CN210355606U - ICU artificial respirator - Google Patents

Abstract

An ICU artificial respirator comprises an inflatable bag, a valve body and a mask, wherein the valve body comprises an air valve positioned in a second connector, and the air valve comprises a first membrane and a second membrane; when a patient inhales, the first diaphragm covers the first vent hole in a deflection mode based on the action of airflow, and the second diaphragm covers the second vent hole in a deflection mode based on the action of airflow, so that the airflow from the inflatable bag is transmitted to the mask through the valve body; when the patient exhales, the first membrane covers the channel of the first air inlet end in a deflection mode based on the action of air flow, and the second membrane covers the channel of the first air inlet end in a deflection mode based on the action of air flow, so that the air flow from the mask is exhausted to the external atmosphere through the first vent hole and the second vent hole. The prevention of gas backflow and exhaust emission is achieved.

Description

ICU artificial respirator

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to an ICU artificial respirator.

Background

The ICU is an Intensive Care Unit (Intensive Care Unit) that provides isolation and facilities for critically ill or unconscious patients, provides optimal Care, and provides targeted monitoring and supply, also known as the Intensive Care Unit. The medical organization management mode integrates the modern medical care technology with the development of medical care specialty, the birth of novel medical equipment and the improvement of hospital management system. The artificial respirator is an indispensable device for rescuing critical patients, is a device for mechanically maintaining and assisting the breathing of the patients, is common in clinical use, and is commonly used for rescuing patients with respiratory arrest caused by various reasons or sudden respiratory failure of patients in an ICU and respiratory management during anesthesia or coma.

For example, chinese patent publication No. CN203554027U discloses an artificial respirator for department of respiratory medicine, which comprises an air bag, an air hose, and a mouth mask, wherein the air bag is connected to the mouth mask through the air hose, the mouth mask is tapered, and a small-caliber end is connected to one end of the air hose; the artificial respirator also comprises an air inlet hose which is connected with the air bag; the artificial respirator also comprises a transposition clamp, and a first clamping position of the transposition clamp is arranged on the ventilation hose; the second clamping position of the transposition clamp is arranged on the air inlet hose. The mouth-to-mouth contact between the rescuers and the rescued person can be avoided, and the rescue effect can be well achieved.

However, the artificial respirator has no structure for preventing gas backflow and exhaust emission, and the treatment effect is affected to some extent. And no filter device is arranged in the respirator, so that the risk of blocking the trachea by foreign matters is avoided.

Chinese patent publication No. CN201020698986.1 discloses a respirator: "this artificial respirator includes gasbag and the breathing pipe that communicates in the gasbag lower extreme, the air inlet department of this gasbag is equipped with the second check valve, be equipped with first check valve in the breathing pipe, breathing pipe terminal department is equipped with the bite-block, gasbag upper portion is equipped with the lantern ring that can embolia medical personnel's hand, during the first aid, medical personnel hold the lantern ring, compress the gasbag regularly repeatedly, air in the gasbag can get into the patient internally, play the first aid effect to the patient, this artificial respirator is simple structure not only, and convenient operation, medical personnel's work load has both been reduced, the valuable first aid time has been strived for the patient simultaneously, the probability that the first aid succeeds has been increased, has fine practical function.

Chinese patent publication No. CN201820939462.3 indicates that "CU room patients are mainly older patients, have a long course of disease, and frequently need to be treated by oxygen inhalation or continuously inhaling oxygen, wherein severe pneumonia, chronic obstructive pulmonary disease, severe or critical asthma, pulmonary edema due to various reasons, and other diseases are serious, respiratory failure or progressive exacerbation of respiratory failure may occur at any time, and the patients need to establish an oxygen inhalation device to assist the patients in normal breathing. However, most of the existing oxygen inhalation nursing masks used in intensive care units do not have the functions of monitoring oxygen concentration and monitoring respiration of patients, the oxygen concentration sometimes decreases due to various reasons, the respiration of some severe patients can cause apnea when the condition of the patients becomes worse or unstable, the patients can have difficulty in breathing if the patients are not timely discovered and treated, the lives of the patients can be seriously threatened, particularly, the situation that the oxygen concentration in the respirator is suddenly decreased can not be timely discovered from complex monitoring data by a guardian with a relatively old age, and the work currently requires the medical staff to check at any time, so that the labor intensity of the medical staff is increased.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides an ICU (intensive care unit) artificial respirator, which comprises an inflation bag, a valve body and a face mask, and is characterized in that the inflation bag is communicated with the valve body, the valve body is communicated with the face mask, wherein the valve body comprises an air valve positioned in a second connector, and the air valve comprises a first diaphragm and a second diaphragm; when a patient inhales, the first diaphragm covers the first vent hole in a deflection mode based on the action of airflow, and the second diaphragm covers the second vent hole in a deflection mode based on the action of airflow, so that the inflatable bag is communicated with the mask through the valve body; when the patient exhales, the first membrane covers the channel of the first air inlet end in a deflection mode based on the action of airflow, and the second membrane covers the channel of the second air inlet end in a deflection mode based on the action of airflow, so that the mask is connected to the atmosphere through the first vent hole and the second vent hole.

