CN116370726B - Drainage device capable of repeatedly extracting hydrothorax - Google Patents

Drainage device capable of repeatedly extracting hydrothorax Download PDF

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Publication number
CN116370726B
CN116370726B CN202310398171.3A CN202310398171A CN116370726B CN 116370726 B CN116370726 B CN 116370726B CN 202310398171 A CN202310398171 A CN 202310398171A CN 116370726 B CN116370726 B CN 116370726B
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China
Prior art keywords
rod
air
drainage
drainage bottle
piston
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Active
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CN202310398171.3A
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Chinese (zh)
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CN116370726A (en
Inventor
张晶
姜涛
朱以芳
唐芳宁
刘悦
张柯婷
赵丽鸽
叶琳娜
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Air Force Medical University of PLA
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Air Force Medical University of PLA
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Priority to CN202310398171.3A priority Critical patent/CN116370726B/en
Publication of CN116370726A publication Critical patent/CN116370726A/en
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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/64Containers with integrated suction means
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/71Suction drainage systems
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/71Suction drainage systems
    • A61M1/74Suction control
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2202/00Special media to be introduced, removed or treated
    • A61M2202/04Liquids
    • A61M2202/0492Pleural
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

Abstract

The invention belongs to the technical field of hydrothorax drainage, and particularly relates to a drainage device capable of repeatedly extracting hydrothorax. According to the invention, accumulated water in the chest of a patient is absorbed through the drainage bottle, when the accumulated liquid absorbed in the drainage bottle reaches a certain amount, the drainage bottle is replaced, the accumulated liquid in the chest can be repeatedly extracted, the accumulated water can be effectively removed, and the risk of infection and the treatment cost are reduced; when the drainage bottle absorbs more hydrops, the weight will increase for gravity portion atress compression highly reduces, drives the connecting cover and moves down, attracts the magnetic path to follow down, drives the chock and cancels the closure to the intake pipe, and then cancels the inside gas pressure of drainage bottle, can reduce the adsorption affinity between drainage bottle and the connecting cover, and the drainage bottle of being convenient for is separated with the connecting cover, promotes the convenience that the drainage bottle was changed.

