Flexible breathing restorer

By adopting the design of tee tubes and adjusting airbags in the respiratory recovery device, the problem of facial discomfort and non-removable sputum suction components caused by the fit of the respiratory recovery device oxygen mask is solved, achieving higher wear comfort and cleanliness, ensuring the health and safety of patients.

CN119868747AInactive Publication Date: 2025-04-25GENERAL HOSPITAL OF NUCLEAR IND
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Patent Information

Application Number
CN202411704005.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-26
Publication Date
2025-04-25
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The oxygen mask of the existing respiratory recovery device is fitted to the patient's face through a water-absorbing component, resulting in poor blood circulation and discomfort with red marks on the face; the insertion of the sputum suction component is not removable, which is easy to breed bacteria and affects the patient's health.

Method used

A flexible breathing recovery device is designed, using a tee tube and an adjusting airbag, which enters the adjusting airbag through the third ventilator, so that it expands and fits the face, and the sputum suction device of the oxygen mask is disassembled and cleaned through a threaded connection.

Benefits of technology

It improves the patient's comfort, avoids facial compression and red marks, ensures the cleanliness of the sputum suction device, reduces the risk of bacterial growth, and enhances the patient's life, health and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of medical respirator maintenance, in particular to a flexible respiration restorer. A breathing air bag is installed on the breathing machine body, a connecting pipe is arranged on the breathing air bag, the connecting pipe is fixedly connected with a breathing pipe body, the breathing pipe body is fixedly connected with a three-way pipe, the three-way pipe is detachably connected with the oxygen mask, and a fixing device and a sputum suction device are arranged on the oxygen mask. The three-way pipe and the adjusting air bag are arranged, oxygen flow division is facilitated, a small part of oxygen enters the adjusting air bag through the third ventilation pipe, the adjusting air bag starts to expand under the air pressure intensity and is tightly attached to the face of a patient, the adjusting air bag is elastic and cannot press the face of the patient, and the wearing comfort of the patient is improved.
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Description

Technical Field

[0001] The invention relates to the technical field of medical respirator maintenance, in particular to a flexible respiration restorer. Background Art

[0002] A respiratory resuscitator, also known as a pressurized oxygen bag, is a simple tool for artificial ventilation. Compared with mouth-to-mouth breathing, it has a higher oxygen concentration and is easy to operate. Especially when the patient is in critical condition and there is no time for tracheal intubation, a pressurized mask can be used to directly supply oxygen to the patient, so that the patient can get sufficient oxygen supply and improve tissue hypoxia.

[0003] However, the oxygen masks of some existing respirators need to be worn on the patient's face, and the water absorption component is used to make the patient's face and the oxygen mask fit more closely. However, poor blood circulation over time will cause a circle of red marks at the contact point between the patient's face and the oxygen mask, causing discomfort to the patient. In addition, the sputum suction component is inserted into the patient's mouth and cannot be removed and replaced, which can easily breed bacteria, posing a hidden danger to the patient's life and health.

[0004] Therefore, a flexible respiration restorer is needed that is easy to operate, does not compress the patient's face, improves the patient's wearing comfort, and is easy to disassemble and clean the sputum suction component to meet the needs of the existing environment. Summary of the invention

[0005] The purpose of this section is to summarize some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the title of the invention of this application to avoid blurring the purpose of this section, the abstract of the specification and the title of the invention, and such simplifications or omissions cannot be used to limit the scope of the present invention.

[0006] In view of the above-mentioned prior art, the oxygen mask of some existing respiratory resuscitation devices needs to be worn on the patient's face, and the water absorption component is used to make the patient's face and the oxygen mask fit more closely. However, over time, poor blood circulation will cause a circle of red marks at the contact point between the patient's face and the oxygen mask, causing discomfort to the patient. In addition, the sputum suction component is inserted into the patient's mouth and cannot be disassembled and replaced, which is easy to breed bacteria.

[0007] Therefore, the technical problem to be solved by the present invention is to design a flexible respiratory restorer that is simple to operate, does not compress the patient's face, improves the patient's wearing comfort, and is easy to disassemble and clean the sputum suction component to meet the needs of the existing environment.

