Exhaust device

Abstract

The invention relates to the technical field of medical equipment, in particular to an exhaust device. Comprising a puncture needle, a connecting piece is fixed to the top of the puncture needle, a one-way ventilation valve is fixed to the top of the connecting piece, an air leakage prevention sealing sleeve is fixed to the top of the connecting piece and located on the outer side of the one-way ventilation valve, and the top of the air leakage prevention sealing sleeve is in threaded connection with an air flowing ventilation cylinder; the outer side of the top of the gas flow ventilation cylinder is slidably connected with a gas storage bag, and a positioning mechanism used for connection is installed on the outer side of the gas flow ventilation cylinder. According to the exhaust device provided by the invention, the puncture needle, the connecting piece, the gas flowing ventilation cylinder, the gas storage airbag and the positioning mechanism are matched, so that the gas storage airbag can be connected with the gas flowing ventilation cylinder under the fixation of the positioning mechanism; therefore, thoracic cavity air punctured by the puncture needle can enter the air storage air bag through the puncture needle, the air leakage prevention sealing sleeve and the air flowing ventilation cylinder, and external air is prevented from entering the thoracic cavity.

Description

Technical Field

[0001] The present invention relates to the technical field of medical equipment, and in particular to an exhaust device. Background Art

[0002] Tension pneumothorax is a traumatic injury commonly encountered in pre-hospital emergency treatment, which can easily cause death. The current treatment for pre-hospital tension pneumothorax is empty needle puncture, and then putting on gloves, cutting a notch on the gloves to form a valve, and performing closed chest drainage after admission. The operation is cumbersome, and when treated outside the hospital, it cannot meet the sterility requirements well.

[0003] The patent document with the announcement number (CN212699861 U) discloses a tension pneumothorax exhaust device, comprising: a needle tube, a needle core slidably and lockably arranged in the needle tube, and a sleeve slidably and lockably arranged outside the needle tube, the needle tube is provided with a branch tube obliquely arranged with the outer wall of the needle tube, the branch tube is provided with a one-way valve, the needle core comprises a spike end and a hand-pushing end respectively arranged outside the needle tube, an air storage bag is provided on the outer wall of the needle tube, the air storage bag is arranged between the needle tube and the sleeve, and the sleeve is arranged at one end of the needle tube close to the spike end. The utility model provides an exhaust device for the existing tension pneumothorax that is convenient for pulling out the needle core and easy to fix;

[0004] The patent document with the announcement number (CN115531038A) discloses a one-way valve for bronchus, comprising: a support portion, the outer wall of the support portion is used to abut against the inner wall of the bronchus; a breathable portion, which is arranged in the support portion and connected to the inner wall of the support portion; wherein the support portion and the breathable portion are an integrated structure, which can replace the technical solution of combining a nickel-titanium alloy skeleton with a coating material in the traditional technology, can reduce the production cost of the one-way valve for bronchus, and at the same time improve the yield rate of the one-way valve for bronchus, which is conducive to the promotion and use of the one-way valve for bronchus;

[0005] When using the above technology, it was found that the following technical problems exist in the prior art: the existing exhaust device can only perform direct exhaust or closed chest drainage exhaust when in use, and it is not convenient to adjust the exhaust method according to needs. For this reason, an exhaust device is designed to provide another technical solution to the above technical problems. Summary of the invention

[0006] Based on this, it is necessary to provide an exhaust device to address the above technical problems, which is used to solve the technical problem that the existing exhaust devices can only perform direct exhaust or closed chest drainage exhaust when in use, and it is not convenient to adjust the exhaust method according to needs.

[0007] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0008] An exhaust device, comprising a puncture needle, a connecting piece is fixed to the top of the puncture needle, a one-way ventilation valve is fixed to the top of the connecting piece, an air leakage-proof sealing sleeve is fixed to the top of the connecting piece and located outside the one-way ventilation valve, a gas flow ventilation cylinder is threadedly connected to the top of the air leakage-proof sealing sleeve, an air storage bag is slidably connected to the outside of the top of the gas flow ventilation cylinder, and a positioning mechanism for connection is installed on the outside of the gas flow ventilation cylinder;

[0009] The positioning mechanism includes an assembly connection fixing plate, a support positioning clamping plate, an extrusion adjustment bolt and a positioning extrusion block. An assembly connection fixing plate is fixed to the outer side of the gas flow ventilation cylinder. Both ends and both sides of the assembly connection fixing plate are slidably connected to the support positioning clamping plates. The inner parts of the top ends of the multiple support positioning clamping plates are threadedly connected to the extrusion adjustment bolts. The extrusion adjustment bolt is rotatably connected to the positioning extrusion block at one end close to the assembly connection fixing plate.

