A breathing bag with a settable moisture amount

By designing a respirator with adjustable tidal volume, and employing a triangular prism structure and sliding adjustment mechanism, the problem of inaccurate ventilation control caused by ambiguous respirator models has been solved, improving ease of operation and safety.

CN116271379BActive Publication Date: 2026-04-07THE FIFTH AFFILIATED HOSPITAL SUN YAT SEN UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-05-10
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

The current classification of breathing bag models is vague, which makes the accuracy of ventilation control dependent on the operator's experience, prone to errors, and may have unpredictable consequences for patients, especially in emergency situations.

Method used

Design a breathing airbag with adjustable tidal volume, using a triangular prism-shaped airbag body and a sliding adjustment component. The airbag volume can be adjusted by scale lines, simplifying operation and improving accuracy.

Benefits of technology

It enables precise control of ventilation volume for patients of different body types, reduces operational errors, and improves medical safety and efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

This application relates to the field of medical respiratory device technology, specifically disclosing a respirator with adjustable tidal volume, comprising: a respirator body and an adjusting component; the respirator body is triangular prism-shaped, including two triangular faces and three rectangular faces; one of the three sides of the respirator body serves as an adjusting side; a scale line is provided on the line where the height of the triangular face intersects with the adjusting side; the adjusting component is disposed on the adjusting side and slidably connected to the respirator body along the scale line to adjust the volume of the respirator body. By providing a slidable adjusting component, the volume inside the respirator body can be adjusted by sliding the adjusting component, and the operator can determine the current volume of the respirator body by using the scale line, thus enabling the respirator to be suitable for patients of different body types without the need for multiple models, effectively solving the problems of existing respirators requiring multiple specifications and models and being inconvenient to control ventilation volume.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical breathing devices, and particularly relates to a breathing bag with set tidal volume. BACKGROUND

[0002] A breathing bag is a device for providing gas to patients in need to maintain and increase the ventilation of the body. Generally, patients with normal respiratory function have a large breathing reserve, and short-term over-ventilation or under-ventilation will not have a serious impact, but children, the elderly, patients with partial or total lung resection, and other patients with higher requirements for ventilation are prone to hypoxemia and carbon dioxide accumulation when the ventilation is insufficient, and may develop hypocapnia, pneumothorax, blood pressure drop, and mediastinal swing, and even endanger life when the ventilation is excessive. Therefore, when ventilating patients with high ventilation requirements, it is necessary to accurately control the ventilation of the breathing bag.

[0003] Generally, the model of a breathing bag is selected according to the weight of a patient; in order to cope with patients of different sizes, it is often necessary to prepare a plurality of breathing bags of different models. However, due to the relatively vague classification of the models of the existing breathing bags, in actual use, a patient with a certain difference in size may use the same model of breathing bag, so that the control accuracy of the ventilation of the breathing bag in this case is largely dependent on the experience of the operator, and therefore the use error is large. When a sudden situation such as insufficient reserve of the breathing bag occurs and the operator needs to use an infrequently used or a model of breathing bag that does not correspond to the size of the patient, improper operation may have unpredictable consequences on the treatment of the patient, which is not conducive to medical safety. SUMMARY

[0004] Therefore, the purpose of the present application is to provide a breathing bag with set tidal volume, which solves the problems of the need to configure multiple specifications and the inconvenience of controlling the ventilation of the existing breathing bag.

[0005] To achieve the above technical purpose, the present application provides a breathing bag with set tidal volume, comprising: a bag body and an adjusting piece.

[0006] The bag body is in the shape of a triangular prism, comprising two triangular faces and three rectangular faces.

[0007] Among the three sides of the bag body, one side serves as an adjusting side.

[0008] The high line on the triangular face intersecting with the adjusting side is provided with a scale line.

[0009] The adjusting piece is arranged on the adjusting side and is movably connected to the bag body along the scale line to adjust the volume of the bag body.

[0010] Further, the length of the base of the triangular face perpendicular to the scale line is a;

[0011] The length of the side is b;

[0012] The product of a and b is 200±2cm 2 .

[0013] Further, the triangular face is an isosceles triangle;

[0014] The vertex of the triangular face is on the adjusting edge.

[0015] Further, a and b are both 14.15cm.

