CN113082409A

CN113082409A - Oxygen pillow

Info

Publication number: CN113082409A
Application number: CN202110311622.6A
Authority: CN
Inventors: 陈德友; 杨杰; 樊娜; 刘体科
Original assignee: Chongqing Yongchuan District People's Hospital
Current assignee: Chongqing Yongchuan District People's Hospital
Priority date: 2021-03-23
Filing date: 2021-03-23
Publication date: 2021-07-09

Abstract

The invention discloses an oxygen pillow, which comprises an outer sleeve layer and an elastic inner container arranged in the outer sleeve layer, wherein a gap is formed between the elastic inner container and the outer sleeve layer, the gap is gradually reduced in the process of filling gas into the elastic inner container, and the elastic coefficient of the outer sleeve layer is smaller than that of the elastic inner container; the air faucet is arranged on the elastic inner container, and a first through hole exposing the air faucet is formed in the outer sleeve layer. Oxygen is saved in elastic inner bag, elastic inner bag and air cock sealing connection, along with filling into of oxygen, its volume of elastic inner bag inflation is bigger and bigger, the clearance between elastic inner bag and the overcoat layer is more and more littleer, elastic inner bag still can continuously expand until with the overcoat layer contact, because overcoat layer elastic coefficient is less than elastic inner bag's elastic coefficient, consequently overcoat layer can restrict elastic inner bag's volume expansion oversize, in output oxygen suppliment in-process, utilize the inside surplus oxygen of the automatic discharge of shrink tension after the elastic inner bag inflation, and convenient to use does not need manual extrusion, moreover, the steam generator is simple in structure.

Description

Oxygen pillow

Technical Field

The invention relates to the technical field of medical instruments, in particular to an oxygen pillow.

Background

An oxygen pillow, namely an oxygen pillow, is a pillow-shaped medical tool filled with oxygen, and is suitable for home oxygen therapy, critical patient rescue or patient transfer due to the advantages of portability, easy carrying and the like.

The existing oxygen pillow has limited inflation amount, generally 30L or 40L, must be kept while oxygenating, otherwise easily causes the oxygen pillow to burst, usually the pressure can not be greater than 16KPA, 16KPA ═ 0.016 MPa; in addition, current oxygen pillow output oxygen is unstable, and is usually fast afterwards slow, need extrude oxygen pillow when oxygen pillow is not sufficient and can output oxygen, uses inconveniently to can't direct observation to oxygen pillow output oxygen flow, the condition that has the patient to inhale the oxygen volume less and can't direct observation influences patient life safety.

Disclosure of Invention

The invention aims to at least solve the technical problems in the prior art, and particularly provides an oxygen pillow.

In order to achieve the above purpose, the invention provides an oxygen pillow, which comprises an outer sleeve layer and an elastic inner container arranged in the outer sleeve layer, wherein a gap is formed between the elastic inner container and the outer sleeve layer, the gap is gradually reduced in the process of filling gas into the elastic inner container, and the elastic coefficient of the outer sleeve layer is smaller than that of the elastic inner container; still including locating the air cock on the elasticity inner bag, be equipped with on the overcoat layer and show the first through-hole of air cock.

The technical scheme is as follows: oxygen is saved in elastic inner bag, elastic inner bag and air cock sealing connection, along with filling into of oxygen, its volume of elastic inner bag inflation is bigger and bigger, the clearance between elastic inner bag and the overcoat layer is more and more littleer, elastic inner bag still can continuously expand until with the overcoat layer contact, because overcoat layer elastic coefficient is less than elastic inner bag's elastic coefficient, consequently overcoat layer can restrict elastic inner bag's volume expansion oversize, in output oxygen suppliment in-process, utilize the inside surplus oxygen of elastic inner bag of automatic discharge of shrink tension after the elastic inner bag inflation, and the use is convenient, moreover, the steam generator is simple in structure.

In a preferred embodiment of the present invention, the liner further comprises a filling middle layer disposed between the elastic liner and the outer casing layer.

The technical scheme is as follows: the elastic inner container can be protected by filling the middle layer, and the deformation of the outer sleeve layer can be prevented.

In a preferred embodiment of the present invention, the outer surface of the filling middle layer is connected to the inner surface of the outer sheath layer, and a gap is formed between the outer surface of the elastic inner container and the inner surface of the filling middle layer.