According to a preferred embodiment, the valve body has a first manifold and a second manifold communicating the airbag and the mask, wherein the first manifold includes a first inflow port and a first outflow port, and the second manifold includes a second inflow port and a second outflow port; wherein the first inflow port and the second inflow port are communicated by a first connector, and the first outflow port and the second outflow port are communicated by the second connector.

According to a preferred embodiment, the first connector comprises a first connecting portion, a first air outlet end and a second air outlet end, wherein the first connecting portion is communicated with the inflatable bag, the first air outlet end is communicated with the first inflow port, and the second air outlet end is communicated with the second inflow port; wherein the first outlet end and the second outlet end are axially symmetrical.

According to a preferred embodiment, the second connector comprises a second connection portion, the first air inlet end and the second air inlet end, wherein the second connection portion is in communication with the mask, the first air inlet end is in communication with the first outflow port, and the second air inlet end is in communication with the second outflow port; wherein the first and second intake ends are axially symmetric; the second connector further includes the first vent and the second vent in communication with the outside atmosphere.

According to a preferred embodiment, the airbag comprises a double wall for defining an air cavity, the double wall comprising an airbag outer layer and an airbag inner layer, wherein a wall cavity is provided between the airbag outer layer and the airbag inner layer, and the airbag outer layer and the airbag inner layer are connected by a connecting body.

According to a preferred embodiment, the face mask comprises a mask wall comprising an inner mask layer and an outer mask layer, wherein the inner mask layer and the outer mask layer are separated by a space therebetween, and the inner mask layer and the outer mask layer are connected by a plurality of connecting nets.

According to a preferred embodiment, the mask includes an inflatable perimeter that communicates with the airspace to form the mask wall.

According to a preferred embodiment, the mask includes an inflation port on the inflatable perimeter thereof.

According to a preferred embodiment, a sieve is mounted in the second connection portion of the second connector.

According to a preferred embodiment, the first manifold and the second manifold are externally printed with information instruction marks.

The utility model provides an ICU artificial respirator has following advantage at least:

(1) the air valve in the second connector can avoid the backflow of the exhaust gas exhaled by the patient, so that the treatment effect of the respirator is improved;

(2) the second connecting part is provided with a protective filter, so that particles or other objects can be prevented from being transferred to the airway of the patient, and the increase of rescue difficulty is avoided;

(3) the bottom of the mask, which acts against the patient's face, includes an inflatable perimeter to form a cushioning structure and to conform to the contours of the patient's mouth and nose area to ensure adequate sealing against air leakage during use.

Drawings

FIG. 1 is a schematic view of the main structure of an ICU artificial respirator provided by the present invention;

FIG. 2 is a schematic structural view of an inflatable bag of an ICU artificial respirator provided by the present invention;

FIG. 3 is a cross-sectional view of a first manifold of an ICU artificial respirator provided by the present invention;

FIG. 4 is a cross-sectional view of a first connector of an ICU artificial respirator provided by the present invention;

FIG. 5 is a cross-sectional view of a second connector of an ICU artificial respirator provided by the present invention; and

fig. 6 is a cross-sectional view of a face mask of an ICU respirator provided by the present invention.

List of reference numerals

1: and 2, inflating a bag: double wall 2 a: outer layer of air bag

2 b: bag inner layer 2 c: wall cavity 3: through hole

4: the connecting body 5: first neck portion 6: one-way air inlet valve

7: air cavity 8: first connection portion 9: first inflow port

10: second inflow port 11: first air passage 12: second air passage

13: gas valve 14: first diaphragm 15: second diaphragm

16: first vent hole 17: second ventilation hole 18: first air inlet end

19: second air intake end 20: second connection portion 21: second neck part

22: the mask 23: inflated perimeter 24: first outflow port

25: second outflow port 26: first outlet end 27: second air outlet end

28: a filter screen 29: mask wall 29 a: inner layer of face mask

29 b: mask outer layer 29 c: the airspace is 30: connecting net

50: valve body 51: first manifold 52: second manifold

53: first connector 54: second connector 55: air charging port

Detailed Description

The following detailed description is made with reference to fig. 1 to 6.

