Colorimetric negative pressure drainage device

Abstract

The utility model discloses a colorimetric negative pressure drainage device which comprises a lower base, a compression bag is fixedly connected to the outer side of the upper end of the lower base, an upper pressure seat is fixedly connected to the upper end of the compression bag, a telescopic spring is arranged in the compression bag, and the upper pressure seat is elastically connected with the lower base through the telescopic spring. The center of the upper end of the upper pressing base is communicated with a suction pipe, the right side of the center of the upper end of the upper pressing base is communicated with an exhaust pipe, a colorimetric window is formed in the center of the upper end of the upper pressing base, a colorimetric card is clamped in the colorimetric window, and the colorimetric window and the colorimetric card are arranged in the upper pressing base. The color change of the mixture is observed through the colorimetric window made of a transparent material and is compared with the colorimetric card so as to accurately determine the blood proportion in the mixture, and the interception disc is designed to intercept the mixture with a specific volume and standardize the colorimetric condition, so that the colorimetry is more accurate. And the color developing card is used as a ground color, so that more obvious color contrast is provided, and the colorimetric accuracy is further improved.

Description

Technical Field

[0001] The utility model belongs to the technical field related to negative pressure drainage devices, and particularly relates to a colorimetric negative pressure drainage device. Background Art

[0002] Before delving into the patent background art of this colorimetric negative pressure drainage device, let's first review the traditional methods for monitoring gastrointestinal bleeding. Traditional methods often rely on doctors' empirical judgments and routine laboratory tests, which have certain limitations, such as long response times, complex operations, and accuracy affected by various factors. Especially in emergency situations, quickly and accurately assessing the patient's blood loss is crucial for formulating effective treatment plans. However, traditional methods often struggle to meet this need, resulting in delays or inaccuracies in treatment decisions.

[0003] With the advancement of medical technology, the improvement of patient needs, and the enhancement of personal care, there is an urgent need in the market for a new type of medical device that can quickly, accurately, and intuitively monitor and quantify gastrointestinal bleeding. This device should not only be able to provide immediate feedback, but also be convenient for medical staff to operate, while ensuring the reliability and accuracy of the results.

[0004] It is in this context that the colorimetric negative pressure drainage device described in this patent came into being. By integrating a number of technical points such as an innovative negative pressure drainage mechanism, colorimetric analysis function, airtight and anti-reflux design, and standardized colorimetric conditions, this drainage device effectively solves the problems existing in traditional methods. It can provide intuitive and accurate information about gastrointestinal bleeding in a short time, helping doctors quickly make treatment decisions, and at the same time providing a better care experience for patients.

[0005] In summary, the patent background art of this colorimetric negative pressure drainage device is based on traditional methods for monitoring gastrointestinal bleeding, combined with the development trend of modern medical technology and actual clinical needs. Through a series of innovative designs and optimizations, a highly efficient, convenient, and accurate medical monitoring device has been developed. Its emergence not only fills the market gap but also provides a new solution for the monitoring and treatment of gastrointestinal bleeding. Content of the Utility Model

[0006] The purpose of the utility model is to provide a colorimetric negative pressure drainage device to solve the problem that traditional methods for monitoring gastrointestinal bleeding often rely on doctors' empirical judgments and routine laboratory tests and are difficult to quickly and accurately monitor and quantify gastrointestinal bleeding as mentioned in the above background art.

[0007] To achieve the above object, the present utility model provides the following technical solutions: A colorimetric negative pressure drainer, comprising a lower base, an outer side of the upper end of the lower base is fixedly connected with a compression bag, an upper pressing seat is fixedly connected to the upper end of the compression bag, a telescopic spring is arranged inside the compression bag, the upper pressing seat is elastically connected to the lower base through the telescopic spring, a suction pipe is communicated with the center of the upper end of the upper pressing seat, an exhaust pipe is communicated with the right side of the center of the upper end of the upper pressing seat, a colorimetric window is opened inside the center of the upper end of the upper pressing seat, and a colorimetric card is clamped inside the colorimetric window.

[0008] Preferably, the colorimetric window is made of a transparent material, an air seal ring is fixedly connected to the inner wall of the lower side of the exhaust pipe, and an air seal head is clamped inside the upper end of the air seal ring.

[0009] Preferably, a limiting slide bar is fixedly connected to the center of the upper end of the air seal head, a limiting frame is fixedly connected to the inner wall of the upper side of the exhaust pipe, and the limiting slide bar penetrates through the center of the lower end of the limiting frame up and down.

[0010] Preferably, an air seal spring is arranged between the air seal ring and the limiting frame, the air seal spring is located between the air seal head and the limiting frame, and the air seal head is elastically connected between the air seal ring and the limiting frame through the air seal spring.