The technical scheme is as follows: the deformation of the outer sleeve layer is more favorably prevented, and the clearance between the outer surface of the elastic inner container and the inner surface of the filling middle layer is convenient for the expansion of the elastic inner container.

In a preferred embodiment of the invention, the infill-middle layer is resilient and compressible.

The technical scheme is as follows: the elastic inner container is protected more favorably, the elastic inner container can extrude the filling middle layer during expansion, and when oxygen is supplied to the outside, the extruded elastic middle layer can apply extrusion elastic force to the elastic inner container, so that the elastic inner container is favorable for discharging the oxygen inside.

In a preferred embodiment of the present invention, the filling middle layer has elasticity and is compressible, and the elastic inner container is pre-embedded in the filling middle layer.

The technical scheme is as follows: when the elastic inner container supplies oxygen to the outside, the superposition effect of the contraction tension of the expanded elastic inner container and the extrusion force of the compressed filling middle layer on the elastic inner container can ensure that the oxygen in the elastic inner container can be exhausted.

In a preferred embodiment of the present invention, a pressure limiting valve is disposed on the elastic inner container, and an air pressure adjusting end of the pressure limiting valve extends to the outside of the outer casing layer.

The technical scheme is as follows: the elastic inner container can be prevented from being broken when oxygen is filled into the elastic inner container through the pressure limiting valve, and more oxygen can be stored through selecting the pressure limiting valve with higher pressure limiting level (such as 4 atmospheric pressures), so that the oxygen storage capacity is increased.

In a preferred embodiment of the present invention, a hose is further included which is connected to the free end of the air cap.

The technical scheme is as follows: the hose can be an oxygen conveying pipeline or an aeration pipeline, and the output and the input of oxygen are realized.

In a preferred embodiment of the invention, a gas meter and/or a flow control valve are provided on the hose.

The technical scheme is as follows: the oxygen supply flow can be conveniently and visually observed through the gas meter, and the oxygen flow in the hose can be adjusted through the flow adjusting valve.

In a preferred embodiment of the present invention, the shape of the outer casing layer and the shape of the elastic inner container are adapted.

The technical scheme is as follows: the elastic inner container is prevented from being broken by the convex inner edge or the tip of the outer sleeve layer in expansion, and the safety is improved.

In a preferred embodiment of the present invention, the material of the outer casing layer is leather, and/or the material of the elastic inner container is rubber.

The technical scheme is as follows: the leather increases the comfort of the pillow, and the rubber has elasticity and can realize the gas storage at a higher pressure.

Drawings

FIG. 1 is a schematic cross-sectional view of an oxygen pillow according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional structure of an oxygen pillow according to another embodiment of the present invention.

Reference numerals:

1, coating a layer; 11 a first through-hole; 2, an elastic inner container; 3, air tap; 4 filling the middle layer; 5, a hose; 6 flow control valve; 7, a gas meter; 8 a pressure limiting valve.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be interpreted broadly, and may be, for example, a mechanical connection or an electrical connection, a communication between two elements, a direct connection, or an indirect connection via an intermediate medium, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.

The invention discloses an oxygen pillow, which comprises an outer sleeve layer 1 and an elastic inner container 2 arranged in the outer sleeve layer 1 in a preferred embodiment, wherein a gap is formed between the elastic inner container 2 and the outer sleeve layer 1, the gap is gradually reduced in the process of filling gas into the elastic inner container 2, and the elastic coefficient of the outer sleeve layer 1 is smaller than that of the elastic inner container 2; still including locating air cock 3 on the elasticity inner bag 2, be equipped with the first through-hole 11 that exposes air cock 3 on the overcoat layer 1, can observe air cock 3 through first through-hole 11.