In the description of the present invention, the terms "first", "second", "third" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, features defined as "first," "second," "third," and so forth may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "inner", etc. indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present invention, the term "detachably" is one of bonding, key connection, screw connection, pin connection, snap connection, hinge connection, clearance fit, or transition fit. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example 1

The present embodiment provides an ICU respirator that includes an inflatable bag 1. As shown in FIG. 2, the airbag 1 is preferably an inflatable double wall 2 comprising an outer airbag layer 2a and an inner airbag layer 2 b. Such double walls 2 can be inflated or deflated during storage and transport of the product. The wall cavity 2c between the outer layer 2a of the airbag and the inner layer 2b of the airbag can be inflated or deflated through the through-hole 3. The bag outer layer 2a and the bag inner layer 2a are joined together at selected locations by connectors 4 or other structures that join the bag inner layer 2a and the bag outer layer 2b, as shown in FIG. 2. The connecting body 4 may be disposed at various positions as required, and the position is not limited to the specific position shown in the drawings. For example, any position where the connection between the inner layer 2a and the air bag outer layer 22b is desired may be used. The connecting body 4 serves to maintain a predetermined distance between the bag inner layer 2b and the bag outer layer 2a of the airbag 1. The connector 4 helps to protect the mechanical integrity of the air-bag 1, since it withstands the higher internal pressure between the air-bag inner layer 2a and the air-bag outer layer 2b, in addition to repeated compression and re-inflation cycles during rescue.

Preferably, the through-hole 3 can be placed at the mouth of the inflator so that the wall cavity 2c between the outer bag layer 2a and the inner bag layer 2b of the airbag 1 is inflated. The through-hole 3 may be designed with any number of various locking structures to prevent air leakage from the wall cavity 2 c. The one-way air inlet valve 6 is positioned on the airbag 1 and is communicated with the air chamber 7 or the inner space of the airbag 1, so that the airbag 1 can be inflated again after being compressed. The one-way air inlet valve 6 allows air to enter the air chamber 7 from the periphery, but does not allow air in the air chamber 7 to escape through the one-way air inlet valve 6 under normal operating conditions.

Preferably, first neck portion 5 of airbag 1 is a harder plastic or rubber material than double wall 2 of airbag 1 to enable airbag 1 to be securely attached to first connection portion 8 of first connector 53 of valve body 50.

Preferably, the valve body 50 as shown in fig. 1 and 3 includes a first manifold 51 and a second manifold 52. The first manifold 51 includes a first inflow port 9 and a first outflow port 24. The second manifold 52 includes a second inflow port 10 and a second outflow port 25. The first inflow port 9 and the second inflow port 10 communicate through the first connector 53. The first outflow port 24 and the second outflow port 25 communicate through the second connector 54. As shown in fig. 1, the first manifold 51 and the second manifold 52 are kept parallel. And a protected storage space is formed between the first and second manifolds 51 and 52 and the first and second connectors 53 and 54, thereby forming an area for storing the airbag 1 and the mask 22. The first and second connectors 53, 54 may be press fit, O-ring, threaded or snap fit, or otherwise connected to the first and second manifolds 51, 52, respectively, to achieve a sealing fit. Air from the first and second manifolds 51, 52 travels downward and enters the mask 22 and is ultimately delivered to the patient.

Preferably, as shown in fig. 1, the first air passage 11 and the second air passage 12 of the first manifold 51 and the second manifold 52 of the valve body 50, and the air is transmitted to the patient through the first air passage 11 and the second air passage 12 and then by other devices. The exterior of the first and second manifolds 51, 52 may be printed with indicia such as useful information or instructions to alert a rescuer of certain basic information that may sometimes be forgotten in an emergency.

Preferably, the first connector 53 is configured as a T-shaped connector. Alternatively, first neck portion 5 of airbag 1 may be included as part of first connector 53. The first neck portion 5 communicating with the first connection portion 8 allows air in the air chamber 7 to be discharged by manually compressing the airbag 1 by the operator, thereby passing through the middle portion of the first connector 53 and being transferred to the valve body 50 and the first and second manifolds 51 and 52 of the device. As shown in fig. 4, the air discharged from the air chamber 7 of the airbag 1 enters the inside of the first connector 53. When the air passes through the first connector 53, the air is branched from two directions to the first air outlet port 26 and the second air outlet port 27, and then enters the first manifold 51 and the second manifold 52 through the first inflow port 9 and the second inflow port 10, respectively.

