First-aid air bag type tourniquet

Abstract

The utility model relates to the technical field of medical instruments, and provides a first-aid air bag type tourniquet which comprises a tourniquet body with a hemostasis air bag cavity, the tourniquet body is long enough to surround limbs of a person, the air bag type tourniquet further comprises an inflation assembly, and the inflation assembly is provided with an inflation bag and an inflation channel communicated with the inflation bag. The inflation channel is communicated with the hemostasis air bag cavity, and after the inflation bag is inflated and expanded, air in the inflation bag flows to the hemostasis air bag cavity through the inflation channel, so that after the tourniquet body is expanded, compression hemostasis can be conducted on wound tissue of a wounded person. When the tourniquet needs to stop bleeding of the wound of the wounded person, the tourniquet body is worn on the wound of the limb of the wounded person, the inflatable bag is used for inflating the tourniquet body, so that the tourniquet body can perform compression hemostasis on the wound after being expanded, and the tourniquet is simple, convenient, rapid and safe to operate.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of medical apparatus and instruments, in particular to a first-aid air bag type tourniquet. BACKGROUND

[0002] In an emergency situation, when the injured person is alone or medical aid has not arrived in time, blood loss is a major cause of death. In this case, the use of a tourniquet to stop blood loss from an injured arm or leg is a well-known method of stopping bleeding. Typically, in an emergency situation, when the injured person is alone, he or she must be able to stop the blood flow from his or her arm or leg with only one hand using a tourniquet. A typical tourniquet is a bandage that is tightened or wrapped around a limb, such as an arm or leg, in an attempt to stop severe blood loss or uncontrolled bleeding in an emergency situation.

[0003] At present, the tourniquet is a pressure bandage made of a rubber tube or a rubber band, which is used to press the blood vessels of the patient. The operation of the pressure bandage is usually manual and performed by both hands at the same time. This operation method is time-consuming, laborious and low in efficiency. In addition, when the pressure bandage is used to press the blood vessels of different arms, it needs to be adjusted several times to adjust the tightness to the appropriate degree, and the operation is complicated. Therefore, the present scheme provides a first-aid air bag type tourniquet. The air bag type tourniquet is mainly an improvement of the existing tourniquet for the limbs. The air bag type tourniquet is easy and fast to use, has good hemostatic effect, and can also be used as a bandage for fixing and bandaging. SUMMARY

[0004] The utility model provides a kind of first-aid air bag type tourniquet, when the wound of injured person needs to be hemostatic, tourniquet main body is worn at the wound of injured person's limb, and air-filled bag is used to inflate tourniquet main body, so that it can be compressed hemostatic to wound after expansion, specific implementation mode is as follows:

[0005] A first-aid air bag type tourniquet includes a tourniquet main body with a hemostatic air bag cavity. The tourniquet main body has sufficient length to encircle a person's limb. The air bag type tourniquet also includes an inflation assembly. The inflation assembly has an air-filled bag and an inflation channel in communication with the air-filled bag. The inflation channel is in communication with the hemostatic air bag cavity. After the air-filled bag is inflated and expanded, the gas in the air-filled bag flows to the hemostatic air bag cavity through the inflation channel, so that the tourniquet main body can be expanded to compress and hemostatic at the wound tissue of the injured person.

[0006] As a further scheme of the utility model, the inflation assembly forms an air inlet. The air inlet communicates the hemostatic air bag cavity with the outside world. The air inlet is provided with an air inlet check valve at its port to limit the backflow of gas to the air-filled bag.

[0007] As a further scheme of the utility model, the inflating assembly further comprises a shell, the shell is formed with a containing cavity, and the inflating bag and the inflating channel are arranged in the shell.

[0008] As a further scheme of the utility model, a gas guide head in communication with the inflating channel is arranged in the shell, the gas guide head is inserted into the tourniquet main body and is in communication with the tourniquet air bag cavity.

[0009] As a further scheme of the utility model, the tourniquet main body is formed with an air inlet channel in communication with the tourniquet air bag cavity, and an air exhaust check valve is arranged in the air inlet channel to limit the backflow of the gas flowing to the tourniquet air bag cavity.

[0010] As a further scheme of the utility model, a soft rubber plug is further arranged in the air inlet channel, the soft rubber plug is arranged axially on the air inlet channel, and the soft rubber plug is in plug-in cooperation with the gas guide head.

[0011] As a further scheme of the utility model, the tourniquet main body is formed with an air outlet, the air outlet is in communication with the tourniquet air bag cavity, and the air outlet is provided with an air exhaust valve for sealing the tourniquet air bag cavity.