[0011] Preferably, an anti-backflow seal ring is fixedly connected to the inner wall of the lower side of the suction pipe, an anti-backflow head is arranged at the lower end of the anti-backflow seal ring, and the anti-backflow head is clamped inside the lower end of the suction pipe. A plurality of dispersion through holes are opened inside the cylindrical outer wall of the anti-backflow head, and the plurality of dispersion through holes are all located inside the lower end of the suction pipe.

[0012] Preferably, an introduction through pipe is communicated with the center of the upper end of the anti-backflow head, the introduction through pipe is communicated with the plurality of dispersion through holes and is slidably connected inside the anti-backflow seal ring. A limiting slide ring is fixedly connected to the outer side of the upper end of the introduction through pipe, and the limiting slide ring is located above the anti-backflow seal ring.

[0013] Preferably, an anti-backflow spring is arranged between the limiting slide ring and the anti-backflow seal ring, and the anti-backflow head and the introduction through pipe are elastically connected inside the suction pipe through the limiting slide ring and the anti-backflow spring. A retention disc is fixedly connected to the lower end of the anti-backflow head.

[0014] Preferably, a color display card is arranged inside the retention disc, the upper end of the color display card is white, a liquid collection ring is fixedly connected to the outer side of the upper end of the retention disc, and the liquid collection ring is attached to the inner wall of the lower end of the upper pressing seat. The radius of the circle where the color display card is located is equal to the radius of the circle where the colorimetric window is located.

[0015] Compared with the prior art, the present utility model provides a colorimetric negative pressure drainer, which has the following beneficial effects:

[0016] 1. Colorimetric analysis function: A colorimetric window and a colorimetric card are provided inside the upper pressing seat. The color change of the mixture is observed through the colorimetric window made of transparent material and compared with the colorimetric card to accurately determine the blood proportion in the mixture.

[0017] 2. Standardized colorimetric conditions: The intercepting tray is designed to intercept a specific volume of the mixture and standardize the colorimetric conditions, making the colorimetric more accurate. The color-developing card serves as the background color, providing a more obvious color contrast and further improving the accuracy of colorimetry.

[0018] 3. Instant feedback and early intervention: By quickly and accurately measuring the amount of digestive tract bleeding, it helps medical staff immediately understand the patient's condition, take timely intervention measures, and improve the treatment effect.

[0019] 4. Air seal and anti-backflow design: An air seal ring and an air seal head are provided inside the exhaust pipe. The one-way discharge of gas and prevention of gas backflow are achieved through the air seal spring. An anti-backflow seal ring and an anti-backflow head are provided inside the suction pipe. The anti-backflow spring prevents gas from flowing back from the suction pipe and ensures that the mixture can smoothly enter under negative pressure. Description of the Drawings

[0020] Figure 1 It is a schematic perspective structure diagram of the colorimetric negative pressure drainage device of the present utility model.

[0021] Figure 2 It is a schematic perspective sectional structure diagram of the colorimetric negative pressure drainage device of the present utility model.

[0022] Figure 3 For the present utility model Figure 2 Enlarged schematic diagram at position A.

[0023] Figure 4 For the present utility model Figure 2 Enlarged schematic diagram at position B.

[0024] Figure 5 It is a schematic connection structure diagram of the anti-backflow head of the present utility model.

[0025] In the figure: 1. Lower base; 2. Compression bag; 3. Upper pressing seat; 4. Telescopic spring; 5. Suction pipe; 6. Exhaust pipe; 7. Colorimetric window; 8. Colorimetric card; 9. Air seal ring; 10. Air seal head; 11. Limit slide bar; 12. Limit frame; 13. Air seal spring; 14. Anti-backflow seal ring; 15. Anti-backflow head; 16. Dispersion through hole; 17. Introduction through pipe; 18. Limit slide ring; 19. Anti-backflow spring; 20. Intercepting tray; 21. Color-developing card. Detailed Implementation Modes