In the present embodiment, the material of the outer jacket layer 1 is preferably, but not limited to, steel, hard plastic, or leather. The material of the elastic inner container 2 is preferably, but not limited to, rubber or butyl inner container material using basketball. The outer cover 1 may completely enclose the elastic inner container 2, as shown in fig. 1 and 2. The outer cover layer 1 may also be a hollow structure to wrap only a part of the outer surface (not shown) of the elastic inner container 2. The air tap 3 can adopt a bicycle tire air tap structure, and can also adopt a basketball or football retraction type air tap structure, which is not described in detail herein for the prior art. In this embodiment, preferably, a gap is formed between the outer jacket layer 1 and the elastic liner 2 to reduce the obstruction of the air inside the outer jacket layer 1 to the volume expansion of the elastic liner 2 in the process of inflating the elastic liner 2, so as to facilitate the volume expansion of the elastic liner 2. The specific form of the gap between the outer sleeve layer 1 and the elastic inner container 2 can be as follows: if the air faucet 3 is a bicycle tire air faucet with a free end extending out of the outer sleeve layer 1, the free end of the air faucet 3 is in clearance fit with the first through hole 11, the free end of the air faucet 3 can be an air inlet/outlet interface of the elastic inner container 2, and the clearance between the free end and the first through hole 11 is a gap; if the air faucet 3 adopts a basketball or football inward-contracting type air faucet structure, the inflation pipeline/air outlet pipeline penetrates through the first through hole 11 and is inserted into the air faucet 3, and the first through hole 11 is a notch; if the outer sleeve layer 1 is designed to be a hollow structure, the hollow part is a gap.

In the present embodiment, during the inflation process of the elastic inner container 2, the volume of the elastic inner container 2 gradually increases, the gap between the elastic inner container 2 and the outer casing layer 1 gradually decreases, and when the elastic inner container 2 is full of air, a gap exists between the elastic inner container 2 and the outer casing layer 1, or the elastic inner container 2 and the outer casing layer 1 are in full or partial close contact.

In the present embodiment, the shape of the outer jacket layer 1 and/or the elastic inner container 2 is preferably, but not limited to, spherical or ellipsoidal or pillow-shaped. Preferably, the shape of the outer jacket layer 1 and the shape of the elastic inner container 2 are matched, as shown in fig. 1 and fig. 2, and the shapes of the outer jacket layer and the elastic inner container are the same and the positions of the outer jacket layer and the elastic inner container correspond to each other, as shown in fig. 1.

In a preferred embodiment, the elastic inner container 2 further comprises a filling middle layer 4 arranged between the elastic inner container and the outer sleeve layer 1.

In the present embodiment, the filling middle layer 4 preferably, but not limited to, adopts a yarn winding structure or a wood structure, and the yarn winding structure can be referred to as a yarn winding liner of a soccer ball or a basketball, and will not be described in detail herein. Preferably, the filling middle layer 4, the outer casing layer 1 and the elastic liner 2 have the same shape and corresponding positions, as shown in fig. 2.

In this embodiment, it is preferable that the outer surface of the filling intermediate layer 4 is connected to the inner surface of the outer jacket layer 1, and a gap is provided between the outer surface of the elastic inner container 2 and the inner surface of the filling intermediate layer 4. In the inflating process of the elastic inner container 2, the volume of the elastic inner container 2 is gradually increased, the gap between the elastic inner container 2 and the filling middle layer 4 is gradually reduced, and when the elastic inner container 2 is full of air, the gap exists between the elastic inner container 2 and the filling middle layer 4, or the elastic inner container and the filling middle layer are in full or partial close contact.

In a preferred embodiment, the middle filler layer 4 is elastic and compressible, and the material of the middle filler layer 4 is preferably, but not limited to, foam or latex.

In a preferred embodiment, the filling middle layer 4 is elastic and compressible, and the elastic liner 2 is pre-embedded in the filling middle layer 4. Preferably, the elastic inner container 2 is embedded in the filling middle layer 4 without gaps. When there is not oxygen in elastic inner bag 2 inside, elastic inner bag 2 just contacts with filling middle level 4, along with elastic inner bag 2 aerifys more and more, can strut filling middle level 4 on every side, fills middle level 4 and is compressed, when the gassing, by elastic middle level 4 because can bounce back original state can counter compression elastic inner bag 2, help automatic exhaust the oxygen in elastic inner bag 2.

In a preferred embodiment, as shown in fig. 1 and 2, a pressure limiting valve 8 is disposed on the elastic inner container 2, and an air pressure adjusting end of the pressure limiting valve 8 extends out of the outer casing layer 1.

