An automatic groin puncture point detection and compression system

Abstract

The present application relates to a kind of inguinal puncture point automatic detection compression systems, system includes acquisition unit, analysis unit, pressing unit and control unit;Acquisition unit includes first acquisition component and second acquisition component;Analysis unit is configured with the first analysis component of the image of the first acquisition component for continuously receiving and the second analysis component of the image of the second acquisition component for receiving, the end of the pressure rod in pressing unit away from the surface of the transparent visual window connected in pressing unit, first acquisition component carries out acquisition to the image at the pressure plate, second acquisition component carries out acquisition to the skin image around the pressure plate, first analysis component and second analysis component are respectively received to the image and carry out cutting, binaryzation processing and contrast analysis, control unit obtains the confirmation bleeding signal and / or confirmation red and swollen signal of the output of first analysis component and / or second analysis component, and exports control signal.

Description

[0001] The original basis for this divisional application is patent application No. 202211533720.5, filed on November 29, 2022, entitled "An observable groin puncture point restraint system". Technical Field

[0002] This invention relates to the field of medical rehabilitation equipment technology, and in particular to an automatic groin puncture point detection and compression system. Background Technology

[0003] The groin area is located between the lower abdomen and the thigh, and is richly supplied with nerves, blood vessels, and ligaments. The main artery in the groin area is the femoral artery, a common puncture site for interventional procedures. Interventional procedures via the femoral artery can treat tumors, aneurysms, vascular malformations, and various types of bleeding. The procedure typically involves the following steps: locating a suitable puncture site; disinfecting the puncture site and surrounding skin; anesthetizing the puncture site and surrounding skin; puncturing the femoral artery with a needle; inserting a guidewire into the femoral artery and withdrawing the needle; inserting an arterial sheath and sheath core assembly along the guidewire; withdrawing the guidewire and sheath core after the sheath is in place; confirming and flushing the sheath; securing the sheath; and controlling hemostasis at the puncture site. However, improper sheath fixation and delayed hemostasis at the puncture site, leading to complications around the puncture site, remain common problems.

[0004] Existing technologies, such as the invention patent document CN113197612A, disclose a visually adjustable pressure compression hemostasis device for femoral artery puncture points. This device includes a main body and a fixing bandage. The fixing bandage is mounted on the main body, and a visual support frame is fixedly connected to the side wall of the main body. This visual support frame allows for direct observation during the compression hemostasis process. Simultaneously, the main body is equipped with a compression hemostasis mechanism, which achieves hemostasis through pressure. While this prior art allows for basic observation of the compression hemostasis process, the visual support frame only provides a rough, side-view observation, and this observation must be done manually. Medical staff and even the patient cannot constantly monitor the specific condition of the puncture point. Therefore, in such cases, complications such as bleeding and swelling may not be detected in a timely manner.

[0005] The prior art, such as the invention patent document with publication number CN107970054A, discloses a femoral artery puncture point inflatable pressure tourniquet, which includes a waist fixation belt and a groin fixation belt. The waist fixation belt is horizontally set and used to wrap around and fix the waist of the human body. The upper end of the groin fixation belt is connected to the middle of the waist fixation belt, and the lower end of the groin fixation belt extends downward at an angle. The groin fixation belt is used to wrap around and fix the groin of the puncture side of the human body. A transparent pressure-type airbag is set on the groin fixation belt at the corresponding femoral artery puncture point. The transparent pressure-type airbag includes a rigid plate on the outer side, a mesh elastic layer on the inner side, and a transparent airbag covering the rigid plate and the mesh elastic layer. The two ends of the rigid plate are respectively connected to the groin fixation belt. The mesh elastic layer is fixedly connected to the rigid plate. A pressure gauge is set on one side of the transparent airbag.

[0006] An adjustable groin compression device, as proposed in the utility model patent document with publication number CN216363758U, includes: a pair of briefs; a fixing component including a waistband, a leg fixing strap, and a connecting strap disposed between the two; a receiving component disposed on the connecting strap; the bottom wall of the connecting strap is detachably connected to the corresponding compression position of the briefs; and a compression component detachably disposed on the receiving component and pressurizing the compression object inside the receiving component.

