Negative pressure suction ball

Abstract

The utility model discloses a negative pressure suction ball, which comprises a ball bag, a suction tube, a suction tube and a suction tube, the pressure measuring piece is arranged at the drainage inlet and is provided with a containing cavity communicated with the inner cavity of the balloon, an indicating piece dividing the containing cavity into a first cavity and a second cavity, and a fine tuning piece acting on the indicating piece and moving back and forth in the extending direction of the containing cavity; the pressure measuring piece is provided with a transparent identification part corresponding to the indicating piece; the drainage inlet and the drainage outlet of the balloon and the air inlet of the pressure measuring piece are respectively provided with a circulation adjusting piece. The channel communicated with the balloon is adjusted through the circulation adjusting piece, the effect that the negative pressure value of the balloon is accurately and visually read through the pressure measuring piece is achieved, the amount of extracted liquid and the negative pressure value are flexibly controlled, and operation is easy and convenient.

Description

Technical Field

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

[0002] In clinical nursing work, wound negative pressure suction balls are often needed. Negative pressure suction balls can effectively remove exudate, blood accumulation, etc. from the body, reduce dead space formation, reduce the chance of infection, accelerate incision healing, and reduce postoperative complications.

[0003] When using a suction ball, squeezing the balloon creates a pressure differential, allowing the connected drainage tube to draw out the accumulated fluid. However, the pressure generated by squeezing the balloon is not intuitively measurable. When drawing blood, excessive negative pressure can lead to excessive bleeding, while too little can result in poor drainage. The negative pressure value for squeezing the balloon is controlled purely by experience and cannot be accurately measured.

[0004] Therefore, it is necessary to improve the negative pressure suction ball in the prior art. Utility Model Content

[0005] The purpose of the utility model is to overcome the defects in the prior art and provide a negative pressure suction ball, which adjusts the channel connecting the balloon through a flow regulating piece, and enables the pressure measuring piece to accurately and intuitively read the negative pressure value of the balloon, flexibly controls the amount of extracted liquid and the negative pressure value, and is easy to operate.

[0006] In order to achieve the above technical effects, the technical solution of the utility model is: a negative pressure suction ball, comprising:

[0007] The balloon has a drainage inlet and a drainage outlet;

[0008] It also includes a pressure measuring member, which is arranged at the drainage inlet and has a receiving cavity connected to the inner cavity of the balloon, an indicator member that divides the receiving cavity into a first cavity and a second cavity, and a fine-tuning member that acts on the indicator member to reciprocate along the extension direction of the receiving cavity;

[0009] The pressure measuring piece is provided with a transparent marking portion corresponding to the indicator piece;

[0010] The drainage inlet and outlet of the balloon and the air inlet of the pressure measuring piece are all provided with flow regulating pieces.

[0011] A preferred technical solution is that the fine-tuning component is a compression component, the first chamber is close to the air inlet of the pressure measuring component, and the compression component is arranged in the second chamber.

[0012] A preferred technical solution is that the fine-tuning component is an expansion airbag, and the expansion airbag is arranged in the first chamber and connected to the air inlet of the pressure measuring component.

[0013] A preferred technical solution is that the outer surface of the air inlet is a rough surface, and the inner surface of the inflatable airbag is concave-convex matched with the rough surface.

[0014] A preferred technical solution is that the pressure measuring component includes a plurality of pressure measuring units, the plurality of pressure measuring units are distributed along the circumference of the drainage inlet, and the air inlets of the plurality of pressure measuring units are each provided with a one-to-one corresponding first flow regulating component.

[0015] The preferred technical solution is that one end of the first circulation regulating member is connected to the drainage inlet of the balloon, and the other end is threadedly connected to the pressure measuring member, and a first baffle is provided in the first circulation regulating member and is clamped between the drainage inlet and the pressure measuring member, and the first baffle is provided with a first air permeable portion and a first closed portion respectively arranged on both sides of the radial direction, and the air inlet of the pressure measuring member is provided with a second baffle abutting against the rear end of the first baffle, and the second baffle is provided with a second air permeable portion and a second closed portion.

[0016] A preferred technical solution is that the opposing surfaces of the first baffle and the second baffle are both provided with an elastic layer, and the elastic layer is provided with ventilation holes corresponding to the first ventilation portion and the second ventilation portion in a one-to-one manner.

