First-aid device for arterial bleeding of limbs

Abstract

The invention discloses a limb arterial hemorrhage first-aid device, which relates to the technical field of surgical severe case first-aid instruments and comprises a pressurizing strap body and at least one pressurizing expansion unit. The pressurized expansion unit comprises an outer packaging bag, a component A packaging bag and a component B packaging bag; the component A packaging bag and the component B packaging bag are both arranged in the outer packaging bag, and after two components packaged in the component A packaging bag and the component B packaging bag meet each other, a reaction of releasing gas is generated, so that the outer packaging bag expands in the thickness direction; the maximum volume of the outer packaging bag can bear the pressure intensity generated by gas released after the component A and the component B react; and the top surface of the outer packaging bag is fixed on the inner side surface of the pressurizing bridle body. The device is easy and labor-saving to operate, exquisite in structure and smaller in occupied space. The device can be operated by first-aid personnel and can also be operated by a wounded person by himself / herself.

Description

Technical Field

[0001] The invention relates to the technical field of surgical critical care emergency equipment, in particular to an emergency device for limb artery bleeding. Background Art

[0002] The characteristic of arterial bleeding is that the blood is bright red and will spurt out of the wound with the rhythm of the heartbeat. The bleeding speed is fast and the amount is large, which is relatively dangerous.

[0003] In the case of accidents, battlefield injuries, surgical operations, etc., which cause ruptured arteries in the limbs and bleeding, the bleeding can be quickly controlled to buy time for subsequent rescue. For example, at the scene of a car accident, if the injured person's leg aorta ruptures and bleeds, the commonly used hemostatic tool is a rotary tourniquet.

[0004] The method of using a rotary tourniquet is to first wrap the tourniquet around the proximal end of the bleeding part of the limb, generally 5-10 cm away from the wound. After tightening the tourniquet, insert the rotary rod into the buckle sleeve and rotate the rotary rod to gradually tighten the tourniquet until the bleeding stops.

[0005] The use of a rotary tourniquet has a strong tightening force and a fast hemostasis speed. However, it also has the following problems: the operation requires professional training, otherwise it may cause ischemic damage to the limbs. If the tourniquet is used for too long and the pressure is too high, it will cause hypoxia and necrosis of limb tissues. In addition, improper use (such as tying too tightly) will damage nerves, causing limb numbness, sensory and motor dysfunction, etc. Summary of the invention

[0006] The technical problem to be solved by the present invention is to provide a limb artery bleeding first aid device for the above-mentioned technical deficiencies, which is simple to operate, labor-saving, and has a sophisticated structure and occupies less space. It can be operated by first aid personnel or by the injured person himself.

[0007] The present invention provides an emergency device for limb arterial bleeding, comprising:

[0008] A compression belt body, wherein the compression belt body is provided with a connecting mechanism, wherein the connecting mechanism is used to wrap the compression belt body around the patient's limb;

[0009] At least one pressurized expansion unit; the pressurized expansion unit comprises an outer packaging package, an A component packaging package, and a B component packaging package; the A component packaging package and the B component packaging package are both arranged in the outer packaging package, and the two are stacked in the thickness direction of the outer packaging package; the two components encapsulated in the A component packaging package and the B component packaging package meet and react to release gas, so that the outer packaging package expands in the thickness direction; the maximum volume of the outer packaging package can withstand the pressure generated by the gas released after the reaction between the A component and the B component; the outer packaging package is vacuumed to compress and seal the A component packaging package and the B component packaging package;

[0010] The top surface of the outer packaging package is fixed on the inner side surface of the pressurizing belt body.

[0011] To further optimize the technical solution, a one-way diaphragm is provided on the inner wall of the top surface of an outer packaging package of an emergency device for limb arterial bleeding: one end of the one-way diaphragm in the length direction is fitted and fixed to the inner wall of the top surface of the outer packaging package; a puncture mark is provided in the area corresponding to the outer wall of the top surface of the outer packaging package and the free end of the one-way diaphragm; a through hole is provided at a position of the pressurized belt body corresponding to the puncture mark; and the number of the pressurized expansion units is at least three.

[0012] To further optimize the technical solution, the side surface of the outer packaging package of a limb artery bleeding emergency device has a retractable corrugated structure in the thickness direction.

[0013] To further optimize the technical solution, the component A encapsulated in the component A packaging package of a limb artery bleeding first aid device is sodium bicarbonate powder; and the component B encapsulated in the component B packaging package is acetic acid.

[0014] To further optimize the technical solution, a connecting mechanism of a limb artery bleeding emergency device is a sticky chain.

[0015] To further optimize the technical solution, a puncture needle rod is connected to the main body of a pressure band of a limb arterial bleeding emergency device via an elastic band; the puncture needle rod is used to pass through the through hole and the puncture mark area on the top surface of the outer packaging package, and puncture the A component packaging package and the B component packaging package.

