Airway foreign matter removing device suitable for war wound environment

By designing an airway foreign object removal device suitable for combat injury environments, and utilizing an adjustable intubation tube, a filter dust nozzle, and an intelligent suction pump system, rapid and precise airway foreign object removal is achieved at combat injury sites, reducing the risk of suffocation and improving rescue safety and equipment applicability.

CN121549900APending Publication Date: 2026-02-24THE 940TH HOSPITAL OF THE CHINESE PEOPLES LIBERATION ARMY JOINT LOGISTICS SUPPORT FORCE
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Patent Information

Application Number
CN202511622584.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-11-07
Publication Date
2026-02-24

AI Technical Summary

Technical Problem

In combat environments, airway obstruction by foreign objects poses a high risk of suffocation. Existing technologies struggle to quickly and effectively remove airway obstructions in complex environments, and the lack of a stable power supply also affects equipment operation.

Method used

An airway foreign body removal device was designed, comprising an intubation assembly, a dustproof assembly, a suction device, and an intelligent control system. It features an adjustable-length intubation tube, a dustproof nozzle with a filtering function, a miniature camera to identify foreign objects, intelligent suction pump control, and a modular structure, making it suitable for casualties of different body sizes and enabling precise removal and safe rescue.

Benefits of technology

It improves the efficiency and accuracy of airway foreign body removal in combat environments, reduces the risk of infection, enhances the portability and applicability of the device, ensures the safety of the wounded, reduces the time foreign bodies remain in the airway, and extends the life of the equipment.

✦ Generated by Eureka AI based on patent content.

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    Figure 7D46B06E-E0A0-48B3-8AC1-BAA465F23EC2
Patent Text Reader

Abstract

The invention provides an airway foreign matter removing device suitable for a war wound environment, and relates to the field of medical treatment, the airway foreign matter removing device comprises an air mouthpiece, a cannula, a dustproof nozzle, an intelligent screen, a collecting bottle, a side cover, a main shell, a telescopic cannula sleeve, a cannula opening, an intelligent suction pump, an intelligent control box and a battery, one end of the telescopic intubation tube sleeve is provided with a group of circular connecting ports, the bottom of the tube orifice is clamped and connected in the circular connecting port at one end of the telescopic intubation tube sleeve, one end of the intubation tube is provided with a group of circular connecting ports, the tail part of the air mouthpiece is provided with a group of circular connecting shafts, and the tail part of the air mouthpiece is fixedly connected in the circular connecting port at one end of the intubation tube; a group of circular connecting holes are formed in one side of the dust-proof nozzle, the structure is flexibly adjusted to adapt to different wounded persons, foreign matter can be visually and accurately cleared away, modularization and portability are achieved, power dependence is avoided, suction force can be adjusted and controlled, the foreign matter can be stored, the durability of equipment can be protected, and it is guaranteed that war wound airway rescue is safe and efficient.
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Description

Technical Field

[0001] This invention relates to the field of medical technology, and in particular to an airway foreign body removal device suitable for combat injury environments. Background Technology

[0002] In combat environments, the impact of explosions and shrapnel can easily cause foreign objects to obstruct the airways of soldiers' mouths and throats. If not treated promptly, this can lead to suffocation within a short time, directly threatening their lives and impacting combat effectiveness. While current medical technologies exist for airway obstruction removal, combat scenarios present unique challenges, such as complex environments, tight rescue schedules, potential lack of specialized medical equipment, and stable power supplies. Conventional removal methods face certain difficulties when adapted to combat scenarios. To meet the need for rapid and effective airway obstruction removal in combat situations and ensure the safety of injured personnel, there is an urgent need to develop an airway obstruction removal device adapted to combat environments to improve the efficiency and reliability of airway obstruction treatment in combat emergency care. Summary of the Invention

[0003] In view of this, the present invention provides an airway foreign body removal device suitable for combat injury environments, which has an intubation assembly, a dustproof assembly, an suction device, and a collection device. It can ensure that the patient's airway is not blocked and infected again in complex environments, and can quickly and accurately clear the patient's airway; greatly improving the safety during rescue and the protection of the patient.