[0007] Most existing techniques for fixing and stopping bleeding at the femoral artery puncture site in the groin do not consider the observation of the specific condition of the puncture site, such as the latter two techniques mentioned above. Even those few existing techniques that do consider the need to observe the condition of the puncture site still have considerable room for improvement. For example, the observation method of existing techniques can only be observed manually from the side, and the observation area and situation need to be improved. Secondly, manual observation (including medical staff and the patient themselves) cannot constantly monitor the condition of the puncture site, which may lead to the delay in discovering bleeding, redness, or other conditions at the puncture site. Furthermore, the hemostatic compression device of existing techniques cannot apply pressure to stop bleeding immediately. Hemostasis can only be achieved by manually adjusting the hemostatic compression device after the bleeding at the puncture site is observed manually, and the timeliness of hemostasis needs to be improved.

[0008] Furthermore, on the one hand, there are differences in understanding among those skilled in the art; on the other hand, the inventors studied a large number of documents and patents when making this invention, but due to space limitations, not all details and contents were listed in detail. However, this does not mean that the present invention does not possess the features of these prior art. On the contrary, the present invention already possesses all the features of the prior art, and the applicant reserves the right to add relevant prior art to the background art. Summary of the Invention

[0009] To address the shortcomings of existing technical solutions, this application proposes an observable groin puncture point restraint system. The restraint system includes: a data acquisition unit for real-time acquisition of the puncture point's status information; an analysis unit for analyzing the puncture point's status information collected by the data acquisition unit and outputting the results; a control unit for outputting control signals based on the analysis results from the analysis unit; and a compression unit for compressing and restraining the puncture point after groin interventional surgery.

[0010] Binarization processing is used to process the images acquired at the patient's puncture site, enabling constraint control and management of the puncture point after groin interventional surgery with minimal computational processing configuration.

[0011] By configuring the above-mentioned units, the condition of the puncture point and the surrounding skin can be monitored in real time. They can also work together to take timely hemostasis measures and alarm measures when bleeding or swelling occurs at the puncture point. The compression unit can also stably and for a long time fix the sheath in the puncture point to prevent the sheath from dislodging and / or shifting.

[0012] Preferably, the compression unit has a pressure plate capable of compressing the puncture point and a pressure rod connected to the pressure plate. The end of the pressure rod away from the pressure plate passes through and is connected to the surface of a transparent viewing window of the compression unit. Inside the viewing window, there is a first acquisition component capable of acquiring images at the pressure plate and a second acquisition component capable of acquiring images of the skin around the pressure plate. The analysis unit can receive the image information acquired by the acquisition unit and perform binarization processing and comparative analysis on the image information. The control unit can output a control signal based on the analysis results of the analysis unit and adjust the pressure applied by the pressure plate of the compression unit to the puncture point.

[0013] In the above configuration, the pressure plate can apply pressure to stop bleeding around the puncture point and also has a certain fixing effect on the indwelling sheath at the puncture point. The viewing window is transparent, and the puncture point and the surrounding skin can be clearly observed through the top and / or side of the viewing window. The acquisition unit can capture image information of the puncture point and the surrounding skin at a certain frequency and send the acquired image information to the analysis unit for analysis. The control unit receives the analysis results from the analysis unit and determines whether to implement corresponding control operations based on the results. Under the control of the control unit, the pressure unit can adjust the pressure applied to the puncture point by the pressure plate through the adjustment component of the pressure unit.

[0014] Preferably, the first and second acquisition components of the acquisition unit can acquire initial images of the pressure plate and the skin around the pressure plate respectively at the first moment when the restraint system is installed at the puncture point, and the first and second acquisition components can acquire corresponding images at a first frequency in subsequent time.

[0015] The initial images are collected for comparison and analysis with images collected in subsequent time periods to determine whether bleeding or swelling has occurred.

[0016] Preferably, the analysis unit is configured inside a cavity that is fixedly connected to the viewing window of the pressing component. The analysis unit is configured with a first analysis component that can continuously receive images acquired by the first acquisition component and a second analysis component that can receive images acquired by the second acquisition component. The first analysis component and the second analysis component will respectively crop the received images. The first analysis component crops to obtain a first image that retains only the pressing plate state, and the second analysis component crops to obtain a second image that retains only the skin state, thereby avoiding mutual interference between the pressing plate state and the skin state.

