Electro-pneumatic portable wound flushing device

Abstract

The invention relates to an electro-pneumatic portable wound irrigating device which comprises a machine body provided with a handle and an extension part arranged at the top end of the handle, and the extension part extends in the injection direction of irrigating liquid; the atomization flushing assembly is detachably mounted at the front end of the extension part; the atomizing and flushing assembly is provided with an atomizing nozzle and a flushing fluid tank which are of an integrated structure, flushing fluid is contained in the flushing fluid tank in advance, and the atomizing nozzle is communicated with the flushing fluid tank; the air source assembly is arranged on the handle and is configured to supply high-speed airflow to the atomizing nozzle; the air source assembly is provided with an air channel and a power source, an air inlet of the air channel is located in a shell of the handle, and an air outlet of the air channel is located in the front end face of the extending part and can be communicated with the air inlet end of the atomizing nozzle; the power source is configured to provide electrical energy required to generate a high velocity airflow. The device is simple in structure, convenient to carry and easy to operate, and wound treatment is more convenient and faster.

Description

Technical Field

[0001] The present application belongs to the field of medical device technology, and specifically relates to an electric-pneumatic portable wound flushing device. Background Art

[0002] Flushing of surgical trauma, especially animal-induced wounds, is very important for reducing the risk of infection, including the occurrence of pathogenic microorganisms such as tetanus and rabies. Wound flushing equipment is a medical tool specially designed for cleaning and disinfecting trauma, especially wounds caused by animal bites or scratches. Studies have shown that professional flushing equipment performs well in trauma treatment and care. Compared with the most traditional saline or soap flushing, it can block the infection path of pathogenic microorganisms in the early stage of the wound, clean the affected area, greatly reduce the probability of rabies infection, and relieve the patient's pain. At the same time, it can effectively promote the healing of the wound at the affected area. Especially for special populations such as children, this method can reduce the psychological fear of dressing changes in the later stage and reduce pain.

[0003] The correct flushing method plays an important role in reducing the risk of infection in animal-injured wounds. Factors such as flushing pressure, type of flushing fluid, flushing water flow direction, flushing time (liquid dosage) will affect the effect of wound flushing. Currently, there is a type of wound flushing equipment for animal injuries on the market that uses high-pressure water flow technology to clean wounds and remove bacteria and dirt.

[0004] However, the existing wound flushing equipment of this type is not only complicated to operate and occupies a large area, but also requires a special environment and is equipped with water supply and drainage, resulting in a large amount of water consumption. This requires that the equipment be used in specific places such as hospitals and cannot be moved to other places for use. The wound is often not flushed in the first place, delaying the flushing time. Moreover, the nozzles of the existing wound flushing equipment are reused and cannot reach the sterilization level, posing a risk of cross infection. In addition, the drying of the disinfectant solute and scale can easily cause nozzle clogging. Summary of the invention

[0005] In view of the above analysis, an embodiment of the present invention aims to provide an electric-pneumatic portable wound irrigation device to solve one or more of the above problems existing in the prior art.

[0006] The object of the present invention is achieved in that:

[0007] An electric-pneumatic portable wound irrigation device, comprising:

[0008] A body having a handle and an extension portion provided at the top of the handle, wherein the extension portion extends in a spraying direction of the flushing liquid;

[0009] an atomizing flushing assembly, which is detachably mounted on the front end of the extension portion; the atomizing flushing assembly comprises an atomizing nozzle and a flushing liquid tank of an integrated structure, the flushing liquid tank is pre-filled with flushing liquid, and the atomizing nozzle is in communication with the flushing liquid tank;

[0010] An air source assembly is disposed on the handle and is configured to supply a high-speed airflow to the atomizing nozzle so that the aerosol pressure generated by the atomizing nozzle is at least 5PSI; the air source assembly has an air circuit and a power source, the air inlet of the air circuit is located on the outer shell of the handle, the air outlet of the air circuit is located on the front end surface of the extension part, and can be connected to the air inlet end of the atomizing nozzle; the power source is configured to provide the electrical energy required to generate the high-speed airflow.

[0011] Furthermore, the body of the flushing liquid tank is made of flexible material.

[0012] Furthermore, it also includes an air circuit connection mechanism, which is arranged at the front end of the extension part and is configured to connect the air outlet of the air circuit with the air inlet end of the atomizing nozzle after the atomizing flushing assembly is assembled with the extension part.