[0012] As a further scheme of the utility model, a tearable line is connected between the inflating assembly and the tourniquet main body, and the tearable line extends to the width direction of the tourniquet main body.

[0013] As a further scheme of the utility model, the tearable line is formed with a second through hole, and the gas guide head is in communication with the air inlet channel after penetrating through the second through hole.

[0014] As a further scheme of the utility model, the front surface and the back surface of the tourniquet main body are provided with magic tapes which are bonded to each other.

[0015] Due to the above technical scheme, the utility model has the beneficial technical effects that:

[0016] 1. When the utility model needs to stop bleeding of a wound of a wounded person, the tourniquet main body is worn at the wound of the wounded person, and the tourniquet main body is inflated by using the inflating bag, so that the tourniquet main body can be inflated to stop bleeding of the wound after compression, and the operation is simple, fast and safe;

[0017] 2. The air inlet and the air inlet channel of the utility model are both provided with check valves, the check valves work when the inflating bag transports the gas, the tourniquet main body is inflated and stops bleeding of the damaged wound tissue of the wounded person by compression, the backflow of the gas is prevented, and the tourniquet main body is always in an inflated state;

[0018] 3. The utility model is provided with a tearable line between the inflating assembly and the tourniquet main body, the inflating assembly is separated from the tourniquet main body by tearing the tearable line after the tourniquet main body is inflated, and the tourniquet main body can be wrapped around the wounded person. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a structural diagram of an emergency airbag tourniquet in a specific embodiment of the present utility model;

[0020] Figure 2 This is a cross-sectional view of an emergency airbag tourniquet in a specific embodiment of the present utility model;

[0021] Figure 3 For this utility model Figure 2 A magnified view of the structure of part A;

[0022] Figure 4 This is a partial cross-sectional view of an emergency airbag tourniquet in a specific embodiment of the present utility model;

[0023] Figure 5 For this utility model Figure 4 A magnified view of the structure of part B.

[0024] Description of reference numerals:

[0025] 1. Inflatable component, 2. Tourniquet body, 3. Tear line, 4. Exhaust valve, 5. Soft rubber plug, 6. Intake check valve, 7. Exhaust check valve,

[0026] 11. Shell, 12. Accommodating cavity, 13. Inflatable bag, 14. Bag cavity, 15. Air guide cavity, 16. Air guide head, 17. Air inlet, 18. First connecting end,

[0027] 21. Hemostatic airbag cavity, 22. Air inlet channel, 23. Second connection end, 24. Exhaust port, 25. First port, 26. Hook surface, 27. Hair surface,

[0028] 31. The second opening. DETAILED DESCRIPTION

[0029] The following describes the specific implementation of the utility model with reference to the accompanying drawings and embodiments:

[0030] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions for the implementation of the present utility model. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this utility model without affecting the efficacy and purpose that can be achieved by the present utility model.

[0031] Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" cited in the present specification are only for the convenience of clear description, and are not intended to limit the scope of the present application, and the change or adjustment of the relative relationship is also regarded as the scope of the present application without substantial change of the technical content.

[0032] Embodiment 1, in combination Figures 1 to 5 As shown in the figure, the present embodiment provides a first-aid air bag tourniquet, which comprises a tourniquet body 2 with a tourniquet air bag cavity 21, the tourniquet body 2 has enough length to encircle the limb of a person, and the air bag tourniquet further comprises an inflation assembly 1, the inflation assembly 1 has an inflation bag 13 and an inflation channel in communication with the inflation bag 13, the inflation channel is in communication with the tourniquet air bag cavity 21, and after the inflation bag 13 is inflated and expanded, the gas in the inflation bag 13 flows to the tourniquet air bag cavity 21 through the inflation channel, so that the tourniquet body 2 can be expanded to compress and stop bleeding at the wound tissue of the injured person. The tourniquet body 2 is made of polypropylene spun-bonded fabric, which is a light, soft and elastic material with good air permeability and waterproofness, and can effectively block liquid penetration. When it is necessary to stop bleeding at the wound of the injured person, the tourniquet body 2 is worn at the wound of the limb of the injured person, and the inflation bag 13 is squeezed to inflate the tourniquet body 2, so that the tourniquet body 2 can be expanded to compress and stop bleeding at the wound after inflation, which is simple to operate.

