Auxiliary breathing device

Abstract

The utility model discloses an auxiliary breathing device, relates to the technical field of medical first-aid instruments, and solves the problems that when a patient is subjected to auxiliary breathing in an emergency, single-person operation is difficult to comprehensively consider, the ventilation effect is poor, when an assistant assists in extruding a breathing bag, swinging and traction are easy to occur in the operation, a mask is easy to shift, and the mask is difficult to cling to the mouth and nose of the patient; and air leakage is easy to occur around the mask. The breathing device comprises a breathing air bag and a supporting and fixing frame, the breathing air bag is limited on the supporting and fixing frame, one end of the breathing air bag penetrates through the supporting and fixing frame to be connected with one end of an oxygen connecting pipe, the other end of the oxygen connecting pipe is connected with a breathing mask, and the other end of the breathing air bag penetrates through the supporting and fixing frame to be connected with an oxygen storage bag. The breathing mask has the advantages that a rescuer does not need to extrude the breathing air bag with hands, the rescuer can support the lower jaw of a patient with two hands, the airway is opened more fully, the mask can be buckled more tightly, effective ventilation of the patient is guaranteed, and oxygen deficit is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical emergency equipment, and in particular relates to an auxiliary breathing device. Background Art

[0002] Dyspnea is a subjective feeling of breathing discomfort with different causes and pathogenesis. Dyspnea is affected by physiological, psychological, social and environmental factors. Some of them may be emergency situations that require immediate medical attention. The main diseases are 1. Asthma attack: Respiratory disease may cause sudden breathlessness, shortness of breath, bowel sounds and chest tightness. Asthma attacks may be caused by allergens, infections or other irritants. 2. Heart problems: Heart problems such as angina, myocardial infarction or heart failure may cause dyspnea, usually accompanied by chest pain, pressure, or other heart symptoms. 3. Pulmonary embolism: Pulmonary embolism is a blood clot in the pulmonary artery that may cause dyspnea, chest pain, cough and coughing up blood. It is a serious emergency and requires immediate treatment. 4. Pneumonia: Pneumonia is a lung infection that may cause shortness of breath, chest pain, high fever and cough. 5. Airway obstruction: Foreign objects or tumors may block the airway, causing shortness of breath and spreading hernia. 6. Anxiety and panic attacks: Intense anxiety or panic attacks may cause shortness of breath, chest tightness and breathlessness. 7. Drug allergy: Certain drugs may cause allergic reactions, leading to shortness of breath and other symptoms.

[0003] In clinical practice, simple respirators are often required in emergency situations such as cardiopulmonary resuscitation, ventilator failure, and patient transfer, such as: 1. Cardiopulmonary resuscitation: When a patient suffers cardiac and respiratory arrest, cardiopulmonary resuscitation is required immediately. A simple breathing bag is one of the important tools for cardiopulmonary resuscitation, which can provide oxygen, remove carbon dioxide, and maintain the patient's respiratory function. 2. Ventilator failure: When a ventilator fails, it may cause the patient to be unable to breathe normally. At this time, a simple respirator can be used for emergency ventilation to maintain the patient's respiratory function until the ventilator resumes normal operation. 3. Transferring patients: During the process of transferring patients, if the patient's respiratory function is unstable, it may cause the condition to worsen. At this time, a simple respirator can be used for ventilation to maintain the patient's respiratory function and ensure the patient's safety during the transfer process.

