In vivo drainage fluid effusion detection system

Abstract

The present application discloses an in vivo drainage fluid effusion detection system, which relates to the field of medical device production technology, including a controller, a sampling belt and a comparison belt arranged in parallel, the two ends of which are respectively wound on a unwinding roller and a winding roller, and the sampling belt is vertically corresponding to the liquid inlet. A number of sampling pieces are equidistantly arranged on the sampling belt, and the travel route of the sampling piece is divided into a first isolation chamber, a sampling chamber, a detection chamber and a second isolation chamber which are independent of each other. A camera is provided on the top of the detection chamber, and an electromagnetic valve is installed on the liquid inlet. The technical advantages of the application are: by arranging the sampling belt and the comparison belt on the unwinding roller and the winding roller, automatic switching of the sampling piece is realized during each sampling and detection, and real-time comparison and detection of samples are realized by using the controller and the camera; by adding a purge component to the conveying path of the sampling belt, the accumulated fluid on the sampling belt that is not absorbed by the sampling piece can be cleaned, thereby effectively preventing it from entering the detection chamber and contaminating the camera.

Description

Technical Field

[0001] The present application relates to the technical field of medical device production, and in particular to a system for detecting drainage fluid effusion in vivo. Background Art

[0002] Fluid effusion generally refers to the accumulation of fluid beyond normal within body cavities (such as the thoracic, abdominal, and pericardial cavities). This effusion can be caused by a variety of factors, including inflammation, tumors, bleeding, trauma, obstruction, or leakage from the urinary or biliary tracts. The presence of fluid not only compresses surrounding tissues and affects organ function, but can also serve as a breeding ground for further disease progression. The medical community has developed a range of sensitive and reliable diagnostic methods for detecting fluid effusion. Fluid extraction for cytological, biochemical, and bacteriological examinations can help clarify the nature and cause of the effusion. For example, captured images of the effusion are compared with standard sample paper, which contains images of effusions of varying properties, quantities, and characteristics, along with corresponding diagnostic information. This comparison process can be accomplished through image processing algorithms or manual observation. The comparison results can be used to determine the nature of the effusion (e.g., transudate, exudate) and other relevant characteristics (e.g., color, transparency, etc.). This information is valuable for the diagnosis and treatment of diseases.

[0003] Currently, the sampling and testing process for effusion generally relies on manual operation. This traditional method is not only inefficient, but also requires the intervention of nurses for each test, which undoubtedly increases the consumption of medical resources and labor costs. In view of this situation, the market urgently needs an innovative instrument that can be operated independently by patients and realize fully automatic sampling and testing. In addition, it is also necessary to pay attention to its detection accuracy to ensure that each sampling and test can achieve medical-level accuracy, thereby providing patients with a reliable diagnostic basis. Summary of the Invention

[0004] This device provides a system for detecting drainage fluid effusion in vivo, and the specific implementation is as follows:

[0005] A system for detecting drainage fluid effusion in vivo, comprising:

[0006] The sampling tape and the comparison tape are arranged in parallel, with their ends wound on the unwinding roller and the winding roller respectively. The sampling tape is vertically aligned with the liquid inlet. Several sampling pieces are evenly spaced on the sampling tape. The sampling tape and the comparison tape are driven forward by the winding roller to realize automatic switching of the sampling pieces during each sampling test.

[0007] The route of the sample piece is divided into the first isolation chamber, the sampling chamber, the detection chamber and the second isolation chamber, which are independent of each other. A camera is installed on the top of the detection chamber to scan and compare the color difference between the sample piece and the comparison tape.

[0008] The controller has an electromagnetic valve installed on the liquid inlet, the winding roller is connected to the drive component, and the bottom of the sampling belt is provided with an optoelectronic locator for detecting when the sampling piece reaches the sampling position; the signal input end of the controller is electrically connected to the optoelectronic locator, and its signal output end is electrically connected to the drive component, the electromagnetic valve and the camera respectively.