[0017] When the compression unit is installed, if bleeding occurs at the puncture point, the blood will seep into the compression plate and change its color, instead of flowing directly onto the surrounding skin. By separately acquiring and cropping images of the compression plate and the skin around the plate, the bleeding and swelling can be judged separately. The cropped images can also reduce the amount of computation during the analysis and comparison process.

[0018] Preferably, the first analysis component and the second analysis component are capable of binarizing the cropped image.

[0019] Furthermore, the first analysis component can binarize the initial image of the first image to white. If the puncture point shows signs of bleeding and contaminates the pressure plate, the contaminated part of the pressure plate will be binarized to black.

[0020] Furthermore, the second analysis component can binarize the initial image of the second image to white, and if the skin around the puncture point is red and swollen, the red and swollen skin will be binarized to black.

[0021] Furthermore, the analysis unit can perform pixel analysis on the binarized image to obtain the number of white pixels and the number of black pixels, and calculate the pixel difference between the number of white pixels and the number of black pixels.

[0022] Following the steps described above, the analysis unit can obtain the pixel difference between the bleeding or swollen area and the non-bleeding or non-swollen area in the image acquired by the acquisition unit at each frequency. Then, the pixel difference is compared with the pixel difference of the same type in the initial image. If the difference between the two exceeds a preset threshold, there is a risk of bleeding or swelling.

[0023] Preferably, the analysis unit compares the difference between each acquired image with the difference between the initial image. When the pixel difference between the two exceeds a set threshold for the first time, the following corresponding operations are performed: If the first image shows the above situation, the first analysis component sends a suspected bleeding signal to the first acquisition component. After receiving the suspected bleeding signal, the first acquisition component adjusts the image acquisition frequency from the first frequency to the second frequency. If the pixel difference between the first image acquired at the second frequency and the pixel difference between the initial image still exceeds the threshold, the first analysis component sends a confirmed bleeding signal to the control unit. If the second image shows the above situation, the second analysis component sends a suspected swelling signal to the second acquisition component. After receiving the suspected swelling signal, the second acquisition component adjusts the image acquisition frequency from the first frequency to the second frequency. If the pixel difference between the second image acquired at the second frequency and the pixel difference between the initial image still exceeds the threshold, the second analysis component sends a confirmed swelling signal to the control unit.

[0024] In the above configuration, the suspected bleeding signal and / or suspected swelling signal fed back by the analysis unit are sent to the acquisition unit. After receiving the suspected bleeding signal, the acquisition unit can acquire the image of the corresponding area at a second frequency that is faster than the first frequency, thereby speeding up the verification process and avoiding the delay in the activation of hemostasis and early warning measures.

[0025] Preferably, the control unit disposed inside the top layer of the cavity is capable of acquiring the confirmed bleeding signal and / or confirmed redness and swelling signal output by the first analysis component and / or the second analysis component.

[0026] Furthermore, upon receiving a confirmed bleeding signal, the control unit will drive the adjustment component of the compression unit to make preliminary adjustments to the pressure applied to the puncture point in order to temporarily stop the bleeding by increasing the pressure. The control unit will also drive the warning component of the control unit to send a bleeding warning signal.

[0027] Furthermore, upon receiving a confirmed redness and swelling signal, the control unit will drive the warning component to send a redness and swelling warning signal.

[0028] In the above configuration, if bleeding occurs at the puncture site, it is necessary to stop the bleeding at the puncture site in time. Therefore, when the control unit receives the confirmation bleeding signal from the first analysis component, it will control the adjustment component to pressurize the pressure plate and send a bleeding warning signal to the warning component. However, no emergency treatment is required for redness and swelling, so only a redness and swelling warning signal needs to be issued.

