Negative pressure drainage device

Abstract

The negative pressure drainage device comprises a negative pressure barrel, a drainage bag and a cover body, the bottom of the cover body is connected with an opening in the upper end of the drainage bag, the cover body covers the top of the negative pressure barrel, and the drainage bag is arranged in the negative pressure barrel; the device further comprises a hanging tool, the hanging tool comprises a mounting base, a connecting rod, a fastening bolt and a U-shaped clamping plate, the mounting base is arranged on the outer wall of the negative pressure barrel, and the lower end of the connecting rod is arranged on the mounting base, can rotate based on the mounting base and can be locked through the fastening bolt. And the U-shaped clamping plate is arranged at the upper end of the connecting rod. The hanging tool is additionally arranged, so that the device can be hung on a surrounding fixing structure, the problem that the negative pressure barrel is easy to turn over in the using process of the device is solved, and the stability in the operation process is improved.

Description

Technical Field

[0001] The utility model relates to the field of medical instruments, in particular to a negative pressure drainage device. Background Art

[0002] Negative pressure drainage is an important medical device used to collect and treat waste fluids generated during medical treatment. It mainly includes negative pressure suction bags, chest closed drainage bottles, waste fluid storage bottles, etc. Negative pressure drainage is also commonly used in sputum suction to remove secretions from the patient's respiratory tract. Negative pressure drainage devices on the market have different capacities and designs to meet different medical needs.

[0003] Chinese patent CN108815591A discloses a no-cleaning negative pressure collection bucket, including a collection bucket body, a bucket cover and a plastic bag; the collection bucket body and the bucket cover are detachably connected and define their inner cavity, and the plastic bag is installed in the inner cavity of the collection bucket; there are an air inlet pipe and an air outlet pipe on the bucket cover; one end of the air inlet pipe is connected to the hose of the negative pressure drainer, and the other end is connected to the inner cavity of the collection bucket; one end of the air outlet pipe is connected to the outside and the other end is connected to the inner cavity of the collection bucket; the collection bucket body is provided with an air pressure regulating device and two cavities are formed in the inner cavity of the collection bucket; one cavity is used to install a plastic bag; the top of the air pressure regulating device passes through the plastic bag to connect the two cavities in the collection bucket to achieve air pressure balance. Since two cavities are formed inside the collection bucket body, the principle of a communicating vessel is used when installing a plastic bag to collect waste, so as to prevent the plastic bag from being deformed during the drainage process, so that any plastic bag can be used without the need to use a customized collection bag, which not only reduces costs but also eliminates the need to clean the collection bucket body, and is easy to operate.

[0004] Chinese patent CN219090434U discloses an improved negative pressure drainage assembly, including a bottle body, a cover body, a bag body, a connecting pipe and a guide pipe, the bag body is connected to the cover body as a whole, the cover body is aligned and covered at the bottle mouth of the bottle body, the bag body is arranged inside the bottle body, the cover body is provided with an inhalation port and a first suction port connected to the bag body, the guide pipe is sleeved on the inhalation port, the bottle body is provided with a second suction port connected to the inside of the bottle body, the first suction port is sleeved with a three-way pipe, one end of the connecting pipe is mounted on the second suction port, and the other end is connected to the three-way pipe, the periphery of the cover body is evenly provided with buckles, and the outer end of the bottle mouth of the bottle body is provided with a first annular convex edge adapted to the buckle. The utility model does not use a one-way cross-over method to lock the cover body and the bottle body, but uses a plurality of buckles evenly arranged to complete the overlap and locking in all directions, so that the tightness of the cover body is stronger, which meets the airtightness requirements of negative pressure drainage.