[0009] Based on the above technical solution, by setting the precision sampling belt and the comparison belt on the unwinding roller and the winding roller, it is successfully achieved that the sampling piece can be automatically and efficiently switched during each sampling and testing process, which not only greatly improves the convenience and efficiency of operation, but also ensures the continuity and accuracy of sampling; at the same time, the controller and high-definition camera technology are also integrated to make real-time comparison and detection of samples possible. The comparison and detection principles of the camera are all existing conventional technical means; the use of optoelectronic positioners and solenoid valves can also automatically select the time for the accumulated liquid to fall. The light source inside the locator emits one or more light signals, which are transmitted to the top of the sampling belt through optical elements. When the light signal encounters the sampling piece, part of the light will be reflected or scattered back, and the light receiver in the locator receives it and determines that the sampling piece has reached directly below the liquid inlet.

[0010] Preferably, it also includes a box body for accommodating the first isolation chamber, the sampling chamber, the detection chamber and the second isolation chamber, a sampling hopper is provided on the top of the box body, and the bottom of the sampling hopper is provided as a liquid inlet connected to the sampling chamber.

[0011] Different from the above technical solutions, a hoisted sampling bag can be directly used to replace the sampling bucket, and the solenoid valve can be installed at the bottom of the sampling bag; a weighing module can be installed between the top of the sampling bag and the hoisting part; or a second camera can be installed on the side of the sampling bag to determine the weight of the liquid in the sampling bag by reading the scale of the sampling bag.

[0012] Preferably, it also includes a purge assembly arranged at the end of the sampling chamber, which is composed of a fan and a vertical air duct. The fan acts on the sampling piece after sampling to remove unabsorbed accumulated liquid.

[0013] Based on the above technical solution, by adding a purge component to the conveying path of the sampling belt, the residual liquid on the sampling belt can be accurately cleaned. Taking into account the problem of liquid that may not be completely absorbed by the sampling piece during the sampling process, these liquids can be cleared in a timely and effective manner through the precise operation of the purge component; this also effectively prevents the liquid from entering the interior of the detection chamber, thereby avoiding its potential contamination of the camera. As the core component of the detection system, the clarity and stability of the camera are crucial. Once contaminated, it will not only affect the accuracy of the test results, but may also cause damage to the camera itself.

[0014] Preferably, a waste drain box is provided at the bottom of the sampling chamber for lateral sliding, and a liquid accumulation trough opening upward is provided in the waste drain box at a position corresponding to the liquid inlet; an upward-opening sloped trough is provided in the waste drain box at a position vertically corresponding to the purge assembly, an exhaust grille is provided on the upper part of the sloped trough, and its lower part is communicated with the liquid accumulation trough.

[0015] Based on the above technical solution, by configuring a waste discharge box, the excess liquid scattered from the liquid inlet is collected in a centralized manner. At the same time, the liquid removed by the purge component is also properly received, which greatly avoids the risk of disorderly diffusion or overflow of the liquid.

[0016] Preferably, the contrast tape is provided with a plurality of color cards at equal intervals along its length, and the color cards correspond to the sample sheets one by one.

[0017] Preferably, the sampling belt is provided with hollow grooves along its length and between adjacent sampling pieces for the accumulated liquid to fall.

[0018] Based on the above technical solution, a series of evenly spaced hollow slots are created on the sampling strip to effectively drain excess fluid from the front and back sections of the sampling process. When the slots on the sampling strip are moved to a position corresponding to the liquid inlet, they can guide and drain any fluid not absorbed by the sampling strip, thus avoiding accumulation and interference, while also allowing sampling of only the fluid in the middle section.

[0019] Preferably, a third isolation compartment for installing a drive assembly is provided at the back of the box body, the unwinding roller and the winding roller are both axially split structures, the axially split parts of the winding roller are connected to different drive sources, a coil spring structure is provided between the axially split parts of the unwinding roller, the unwinding roller is composed of a first rotating roller rotatably connected to each other and used for winding the sampling tape and a second rotating roller for winding the comparison tape, and the winding roller is composed of a third rotating roller rotatably connected to each other and used for winding the sampling tape and a fourth rotating roller for winding the comparison tape;

[0020] The driving assembly includes a coaxially arranged driving sprocket and a driven gear, which are slidably connected to each other. The driving sprocket is connected to the fourth rotating roller, and the driving sprocket is also connected to the driven sprocket through a chain. The driven sprocket is connected to the second rotating roller, and the driving sprocket is connected to the output end of the second motor.

