Portable emergency treatment negative pressure suction device

By designing a portable emergency negative pressure suction device, the combination of the suction cylinder, negative pressure balloon and reel box is used to solve the problem that the negative pressure suction device in the prior art is difficult to portable and quickly use in emergencies, and the efficient negative pressure suction effect is achieved in the field and in emergency situations.

CN120204490AInactive Publication Date: 2025-06-27THE THIRD AFFILIATED HOSPITAL OF GUANGZHOU MEDICAL UNIVERSITY (GUANGZHOU SEVERE MATERNAL TREATMENT CENTER GUANGZHOU ROUJI HOSPITAL)
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Patent Information

Application Number
CN202510358074.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-25
Publication Date
2025-06-27
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing negative pressure suction devices are mostly powered by electrical energy, making it difficult to perform fast and portable first aid negative pressure suction in emergencies or in the field.

Method used

A portable emergency negative pressure suction device is designed, including a suction cylinder, a negative pressure balloon and a reel box, which is adjusted through threaded connections and knobs to achieve portable and easy-to-operate negative pressure suction function.

Benefits of technology

The device can be quickly set up and used in the field or in sudden situations, and the negative pressure is generated by the pressing of the negative pressure balloon to achieve effective suction and discharge of fluid to the patient.

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Abstract

The invention discloses a portable emergency treatment negative pressure suction device, and relates to the technical field of negative pressure suction, the portable emergency treatment negative pressure suction device comprises a suction cylinder, the outer side of the top of the suction cylinder is provided with a threaded groove, the outer side of the suction cylinder is sleeved with a threaded cover, the bottom of the threaded cover is fixedly connected with a communicating pipe, the top end of the communicating pipe extends to the position above the threaded cover, and the top end of the communicating pipe is fixedly connected with the threaded cover. The bottom of the threaded cover is fixedly connected with a connecting pipe, and the top end of the connecting pipe extends to the position above the threaded cover. According to the portable emergency treatment negative pressure suction device, by arranging the suction cylinder, the negative pressure balloon and the winding box, the suction cylinder can be bound and fixed to the body of a medical worker or a rescue cart; then the medical staff moves along with the movement of the patient and carries the device to carry out negative pressure suction during advancing, suction force is generated in the suction cylinder by continuously pinching the negative pressure balloon, and therefore negative pressure suction can be carried out on the patient.
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Description

Technical Field

[0001] The present invention relates to the technical field of negative pressure suction, and specifically relates to a portable emergency negative pressure suction device. Background Technique

[0002] Emergency means treatment in an emergency situation, which is divided into emergency treatment and rescue. Its existence ensures that we can receive professional and scientific treatment in the shortest time when suffering from sudden diseases or accidental injuries. The negative pressure suction device is one of the important medical devices necessary for each clinical department, especially indispensable in operating rooms, emergency departments, and intensive care units. It uses the vacuum working principle to generate negative pressure in the cavity, so as to guide the liquid in the cavity out to achieve the purpose of sewage purification. In the prior art, most negative pressure suction devices are driven by electric energy, which is convenient for clinical use. However, in some sudden situations, rapid preliminary diagnosis is required, and even first aid is needed in the wild. Therefore, a portable emergency negative pressure suction device is proposed. Summary of the Invention

[0003] Aiming at the deficiencies of the prior art, the present invention provides a portable emergency negative pressure suction device, which solves the problems raised in the above background technique.

[0004] To achieve the above objectives, the present invention is realized through the following technical solutions: A portable emergency negative pressure suction device, including a suction cylinder, a threaded groove is provided on the outer side of the top of the suction cylinder, a threaded cover is sleeved on the outer side of the suction cylinder, a connecting pipe is fixedly connected to the bottom of the threaded cover, the top end of the connecting pipe extends above the threaded cover, a connecting pipe is fixedly connected to the bottom of the threaded cover, the top end of the connecting pipe extends above the threaded cover, a fixing frame is placed on the top of the threaded cover, one end of the fixing frame is fixedly connected to a winding box, a winding roller is rotatably connected to one side of the inner cavity of the winding box, a hose is wound around the outer side of the winding roller, one end of the hose extends outside the winding box and is fixedly connected to a negative pressure balloon, one end of the negative pressure balloon is fixedly connected to a discharge pipe, a rotary joint is installed on one side of the winding box, a fixing pipe is installed inside the winding roller, the other end of the fixing pipe is connected to one end of the hose, one end of the fixing pipe is connected to one end of the rotary joint, one end of the winding roller is fixedly connected to a knob, one end of the knob extends outside the winding box, a second spring is installed on one side of the inner cavity of the winding box, one end of the winding roller is connected to the second spring, the other end of the rotary joint is provided with a connecting head, the top end of the connecting pipe is fixedly connected to a fixed head, the bottom end of the connecting head is inserted into the fixed head, and a suction pipe is inserted into one end of the connecting pipe.