Preferably, as shown in fig. 1 and 3, the first connector 53 communicates with the first inflow port 9 and the second inflow port 10. The second connector 54 communicates with the first outflow port 24 and the second outflow port 25. First connector 53 and second connector 54 are connected to first manifold 51 and second manifold 52 by interfitting snaps, allowing rotation of airbag 1 and mask 22 attached to respective second connector 54 and first connector 53 to a first configuration for storage or positioning between first manifold 51 and second manifold 52, and an externally deployed second configuration between first manifold 51 and second manifold 52. When removed from the stowed configuration, the face mask 22 and airbag 1 may be inflated for use. The connection between the first and second manifolds 51, 52 and the first and second connectors 53, 54 may include mechanisms such as tabs and detents to allow the T-connectors to be locked or resist movement when in the first or second configuration.

Preferably, as shown in fig. 5, the second connector 54 includes a gas valve 13 within the second connector 54 to allow air exhaled by the patient to be vented to the outside atmosphere rather than entering the first and second air passages 11, 12 of the first and second manifolds 51, 52. The air valve 13 includes a first diaphragm 14 and a second diaphragm 15 made of elastic blades. In the event of inhalation by the patient, the first diaphragm 14 moves in a deflected manner to cover the first vent hole 16 based on the action of the air flow, and the second diaphragm 15 covers the second vent hole 17 in a deflected manner based on the action of the air flow, so that the air flow from the inflatable bag is conveyed to the mask 22 through the valve body 50 to ensure that air is not vented to the outside atmosphere, but is instead directed downwardly into the mask 22 for delivery to the patient. During patient exhalation, the first diaphragm 14 overlies the passage of the first inlet end 18 in a deflecting manner based on the action of the flow of air to prevent the flow of exhaled air from the patient from flowing back into the first and second manifolds 51, 52 of the valve body 50 and to allow the flow of air from the face mask 22 to be exhausted to the outside atmosphere through the first and second vent holes 16, 17.

Preferably, the second connection portion 20 of the second connector 54 is connected to the second neck 22 of the mask 22 such that the mask 22 is in communication with the second connector 54. This connection is different from the connection between airbag 1 and first connector 53 in that it is constructed in a structure to be easily broken as needed in order to connect airbag 1 and valve body 50 to different members. For example, it may be an endotracheal tube. A protective filter 28 is mounted at the second connection portion 20 of the second connector 54 for preventing particles or other objects from being transferred into the airway of the patient, avoiding increased rescue difficulties.

Preferably, as shown in fig. 6, a mask 22 that can be inflated or deflated as needed for use or storage of the device. The bottom of the mask 22, which engages the patient's face, includes an inflatable perimeter 23 to form a cushioning structure and to conform to the contours of the patient's mouth and nose area to ensure an adequate seal against air leakage during use. Inflation port 55 is used to inflate face mask 22 and is similar in function and use to airbag 1. The mask 22 also includes a second neck 21 for connecting to a second connector 54. Between the inflated perimeter 23 and the second neck 21 is a mask wall 29. The mask wall 29 is a double film similar to the airbag 1. The bi-layer membrane includes an inner mask layer 29a and an outer mask layer 29 b. The inner mask layer 29a and the outer mask layer 98b are connected by a connecting web 30 at selected locations. Airspace 29c between the mask inner layer 29a and the mask 29b may be in communication with the inflated perimeter 23.

For ease of understanding, the working principle of an ICU respirator will be discussed in detail.

In actual use, will the utility model provides a expand ICU artificial respirator to aerify air bag 1 through one-way admission valve 6, aerify through inflation inlet 55 to face guard 22 and make face guard 22 expand. The mask 22 is placed in the oronasal region of the patient and the airbag 1 is squeezed so that the gas 1 in the airbag is delivered to the patient through the valve body 50 and the mask 22. Wherein the gas valve 13 in the second connector 54 in the valve body 50 comprises two diaphragms. In the event of inhalation by the patient, the first diaphragm 14 overlies the first vent hole 16 in a deflecting manner based on the action of the flow of gas, and the second diaphragm 15 overlies the second vent hole 17 in a deflecting manner based on the action of the flow of gas, so that the flow of gas from within the airbag 1 is conveyed through the valve body 50 to the mask 22 for delivery to the patient. In the event of patient exhalation, the first membrane 14 overlies the passageway of the first inlet end 18 in a deflecting manner based on the action of the flow of gas, and the second membrane 15 overlies the passageway of the second inlet end 19 in a deflecting manner based on the action of the flow of gas, so that the flow of gas from the mask 22 is vented to the outside atmosphere through the first vent 16 and the second vent 17. The prevention of gas backflow and exhaust emission is achieved. And additionally a screen 28 within the valve body 50. The screen 28 prevents particles or other objects from being transferred into the patient's airway, avoiding increased rescue difficulties.