[0021] The driven gear is engaged with the driving gear, and the driving gear is connected to the output end of the first motor; a cavity is provided in the second rotating roller, an extended inner roller is provided axially in the cavity of the first rotating roller, and interacting raised paddles are equidistantly provided on the outer circumference of the extended inner roller and the inner circumference of the cavity.

[0022] Preferably, the driven sprocket, the driving sprocket, the driven gear and the driving gear are all rotatably mounted in the third isolation chamber via a mounting frame.

[0023] Based on the above technical solution, by setting up a coaxially arranged driving sprocket and driven gear, the second motor and the first motor can be used to realize normal synchronous feeding and detection of the sampling belt and the comparison belt, and at the same time, the sampling belt can be displaced relative to the comparison belt to realize comparison inspection of different sampling pieces with the same color card, thereby further improving the accuracy of detection; similarly, according to the exchange of the layout position and the adjustment of the sampling bucket position, the comparison belt can also be displaced relative to the sampling belt, that is, a single sampling piece corresponds to two colorimetric pieces for detection.

[0024] In summary, this application has the following beneficial technical effects:

[0025] 1. The present invention realizes automatic switching of the sampling strips during each sampling and testing by placing the sampling strips and the comparison strips on the unwinding roller and the winding roller, and simultaneously realizes real-time automatic comparison and testing of the samples by using the controller and the camera;

[0026] 2. The present invention has a simple structure and is not limited to drainage fluid effusion. After the sampling tape and the comparison tape are arranged on the unwinding roller and the winding roller, batch and long-term automatic comparison and detection of different types of liquids can be performed;

[0027] 3. The present invention has a simple structure. By adding a purge component to the conveying path of the sampling belt, it can clean the liquid on the sampling belt that has not been absorbed by the sampling sheet, thereby effectively preventing the liquid from entering the detection chamber and contaminating the camera, greatly improving the accuracy of the detection;

[0028] 4. The present invention provides a coaxially arranged driving sprocket and driven gear, and utilizes the second motor and the first motor to realize normal synchronous feeding and detection of the sampling belt and the comparison belt. At the same time, it can also realize the offset movement of the sampling belt relative to the comparison belt, realize the comparison inspection of different sampling pieces with the same color card, and further improve the accuracy of detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the principle structure of the present invention;

[0030] Figure 2 It is a front structural schematic diagram of the present invention;

[0031] Figure 3 This is a cross-sectional view of the side structure of the present invention Figure 1 ;

[0032] Figure 4 This is a cross-sectional view of the side structure of the present invention Figure 2 ;

[0033] Figure 5 It is a cross-sectional view of the front view structure of the present invention;

[0034] Figure 6It is a schematic diagram of the back structure of the present invention;

[0035] Figure 7 It is a structural schematic diagram of the unwinding roller and the winding roller in the present invention;

[0036] Figure 8 It is a schematic diagram of the structure of the sampling belt after deformation application in the present invention;

[0037] Figure 9 It is a schematic structural diagram of the unwinding roller and the winding roller after deformation and application in the present invention.

[0038] Description of reference numerals:

[0039] 1. Unwinding roller, 2. Rewinding roller, 3. Sampling tape, 4. Comparison tape, 5. Box, 6. Waste discharge box, 7. Purge assembly, 8. Drive assembly, 9. Controller, 10. First isolation chamber, 11. Sampling chamber, 12. Detection chamber, 13. Second isolation chamber, 14. Sampling hopper, 15. Solenoid valve, 16. Photoelectronic positioner, 17. Camera,

[0040] 101. First rotating roller, 102. Second rotating roller, 201. Third rotating roller, 202. Fourth rotating roller, 203. Extended inner roller, 204. Raised paddle, 301. Sampling piece, 302. Hollow groove, 401. Color card, 501. Third isolation chamber, 601. Liquid accumulation groove, 602. Slope groove, 603. Exhaust grille, 801. Mounting frame, 802. Driven sprocket, 803. Driving sprocket, 804. Driven gear, 805. Driving gear, 806. First motor, 807. Second motor, 808. Chain, 1401. Liquid inlet. DETAILED DESCRIPTION

[0041] The specific implementation of the present invention is described below with reference to the accompanying drawings and embodiments:

[0042] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which the present invention can be implemented. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in the present invention without affecting the efficacy and purpose that can be achieved by the present invention.