[0010] As a preferred embodiment of the exhaust device provided by the present invention, a sealing mechanism is installed inside the top of the air leakage prevention sealing sleeve, and the sealing mechanism includes a sealing ring, an adjusting rotating disk and a synchronous connecting rod. A sealing ring is arranged inside the top of the air leakage prevention sealing sleeve, a synchronous connecting rod is fixed to one end of the sealing ring, and the outer side of the synchronous connecting rod is rotatably connected to the air leakage prevention sealing sleeve, and an adjusting rotating disk is arranged at one end of the top of the air leakage prevention sealing sleeve, and the adjusting rotating disk is fixed to the synchronous connecting rod.

[0011] As a preferred embodiment of the exhaust device provided by the present invention, the sealing mechanism includes an adjusting positioning sliding rod and a tension spring, the adjusting positioning sliding rod is slidingly connected to the inside of one side of the adjusting rotating disk, the adjusting positioning sliding rod is slidingly connected to the anti-leakage sealing sleeve, the outer side of the adjusting positioning sliding rod is sleeved with a tension spring, one end of the tension spring is fixed to the adjusting rotating disk, and the other end of the tension spring is fixed to the adjusting positioning sliding rod.

[0012] As a preferred embodiment of the exhaust device provided by the present invention, a first sliding assembly groove is opened inside the top ends of both ends of the assembly connecting and fixing plate, and a second sliding assembly groove is opened inside the bottom ends of both sides of the assembly connecting and fixing plate, and the first sliding assembly groove and the second sliding assembly groove are both slidably connected with sliding assembly blocks, and the sliding assembly blocks are fixed to the supporting positioning clamping plate.

[0013] As a preferred implementation of the exhaust device provided by the present invention, an arc groove is provided on the inner side of the positioning extrusion block.

[0014] As a preferred embodiment of the exhaust device provided by the present invention, horizontal positioning blocks are fixed on both sides of the support positioning clamping plate away from one end of the assembly connection fixing plate.

[0015] As a preferred embodiment of the exhaust device provided by the present invention, an anti-dropping connecting bolt is connected to the internal thread of one side of the supporting positioning clamping plate, and a connecting thread groove is opened inside the other side of the supporting positioning clamping plate.

[0016] As a preferred embodiment of the exhaust device provided by the present invention, the top of the air leakage-proof sealing sleeve is threadedly connected with an exhaust connection assembly column.

[0017] It can be seen without a doubt that the above-mentioned technical solution of the present application can definitely solve the technical problem to be solved by the present application.

[0018] At the same time, through the above technical solutions, the present invention has at least the following beneficial effects:

[0019] The exhaust device provided by the present invention can connect the gas storage bag with the gas flow ventilator under the fixation of the positioning mechanism through the cooperation of the puncture needle, the connecting piece, the gas flow ventilator, the gas storage bag and the positioning mechanism, so that the gas storage bag can be connected with the gas flow ventilator after being fixed by the positioning mechanism, so that the chest cavity gas after puncture by the puncture needle can enter the interior of the gas storage bag through the puncture needle, the air leakage-proof sealing sleeve and the gas flow ventilator, and prevent the outside air from entering the chest cavity;

[0020] Through the cooperation of the supporting positioning clamping plate, the sliding assembly block, the positioning extrusion block and the anti-detachment connecting bolt, the plurality of supporting positioning clamping plates can be spliced ​​through contact, and at the same time, the positioning extrusion block is brought close to the gas flow vent cylinder to clamp and fix the connection position between the gas storage airbag and the gas flow vent cylinder, thereby preventing gas leakage;

[0021] Through the cooperation of the sealing mechanism and the air-evacuation connection assembly column, when it is necessary to drive the chest cavity gas to be discharged at a uniform speed through the closed chest drainage method, the external constant negative pressure suction device is connected to the anti-leakage sealing sleeve through the air-evacuation connection assembly column, and the gas at the top of the anti-leakage sealing sleeve is closed through the sealing mechanism, so that it can be more stable during replacement;

[0022] Through the cooperation of the sealing ring, the adjusting rotating disk and the adjusting positioning sliding rod, the rotation of the adjusting rotating disk can drive the sealing ring to rotate inside the top of the anti-leakage sealing sleeve through the synchronous connecting rod, thereby closing or opening the anti-leakage sealing sleeve through the sealing ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 It is a schematic diagram of the opening of the present invention;

