing performance and portability. SOLUTION: This gas supply device for breathing is provided with a cylinder filled with gas for breathing, and a gas control means for breathing for controlling the supply pressure and/or supply flow of gas for breathing. The device is further provided with a protective means surrounding the whole of the cylinder including the container valve and the gas control means for breathing. The protective means has a flat base, and the top face thereof is provided with an opening part for inserting the cylinder and the gas control means for breathing.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a respiratory gas supply device used by patients with respiratory diseases. More specifically, the present invention relates to a respiratory gas supply device that includes means having a container valve protection function and a fall prevention function and that can be safely operated by a user.

[0002]

2. Description of the Related Art One of the most effective treatments for respiratory diseases such as emphysema and chronic bronchitis is oxygen inhalation therapy. It has come to be used. When performing oxygen inhalation therapy in a hospital or home, an oxygen-enriched air supply device or a large-capacity fixed oxygen cylinder is used.
When a patient goes out to a hospital or the like, a portable oxygen cylinder is mainly used.

[0003] In order to obtain high portability, the oxygen cylinder is
Lightweight using composite materials. The high-pressure cylinder using the composite material has a spherical shape on the opposite side of the container valve, that is, the bottom of the cylinder. Therefore, the oxygen cylinder is not self-supporting.

A portable respiratory gas supply device is provided with a portable 20 MPa high-pressure oxygen cylinder equipped with a pressure reducing means, a flow rate setting means, and a demand regulator which is a means for supplying oxygen in synchronization with breathing. A low-pressure oxygen gas of about 0.15 MPa is supplied to a cannula as a breathing gas supply means at a prescribed flow rate.

[0005] The pressure reducing means, the flow rate setting means, and the demand regulator are an integrated demand regulator in which the three means are integrated, or a structure in which all are separated, a structure in which the pressure reducing means and the flow rate setting means are integrated and the demand regulator is separated, There is a structure in which the setting means and the demand regulator are integrated and the pressure reducing means is separated.

[0006]

Generally, the respiratory gas supply device is mounted on a wheeled cart or bag and used while moving. Therefore, the user may fall or drop the breathing gas supply device. An impact is applied to the container valve by falling or falling, causing an accident due to gas leakage. The integrated demand regulator in which the pressure reducing means, the flow rate setting means, and the demand regulator are integrated is heavy, and the impact applied to the container valve at the time of falling is large, which is more dangerous.

[0007] The high-pressure oxygen cylinder is transported between a user's house and a gas filling company. Overturn, drop, collision,
Container valves may be damaged due to contact between cylinders. The damage is dangerous because gas leakage occurs.

[0008] A cylinder used as a respiratory gas supply device mainly has a structure in which glass fibers or carbon fibers are wrapped around a light metal container such as aluminum for reinforcement in order to reduce the weight. Therefore, the manufacturing tolerance of the outer diameter of the cylinder is large, and thermal expansion due to the temperature change of the atmosphere is also added, and the resin cylinder fitted into the bottom of the cylinder to make the cylinder self-supporting is naturally removed and the cylinder falls over, or In some cases, the cylindrical body cannot be removed.

[0009]

SUMMARY OF THE INVENTION An object of the present invention is to prevent such a problem from occurring and to provide a safer handling of a respiratory gas cylinder. As a result of intensive studies on such problems, the present inventors have found the following respiratory gas cylinder protection device.

That is, the present invention provides a breathing gas supply device including a cylinder filled with breathing gas and breathing gas adjusting means for adjusting a supply pressure and / or a supply flow rate of the breathing gas, including a container valve. A respiratory gas, comprising: a protective means surrounding the entire cylinder and respiratory gas adjusting means, wherein the protective means has a flat bottom surface and an opening on an upper surface into which the cylinder and respiratory gas adjusting means can be inserted. A supply device is provided.

Further, the present invention is characterized in that an opening or a transparent resin portion is provided on a side surface of the protection means so that at least half of the surface area of the cylinder can be recognized. The present invention provides a respiratory gas supply device having the above-mentioned circular opening or a rectangular opening having a side length of 1 cm or more.

The present invention also provides a respiratory gas supply device characterized in that the respiratory gas adjusting means includes demand regulator means for supplying oxygen in synchronization with respiration.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION
Equipped with an aluminum cylinder to reduce weight. Among them, a composite aluminum cylinder is preferable.Specifically, a glass FRP cylinder in which an inner surface is coated with an aluminum liner and the outer surface is fixed with a glass fiber reinforced epoxy resin, or a carbon in which the outer surface of the inner liner layer is fixed with a carbon fiber reinforced epoxy resin. An FRP cylinder or the like is used.

[0014] The bottom of the cylinder has a spherical shape, so that the user can carry the cylinder and easily place the cylinder vertically so that the lower surface spherical portion is covered with a cylindrical resin member. What is provided is used. However, the manufacturing tolerance of the outer diameter of the cylinder is large, and thermal expansion due to a change in the temperature of the atmosphere is also added. In the respiratory gas supply device of the present invention, the respiratory gas cylinder including the container valve and the protection means having a structure surrounding the entire respiratory gas adjusting means are provided. Openings are provided at opposite ends so that a respiratory gas cylinder can be put in and out of the openings.

An opening is provided near the cylinder container on the side surface of the protection means so that at least half of the surface area of the cylinder can be recognized, so that the surface color of the cylinder applied for identifying the filling gas can be confirmed. Enlarging the opening is preferable because the weight of the protection means can be reduced. By providing a transparent resin instead of the opening, the surface color of the cylinder can be confirmed.

By making the bottom surface of the protection means flat, the breathing gas supply device can stand alone even when the cylinder is inserted. There is no spontaneous separation or non-separation due to the difference in external dimensions caused by the production lot of cylinders.