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0027] The present utility model provides a colorimetric negative pressure drainage device as Figures 1-5 shown, which includes a lower base 1. A compression bag 2 is fixedly connected to the outer side of the upper end of the lower base 1. An upper pressure seat 3 is fixedly connected to the upper end of the compression bag 2. A telescopic spring 4 is arranged inside the compression bag 2. The upper pressure seat 3 is elastically connected to the lower base 1 through the telescopic spring 4. A suction pipe 5 communicates with the center of the upper end of the upper pressure seat 3. An exhaust pipe 6 communicates with the right side of the center of the upper end of the upper pressure seat 3. A colorimetric window 7 is opened inside the center of the upper end of the upper pressure seat 3. A colorimetric card 8 is clamped inside the colorimetric window 7. The colorimetric window 7 is made of a transparent material. The lower base 1, the compression bag 2 and the upper pressure seat 3 are combined into an internally sealed drainage bag. The drainage bag is internally supported by the telescopic spring 4 between the lower base 1 and the upper pressure seat 3. Press down the upper pressure seat 3 and compress the telescopic spring 4 to squeeze out the gas inside the drainage bag through the exhaust pipe 6. Then release the upper pressure seat 3. The upper pressure seat 3 rebounds upward under the action of the telescopic spring 4, so that a negative pressure is generated inside the drainage bag. Under the action of the negative pressure, the drainage bag sucks the mixture flowing out of the digestive tract into the interior through the suction pipe 5, and observes the blood ratio in the mixture through the colorimetric window 7. At this time, since the colors shown due to different blood contents in the mixture are different, the blood ratio of the digestive tract can be determined according to the color shown by the mixture. The color of the mixture can be accurately determined by comparing the color with the colorimetric card 8. Then, the blood content is calculated according to the total amount of the mixture flowing out of the digestive tract, so that the bleeding amount of the digestive tract can be accurately and quickly determined. This not only facilitates the description of the patient's bleeding, but also helps the nursing staff to efficiently and accurately judge the digestive tract bleeding condition and quantify the bleeding amount. At the same time, it also promotes the nursing staff's immediate detection and early intervention of the patient's disease evolution.

[0028] Preferably, an air seal ring 9 is fixedly connected to the inner wall of the lower side of the exhaust pipe 6. An air seal head 10 is clamped inside the upper end of the air seal ring 9. A limit slide bar 11 is fixedly connected to the center of the upper end of the air seal head 10. A limit frame 12 is fixedly connected to the inner wall of the upper side of the exhaust pipe 6. And the limit slide bar 11 penetrates through the center of the lower end of the limit frame 12 vertically. An air seal spring 13 is arranged between the air seal ring 9 and the limit frame 12. The air seal spring 13 is located between the air seal head 10 and the limit frame 12. And the air seal head 10 is elastically connected between the air seal ring 9 and the limit frame 12 through the air seal spring 13. When the drainage bag is squeezed downward, the internal gas can push up the air seal head 10 to discharge the gas from the inside. And when negative pressure is generated inside the drainage bag, the air seal head 10 can be tightly inserted into the air seal ring 9 under the action of the limit frame 12, the air seal spring 13 and the negative pressure, so as to block the inside of the exhaust pipe 6 and prevent the gas from flowing into the drainage bag from the exhaust pipe 6, ensuring that there is enough suction force inside the suction pipe 5 to suck the mixture flowing out of the digestive tract.

[0029] Preferably, an anti-backflow seal ring 14 is fixedly connected to the inner wall of the lower side of the suction pipe 5. An anti-backflow seal head 15 is arranged at the lower end of the anti-backflow seal ring 14. And the anti-backflow seal head 15 is clamped inside the lower end of the suction pipe 5. A plurality of dispersion through holes 16 are formed inside the cylindrical outer wall of the anti-backflow seal head 15. And all the plurality of dispersion through holes 16 are located inside the lower end of the suction pipe 5. A leading-in through pipe 17 is communicated with the center of the upper end of the anti-backflow seal head 15. And the leading-in through pipe 17 is communicated with the plurality of dispersion through holes 16 and is slidably connected inside the anti-backflow seal ring 14. A limit slide ring 18 is fixedly connected to the outer side of the upper end of the leading-in through pipe 17. And the limit slide ring 18 is located above the anti-backflow seal ring 14. An anti-backflow spring 19 is arranged between the limit slide ring 18 and the anti-backflow seal ring 14. And the anti-backflow seal head 15 and the leading-in through pipe 17 are elastically connected inside the suction pipe 5 through the limit slide ring 18 and the anti-backflow spring 19. During the process of squeezing the drainage bag, the anti-backflow seal head 15 and the plurality of dispersion through holes 16 slide upward under the action of the limit slide ring 18 and the anti-backflow spring 19 and are clamped inside the lower end of the suction pipe 5, so as to block the inside of the suction pipe 5 and prevent the gas from flowing out of the suction pipe 5 to cause harm to the digestive tract of the patient. When negative pressure is generated inside the drainage bag, the negative pressure sucks the anti-backflow seal head 15 out of the lower end of the suction pipe 5 downward and sucks the plurality of dispersion through holes 16 out of the lower end of the suction pipe 5, so that the drainage bag can be communicated with the inside of the suction pipe 5 through the plurality of dispersion through holes 16 and the leading-in through pipe 17, thereby sucking the mixture flowing out of the patient's digestive tract.