[0005] Optionally, one end of the take-up roller is fixedly connected with a knob, one end of the knob extends to the outside of the take-up box, a first threaded hole is opened on one side of the knob, a first screw is threadedly connected inside the first threaded hole, and a plurality of first jacks are opened on one side of the take-up box and on the side of the knob, and one end of the first screw extends into the corresponding first jack.

[0006] Optionally, the top of the threaded cover is fixedly connected with a mounting block, one end of the mounting block extends into the fixing frame, a third threaded hole is opened on one side of the fixing frame, a third screw is threadedly connected inside the third threaded hole, and one end of the third screw extends into the mounting block and is threadedly connected with the inside of the mounting block.

[0007] Optionally, the bottom of the threaded cover is fixedly connected with a first connecting rod, the bottom end of the first connecting rod is fixedly connected with a storage box, a winding roller is rotatably connected to the top of the inner cavity of the storage box, a binding band is wound around the outside of the winding roller, one end of the binding band extends to the outside of the storage box and is fixedly connected with a clamping joint, the top end of the winding roller extends above the storage box and is fixedly connected with a rotating block, a second threaded hole is opened on the top of the rotating block, a second screw is threadedly connected inside the second threaded hole, and a plurality of fixing grooves are opened on the top of the storage box and on the outside of the rotating block, and the bottom end of the second screw extends into the corresponding fixing groove.

[0008] Optionally, a first hairspring is arranged at the bottom of the inner cavity of the storage box, and the bottom end of the winding roller is connected with the first hairspring.

[0009] Optionally, the bottom of the threaded cover is fixedly connected with a second connecting rod, and a clamping seat matched with the clamping joint is fixedly connected to one side of the second connecting rod.

[0010] Optionally, one-way valves are arranged at one ends of the connecting pipe, the connecting tube and the discharge pipe.

[0011] Optionally, the threaded cover is threadedly connected with the suction cylinder through a thread groove.

[0012] The present invention provides a portable emergency negative pressure suction device, which has the following beneficial effects: 1. For this portable emergency negative pressure suction device, by providing a suction cylinder, a negative pressure balloon and a take-up box, the suction cylinder can be bound and fixed on the body of a medical staff or on a rescue vehicle, and then the medical staff moves along with the patient. When carrying this device for negative pressure suction during movement, by continuously squeezing the negative pressure balloon, suction force is generated inside the suction cylinder, so that negative pressure suction can be performed on the patient.

[0013] 2. For this portable emergency negative pressure suction device, by providing a winding box, a winding roller and a hose, screw out one end of the first screw from the inside of the first jack, pull out the hose from the outside of the winding roller, and then screw one end of the first screw into the inside of the first jack to limit and fix the hose and the winding roller. Thus, the length of the hose released can be adjusted, and the position of the negative pressure balloon can be adjusted, so that medical staff can hold the negative pressure balloon according to their own habits and press the negative pressure balloon to drive this device to perform negative pressure suction work. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the internal structure of the present invention; Figure 2 It is a schematic diagram of the internal structure of the winding box of the present invention viewed from above; Figure 3 For the present invention Figure 1 Enlarged view of part A; Figure 4 For the present invention Figure 1 Enlarged view of part B; Figure 5 It is a schematic diagram of the structure of the second embodiment of the present invention.