A rectangular opening having a side of 1 cm or more is provided at the upper side of the protection means, at the end of the protection device facing the container valve when the cylinder is mounted, so that a fingertip can be inserted into the opening. It is possible to easily lift the respiratory gas supply device in which the cylinder is inserted, and it is possible to prevent a prohibited operation in the handling of the cylinder such as lifting and operating the valve or the respiratory gas adjusting means. The same operation can be performed by providing a circular opening having a diameter of 1 cm or more in the shape of the opening.

By providing such protection means,
When the respiratory gas supply device is overturned on the floor surface, the container surface of the cylinder or the respiratory gas adjusting means does not directly contact the floor surface, thereby preventing gas leakage and damage to the container valve and the like. I can do it.

The breathing gas adjusting means includes a supply pressure adjusting means such as a pressure reducing means for the breathing gas and / or a supply flow rate adjusting means, and further comprises a demand regulator means for supplying oxygen in synchronization with breathing. It is characterized by having. The above-mentioned protection means is a breathing apparatus in which a pressure adjusting means and a flow rate adjusting means are integrated or an integrated demand regulator in which a demand regulator is further integrated is mounted around a container valve of a breathing gas cylinder. It is particularly suitable for gas supply equipment. By processing the longitudinal length of the protection means more than the longitudinal length of the cylinder, etc., by inserting the integrated gas and breathing gas adjusting means filled with breathing gas into the protection means, The color applied to the cylinder surface can be confirmed, the device can be self-standing, and the device can be realized without gas leakage when falling down.

Although the protection means is made of aluminum, it is made of metal such as stainless steel or iron, ABS or PC, PO.
Similar results can be obtained with resins such as M, PP, and PS.

[0021]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of the respiratory gas supply device of the present invention will be described with reference to FIGS. 1, 2 and 3. FIG.

In FIG. 1, an aluminum breathing gas cylinder protecting means 11 of the present invention surrounds an entire oxygen cylinder 13 provided with a container valve 12. An opening 14 was provided at an end of the protection means 11 opposite to the container valve 12, and the oxygen cylinder 13 could be taken in and out of the opening 14. The protection means 11 was able to stand on its own due to the flat surface of the end face 15 facing the bottom of the oxygen cylinder 13. The color applied to the oxygen cylinder 13 was confirmed by the opening 16. Even when the protection device 11 was overturned on the floor, the container valve 12 did not directly contact the floor, and there was no oxygen gas leakage.

In FIG. 2, an aluminum breathing gas cylinder protecting means 21 of the present invention surrounds an entire oxygen cylinder 24 having an integral demand regulator 22 around a container valve 23. An opening 25 is provided at an end of the protection means 21 facing the container valve 23, and the oxygen cylinder 2 is opened through the opening 25.
4 could be taken in and out. The protection means 21 was able to stand on its own due to the flat surface of the end face 26 facing the bottom of the oxygen cylinder 24. The color applied to the oxygen cylinder 24 was confirmed by the opening 27. Even if the protection means 21 falls on the floor,
There was no direct contact between the integrated demand regulator 22, the container valve 23 and the floor surface, and there was no oxygen gas leakage.

In FIG. 3, in the respiratory gas supply device of the present invention, the aluminum respiratory gas cylinder protection means 31 surrounds the entire oxygen cylinder 33 provided with the container valve 32. An opening 34 was provided at the end of the protection means 31 opposite to the container valve 32, and the oxygen cylinder 33 could be taken in and out of the opening 34. The protection means 31 was able to stand on its own due to the flat surface of the end face 35 facing the bottom of the oxygen cylinder 33. The color applied to the oxygen cylinder 33 was confirmed by the opening 36. Even when the protection means 31 was overturned on the floor, the container valve 32 did not directly contact the floor, and there was no oxygen gas leakage. By putting a finger on the gripping hand 38 formed by the opening 37, the protection means 31 could be easily lifted.

[Brief description of the drawings]

FIG. 1 shows an embodiment of a breathing gas supply device according to the present invention.

FIG. 2 shows an embodiment of the respiratory gas supply device of the present invention.

FIG. 3 shows an embodiment of the respiratory gas supply device of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Respiratory gas cylinder protector 12 Container valve 13 Oxygen cylinder 14 Opening 15 Flat part 16 Opening 21 Respiratory gas cylinder protector 22 Integrated demand regulator 23 Container valve 24 Oxygen cylinder 25 Opening 26 Flat part 27 Opening 31 Gas cylinder protection device for breathing 32 Container valve 33 Oxygen cylinder 34 Opening 35 Flat surface 36 Opening 37 Opening 38 Hand grip

 ──────────────────────────────────────────────────続 き Continued on front page F-term (reference) 3E072 AA01 AB01 CA03 GA30

Claims (4)

[Claims] 1. A respiratory gas supply device comprising a cylinder filled with a respiratory gas and a respiratory gas adjusting means for adjusting a supply pressure and / or a supply flow rate of the respiratory gas. A respiratory gas supply device, comprising: a protective means surrounding the entire gas regulating means, the protective means having a flat bottom surface and an opening on an upper surface into which a cylinder and a respiratory gas regulating means can be inserted. 2. The respiratory gas supply device according to claim 1, further comprising an opening or a transparent resin portion on a side surface of the protection means so that half or more of a cylinder surface area can be recognized. 3. The respiratory gas supply device according to claim 1, wherein a circular opening having a diameter of 1 cm or more or a rectangular opening having a side length of 1 cm or more is provided at an upper portion of a side surface of the protection means. 4. The respiratory gas supply device according to claim 1, wherein said respiratory gas adjusting means includes demand regulator means for supplying oxygen in synchronization with respiration.