[0017] A preferred technical solution is that the outer surface of the pressure measuring piece is provided with an anti-slip layer, or an anti-slip surface, or a knob protrusion.

[0018] A preferred technical solution is that the drainage outlet is connected to a collection bag.

[0019] A preferred technical solution is that the outer surface of the transparent marking portion is provided with scales and / or color boundary areas.

[0020] The advantages and beneficial effects of the utility model are:

[0021] The negative pressure suction ball has a reasonable structure. The channel connected to the balloon is adjusted by the flow adjustment member, and the pressure measuring member can accurately and intuitively read the negative pressure value of the balloon, flexibly controlling the amount of extracted liquid and the negative pressure value, and is easy to operate. The pressure measuring member is arranged at the drainage inlet to keep it always connected to the hollow part of the balloon and in a relatively stable position, which is convenient for adjusting the negative pressure value in the balloon and reading the value. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic structural diagram of Example 1 of the negative pressure suction ball of the present utility model;

[0023] Figure 2 is a schematic structural diagram of the pressure measuring member in Example 1;

[0024] Figure 3 This is a structural diagram of Example 2 of the negative pressure suction ball of the present utility model;

[0025] Figure 4 is a schematic structural diagram of the pressure measuring member in Example 2;

[0026] Figure 5 This is a schematic structural diagram of the first flow regulating member in state one;

[0027] Figure 6 This is a schematic diagram of the structure of the first flow regulating member in state 2;

[0028] Figure 7 It is a structural diagram of Example 3 of the negative pressure suction ball of the present utility model.

[0029] In the figure: 1. Balloon; 2. Pressure measuring piece; 3. Flow regulating piece; 4. Collection bag; 11. Drainage inlet; 12. Drainage outlet; 20. Knob protrusion; 21. Indicator; 22. Fine-tuning piece; 23. Air inlet; 31. First flow regulating piece; 33. Elastic layer; 200. Accommodating cavity; 201. First chamber; 202. Second chamber; 222. Pressure measuring unit; 230. Rough surface; 301. First baffle; 302. Second baffle; 311. First closing portion; 312. First breathable portion; 321. Second closing portion; 322. Second breathable portion. DETAILED DESCRIPTION

[0030] The following embodiments are used to further describe the specific embodiments of the present invention in conjunction with the accompanying drawings and examples. The following embodiments are only used to more clearly illustrate the technical solutions of the present invention and are not intended to limit the scope of protection of the present invention.

[0031] The “outer surface” is based on the normal use state of the negative pressure suction ball and is only for the convenience of describing the present invention and simplifying the description. It does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.

[0032] Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature identified with "first," "second," etc., may explicitly or implicitly include one or more of such features. In the description of this utility model, unless otherwise specified, "plurality" means two or more.

[0033] like Figures 1 to 7As shown, the negative pressure suction ball disclosed in the present invention includes a balloon 1 and a pressure measuring piece 2, the balloon 1 has a drainage inlet 11 and a drainage outlet 12; the pressure measuring piece 2 is arranged at the drainage inlet 11, and has a accommodating chamber 200 connected to the inner cavity of the balloon 1, an indicator 21 that divides the accommodating chamber 200 into a first chamber 201 and a second chamber 202, and a fine-tuning piece 22 that acts on the indicator 21 to move back and forth along the extension direction of the accommodating chamber 200; the pressure measuring piece 2 is provided with a transparent marking portion (not marked) corresponding to the indicator 21; the drainage inlet 11 and the drainage outlet 12 of the balloon 1 and the air inlet 23 of the pressure measuring piece 2 are all provided with a flow regulating piece 3.

[0034] Negative pressure drainage balloons are typically made of soft, foldable, non-toxic, and non-irritating materials, such as silicone, rubber, and polypropylene, which facilitate deformation during squeezing. The drainage inlet 11 and drainage outlet 12 of the balloon 1 are both connected to a drainage tube. The materials of the drainage inlet 11 and drainage outlet 12 are rigid, making them easy to install and secure with the drainage tube.

[0035] The outer surface of the transparent marking portion is provided with a scale (not shown) and / or a color dividing area (not shown). The color dividing area helps to more quickly and intuitively determine whether the negative pressure value is too large or too small, while the scale setting allows for more accurate reading of the negative pressure value.