[0016] Further, it further comprises a rigid strip;

[0017] The adjusting member is a rod;

[0018] The rigid strip is arranged on the scale line, and a plurality of clamping grooves are arranged on the rigid strip at a preset interval;

[0019] The two rectangular faces connected by the adjusting edge are rollable materials;

[0020] The adjusting member is used for clamping the air bag body on the clamping groove after rolling.

[0021] Further, the preset interval is 1cm.

[0022] Further, the adjusting member is a triangular column;

[0023] The clamping groove is an open triangular groove.

[0024] Further, the opposite rectangular faces of the adjusting edge are accordion structures.

[0025] Further, the air bag body is connected with a connecting head;

[0026] The connecting head is provided with a pressure valve;

[0027] The pressure valve is used to open when the air pressure inside the air bag body exceeds the set pressure value.

[0028] Further, the air bag body is connected with a gas storage bag;

[0029] The gas storage bag is in communication with the air inlet valve or the valve of the air bag body.

[0030] From the above technical solutions can be seen, the present application provides a kind of breathable gas bag of tidal volume setting, comprising: gas bag main part and adjusting piece;The gas bag main part is three prism, including two triangular faces and three rectangular faces;The three edges included in the gas bag main part, one side edge is as adjusting edge;The high line on the intersection of the triangular face and the adjusting edge is provided with scale line;The adjusting piece is arranged on the adjusting edge, and along the scale line, the gas bag main part can be slidably connected, to adjust the volume of the gas bag main part.By setting the adjustable adjusting piece, the volume in the gas bag main body can be adjusted by sliding the adjusting piece, and the operator can judge the size of the current volume of the gas bag main body through the scale line, realize the patient of different body types without configuring multiple types, effectively solve the problem that the existing breathing gas bag needs to be configured with multiple specifications and is inconvenient to control the ventilation volume. BRIEF DESCRIPTION OF DRAWINGS

[0031] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creative labor.

[0032] Figure 1 A structure diagram of a breathable gas bag of tidal volume setting provided by an embodiment of the present application;

[0033] Figure 2 A structure diagram of a breathable gas bag of tidal volume setting provided by another embodiment of the present application;

[0034] Figure 3 An enlarged view of the adjusting piece end of a breathable gas bag of tidal volume setting provided by other embodiments of the present application. DETAILED DESCRIPTION

[0035] The technical solutions of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of the present application.

[0036] In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the 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 cannot be understood as a limitation on the embodiments of the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0037] In the description of the embodiments of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood in a broad sense, for example, it can be fixedly connected, or it can be replaceably connected, or it can be integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0038] Please refer to Figure 1 The breathing bag with adjustable moisture amount provided in the embodiments of the present application comprises a bag body 1 and an adjusting piece 2. The bag body 1 is in a triangular prism shape and comprises two triangular faces 11 and three rectangular faces 12. Among the three sides of the bag body 1, one side is an adjusting side 13. The high line on the intersection of the triangular face 11 and the adjusting side 13 is provided with a scale line 14. The adjusting piece 2 is arranged on the adjusting side 13 and is movably connected to the bag body 1 along the scale line 14 to adjust the volume of the bag body 1.

[0039] Specifically, the bag body 1 is made of soft material and can be deformed by extrusion to extrude the gas inside. The three sides of the bag body 1 refer to the sides formed by the three rectangular faces 12 connected end to end, so the length of the side is the height of the triangular prism-shaped bag body 1.

[0040] Taking the adjusting side 13 as the top side, the two triangular faces 11 are the side faces of the bag body 1, and correspondingly, the height of the intersection of the triangular face 11 and the adjusting side 13 is the side height.

[0041] In the embodiment, the adjusting member 2 can be moved along the scale line 14 on the air bag body 1 to adjust the volume of the air bag body 1. For example, the adjusting member 2 can be in the form of a sleeve and be sleeved on the air bag body 1. As the adjusting member 2 slides along the air bag body 1, the length of the side height is shortened, thereby reducing the volume of the air bag body 1, and the purpose of adjusting the volume of the air bag body 1 is achieved. At the same time, as the side height overlaps the scale line 14, the operator can calculate the current volume of the air bag body 1 through the scale of the scale line 14, thereby reducing the possibility of misjudgment of the volume by the operator and facilitating the overall operation, which is helpful for medical safety.