[0026] Figure 3 It is a structural schematic diagram of the connecting piece of the present invention;

[0027] Figure 4 It is a schematic diagram of the internal structure of the air leakage-proof sealing sleeve of the present invention;

[0028] Figure 5 It is a structural schematic diagram of the sealing ring of the present invention;

[0029] Figure 6 It is a structural schematic diagram of the gas flow ventilator of the present invention;

[0030] Figure 7 This is a schematic diagram of the structure of the assembly connection fixing plate of the present invention;

[0031] Figure 8 This is a schematic diagram of the structure of the connecting thread groove of the present invention;

[0032] Fig. 9 It is a schematic structural diagram of the air extraction connection assembly column of the present invention.

[0033] In the figure: 1. puncture needle; 2. connecting piece; 3. one-way ventilation valve; 4. anti-leakage air sealing sleeve; 5. sealing ring; 6. adjusting rotating disk; 7. synchronous connecting rod; 8. adjusting positioning sliding rod; 9. tension spring; 10. gas flow ventilator; 11. air storage bag; 12. assembly connection fixing plate; 13. supporting positioning clamping plate; 14. first sliding assembly groove; 15. second sliding assembly groove; 16. sliding assembly block; 17. extrusion adjustment bolt; 18. positioning extrusion block; 19. anti-drop connection bolt; 20. connecting thread groove; 21. horizontal positioning block; 22. vacuum connection assembly column. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0035] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings.

[0036] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0037] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0038] Embodiment 1:

[0039] Reference Figure 1-Figure 8 , an exhaust device comprises a puncture needle 1, a connecting piece 2 is fixed on the top of the puncture needle 1, a one-way ventilation valve 3 is fixed on the top of the connecting piece 2, and an anti-leakage sealing sleeve 4 is fixed on the top of the connecting piece 2 and on the outside of the one-way ventilation valve 3, so that when the puncture needle 1 enters the inside of the human chest cavity through puncture, the gas inside the chest cavity enters the inside of the connecting piece 2 through the puncture needle 1 and then enters the inside of the one-way ventilation valve 3, and is discharged in one direction through the limit of the one-way ventilation valve 3, and a sealing mechanism is installed inside the top of the anti-leakage sealing sleeve 4, and the sealing mechanism includes a sealing Sealing ring 5, adjusting rotating disk 6, synchronous connecting rod 7, adjusting positioning sliding rod 8 and tension spring 9. A sealing ring 5 is arranged inside the top of the air leakage-proof sealing sleeve 4. A synchronous connecting rod 7 is fixed to one end of the sealing ring 5, so that the rotation of the synchronous connecting rod 7 drives the sealing ring 5 to rotate and adjust the sealing effect and the gas flow effect. The outer side of the synchronous connecting rod 7 is rotatably connected with the air leakage-proof sealing sleeve 4, so that the rotation of the synchronous connecting rod 7 drives the sealing ring 5 to rotate inside the top of the air leakage-proof sealing sleeve 4, and seals through the linear contact between the outer side of the sealing ring 5 and the air leakage-proof sealing sleeve 4;

[0040] The cam 7 is connected to the locking cam 8 and the locking cam 8 is connected to the locking cam 8, so that the locking cam 8 is in a state of being locked and released, and the locking cam 8 is in a state of being locked and released ...

[0041] The top of the air-leakage-proof sealing sleeve 4 is threadedly connected with a gas flow ventilator 10, and a sealing ring is arranged between the air-leakage-proof sealing sleeve 4 and the gas flow ventilator 10, so as to increase the sealing effect after the air-leakage-proof sealing sleeve 4 and the gas flow ventilator 10 are connected, and the outer side of the top of the gas flow ventilator 10 is slidably connected with an air storage bag 11, so that the gas entering the gas flow ventilator 10 can directly enter the inside of the air storage bag 11, thereby preventing the outside air from entering the chest cavity, and a positioning mechanism for connection is installed on the outer side of the gas flow ventilator 10;

[0042] The positioning mechanism includes an assembly connection fixing plate 12, a support positioning clamping plate 13, a sliding assembly block 16, an extrusion adjustment bolt 17 and a positioning extrusion block 18. The assembly connection fixing plate 12 is fixed to the outer side of the gas flow ventilator 10. The two ends and both sides of the assembly connection fixing plate 12 are slidably connected with the support positioning clamping plates 13. The top ends of the two ends of the assembly connection fixing plate 12 are provided with first sliding assembly grooves 14. The bottom ends of the two sides of the assembly connection fixing plate 12 are provided with second sliding assembly grooves 15. The first sliding assembly groove 14 and the second sliding assembly groove 15 are both T-shaped. The first sliding assembly groove 14 and the second sliding assembly groove 15 are slidably connected with the sliding assembly blocks 16. The sliding assembly blocks 16 are fixed to the support positioning clamping plate 13, so that the support positioning clamping plate 13 is installed on the inner side of the assembly connection fixing plate 12 through the corresponding sliding assembly blocks 16.