[0036] When the balloon 1 is adjusted to be connected only to the pressure measuring piece 2 through the circulation adjusting piece 3, the balloon 1 is squeezed and moved to the corresponding identification part through the indicator 21 and the negative pressure value is recorded, and then the circulation adjusting piece 3 connected to the pressure measuring piece 2 is closed to form the balloon 1 in a negative pressure state, and then the circulation adjusting piece 3 of the drainage inlet 11 is opened to realize the extraction of the accumulated fluid. If the negative pressure is too small, the extracted liquid in the balloon 1 is released, and then the circulation adjusting piece 3 is adjusted to the balloon 1 being connected only to the pressure measuring piece 2, and the operation of squeezing the balloon 1 to form a negative pressure is repeated; if the negative pressure is too large, similarly, the extracted liquid in the balloon 1 is released, and then the circulation adjusting piece 2 is adjusted to the balloon 1 being connected only to the pressure measuring piece 2, and the action of squeezing the balloon 1 is repeated to reduce the squeezing force and form a negative pressure operation.

[0037] The channel connecting the balloon 1 is adjusted by the flow regulating member 3, and the pressure measuring member 2 can accurately and intuitively read the negative pressure value of the balloon 1, flexibly controlling the amount of extracted liquid and the negative pressure value, and the operation is simple; the pressure measuring member 2 is arranged at the drainage inlet 11 to keep it always connected with the hollow part of the balloon 1 and in a relatively stable position, so as to facilitate the adjustment of the negative pressure value in the balloon 1 and the reading of the value.

[0038] In some embodiments, the fine-tuning member 22 is a removable member, with its fixed end fixedly connected to the indicator member and its free end pushed and pulled along the extension direction of the accommodating cavity. Because the free end of the removable member protrudes beyond the end face of the load cell, thus extending the length of the load cell, this solution is less flexible when multiple load cells are installed in scenarios where placement and operation space is limited.

[0039] like Figures 1 and 2 As shown, in some embodiments, the fine-tuning member 22 is a compression member, the first chamber 201 is close to the air inlet 23 of the pressure measuring member 2, and the compression member is disposed in the second chamber 202. The compression member includes but is not limited to a spring, the ends of which are fixedly connected to the indicator member 21 and the tail of the pressure measuring member 2, respectively.

[0040] like Figures 3 and 4 As shown, in other embodiments, the fine-tuning member 22 is an inflatable airbag, which is disposed in the first chamber 201 and connected to the air inlet 23 of the pressure measuring member 2. To enhance the connection between the inflatable airbag and the air inlet, the outer surface of the air inlet 23 is a roughened surface 230, and the inner surface of the inflatable airbag is concave-convex to the roughened surface 230.

[0041] like Figure 7 As shown, the pressure measuring element 2 includes a plurality of pressure measuring units 222, and the plurality of pressure measuring units 222 are distributed along the circumference of the drainage inlet 11. The air inlets 23 of the plurality of pressure measuring units 222 are all provided with corresponding first flow regulating members 31. The setting of the pressure measuring units 222 makes it more flexible to adjust the negative pressure value formed by squeezing the balloon 1. In order to prevent the negative pressure value of squeezing the balloon 1 from being too large, a small number of pressure measuring units 222 can be connected first, and the corresponding first flow regulating members 31 can be opened. When the negative pressure value reaches the maximum threshold, the corresponding first flow regulating member 31 is closed. During use, even if part of the extracted liquid is stored in the balloon 1, it does not need to be released. Only the first flow regulating member 31 corresponding to any pressure measuring unit 222 whose negative pressure value has not been measured is opened, and the cavity part of the balloon 1 that is not filled with the extracted liquid and is connected to the pressure measuring unit 222 is squeezed. The connected pressure measuring units 222 further accommodate the gas generated by the squeezing of the balloon 1, thereby achieving fine adjustment of the negative pressure value.

[0042] The pressure measuring element 2 is configured as a plurality of pressure measuring units 222. While maintaining the same volume, the length of the pressure measuring element 2 can be reduced, making it suitable for use in environments with limited placement and operating space. The pressure measuring units 222 are distributed circumferentially around the drainage inlet 11, either symmetrically or asymmetrically. To facilitate placement and suspension of the balloon 1, the pressure measuring units 222 are positioned on the same axial side of the drainage inlet 11.