[0008] In order to solve the above technical problems, the present invention provides the following technical solutions: A respirator body and an oxygen mask, wherein a breathing airbag is installed on the respirator body, a connecting pipe is arranged on the breathing airbag, the connecting pipe is fixedly connected to a breathing tube body, the breathing tube body is fixedly connected to a three-way pipe, the three-way pipe and the oxygen mask are detachably connected, and a fixing device and a sputum suction device are arranged on the oxygen mask.

[0009] As an improvement of the present invention, a high-definition display screen is provided on the respirator body, and an adjustment button is provided on the high-definition display screen. The high-definition display screen can display relevant information data of the breathing bag, and the adjustment button can adjust relevant parameters such as the pressure of the breathing bag.

[0010] As an improvement of the present invention, the breathing tube body includes a first ventilation tube, which is fixedly connected to the left end interface of the three-way tube, the right end interface of the three-way tube is connected to the second ventilation tube, the other end of the second ventilation tube extends into the interior of the oxygen mask, the lower end interface of the three-way tube is connected to the third ventilation tube, the other end of the third ventilation tube extends into the interior of the oxygen mask, and the inner diameter of the second ventilation tube is much larger than that of the third ventilation tube.

[0011] As an improvement of the present invention, the second ventilation pipe and the third ventilation pipe are detachably connected to the three-way pipe and the oxygen mask.

[0012] As an improvement of the present invention, the oxygen mask includes a mask body, an oxygen through hole is opened on the mask body, a second ventilation pipe is connected to the inside of the oxygen through hole, a threaded connector is provided on the mask body, a mask connector is fixedly connected to a side of the mask body away from the second ventilation pipe, an adjusting airbag is fixedly connected to a side of the mask connector away from the second ventilation pipe, the mask connector and the adjusting airbag are hollow inside, the mask connector and the adjusting airbag are communicated with each other, and a third ventilation pipe is connected to the inside of the mask connector.

[0013] As an improvement of the present invention, the fixing device includes a first fixing strap and a second fixing strap, the two ends of the first fixing strap are fixedly connected with a first fixing ring and a second fixing ring, the first fixing ring is locked on the third fixing ring, the third fixing ring is fixedly connected to the first fixing member, the first fixing member is arranged on one side of the mask connecting member, the second fixing ring is locked on the fourth fixing ring, the fourth fixing ring is fixedly connected to the second fixing member, and the second fixing member is arranged on the other side of the mask connecting member.

[0014] As an improvement of the present invention, a fifth fixing ring and a sixth fixing ring are fixedly connected at both ends of the second fixing belt, the fifth fixing ring is locked on the seventh fixing ring, the seventh fixing ring is fixedly connected to the third fixing piece, the third fixing piece is arranged on one side of the mask connecting piece, the sixth fixing ring is locked on the eighth fixing ring, the eighth fixing ring is fixedly connected to the fourth fixing piece, and the fourth fixing piece is arranged on the other side of the mask connecting piece.

[0015] As an improvement of the present invention, a fifth fixing ring and a sixth fixing ring are fixedly connected at both ends of the second fixing belt, the fifth fixing ring is locked on the seventh fixing ring, the seventh fixing ring is fixedly connected to the third fixing piece, the third fixing piece is arranged on one side of the mask connecting piece, the sixth fixing ring is locked on the eighth fixing ring, the eighth fixing ring is fixedly connected to the fourth fixing piece, and the fourth fixing piece is arranged on the other side of the mask connecting piece.

[0016] As an improvement of the present invention, the sputum suction device includes a first sputum suction tube and a second sputum suction tube, the first sputum suction tube is sleeved with an annular connecting piece, the annular connecting piece is provided with a first thread, the first thread and the threaded connecting piece are threadedly connected, the second sputum suction tube is sleeved with a bite piece, the bite piece is provided with an annular groove, and the first sputum suction tube is provided with a one-way valve.

[0017] The beneficial effects of the present invention are as follows: the present invention is provided with a three-way pipe and an adjusting airbag, which is conducive to the diversion of oxygen. A small part of the oxygen enters the adjusting airbag through the third ventilation pipe. The adjusting airbag begins to expand due to the gas pressure and fits tightly to the patient's face. The adjusting airbag is elastic and will not compress the patient's face, thereby improving the patient's wearing comfort. The annular connector and the threaded connector are conducive to the disassembly and installation of the sputum suction device by rotating the first thread and the threaded connector, so that the sputum suction device as a whole can be removed from the oxygen mask for replacement and cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them: Figure 1 It is an overall schematic diagram of the operating scenario in the present invention.