[0043] The top ends of the plurality of support positioning clamping plates 13 are all threadedly connected with extrusion adjustment bolts 17, and one end of the extrusion adjustment bolts 17 close to the assembly connection fixing plate 12 is rotatably connected with a positioning extrusion block 18, so that the rotation of the extrusion adjustment bolts 17 drives the positioning extrusion block 18 to move through the threaded connection with the support positioning clamping plate 13, and an arc groove is provided on the inner side of the positioning extrusion block 18, so that the positioning extrusion block 18 can squeeze and fix the air storage airbag 11 at the position outside the top end of the gas flow ventilator 10 through the arc groove;

[0044] Horizontal positioning blocks 21 are fixed on both sides of the support positioning clamping plate 13 away from one end of the assembly connection fixing plate 12, so that when multiple support positioning clamping plates 13 are installed on the outer side of the assembly connection fixing plate 12, they are positioned by whether the horizontal positioning blocks 21 on two adjacent support positioning clamping plates 13 are at the same height, and the internal thread of one side of the support positioning clamping plate 13 is connected with an anti-detachment connecting bolt 19, and the other side of the support positioning clamping plate 13 is provided with a connecting thread groove 20, so that the connection between the two adjacent support positioning clamping plates 13 is achieved by the anti-detachment connecting bolt 19 on one of the support positioning clamping plates 13 entering the connecting thread groove 20 on the other support positioning clamping plate 13 for positioning;

[0045] The use process of an exhaust device provided by the present invention is as follows: before it is needed to be used, first, according to the different exhaust methods, when it is chosen to discharge the gas normally through the connection between the gas flow vent cylinder 10 and the anti-leakage sealing sleeve 4, the gas flow vent cylinder 10 and the anti-leakage sealing sleeve 4 are connected through the sealing ring, and then the air storage airbag 11 is put on the outside of the top of the gas flow vent cylinder 10, and then the support positioning clamping plates 13 at both ends are slid from top to bottom into the interior of the first sliding assembly groove 14 through the corresponding sliding assembly blocks 16, and then the support positioning clamping plates 13 on both sides are slid from bottom to top into the interior of the second sliding assembly groove 15 through the corresponding sliding assembly blocks 16, so as to install the support positioning clamping plates 13 around the assembly connection fixing plate 12, and then confirm whether the heights are the same through the heights of the horizontal positioning blocks 21 on the two adjacent support positioning clamping plates 13, and then let the corresponding Among the two adjacent supporting positioning clamping plates 13, the anti-detachment connecting bolt 19 on one of the supporting positioning clamping plates 13 enters the connecting thread groove 20 on the other supporting positioning clamping plates 13 for positioning, and then the four supporting positioning clamping plates 13 are connected to each other, and then the extrusion adjusting bolt 17 is rotated to adjust the position of the extrusion adjusting bolt 17 through the threaded connection with the supporting positioning clamping plate 13, and the connecting position of the air storage airbag 11 and the gas flow ventilator 10 is squeezed and fixed by the positioning extrusion block 18, so that the puncture needle 1 is punctured into the second intercostal space on the midline of the clavicle on the affected side, and the chest cavity is punctured with a thick needle to exhaust and reduce pressure, so that the gas inside the chest cavity passes through the puncture needle 1, the connecting piece 2, and the one-way ventilation valve 3 to enter the interior of the gas flow ventilator 10, and enters the interior of the air storage airbag 11 through the gas flow ventilator 10, so that the high-pressure gas in the chest cavity is easy to be discharged, and at the same time, the outside air is not allowed to enter the chest cavity.

[0046] Embodiment 2:

[0047] Reference Fig. 9 , an exhaust device, the top of the air leakage-proof sealing sleeve 4 is threadedly connected with an exhaust connection assembly column 22, so that through the connection between the exhaust connection assembly column 22 and an external constant negative pressure suction device, the external constant negative pressure suction device can drive the gas inside the chest cavity to be discharged at a uniform speed when working, and a sealing ring is also arranged between the air leakage-proof sealing sleeve 4 and the air suction connection assembly column 22, so as to increase the sealing effect after the air leakage-proof sealing sleeve 4 is connected to the air suction connection assembly column 22 through the sealing ring.