Description

Drainage device capable of repeatedly extracting hydrothorax
Technical Field
The invention belongs to the technical field of hydrothorax drainage, and particularly relates to a drainage device capable of repeatedly extracting hydrothorax.
Background
Hydrothorax is a common disease that can be caused by a variety of diseases, such as pleurisy, lung cancer, etc. The existence of the ponding can cause pressure on the respiratory system, thereby causing symptoms such as dyspnea, cough and the like. Thus, timely and effective drainage of stagnant water is one of the important measures for the treatment of these diseases. In order to treat hydrothorax, drainage of the hydrothorax is often required using a chest drainage device. Conventional chest drainage devices are typically single-use and require multiple replacement. This not only increases the cost of treatment, but may also increase the risk of infection.
In the prior art, the pneumothorax puncture can only extract accumulated water once and can not be reused. The intrathoracic drain needs to be fixed on the patient, if the drainage can not be repeatedly extracted, the discomfort and the treatment cost of the patient are increased, the ponding can not be effectively removed, and the risk of infection and the treatment cost are increased.
For example, chinese patent publication No. CN101745154B discloses a closed drainage bottle for thoracic cavity, through multiple operating conditions, can make things convenient for the carrying of drainage bottle according to the demand of use, but can not draw the ponding of thoracic cavity repeatedly, can not get rid of ponding effectively, has increased the risk of infection and the cost of treatment, increases patient's discomfort and treatment cost.
And as in the chinese patent publication No. CN104288849B, a chest drainage device is disclosed, by controlling the height of the liquid level in the saline chamber and the distance between the mouth of the water seal tube and the liquid level, the mouth of the water seal tube is always below the horizontal plane when the patient inhales, and the drainage difficulty caused by the fact that the water seal tube stretches into the liquid level too deeply is avoided, however, the accumulated water in the chest cannot be repeatedly extracted, the accumulated water cannot be effectively removed, the risk of infection and the cost of treatment are increased, and the discomfort and the treatment cost of the patient are increased.
Disclosure of Invention
The invention aims to provide a drainage device capable of repeatedly extracting hydrothorax, which can repeatedly extract hydrothorax in the chest, effectively drain the hydrothorax and reduce the risk of infection and the treatment cost.
The technical scheme adopted by the invention is as follows:
a drainage device for repeatedly withdrawing pleural effusion, comprising:
the upper part of the supporting rod is provided with a connecting cover, the lower part of the connecting cover is provided with a drainage bottle, the outer side of the supporting rod and the lower part of the drainage bottle are provided with a gravity part, the inside of the connecting cover is provided with a drainage tube, and the drainage tube is provided with a flow regulating valve;
the air exhaust part is arranged in the support rod, the air inlet part is arranged at the upper end of the support rod, one end of the air inlet part penetrates through the connecting cover, the support rod is communicated with the air inlet part, and the air exhaust part is arranged at the lower end of the air exhaust part;
the air extraction part is pressed, so that air in the drainage bottle enters the support rod through the air inlet part, and the air extraction part is pulled, so that the air in the support rod is discharged through the air discharge part.
In a preferred scheme, the air extraction part comprises a pull rod, a handle and a piston, wherein the pull rod is connected inside the support rod in a sliding mode, the handle is fixed at the upper end of the pull rod, the piston is fixed at the lower end of the pull rod, and the piston is connected with the support rod in a sliding mode.
In a preferred embodiment, a plurality of through holes are formed in the piston.
In a preferred scheme, the material of piston is rubber, be interference fit between piston and the bracing piece.
In a preferred scheme, the exhaust part comprises a rubber sheet and a magnetic attraction sheet, wherein the rubber sheet is arranged at the lower end of the piston, one end of the rubber sheet is fixedly connected with the piston, and the magnetic attraction sheet is fixed inside the piston and is positioned at the upper part of the rubber sheet.
In a preferred scheme, an iron sheet is arranged inside the rubber sheet and near the position of the magnetic attraction sheet.