[0019] Figure 2 It is a schematic diagram of the structure of the oxygen mask in the present invention.

[0020] Figure 3 It is a planar cross-sectional view of the peripheral structure of the oxygen mask in the present invention.

[0021] Figure 4 It is a schematic diagram of the local structure of the oxygen mask in the present invention.

[0022] Figure 5 It is a three-dimensional schematic diagram of the fixing belt structure in the present invention.

[0023] Figure 6 It is a schematic diagram of the sputum suction structure in the present invention. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0025] Example 1 Reference Figure 1 , this embodiment provides a flexible breathing restorer.

[0026] A breathing recovery device includes a breathing machine body 100 and an oxygen mask 400, wherein a breathing airbag 103 is installed on the breathing machine body 100, a connecting pipe 104 is arranged on the breathing airbag 103, the connecting pipe 104 is fixedly connected to a breathing tube body 200, the breathing tube body 200 is fixedly connected to a three-way pipe 300, the three-way pipe 300 and the oxygen mask 400 are detachably connected, and a fixing device 500 and a sputum suction device 600 are arranged on the oxygen mask 400; First, insert the suction device 600 into the patient's mouth, and then wear the oxygen mask 400 on the patient's face through the fixing device 500. After fixing, start the breathing machine body 100, and the breathing airbag 103 supplies oxygen. Most of the oxygen enters the oxygen mask 400 through the second ventilation tube 202, and a small part of the oxygen enters the regulating airbag 403 through the third ventilation tube 203. The regulating airbag 403 elastically expands to fit the patient's face.

[0027] The main difference between this embodiment and the prior art is that this embodiment adopts a three-way pipe 300, through which oxygen is diverted, most of the oxygen enters the oxygen mask 400 to supply oxygen to the patient, and a small part enters the mask connector 402 and the regulating airbag 403 of the oxygen mask 400 through the third ventilation pipe 203. The regulating airbag 403 begins to expand under the gas pressure and fits tightly to the patient's face. The regulating airbag 403 is elastic and will not press the patient's face, thereby improving the patient's wearing comfort. In addition, The sputum suction device 600 is disassembled and installed by rotating the first thread 603a and the threaded connector 404, so that the sputum suction device 600 is removed from the oxygen mask 400 as a whole for replacement and cleaning, ensuring that bacteria will not breed and threaten the life and health of the patient, and the second ventilation pipe 202 and the third ventilation pipe 203 can also be disassembled, replaced and cleaned, specifically the three-way pipe 300, the third ventilation pipe 203, the mask connector 402, the adjustment airbag 403, the threaded connector 404 and the first thread 603a; The above structure solves the problem that the oxygen mask 400 of the breathing resuscitation device needs to be worn on the patient's face. The water absorption component makes the patient's face and the oxygen mask 400 fit more closely. However, over time, poor blood circulation will cause a circle of red marks at the contact point between the patient's face and the oxygen mask 400, causing discomfort to the patient. In addition, the sputum suction component is inserted into the patient's mouth and cannot be disassembled and replaced, which is easy to breed bacteria, posing a hidden danger to the patient's life and health. The threaded connector 404 is an existing structure. The specific structure and connection method of the threaded connector 404 are not described in detail in this embodiment. In addition, the adjustment airbag 403 also belongs to the existing technology. Therefore, this application does not make detailed limitations.

[0028] Example 2 Reference Figures 1 to 3 This embodiment is based on the previous embodiment, and is different from the previous embodiment in that The breathing machine body 100 is provided with a high-definition display screen 101 , and the high-definition display screen 101 is provided with an adjustment button 102 . The high-definition display screen 101 can display relevant information data of the breathing bag 103 , and the adjustment button 102 can adjust relevant parameters such as the pressure of the breathing bag 103 .