[0048] The use process of the exhaust device provided by the present invention is as follows: before use, first, according to the different exhaust methods, when it is necessary to exhaust at a uniform speed through a constant negative pressure suction device connected to the exhaust connection assembly column 22, the exhaust connection assembly column 22 is installed on the top of the anti-leakage sealing sleeve 4 through a sealing ring, so that the constant negative pressure suction device can accelerate the exhaust of gas and promote lung re-expansion; after the leakage stops for 24 hours, the chest X-ray confirms that the lung has re-expanded, and then the chest drainage tube can be removed.

[0049] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the present invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. An exhaust device, It is characterized in that The invention comprises a puncture needle (1), a connecting piece (2) is fixed on the top of the puncture needle (1), a one-way ventilation valve (3) is fixed on the top of the connecting piece (2), an air leakage prevention sealing sleeve (4) is fixed on the top of the connecting piece (2) and located on the outside of the one-way ventilation valve (3), a gas flow ventilation cylinder (10) is threadedly connected to the top of the air leakage prevention sealing sleeve (4), an air storage bag (11) is slidably connected to the outside of the top of the gas flow ventilation cylinder (10), and a positioning mechanism for connection is installed on the outside of the gas flow ventilation cylinder (10); The positioning mechanism comprises an assembly connection fixing plate (12), a support positioning clamping plate (13), an extrusion adjustment bolt (17) and a positioning extrusion block (18); the outer side of the gas flow ventilation cylinder (10) is fixed with an assembly connection fixing plate (12); both ends and both sides of the assembly connection fixing plate (12) are slidably connected with the support positioning clamping plates (13); the top ends of the plurality of support positioning clamping plates (13) are internally threadedly connected with the extrusion adjustment bolt (17); one end of the extrusion adjustment bolt (17) close to the assembly connection fixing plate (12) is rotatably connected with the positioning extrusion block (18).

2. An exhaust device according to claim 1, It is characterized in that A sealing mechanism is installed inside the top of the air leakage-proof sealing sleeve (4), and the sealing mechanism comprises a sealing ring (5), an adjusting rotating disk (6) and a synchronous connecting rod (7). A sealing ring (5) is arranged inside the top of the air leakage-proof sealing sleeve (4), a synchronous connecting rod (7) is fixed to one end of the sealing ring (5), and the outer side of the synchronous connecting rod (7) is rotatably connected to the air leakage-proof sealing sleeve (4). An adjusting rotating disk (6) is arranged at one end of the top of the air leakage-proof sealing sleeve (4), and the adjusting rotating disk (6) is fixed to the synchronous connecting rod (7).

3. An exhaust device according to claim 2, It is characterized in that The sealing mechanism comprises an adjusting and positioning sliding rod (8) and a tension spring (9); the adjusting and positioning sliding rod (8) is slidably connected to the inside of one side of the adjusting rotating disk (6); the adjusting and positioning sliding rod (8) is slidably connected to the anti-leakage sealing sleeve (4); the outer side of the adjusting and positioning sliding rod (8) is sleeved with a tension spring (9); one end of the tension spring (9) is fixed to the adjusting rotating disk (6), and the other end of the tension spring (9) is fixed to the adjusting and positioning sliding rod (8).

4. An exhaust device according to claim 1, It is characterized in that A first sliding assembly groove (14) is provided inside the top ends of both ends of the assembly connection fixing plate (12), and a second sliding assembly groove (15) is provided inside the bottom ends of both sides of the assembly connection fixing plate (12). The first sliding assembly groove (14) and the second sliding assembly groove (15) are both slidably connected with a sliding assembly block (16), and the sliding assembly block (16) is fixed to the supporting positioning clamping plate (13).

5. An exhaust device according to claim 1, It is characterized in that An arc groove is formed on the inner side of the positioning extrusion block (18).

6. An exhaust device according to claim 1, It is characterized in that Horizontal positioning blocks (21) are fixed on both sides of the end of the supporting positioning clamping plate (13) away from the assembly connection fixing plate (12).

7. An exhaust device according to claim 1, It is characterized in that An anti-drop connection bolt (19) is connected to the internal thread of one side of the support positioning clamping plate (13), and a connection thread groove (20) is provided inside the other side of the support positioning clamping plate (13).

8. An exhaust device according to claim 1, It is characterized in that The top of the air leakage-proof sealing sleeve (4) is threadedly connected with an air extraction connection assembly column (22).

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