[0029] Preferably, the acquisition unit, analysis unit, and control unit are all configured on the mechanical structure of the pressing unit. The viewing window of the pressing unit is surrounded by an adhesive layer that can be adhered to the skin around the puncture point. The viewing window includes a fixed window and a movable window that can be movably connected to each other. A pressure rod that penetrates the surface of the movable window away from the fixed window is connected to a limiting block at one end of the outer surface of the movable window to prevent the pressure rod from detaching from the movable window. A movable flap is connected in series on the inner side of the inner surface of the movable window. A spring is sleeved on the pressure rod between the flap and the pressure plate.

[0030] With the above configuration, the dressing layer fixes the viewing window around the puncture point, and the pressure plate fits precisely against the puncture point to compress and restrain the area around the puncture point and stop bleeding. The method of using a movable plate to compress the spring has a certain buffering effect compared to the method of directly pushing the pressure rod to apply pressure to the pressure plate. The method of directly pushing the pressure does not have a buffering effect, and the amount of pressure applied will be directly applied to the pressure plate. Excessive pressure may cause additional damage to the wound at the puncture point.

[0031] Preferably, the adjustment component of the pressing unit is located inside the cavity. The adjustment column sleeved on the positioning column is driven by the drive gear shaft to rotate, thereby steplessly adjusting the position of the flap. A slit is provided on the bottom surface of the cavity connected to the movable window, through which the housing of the adjustment column can pass. The part of the adjustment column passing through the slit is connected to the flap. The distance between the flap and the pressure plate can be adjusted by the adjustment column, thereby compressing the spring between them. The pressing unit also has a manual adjustment component on the side of the drive gear shaft away from the adjustment column.

[0032] Preferably, the positioning post and the adjusting post of the adjusting component are fitted in the manner of screw and nut fitting. The end of the adjusting post away from the movable window is equipped with a gear disk that is fixedly connected to the adjusting post. The gear disk is driven by a gear shaft set inside the cavity. The axial direction of the gear shaft is parallel to the axial direction of the adjusting post.

[0033] Compared to directly using a telescopic rod for adjustment, using gears to drive the adjustment column can save more length space while meeting the same stroke requirements, thus making it easier to design the entire pressing unit to be more compact.

[0034] Preferably, the compression unit is further configured with a fixing component for holding the compression unit around the puncture point.

[0035] Furthermore, the fixation component is equipped with at least one waist strap that can be wrapped around the patient's waist. The waist strap is connected to the dressing layer of the compression unit via a connecting strap. The fixation component is also equipped with at least one first leg strap and a second leg strap that can be wrapped around the patient's legs on the dressing layer. The length of the straps of the fixation component is adjustable, and the surface of the straps that fit against the skin is adhesive.

[0036] The compression unit is further secured by various straps of the fixing components, which effectively prevents the compression unit from falling off or shifting from the puncture site. Furthermore, the adjustable straps can adapt to patients of different body types, improving the versatility of the restraint system of this invention. Attached Figure Description

[0037] Figure 1 This is a simplified connection diagram of the constraint system of the present invention;

[0038] Figure 2 This is a simplified structural diagram of the pressing component of the present invention;

[0039] Figure 3 This is a partially simplified structural diagram of the pressing component of the present invention;

[0040] Figure 4 This is a simplified structural diagram of the view window of the present invention;

[0041] Figure 5 This is a simplified top view of the pressing component of the present invention.

[0042] List of reference numerals

[0043] 100: Acquisition unit; 200: Analysis unit; 300: Control unit; 400: Suppression unit; 500: Terminal; 110: First acquisition component; 120: Second acquisition component; 210: First analysis component; 220: Second analysis component; 310: Early warning component; 320: Power component; 410: Adjustment component; 450: Fixing component; 411: Viewing window; 412: Pressure plate; 413: Pressure rod; 414: Movable plate ; 415: Spring component; 416: Positioning post; 417: Adjusting post; 418: Gear shaft; 419: Gear disc; 420: Cavity; 421: First partition; 422: Second partition; 423: Shell layer; 424: Contact layer; 425: Adhesive layer; 426: Fixing strip; 427: Limiting block; 428: Fixed window; 429: Movable window; 451: Waist strap; 452: First leg strap; 453: Second leg strap. Detailed Implementation

[0044] The following is in conjunction with the appendix Figure 1-5 The present invention will be described in detail below.