[0013] Furthermore, a filter is provided at the air inlet of the air circuit, and the filter is detachably mounted on the outer shell of the handle.

[0014] Furthermore, the filter has a nano-filament structure formed by electrostatic spinning technology.

[0015] Further, a micro compressor and a constant pressure controller are provided on the gas circuit, and the micro compressor is configured to compress the air entering the gas circuit to provide high-pressure gas;

[0016] The constant pressure controller is configured to adjust and control the pressure and flow rate of the gas in the gas circuit to be within a stable range.

[0017] Furthermore, the power supply is powered by a power cord; or, the power supply is powered by a battery, and the battery is a lithium battery that can be detachably installed in the handle.

[0018] Furthermore, a transfer tube is provided on the outer shell of the handle, one end of the transfer tube is connected to the air inlet of the air circuit, and the other end of the transfer tube is detachable and connected to a nitrogen source or an oxygen source.

[0019] Furthermore, a heating element is provided on the atomizing flushing assembly, and the heating element is configured to heat the flushing liquid in the flushing liquid chamber, and the heating element is powered by the power supply.

[0020] Furthermore, a lighting lamp is provided at the top of the front end of the extension portion, and the light emission direction of the lighting lamp is the same as the spraying direction of the atomizing nozzle.

[0021] Furthermore, the capacity of the flushing liquid tank is 150-300 ml.

[0022] Furthermore, the atomizing nozzle is horizontally arranged below the flushing liquid tank, and the air inlet end of the atomizing nozzle is connected to the air outlet of the air circuit through a horizontally arranged air passage.

[0023] Furthermore, along the flow direction of the fluid, the atomizing nozzle includes a primary atomizing section and a secondary atomizing section which are arranged continuously, and the primary atomizing section is connected to the flushing liquid tank through a liquid supply channel;

[0024] The flushing droplets and high-speed gas complete the primary atomization in the first atomization chamber of the primary atomization section, and the diameter of the aerosol after the primary atomization is 100 microns;

[0025] The aerosol after the initial atomization completes secondary atomization in the second atomization chamber of the secondary atomization section, and the diameter of the aerosol after the secondary atomization is 10-30 microns.

[0026] Furthermore, along the flow direction of the fluid, the secondary atomization section includes a contraction section, a throat vortex section and an expansion section. The inner cavity of the contraction section is set to have a reduced diameter, and the inner cavity of the expansion section is set to have an expanded diameter. The inner wall of the throat vortex section is provided with at least one protrusion, and the protrusion divides the second atomization chamber of the throat vortex section into a plurality of mutually connected monomer cavities.

[0027] Furthermore, the side of the protrusion facing the direction of the fluid is an arc-shaped surface, and the arc-shaped surface can guide the fluid in the single cavity to enter the next single cavity along the arc-shaped surface in the form of a reduced diameter.

[0028] Furthermore, the inlet of the monomer cavity at the head end is the outlet of the contraction section, the outlet of the monomer cavity at the tail end is the inlet of the expansion section, and the inlet of the adjacent downstream monomer cavity is the outlet of the adjacent upstream monomer cavity; and, along the fluid flow direction, the inlet sizes of multiple monomer cavities increase successively.

[0029] Furthermore, along the flow direction of the fluid, the inlet sizes of the plurality of monomer cavities increase by 10%-12% in sequence.

[0030] Furthermore, the atomizing nozzle is made of metal material.

[0031] Compared with the prior art, the present invention can achieve at least one of the following beneficial effects:

[0032] a) The electric-pneumatic portable wound flushing device provided by the present invention has a simple structure, is easy to carry, and is easy to operate. It simplifies the operating process, making wound treatment more convenient and quicker, and can be flexibly applied to a variety of scenarios, especially in the wild or when medical resources are limited or in different departments of a hospital. It can provide immediate wound treatment, improve work efficiency, and reduce manpower and time costs.

[0033] b) The electric-pneumatic portable wound irrigation device provided by the present invention integrates the atomizing nozzle and the irrigation liquid tank into an atomizing irrigation component with an integral structure, and the atomizing irrigation component and the body are detachably connected, so that the atomizing irrigation component can be easily replaced to avoid the risk of cross contamination, and the disinfectant solute can be prevented from drying up and scale from easily causing clogging of the nozzle.

