Negative pressure aspirator

Abstract

The utility model discloses a negative pressure aspirator which comprises a negative pressure bottle, the top of the negative pressure bottle is of an open structure, the top of the negative pressure bottle is in threaded connection with a drainage bag cover, an installation base is fixedly installed on the top of the inner wall of the drainage bag cover, the top and the bottom of the installation base are both of an open structure, and an annular connector is movably connected to the lower portion of the interior of the installation base in an inserted mode. The negative pressure bottle, the drainage bag cover, the mounting seat, the annular connector, the drainage bag, the threaded pipe, the cover plate, the clamping groove, the clamping mechanism, the movable groove, the movable plate, the stud, the threaded groove, the handle, the clamping block, the guide column, the negative pressure pipe, the negative pressure pumping device, the liquid inlet pipe, the liquid suction catheter and the sealing ring are matched with one another. The drainage bag and the drainage bag cover can be detached conveniently, later recycling is facilitated, liquid collected in the drainage bag can be discharged conveniently, and great convenience is provided for a user.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to a negative pressure aspirator. Background Art

[0002] Surgical drainage refers to the drainage of fluids in body cavities, joint cavities, organs or tissues, including blood, pus, inflammatory exudates, bile, secretions, cystic fluid, etc., out of the body (external drainage) or to another place in the body (internal drainage) (such as the intestinal cavity, bladder, blood vessels), so as to prevent or treat the harm to the body caused by the accumulated fluid.

[0003] At present, as shown in the patent application number CN201520163474.8, the utility model relates to a negative pressure suction device that prevents air leakage and misabsorption. It includes a drainage bag, a drainage bag cover, a holding cup, a three-way pipe and a connecting pipe. The drainage bag is installed in the holding cup. The outer side of the lower end of the drainage bag cover is designed with a thread, and the inner side of the upper end of the holding cup is correspondingly designed with a thread. The upper end thread of the drainage bag cover is screwed into the thread of the upper end of the holding cup. There is an air extraction hole on the wall of the holding cup. One end of the three-way pipe is connected to the air extraction hole on the holding cup, and the other end of the three-way pipe is connected to the air extraction hole on another holding cup. The middle port of the three-way pipe is connected to the negative pressure extraction device. The upper end of the drainage bag cover is designed with an inlet pipe and an outlet pipe, and the upper ends of the two drainage bag covers are connected by a connecting pipe.

[0004] However, in actual use, the above patented negative pressure aspirator has the following defects:

[0005] 1. It is not convenient to separate the drainage bag and the drainage bag cover, and it is not convenient to recycle;

[0006] 2. It is inconvenient to discharge the liquid collected in the drainage bag, causing great inconvenience to the user.

[0007] To this end, we propose a negative pressure aspirator. Utility Model Content

[0008] The purpose of the utility model is to provide a negative pressure aspirator to solve the problems raised in the above background technology.

[0009] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a negative pressure aspirator, comprising:

[0010] A negative pressure bottle, the top of which is an open structure;

[0011] A drainage bag cover, the top of the negative pressure bottle is threadedly connected with the drainage bag cover;

[0012] A mounting seat, wherein the top of the inner wall of the drainage bag cover is fixedly mounted with the mounting seat, and the top and bottom of the mounting seat are both open structures;

[0013] An annular connector, the inner bottom of the mounting seat is movably plugged with an annular connector;

[0014] A drainage bag, wherein the bottom of the annular connector is fixedly connected to the drainage bag, the bottom of the drainage bag is fixedly connected to a threaded tube, and the bottom of the threaded tube is threadedly connected to a cover plate;

[0015] A card slot is provided on both the left and right sides of the annular connector;

[0016] A clamping mechanism, wherein the mounting seat is provided with a clamping mechanism;

[0017] A negative pressure tube, a negative pressure tube is fixedly installed on the top of the drainage bag cover, the negative pressure tube and the mounting seat are communicated with each other, a negative pressure pumping device is fixedly installed on the top of the negative pressure tube, and a safety valve is installed on the negative pressure tube, a liquid inlet tube is also fixedly installed on the top of the drainage bag cover, a liquid suction catheter is movably connected to the top of the liquid inlet tube, and the liquid inlet tube and the liquid suction catheter are communicated with each other;

[0018] A sealing ring is fixedly connected to the top of the annular connector, and the surface of the sealing ring is movably fitted to the inner wall of the mounting seat.