[0045] Figure 1The diagram illustrates the connection relationships of the various units of an observable groin puncture point restraint system according to the present invention. The restraint system includes: a data acquisition unit 100 for real-time acquisition of the puncture point status information; an analysis unit 200 for analyzing the puncture point status information collected by the data acquisition unit 100 and outputting the results; a control unit 300 for outputting control signals based on the analysis results of the analysis unit 200; and a compression unit 400 for compression and restraint of the puncture point after groin interventional surgery.

[0046] By configuring the above-mentioned units, the condition of the puncture point and the surrounding skin can be monitored in real time, and timely hemostasis and alarm measures can be taken when bleeding or swelling occurs at the puncture point. Among them, the compression unit 400 can also stably and for a long time fix the sheath in the puncture point to prevent the sheath from dislodging and / or shifting.

[0047] according to Figure 2-4 As shown, the compression unit 400 has a pressure plate 412 capable of compressing the puncture point and a pressure rod 413 connected to the pressure plate 412. One end of the pressure rod 413, away from the pressure plate 412, extends through and connects to the surface of a transparent viewing window 411 of the compression unit 400. Inside the viewing window 411 are a first acquisition component 110 capable of acquiring images of the pressure plate 412 and a second acquisition component 120 capable of acquiring images of the skin surrounding the pressure plate 412. The analysis unit 200 receives the image information acquired by the acquisition unit 100 and performs binarization and comparative analysis on the image information. The control unit 300 outputs a control signal based on the analysis results of the analysis unit 200 and adjusts the pressure applied to the puncture point by the pressure plate 412 of the compression unit 400.

[0048] In the above configuration, the pressure plate 412 can apply pressure to stop bleeding around the puncture point and has a certain fixing effect on the indwelling sheath at the puncture point. The viewing window 411 is transparent, and the puncture point and the surrounding skin can be clearly observed through the top and / or side of the viewing window 411. The acquisition unit 100 can capture image information of the puncture point and the surrounding skin at a certain frequency and send the acquired image information to the analysis unit 200 for analysis. The control unit 300 receives the analysis results from the analysis unit 200 and determines whether to implement corresponding control operations based on the results. Under the control of the control unit 300, the pressure applied to the puncture point by the pressure plate 412 can be adjusted by the adjustment component 410 of the pressure unit 400.

[0049] Preferably, the surface where the pressure plate 412 of the pressing unit 400 connects to the pressure rod 413 is configured as a shell layer 423, and a contact layer 424 is provided on the surface of the shell layer 423 that contacts the puncture point. Specifically, the shell layer 423 is also transparent, but the shell layer 423 has a certain hardness, and the contact layer 424 can be made of medical cotton attached to the surface of the shell layer 423.

[0050] Specifically, the geometric center region of the shell 423 of the pressure plate 412 is raised, that is, there is a raised point in the central region of the shell 423 that is higher than the surrounding area. This raised point extends smoothly from the surrounding area, and there is also a groove on the shell 423 extending from the raised point to one of the edges. This raised configuration avoids direct pressure on the puncture point when the pressure plate 412 compresses the skin around the puncture point; instead, it uses the edges to compress and stop bleeding from the surrounding blood vessels. The groove is to prevent the pressure plate 412 from excessively compressing the sheath placed at the puncture point and causing it to shift. The groove both fixes the sheath and prevents the sheath from being directly compressed by the pressure plate 412.

[0051] With the above configuration, the dressing layer 425 fixes the viewing window 411 around the puncture point, and the pressure plate 412 fits precisely against the puncture point to compress and restrain the puncture point and stop bleeding. The method of using the flap 414 to compress the spring member 415 has a certain buffering effect compared to the method of directly applying pressure to the pressure plate 412 by pushing the pressure rod 413. The method of directly pushing and pressing does not have a buffering effect, and the amount of pressure applied will be directly applied to the pressure plate 412. Excessive pressure may cause additional damage to the wound at the puncture point.