[0034] c) The electric-pneumatic portable wound flushing device provided by the present invention adopts a two-stage atomizing nozzle to improve the atomization effect. The atomizing nozzle includes a primary atomizing section and a secondary atomizing section which are arranged in succession. The secondary atomizing section includes a contraction section, a throat vortex section and an expansion section which are arranged in sequence. Finally, an atomizing effect with a diameter of 10-30 microns and a pressure of 5-18PSI is formed with static electricity. The flushing effect on animal-caused wounds is better, and the wounds can be effectively cleaned and wound infections can be reduced, thereby reducing the health risks caused by animal-caused wounds.

[0035] d) The electric-pneumatic portable wound flushing device provided by the present invention has a flushing liquid tank body made of flexible material. During the liquid supply process, continuous liquid supply can be achieved without connecting to the outside atmosphere, and no air backfill is required to prevent secondary contamination. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] In order to more clearly illustrate the embodiments of this specification or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the embodiments of this specification. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0037] Figure 1 A schematic diagram of the structure of the electric-pneumatic portable wound flushing device provided by the present invention;

[0038] Figure 2 A schematic diagram of the disassembled state of the atomizing flushing assembly and the body provided by the present invention;

[0039] Figure 3 A schematic diagram of the structure of the atomizing nozzle provided by the present invention;

[0040] Figure 4 The present invention provides a partial structure of the atomizing nozzle.

[0041] Reference numerals:

[0042] 100, body; 200, atomizing flushing assembly; 300, air source assembly;

[0043] 1. Handle; 2. Micro compressor; 3. Filter; 4. Battery; 5. Switch relay; 6. Trigger switch; 7. Trigger lock; 8. Main control circuit board; 9. LCD screen; 10. Pressure adjustment knob; 11. Temperature adjustment knob; 12. Air circuit connection mechanism; 13. Flushing liquid tank; 14. Power contact; 15. Atomizing nozzle; 16. Illuminating lamp; 17. Power control board; 18. Constant pressure controller; 19. Extension; 20. Primary atomization section; 21. Secondary atomization section; 22. Contraction section; 23. Throat vortex section; 24. Expansion section; 25. Protrusion; 26. First single cavity; 27. Second single cavity; 28. Third single cavity; 29. ​​Airway; 30. Liquid supply channel; 31. Air circuit. DETAILED DESCRIPTION

[0044] In order 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 in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments. It should be noted that, in the absence of conflict, the embodiments in the present disclosure and the features in the embodiments can be combined, separated, interchanged and / or rearranged with each other. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0045] In the accompanying drawings, the size and relative size of components may be exaggerated for clarity and / or descriptive purposes. When the exemplary embodiments may be implemented differently, a specific process sequence may be performed in a different order than described. For example, two successively described processes may be performed substantially simultaneously or in an order opposite to the order described. In addition, the same reference numerals represent the same components.

[0046] The terms used here are for the purpose of describing specific embodiments, and are not intended to be restrictive. As used here, unless the context clearly indicates otherwise, the singular forms "one (kind, person)" and "said (the)" are also intended to include plural forms. In addition, when the terms "comprise" and / or "include" and their variations are used in this specification, it is explained that there are stated features, integral bodies, steps, operations, parts, assemblies and / or their groups, but it is not excluded that there are or add one or more other features, integral bodies, steps, operations, parts, assemblies and / or their groups. It should also be noted that, as used here, the terms "substantially", "approximately" and other similar terms are used as approximate terms and not as degree terms, so that they are used to explain the inherent deviations of the measured values, calculated values ​​and / or the values ​​provided that will be recognized by those of ordinary skill in the art.

[0047] Example 1

[0048] A specific embodiment of the present invention, as Figure 1 to Figure 2 As shown, an electric-pneumatic portable wound irrigation device is disclosed, comprising:

[0049] The body 100 has a handle 1 and an extension portion 19 disposed at the top of the handle 1, wherein the extension portion 19 extends in the spraying direction of the flushing liquid;

[0050] The atomizing flushing assembly 200 is detachably mounted on the front end of the extension portion 19; the atomizing flushing assembly 200 comprises an atomizing nozzle 15 and a flushing liquid tank 13 of an integrated structure, the flushing liquid tank 13 is pre-filled with flushing liquid, and the atomizing nozzle 15 is in communication with the flushing liquid tank 13;

[0051] The air source assembly 300, serving as the main power source for the spray, is disposed on the handle 1 and is configured to supply a high-speed airflow to the atomizing nozzle 15, so that the aerosol pressure generated by the atomizing nozzle 15 is at least 5PSI; the air source assembly 300 has an air circuit 31 and a power source, the air inlet of the air circuit 31 is located on the outer shell of the handle 1, and the air outlet of the air circuit 31 is located on the front end surface of the extension portion 19 and can be connected to the air inlet end of the atomizing nozzle 15; the power source is configured to provide the electrical energy required to generate the high-speed airflow.