[0005] When the negative pressure drainage device is in use, the collection bucket or bottle is generally placed on the ground. During operation, it is easy for the device to overturn due to the pulling of the pipeline or being kicked by people walking. The above patents have not improved this technical problem. Utility Model Content

[0006] The utility model aims to provide a negative pressure drainage device to solve the problem that the negative pressure barrel of the device is easy to overturn during use.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A negative pressure drainage device comprises a negative pressure barrel, a drainage bag, and a cover body, wherein the bottom of the cover body is connected to the upper opening of the drainage bag, the cover body covers the top of the negative pressure barrel, and the drainage bag is placed in the negative pressure barrel; it also comprises a hanger, the hanger comprises a mounting seat, a connecting rod, a fastening bolt, and a U-shaped clamp, the mounting seat is arranged on the outer wall of the negative pressure barrel, the lower end of the connecting rod is arranged on the mounting seat, can be rotated based on the mounting seat, and can be locked by the fastening bolt; the U-shaped clamp is arranged at the upper end of the connecting rod.

[0009] Furthermore, a drainage tube and a negative pressure tube are provided on the cover body, and the lower ends of the drainage tube and the negative pressure tube are connected to the drainage bag.

[0010] Furthermore, it also includes a fastener, which includes an axle seat, a rotating shaft, a rotating rod, and a hook; the axle seat is arranged on the upper part of the outer wall of the negative pressure barrel, the rotating shaft is arranged on the axle seat, one end of the rotating rod is arranged on the rotating shaft, and the other end extends across the cover body to the other side of the negative pressure barrel; the outer wall of the opening of the negative pressure barrel is provided with an annular outer edge; the hook is arranged on the extended end of the rotating rod and can be hooked on the annular outer edge.

[0011] Furthermore, it also includes a reinforcement device, which includes a reinforcement plate and a reinforcement bolt. The reinforcement bolt is vertically arranged on the U-shaped clamping plate, and its front end extends into the U-shaped clamping plate; the reinforcement plate is arranged on the front end of the reinforcement bolt.

[0012] Furthermore, it also includes a universal wheel, which is arranged at the bottom of the negative pressure barrel.

[0013] Furthermore, it also includes a three-way head, which is arranged on the side wall of the negative pressure barrel, one end of which is connected to the negative pressure barrel, and the other two ends are connected to the negative pressure pipe.

[0014] Furthermore, a drainage port is provided at the bottom of the drainage bag, and a drainage valve is provided on the drainage port.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The utility model is provided with a hanger, which can hang the device on a surrounding fixed structure to prevent the negative pressure barrel from tipping over during operation, resulting in unstable operation.

[0017] 2. The utility model hanger is provided with a reinforcement device, so that the hanger can adapt to rods of different sizes and can be adjusted in tightness, thereby increasing the clamping force and improving the stability of the device.

[0018] 3. The drainage tube and the negative pressure tube of the utility model are integrally connected with the cover body, thereby preventing the drainage tube and the negative pressure tube from falling off during operation.

[0019] 4. The buckle of the utility model adopts the combination of a rotating rod, a hook and an annular outer edge, which can not only play a good role in limiting and stabilizing the cover body, but also can be opened quickly to improve work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0021] Figure 2 This is a schematic diagram of the main structure of the utility model (with a drainage bag);

[0022] Figure 3 This is a schematic diagram of the top view structure of the utility model;

[0023] Figure 4 This is a left-side structural schematic diagram of the utility model;

[0024] Figure 5 It is a schematic diagram of the structure of the utility model after pipeline connection.

[0025] The serial numbers and names in the figure are as follows:

[0026] 1-negative pressure barrel; 2-drainage bag; 3-cover; 4-mounting seat; 5-connecting rod; 6-fastening bolt; 7-U-shaped splint; 8-drainage tube; 9-negative pressure tube; 10-axle seat; 11-rotating shaft; 12-rotating rod; 13-hook; 14-annular outer edge; 15-reinforcement plate; 16-reinforcement bolt; 17-universal wheel; 18-tee head; 19-drainage port; 20-paddle. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Example