[0043] At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description and are not used to limit the scope of implementation of the present invention. Changes or adjustments to their relative relationships should be regarded as the scope of implementation of the present invention without substantially changing the technical content.

[0044] The following is combined with Figure 1-9 This application is further described in detail.

[0045] The embodiments of the present application disclose a system for detecting drainage fluid effusion in vivo.

[0046] Example 1

[0047] Reference Figure 1 The present embodiment discloses an in vivo drainage fluid effusion detection system, comprising a controller 9, a sampling belt 3 and a comparison belt 4 arranged in parallel, both ends of which are respectively wound around a unwinding roller 1 and a winding roller 2, and the sampling belt 3 is vertically corresponding to the liquid inlet 1401. A number of sampling pieces 301 are equidistantly provided on the sampling belt 3, and the sampling belt 3 and the comparison belt 4 are driven forward by the winding roller 2 to realize automatic switching of the sampling piece 301 during each sampling test. In this structure, the travel route of the sampling piece 301 is divided into a first isolation chamber 10, a sampling chamber 11, a detection chamber 12 and a second isolation chamber 13 which are independent of each other. A camera 17 is provided on the top of the detection chamber 12, and the camera 17 is used to scan and compare the color difference between the sampling piece 301 and the comparison belt 4.

[0048] An electromagnetic valve 15 is installed on the liquid inlet 1401, the winding roller 2 is connected to the drive component 8, and an optoelectronic locator 16 is provided at the bottom of the sampling belt 3 for detecting when the sampling piece 301 reaches the sampling position. In this structure, the signal input end of the controller 9 is electrically connected to the optoelectronic locator 16, and its signal output end is electrically connected to the drive component 8, the electromagnetic valve 15 and the camera 17 respectively.

[0049] Example 2

[0050] Reference Figures 2 to 5 , and based on the above embodiments, this embodiment also provides an in vivo drainage fluid effusion detection system, which also includes a box body 5 for accommodating a first isolation chamber 10, a sampling chamber 11, a detection chamber 12 and a second isolation chamber 13, and a purge assembly 7 arranged at the end of the sampling chamber 11, a waste box 6 is provided at the bottom of the sampling chamber 11 for lateral sliding, a sampling hopper 14 is provided at the top of the box body 5, and the bottom of the sampling hopper 14 is provided as a liquid inlet 1401 connected to the sampling chamber 11. In this structure, the purge assembly 7 is composed of a fan and a vertical air duct, and the fan acts on the sampling piece 301 after sampling to remove the unabsorbed effusion.

[0051] An upwardly opening liquid accumulation groove 601 is provided in the waste discharge box 6 at a position corresponding to the liquid inlet 1401, and an upwardly opening slope groove 602 is provided in the waste discharge box 6 at a position vertically corresponding to the purge assembly 7. An exhaust grille 603 is provided on the upper part of the slope groove 602, and its lower part is communicated with the liquid accumulation groove 601. In this structure, the waste discharge box 6 is used to collect the remaining dripping accumulated liquid when the sampling tape 3 is sampling, as well as the accumulated liquid blown off the sampling tape 3 by the purge assembly 7.

[0052] Example 3

[0053] Reference Figures 1 to 7 Based on the above embodiment, this embodiment further provides an in vivo drainage fluid effusion detection system, wherein the contrast tape 4 is provided with a plurality of color cards 401 equidistantly along its length, and the color cards 401 correspond one-to-one to the sampling pieces 301. In this structure, the sampling tape 3 is provided with hollow grooves 302 for the effusion to fall along its length and between adjacent sampling pieces 301. When the liquid inlet 1401 is vertically aligned with the hollow grooves 302, it is possible to collect only the effusion in the middle section, thereby eliminating the inaccuracy of the sampling data of the effusion in the front and rear sections.