[0052] Specifically, the mechanical structure of the pressing unit 400 is configured such that the pressing unit 400 has a pressure plate 412 capable of pressing the puncture point and a pressure rod 413 connected to the pressure plate 412. The end of the pressure rod 413 away from the pressure plate 412 is connected through the surface of the transparent viewing window 411 of the pressing unit 400. The pressing status of the pressure plate 412 on the puncture point can be observed through the viewing window 411. An adjustment component 410 is provided on the outer surface of the viewing window 411 away from the pressure plate 412, which can adjust the pressure applied to the puncture point by the spring member 415 sleeved on the pressure rod 413. An adhesive layer 425 capable of adhering to the skin around the puncture point is arranged on the circumferential outer side of the viewing window 411. Several straps of the fixing component 450 are connected to the adhesive layer 425.

[0053] Furthermore, the viewing window 411 is divided into a fixed window 428 that is fixedly connected to the adhesive layer 425 and a movable window 429 that can be detachably connected to the fixed window 428. The fixed window 428 is configured as a cylinder with openings at both ends, and the movable window 429 is configured as a cylinder that is connected to the fixed window 428 with one end open.

[0054] Furthermore, the end of the movable window 429 that is not open is penetrated by a pressure rod 413. One end of the pressure rod 413 on the outer surface of the movable window 429 is connected to a limiting block 427 to prevent the pressure rod 413 from detaching from the movable window 429. A movable flap 414 is connected in series on the inner side of the inner surface of the movable window 429. A spring 415 is sleeved on the pressure rod 413 between the flap 414 and the pressure plate 412.

[0055] Furthermore, the adjustment assembly 410 has a cavity 420 fixedly connected to the outer surface of the movable window 429 on the outer surface of the movable window 429, and a positioning post 416 fixedly connected to the top of the cavity 420 via a connecting post is provided inside the cavity 420.

[0056] Furthermore, the outer surface of the positioning post 416 is provided with threads, and the interior of the positioning post 416 is configured as a hollow area. The end of the limit block 427 connecting the pressure rod 413 that passes through the movable window 429 is placed in the hollow area of ​​the positioning post 416.

[0057] Furthermore, inside the cavity 420, an adjusting post 417 with a height greater than that of the positioning post 416 is sleeved on the positioning post 416, and the inner surface of the adjusting post 417 that is in thread contact with the positioning post 416 is provided with nut threads corresponding to the threads of the positioning post 416.

[0058] Furthermore, the bottom surface of the cavity 420 connected to the movable window 429 is provided with a slit through which the housing of the adjusting column 417 can pass. The part of the adjusting column 417 that passes through the slit is connected to the flap 414. The distance between the flap 414 and the pressure plate 412 can be adjusted by using the adjusting column 417.

[0059] Preferably, the acquisition unit 100, the analysis unit 200, and the control unit 300 are all configured on the mechanical structure of the pressing unit 400.

[0060] Preferably, the adjustment component 410 of the pressing unit 400 is located inside the cavity 420. The drive gear shaft 418 drives the adjustment column 417 sleeved on the positioning column 416 to rotate, thereby steplessly adjusting the position of the flap 414. The bottom surface of the cavity 420 connected to the movable window 429 is provided with a slit through which the housing of the adjustment column 417 can pass. The part of the adjustment column 417 that passes through the slit is connected to the flap 414. The distance between the flap 414 and the pressure plate 412 can be adjusted by using the adjustment column 417, thereby compressing the spring 415 between them.

[0061] Preferably, the positioning post 416 and the adjusting post 417 of the adjusting assembly 410 are fitted in the manner of a screw and nut. The end of the adjusting post 417 away from the movable window 429 is provided with a gear disk 419 fixedly connected to the adjusting post 417. The gear disk 419 is driven by a gear shaft 418 set inside the cavity 420. The axial direction of the gear shaft 418 is parallel to the axial direction of the adjusting post 417.

[0062] Compared to directly using a telescopic rod for adjustment, using gears to drive the adjustment column 417 can save more length space while meeting the same stroke requirements, thus making it easier to design the entire pressing unit 400 to be more compact.

[0063] Preferably, the first acquisition component 110 and the second acquisition component 120 of the acquisition unit 100 can acquire initial images of the pressure plate 412 and the skin around the pressure plate 412 respectively at the first moment when the restraint system is installed at the puncture point, and the first acquisition component 110 and the second acquisition component 120 can acquire corresponding images at a first frequency in subsequent time.