[0052] It should be noted that the high-speed airflow in this embodiment has the pressure and flow rate required for the atomizing nozzle 15 to generate aerosol, and the aerosol pressure that can be finally generated is at least 5 PSI.

[0053] In this embodiment, the atomizing flushing assembly 200 is composed of an atomizing nozzle and a flushing liquid tank 13, which is a disposable consumable part. The atomizing flushing assembly 200 and the extension portion 19 of the fuselage 100 are detachably connected, which is convenient for realizing the rapid replacement of the atomizing flushing assembly 200. Various forms of detachable connection structures can be adopted, such as snap, spiral, plug-in, etc., as long as the sealing of the pipeline at the connection can be ensured after the connection. Optionally, the atomizing flushing assembly 200 is connected to the extension portion 19 by a snap locking structure, which can realize the rapid disassembly and assembly of the atomizing flushing assembly 200.

[0054] Furthermore, the electric-pneumatic portable wound irrigation device further includes an air circuit connection mechanism 12, which is disposed at the front end of the extension portion 19 and is configured to connect the air outlet of the air circuit 31 with the air inlet end of the atomizing nozzle 15 after the atomizing irrigation assembly 200 is assembled with the extension portion 19. Exemplarily, the air circuit connection mechanism includes a rotation locking structure and a spring button, the rotation locking structure has a locking state and a free state, and the rotation locking structure is switched between the locking state and the free state by the spring button, thereby realizing quick disassembly and assembly. When it is necessary to remove the atomizing flushing component 200, press the spring button to release the locking state of the rotating locking structure, so that the rotating locking structure changes to a free state, and the atomizing flushing component 200 can be removed by twisting it; when installing a new atomizing flushing component 200, align it with the front end of the extension part of the fuselage 100, and twist the atomizing flushing component 200 in the opposite direction to directly complete the installation of the atomizing flushing component 200 and the extension part of the fuselage 100. At this time, the spring button is reset, so that the rotating locking structure is in a locked state.

[0055] In this embodiment, the atomizing nozzle 15 is horizontally arranged below the flushing liquid chamber 13 , and the air inlet end of the atomizing nozzle 15 is connected to the air outlet of the air path 31 through a horizontally arranged air passage 29 .

[0056] In this embodiment, the atomizing nozzle 15 is a two-stage atomizing nozzle, which uses two atomizations to improve the atomization effect. Specifically, along the flow direction of the fluid, the atomizing nozzle 15 includes a primary atomizing section 20 and a secondary atomizing section 21 which are arranged continuously. The primary atomizing section 20 is connected to the flushing liquid tank 13 through a liquid supply channel 30. The primary atomizing section 20 fully mixes the flushing droplets with the high-speed gas in the first atomizing chamber of the primary atomizing section 20 through the siphon effect and the capillary effect. The diameter of the aerosol after the primary atomization is about 100 microns. The aerosol after the primary atomization enters the second atomizing chamber of the secondary atomizing section 21. The secondary atomizing section 21 uses the Venturi principle to perform secondary atomization on the aerosol after the primary atomization. The diameter of the aerosol after the secondary atomization is 10-30 microns.

[0057] Further, see Figure 3 to Figure 4 Along the flow direction of the fluid, the secondary atomization section 21 includes a contraction section 22, a throat vortex section 23 and an expansion section 24 which are arranged in sequence. The inner cavity of the contraction section 22 is arranged to be reduced in diameter along the flow direction of the fluid, and the inner cavity of the expansion section 24 is arranged to be expanded in diameter along the flow direction of the fluid. The inner wall of the throat vortex section 23 is provided with at least one protrusion 25, and the protrusion 25 divides the second atomization chamber of the throat vortex section 23 into a plurality of interconnected monomer cavities. The function of the monomer cavity is to allow the droplets to fully collide for a second time after the vortex is generated, so as to produce finer droplets driven by the high-speed airflow.