[0015] In the figure: 1. Suction cylinder; 2. Threaded cover; 3. Threaded groove; 4. Fixed frame; 5. Winding box; 6. Winding roller; 7. Fixed pipe; 8. Rotary joint; 9. Connector; 10. Hose; 11. Knob; 12. First threaded hole; 13. First screw; 14. First jack; 15. Connecting pipe; 16. Fixed head; 17. Connecting pipe; 18. Suction pipe; 19. Negative pressure balloon; 20. Drain pipe; 21. First connecting rod; 22. Storage box; 23. Rotating block; 24. First winding spring; 25. Binding strap; 26. Clamping joint; 27. Second threaded hole; 28. Second screw; 29. Third screw; 30. Third threaded hole; 31. Mounting block; 32. Second connecting rod; 33. Clamping seat; 34. Pump; 35. Socket; 36. Controller; 37. Connector end; 38. Second winding spring; 39. Winding roller; 40. Fixed groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0016] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0017] Embodiment 1 Please refer to Figures 1 to 4, the present invention provides a technical solution: a portable emergency negative pressure suction device, including a suction cylinder 1. A threaded groove 3 is provided on the outer side of the top of the suction cylinder 1. A threaded cover 2 is sleeved on the outer side of the suction cylinder 1. A connecting pipe 15 is fixedly connected to the bottom of the threaded cover 2. The top end of the connecting pipe 15 extends above the threaded cover 2. A connecting pipe 17 is fixedly connected to the bottom of the threaded cover 2. The top end of the connecting pipe 17 extends above the threaded cover 2. A fixing frame 4 is placed on the top of the threaded cover 2. One end of the fixing frame 4 is fixedly connected to a winding box 5. A winding roller 6 is rotatably connected to one side of the inner cavity of the winding box 5. A flexible hose 10 is wound around the outer side of the winding roller 6. One end of the flexible hose 10 extends outside the winding box 5 and is fixedly connected to a negative pressure balloon 19. One end of the negative pressure balloon 19 is fixedly connected to a discharge pipe 20. A rotary joint 8 is installed on one side of the winding box 5. A fixing pipe 7 is installed inside the winding roller 6. The other end of the fixing pipe 7 is connected to one end of the flexible hose 10. One end of the fixing pipe 7 is connected to one end of the rotary joint 8. One end of the winding roller 6 is fixedly connected to a knob 11. One end of the knob 11 extends outside the winding box 5. A second clockwork spring 38 is installed on one side of the inner cavity of the winding box 5. One end of the winding roller 6 is connected to the second clockwork spring 38. The other end of the rotary joint 8 is provided with a connecting head 9. The top end of the connecting pipe 15 is fixedly connected to a fixing head 16. The bottom end of the connecting head 9 is inserted into the fixing head 16. One end of the connecting pipe 17 is inserted with a suction pipe 18.

[0018] Among them, one end of the winding roller 6 is fixedly connected to a knob 11. One end of the knob 11 extends outside the winding box 5. A first threaded hole 12 is provided on one side of the knob 11. A first screw 13 is threadedly connected inside the first threaded hole 12. A plurality of first insertion holes 14 are provided on one side of the winding box 5 and on the side of the knob 11. One end of the first screw 13 extends into the corresponding first insertion hole 14. The winding roller 6 is limited by the first insertion hole 14 and the first screw 13, so as to limit the flexible hose 10. Screw one end of the first screw 13 out of the first insertion hole 14. Then, at this time, the second clockwork spring 38 drives the winding roller 6 to rotate back to its original position, so that the winding roller 6 winds up the flexible hose 10. Then, screw one end of the first screw 13 into the first insertion hole 14 to limit the flexible hose 10 and the winding roller 6.

[0019] Among them, an installation block 31 is fixedly connected to the top of the threaded cover 2. One end of the installation block 31 extends into the fixing frame 4. A third threaded hole 30 is provided on one side of the fixing frame 4. A third screw 29 is threadedly connected inside the third threaded hole 30. One end of the third screw 29 extends into the installation block 31 and is threadedly connected to the inside of the installation block 31. The fixing frame 4 is limited and fixed by the third screw 29 and the installation block 31.

[0020] Among them, a first connecting rod 21 is fixedly connected to the bottom of the threaded cap 2. The bottom end of the first connecting rod 21 is fixedly connected to a storage box 22. A winding roller 39 is rotatably connected to the top of the inner cavity of the storage box 22. A binding strap 25 is wound around the outer side of the winding roller 39. One end of the binding strap 25 extends to the outside of the storage box 22 and is fixedly connected to a clamping joint 26. The top end of the winding roller 39 extends above the storage box 22 and is fixedly connected to a rotating block 23. A second threaded hole 27 is formed in the top of the rotating block 23. A second screw 28 is threadedly connected to the inside of the second threaded hole 27. A plurality of fixing grooves 40 are formed in the top of the storage box 22 and outside the rotating block 23. The bottom end of the second screw 28 extends into the corresponding fixing groove 40. Screw out one end of the second screw 28 from the inside of the fixing groove 40, and then the first winding spring 24 drives the winding roller 39 to rotate in the reset direction, so that the winding roller 39 winds up the binding strap 25, thereby pulling the clamping joint 26 to move in the reset direction through the binding strap 25. Then screw one end of the second screw 28 into the fixing groove 40, thereby limiting and fixing the winding roller 39, the binding strap 25 and the clamping joint 26.