In a preferred scheme, the portion of admitting air includes intake pipe, fixed strip, slide bar, chock, spring, connecting pipe and gassing spare, the upper end at the bracing piece is fixed to the intake pipe, the inside at the intake pipe is fixed to the fixed strip, slide bar sliding connection is in the inside of fixed strip, the chock is fixed in the upper end of slide bar, the spring sets up in the outside of slide bar and is located between fixed strip and the chock, the one end that the bracing piece was kept away from at the intake pipe is pegged graft to the connecting pipe, the one end through connection lid that the intake pipe was kept away from to the connecting pipe, the lower extreme at the slide bar is installed to gassing spare.
In a preferred scheme, the air release piece comprises a connecting rod and a magnetic block, wherein the connecting rod is fixed at the lower end of the sliding rod, and the magnetic block is fixed at the lower end of the connecting rod.
In a preferred embodiment, the height of the lower end of the connection tube is higher than the height of the lower end of the drainage tube.
In a preferred scheme, gravity portion includes solid fixed ring, goes up backup pad, lower backup pad and pressure spring, gu fixed ring sliding connection is in the outside of bracing piece and be located the below of drainage bottle, go up the backup pad and rotate the inside of connecting at solid fixed ring, the lower backup pad is fixed in the outside of bracing piece and is located the below of solid fixed ring, the pressure spring sets up between last backup pad and lower backup pad.
The invention has the technical effects that:
when the drainage tube is connected with the chest of a patient during effusion extraction, the air extraction part is pressed, so that air in the drainage bottle enters the support rod through the air inlet part, the air pressure in the drainage bottle is reduced, the air extraction part is pulled, so that the air in the support rod is discharged through the air exhaust part, the air pressure in the drainage bottle is reduced by repeatedly pressing and pulling the air extraction part, the intra-chest effusion suction efficiency of the drainage bottle is improved, the flow regulating valve is regulated, and when the intra-chest effusion absorption of the drainage bottle reaches a certain amount, the drainage bottle is replaced, the intra-chest effusion can be repeatedly extracted, the effusion can be effectively discharged, and the infection risk and treatment cost are reduced;
according to the invention, when the drainage bottle absorbs more accumulated liquid, the weight is increased, so that the compression height of the gravity part is reduced, the connecting cover is driven to move downwards, the magnetic block is attracted to move downwards, the plug block is driven to cancel the sealing of the air inlet pipe, the gas pressure in the drainage bottle is further canceled, the adsorption force between the drainage bottle and the connecting cover can be reduced, the separation of the drainage bottle and the connecting cover is facilitated, and the convenience of replacing the drainage bottle is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic view showing the structure of the support bar, the connection cover and the gravity part of the present invention separated;
FIG. 4 is a cross-sectional view of the present invention;
FIG. 5 is an enlarged view of the invention at A in FIG. 4;
FIG. 6 is an exploded view of the air intake of the present invention;
FIG. 7 is a schematic view of the structure of the connection cap, drainage tube and connection rod of the present invention;
FIG. 8 is a schematic view of the structure of the air extraction and air discharge portions of the present invention;
fig. 9 is a schematic view of the structure of the gravity part of the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. a support rod; 2. a connection cover; 3. a drainage bottle; 4. a drainage tube; 5. a flow regulating valve;
10. an air extraction part; 11. a pull rod; 12. a handle; 13. a piston;
20. an air inlet part; 21. an air inlet pipe; 22. a fixing strip; 23. a slide bar; 24. a chock; 25. a spring; 26. a connecting pipe; 27. a connecting rod; 28. a magnetic block;
30. an exhaust unit; 31. a rubber sheet; 32. a magnetic attraction piece;
40. a gravity part; 41. a fixing ring; 42. an upper support plate; 43. a lower support plate; 44. a compression spring.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the invention. The appearances of the phrase "in one preferred embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Further, in describing the embodiments of the present invention in detail, the cross-sectional view of the device structure is not partially enlarged to a general scale for convenience of description, and the schematic is only an example, which should not limit the scope of protection of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