[0058] Among them, the side of the protrusion 25 facing the direction of the fluid is an arc-shaped surface, and the arc-shaped surface can guide the fluid in the single cavity along the arc-shaped surface into the next monomer cavity in the form of a reduced diameter. In other words, the second atomization chamber includes a plurality of monomer cavities, and each monomer cavity includes a regular cylindrical surface and a reduced diameter arc-shaped surface. By arranging a protrusion 25 with an arc-shaped surface in the throat vortex section 23, the high-speed aerosol forms a vortex in the throat vortex section 23, and the droplets collide with each other to further refine the droplets, completing the secondary atomization. By setting the throat vortex section 23 as a plurality of monomer structures, the stability of the terminal aerosol particle size distribution can be better guaranteed.

[0059] The multiple monomer cavities are coaxially arranged along the fluid direction and are connected in sequence. The inlet of the monomer cavity at the head end is the outlet of the contraction section 22, the outlet of the monomer cavity at the tail end is the inlet of the expansion section 24, the inlet of the adjacent downstream monomer cavity is the outlet of the adjacent upstream monomer cavity, and the inlet sizes of the multiple monomer cavities increase in sequence along the fluid flow direction. For example, see Figure 4 , the second atomization chamber includes three coaxial and sequentially connected monomer cavities, the first single cavity has a first inlet and a first outlet, the second single cavity 27 has a second inlet and a second outlet, and the third single cavity 28 has a third inlet and a third outlet; the first inlet is the outlet of the contraction section 22, the first outlet is the second inlet, the second outlet is the third inlet, and the third outlet is the inlet of the expansion section 24. Among them, the diameter of the first inlet is R1, the diameter of the second inlet is R2, and the diameter of the third inlet is R3, R1<R2<R3; further, R1, R2, and R3 increase by 10%-12% in sequence. Further, the inlet diameter of the expansion section 24 is R4, R3≤R4≤1.05R3. The aerosol nozzle of the above structure can make the droplet diameter at the outlet of the expansion section 24 distributed between 10-30 microns, the aerosol pressure is 5-18PSI, and the atomization effect is better, thereby improving the flushing effect on the wound.

[0060] Furthermore, the atomizing nozzle is a metal nozzle made of metal material. The terminal aerosol causes electron transfer due to the friction between the high-speed airflow and the metal nozzle, and the droplets are fully charged with static electricity, which can ensure that the droplets do not collide or combine during the flight; at the same time, it can bypass the complex wound surface and finally be adsorbed on the wound surface through electrostatic attraction, fully infiltrating every corner of the wound and improving the cleaning effect. Furthermore, the handle 1 is provided with a grounding to prevent static electricity accumulation caused by high-speed airflow.

[0061] The existing flushing equipment uses a flushing liquid tank with a hard shell structure, which needs to be backfilled with air, otherwise it will not be able to continuously supply liquid. However, there is a risk of secondary pollution when air is backfilled. Therefore, in this embodiment, the body of the flushing liquid tank 13 is made of a flexible material, and the capacity of the flushing liquid tank 13 can be set according to actual needs. Optionally, the capacity of the flushing liquid tank 13 is 150-300 ml. During the liquid supply process, as the flushing liquid in the tank body continues to decrease, the tank body can deform adaptively, thereby achieving continuous liquid supply without connecting to the outside atmosphere, and no air backfill is required to prevent secondary pollution.

[0062] In one optional embodiment, the flushing liquid tank 13 also has a constant temperature function, and the flushing liquid in the flushing liquid tank 13 can be kept at a constant temperature. Exemplarily, the atomizing flushing assembly 200 is also provided with a heating element, which is configured to heat the flushing liquid in the flushing liquid tank 13, and the heating element is powered by the power supply.

[0063] In one of the optional embodiments, the front end of the extension portion 19 and the rear end of the atomizing flushing assembly 200 are both provided with power contacts 14 arranged in pairs; when the extension portion 19 and the atomizing flushing assembly 200 are installed in place, the power contacts 14 connect the power supply circuit.

[0064] In this embodiment, the air inlet of the air path 31 is provided with a filter 3, and the filter 3 is detachably mounted on the housing of the handle 1. Optionally, the filter 3 adopts a nano-filament structure formed by electrospinning technology, and the matrix material is a polyester material, combined with Mof piezoelectric material Fe-Co-Ni, to release reactive oxygen free radicals ROS when air passes through, on the one hand, increasing the contact area, reducing wind resistance, and improving the filtration efficiency, and on the other hand, ROS can effectively kill microorganisms contained in the intake air and increase the service life of the filter.