[0004] The air bag respirator is a medical device mainly used for ventilation of patients undergoing cardiopulmonary resuscitation. The specific method of use is to connect the air bag respirator to a mask, and then squeeze the breathing bag of the air bag respirator manually with fingers. During the contraction and relaxation of the breathing bag, air containing oxygen or pure oxygen when connected to the oxygen tube may be delivered into the patient's respiratory system to maintain the patient's normal breathing. When medical staff operate a simple breathing bag alone, they need to support the patient's lower jaw, fasten the breathing mask, and squeeze the breathing bag at the same time. It is difficult to take all factors into consideration, and the ventilation effect is poor. Although sometimes there are assistants to help squeeze the breathing bag, because the air bag and the breathing mask are hard-connected, the breathing mask is prone to swinging and pulling during operation, which can easily cause the breathing mask to shift, and the breathing mask is difficult to fit tightly against the patient's mouth and nose, which causes air leakage around the mask and makes it difficult to ensure ventilation effect. Utility Model Content

[0005] The utility model discloses an auxiliary breathing device, which is intended to solve the technical problems that it is difficult for a single person to fully take care of the auxiliary breathing of a patient in an emergency, the ventilation effect is poor, and when an assistant helps to squeeze the breathing bag, swinging and pulling are likely to occur during the operation, which may easily cause the mask to shift, and the mask is difficult to fit closely to the patient's mouth and nose, making it easy for air to leak around the mask.

[0006] In order to solve the above-mentioned technical problems, the technical solutions adopted by the present invention are as follows:

[0007] A breathing assist device comprises a breathing bag and a supporting and fixing frame, wherein the breathing bag is limited on the supporting and fixing frame, and can be fixed after being placed on the supporting and fixing frame to prevent the breathing bag from moving during the squeezing process and affecting the cardiopulmonary resuscitation and first aid for the patient, one end of the breathing bag passes through the supporting and fixing frame to be connected to one end of an oxygen connecting tube, the other end of the oxygen connecting tube is connected to a breathing mask, and the other end of the breathing bag passes through the supporting and fixing frame to be connected to an oxygen storage bag. When first aid breathing is required for the patient, the two ends of the breathing bag are connected to the two sides of the supporting and fixing frame, and then the medical staff squeezes the breathing bag to deliver oxygen to the patient, and when first aid breathing is not required for the patient, the breathing bag can continue to be placed on the supporting and fixing frame for overall storage, and the supporting and fixing frame can prevent the breathing bag from rolling around during storage. , which greatly facilitates the storage of the breathing airbag, and one end of the breathing airbag is connected to the breathing mask through the oxygen connecting pipe, and the length of the oxygen connecting pipe is set to 1.2m-1.5m. If the patient is on the ground, the rescuer is in a kneeling position, and can use one knee joint to squeeze the breathing airbag at a certain frequency; if the patient is on the table, the rescuer is in a standing position, and can use the sole of the foot to press the breathing airbag at a certain frequency. In this way, the rescuer does not need to squeeze the breathing airbag with his hands, and the rescuer can support the patient's lower jaw with both hands. The airway is more fully opened, and the mask can be buckled more tightly, ensuring effective ventilation of the patient and avoiding the occurrence of hypoxia. The other end of the breathing airbag is connected to the oxygen storage bag, which can increase the oxygen concentration. When an oxygen source is present, the oxygen storage bag can make the oxygen concentration reach 99%, and when there is no oxygen storage bag, the oxygen concentration is 45%; when no oxygen source is provided, the oxygen concentration is 21% of the atmospheric oxygen concentration.

[0008] The utility model preferably provides an auxiliary breathing device, the supporting and fixing frame includes a horizontal supporting plate and a vertical fixing rod, the horizontal supporting plate can provide support for the breathing bag, the vertical fixing rod can fix the breathing bag to prevent the breathing bag from sliding during the squeezing of the breathing bag, thereby affecting the oxygen delivery to the patient, the two ends of the horizontal supporting plate are respectively connected to a vertical fixing rod, the horizontal supporting plate can support and fix the vertical supporting rod to avoid the device being unstable and shaken during the fixing of the breathing bag, a convex supporting pad is provided on the horizontal supporting plate and the convex supporting pad is located under the breathing bag, the convex supporting pad bulges upward and just contacts with the breathing bag, so that the rescuer can squeeze the breathing bag conveniently, thereby improving the rescuer's pressing efficiency, and the use is convenient, simple and convenient to operate.