[0033] Specifically, as shown in Figure 2 , Figure 4 The inflation assembly 1 further comprises a shell 11, the shell 11 is formed with a receiving cavity 12, and the inflation bag 13 and the inflation channel are arranged in the shell 11. In the present embodiment, the inflation bag 13 is formed with a bag cavity 14 for containing gas, and the inflation channel is arranged as a gas guide cavity 15, which is arranged in the shell 11 and communicates with the bag cavity 14 of the inflation bag 13. The gas in the bag cavity 14 flows to the tourniquet air bag cavity 21 of the tourniquet body 2 through the gas guide cavity 15, so that the tourniquet body 2 can be expanded to compress and stop bleeding at the wound of the injured person after inflation.

[0034] Specifically, the inflation assembly 1 is formed with an air inlet 17, which communicates the tourniquet air bag cavity 21 with the outside world, and the port of the air inlet 17 is provided with an air inlet check valve 6 to limit the backflow of gas into the inflation bag 13. The air inlet 17 is arranged on the shell 11 and the inflation bag 13, so that the bag cavity 14 is in communication with the outside world. When the inflation bag 13 is squeezed, the gas enters the bag cavity 14 through the air inlet 17, and at the same time, the air inlet check valve 6 can prevent the gas entering the bag cavity 14 from flowing back, so that the gas entering the bag cavity 14 enters the tourniquet air bag cavity 21, so that the tourniquet body 2 is expanded to compress and stop bleeding at the wound.

[0035] Specifically, as shown in Figure 1 ,Figure 3 As shown, the housing 11 is provided with a gas guide head 16 communicating with the inflation channel, which is inserted into the tourniquet body 2 and communicates with the tourniquet air bag cavity 21. The gas guide head 16 is provided as a tubular mechanism, and the gas guide head 16 forms a gas flow cavity communicating with the gas guide cavity 15. The nozzle of the gas guide head 16 is inserted and matched with the tourniquet body 2. When the inflation bag 13 is squeezed, the gas enters the bag cavity 14 through the air inlet 17, and then enters the tourniquet air bag cavity 21 through the gas guide cavity 15 and the gas guide head 16 in turn, so that the tourniquet body 2 is inflated, thereby enabling the wound to be compressed and hemostatic; in the embodiment, the port of the gas guide head 16 can be provided as a sharp needle structure, facilitating insertion and matching with the tourniquet body 2.

[0036] Specifically, as shown in Figure 3 , Figure 5 The tourniquet body 2 forms an air inlet channel 22 communicating with the tourniquet air bag cavity 21, and the air inlet channel 22 is provided with an exhaust check valve 7 for limiting the backflow of gas to the tourniquet air bag cavity 21. The tourniquet body 2 is provided with a first opening 25 corresponding to the gas guide head 16, and the first opening 25 communicates with the air inlet channel 22. After the gas guide head 16 penetrates the first opening 25, it enters the air inlet channel 22, so that the gas from the gas guide head 16 enters the air inlet channel 22 and flows into the tourniquet air bag cavity 21, and the tourniquet body 2 is inflated, thereby enabling the wound of the injured person to be compressed and hemostatic.

[0037] Specifically, the air inlet channel 22 is also provided with a soft rubber plug 5, which is axially arranged on the air inlet channel 22 and is inserted and matched with the gas guide head 16. The soft rubber plug 5 is made of soft rubber material, thereby facilitating insertion and matching with the gas guide head 16 and ensuring the stability of the connection with the gas guide head 16.

[0038] Specifically, the tourniquet body 2 forms an exhaust port 24 communicating with the tourniquet air bag cavity 21, and the exhaust port 24 is provided with an exhaust valve 4 for sealing the tourniquet air bag cavity 21. When the exhaust valve 4 is matched with the exhaust port 24, the tourniquet air bag cavity 21 is in a sealed state, and the tourniquet body 2 can be inflated to compress and hemostatic the wound site of the injured person; when exhaust is needed, the exhaust valve 4 is removed from the exhaust port 24, so that the tourniquet air bag cavity 21 communicates with the outside, thereby enabling the gas in the tourniquet air bag cavity 21 to flow to the outside, thereby realizing the exhaust function.

[0039] Specifically, the inflating assembly 1 is connected with the tourniquet body 2 through a tearable line 3, which extends to the width direction of the tourniquet body 2. The corresponding ends of the inflating assembly 1 and the tourniquet body 2 are respectively provided with a first connecting end 18 and a second connecting end 23, and a first through hole 25 is arranged on the second connecting end 23. The tearable line 3 is arranged between the first connecting end 18 and the second connecting end 23. After the tourniquet body 2 is inflated, the tearable line 3 is torn to separate the inflating assembly 1 from the tourniquet body 2, so that the tourniquet body 2 can be wrapped around the injured limb.