[0029] The breathing bag 103 supplies oxygen to the oxygen mask 400. The breathing bag 103 can be automatically compressed and restored. The high-definition display screen 101 displays data such as the oxygen concentration value in the breathing bag 103, the pressure during compression, and the compression frequency, so that medical staff can understand the situation and adjust various parameters of the breathing bag 103 using the adjustment button 102 according to the patient's condition.

[0030] The breathing tube body 200 includes a first ventilation tube 201, which is fixedly connected to the left end interface of the three-way tube 300, and the right end interface of the three-way tube 300 is connected to the second ventilation tube 202, and the other end of the second ventilation tube 202 extends into the interior of the oxygen mask 400. The lower end interface of the three-way tube 300 is connected to the third ventilation tube 203, and the other end of the third ventilation tube 203 extends into the interior of the oxygen mask 400. The inner diameter of the second ventilation tube 202 is much larger than that of the third ventilation tube 203.

[0031] The oxygen in the breathing bag 103 enters the first ventilation tube 201 through the connecting tube 104, and is diverted by the three-way pipe 300. Since the inner diameter of the second ventilation tube 202 is much larger than that of the third ventilation tube 203, most of the oxygen directly enters the oxygen mask 400 through the second ventilation tube 202 to supply oxygen to the patient, and a small part enters the mask connector 402 through the third ventilation tube 203, and then enters the regulating airbag 403 through the mask connector 402, so that the regulating airbag 403 expands and fits tightly against the patient's face to prevent oxygen leakage. The regulating airbag 403 is elastic and will not press on the patient's face, thereby improving the patient's wearing comfort.

[0032] The second ventilating pipe 202 and the third ventilating pipe 203 are all detachably connected to the three-way pipe 300 and the oxygen mask 400. By disassembling the second ventilating pipe 202 and the third ventilating pipe 203, they are replaced and cleaned to avoid breeding bacteria and the like for a long time, which may endanger the health of the patient.

[0033] The oxygen mask 400 includes a mask body 401, an oxygen through hole 401a is opened on the mask body 401, and the second ventilation pipe 202 is connected inside the oxygen through hole 401a. A threaded connector 404 is provided on the mask body 401. The mask connector 402 is fixedly connected to the side of the mask body 401 away from the second ventilation pipe 202, and the mask connector 402 is fixedly connected to the side of the mask connector 402 away from the second ventilation pipe 202. The mask connector 402 and the regulating airbag 403 are hollow inside, the mask connector 402 and the regulating airbag 403 are connected inside, and the mask connector 402 is connected to the third ventilation pipe 203.

[0034] The second ventilation tube 202 passes through the oxygen through hole 401a and enters the oxygen mask 400 to facilitate oxygen supply. Since the mask connector 402 and the regulating airbag 403 are hollow and the mask connector 402 and the regulating airbag 403 are connected, after the gas enters the mask connector 402 through the third ventilation tube 203, the gas diffuses in the mask connector 402 and the regulating airbag 403, causing the regulating airbag 403 to expand.

[0035] Example 3 Reference Figures 1 to 6This embodiment is based on the previous embodiment, and is different from the previous embodiment in that: The fixing device 500 includes a first fixing belt 501 and a second fixing belt 504. The two ends of the first fixing belt 501 are fixedly connected with a first fixing ring 501a and a second fixing ring 501b. The first fixing ring 501a is locked on the third fixing ring 502a. The third fixing ring 502a is fixedly connected to the first fixing member 502. The first fixing member 502 is set on one side of the mask connecting member 402. The second fixing ring 501b is locked on the fourth fixing ring 503a. The fourth fixing ring 503a is fixedly connected to the second fixing member 503. The second fixing member 503 is set On the other side of the mask connector 402, the two ends of the second fixing belt 504 are fixedly connected with the fifth fixing ring 504a and the sixth fixing ring 504b, the fifth fixing ring 504a is locked on the seventh fixing ring 505a, the seventh fixing ring 505a is fixedly connected to the third fixing piece 505, the third fixing piece 505 is arranged on one side of the mask connector 402, the sixth fixing ring 504b is locked on the eighth fixing ring 506a, the eighth fixing ring 506a is fixedly connected to the fourth fixing piece 506, and the fourth fixing piece 506 is arranged on the other side of the mask connector 402.