[0021] Among them, a first winding spring 24 is arranged at the bottom of the inner cavity of the storage box 22. The bottom end of the winding roller 39 is connected to the first winding spring 24. The first winding spring 24 drives the winding roller 39 to rotate in the reset direction, and winds up the binding strap 25 on the outer side of the winding roller 39, thereby pulling the clamping joint 26 to move in the reset direction through the binding strap 25.

[0022] Among them, a second connecting rod 32 is fixedly connected to the bottom of the threaded cap 2. A clamping seat 33 that cooperates with the clamping joint 26 is fixedly connected to one side of the second connecting rod 32. The suction cylinder 1 is fixed on the medical staff or the railing beside the bed through the cooperation of the clamping seat 33 and the clamping joint 26.

[0023] Among them, one-way valves are arranged at one ends of the connecting pipe 15, the connecting tube 17 and the discharge pipe 20, which can control the flow direction of the gas.

[0024] Among them, the threaded cap 2 is threadedly connected to the suction cylinder 1 through a thread groove 3, and the suction cylinder 1 can be screwed into the inside of the threaded cap 2.

[0025] Embodiment 2 Please refer to Figure 5 , the present invention provides a technical solution: The difference between this embodiment and Embodiment 1 is that a pump 34 is fixedly connected to one side of the fixing frame 4. A joint end 37 is fixedly connected to the suction end of the pump 34. The bottom end of the joint end 37 is inserted into the fixing head 16. A socket 35 is fixedly connected to one side of the pump 34, which can be connected to a vehicle power supply and a mobile power supply. A controller 36 is fixedly connected to one side of the pump 34, and the pump 34 is operated through the controller 36.

[0026] In summary, for the portable emergency negative pressure suction device, when in use and operating in the field environment, screw the suction cylinder 1 into the inside of the threaded cap 2. Then, place the fixing bracket 4 on one side of the winding box 5 on top of the threaded cap 2, such that the mounting block 31 is located inside the fixing bracket 4. Then, screw one end of the third screw 29 into the inside of the mounting block 31 to fix the positions of the fixing bracket 4 and the winding box 5. One can screw one end of the first screw 13 out of the first jack 14, then pull out the hose 10 from the outside of the winding roller 6, and then screw one end of the first screw 13 into the first jack 14 to limit the winding roller 6 and the hose 10. Place the suction cylinder 1 beside the body or the guardrail of the bed. Then, screw one end of the second screw 28 out of the fixing groove 40, then pull out the strap 25 from the outside of the winding roller 39, and then insert one end of the card joint 26 into the inside of the card socket 33 to fix the suction cylinder 1. Then, screw one end of the first screw 13 out of the first jack 14, pull out the hose 10 from the outside of the winding roller 6, and then screw one end of the first screw 13 into the first jack 14 to limit and fix the hose 10 and the winding roller 6; Then, the medical staff inserts one end of the suction tube 18 into the connecting tube 17, and then inserts one end of the suction tube 18 into the position where the patient needs negative pressure suction. Then, the medical staff continuously presses and releases the negative pressure balloon 19 with one hand. At this time, the negative pressure balloon 19 inhales gas into the inside of the negative pressure balloon 19 through the connecting tube 15, the fixed head 16, the connecting head 9, the rotary joint 8, the fixed tube 7 and the hose 10, and then discharges it to the external environment through the discharge tube 20, causing a negative pressure inside the suction cylinder 1. Thus, the liquid at the affected area of the patient to be suctioned is inhaled into the inside of the suction cylinder 1 through the suction tube 18 and the connecting tube 17 for storage; When it can be used in a vehicle or at a location with power indoors, the pump 34 can be installed on top of the threaded cap 2, such that the joint end 37 is connected to the fixed head 16, connected to the power supply through the socket 35, powered by the power supply to the pump 34, controlled by the controller 36 to start the pump 34, inhale the gas inside the suction cylinder 1 through the joint end 37, the fixed head 16 and the connecting tube 15, and then discharge the gas to the external environment through the other end of the pump 34, causing a negative pressure inside the suction cylinder 1, such that the suction tube 18 and the connecting tube 17 inhale the liquid at the affected area of the patient to be suctioned into the inside of the suction cylinder 1 for storage.

[0027] In the description of the present invention, it should be understood that the orientation or positional relationships indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "center", "both ends", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation on the present invention.

[0028] In addition, the terms "first", "second", "third", "fourth" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first", "second", "third", "fourth" may explicitly or implicitly include at least one of such features.