[0054] Example 4

[0055] Reference Figures 7 to 9 , and based on the above embodiment, this embodiment also provides an in vivo drainage fluid effusion detection system, a third isolation compartment 501 for installing a drive assembly 8 is provided on the back of the box body 5, the unwinding roller 1 and the winding roller 2 are both axially split structures, the winding roller 2 is axially split and connected to different drive sources, and a coil spring structure is provided between the axial splits of the unwinding roller 1. In this structure, the unwinding roller 1 is composed of a first rotating roller 101 for winding a sampling tape 3 and a second rotating roller 102 for winding a comparison tape 4, which are rotatably connected to each other. The winding roller 2 is composed of a third rotating roller 201 for winding the sampling tape 3 and a fourth rotating roller 202 for winding the comparison tape 4, which are rotatably connected to each other.

[0056] The driving assembly 8 includes a coaxially arranged driving sprocket 803 and a driven gear 804, which are slidingly connected to each other. The driving sprocket 803 is connected to the fourth rotating roller 202, and the driving sprocket 803 is also connected to the driven sprocket 802 through the chain 808. The driven sprocket 802 is connected to the second rotating roller 102. The driving sprocket 803 is connected to the output end of the second motor 807. The driven gear 804 is engaged with the driving gear 805, and the driving gear 805 is connected to the output end of the first motor 806. The driven gear 804 is connected to the third rotating roller 201. In this structure, the driven sprocket 802, the driving sprocket 803, the driven gear 804 and the driving gear 805 are all rotatably installed in the third isolation chamber 501 through the mounting frame 801.

[0057] A cavity is provided in the second rotating roller 102, and an extended inner roller 203 is provided axially in the cavity of the first rotating roller 101, and interacting raised paddles 204 are equidistantly provided on the outer circumference of the extended inner roller 203 and the inner circumference of the cavity. In this structure, the second motor 807 drives the fourth rotating roller 202 to rotate through the active sprocket 803, and under the action of the raised paddle 204, the fourth rotating roller 202 can drive the third rotating roller 201 to rotate synchronously; when the second motor 807 is locked, the first motor 806 can drive the driven gear 804 and the third rotating roller 201 to rotate relative to the fourth rotating roller 202.

[0058] The specific implementation process is as follows: the accumulated liquid automatically drips onto the sampling belt 3 from the liquid inlet 1401; the second motor 807 drives the active sprocket 803 and the fourth rotating roller 202, and after the raised paddles 204 on both sides abut against each other, the fourth rotating roller 202 rotates to drive the third rotating roller 201 to rotate synchronously, and thus the sampling belt 3 and the comparison belt 4 are synchronously transported forward; after entering the detection chamber 12, the camera 17 has its own photographic aperture, and the camera 17 takes pictures and collects the color card 401 and the sample piece 301; then the second motor 807 is locked, and after the raised paddles 204 on both sides are started, they no longer abut against each other, and the first motor 806 drives the driven gear 804 and the third rotating roller 201 to rotate relative to the fourth rotating roller 202, and then after the color card 401 is parallel to the other sample piece 301, the camera 17 takes pictures and collects them again; the controller 9 integrates the data collected twice;

[0059] Subsequently, the first motor 806 is turned off, and the third rotating roller 201 is reset under the action of the coil spring. The second motor 807 continues to drive the fourth rotating roller 202 and the third rotating roller 201 to rotate synchronously, and the above operation is repeated.

[0060] Many other changes and modifications can be made without departing from the spirit and scope of the present invention. It should be understood that the present invention is not limited to the specific embodiments, and the scope of the present invention is defined by the appended claims.