[0009] The utility model preferably provides an auxiliary breathing device, wherein two vertical fixing rods are relatively provided with through holes, and the through holes are maintained in the same horizontal plane, and the two ends of the breathing airbag can pass through the through holes respectively, and the aperture of the through holes is the same as the diameter of the two ends of the breathing airbag. When the breathing airbag needs to be fixed, the two ends of the breathing airbag are respectively passed through the through holes and then extended outward, which can prevent the breathing airbag from sliding during the squeezing process, and the vertical fixing rod can effectively fix the breathing airbag.

[0010] The utility model preferably provides an auxiliary breathing device, wherein a mandibular support plate is provided at the bottom of the breathing mask and one end of the mandibular support plate is hinged to the breathing mask. When the patient wears the breathing mask, the mandibular support plate contacts the patient's mandible, and then the mandibular support plate is lifted upward at an appropriate angle, so that the patient's mandible can be lifted up, and the rescuer does not need to lift the patient's mandible with his hands. The mandibular support plate is arranged to have an arc-shaped structure that better fits the patient's mandibular structure, conforms to ergonomic design, and reduces the patient's discomfort during the rescue process.

[0011] The utility model preferably provides an auxiliary breathing device, wherein the outer side of the breathing mask is detachably connected with an endotracheal tube joint, and one end of the breathing airbag extending outside through the through hole is detachably connected with a threaded pipe three-way joint, and the oxygen connecting pipe is connected between the endotracheal tube joint and the threaded pipe three-way joint. The oxygen connecting pipe is usually made of soft plastic or rubber and has certain bendability and flexibility to facilitate the patient's breathing. When oxygen is delivered to the patient, the oxygen in the breathing airbag enters the breathing mask worn by the patient through the oxygen connecting pipe, and the oxygen is delivered to the patient's respiratory system, so as to maintain the patient's normal breathing and provide timely treatment for the patient.

[0012] The utility model preferably provides an auxiliary breathing device, wherein the breathing mask comprises a mask cover, a mask liner, an air outlet and an air inlet, the inner space of the mask cover contacts the patient's face, the mask cover is soft and durable, and has a certain degree of deformability, and can adapt to different face shapes, so as to achieve good sealing of the mask and prevent gas leakage, the mask cover is surrounded by the mask liner on the outside, the main function of the mask liner is to improve the patient's comfort, and reduce the pressure and tactile stimulation of the mask on the face, and can well absorb the sweat exhaled by the patient and the water vapor in the exhaled gas, and avoid the discomfort caused by the accumulation of water vapor, the air intubation joint is connected to the air inlet, and oxygen can be smoothly delivered to the breathing area in the mask to meet the treatment needs, the air outlet is arranged below the breathing mask, the air outlet is a channel connected to the outside of the breathing mask through a hose, and the hose is provided with an air outlet valve, and the air outlet valve can discharge the exhaled gas from the patient out of the respirator to avoid the exhaled gas directly blowing to the patient's eyes and mouth.

[0013] The utility model preferably provides an auxiliary breathing device, wherein one end of the breathing airbag away from the breathing mask passes through the through hole and is detachably connected to the oxygen storage bag. The oxygen storage bag and the breathing airbag can be disassembled and replaced according to medical needs for easy cleaning.

[0014] The utility model preferably provides an auxiliary breathing device, the concave surface of the mandibular support plate is provided with a layer of silicone cushion, which can reduce the discomfort of the patient during the rescue process and improve the comfort level; elastic bands are respectively provided on both sides of the mandibular support plate, and the elastic bands are detachably connected to each other. When the patient's mandible needs to be raised, a support frame is provided on the top of the patient's head, and the patient's mandible is first lifted upward by the mandibular support plate, and then the elastic band is pulled upward from the patient's mandible. The elastic band is connected to the support frame, so that the breathing mask can be fixed and the patient's mandible can be lifted up, freeing the rescuer's hands and improving the convenience of treatment; a connecting belt is provided on the mask, and the connecting belts are detachably connected to each other, and the connecting belt can connect the breathing mask to the patient's head.