Referring to fig. 1 to 4, there is provided a drainage device capable of repeatedly extracting hydrothorax, comprising a support rod 1 and an air suction part 10, wherein a connecting cover 2 is installed at the upper part of the support rod 1, a drainage bottle 3 is installed at the lower part of the connecting cover 2, a gravity part 40 is installed at the outer side of the support rod 1 and below the drainage bottle 3, a drainage tube 4 is installed in the connecting cover 2, a flow regulating valve 5 is installed on the drainage tube 4, the air suction part 10 is installed in the support rod 1, an air inlet part 20 is installed at the upper end of the support rod 1, one end of the air inlet part 20 penetrates through the connecting cover 2, the support rod 1 is communicated with the air inlet part 20, and an air exhaust part 30 is installed at the lower end of the air suction part 10;
wherein, pressing the air extraction part 10 makes the gas inside the drainage bottle 3 enter the inside of the support rod 1 through the air inlet part 20, and pulling the air extraction part 10 makes the gas inside the support rod 1 be discharged through the air discharge part 30.
Specifically, when extracting the hydrops, make drainage tube 4 be connected with patient's thorax, press the portion of bleeding 10, make the inside gas of drainage bottle 3 get into the inside of bracing piece 1 through portion of intaking 20, make the inside atmospheric pressure of drainage bottle 3 reduce, the portion of bleeding 10 is pulled, make the inside gaseous of bracing piece 1 discharge through portion of bleeding 30, through pressing repeatedly and pulling portion of bleeding 10, make the inside atmospheric pressure of drainage bottle 3 reduce, increase drainage bottle 3 suction intrathoracic hydrops efficiency, adjust flow control valve 5, through the inside ponding of absorption patient's thorax of drainage bottle 3, when absorption hydrops reaches a certain amount in drainage bottle 3, change drainage bottle 3, can extract the hydrops of intrathoracic portion repeatedly.
In a preferred embodiment, referring to fig. 4 and 8, the air extracting part 10 includes a pull rod 11, a handle 12 and a piston 13, the pull rod 11 is slidably connected to the inside of the support rod 1, the handle 12 is fixed to the upper end of the pull rod 11, the piston 13 is fixed to the lower end of the pull rod 11, and the piston 13 is slidably connected to the support rod 1.
The piston 13 has a plurality of through holes therein for facilitating the gas in the support rod 1 to be discharged through the through holes
It should be noted that the material of the piston 13 is rubber, the piston 13 is in interference fit with the support rod 1, and the tightness between the piston 13 and the support rod 1 is improved.
In this embodiment, when the handle 12 is pressed, the pull rod 11 is moved into the support rod 1, the piston 13 is driven to move downwards in the support rod 1, the volume among the piston 13, the support rod 1 and the air inlet part 20 is increased, the air pressure is reduced, the air in the drainage bottle 3 enters the support rod 1 through the air inlet part 20, when the handle 12 is pulled, the pull rod 11 is moved out of the support rod 1, the piston 13 moves in the support rod 1, the air entering the support rod 1 is compressed, the compressed air pushes the air outlet part 30 to move, the air outlet part 30 is closed off the piston 13, the compressed air is discharged through the through hole, and the air in the drainage bottle 3 can be extracted when the air suction part 10 is pulled and pressed in a reciprocating manner.
Next, referring to fig. 4 and 8 again, the exhaust portion 30 includes a rubber sheet 31 and a magnetic sheet 32, the rubber sheet 31 is disposed at the lower end of the piston 13, one end of the rubber sheet 31 is fixedly connected with the piston 13, and the magnetic sheet 32 is fixed inside the piston 13 and is located at the upper portion of the rubber sheet 31.
The rubber sheet 31 is provided with an iron sheet at a position close to the magnetic sheet 32, so that the magnetic sheet 32 attracts the rubber sheet 31 to seal the piston 13.
When the handle 12 is pressed, the piston 13 is moved downward in the support rod 1, the gas at the lower part of the piston 13 is pushed to be discharged out of the support rod 1, when the handle 12 is pulled, the piston 13 is moved upward in the support rod 1, the gas in the support rod 1 is compressed, the compressed gas generates downward thrust to the rubber sheet 31, and when the downward thrust is greater than the thrust of the rubber sheet 31 and the magnetic attraction sheet 32, the rubber sheet 31 is separated from the piston 13, and the compressed gas is discharged through the through hole.