[0029] In the present invention, unless otherwise clearly defined and limited, the terms "installed", "set", "connected", "fixed", "swivelly connected", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the internal communication of two elements or the interaction relationship between two elements. Unless otherwise clearly limited, for those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A portable emergency negative pressure suction device, comprising a suction tube (1), characterized in that: A threaded groove (3) is provided on the outer side of the top of the suction tube (1); a threaded cover (2) is sleeved on the outer side of the suction tube (1); a connecting tube (15) is fixedly connected to the bottom of the threaded cover (2); the top of the connecting tube (15) extends to the top of the threaded cover (2); a connecting tube (17) is fixedly connected to the bottom of the threaded cover (2); the top of the connecting tube (17) extends to the top of the threaded cover (2); a fixing frame (4) is placed on the top of the threaded cover (2); one end of the fixing frame (4) is fixedly connected to a winding box (5); one side of the inner cavity of the winding box (5) is rotatably connected to a winding roller (6); a hose (10) is wound around the outer side of the winding roller (6); one end of the hose (10) extends to the outside of the winding box (5) and is fixedly connected to a negative pressure balloon (19); one end of the negative pressure balloon (19) is fixedly connected to a discharge tube (20), a rotary joint (8) is installed on one side of the winding box (5), a fixed tube (7) is installed inside the winding roller (6), the other end of the fixed tube (7) is connected to one end of the hose (10), one end of the fixed tube (7) is connected to one end of the rotary joint (8), one end of the winding roller (6) is fixedly connected to a knob (11), one end of the knob (11) extends to the outside of the winding box (5), a second spring (38) is installed on one side of the inner cavity of the winding box (5), one end of the winding roller (6) is connected to the second spring (38), the other end of the rotary joint (8) is provided with a connector (9), the top end of the connecting tube (15) is fixedly connected to a fixed head (16), the bottom end of the connector (9) is inserted into the fixed head (16), and one end of the connecting tube (17) is inserted into the suction tube (18).

2. A portable emergency negative pressure suction device according to claim 1, characterized in that: One end of the winding roller (6) is fixedly connected to a knob (11), one end of the knob (11) extends to the outside of the winding box (5), one side of the knob (11) is provided with a first threaded hole (12), the first threaded hole (12) is internally threadedly connected to a first screw (13), one side of the winding box (5) and located on the side of the knob (11) are provided with a plurality of first plug holes (14), one end of the first screw (13) extends to a corresponding first plug hole (14).

3. A portable emergency negative pressure suction device according to claim 2, characterized in that: A mounting block (31) is fixedly connected to the top of the threaded cover (2), one end of the mounting block (31) extends into the interior of the fixing frame (4), a third threaded hole (30) is provided on one side of the fixing frame (4), a third screw (29) is threadedly connected to the interior of the third threaded hole (30), and one end of the third screw (29) extends into the interior of the mounting block (31) and is threadedly connected to the interior of the mounting block (31).

4. A portable emergency negative pressure suction device according to claim 3, characterized in that: The bottom of the threaded cover (2) is fixedly connected to a first connecting rod (21), the bottom end of the first connecting rod (21) is fixedly connected to a storage box (22), the top of the inner cavity of the storage box (22) is rotatably connected to a winding roller (39), a strap (25) is wound around the outer side of the winding roller (39), one end of the strap (25) extends to the outer side of the storage box (22) and is fixedly connected to a clamping joint (26), the top of the winding roller (39) extends to the top of the storage box (22) and is fixedly connected to a rotating block (23), a second threaded hole (27) is provided at the top of the rotating block (23), a second screw (28) is threadedly connected inside the second threaded hole (27), a plurality of fixing grooves (40) are provided at the top of the storage box (22) and located on the outer side of the rotating block (23), the bottom end of the second screw (28) extends to the inside of the corresponding fixing grooves (40).

5. A portable emergency negative pressure suction device according to claim 4, characterized in that: A first spring (24) is arranged at the bottom of the inner cavity of the storage box (22), and the bottom end of the winding roller (39) is connected to the first spring (24).

6. The portable emergency negative pressure suction device according to claim 1, characterized in that: A second connecting rod (32) is fixedly connected to the bottom of the threaded cover (2), and a clamping seat (33) matching the clamping joint (26) is fixedly connected to one side of the second connecting rod (32).

7. The portable emergency negative pressure suction device according to claim 1, characterized in that: One end of the connecting pipe (15), the connecting pipe (17) and the drain pipe (20) are all provided with a one-way valve.

8. The portable emergency negative pressure suction device according to claim 1, characterized in that: The threaded cover (2) is threadably connected to the suction cylinder (1) via a threaded groove (3).