[0065] In this embodiment, the power source is powered by a power cord; or, the power source is powered by a battery 4. Preferably, the power source is powered by a battery, for example, the battery 4 is a lithium battery, and the lithium battery is detachably installed in the handle 1.

[0066] In this embodiment, the electric-pneumatic portable wound irrigation device has the functions of pressure regulation, temperature regulation, and flow rate regulation, is suitable for cleaning different wounds, and is equipped with a display screen to display parameters such as power, flow rate, air pressure, and temperature in real time. Specifically, the gas circuit 31 is provided with a micro compressor 2 and a constant pressure controller 18, and the micro compressor 2 is configured to compress the air entering the gas circuit 31 to provide high-pressure gas; the constant pressure controller 18 is configured to regulate and control the pressure and flow rate of the gas in the gas circuit 31 to be within a stable range. The handle 1 is provided with a temperature adjustment knob 11, a pressure adjustment knob 10, and a liquid crystal display screen 9.

[0067] In this embodiment, the air source assembly 300 serves as the main power source for the spray, and provides compressed air or other stable pressurized gas, including compressed air, compressed nitrogen, oxygen, etc. Specifically, a transfer tube may be provided on the outer shell of the handle 1, and the transfer tube serves as an interface for transferring the gas source, and may also directly serve as an air inlet. Exemplarily, one end of the transfer tube is connected to the air inlet of the gas circuit 31, and the other end of the transfer tube is disassembled and connected to a nitrogen source or an oxygen source.

[0068] In this embodiment, the body 100 is further provided with a main control circuit board 8 and a power control board 17. The main control circuit board 8 is configured to control the operation of the electric-pneumatic portable wound irrigation device. The power control board 17 is configured to achieve stable regulation of the power output voltage and current by monitoring the power input voltage and current.

[0069] In this embodiment, the handle 1 is further provided with a trigger switch 6, and the trigger switch 6 is also equipped with a switch relay 5 and a trigger lock 7. The trigger lock 7 serves as a switch safety device to prevent accidental touch.

[0070] In this embodiment, a lighting lamp 16 is provided at the top of the front end of the extension portion 19. The light emission direction of the lighting lamp 16 is the same as the spray direction of the atomizing nozzle 15, so as to facilitate observation of the spraying condition.

[0071] In one of the optional embodiments, the housing of the body 100 and the shell of the atomizing flushing assembly 200 are both made of plastic with an antibacterial coating function to ensure safety in a medical environment.

[0072] Compared with the prior art, the electric-pneumatic portable wound irrigation device provided in this embodiment has the following beneficial effects:

[0073] 1. Simple structure, small size, easy to carry, easy to operate, simplified operation process, making wound treatment more convenient and quick, and can be flexibly applied to a variety of scenarios, especially in the wild or with limited medical resources or in different departments of the hospital, to provide immediate wound treatment. The portable and easy-to-operate structural design of this application can save medical staff time, allowing them to handle more emergencies within the same working hours, thereby improving the efficiency of overall medical services and potentially reducing labor costs.

[0074] 2. The atomizing nozzle and the flushing liquid tank are integrated into an atomizing flushing component with an integrated structure, and the atomizing flushing component and the fuselage are detachably connected, so that the atomizing flushing component can be easily replaced to avoid the risk of cross contamination. In addition, the drying of the disinfectant solute and scale can be avoided to prevent the nozzle from being blocked.

[0075] 3. A two-stage atomizing nozzle is used to improve the atomization effect. The atomizing nozzle includes a primary atomizing section and a secondary atomizing section which are arranged continuously. The secondary atomizing section includes a contraction section, a throat vortex section and an expansion section which are arranged in sequence. Finally, an atomizing effect with a diameter of 10-30 microns and a pressure of 5-18PSI is formed with static electricity. It has a better flushing effect on animal wounds, can effectively clean the wounds and reduce wound infections, and reduce the health risks caused by animal injuries.

[0076] 4. The body of the flushing liquid tank is made of flexible material. During the liquid supply process, continuous liquid supply can be achieved without connecting to the outside atmosphere, and no air backfill is required to prevent secondary pollution.

[0077] 5. Pneumatic design is adopted, and different air sources can be replaced.