[0015] The utility model preferably provides an auxiliary breathing device, wherein an air intake valve and an oxygen storage safety valve are arranged between the breathing airbag and the oxygen storage bag, the gas enters the breathing airbag through the air intake valve and does not come out of the breathing airbag, the function of the oxygen storage safety valve is to avoid excessively high oxygen flow and too low squeezing times, a one-way valve and a pressure safety valve are arranged between the breathing airbag and the oxygen connecting pipe, the gas in the breathing airbag enters the oxygen connecting pipe through the one-way valve and does not return to the breathing airbag, the pressure safety valve automatically adjusts the pressure of the one-way valve within a safe range, and when the pressure exceeds the use range, the pressure safety valve automatically releases excess gas to avoid airway damage.

[0016] The utility model preferably provides an auxiliary breathing device, wherein the bottom of the horizontal support plate is detachably connected with an anti-skid pad, which can further increase the stability of the breathing device and prevent the entire device from sliding when the rescuer squeezes the breathing airbag, thereby affecting the rescue effect.

[0017] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0018] 1. One end of the breathing airbag is connected to the breathing mask through an oxygen connecting tube. The length of the oxygen connecting tube is set to 1.2m-1.5m. If the patient is on the ground, the rescuer is kneeling and can use one knee joint to squeeze the breathing airbag at a certain frequency; if the patient is on the table, the rescuer is standing and can use the sole of the foot to press the breathing airbag at a certain frequency. The rescuer does not need to squeeze the breathing airbag with his hands. The rescuer can support the patient's lower jaw with both hands, and the airway is more fully opened. The mask can also be buckled more tightly, ensuring effective ventilation of the patient and avoiding the occurrence of hypoxia;

[0019] 2. Both ends of the breathing airbag pass through the two sides of the support and fixing frame. When the patient needs to be given breathing first aid, the two ends of the breathing airbag are connected to the two sides of the support and fixing frame. Then the medical staff squeezes the breathing airbag to deliver oxygen to the patient. When the patient does not need to be given breathing first aid, the breathing airbag can continue to be placed on the support and fixing frame for overall storage, and the support and fixing frame can prevent the breathing airbag from rolling around when stored;

[0020] 3. A mandibular support plate is provided at the bottom of the breathing mask and one end of the mandibular support plate is hinged to the breathing mask. When the patient wears the breathing mask, the mandibular support plate contacts the patient's mandible, and then the mandibular support plate is lifted upward at an appropriate angle, so that the patient's mandible can be lifted up. The rescuer does not need to lift the patient's mandible with his hands, which effectively frees the rescuer's hands and can smoothly deliver oxygen to the patient. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention will be described by way of examples with reference to the accompanying drawings, in which:

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 It is a schematic diagram of the side structure of the mandibular support plate.

[0024] Reference numerals

[0025] 1-support fixing frame, 101-vertical fixing rod, 102-horizontal support plate, 2-breathing airbag, 3-oxygen connecting tube, 4-breathing mask, 401-mask cover, 402-mask pad, 5-convex support pad, 6-mandibular support plate, 7-endotracheal tube connector, 8-threaded pipe three-way connector, 9-elastic belt, 10-anti-slip pad, 11-silicone soft pad, 12-oxygen storage bag, 13-connecting belt. DETAILED DESCRIPTION

[0026] To make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be clearly and completely described below in combination with the embodiments of the present application and the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all of the embodiments. The components of the embodiments of the present application usually described and indicated in the accompanying drawings here can be arranged and designed in various configurations. Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the application claimed for protection, but merely represents the selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the present application.