[0019] A bedside hook is fixedly installed on the upper left side of the negative pressure bottle;

[0020] A stop valve is installed on the liquid inlet pipe;

[0021] Anti-overflow valve: an anti-overflow valve is installed in the annular connector.

[0022] Furthermore, the clamping mechanism includes a movable groove, a movable plate, a bearing, a stud, a threaded groove, a handle, a clamping block and a guide column. The left and right sides of the mounting seat are both provided with movable grooves, and a movable plate is movably connected to one side of the movable groove close to the annular connector.

[0023] Furthermore, a bearing is fixedly connected to the bottom of the movable plate away from the annular connector, a stud is rotatably connected to the bearing away from the annular connector, and threaded grooves are provided on both sides of the mounting seat corresponding to the positions of the studs.

[0024] Furthermore, one end of the stud away from the bearing passes through the movable groove and the thread groove in sequence and extends to the outside of the thread groove and is fixedly connected with a handle, and the stud is threadedly connected to the thread groove.

[0025] Furthermore, a clamping block is fixedly connected to a side of the movable plate away from the handle, and a side of the clamping block away from the movable plate sequentially penetrates the movable groove and the clamping groove and extends to the inside of the clamping groove.

[0026] Furthermore, the clamping block is movably connected to the clamping slot, the clamping block is movably engaged with the clamping slot, and a guide column is fixedly connected to the upper side of the movable plate away from the clamping block.

[0027] Furthermore, the side of the guide column away from the movable plate sequentially penetrates the movable groove and the mounting seat and extends to the outside of the mounting seat, and the guide column is movably connected to the mounting seat.

[0028] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0029] 1. The utility model cooperates with each other through the negative pressure bottle, the drainage bag cover, the mounting seat, the annular connector, the drainage bag, the threaded tube, the cover plate, the slot, the snap-fit ​​mechanism, the movable slot, the movable plate, the stud, the threaded slot, the handle, the block, the guide column, the negative pressure tube, the negative pressure extraction device, the liquid inlet tube, the liquid suction catheter and the sealing ring, which not only facilitates the separation of the drainage bag and the drainage bag cover, but also facilitates the subsequent recycling and the discharge of the liquid collected in the drainage bag, thereby providing great convenience to the user.

[0030] 2. By setting a bedside hook, it is convenient to hang the device on the bedside. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 This is a front view structural schematic diagram of the utility model;

[0032] Figure 2 This is a schematic diagram of the structure of the drainage bag of the utility model;

[0033] Figure 3 This is a schematic diagram of the structure of the drainage bag cover of the utility model;

[0034] Figure 4 For this utility model Figure 1 A is an enlarged schematic diagram.

[0035] In the figure: 1. negative pressure bottle; 2. drainage bag cover; 3. mounting seat; 4. annular connector; 5. drainage bag; 6. threaded tube; 7. cover plate; 8. slot; 9. snap-on mechanism; 901. movable slot; 902. movable plate; 903. stud; 904. threaded slot; 905. handle; 906. block; 907. guide column; 10. negative pressure tube; 11. negative pressure extraction device; 12. liquid inlet tube; 13. liquid suction catheter; 14. sealing ring; 15. bedside hook; 16. anti-overflow valve. DETAILED DESCRIPTION

[0036] 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.