[0064] Specifically, a plurality of first acquisition components 110 are connected to the surface of the flap 414 facing the pressure plate 412. Preferably, four first acquisition components 110 are configured and evenly distributed in four directions around the flap 414. Each first acquisition component 110 can acquire image information of the pressure plate 412 in the corresponding direction. A plurality of second acquisition components 120 are connected to the inner surface of the movable window 429 surrounding the flap 414. Also preferably, four second acquisition components 120 are configured and evenly distributed in four directions around the flap 414. Each second acquisition component 120 can acquire image information of the skin in the corresponding direction.

[0065] More specifically, both the first acquisition component 110 and the second acquisition component 120 can be configured as small cameras, such as mobile phone cameras, to avoid taking up too much space.

[0066] The initial images are collected for comparison and analysis with images collected in subsequent time periods to determine whether bleeding or swelling has occurred.

[0067] Specifically, the first frequency of the acquisition unit 100 is adjustable, and the specific time of the first frequency can be set. For example, the first frequency can be ten minutes, five minutes, three minutes, one minute, etc. Medical staff can choose the acquisition frequency independently according to the patient's specific situation.

[0068] Preferably, the images acquired by the acquisition unit 100 can be sent not only to the analysis unit 200, but also to the terminal 500. Specifically, the terminal 500 can be a medical staff's work computer, mobile phone, or other electronic device capable of receiving image information, thereby facilitating medical staff to quickly view the real-time condition of the puncture site when needed.

[0069] Preferably, the analysis unit 200 is disposed inside the cavity 420 which is fixedly connected to the viewing window 411 of the pressing assembly. Specifically, the analysis unit 200 is disposed in the half-region inside the cavity 420 away from the gear shaft 418, and a first partition 421 for protecting the analysis unit 200 is disposed between the analysis unit 200 and the adjustment assembly 410. The first partition 421 is placed along the axial direction of the fixing post 416 and the adjustment post 417 of the adjustment assembly 410, thus isolating the cavity 420 into two regions.

[0070] Preferably, the analysis unit 200 is configured with a first analysis component 210 capable of continuously receiving images acquired by the first acquisition component 110 and a second analysis component 220 capable of receiving images acquired by the second acquisition component 120. The first analysis component 210 and the second analysis component 220 respectively crop the received images. The first analysis component 210 crops to obtain a first image that retains only the state of the pressure plate 412, and the second analysis component 220 crops to obtain a second image that retains only the skin state, thereby avoiding mutual interference between the state of the pressure plate 412 and the skin state.

[0071] When the compression unit 400 is installed, if bleeding occurs at the puncture point, the blood will seep into the pressure plate 412 and change the color of the pressure plate 412, instead of flowing directly onto the surrounding skin. By separately acquiring and cropping images of the pressure plate 412 and the skin around the pressure plate 412, the bleeding and swelling can be judged separately. The cropped images can also reduce the amount of computation during the analysis and comparison process.

[0072] Preferably, the first analysis component 210 and the second analysis component 220 are capable of binarizing the cropped image.

[0073] Specifically, during binarization, the analysis unit 200 can use methods such as Matlab or Python to process the image.

[0074] Furthermore, the first analysis component 210 can binarize the initial image of the first image to white. If the puncture point shows bleeding and contaminates the pressure plate 412, the contaminated part of the pressure plate 412 will be binarized to black.

[0075] Furthermore, the second analysis component 220 can binarize the initial image of the second image to white, and if the skin around the puncture point is red and swollen, the red and swollen skin will be binarized to black.

[0076] Furthermore, the analysis unit 200 can perform pixel analysis on the binarized image to obtain the number of white pixels and the number of black pixels, and calculate the pixel difference between the number of white pixels and the number of black pixels.

[0077] Following the steps described above, the analysis unit 200 can obtain the pixel difference between the bleeding or swollen area and the non-bleeding or non-swollen area in the image acquired by the acquisition unit 100 at each frequency. Then, the pixel difference is compared with the pixel difference of the same type in the initial image. If the difference between the two exceeds a preset threshold, there is a risk of bleeding or swelling.