[0043] like Figures 5 and 6As shown, one end of the first flow regulating member 31 is connected to the drainage inlet 11 of the balloon 1, and the other end is threadedly connected to the pressure measuring member 2. A first baffle 301 is provided within the first flow regulating member 31, sandwiched between the drainage inlet 11 and the pressure measuring member 2. The first baffle 301 is provided with a first air permeable portion 312 and a first closed portion 311, respectively, disposed radially on either side. The air inlet 23 of the pressure measuring member 2 is provided with a second baffle 302, which abuts the first baffle 301 after being screwed onto the second baffle 302. The second baffle 302 is provided with a second air permeable portion 322 and a second closed portion 321. Furthermore, an elastic layer 33 is provided on the opposing surfaces of the first baffle 301 and the second baffle 302. The elastic layer 33 is provided with air permeable holes (not labeled) corresponding one-to-one with the first air permeable portion 312 and the second air permeable portion 322.

[0044] The pressure measuring element 2 is used by rotating it so that the first baffle 301 and the second baffle 302 separate along its extension direction. This allows the first and second air-permeable portions 312 and 322 to communicate, forming a gas channel. After measuring the pressure, the pressure measuring element 2 is rotated in the opposite direction, so that the second closed portion 321 of the second baffle 302 faces the first air-permeable portion 312 of the first baffle 301, and the second air-permeable portion 322 of the second baffle 302 faces the first closed portion 301 of the first baffle 301. This, combined with the deformation and compression of the elastic layer 22, further improves the sealing performance, resulting in a sealed pressure measuring element 2 and accurate reading of negative pressure values. Operation is simple, and the simplified structure of the first flow regulating element 31 facilitates processing and setup.

[0045] The material of the elastic layer 33 includes but is not limited to silicone and rubber.

[0046] In order to facilitate the rotation of the pressure measuring member 2 and adjust the opening and closing of the first flow regulating member 31 , the outer surface of the pressure measuring member 2 is provided with an anti-slip layer, or an anti-slip surface, or a knob protrusion 20 .

[0047] The drainage outlet 12 is connected to the collection bag 4, which is suitable for extracting a large amount of accumulated fluid. It can also effectively prevent the accumulated fluid in the airbag from splashing when released, so as to avoid polluting the environment and preventing medical staff from being infected with bacteria and viruses.

[0048] Example 1

[0049] like Figures 1 and 2As shown in , 5-6, the negative pressure suction ball of Example 1 includes a balloon 1 and a pressure measuring piece 2, the balloon 1 has a drainage inlet 11 and a drainage outlet 12, the drainage outlet 12 is connected to the collecting bag 4, the pressure measuring piece 2 is arranged at the drainage inlet 11, and has a accommodating chamber 200 connected to the inner cavity of the balloon 1, an indicator 21 which divides the accommodating chamber 200 into a first chamber 201 and a second chamber 202, and a fine-tuning piece 22 which acts on the indicator 21 to move back and forth along the extension direction of the accommodating chamber 200; the pressure measuring piece 2 is provided with a transparent marking portion (not marked) corresponding to the indicator 21; the drainage inlet 11 and the drainage outlet 12 of the balloon 1 and the air inlet 23 of the pressure measuring piece 2 are all provided with a flow regulating piece 3.

[0050] The fine-tuning member 22 is a compression member, the first chamber 201 is close to the air inlet 23 of the pressure measuring member 2, and the compression member is arranged in the second chamber 202. The compression member is a spring, and the two ends of the spring are fixedly connected to the tail of the indicator 21 and the pressure measuring member 2 respectively.