It should be noted that the above-mentioned embodiments are exemplary, and those skilled in the art can devise various solutions in light of the present disclosure, which are also within the scope of the present disclosure and fall within the scope of the present disclosure. It should be understood by those skilled in the art that the present specification and drawings are illustrative only and are not limiting upon the claims. The scope of the invention is defined by the claims and their equivalents.

Claims (10)

1. An ICU artificial respirator, which comprises an air bag (1), a valve body (50) and a face mask (22), and is characterized in that the air bag (1) is communicated with the valve body (50), the valve body (50) is communicated with the face mask (22),

wherein the valve body (50) comprises a gas valve (13) located within the second connector (54), the gas valve (13) comprising a first diaphragm (14) and a second diaphragm (15);

wherein, when the patient inhales, the first diaphragm (14) is covered on the first vent hole (16) in a deflection way based on the action of airflow, and the second diaphragm (15) is covered on the second vent hole (17) in a deflection way based on the action of airflow, so that the inflatable bag (1) is communicated with the mask (22) through the valve body (50);

wherein, in case of exhalation of the patient, the first membrane (14) is overlaid in a deflected manner on the passage of the first inlet end (18) on the basis of the action of the gas flow, and the second membrane (15) is overlaid in a deflected manner on the passage of the second inlet end (19) on the basis of the action of the gas flow, so that the mask (22) is connected to the atmosphere through the first vent hole (16) and the second vent hole (17).

2. An ICU artificial respirator according to claim 1, characterized in that said valve body (50) has a first manifold (51) and a second manifold (52) communicating said airbag (1) and said mask (22),

wherein the first manifold (51) comprises a first inflow port (9) and a first outflow port (24), and the second manifold (52) comprises a second inflow port (10) and a second outflow port (25);

wherein the first inflow port (9) and the second inflow port (10) communicate through a first connector (53), and the first outflow port (24) and the second outflow port (25) communicate through the second connector (54).

3. An ICU artificial respirator according to claim 2, characterized in that the first connector (53) comprises a first connection portion (8), a first outlet end (26) and a second outlet end (27),

wherein the first connecting part (8) is communicated with the inflatable bag (1), the first air outlet end (26) is communicated with the first inflow port (9), and the second air outlet end (27) is communicated with the second inflow port (10);

wherein the first outlet end (26) and the second outlet end (27) are axially symmetrical.

4. An ICU artificial respirator according to claim 2, characterized in that the second connector (54) comprises a second connection portion (20), the first air inlet end (18) and the second air inlet end (19),

wherein the second connection (20) communicates with the mask (22), the first air inlet end (18) communicates with the first outflow port (24), and the second air inlet end (19) communicates with the second outflow port (25);

wherein the first air inlet end (18) and the second air inlet end (19) are axially symmetrical; the second connector (54) further comprises the first vent hole (16) and the second vent hole (17) communicating with the outside atmosphere.

5. An ICU respirator according to claim 1, characterized in that the air-bag (1) comprises a double wall (2) for defining an air chamber (7), said double wall (2) comprising an air-bag outer layer (2a) and an air-bag inner layer (2b),

wherein a wall cavity (2c) is arranged between the air bag outer layer (2a) and the air bag inner layer (2b), and the air bag outer layer (2a) and the air bag inner layer (2b) are connected through a connecting body (4).

6. An ICU artificial respirator according to claim 1, characterized in that said mask (22) comprises a mask wall (29), said mask wall (29) comprising an inner mask layer (29a) and an outer mask layer (29b),

wherein an airspace (29c) is arranged between the inner face mask layer (29a) and the outer face mask layer (29b), and the inner face mask layer (29a) and the outer face mask layer (29b) are connected through a plurality of connecting nets (30).

7. An ICU respirator according to claim 6, wherein said mask (22) comprises an inflatable perimeter (23), said inflatable perimeter (23) communicating with said airspace (29c) to form said mask wall (29).

8. An ICU respirator according to claim 7, wherein the mask (22) comprises an inflation port (55) on the inflatable perimeter (23) thereof.

9. An ICU respirator according to claim 4, characterized in that a filter screen (28) is mounted in the second connection portion (20) of the second connector (54).

10. An ICU respirator according to claim 2, wherein the first manifold (51) and the second manifold (52) are externally printed with informative instructional indicia.

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