[0029] A negative pressure drainage device, such as Figures 1 to 4As shown, it includes a negative pressure barrel 1, a drainage bag 2, and a cover body 3; the bottom of the cover body 3 is connected to the upper opening of the drainage bag 2, the cover body 3 covers the top of the negative pressure barrel 1, and the drainage bag 2 is placed in the negative pressure barrel 1; it also includes a hanger, the hanger includes a mounting seat 4, a connecting rod 5, a fastening bolt 6, and a U-shaped clamp 7, the mounting seat 4 is arranged on the outer wall of the negative pressure barrel 1, the mounting seat 4 is provided with a transverse through hole Ⅰ, the lower end of the connecting rod 5 is provided with a through hole Ⅱ corresponding to the through hole Ⅰ, and the inner walls of the through holes Ⅰ and Ⅱ are provided with internal threads , by screwing the fastening bolts 6 into the through holes Ⅰ and Ⅱ, the connecting rod 5 can be fixed on 11, loosening the fastening bolts 6, the connecting rod 5 can be rotated to a suitable position based on the mounting seat 4, and then tightening the fastening bolts 6 to fix it; the U-shaped clamp 7 is arranged at the upper end of the connecting rod 5, with the opening facing downward, and the connecting rod 5 is connected to the bottom of one side of the U-shaped clamp 7. The connection can also be made in a rotating connection, so that the U-shaped clamp 7 can be rotated to change the direction of the opening, so that it can be hung on a horizontal rod, a vertical rod or a diagonal rod. The top edge of the cover body 3 is provided with a paddle 20, which is convenient for removing the cover body 3 from the negative pressure barrel 1.

[0030] In this embodiment, the cover body 3 is provided with a connection head for the drainage tube 8 and the negative pressure tube 9, and the drainage tube 8 and the negative pressure tube 9 are integrally connected to the connection head to prevent them from falling off; the lower end of the connection head is connected to the drainage bag 2, and the upper end of the drainage tube 8 is connected to the suction device to introduce the sucked sputum and waste into the drainage bag 2 for collection; the upper end of the negative pressure tube 9 is connected to the negative pressure device to provide a negative pressure environment for the drainage bag 2 so that drainage can be carried out continuously.

[0031] In the present embodiment, a fastener is also included, which includes an axle seat 10, a rotating shaft 11, a rotating rod 12, and a hook 13; the axle seat 10 is arranged on the upper part of the outer wall of the negative pressure barrel 1, and the rotating shaft 11 is arranged on the axle seat 10 in the transverse direction; the rotating rod 12 is bent, one end of which is connected to the rotating shaft 11 and can rotate based on the rotating shaft 11, and the other end crosses over the cover body 3 and extends to the other side of the negative pressure barrel 1; the hook 13 is arranged on the extended end of the rotating rod 12; the outer wall of the opening of the negative pressure barrel 1 is provided with an annular outer edge 14, and the hook 13 can be hooked on the annular outer edge 14, so as to lock and fix the cover body 3.

[0032] In this embodiment, a reinforcing device is also included, and the reinforcing device includes a reinforcing plate 15 and a reinforcing bolt 16. The reinforcing bolt 15 is vertically arranged on the side plate on either side of the U-shaped clamp 7, and its front end extends into the U-shaped clamp 7, and the twisting head is outside the U-shaped clamp 7; the reinforcing plate 16 is arranged on the front end of the reinforcing bolt 15 and is located inside the U-shaped clamp 7; when the reinforcing bolt 15 is twisted, the reinforcing plate 16 moves forward or backward to fine-tune the tightness of the clamping of the U-shaped clamp 7. An elastic panel is arranged on the inner side of the U-shaped clamp 7, and the elastic panel can be made of foam rubber material, has a deformation function, and can play a role of anti-slip and reinforcement.

[0033] In this embodiment, a universal wheel 17 is also included, and the universal wheel 17 is arranged at the bottom of the negative pressure barrel 1. The universal wheel 17 can be semi-hidden, and a brake structure is installed, and the brake is braked by stepping. The brake structure can be implemented by a conventional structure currently available on the market.

[0034] In this embodiment, a three-way head 18 is also included. The three-way head 18 is arranged on the side wall of the negative pressure barrel 1. One end of the three-way head 18 is connected to the negative pressure barrel 1, and the other two ends are connected to the negative pressure tube 9, so that the negative pressure tube 9 is connected to the inner cavity of the drainage bag 2 and the negative pressure barrel 1 at the same time, and a negative pressure environment is provided for the drainage bag 2 and the negative pressure barrel 1 at the same time. Under the action of negative pressure, the drainage bag 2 can maintain an expanded state, which helps to prevent the bag body from collapsing, thereby ensuring that the drainage channel is unobstructed.