In this embodiment, the pressure limiting valve 8 can limit the pressure of the oxygen inside the elastic liner 2, when the internal oxygen pressure reaches the pressure limiting and limiting pressure of the pressure limiting valve 8, the pressure limiting valve 8 can release part of the oxygen to reduce the internal pressure, when the elastic liner 2 is filled with oxygen, the elastic liner 2 is not required to be broken, and the limiting pressure of the pressure limiting valve 8 is lower than the limiting pressure allowed to be borne by the elastic liner 2. If a pressure limiting valve with the limited air pressure of 0.4MPa is selected, the maximum pressure in the elastic inner container 2 can not be larger than 0.4MPa, namely 4 atmospheric pressures, so that the air storage capacity of the novel oxygen pillow with the same volume is 4 times of that of the traditional oxygen pillow, the pressure limiting valve can be prevented from being broken by expansion, and preferably, the pressure gauge on the pressure limiting valve 8 can measure the air pressure in the elastic inner container 2 at any time.

In the embodiment, in the process that the elastic liner 2 is compressed and exhausted due to the elastic tension on the surface and the elastic filling middle layer 4 extrudes the elastic liner 2 to exhaust due to the rebound force, when the internal air pressure of the elastic liner 2 reaches the pressure limiting and limiting air pressure of the pressure limiting valve 8, the pressure limiting valve 8 releases partial oxygen to reduce the internal pressure, so that the elastic liner 2 can be prevented from being crushed through the action of the pressure limiting valve 8, and the safety is improved.

In a preferred embodiment, as shown in fig. 1 and 2, a hose 5 is further included which is connected to the free end of the air cap 3.

In a preferred embodiment, as shown in fig. 1 and 2, a gas meter 7 and/or a flow control valve 6 are provided on the hose 5.

In the present embodiment, the flow rate of oxygen in the hose is adjusted by the flow rate adjusting valve 6, so that oxygen is stably output during oxygen supply. The gas meter 7 is preferably a conventional gas meter for displaying readings, such as a vane-type gas meter, and the specific structure is prior art and will not be described herein.

In a preferred embodiment, the material of the outer casing layer 1 is leather, and/or the material of the elastic inner container 2 is rubber.

In the embodiment, a user can directly rest on the oxygen pillow, or the oxygen pillow can be used as a pillow core, and a comfortable layer is arranged outside the oxygen pillow, so that the user experience is improved.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An oxygen pillow is characterized by comprising an outer sleeve layer (1) and an elastic inner container (2) arranged in the outer sleeve layer (1), wherein a gap is formed between the elastic inner container (2) and the outer sleeve layer (1), the gap is gradually reduced in the process that the elastic inner container (2) is filled with gas, and the elastic coefficient of the outer sleeve layer (1) is smaller than that of the elastic inner container (2);

the air faucet is characterized by further comprising an air faucet (3) arranged on the elastic inner container (2), and a first through hole (11) exposing the air faucet (3) is formed in the outer sleeve layer (1).

2. The oxygen pillow according to claim 1, further comprising a filling middle layer (4) arranged between the elastic inner container (2) and the outer cover layer (1).

3. The oxygen pillow according to claim 2, characterized in that the outer surface of the filling middle layer (4) is connected with the inner surface of the outer cover layer (1), and a gap is formed between the outer surface of the elastic inner container (2) and the inner surface of the filling middle layer (4).

4. Oxygen pillow according to claim 2 or 3, characterised in that the filling middle layer (4) is elastic and compressible.

5. The oxygen pillow according to claim 2, wherein the filling middle layer (4) is elastic and compressible, and the elastic inner container (2) is pre-embedded in the filling middle layer (4).

6. The oxygen pillow according to claim 1, characterized in that a pressure limiting valve (8) is arranged on the elastic inner container (2), and the air pressure adjusting end of the pressure limiting valve (8) extends out of the outer sleeve layer (1).

7. An oxygen pillow according to claim 1, characterized in that it further comprises a hose (5) connected to the free end of said nozzle (3).

8. Oxygen pillow according to claim 7, characterized in that a gas meter (7) and/or a flow regulating valve (6) is arranged on the hose (5).

9. Oxygen pillow according to claim 1, characterised in that the shape of the outer casing (1) and the elastic inner container (2) are adapted.

10. Oxygen pillow according to claim 1, characterized in that the material of the outer casing (1) is leather and/or the material of the elastic inner container (2) is rubber.