[0016] To further optimize the technical solution, a time marking area is provided on the outer side of a compression band body of a limb artery bleeding emergency device; the time marking area is used to fill in the bandaging time and the release interval time.

[0017] Different from the existing rotary tourniquet, the present invention no longer uses the method of manually applying tightening force to perform emergency arterial hemostasis, but uses two methods that can produce gas through chemical reactions to tighten the pressurized straps wrapped around the limbs. This process is more labor-saving and faster than manual tightening. And the tensioning force can be regulated by stimulating different numbers of pressurized expansion units. The injured person can complete the operation by rupturing the A component packaging package and the B component packaging package of the outer packaging package with a sharp object. Before the end of use, since the outer packaging package is in a vacuum compression state, it occupies little space, and does not require the torsion bar used in the rotary tourniquet structure, because it is easy to carry and store.

[0018] Other technical effects of the present invention will become clearer as the embodiments are described. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A simplified schematic diagram of the structure of the present invention

[0020] Figure 2 A schematic cross-sectional view of a pressurized expansion unit.

[0021] In the figure, 1. pressurized belt body; 2. pressurized expansion unit; 3. outer packaging package; 4. A component packaging package; 5. B component packaging package; 6. one-way diaphragm; 7. puncture mark; 8. through hole; 9. sticky chain; 10. elastic lace; 11. puncture needle rod; 12. time marking area. DETAILED DESCRIPTION

[0022] like Figure 1 Embodiment shown:

[0023] This embodiment provides an emergency device for limb arterial bleeding, comprising:

[0024] Compression belt body 1, the compression belt body 1 is provided with a connecting mechanism, the connecting mechanism is used to wrap the compression belt body 1 connected to the patient's limb;

[0025] At least one pressurized expansion unit 2; the pressurized expansion unit 2 comprises an outer packaging package 3, an A component packaging package 4, and a B component packaging package 5; the A component packaging package 4 and the B component packaging package 5 are both arranged in the outer packaging package 3, and the two are stacked in the thickness direction of the outer packaging package 3; the two components encapsulated in the A component packaging package 4 and the B component packaging package 5 meet and react to release gas, so that the outer packaging package 3 expands in the thickness direction; the maximum volume of the outer packaging package 3 can withstand the pressure generated by the release of gas after the reaction between the A component and the B component; the outer packaging package 3 is evacuated to compress and seal the A component packaging package 4 and the B component packaging package 5;

[0026] The top surface of the outer packaging bag 3 is fixed on the inner side surface of the pressurizing belt body 1 .

[0027] In this embodiment, when the present invention is used, the compression band body 1 is firstly wrapped around the limb that needs to stop bleeding, and then a sharp object is used to press the outer packaging package 3 through the compression band body 1, so that the outer packaging package 3 is locally subjected to a large pressure, and the internal A component packaging package 4 and B component packaging package 5 are ruptured, and the A component and the B component are mixed and react chemically, releasing gas, so that the outer packaging package 3 expands in the thickness direction, and the compression band body 1 is tightened. If the tensioning force is not enough to stop bleeding in the artery, another pressurization expansion unit 2 can be selected to repeat the operation.

[0028] Component A and component B should be made of chemical ingredients that are not corrosive to the human body, such as sodium carbonate, sodium bicarbonate and acetic acid; ammonium chloride and calcium hydroxide. In this way, even if the outer packaging bag 3 is broken, it will not cause damage to the skin. The outer packaging bag 3 should be made of a pressure-resistant and airtight flexible material, such as long-chain HDPE.

[0029] In addition, the chemical components selected for components A and B should absorb heat rather than release heat during the reaction, so as not to burn the skin. Absorbing heat can also help stop bleeding.

[0030] To further optimize the present embodiment, a one-way diaphragm 6 is provided on the inner wall of the top surface of an outer packaging package 3 of an emergency device for limb arterial bleeding: one end of the one-way diaphragm 6 in the length direction is fixed to the inner wall of the top surface of the outer packaging package 3; a puncture mark 7 is provided in the area corresponding to the outer wall of the top surface of the outer packaging package 3 and the free end of the one-way diaphragm 6; a through hole 8 is provided at a position of the pressurized band body 1 corresponding to the puncture mark 7; and the number of the pressurized expansion units 2 is at least three.

[0031] Compression hemostasis, the pressurized band body 1 must be loosened within an hour to prevent limb ischemia and necrosis. In this embodiment, the pressurized band body 1 can be loosened by puncturing the outer packaging bag 3. The through hole 8 and the puncture mark 7 are provided to improve the accuracy of the puncture. In order to prevent the leakage of the reaction solid or liquid in the punctured outer packaging bag 3 during the secondary pressurization, a one-way diaphragm 6 is provided. After the puncture object is penetrated and the exhaust is completed, the puncture object is withdrawn, and the one-way diaphragm 6 will seal the puncture. Secondary pressurization does not mean inflating and pressurizing the outer packaging bag 3 that has stimulated the chemical reaction, but stimulating the other outer packaging bag 3 that is not activated. The number of pressurized expansion units 2 is at least three, two of which are sufficient for tensioning the initial bandage, and the other one is for standby secondary pressurization. The outer packaging bag 3 and the pressurized band body 1 can be connected in the form of adhesive bonding, and the outer packaging bag 3 can be stored and carried independently, and pasted on the pressurized band body 1 according to different needs.