Claims

1. A system for detecting drainage fluid effusion in vivo, characterized in that: include: The sampling tape (3) and the comparison tape (4) are arranged in parallel, with both ends being wound around the unwinding roller (1) and the rewinding roller (2) respectively, and the sampling tape (3) is vertically corresponding to the liquid inlet (1401), and a plurality of sampling pieces (301) are equidistantly provided on the sampling tape (3), and the sampling tape (3) and the comparison tape (4) are driven forward by the rewinding roller (2) to realize automatic switching of the sampling pieces (301) during each sampling test; The route of the sampling piece (301) is divided into a first isolation chamber (10), a sampling chamber (11), a detection chamber (12), and a second isolation chamber (13) which are independent of each other. A camera (17) is provided on the top of the detection chamber (12). The camera (17) is used to scan and compare the color difference between the sampling piece (301) and the comparison tape (4). It also includes a controller (9), a solenoid valve (15) is installed on the liquid inlet (1401), the winding roller (2) is connected to a drive assembly (8), and a photoelectric positioner (16) for detecting that the sampling piece (301) reaches the sampling position is provided at the bottom of the sampling belt (3); The signal input end of the controller (9) is electrically connected to the photoelectric positioner (16), and the signal output end thereof is electrically connected to the drive component (8), the solenoid valve (15) and the camera (17) respectively; It also includes a box (5) for accommodating the first isolation chamber (10), the sampling chamber (11), the detection chamber (12), and the second isolation chamber (13); a sampling hopper (14) is provided on the top of the box (5); and a bottom of the sampling hopper (14) is provided with the liquid inlet (1401) that is in communication with the sampling chamber (11); It also includes a purge assembly (7) located at the end of the sampling chamber (11), which is composed of a fan and a vertical air duct, and the fan acts on the sampling piece (301) after sampling to remove unabsorbed accumulated liquid; A waste discharge box (6) is provided on the bottom of the sampling chamber (11) for sliding sideways, and a liquid accumulation tank (601) opening upward is provided in the waste discharge box (6) at a position corresponding to the liquid inlet (1401); An upwardly opening inclined groove (602) is provided in the waste discharge box (6) at a position vertically corresponding to the purge assembly (7); an exhaust grille (603) is provided at the upper portion of the inclined groove (602), and a lower portion thereof is communicated with the liquid accumulation groove (601); The contrast tape (4) is provided with a plurality of color cards (401) at equal intervals along its length direction, and the color cards (401) correspond one to one with the sampling sheets (301).

2. The in vivo drainage fluid effusion detection system according to claim 1, characterized in that: The sampling belt (3) is provided with hollow grooves (302) along its length direction and between adjacent sampling pieces (301) for the accumulated liquid to fall.

3. The in vivo drainage fluid effusion detection system according to claim 2, characterized in that: The back of the box (5) is provided with a third isolation chamber (501) for installing the drive assembly (8), the unwinding roller (1) and the winding roller (2) are both axially split structures, the winding roller (2) is axially split and connected to different drive sources, and a coil spring structure is provided between the axial splits of the unwinding roller (1).

4. The system for detecting drainage fluid accumulation in vivo according to claim 3, characterized in that: The unwinding roller (1) is composed of a first rotating roller (101) for winding the sampling tape (3) and a second rotating roller (102) for winding the comparison tape (4), which are rotatably connected to each other; the winding roller (2) is composed of a third rotating roller (201) for winding the sampling tape (3) and a fourth rotating roller (202) for winding the comparison tape (4); The driving assembly (8) comprises a coaxially arranged driving sprocket (803) and a driven gear (804), which are in sliding connection with each other, the driving sprocket (803) being connected to the fourth rotating roller (202), and the driving sprocket (803) being further connected to the driven sprocket (802) via a chain (808), the driven sprocket (802) being connected to the second rotating roller (102), and the driving sprocket (803) being connected to the output end of the second motor (807); The driven gear (804) is meshed with the driving gear (805), and the driving gear (805) is connected to the output end of the first motor (806); A cavity is provided in the second rotating roller (102), an extended inner roller (203) is provided axially in the cavity on the first rotating roller (101), and interacting raised paddles (204) are equidistantly provided on the outer circumference of the extended inner roller (203) and the inner circumference of the cavity.

5. The in vivo drainage fluid effusion detection system according to claim 4, characterized in that: The driven sprocket (802), the driving sprocket (803), the driven gear (804) and the driving gear (805) are all rotatably mounted in the third isolation chamber (501) via a mounting frame (801).

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