[0027] In the description of the embodiments of the present application, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or are the positions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0028] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0029] Example 1

[0030] An auxiliary breathing device comprises a breathing airbag 2 and a supporting and fixing frame 1, wherein the breathing airbag 2 is limited on the supporting and fixing frame 1, and the breathing airbag 2 can be fixed after being placed on the supporting and fixing frame 1 to prevent the breathing airbag 2 from moving during the squeezing process and affecting the cardiopulmonary resuscitation and first aid for the patient, one end of the breathing airbag 2 passes through the supporting and fixing frame 1 and is connected to one end of an oxygen connecting pipe 3, and the other end of the oxygen connecting pipe 3 is connected to a breathing mask 4, and the other end of the breathing airbag 2 passes through the supporting and fixing frame 1 and is connected to an oxygen storage bag 12. When it is necessary to perform breathing first aid on the patient, the two ends of the breathing airbag 2 are connected to the two sides of the supporting and fixing frame 1, and then the medical staff squeezes the breathing airbag 2 to deliver oxygen to the patient. When it is not necessary to perform breathing first aid on the patient, the breathing airbag 2 can continue to be placed on the supporting and fixing frame 1 for overall storage, and the supporting and fixing frame 1 can prevent the breathing airbag 2 from rolling around during storage, which greatly facilitates the storage of the breathing airbag 2, and the breathing airbag 2 can be stored in a convenient manner. One end of the bag 2 is connected to the breathing mask 4 through the oxygen connecting tube 3. The length of the oxygen connecting tube 3 is set to 1.2m-1.5m. If the patient is on the ground, the rescuer is in a kneeling position and can use one knee joint to squeeze the breathing bag 2 at a certain frequency; if the patient is on a table, the rescuer is in a standing position and can use the sole of the foot to press the breathing bag 2 at a certain frequency. In this way, the rescuer does not need to squeeze the breathing bag 2 with his hands. The rescuer can use both hands to support the patient's lower jaw, so that the airway is more fully opened and the mask can be buckled more tightly. The breathing airbag 2 is airtight, ensuring effective ventilation for the patient and avoiding the occurrence of hypoxia. The other end of the breathing airbag 2 is connected to the oxygen storage bag 12, which can increase the oxygen concentration. When an oxygen source is present, the oxygen storage bag 12 can make the oxygen concentration reach 99%. When there is no oxygen storage bag 12, the oxygen concentration is 45%; when no oxygen source is provided, the oxygen concentration is 21% of the atmospheric oxygen concentration. The breathing airbag 2 is made of elastic material, and hard connectors are provided at both ends, which can facilitate the squeezing of the breathing airbag 2 and facilitate the fixation of the breathing airbag 2.

[0031] Through holes are arranged opposite to each other on the two vertical fixing rods 101, and the through holes are kept in the same horizontal plane. The two ends of the breathing airbag 2 can pass through the through holes respectively, and the aperture of the through holes is the same as the diameter of the two ends of the breathing airbag 2. When the breathing airbag 2 needs to be fixed, the two ends of the breathing airbag 2 are respectively passed through the through holes and then extended outward, which can prevent the breathing airbag 2 from sliding during the squeezing process. The vertical fixing rod 101 can effectively fix the breathing airbag 2.

[0032] A mandibular support plate 6 is provided at the bottom of the breathing mask 4 and one end of the mandibular support plate 6 is hinged to the breathing mask 4. When the patient wears the breathing mask 4, the mandibular support plate 6 contacts the patient's mandible, and then the mandibular support plate 6 is lifted upward at an appropriate angle, so that the patient's mandible can be lifted up, and the rescuer does not need to lift the patient's mandible with his hands. The mandibular support plate 6 is set to an arc structure that better fits the patient's mandibular structure and conforms to ergonomic design, thereby reducing the patient's discomfort during the rescue process.

[0033] The outer side of the breathing mask 4 is detachably connected to an endotracheal tube connector 7 via a threaded structure, and one end of the breathing airbag 2 extending outside through the through hole is detachably connected to a threaded pipe three-way connector 8 via a threaded structure. The oxygen connecting pipe 3 is connected between the endotracheal tube connector 7 and the threaded pipe three-way connector 8. The oxygen connecting pipe 3 is usually made of soft plastic or rubber and has certain bendability and flexibility to facilitate the patient's breathing. When oxygen is delivered to the patient, the oxygen in the breathing airbag 2 enters the breathing mask 4 worn by the patient through the oxygen connecting pipe 3, and the oxygen is delivered to the patient's respiratory system to maintain the patient's normal breathing and provide timely treatment for the patient.