[0004] This invention provides an airway foreign body removal device suitable for combat injury environments, specifically comprising: an air intake device, a tubing, a dust nozzle, a smart screen, a collection bottle, a side cover, a main housing, a telescopic tubing sleeve, a tube opening, a smart suction pump, a smart control box, and a battery. The tubing is telescopically connected to a telescopic tubing sleeve, and one end of the telescopic tubing sleeve has a set of circular connection ports. The bottom of the tube opening is snapped into the circular connection port at one end of the telescopic tubing sleeve. The air intake device has a set of circular connection ports at its tail, and the tail of the air intake device is securely connected to the circular connection port at one end of the tubing. The dust nozzle has a set of circular connection holes on one side. The dust nozzle has a circular connecting hole on one side that is movably connected to the outside of the telescopic insert sleeve; each side of the main shell has a set of circular holes, and each side of the intelligent suction pump has a set of connecting pipes, with the connecting pipes on both sides of the intelligent suction pump snapped into the circular holes on both sides of the main shell; a suction tube is snapped into the connecting pipe on one side of the intelligent suction pump, and the suction tube is movably connected to the air inlet, insert, and telescopic insert sleeve. A set of circular electrical connectors is provided on one side of the intelligent suction pump, and the circular electrical connectors on one side of the intelligent suction pump are snapped into the battery side; a set of circular connectors is provided on the top of the intelligent control box, and the circular interface at the bottom of the intelligent screen is snapped into the two circular connectors on the top of the intelligent control box.

[0005] Furthermore, the bottom of the dust nozzle is designed with medical-grade soft rubber material, and a filter cap is snapped onto the head of the dust nozzle. The filter cap has a set of annular snap-fit ​​grooves inside, and filter cotton is snapped onto the annular snap-fit ​​grooves inside the filter cap. The filter cotton has precision filter holes inside.

[0006] Furthermore, the straw is made of medical soft tubing material, and one end of the straw is fastened to a connecting ball by a thread. The outer side of the connecting ball is provided with four sets of circular connecting holes, and miniature cameras are snapped into the circular connecting holes on the outer side of the connecting ball. There are four sets of miniature cameras, and the miniature cameras can sense what kind of substance the foreign object inside is.

[0007] Furthermore, the air inlet is provided with a U-shaped interlayer inside, and a wide air inlet is provided at the top of the U-shaped interlayer inside the air inlet. The outer ring of the air inlet and the wide air inlet is provided with rounded corners, and the U-shaped interlayer is located on the upper inner side of the air inlet. A set of threads is provided on the outer side of the connecting shaft at the tail of the air inlet, and the connecting shaft at the tail of the air inlet is fastened to the inside of the insertion tube through the threads.

[0008] Furthermore, one side of the intelligent control box is snapped into the inside of the main shell, and a set of side covers are snapped into each side of the main shell. One side of the side cover is provided with a handle, and a set of square through slots is provided in the middle of the handle. A set of circular through holes is provided at the top of one side of the main shell, and a circular connector at the top of the intelligent control box is snapped into the top of one side of the main shell.

[0009] Furthermore, a set of square grooves is provided at the top center of the main shell, and a set of square locking blocks are provided at the top of the intelligent suction pump. The intelligent suction pump is locked into the square grooves at the top center of the main shell through the top square locking blocks. A set of threads is provided in the circular hole on one side of the intelligent suction pump, and a collection bottle is fastened to the circular hole on one side of the intelligent suction pump through the threads.

[0010] Furthermore, each side of the intelligent suction pump is provided with a set of connecting tubes, and the suction tube and the collection bottle are connected through the intelligent suction pump. The intelligent suction pump has a built-in small intelligent medical suction machine, and the suction is intelligently controlled through an intelligent screen.

[0011] Furthermore, the upper part of the side cover is provided with a set of square slots, and the smart screen is snapped into the square slots on the upper part of the side cover. One side of the bottom of the smart screen is snapped into the smart control box. One side of the smart suction pump is provided with a set of square signal controllers, and the square signal controllers on the smart suction pump side are intelligently connected to the smart control box.