[0036] When wearing, stretch the first fixing belt 501 and the second fixing belt 504, pass the first fixing belt 501 and the second fixing belt 504 around the head, adjust the position of the oxygen mask 400, and loosen the first fixing belt 501 and the second fixing belt 504 after adjustment to make it close to the patient's head.

[0037] The sputum suction device 600 includes a first sputum suction tube 601 and a second sputum suction tube 602. The first sputum suction tube 601 is sleeved with an annular connector 603, and the annular connector 603 is provided with a first thread 603a. The first thread 603a is threadedly connected to the threaded connector 404. The second sputum suction tube 602 is sleeved with a bite piece 604, and the bite piece 604 is provided with an annular groove 604a. The first sputum suction tube 601 is provided with a one-way valve 605.

[0038] When wearing the oxygen mask 400, first insert the second suction tube 602 into the patient's mouth. The patient's teeth are located in the annular groove 604a of the bite piece 604. Negative pressure is generated through the one-way valve 605 to suck out the sputum in the patient's mouth. Since the first thread 603a and the threaded connector 404 are threadedly connected, the first thread 603a and the threaded connector 404 can be disassembled and installed by rotating the first thread 603a and the threaded connector 404, so that the suction device 600 can be removed from the oxygen mask 400 as a whole, replaced and cleaned, to ensure that bacteria will not breed and pose a threat to the patient's life and health.

[0039] The oxygen mask 400 of the breathing resuscitation device needs to be worn on the patient's face. The water absorption component makes the patient's face and the oxygen mask 400 fit more closely. However, poor blood circulation over time will cause a circle of red marks at the contact point between the patient's face and the oxygen mask 400, causing discomfort to the patient. In addition, the sputum suction component is inserted into the patient's mouth and cannot be disassembled and replaced, which is easy to breed bacteria, posing a hidden danger to the patient's life and health.

[0040] When wearing the oxygen mask 400, first insert the second suction tube 602 into the patient's mouth, and the patient's teeth are located in the annular groove 604a of the bite piece 604. Then, by stretching the first fixing belt 501 and the second fixing belt 504, the first fixing belt 501 and the second fixing belt 504 are passed around the head to adjust the position of the oxygen mask 400. After adjustment, loosen the first fixing belt 501 and the second fixing belt 504 to make it close to the patient's head. After fixing, start the breathing machine body 100, and supply oxygen to the oxygen mask 400 through the breathing bag 103. The breathing bag 103 can be automatically compressed and restored. The high-definition display screen 101 displays the oxygen concentration value in the breathing bag 103, the pressure during compression, the compression frequency and other data, which is convenient for medical staff to understand the situation and use the adjustment button 102 to adjust the various parameters of the breathing bag 103 according to the patient's condition.

[0041] The oxygen in the breathing airbag 103 enters the first ventilation pipe 201 through the connecting pipe 104, and is diverted by the three-way pipe 300. Since the inner diameter of the second ventilation pipe 202 is much larger than that of the third ventilation pipe 203, most of the oxygen passes through the second ventilation pipe 202, and the second ventilation pipe 202 passes through the oxygen through hole 401a to enter the oxygen mask 400 to supply oxygen to the patient, and a small part of the oxygen enters the mask connector 402 through the third ventilation pipe 203. Since the mask connector 402 and the regulating airbag 403 are hollow inside and the mask connector 402 and the regulating airbag 403 are connected inside, after the gas enters the mask connector 402 through the third ventilation pipe 203, the gas is The diffusion inside the throttling bag 403 causes the regulating bag 403 to expand and fit tightly against the patient's face to prevent oxygen leakage. The regulating bag 403 is elastic and will not press on the patient's face, thereby improving the patient's wearing comfort. Negative pressure is generated through the one-way valve 605 to suck out the sputum in the patient's mouth. Since the first thread 603a is threadedly connected to the threaded connector 404, the disassembly and installation can be achieved by rotating the first thread 603a and the threaded connector 404, so that the sputum suction device 600 can be removed from the oxygen mask 400 as a whole for replacement and cleaning. The second ventilation tube 202 and the third ventilation tube 203 can also be removed for replacement and cleaning to ensure that bacteria will not breed and pose a threat to the patient's life and health.