[0042] It should be noted that the air bag body 1 is in the form of a triangular prism, which means that the part of the air bag body 1 that stores gas is in the form of a triangular prism. Specifically, as the adjusting member 2 slides, the air bag body 1 on one side of the adjusting member 2 is in the form of a triangular prism that stores gas, and the other side is a dry segment 10 from which gas is squeezed out.

[0043] Correspondingly, the air bag body 1 can be provided with a gas inlet 101 for the entry of tidal gas and a gas outlet 102 for the discharge of tidal gas.

[0044] In one embodiment, the length of the bottom of the triangular face 11 perpendicular to the scale line 14 is a, that is, the length of the side bottom is a; the length of the side edge is b; and the product of a and b is 200±2 cm 2 .

[0045] Specifically, the volume calculation formula of the air bag body 1 in the form of a triangular prism is: the area of the triangular face 11×the length of the side edge b. The area of the triangular face 11 is the side height c×the side bottom a×1 / 2.

[0046] Therefore, the volume of the air bag body 1 in the form of a triangular prism is abc / 2.

[0047] In the embodiment, as the product of a and b is 200±2 cm 2 , the volume of the air bag body 1 in the form of a triangular prism can be approximately regarded as c×100 cm 2 . Therefore, after the staff quickly determines the value of c through the scale line 14, the volume of the air bag body 1 can be quickly calculated, the use efficiency of the operator is effectively improved, the possibility of calculation error of the operator is reduced by the simple calculation method, and the medical quality and medical safety are improved.

[0048] In a further improved embodiment, the triangular face 11 is an isosceles triangle; and the vertex of the triangular face 11 is on the adjusting edge 13. Correspondingly, the bottom edge of the triangular face 11 is the side bottom.

[0049] In the embodiment, the length of the scale line 14 is exactly the value of the side height c, so the operator can obtain the value of c by directly reading the length of the scale line 14, further improving the convenience of calculating the volume of the airbag body 1.

[0050] Further, a and b are both 14.15 cm.

[0051] In the embodiment, setting a and b as 14.15 cm can meet the requirement of simple calculation, and at the same time meet the calculation error of the airbag body 1 due to the thickness in practical application.

[0052] In one embodiment, referring to Figure 2 Further comprising a rigid strip 3; the adjusting member 2 is a rod body; the rigid strip 3 is arranged on the scale line 14, and a plurality of clamping grooves 31 are arranged on the rigid strip 3 at a preset interval; the two rectangular surfaces 12 connected by the adjusting edge 13 are coiled materials; the adjusting member 2 is used for clamping the airbag body 1 after being coiled. The coiled material can be, for example, a sealing cloth with good sealing performance, a plastic roll, a deformable soft rubber, etc.

[0053] Taking the adjusting edge 13 as the top edge, the rectangular surface 12 opposite to the adjusting edge 13 is the bottom surface, and the rectangular surfaces 12 on both sides of the adjusting edge 13 are the side surfaces.

[0054] Specifically, in the embodiment, among the three rectangular surfaces 12, two side surfaces can be coiled on the adjusting member 2 to adjust the volume of the airbag body 1, that is, the part coiled on the adjusting member 2 is the deflated segment 10. Then, the adjusting member 2 is clamped into the clamping groove 31 of the rigid strip 3, so that the adjusting member 2 is fixed on the rigid strip 3, and the current volume value of the airbag body 1 is fixed.

[0055] Among them, the rigid strip 3 can be arranged on both triangular surfaces 11, and correspondingly, the adjusting member 2 is clamped into the clamping groove 31 on both sides, so that the connection between the adjusting member 2 and the rigid strip 3 is more stable.

[0056] It should be noted that the length of the adjusting member 2 can be greater than or equal to the length of the adjusting edge 13. In the embodiment, in order to facilitate the adjusting member 2 to coil the airbag body 1, the length of the adjusting member 2 is greater than the length of the adjusting edge 13.

[0057] In one embodiment, the preset interval of the clamping groove 31 is 1 cm. In the embodiment, the scale on the scale line 14 can be from 1 to 10, which can realize the conversion of the tidal volume between 100-1000 ml.