[0051] The flow regulating member 3 provided at the air inlet 23 of the pressure measuring member 2 is a first flow regulating member 31. One end of the first flow regulating member 31 is connected to the drainage inlet 11 of the balloon 1, and the other end is threadedly connected to the pressure measuring member 2. A first baffle 301 is provided within the first flow regulating member 31, sandwiched between the drainage inlet 11 and the pressure measuring member 2. The first baffle 301 is provided with a first air permeable portion 312 and a first closed portion 311, respectively, disposed radially on either side. The air inlet 23 of the pressure measuring member 2 is provided with a second baffle 302, which abuts the first baffle 301 after being screwed onto the air inlet. The second baffle 302 is provided with a second air permeable portion 322 and a second closed portion 321. Furthermore, the opposing surfaces of the first baffle 301 and the second baffle 302 are both provided with an elastic layer 33, which is provided with air holes (not labeled) corresponding one-to-one with the first air permeable portion 312 and the second air permeable portion 322. The outer surface of the pressure measuring member 2 is provided with a knob protrusion 20.

[0052] Example 2

[0053] like Figures 3 and 4 As shown, Example 2 is based on Example 1, except that the fine-tuning member 22 is an inflatable airbag, which is disposed in the first chamber 201 and connected to the air inlet 23 of the pressure measuring member 2. To enhance the connection between the inflatable airbag and the air inlet, the outer surface of the air inlet 23 is a roughened surface 230, and the inner surface of the inflatable airbag matches the roughened surface 230 in a concave-convex manner.

[0054] Example 3

[0055] like Figure 7As shown, Example 3 is based on Example 1, differing in that the pressure measuring element 2 includes a plurality of pressure measuring units 222 distributed along the circumference of the drainage inlet 11, and each of the air inlets 23 of the pressure measuring units 222 is provided with a corresponding first flow regulating member 31. The provision of the pressure measuring units 222 allows for more flexible adjustment of the negative pressure generated by squeezing the balloon 1.

[0056] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A negative pressure suction ball, comprising: The balloon has a drainage inlet and a drainage outlet; The invention is characterized in that it further comprises a pressure measuring member, which is arranged at the drainage inlet and has a receiving cavity communicated with the inner cavity of the balloon, an indicator member which divides the receiving cavity into a first cavity and a second cavity, and a fine adjustment member which acts on the indicator member to reciprocate along the extension direction of the receiving cavity; The pressure measuring piece is provided with a transparent marking portion corresponding to the indicator piece; The drainage inlet and outlet of the balloon and the air inlet of the pressure measuring piece are all provided with flow regulating pieces.

2. The negative pressure suction ball according to claim 1, characterized in that: The fine-tuning component is a compression component, the first chamber is close to the air inlet of the pressure measuring component, and the compression component is arranged in the second chamber.

3. The negative pressure suction ball according to claim 1, characterized in that: The fine-tuning component is an expansion airbag, which is arranged in the first chamber and connected to the air inlet of the pressure measuring component.

4. The negative pressure suction ball according to claim 3, characterized in that: The outer surface of the air inlet is a rough surface, and the inner surface of the expansion airbag is concave-convex matched with the rough surface.

5. The negative pressure suction ball according to claim 1, characterized in that: The pressure measuring component includes a plurality of pressure measuring units, and the plurality of pressure measuring units are distributed along the circumference of the drainage inlet. The air inlets of the plurality of pressure measuring units are each provided with a corresponding first flow regulating component.

6. The negative pressure suction ball according to claim 5, characterized in that: One end of the first flow regulating member is connected to the drainage inlet of the balloon, and the other end is threadedly connected to the pressure measuring member. A first baffle is provided in the first flow regulating member and is clamped between the drainage inlet and the pressure measuring member. The first baffle is provided with a first air permeable portion and a first closed portion respectively arranged on both sides of the radial direction. The air inlet of the pressure measuring member is provided with a second baffle abutting against the first baffle after the spiral is formed, and the second baffle is provided with a second air permeable portion and a second closed portion.

7. The negative pressure suction ball according to claim 6, characterized in that: The opposing surfaces of the first baffle and the second baffle are both provided with an elastic layer, and the elastic layer is provided with ventilation holes corresponding to the first ventilation portion and the second ventilation portion in a one-to-one manner.

8. The negative pressure suction ball according to claim 1 or 5, characterized in that: The outer surface of the pressure measuring piece is provided with an anti-slip layer, or an anti-slip surface, or a knob protrusion.

9. The negative pressure suction ball according to claim 1, characterized in that: The drainage outlet is connected to a collection bag.

10. The negative pressure suction ball according to claim 1 or 5, characterized in that: The outer surface of the transparent marking portion is provided with scales and / or color boundary areas.

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