[0035] In this embodiment, a drain port 19 is provided at the bottom of the drainage bag 2 to facilitate the discharge of waste in the drainage bag 2 , and a drain valve is provided on the drain port 19 .

[0036] The method of using the utility model is:

[0037] Since the bottom of the cover 3 is connected to the upper opening of the drainage bag 2, the drainage bag 2 is directly placed in the negative pressure barrel 1, and the cover 3 is tightly covered on the top of the negative pressure barrel 1; the negative pressure tube 9 is connected to the negative pressure device, and the drainage tube 8 is connected to the suction device; there are universal wheels 17 at the bottom of the negative pressure barrel 1, and the device can be moved to a suitable position, and then the reinforcing bolts 15 are loosened first, the U-shaped clamp 7 is hung on a suitable rod-shaped structure, and then the reinforcing bolts 15 are tightened to fix the device; the suction operation can be performed by turning on the negative pressure device and the suction device, and the negative pressure gauge on the negative pressure device monitors the negative pressure situation in real time, continuously provides a negative pressure environment, and ensures the continuity of sputum collection. A drainage port 19 is provided at the bottom of the drainage bag 2 for drainage.

[0038] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A negative pressure drainage device, comprising a negative pressure barrel (1), a drainage bag (2), and a cover body (3), wherein the bottom of the cover body (3) is connected to the upper opening of the drainage bag (2), the cover body (3) covers the top of the negative pressure barrel (1), and the drainage bag (2) is placed in the negative pressure barrel (1), characterized in that: The invention also comprises a hanger, which comprises a mounting seat (4), a connecting rod (5), a fastening bolt (6), and a U-shaped clamp (7); the mounting seat (4) is arranged on the outer wall of the negative pressure barrel (1); the lower end of the connecting rod (5) is arranged on the mounting seat (4), can be rotated based on the mounting seat (4), and can be locked by the fastening bolt (6); the U-shaped clamp (7) is arranged at the upper end of the connecting rod (5).

2. The negative pressure drainage device according to claim 1, characterized in that: The cover body (3) is provided with a drainage tube (8) and a negative pressure tube (9), and the lower ends of the drainage tube (8) and the negative pressure tube (9) are in communication with the drainage bag (2).

3. The negative pressure drainage device according to claim 1, characterized in that: It also includes a fastener, which includes an axle seat (10), a rotating shaft (11), a rotating rod (12), and a hook (13); the axle seat (10) is arranged on the upper part of the outer wall of the negative pressure barrel (1), the rotating shaft (11) is arranged on the axle seat (10), one end of the rotating rod (12) is arranged on the rotating shaft (11), and the other end crosses over the cover body (3) and extends to the other side of the negative pressure barrel (1); the outer wall of the opening of the negative pressure barrel (1) is provided with an annular outer edge (14); the hook (13) is arranged on the extended end of the rotating rod (12) and can be hooked on the annular outer edge (14).

4. The negative pressure drainage device according to claim 3, characterized in that: It also includes a reinforcement device, which includes a reinforcement plate (15) and a reinforcement bolt (16). The reinforcement bolt (16) is vertically arranged on the U-shaped clamping plate (7), and its front end extends into the U-shaped clamping plate (7); the reinforcement plate (15) is arranged on the front end of the reinforcement bolt (16).

5. The negative pressure drainage device according to claim 1, characterized in that: It also includes a universal wheel (17), and the universal wheel (17) is arranged at the bottom of the negative pressure barrel (1).

6. The negative pressure drainage device according to claim 1, characterized in that: It also includes a three-way head (18), which is arranged on the side wall of the negative pressure barrel (1), one end of which is connected to the negative pressure barrel (1), and the other two ends are connected to the negative pressure pipe (9).

7. The negative pressure drainage device according to claim 1, characterized in that: The bottom of the drainage bag (2) is provided with a liquid discharge port (19).

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