[0030] Preferably, a retention tray 20 is fixedly connected to the lower end of the anti-reverse head 15. A color display card 21 is arranged inside the retention tray 20, and the upper end of the color display card 21 is white. The radius of the circle where the color display card 21 is located is equal to the radius of the circle where the colorimetric window 7 is located. During the process of sucking the mixture flowing out of the patient's digestive tract into the drainage bag, the plurality of dispersion through holes 16 can evenly disperse the mixture onto the upper end of the retention tray 20 connected to the lower end of the anti-reverse head 15 and flow into the interior of the drainage bag from the periphery of the retention tray 20. When the suction stops, the anti-reverse head 15 can drive the retention tray 20 to fit with the interior of the lower end of the upper pressing seat 3. At this time, since a liquid collecting ring is fixedly connected to the outer side of the upper end of the retention tray 20, the retention tray 20 can intercept a specific volume of the mixture through the liquid collecting ring and keep the mixture at a specific thickness between the upper pressing seat 3 and the retention tray 20, thereby standardizing the colorimetric conditions, further standardizing the colorimetry, making the colorimetry more accurate. The colors represent the amount of blood content from less to more in order from light to dark, and with the white color display card 21 as the background color, the color of the mixture can be more clearly shown. The color display card 21 is made of plastic and is coated with pure white paint on its upper end so as to more clearly show the color.

[0031] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A colorimetric negative pressure drainage device, characterized in that: The utility model comprises a lower base (1), wherein a compression bag (2) is fixedly connected to the outer side of the upper end of the lower base (1), an upper pressure seat (3) is fixedly connected to the upper end of the compression bag (2), a telescopic spring (4) is arranged inside the compression bag (2), the upper pressure seat (3) is elastically connected to the lower base (1) via the telescopic spring (4), a suction pipe (5) is connected at the center of the upper end of the upper pressure seat (3), an exhaust pipe (6) is connected at the right side of the center of the upper end of the upper pressure seat (3), a colorimetric window (7) is provided inside the center of the upper end of the upper pressure seat (3), and a colorimetric card (8) is clamped inside the colorimetric window (7).

2. A colorimetric negative pressure drain according to claim 1, characterized in that: The colorimetric window (7) is made of a transparent material, an air sealing ring (9) is fixedly connected to the inner wall of the lower side of the exhaust pipe (6), and an air sealing head (10) is clamped inside the upper end of the air sealing ring (9).

3. A colorimetric negative pressure drain according to claim 2, characterized in that: The center of the upper end of the gas sealing head (10) is fixedly connected to a limiting slide bar (11), the upper inner wall of the exhaust pipe (6) is fixedly connected to a limiting frame (12), and the limiting slide bar (11) passes through the center of the lower end of the limiting frame (12) from top to bottom.

4. A colorimetric negative pressure drain according to claim 3, characterized in that: An air-sealing spring (13) is provided between the air-sealing ring (9) and the limiting frame (12); the air-sealing spring (13) is located between the air-sealing head (10) and the limiting frame (12); and the air-sealing head (10) is elastically connected between the air-sealing ring (9) and the limiting frame (12) via the air-sealing spring (13).

5. The colorimetric negative pressure drain device according to claim 1, characterized in that: The lower inner wall of the suction pipe (5) is fixedly connected with an anti-reverse sealing ring (14); the lower end of the anti-reverse sealing ring (14) is provided with an anti-reverse sealing head (15), and the anti-reverse sealing head (15) is clamped inside the lower end of the suction pipe (5); a plurality of dispersed through holes (16) are opened inside the cylindrical outer wall of the anti-reverse sealing head (15), and the plurality of dispersed through holes (16) are all located inside the lower end of the suction pipe (5).

6. A colorimetric negative pressure drain according to claim 5, characterized in that: The center of the upper end of the anti-reverse sealing head (15) is connected to an inlet pipe (17), which is connected to a plurality of dispersed through holes (16) and is slidably connected to the inside of the anti-reverse sealing ring (14). The outer side of the upper end of the inlet pipe (17) is fixedly connected to a limiting slip ring (18), and the limiting slip ring (18) is located on the upper side of the anti-reverse sealing ring (14).

7. A colorimetric negative pressure drainage device according to claim 6, characterized in that: An anti-reverse spring (19) is provided between the limit slip ring (18) and the anti-reverse sealing ring (14), and the anti-reverse sealing head (15) and the inlet through pipe (17) are elastically connected inside the suction pipe (5) via the limit slip ring (18) and the anti-reverse spring (19), and a retaining disk (20) is fixedly connected to the lower end of the anti-reverse sealing head (15).

8. A colorimetric negative pressure drainage device according to claim 7, characterized in that: A color developing card (21) is arranged inside the intercepting disk (20), and the upper end of the color developing card (21) is arranged in white. A liquid collecting ring is fixedly connected to the outer side of the upper end of the intercepting disk (20), and the liquid collecting ring is in contact with the inner wall of the lower end of the upper pressure seat (3). The radius of the circle where the color developing card (21) is located is equal to the radius of the circle where the color comparison window (7) is located.

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