[0037] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model 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 therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0038] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0039] See also Figure 1-4A negative pressure aspirator comprises a negative pressure bottle 1, the top of the negative pressure bottle 1 is an open structure, the top of the negative pressure bottle 1 is threadedly connected with a drainage bag cover 2, the top of the inner wall of the drainage bag cover 2 is fixedly installed with a mounting seat 3, the top and bottom of the mounting seat 3 are both open structures, an annular connector 4 is movably inserted at the lower part of the inside of the mounting seat 3, the bottom of the annular connector 4 is fixedly connected with a drainage bag 5, the bottom of the drainage bag 5 is fixedly connected with a threaded tube 6, the bottom of the threaded tube 6 is threadedly connected with a cover plate 7, the left and right sides of the annular connector 4 are provided with card slots 8, a card connection mechanism 9 is provided on the mounting seat 3, the top of the drainage bag cover 2 is fixed A negative pressure tube 10 is installed, and the negative pressure tube 10 and the mounting seat 3 are interconnected. A negative pressure extraction device 11 is fixedly installed on the top of the negative pressure tube 10, and a safety valve is installed on the negative pressure tube 10. A liquid inlet tube 12 is also fixedly installed on the top of the drainage bag cover 2, and a liquid suction catheter 13 is movably connected to the top of the liquid inlet tube 12. The liquid inlet tube 12 and the liquid suction catheter 13 are interconnected. A sealing ring 14 is fixedly connected to the top of the annular connector 4, and the surface of the sealing ring 14 is movably fitted with the inner wall of the mounting seat 3. A bedside hook 15 is fixedly installed on the upper left side of the negative pressure bottle 1, and an anti-overflow valve 16 is installed in the annular connector 4.

[0040] Specifically, the clamping mechanism 9 includes a movable groove 901, a movable plate 902, a bearing, a stud 903, a threaded groove 904, a handle 905, a clamping block 906 and a guide column 907. Movable grooves 901 are provided on both sides of the left and right inside the mounting seat 3, and a movable plate 902 is movably connected to one side of the movable groove 901 close to the annular connector 4.

[0041] During the specific implementation, a bearing is fixedly connected to the bottom of the movable plate 902 away from the annular connector 4, and a stud 903 is rotatably connected to the side of the bearing away from the annular connector 4. Threaded grooves 904 are provided on both sides of the mounting seat 3 corresponding to the positions of the stud 903.

[0042] Specifically, one end of the stud 903 away from the bearing passes through the movable groove 901 and the thread groove 904 in sequence and extends to the outside of the thread groove 904 and is fixedly connected with a handle 905 . The stud 903 and the thread groove 904 are threadedly connected.

[0043] In specific implementation, a clamping block 906 is fixedly connected to a side of the movable plate 902 away from the handle 905 , and a side of the clamping block 906 away from the movable plate 902 sequentially penetrates the movable slot 901 and the clamping slot 8 and extends to the inside of the clamping slot 8 .

[0044] Specifically, the clamping block 906 is movably connected to the clamping slot 8 , and the clamping block 906 is movably engaged with the clamping slot 8 . A guide column 907 is fixedly connected to the upper side of the movable plate 902 away from the clamping block 906 .

[0045] During specific implementation, the side of the guide column 907 away from the movable plate 902 passes through the movable groove 901 and the mounting seat 3 in sequence and extends to the outside of the mounting seat 3 , and the guide column 907 is movably connected to the mounting seat 3 .

[0046] In actual application: when the liquid in the drainage bag 5 needs to be discharged, it is only necessary to rotate the drainage bag cover 2 counterclockwise, so that the drainage bag cover 2 can be separated from the negative pressure bottle 1 under the action of the thread, thereby taking the drainage bag 5 out of the negative pressure bottle 1, and then it is only necessary to rotate the cover plate 7 counterclockwise, so that the cover plate 7 can be separated from the threaded tube 6 under the action of the thread, and then the liquid in the drainage bag 5 can be quickly discharged through the threaded tube 6. When the drainage bag 5 needs to be separated from the drainage bag cover 2, it is only necessary to rotate the handle 905 counterclockwise to drive the stud 903 to rotate, thereby causing the stud 903 to move in the threaded groove 904 to the side away from the annular connector 4, thereby driving the movable plate 902, the block 906 and the guide column 907 to move to the side away from the slot 8, thereby causing the block 906 to disengage from the slot 8, and then pulling the drainage bag 5 downward to cause the annular connector 4 and the sealing ring 14 to disengage from the mounting seat 3. Through the above steps, the drainage bag 5 can be conveniently separated from the drainage bag cover 2, thereby facilitating recycling.

[0047] All components in the present invention are universal standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods. At the same time, standard parts used in the present application documents can be purchased from the market, and each component in the present application document can be customized according to the description in the specification and drawings. The specific connection method of each component adopts conventional means such as mature bolts, rivets, welding, etc. in the prior art, and machinery, parts and equipment adopt conventional models in the prior art.