[0012] Compared with the prior art, the present invention has the following beneficial effects: 1. This invention, through the adaptable design of the mouthpiece and intubation tube, and the flexible adjustment of the length of the telescopic intubation tube sleeve, can adapt to the airway structure of wounded soldiers of different body sizes. At the same time, the rounded corner design of the mouthpiece's outer ring avoids scratching the oral mucosa during operation. In addition, the combination of the dust nozzle and filter cap can filter dust and debris in the combat environment, preventing foreign objects from re-entering the airway. In complex combat scenarios, this effectively ensures the cleanliness of the wounded soldier's airway, reduces the risk of infection, and improves rescue safety.

[0013] 2. This invention features a straw with four built-in miniature cameras that can identify the type of foreign object in the airway in real time and report it to a smart screen. Combined with the controllable suction function of the smart pump, rescuers can accurately determine the location and nature of the foreign object through the smart screen, avoiding blind operations that could damage the airway. This visualized and precise removal method significantly improves the efficiency and accuracy of foreign object removal in combat environments, buying valuable time for quickly clearing the airway.

[0014] 3. This invention features a modular design for the main shell and side covers, along with a handle for easy carrying and operation by rescue personnel. The snap-fit ​​structure of the side covers facilitates later maintenance and component replacement. Furthermore, the battery-powered design eliminates reliance on external power sources, making it suitable for scenarios without stable power supply at battlefield casualty sites. The device can be activated anytime, anywhere to conduct rescue operations, enhancing its portability and applicability in battlefield environments.

[0015] 4. This invention, through the linkage between the intelligent control box and the intelligent screen, achieves precise control over the suction force of the intelligent suction pump. It can flexibly adjust the suction force according to the size and location of the foreign object, avoiding both insufficient suction to remove the object and excessive suction that could damage the airway. Furthermore, the collection bottle can quickly collect the removed foreign object, preventing it from scattering and causing secondary environmental pollution, further improving the standardization and practicality of the device's operation.

[0016] 5. This invention features a built-in small intelligent medical suction device in the intelligent suction pump. Combined with the through-type design of the suction tube and collection bottle, it can quickly suction and collect foreign objects from the airway, reducing the time foreign objects remain in the airway. Simultaneously, the precision filter pores of the filter cotton can intercept fine particles from the foreign objects, preventing them from entering the intelligent suction pump and affecting its operation, thus extending the device's lifespan. The overall design balances the protection of the wounded with the durability of the device itself, making it suitable for long-term use in combat environments. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings of the embodiments will be briefly described below.

[0018] The accompanying drawings described below are only related to some embodiments of the invention and are not intended to limit the invention.

[0019] In the attached diagram: Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0020] Figure 2 This is a schematic diagram of the telescopic tube assembly structure of the present invention.

[0021] Figure 3 This is a schematic diagram of the intelligent suction pump assembly structure of the present invention.

[0022] Figure 4 This is a schematic diagram of the structure of the miniature camera assembly and the air vent assembly of the present invention.

[0023] Figure 5 This is a cross-sectional view of the telescopic tube assembly and filter assembly of the present invention.

[0024] Figure 6 This is a schematic cross-sectional view of the intelligent suction pump assembly connection structure of the present invention.

[0025] Figure 7 This is a cross-sectional view of the connection between the intelligent control box assembly and the battery assembly of the present invention.

[0026] Figure 8 This is a cross-sectional view of the connection between the collection bottle assembly and the side cover assembly of the present invention.

[0027] List of reference numerals Air inlet; 101, wide air inlet; Intubation; 201, telescopic intubation sleeve; 202, tube opening; Dust nozzle; Straw; 401, Connecting Ball; 402, Miniature Camera; Smart screen; Collection bottle; Side cover; 701, handle; Main housing; 801, intelligent suction pump; 802, intelligent control box; 803, battery; Filter cap; 901, filter cotton. Detailed Implementation

[0028] To make the objectives, solutions, and advantages of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Unless otherwise stated, the terms used herein have their ordinary meanings in the art. The same reference numerals in the drawings represent the same parts.