[0032] To further optimize the present embodiment, the side surface of the outer packaging package 3 of a limb artery bleeding emergency device is a retractable corrugated structure in the thickness direction.

[0033] The outer packaging bag 3 expands in the thickness direction to generate effective tension on the pressure belt body 1. The corrugated structure is more conducive to shrinkage and integration during vacuuming, and the lateral friction between the outer packaging bag 3 and the pressure belt body 1 is smaller during expansion.

[0034] Further optimizing this embodiment, the A component packaged in the A component package 4 of a limb artery bleeding first aid device is sodium bicarbonate powder; the B component packaged in the B component package 5 is acetic acid. The reaction of these two components will quickly produce carbon dioxide and absorb heat. The final reactant produced is harmless to the human body.

[0035] To further optimize this embodiment, a connection mechanism of a limb artery bleeding emergency device is a sticky chain 9. The sticky chain structure is thin and easy to use, has a relatively firm transverse fixation, and can be infinitely adjusted in winding diameter.

[0036] To further optimize this embodiment, a puncture needle rod 11 is connected to a pressure band body 1 of a limb arterial bleeding emergency device via an elastic band 10; the puncture needle rod 11 is used to pass through the through hole 8 and the puncture mark 7 area on the top surface of the outer packaging package 3, and puncture the A component packaging package 4 and the B component packaging package 5.

[0037] A puncture needle rod 11 is connected to the compression band body 1, which is convenient for the injured or rescuers to use.

[0038] To further optimize the present embodiment, a time marking area 12 is provided on the outer side of a compression band body 1 of a first aid device for limb arterial bleeding; the time marking area 12 is used to fill in the bandaging time and the release interval time.

[0039] When the first tightening and loosening, should be recorded in the time mark area 12, in order to remind the emergency personnel of the time. The time mark area 12 can be formed by a waterproof paper material pasted on the compression belt body 1.

[0040] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0041] In addition, the descriptions of "first", "second", etc. in the present invention are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

Claims

1. An emergency device for limb arterial bleeding, characterized in that: include: A compression belt body, wherein the compression belt body is provided with a connecting mechanism, wherein the connecting mechanism is used to wrap the compression belt body around the patient's limb; At least one pressurized expansion unit; the pressurized expansion unit comprises an outer packaging package, an A component packaging package, and a B component packaging package; the A component packaging package and the B component packaging package are both arranged in the outer packaging package, and the two are stacked in the thickness direction of the outer packaging package; the two components encapsulated in the A component packaging package and the B component packaging package meet and react to release gas, so that the outer packaging package expands in the thickness direction; the maximum volume of the outer packaging package can withstand the pressure generated by the gas released after the reaction between the A component and the B component; the outer packaging package is vacuumed to compress and seal the A component packaging package and the B component packaging package; The top surface of the outer packaging package is fixed on the inner side surface of the pressurizing belt body.

2. The first aid device for limb arterial bleeding according to claim 1, characterized in that : A one-way diaphragm is provided on the inner wall of the top surface of the outer packaging package: one end of the one-way diaphragm in the length direction is fixed to the inner wall of the top surface of the outer packaging package; a puncture mark is provided on the outer wall of the top surface of the outer packaging package and in the area corresponding to the free end of the one-way diaphragm; a through hole is provided at a position corresponding to the puncture mark on the pressurizing belt body; and the number of the pressurizing expansion units is at least three.

3. The first aid device for limb arterial bleeding according to claim 2, characterized in that: The side surface of the outer packaging bag is in a retractable corrugated structure in the thickness direction.

4. The first aid device for limb arterial bleeding according to claim 1, characterized in that : The component A encapsulated in the component A encapsulation package is sodium bicarbonate powder; the component B encapsulated in the component B encapsulation package is acetic acid.

5. The first aid device for limb arterial bleeding according to claim 1, characterized in that :The connecting mechanism is a sticky chain.

6. The first aid device for limb arterial bleeding according to claim 2, characterized in that The pressurized belt body is connected to a puncture needle rod via an elastic band; the puncture needle rod is used to pass through the through hole and the puncture mark area on the top surface of the outer packaging package, and puncture the A component packaging package and the B component packaging package.

7. According to the first aid device for limb arterial bleeding as described in claim 1, a time marking area is provided on the outer side of the compression band body; the time marking area is used to fill in the bandaging time and the release interval time.

Images