[0048] Through the personnel in this field, all the electrical components in this case are connected to their corresponding power supplies through wires, and appropriate controllers and encoders should be selected according to actual conditions to meet the control requirements. The specific connection and control sequence should refer to the working principle, and the electrical connection between the electrical components should be completed in the order of working in sequence. The detailed connection means are well-known technologies in this field. The utility model mainly introduces the working principle and process, and no longer explains the electrical control.

[0049] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A negative pressure aspirator, characterized in that: include: A negative pressure bottle (1), wherein the top of the negative pressure bottle (1) is an open structure; A drainage bag cover (2), wherein the top of the negative pressure bottle (1) is threadedly connected to the drainage bag cover (2); A mounting seat (3), the mounting seat (3) being fixedly mounted on the top of the inner wall of the drainage bag cover (2), and the top and bottom of the mounting seat (3) are both open structures; An annular connector (4), the annular connector (4) being movably plugged into the lower part of the interior of the mounting seat (3); A drainage bag (5), wherein the bottom of the annular connector (4) is fixedly connected to the drainage bag (5), the bottom of the drainage bag (5) is fixedly connected to a threaded tube (6), and the bottom of the threaded tube (6) is threadedly connected to a cover plate (7); A card slot (8), wherein the left and right sides of the annular connector (4) are both provided with a card slot (8); A clamping mechanism (9), wherein the mounting seat (3) is provided with a clamping mechanism (9); A negative pressure tube (10), the top of the drainage bag cover (2) is fixedly mounted with a negative pressure tube (10), the negative pressure tube (10) and the mounting seat (3) are in communication with each other, the top of the negative pressure tube (10) is fixedly mounted with a negative pressure extraction device (11), and a safety valve is installed on the negative pressure tube (10), the top of the drainage bag cover (2) is also fixedly mounted with a liquid inlet tube (12), the top of the liquid inlet tube (12) is movably connected with a liquid suction catheter (13), and the liquid inlet tube (12) and the liquid suction catheter (13) are in communication with each other; A sealing ring (14), wherein the top of the annular connector (4) is fixedly connected with the sealing ring (14), and the surface of the sealing ring (14) is movably fitted with the inner wall of the mounting seat (3); A bedside hook (15), wherein the bedside hook (15) is fixedly installed on the upper left side of the negative pressure bottle (1); An anti-overflow valve (16), wherein an anti-overflow valve (16) is installed in the annular connector (4).

2. A negative pressure aspirator according to claim 1, characterized in that: The clamping mechanism (9) comprises a movable groove (901), a movable plate (902), a bearing, a stud (903), a threaded groove (904), a handle (905), a clamping block (906) and a guide column (907). The movable groove (901) is provided on both the left and right sides of the interior of the mounting seat (3). The movable plate (902) is movably connected to one side of the movable groove (901) close to the annular connector (4).

3. A negative pressure aspirator according to claim 2, characterized in that: A bearing is fixedly connected to the bottom of the movable plate (902) on the side away from the annular connector (4), and a stud (903) is rotatably connected to the side of the bearing away from the annular connector (4). Threaded grooves (904) are provided on the left and right sides of the mounting seat (3) at positions corresponding to the stud (903).

4. A negative pressure aspirator according to claim 3, characterized in that: The end of the stud (903) away from the bearing passes through the movable groove (901) and the thread groove (904) in sequence and extends to the outside of the thread groove (904) and is fixedly connected with a handle (905). The stud (903) is threadedly connected to the thread groove (904).

5. A negative pressure aspirator according to claim 4, characterized in that: A clamping block (906) is fixedly connected to the side of the movable plate (902) away from the handle (905), and the side of the clamping block (906) away from the movable plate (902) sequentially penetrates the movable groove (901) and the clamping groove (8) and extends to the interior of the clamping groove (8).

6. A negative pressure aspirator according to claim 5, characterized in that: The clamping block (906) is movably connected to the clamping slot (8), and the clamping block (906) is movably clamped to the clamping slot (8). A guide column (907) is fixedly connected to the upper side of the movable plate (902) away from the clamping block (906).

7. A negative pressure aspirator according to claim 6, characterized in that: The side of the guide column (907) away from the movable plate (902) passes through the movable groove (901) and the mounting seat (3) in sequence and extends to the outside of the mounting seat (3), and the guide column (907) is movably connected to the mounting seat (3).

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