[0029] Example 1: Please refer to Figures 1 to 3 As shown: This invention provides an airway foreign body removal device suitable for combat injury environments, comprising an airway medical device 1, an intubation medical device 2, a dust nozzle medical device 3, a smart screen medical device 5, a collection bottle medical device 6, a side cover medical device 7, a main shell medical device 8, a telescopic intubation sleeve medical device 201, a tube opening medical device 202, a smart suction pump medical device 801, a smart control box medical device 802, and a battery medical device 803. The telescopic intubation sleeve medical device 201 is telescopically connected to the outside of the intubation medical device 2, and one end of the telescopic intubation sleeve medical device 201 has a set of circular connection ports. The bottom of the tube opening medical device 202 is snapped onto the telescopic intubation sleeve medical device 201. The medical device 2 has a set of circular connection ports at one end, and the air mouthpiece 1 has a set of circular connection shafts at its tail. The tail of the air mouthpiece 1 is securely connected to the circular connection port at one end of the medical device 2. The dust nozzle 3 has a set of circular connection holes on one side, and these holes are movably connected to the outside of the telescopic cannula sleeve 201. The main shell 8 has a set of circular holes on each side, and the intelligent suction pump 801 has a set of connecting tubes on each side. These connecting tubes are snap-fitted into the circular holes on both sides of the main shell 8. A suction tube (medical device 4) is fitted inside a connecting tube on one side. The suction tube (medical device 4) is movably connected to the inside of the air inhaler (medical device 1), the intubation tube (medical device 2), and the telescopic intubation sleeve (medical device 201). A set of circular electrical connectors is located on one side of the intelligent suction pump (medical device 801), and these connectors are fitted to the side of the battery (medical device 803). A set of circular connectors is located on the top of the intelligent control box (medical device 802), and the circular interface at the bottom of the intelligent screen (medical device 5) is fitted to the two circular connectors on the top of the intelligent control box (medical device 802). The bottom of the dustproof nozzle (medical device 3) is made of medical-grade soft rubber material, and a filter is fitted to the head of the dustproof nozzle (medical device 3). The medical cap 9 has an internal annular locking groove, within which a filter cotton 901 is secured. The filter cotton 901 has precision filter holes. The straw 4 is made of medical tubing, and one end of the straw 4 is threadedly connected to a ball joint 401. The ball joint 401 has four sets of circular connection holes on its outer side, and four sets of miniature cameras 402 are secured to these holes. These miniature cameras 402 can detect the type of foreign object inside the device.

[0030] Example 2: Please refer to Figure 4 and Figure 8As shown: Based on Embodiment 1, the medical air vent 1 has a set of U-shaped interlayers inside, and the U-shaped interlayer inside the medical air vent 1... The U-shaped interlayer has a wide air inlet (medical device 101) at the top. The outer rings of the air inlet (medical device 1) and the wide air inlet (medical device 101) have rounded corners. The U-shaped interlayer is located on the upper inner side of the air inlet (medical device 1). The outer side of the connecting shaft at the tail of the air inlet (medical device 1) has a set of threads, and the connecting shaft at the tail of the air inlet (medical device 1) is tightly connected to the inside of one side of the cannula (medical device 2) via these threads. One side of the intelligent control box (medical device 802) is snap-fitted into the inside of one side of the main shell (medical device 8). A set of side covers (medical devices 7) are snap-fitted into each side of the main shell (medical device 8). One side of the side cover (medical device 7) has a handle (medical device 701), and the handle (medical device 701) has a set of square through slots in the middle. One side of the main shell (medical device 8) has a set of circular through holes at the top, and the circular connector at the top of the intelligent control box (medical device 802) is snap-fitted into the top of one side of the main shell (medical device 8). One set of square slots is located in the middle of the top of the main shell (medical device 8). The intelligent suction pump (medical device 801) has a set of square snap-fit ​​blocks at the top. The medical device is connected to the main shell (Medical Device 8) via a square mounting block at the top. A set of threads is located in a circular hole on one side of the intelligent suction pump (Medical Device 801), and a collection bottle (Medical Device 6) is securely connected to it via these threads. A set of connecting tubes is located on each side of the intelligent suction pump (Medical Device 801), and the suction tube (Medical Device 4) and collection bottle (Medical Device 6) are connected through the intelligent suction pump (Medical Device 801). The intelligent suction pump (Medical Device 801) has a built-in small intelligent medical suction machine, and suction is intelligently controlled via an intelligent screen (Medical Device 5). A set of square slots is located on the upper part of the side cover (Medical Device 7), and the intelligent screen (Medical Device 5) is mounted in these square slots. One side of the intelligent screen (Medical Device 5) is mounted to the intelligent control box (Medical Device 802). A set of square signal controllers is located on one side of the intelligent suction pump (Medical Device 801), and these square signal controllers are intelligently connected to the intelligent control box (Medical Device 802).