[0058] As a further improvement, the adjusting member 2 is triangular prism-shaped; the clamping groove 31 is open triangular groove-shaped. Compared with other shapes, setting the adjusting member 2 and the clamping groove 31 to be triangular can make the adjusting member 2 better clamped with the clamping groove 31.

[0059] In one embodiment, the opposite rectangular faces 12 of the adjusting edge 13 are accordion-structured, that is, the bottom rectangular face 12 is accordion-structured.

[0060] The bottom rectangular face 12 is set to be accordion-structured so that it can be folded when stressed and rebound to the original width when not stressed. In application, after adjusting the volume of the air bag body 1, the two side rectangular faces 12 can be squeezed to compress the bottom rectangular face 12, so that the moisture in the air bag body 1 is squeezed out of the exhaust port 102, and then the air bag body 1 is released, the bottom rectangular face 12 rebounds, driving the moisture to enter the air bag body 1 from the air inlet 101. Thus repeated, the patient can be assisted with simple breathing of specific volume of tidal volume, so as to control the tidal volume and prevent various adverse consequences caused by excessive ventilation or insufficient ventilation, and improve the medical quality and safety during patient transfer.

[0061] As an embodiment, please refer to Figure 3 The adjusting member 2 can be hollow triangular prism-shaped, and one of the three sides is an open side. The adjusting edge 13 extends into the hollow cavity of the adjusting member 2 through the open side and is clamped by the adjusting member 2.

[0062] When the volume of the air bag body 1 needs to be adjusted, the adjusting member 2 can be rotated to roll up the air bag body 1 with the adjusting member 2 as the rotation axis, so as to adjust the volume of the air bag body 1. After rolling up the air bag body 1, the part of the air bag body 1 rolled up can be clamped into the clamping groove 31 together with the adjusting member 2.

[0063] It should be noted that in the above embodiment, the rigid strip 3 can be flexibly connected to the bottom of the scale line 14, and the other parts of the rigid strip 3 can be detachably connected to the air bag body 1, for example, by magic tape, buckle and other connection methods. Thus, when the air bag body 1 needs to be rolled up, the rigid strip 3 can be separated from the air bag body 1 to avoid interference between the rigid strip 3 and the air bag body 1 that needs to be rolled up.

[0064] In one embodiment, the air bag body 1 is connected with a connecting head 16; the connecting head 16 is provided with a pressure valve 17; the pressure valve 17 is used to open when the air pressure inside the air bag body 1 exceeds the set pressure value.

[0065] Specifically, the connector 16 can be connected with the exhaust port 102 for connecting the connecting tube of various types of tracheal cannula, mask or laryngeal mask, so as to deliver the tidal volume to the connected device through the connector 16. The pressure valve 17 is arranged to discharge the overpressure tidal volume from the pressure valve 17 when the pressure in the air bag body 1 is too high, so as to avoid the explosion of the air bag body 1 or the air pressure injury to the airway and lung tissue of the patient in the auxiliary breathing process.

[0066] In one embodiment, the air bag body 1 is connected with a gas storage bag 15; the gas storage bag 15 is communicated with the air bag body 1 through a gas inlet valve 151. The gas storage bag 15 can temporarily store the gas.

[0067] Specifically, the gas inlet valve 151 can be a one-way valve, that is, the gas inlet valve 151 is unidirectional in the direction from the gas storage bag 15 to the air bag body 1. Before the air bag body 1 is used, the pressure valve 17 can be detected for effectiveness and the air bag body 1 can be detected for leakage by pressing the gas storage bag 15. After the gas storage bag 15 is released, the gas can enter the gas storage bag 15 from the gas inlet port 101.

[0068] The gas inlet valve 151 is provided with a valve flap, which can make the gas in the gas storage bag 15 easily enter the air bag body 1 and the gas in the air bag body 1 difficult to enter the gas storage bag 15.

[0069] When the air tightness of the air bag body 1 and the effectiveness of the pressure valve 17 need to be detected, the gas storage bag 15 can be pressed for detection.

[0070] When the air bag body 1 is squeezed, the valve flap can close the air bag body 1 in the direction of the gas storage bag 15, and the fresh gas flow supplemented by the gas inlet port can be stored in the gas storage bag; when the air bag body 1 is released, the valve flap can be opened due to the negative pressure to communicate the gas storage bag 15 with the air bag body 1.