[0040] Specifically, the tearable line 3 is formed with a second through hole 31, and the air guide head 16 is communicated with the air inlet channel 22 after penetrating through the second through hole 31. The second through hole 31 is arranged corresponding to the air guide head 16. After the air guide head 16 penetrates through the second through hole 31, it enters the air inlet channel 22 through the first through hole 25, so as to realize the connection between the inflating assembly 1 and the tourniquet body 2.

[0041] Specifically, the front surface and the back surface of the tourniquet body 2 are provided with magic tapes which are bonded to each other. The magic tapes include a hook surface 26 and a loop surface 27. The hook surface 26 is arranged on the front surface of the tourniquet body 2, and the loop surface 27 is arranged on the back surface of the tourniquet body 2. After the inflating assembly 1 is torn off through the tearable line 3, the loop surface 27 and the hook surface 26 are bonded to each other, so that the tourniquet body 2 can be wrapped around the injured limb.

[0042] The working principle of the embodiment is that, in use, the inflating bag 13 is squeezed, and the gas enters the cavity 14 through the air inlet 17, and then enters the tourniquet cavity 21 through the air guide cavity 15, the air guide head 16 and the air inlet channel 22 in sequence, so that the tourniquet body 2 is inflated, thereby the wound of the injured person can be compressed and hemostasia. After the inflating assembly 1 is torn off through the tearable line 3, the loop surface 27 and the hook surface 26 are bonded to each other, so that the tourniquet body 2 can be wrapped around the injured limb.

[0043] When the gas needs to be discharged, the exhaust valve 4 is removed from the exhaust port 24, so that the tourniquet cavity 21 is communicated with the outside, thereby the gas in the tourniquet cavity 21 flows to the outside, so as to realize the exhaust function, which is convenient and fast, and can also be used by the injured person for self-help.

[0044] Many other changes and modifications can be made to the present application without departing from the spirit and scope of the application. It should be understood that the present application is not limited to the specific embodiments, and the scope of the present application is defined by the appended claims.

Claims

1. An emergency airbag tourniquet comprising a tourniquet main body (2) having a tourniquet airbag chamber (21), the tourniquet main body (2) having a length sufficient to encircle a person's limb, characterized in that, The air bag type tourniquet further comprises an inflation assembly (1) having an inflation bag (13) and an inflation channel in communication with the inflation bag (13) and connected with the tourniquet cavity (21), and when the inflation bag (13) is inflated, the gas in the inflation bag (13) flows to the tourniquet cavity (21) through the inflation channel, so that the tourniquet body (2) can be inflated to compress the wound tissue of the wounded person.

2. The emergency airbag tourniquet of claim 1, wherein, The inflation assembly (1) is formed with an air inlet (17) in communication with the tourniquet cavity (21) and the outside, and the air inlet (17) is provided with an air inlet check valve (6) to limit the backflow of the gas flowing into the inflation bag (13).

3. The emergency airbag tourniquet of claim 1, wherein, The inflation assembly (1) further comprises a shell (11) formed with a receiving cavity (12), and the inflation bag (13) and the inflation channel are arranged in the shell (11).

4. An emergency airbag tourniquet according to claim 3, wherein, The shell (11) is provided with a gas guide head (16) in communication with the inflation channel, and the gas guide head (16) is inserted into the tourniquet body (2) and in communication with the tourniquet cavity (21).

5. A first aid pneumatic tourniquet according to claim 4, wherein, The tourniquet body (2) is formed with an air inlet channel (22) in communication with the tourniquet cavity (21), and the air inlet channel (22) is provided with an air outlet check valve (7) to limit the backflow of the gas flowing into the tourniquet cavity (21).

6. A first aid pneumatic tourniquet according to claim 5, wherein, The air inlet channel (22) is further provided with a soft rubber plug (5) arranged axially on the air inlet channel (22), and the soft rubber plug (5) is inserted and matched with the gas guide head (16).

7. The emergency airbag tourniquet of claim 1, wherein, The tourniquet body (2) is formed with an air outlet (24) in communication with the tourniquet cavity (21), and the air outlet (24) is provided with an air outlet valve (4) to seal the tourniquet cavity (21).

8. The emergency airbag tourniquet of claim 5, wherein, The inflation assembly (1) and the tourniquet body (2) are connected with a tear line (3) extending to the width direction of the tourniquet body (2).

9. A first aid pneumatic tourniquet according to claim 8, wherein, The tear line (3) is formed with a second through hole (31), and the gas guide head (16) penetrates the second through hole (31) and is in communication with the air inlet channel (22).

10. The emergency airbag tourniquet of claim 1, wherein, The front and back surfaces of the tourniquet body (2) are provided with magic tapes adhered to each other.

Images