[0034] The breathing mask 4 includes a mask cover 401, a mask liner 402, an air outlet and an air inlet. The inner space of the mask cover 401 contacts the patient's face and is made of materials such as silicone or polyvinyl chloride. It is soft and durable, and has a certain degree of deformability, and can adapt to different face shapes, so as to achieve a good fit of the mask and prevent gas leakage. The mask cover 401 is surrounded by the mask liner 402 on the outside. The main function of the mask liner 402 is to improve the patient's comfort and reduce the pressure and tactile stimulation of the mask on the face. The general material includes silicone. Glue, foam, sponge, etc. can well absorb the sweat exhaled by the patient and the water vapor in the exhaled gas to avoid discomfort caused by water vapor accumulation. The inhalation port is connected with the endotracheal tube connector 7, which can smoothly deliver oxygen to the breathing area in the mask to meet the treatment needs. The air outlet is arranged below the breathing mask 4, and the air outlet is a channel connected to the outside of the breathing mask 4 through a hose. The hose is provided with an air outlet valve, and the air outlet valve can discharge the exhaled gas from the patient out of the respirator to avoid the exhaled gas blowing directly into the patient's eyes and mouth.

[0035] The end of the breathing airbag 2 away from the breathing mask 4 is detachably connected to the oxygen storage bag 12 through the through hole. The outlet of the oxygen storage bag 12 is provided with a threaded structure matching the breathing mask 4. The oxygen storage bag 12 and the breathing airbag 2 can be disassembled and replaced according to medical needs for easy cleaning.

[0036] The concave surface of the mandibular support plate 6 is provided with a layer of silicone cushion 11, which can reduce the patient's discomfort during the rescue process and improve the comfort level. Elastic belts 9 are respectively provided on both sides of the mandibular support plate 6, and the elastic belts 9 are detachably connected by Velcro. When the patient's mandible needs to be raised, a support frame is provided on the top of the patient's head. The mandibular support plate 6 first lifts the patient's mandible upward, and then the elastic belt 9 is pulled upward from the patient's mandible. The elastic belt 9 is connected to the support frame, which can fix the breathing mask 4 and lift the patient's mandible, freeing the rescuer's hands and improving the convenience of treatment. A connecting belt 13 is provided on the breathing mask 4, and the connecting belts 13 are detachably connected by Velcro. The connecting belt 13 can connect the breathing mask 4 to the patient's head.

[0037] An air intake valve and an oxygen storage safety valve are arranged between the breathing airbag 2 and the oxygen storage bag 12. The gas enters the breathing airbag 2 through the air intake valve and will not come out of the breathing airbag 2. The function of the oxygen storage safety valve is to avoid excessive oxygen flow and too low squeezing times. A one-way valve and a pressure safety valve are arranged between the breathing airbag 2 and the oxygen connecting pipe 3. The gas in the breathing airbag 2 enters the oxygen connecting pipe 3 through the one-way valve and will not return to the breathing airbag 2. The pressure safety valve will automatically adjust the pressure of the one-way valve within a safe range. When the pressure exceeds the use range, the pressure safety valve will automatically release excess gas to avoid airway damage.

[0038] The bottom of the horizontal support plate 102 is detachably connected with an anti-skid pad 10, and the anti-skid pad 10 can be adhered to the bottom of the horizontal support plate 102 by Velcro. The anti-skid pad 10 can be replaced and removed in time according to usage, which can further increase the stability of the breathing device and prevent the entire device from sliding when the rescuer squeezes the breathing airbag 2, thereby affecting the rescue effect.