[0078] The specific implementation methods described above further illustrate the purpose, technical solutions and beneficial effects of the present application in detail. It should be understood that the above description is only the specific implementation method of the present application and is not intended to limit the scope of protection of the present application. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application should be included in the scope of protection of the present application.

Claims

1. An electric-pneumatic portable wound irrigation device, characterized in that: include: A body (100) comprises a handle (1) and an extension portion (19) arranged at the top end of the handle (1), wherein the extension portion (19) extends in the spraying direction of the flushing liquid; an atomizing flushing assembly (200) which is detachably mounted on the front end of the extension portion (19); the atomizing flushing assembly (200) comprises an atomizing nozzle (15) and a flushing liquid tank (13) of an integrated structure, the flushing liquid tank (13) being pre-filled with flushing liquid, and the atomizing nozzle (15) being in communication with the flushing liquid tank (13); The air source assembly (300) is arranged on the handle (1) and is configured to supply a high-speed airflow to the atomizing nozzle (15), so that the pressure of the aerosol generated by the atomizing nozzle (15) is at least 5PSI; the air source assembly (300) has an air circuit (31) and a power source, the air inlet of the air circuit (31) is located on the outer shell of the handle (1), and the air outlet of the air circuit (31) is located on the front end surface of the extension part (19) and can be connected to the air inlet end of the atomizing nozzle (15); the power source is configured to provide the electrical energy required to generate the high-speed airflow.

2. The electric-pneumatic portable wound irrigation device according to claim 1, characterized in that: The body of the flushing liquid tank (13) is made of flexible material.

3. The electric-pneumatic portable wound irrigation device according to claim 1, characterized in that: It also includes an air circuit connection mechanism (12), which is arranged at the front end of the extension portion (19) and is configured to connect the air outlet of the air circuit (31) with the air inlet end of the atomizing nozzle (15) after the atomizing flushing assembly (200) and the extension portion (19) are assembled.

4. The electric-pneumatic portable wound irrigation device according to claim 1, characterized in that: The air inlet of the air circuit (31) is provided with a filter (3), and the filter (3) is detachably mounted on the outer shell of the handle (1).

5. The electric-pneumatic portable wound irrigation device according to claim 1, characterized in that: The gas circuit (31) is provided with a micro compressor (2) and a constant pressure controller (18), and the micro compressor (2) is configured to compress the air entering the gas circuit (31) to provide high-pressure gas; The constant pressure controller (18) is configured to adjust and control the pressure and flow rate of the gas in the gas circuit (31) to be within a stable range.

6. The electric-pneumatic portable wound irrigation device according to claim 1, characterized in that: A transfer tube is provided on the outer shell of the handle (1), one end of the transfer tube is in communication with the air inlet of the air circuit (31), and the other end of the transfer tube is detachable and connected to a nitrogen source or an oxygen source.

7. The electric-pneumatic portable wound irrigation device according to claim 1, characterized in that: Along the flow direction of the fluid, the atomizing nozzle (15) comprises a primary atomizing section (20) and a secondary atomizing section (21) which are arranged in series, and the primary atomizing section (20) is connected to the flushing liquid tank (13) through a liquid supply channel (30); The flushing droplets and the high-speed gas complete the primary atomization in the first atomization chamber of the primary atomization section (20), and the diameter of the aerosol after the primary atomization is 100 microns; The aerosol after the initial atomization is subjected to secondary atomization in the second atomization chamber of the secondary atomization section (21), and the diameter of the aerosol after the secondary atomization is 10-30 microns.

8. The electric-pneumatic portable wound irrigation device according to claim 7, characterized in that: Along the flow direction of the fluid, the secondary atomization section (21) comprises a contraction section (22), a throat vortex section (23) and an expansion section (24); the inner cavity of the contraction section (22) is arranged with a reduced diameter, and the inner cavity of the expansion section (24) is arranged with an expanded diameter; the inner wall of the throat vortex section (23) is provided with at least one protrusion (25); the protrusion (25) divides the second atomization chamber of the throat vortex section (23) into a plurality of mutually connected monomer cavities.

9. The electric-pneumatic portable wound irrigation device according to claim 8, characterized in that: The side of the protrusion (25) facing the direction of the fluid is an arc-shaped surface, and the arc-shaped surface can guide the fluid in the single cavity to enter the next single cavity along the arc-shaped surface in the form of a reduced diameter.

10. The electric-pneumatic portable wound irrigation device according to claim 1, characterized in that: The atomizing nozzle (15) is made of metal material.

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