[0071] In addition, the gas storage bag 15 can be detachably connected with the air bag body 1; correspondingly, the gas storage bag 15 and the gas inlet port 101 are openable and closable in communication with the air bag body 1.

[0072] Specifically, the gas inlet port 101 can be arranged on the gas inlet valve 151. When the gas storage bag 15 is installed on the air bag body 1, the gas storage bag 15 is communicated with the air bag body 1, and the gas inlet port 101 is communicated with the gas storage bag 15 and the air bag body 1. Meanwhile, when the gas storage bag 15 is communicated with the air bag body 1, the gas inlet port 101 can be communicated with the external oxygen channel.

[0073] Compared with the existing breathing bag, the breathing bag with adjustable tidal volume provided by the embodiment of the present application can adjust the volume of the bag body 1 by adjusting the area of the triangular face 11 through the adjusting piece 2, and can read the volume of the gas in the bag body 1 through the scale line 14. After adjusting the volume of the bag body 1, it is flattened and connected with the tidal volume through the air inlet, and after releasing the hand, the fresh gas can enter into the bag body 1 according to the preset amount. Meanwhile, the bag body 1 in the present application is in the shape of triangular prism, which is beneficial to the overall flattening of the bag body 1, that is, beneficial to the complete discharge of the gas in the bag body 1, thereby improving the controllability of the bag body 1.

[0074] The above is the preferred embodiment of the present application, and is not used to limit the present application, although the present application is described in detail with reference to the examples, for those skilled in the art, the technical solutions recorded in the foregoing examples can be modified, or some technical features can be replaced equivalently, but any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A respirator with adjustable tidal volume, characterized in that, include: Airbag body (1), adjusting component (2) and rigid strip (3); The airbag body (1) is triangular prism-shaped, including two triangular faces (11) and three rectangular faces (12). Of the three sides of the airbag body (1), one side serves as an adjustment side (13). A scale line (14) is provided on the line where the height of the triangle (11) intersects with the adjustment edge (13). The adjustment member (2) is disposed on the adjustment edge (13) and is movably connected to the airbag body (1) along the scale line (14) to adjust the volume of the airbag body (1); The adjusting element (2) is a rod; The rigid strip (3) is disposed on the scale line (14), and the rigid strip (3) is provided with a plurality of slots (31) at a preset interval. The two rectangular surfaces (12) connected by the adjusting edge (13) are made of a rollable material; The adjusting member (2) is used to allow the airbag body (1) to be wound and then snapped into the slot (31); The adjusting element (2) is triangular prism-shaped; The slot (31) is an open triangular groove; When adjusting the volume of the airbag body (1), rotate the adjusting member (2) to roll up the airbag body (1) with the adjusting member (2) as the rotation axis, and after rolling up the airbag body (1), insert the rolled part of the airbag body (1) together with the adjusting member (2) into the slot (31).

2. The respirator with adjustable tidal volume according to claim 1, characterized in that, The length of the base of the triangular face (11) that is perpendicular to the scale line (14) is a; The length of the side is b; The product of a and b is 200 ± 2 cm. 2 .

3. The respirator with adjustable tidal volume according to claim 2, characterized in that, The triangular face (11) is an isosceles triangle; The vertex of the triangular face (11) is on the adjustment edge (13).

4. The respirator with adjustable tidal volume according to claim 2, characterized in that, Both a and b are 14.15 cm.

5. The respirator with adjustable tidal volume according to claim 1, characterized in that, The preset interval is 1cm.

6. The respirator with adjustable tidal volume according to claim 1, characterized in that, The rectangular surface (12) opposite to the adjusting edge (13) is a stretchable accordion pleat structure.

7. The respirator with adjustable tidal volume according to claim 1, characterized in that, A connector (16) is connected to the airbag body (1). A pressure valve (17) is provided on the connector (16); The pressure valve (17) is used to open when the air pressure inside the airbag body (1) exceeds a set pressure value.

8. The respirator with adjustable tidal volume according to claim 7, characterized in that, An air storage bag (15) is connected to the airbag body (1); The gas storage bag (15) is connected to the airbag body (1) through the air inlet valve (151).

Citation Information

Patent Citations

  • Quantitative respiratory assister

    CN201912581U

  • Breathing air bag capable of setting tidal volume

    CN219896674U