[0039] Directions:

[0040] When it is necessary to rescue the patient, the two ends of the breathing airbag 2 are respectively passed through the through holes on the vertical fixing rod 101, one end of the breathing airbag 2 is connected to the oxygen storage bag 12, and the other end of the breathing airbag 2 is connected to the oxygen connecting pipe 3, and the other end of the oxygen connecting pipe 3 is connected to the endotracheal tube connector 7 on the breathing mask 4. After the mandibular support plate 6 is in contact with the patient's mandible and the mandibular support plate 6 is adjusted to a suitable angle, the elastic bands 9 on both sides of the mandibular support plate 6 are wrapped around the top of the patient's head for connection and fixation. If the patient is on the ground and the rescuer is in a kneeling position, one knee joint can be used to squeeze the breathing airbag 2 at a certain frequency; if the patient is on a table and the rescuer is in a standing position, the breathing airbag 2 can be pressed with the sole of the foot at a certain frequency, that is, breathing first aid can be provided to the patient.

[0041] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A breathing aid, characterized in that: The invention comprises a breathing air bag (2) and a supporting and fixing frame (1), wherein the breathing air bag (2) is limited on the supporting and fixing frame (1), one end of the breathing air bag (2) passes through the supporting and fixing frame (1) to be connected to one end of an oxygen connecting pipe (3), the other end of the oxygen connecting pipe (3) is connected to a breathing mask (4), and the other end of the breathing air bag (2) passes through the supporting and fixing frame (1) to be connected to an oxygen storage bag (12).

2. A respiratory assist device according to claim 1, characterized in that: The support fixing frame (1) comprises a horizontal support plate (102) and a vertical fixing rod (101), wherein two ends of the horizontal support plate (102) are respectively connected to a vertical fixing rod (101), and a convex support pad (5) is provided on the horizontal support plate (102), and the convex support pad (5) is located below the breathing airbag (2).

3. A respiratory assist device according to claim 2, characterized in that: Through holes are arranged opposite to each other on the two vertical fixing rods (101), the through holes are kept in the same horizontal plane, and the two ends of the breathing airbag (2) can pass through the through holes respectively.

4. A respiratory assist device according to claim 1, characterized in that: A mandibular support plate (6) is provided at the bottom of the breathing mask (4), and one end of the mandibular support plate (6) is hinged to the breathing mask (4); the mandibular support plate (6) is arranged in an arc-shaped structure.

5. A respiratory assist device according to claim 3, characterized in that: The outer side of the breathing mask (4) is detachably connected to an endotracheal tube connector (7), and one end of the breathing bag (2) extending outside through the through hole is detachably connected to a threaded tube three-way connector (8), and the oxygen connecting pipe (3) is connected between the endotracheal tube connector (7) and the threaded tube three-way connector (8).

6. A respiratory assist device according to claim 5, characterized in that: The breathing mask (4) comprises a mask cover (401), a mask cushion (402), an air outlet and an air inlet, the mask cover (401) being provided with the mask cushion (402) surrounding the outside of the mask cover (401), the air inlet being connected to the endotracheal tube connector (7), and the air outlet being provided at the bottom of the breathing mask (4).

7. A respiratory assist device according to claim 3, characterized in that: One end of the breathing airbag (2) away from the breathing mask (4) passes through the through hole and is detachably connected to the oxygen storage bag (12).

8. A respiratory assist device according to claim 4, characterized in that: The concave surface of the mandibular support plate (6) is provided with a layer of silicone soft pad (11), and elastic bands (9) are respectively provided on both sides of the mandibular support plate (6), and the elastic bands (9) are detachably connected to each other. The mask is provided with connecting bands (13), and the connecting bands (13) are detachably connected to each other.

9. A respiratory assist device according to any one of claims 1 to 8, characterized in that: An air intake valve and an oxygen storage safety valve are provided between the breathing airbag (2) and the oxygen storage bag (12), and a one-way valve and a pressure safety valve are provided between the breathing airbag (2) and the oxygen connecting pipe (3).

10. A respiratory assist device according to claim 2 or 3, characterized in that: The bottom of the horizontal support plate (102) is detachably connected to an anti-skid pad (10).

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