[0031] The specific usage and function of this embodiment: Before use, open the side covers 7 on both sides of the main shell 8 to check whether the circular connector of the battery 803 and the intelligent suction pump 801 is securely fastened. After closing the side covers 7, confirm that the device is powered on through the intelligent screen 5 in the square groove at the top of the side covers 7. Slide the circular connecting hole on one side of the dust nozzle 3 along the outside of the telescopic intubation sleeve 201 to a suitable position. The medical soft rubber at the bottom of the dust nozzle 3 fits against the face of the wounded and can seal the airway. The filter cap 9 at its head has a precision filter hole in the filter cotton 901 that can block dust and debris in the battlefield environment and prevent foreign objects from re-entering the wounded's airway. According to the wounded's body shape, stretch the telescopic intubation sleeve 201 on the outside of the intubation tube 2 to adjust the length so that the tube opening 202 is fastened to the circular connecting port at one end of the telescopic intubation sleeve 201 and aligned with the airway inlet. The threaded circular connecting shaft at the tail of the air mouthpiece 1 is fastened into the circular connecting port at one end of the intubation tube 2. The U-shaped interlayer on the upper inner side of the air mouthpiece 1 can assist airflow. The wide air port 101 at the top is aligned with the airway. The rounded corner design of the outer ring of the air mouthpiece 1 and the wide air port 101 can avoid scratching the oral mucosa of the patient during operation. After the device is started, the suction tube 4, made of medical tubing material, is movably connected to the air mouthpiece 1, the intubation tube 2, and the connecting ball 401 fastened to one end of the telescopic intubation tube sleeve 201 through threads. It goes into the airway with the intubation tube 2. The four sets of miniature cameras 402 mounted on the outside of the connecting ball 401 capture foreign object information in real time and feed back the type and location of the foreign object to the smart screen 5. Rescuers stabilize the device by holding the handle 701 with a square through-slot on one side of the side cover 7. They control the intelligent control box 802 inside the main shell 8 via the intelligent screen 5. Upon receiving a signal, the intelligent control box 802 adjusts the suction force of the intelligent suction pump 801, which is secured to the square slot at the top of the main shell 8 by a top square locking block. The small intelligent medical suction machine built into the intelligent suction pump 801 is activated. The connecting tubes on both sides connect the suction tube 4 to the collection bottle 6, which is threaded and fastened to a circular hole on one side of the intelligent suction pump 801. The suction tube 4 sucks in the foreign object, which is then transported by the intelligent suction pump 801 to the collection bottle 6 for storage. After cleaning, the side cover 7 can be removed for maintenance of the intelligent suction pump 801, suction tube 4, and other components, ensuring stable operation of the device in subsequent combat casualty rescue operations.