Still further, referring to fig. 4 to 7, the air inlet portion 20 includes an air inlet tube 21, a fixing bar 22, a sliding bar 23, a plug 24, a spring 25, a connecting tube 26 and an air release member, the air inlet tube 21 is fixed at the upper end of the support rod 1, the fixing bar 22 is fixed inside the air inlet tube 21, the sliding bar 23 is slidably connected inside the fixing bar 22, the plug 24 is fixed at the upper end of the sliding bar 23, the spring 25 is disposed outside the sliding bar 23 and between the fixing bar 22 and the plug 24, the connecting tube 26 is inserted into an end of the air inlet tube 21 far from the support rod 1, an end of the connecting tube 26 far from the air inlet tube 21 penetrates through the connecting cap 2, and the air release member is mounted at the lower end of the sliding bar 23.
It should be noted that, the air release member includes connecting rod 27 and magnetic path 28, connecting rod 27 fixes the lower extreme at slide bar 23, magnetic path 28 fixes the lower extreme at connecting rod 27, the one end that connecting cover 2 is close to magnetic path 28 is provided with magnet, when connecting cover 2 moves down, when connecting cover 2 inside magnet is close to magnetic path 28, will attract magnetic path 28 for magnetic path 28 follows connecting cover 2 and moves down, drives the chock 24 and keeps away from intake pipe 21, cancel the seal to intake pipe 21, make bracing piece 1 and connecting pipe 26 intercommunication, in order to reduce the appeal between drainage bottle 3 and the connecting cover 2.
It should be noted that the lower end of the connecting tube 26 is higher than the lower end of the drainage tube 4, so that the effusion entering the drainage bottle 3 is prevented from being absorbed by the connecting tube 26 when the effusion in the chest cavity is extracted, and the fluxion of the connecting tube 26 is ensured.
When the air extracting portion 10 is pressed, the air pressure inside the support rod 1 is reduced, when the air pressure inside the drainage bottle 3 is greater than the air pressure inside the support rod 1, the air inside the drainage bottle 3 will generate a thrust force to the plug block 24, and the low air pressure inside the support rod 1 will generate a downward attractive force to the plug block 24, so that the plug block 24 cancels the sealing of the air inlet pipe 21, the air inside the drainage bottle 3 enters the support rod 1, when the air extracting portion 10 is pulled, the air inside the support rod 1 will be compressed, the compressed air will generate a thrust force to the plug block 24, so that the plug block 24 tightly seals the air inlet pipe 21, the air is prevented from entering the drainage bottle 3, the compressed air will push the air exhausting portion 30 away from the piston 13, the sealing of the piston 13 is cancelled, and the flow of the compressed air inside the support rod 1 is ensured.
Still further, referring to fig. 9, the gravity portion 40 includes a fixing ring 41, an upper support plate 42, a lower support plate 43 and a compression spring 44, wherein the fixing ring 41 is slidably connected to the outer side of the support rod 1 and located below the drainage bottle 3, the upper support plate 42 is rotatably connected to the inner side of the fixing ring 41, the lower support plate 43 is fixed to the outer side of the support rod 1 and located below the fixing ring 41, and the compression spring 44 is disposed between the upper support plate 42 and the lower support plate 43.
Above-mentioned, when drainage bottle 3 absorbs the hydrops of thorax inside, drainage bottle 3 will continuously weigh, produce an ascending thrust to last backup pad 42 for last backup pad 42 compresses pressure spring 44 and produces the elasticity, make drainage bottle 3 continuously move down, be driven connecting cover 2 and move down, when changing drainage bottle 3, when rotating drainage bottle 3, will drive the inside rotation of last backup pad 42 at solid fixed ring 41, make drainage bottle 3 and connecting cover 2 separation after, after changing new drainage bottle 3, through the elasticity of pressure spring 44, make last backup pad 42 resume the original state, and then make connecting cover 2 resume original position.
The working principle of the invention is as follows: when extracting the hydrops, make drainage tube 4 be connected with patient's thorax, press the portion of bleeding 10, make the inside gas of drainage bottle 3 get into the inside of bracing piece 1 through portion of intaking 20, make the inside atmospheric pressure of drainage bottle 3 reduce, the portion of bleeding 10 is pulled, make the inside gaseous of bracing piece 1 discharge through exhaust portion 30, through pressing repeatedly and pulling portion of bleeding 10, make the inside atmospheric pressure of drainage bottle 3 reduce, increase drainage bottle 3 suction hydrothorax efficiency, adjust flow control valve 5, absorb the ponding inside patient's thorax through drainage bottle 3, when drainage bottle 3 internal absorption hydrops reaches a certain amount, change drainage bottle 3, can extract the hydrothorax inside repeatedly, can get rid of ponding effectively, the risk of infection and treatment cost are reduced.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.