[0042] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A flexible breathing recovery device, characterized in that: include, A breathing machine body (100) and an oxygen mask (400), wherein a breathing airbag (103) is installed on the breathing machine body (100), a connecting tube (104) is provided on the breathing airbag (103), the connecting tube (104) is fixedly connected to a breathing tube body (200), the breathing tube body (200) is fixedly connected to a three-way pipe (300), the three-way pipe (300) and the oxygen mask (400) are detachably connected, and a fixing device (500) and a sputum suction device (600) are provided on the oxygen mask (400).

2. The flexible breathing restorer according to claim 1, characterized in that: The breathing machine body (100) is provided with a high-definition display screen (101), and the high-definition display screen (101) is provided with an adjustment button (102). The high-definition display screen (101) can display relevant information data of the breathing airbag (103), and the adjustment button (102) can adjust relevant parameters such as the pressure of the breathing airbag (103).

3. The flexible breathing restorer according to claim 2, characterized in that: The breathing tube body (200) comprises a first ventilation tube (201), the first ventilation tube (201) being fixedly connected to the left end interface of the three-way tube (300), the right end interface of the three-way tube (300) being connected to the second ventilation tube (202), the other end of the second ventilation tube (202) extending into the interior of the oxygen mask (400), the lower end interface of the three-way tube (300) being connected to the third ventilation tube (203), the other end of the third ventilation tube (203) extending into the interior of the oxygen mask (400), and the inner diameter of the second ventilation tube (202) being much larger than that of the third ventilation tube (203).

4. The flexible breathing restorer according to claim 3, characterized in that: The second ventilation pipe (202) and the third ventilation pipe (203) are detachably connected to the three-way pipe (300) and the oxygen mask (400).

5. The flexible breathing restorer according to claim 4, characterized in that: The oxygen mask (400) comprises a mask body (401), the mask body (401) being provided with an oxygen through hole (401a), the oxygen through hole (401a) being internally connected to a second ventilation pipe (202), the mask body (401) being provided with a threaded connector (404), the mask body (401) being fixedly connected to a mask connector (402) on a side of the mask body (401) away from the second ventilation pipe (202), the mask connector (402) being fixedly connected to an adjustment air bag (403) on a side of the mask connector (402) away from the second ventilation pipe (202), the mask connector (402) and the adjustment air bag (403) being hollow inside, the mask connector (402) and the adjustment air bag (403) being internally connected, and the mask connector (402) being internally connected to a third ventilation pipe (203).

6. The flexible breathing restorer according to claim 5, characterized in that: The fixing device (500) comprises a first fixing belt (501) and a second fixing belt (504); two ends of the first fixing belt (501) are fixedly connected to a first fixing ring (501a) and a second fixing ring (501b); the first fixing ring (501a) is locked on a third fixing ring (502a); the third fixing ring (502a) is fixedly connected to a first fixing member (502); the first fixing member (502) is arranged on one side of a mask connecting member (402); the second fixing ring (501b) is locked on a fourth fixing ring (503a); the fourth fixing ring (503a) is fixedly connected to a second fixing member (503); the second fixing member (503) is arranged on the other side of the mask connecting member (402).

7. The flexible breathing restorer according to claim 6, characterized in that: The two ends of the second fixing belt (504) are fixedly connected to a fifth fixing ring (504a) and a sixth fixing ring (504b); the fifth fixing ring (504a) is locked on the seventh fixing ring (505a); the seventh fixing ring (505a) is fixedly connected to the third fixing member (505); the third fixing member (505) is arranged on one side of the mask connecting member (402); the sixth fixing ring (504b) is locked on the eighth fixing ring (506a); the eighth fixing ring (506a) is fixedly connected to the fourth fixing member (506); the fourth fixing member (506) is arranged on the other side of the mask connecting member (402).

8. The flexible breathing restorer according to claim 7, characterized in that: The sputum suction device (600) comprises a first sputum suction tube (601) and a second sputum suction tube (602); the first sputum suction tube (601) is sleeved with an annular connecting piece (603); the annular connecting piece (603) is provided with a first thread (603a); the first thread (603a) is threadedly connected to the threaded connecting piece (404); the second sputum suction tube (602) is sleeved with a bite piece (604); the bite piece (604) is provided with an annular groove (604a); and the first sputum suction tube (601) is provided with a one-way valve (605).