Claims

1. An airway foreign body removal device suitable for combat injury environments, characterized in that, include: Air inlet (1), tubing (2), dust nozzle (3), smart screen (5), collection bottle (6), side cover (7), main shell (8), telescopic tubing sleeve (201), tube opening (202), smart suction pump (801), smart control box (802) and battery (803). The outer side of the cannula (2) is connected to a telescopic cannula sleeve (201), and one end of the telescopic cannula sleeve (201) is provided with a set of circular connection ports. The bottom of the cannula (202) is snapped into the circular connection port at one end of the telescopic cannula sleeve (201). One end of the cannula (2) is provided with a set of circular connection ports. The tail of the air mouthpiece (1) is provided with a set of circular connection shafts, and the tail of the air mouthpiece (1) is tightly connected to the circular connection port at one end of the cannula (2). One side of the dust nozzle (3) is provided with a set of circular connection holes, and the circular connection holes on one side of the dust nozzle (3) are movably connected to the outer side of the telescopic cannula sleeve (201). The main shell (8) has a set of circular holes on each side. The intelligent suction pump (801) has a set of connecting pipes on each side. The connecting pipes on both sides of the intelligent suction pump (801) are snapped into the circular holes on both sides of the main shell (8). A suction tube (4) is snapped into the connecting pipe on one side of the intelligent suction pump (801). The suction tube (4) is movably connected to the air inlet (1), the insertion tube (2), and the telescopic insertion tube sleeve (201). The intelligent suction pump (801) has a set of circular electrical connectors on one side. The circular electrical connectors on one side of the intelligent suction pump (801) are snapped into the battery (803). The intelligent control box (802) has a set of circular connectors on the top. The circular interface at the bottom of the intelligent screen (5) is snapped into the two circular connectors on the top of the intelligent control box (802).

2. The airway foreign body removal device suitable for combat injury environments according to claim 1, characterized in that: The bottom of the dust nozzle (3) is made of medical soft rubber material, and the head of the dust nozzle (3) is fitted with a filter cap (9). The filter cap (9) has a set of annular mounting grooves inside, and filter cotton (901) is fitted in the annular mounting grooves inside the filter cap (9). The filter cotton (901) has precision filter holes inside.

3. The airway foreign body removal device suitable for combat injury environments according to claim 1, characterized in that: The straw (4) is made of medical soft tubing material, and one end of the straw (4) is fastened to a connecting ball (401) by a thread. The connecting ball (401) has four sets of circular connecting holes on its outer side, and a miniature camera (402) is attached to the circular connecting holes on the outer side of the connecting ball (401). There are four sets of miniature cameras (402), and the miniature cameras (402) can sense what kind of substance the foreign object inside is.

4. The airway foreign body removal device suitable for combat injury environments according to claim 1, characterized in that: The air inlet (1) has a U-shaped interlayer inside, and a wide air inlet (101) is provided at the top of the U-shaped interlayer inside the air inlet (1). The air inlet (1) and the wide air inlet (101) have rounded corners on their outer rings. The U-shaped interlayer is located on the upper inner side of the air inlet (1). The tail connecting shaft of the air inlet (1) has a set of threads on its outer side, and the tail connecting shaft of the air inlet (1) is tightly connected to the inside of one side of the insertion tube (2) through the threads.

5. A foreign body removal device for airways suitable for combat environments according to claim 1, characterized in that: The intelligent control box (802) is snapped into the interior of the main shell (8) on one side. A set of side covers (7) are snapped into each side of the main shell (8). A handle (701) is provided on one side of the side cover (7), and a set of square through slots is provided in the middle of the handle (701). A set of circular through holes is provided on the top of one side of the main shell (8), and a circular connector on the top of the intelligent control box (802) is snapped into the top of one side of the main shell (8).

6. The airway foreign body removal device suitable for combat injury environments according to claim 1, characterized in that: The main shell (8) has a set of square grooves at the top middle. The smart pump (801) has a set of square clamping blocks at the top. The smart pump (801) is clamped and connected to the square grooves at the top middle of the main shell (8) through the square clamping blocks. The smart pump (801) has a set of threads in a circular hole on one side. A collection bottle (6) is fastened to the circular hole on one side of the smart pump (801) through the threads.

7. The airway foreign body removal device suitable for combat injury environments according to claim 1, characterized in that: The intelligent suction pump (801) has a set of connecting pipes on each side, and the suction tube (4) and the collection bottle (6) are connected through the intelligent suction pump (801). The intelligent suction pump (801) has a built-in small intelligent medical suction machine, and the suction is intelligently controlled by the intelligent screen (5).

8. A foreign body removal device for airways suitable for combat environments according to claim 1, characterized in that: The side cover (7) has a set of square slots on the upper part, and the smart screen (5) is snapped into the square slots on the upper part of the side cover (7). The bottom side of the smart screen (5) is snapped into the smart control box (802). The smart suction pump (801) has a set of square signal controllers on one side, and the square signal controllers on the side of the smart suction pump (801) are intelligently connected to the smart control box (802).