Claims (7)

1. A drainage device for repeatedly withdrawing pleural effusion, comprising:
the device comprises a supporting rod (1), wherein a connecting cover (2) is arranged on the upper portion of the supporting rod (1), a drainage bottle (3) is arranged on the lower portion of the connecting cover (2), a gravity part (40) is arranged on the outer side of the supporting rod (1) and below the drainage bottle (3), a drainage tube (4) is arranged in the connecting cover (2), and a flow regulating valve (5) is arranged on the drainage tube (4);
the air extraction part (10), the air extraction part (10) is arranged in the support rod (1), the upper end of the support rod (1) is provided with an air inlet part (20), one end of the air inlet part (20) penetrates through the connecting cover (2), the support rod (1) is communicated with the air inlet part (20), and the lower end of the air extraction part (10) is provided with an air exhaust part (30);
the air extraction part (10) is pressed, so that air in the drainage bottle (3) enters the support rod (1) through the air inlet part (20), and the air extraction part (10) is pulled, so that the air in the support rod (1) is discharged through the air discharge part (30);
the air inlet part (20) comprises an air inlet pipe (21), a fixing strip (22), a sliding rod (23), a plug block (24), a spring (25), a connecting pipe (26) and an air release piece, wherein the air inlet pipe (21) is fixed at the upper end of the supporting rod (1), the fixing strip (22) is fixed inside the air inlet pipe (21), the sliding rod (23) is connected inside the fixing strip (22) in a sliding mode, the plug block (24) is fixed at the upper end of the sliding rod (23), the spring (25) is arranged outside the sliding rod (23) and located between the fixing strip (22) and the plug block (24), the connecting pipe (26) is inserted into one end, far away from the supporting rod (1), of the connecting pipe (26) penetrates through the connecting cover (2), and the air release piece is arranged at the lower end of the sliding rod (23).
The air release piece comprises a connecting rod (27) and a magnetic block (28), the connecting rod (27) is fixed at the lower end of the sliding rod (23), the magnetic block (28) is fixed at the lower end of the connecting rod (27), one end, close to the magnetic block (28), of the connecting cover (2) is provided with a magnet, when the connecting cover (2) moves downwards, the magnet inside the connecting cover (2) attracts the magnetic block (28) when the magnet is close to the magnetic block (28), so that the magnetic block (28) moves downwards along with the connecting cover (2), the plug block (24) is driven to be far away from the air inlet pipe (21), sealing of the air inlet pipe (21) is canceled, and the supporting rod (1) is communicated with the connecting pipe (26) to reduce attractive force between the drainage bottle (3) and the connecting cover (2);
the gravity portion (40) comprises a fixed ring (41), an upper supporting plate (42), a lower supporting plate (43) and a pressure spring (44), wherein the fixed ring (41) is slidably connected to the outer side of the supporting rod (1) and located below the drainage bottle (3), the upper supporting plate (42) is rotatably connected to the inner portion of the fixed ring (41), the lower supporting plate (43) is fixed to the outer side of the supporting rod (1) and located below the fixed ring (41), and the pressure spring (44) is arranged between the upper supporting plate (42) and the lower supporting plate (43).
2. Drainage device capable of repeatedly extracting pleural effusion according to claim 1, characterized in that the air extraction part (10) comprises a pull rod (11), a handle (12) and a piston (13), wherein the pull rod (11) is slidably connected inside the support rod (1), the handle (12) is fixed at the upper end of the pull rod (11), the piston (13) is fixed at the lower end of the pull rod (11), and the piston (13) is slidably connected with the support rod (1).
3. Drainage device for repeatedly extracting hydrothorax according to claim 2, characterized in that the piston (13) is internally provided with a plurality of through holes.
4. Drainage device capable of repeatedly extracting hydrothorax according to claim 2, characterized in that the material of the piston (13) is rubber, and the piston (13) is in interference fit with the supporting rod (1).
5. The drainage device capable of repeatedly extracting hydrothorax according to claim 2, wherein the exhaust part (30) comprises a rubber sheet (31) and a magnetic suction sheet (32), the rubber sheet (31) is arranged at the lower end of the piston (13), one end of the rubber sheet (31) is fixedly connected with the piston (13), and the magnetic suction sheet (32) is fixed in the piston (13) and is positioned at the upper part of the rubber sheet (31).
6. Drainage device for repeatedly extracting hydrothorax according to claim 5, characterized in that the rubber sheet (31) is internally provided with an iron sheet close to the magnetic sheet (32).
7. Drainage device for repeatedly extracting pleural effusion according to claim 1, characterized in that the height of the lower end of the connecting tube (26) is higher than the height of the lower end of the drainage tube (4).
CN202310398171.3A 2023-04-14 2023-04-14 Drainage device capable of repeatedly extracting hydrothorax Active CN116370726B (en)

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CN116370726B true CN116370726B (en) 2024-03-08

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CN114470357A (en) * 2022-02-08 2022-05-13 朱晓静 Anti-pollution collecting bottle of pleural effusion
CN114681696A (en) * 2022-03-19 2022-07-01 伏志杰 Anhydrous mute closed thoracic drainage device

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