[0078] Preferably, the analysis unit 200 compares the difference between each acquired image with the difference between the initial image. When the pixel difference between the two exceeds a set threshold for the first time, the following corresponding operations are performed: If the first image shows the above situation, the first analysis component 210 sends a suspected bleeding signal to the first acquisition component 110. After receiving the suspected bleeding signal, the first acquisition component 110 adjusts the image acquisition frequency from the first frequency to the second frequency. If the pixel difference between the first image acquired at the second frequency and the pixel difference between the initial image still exceeds the threshold, the first analysis component 210 sends a confirmed bleeding signal to the control unit 300. If the second image shows the above situation, the second analysis component 220 sends a suspected swelling signal to the second acquisition component 120. After receiving the suspected swelling signal, the second acquisition component 120 adjusts the image acquisition frequency from the first frequency to the second frequency. If the pixel difference between the second image acquired at the second frequency and the pixel difference between the initial image still exceeds the threshold, the second analysis component 220 sends a confirmed swelling signal to the control unit 300.

[0079] In the above configuration, the suspected bleeding signal and / or suspected swelling signal fed back by the analysis unit 200 are sent to the acquisition unit 100. After receiving the suspected bleeding signal, the acquisition unit 100 can acquire the image of the corresponding area at a second frequency that is faster than the first frequency, thereby speeding up the verification process and avoiding the delay in the activation of hemostasis measures and early warning measures.

[0080] Specifically, the second frequency of the acquisition unit 100 needs to acquire images quickly. Therefore, the second frequency is preferably set to ten seconds, five seconds, three seconds, etc., so as to quickly confirm the suspected bleeding signal and avoid spending too much time verifying the suspected bleeding signal.

[0081] Preferably, the control unit 300 disposed inside the top layer of the cavity 420 is capable of acquiring the confirmed bleeding signal and / or confirmed swelling signal output by the first analysis component 210 and / or the second analysis component 220.

[0082] Specifically, a second partition 422 is provided at the top of the cavity 420, thereby isolating the positioning post 416 and adjusting post 417 of the adjusting assembly 410 and a portion of the gear shaft 418 from the control unit 300. A portion of the gear shaft 418 extends through the second partition 422, and the power assembly 320 of the control unit 300, configured as a motor, for driving the gear shaft 418, is connected to the portion of the gear shaft 418 extending out of the second partition 422.

[0083] Furthermore, upon receiving a confirmed bleeding signal, the power component 320 of the control unit 300 drives the adjustment component 410 of the compression unit 400 to initially adjust the pressure applied to the puncture point, thereby increasing the pressure for temporary hemostasis. The control unit 300 also drives its warning component 310 to send a bleeding warning signal. Specifically, the power component 320 can be configured as a small rotary motor, and the control unit 300 controls the motor's rotation by controlling the power supply connected to the power component 320.

[0084] Furthermore, upon receiving a confirmed redness and swelling signal, the control unit 300 will drive the warning component 310 to send a redness and swelling warning signal.

[0085] In the above configuration, if bleeding occurs at the puncture site, the bleeding needs to be stopped in time. Therefore, when the first analysis component 210 confirms the bleeding signal, the control unit 300 will control the adjustment component 410 to pressurize the pressure plate 412 and send a bleeding warning signal to the warning component 310. However, no emergency treatment is required for redness and swelling, so only a redness and swelling warning signal needs to be issued.

[0086] Preferably, after the control unit 300 issues a warning signal, the warning component 310 will sound an alarm. The alarm method can be through sound, such as a buzzer, or through light, such as a flashing indicator light; or a combination of both.

[0087] Preferably, the warning signal from the control unit 300 can also be sent to the terminal 500 of the medical staff. When the signal is sent to the terminal 500 of the medical staff, it can attract the attention of the medical staff through vibration, ringing, or other means, thereby transmitting the information to the medical staff and dealing with the abnormal condition of the puncture point in a timely manner.

[0088] Preferably, the pressing unit 400 further has a manual adjustment component disposed on the side of the drive gear shaft 418 away from the adjustment column 417.

[0089] Specifically, when configuring the initial pressure of the pressing unit 400, the pressure applied by the pressing unit 400 to the puncture point can be adjusted through the manual adjustment component. The manual adjustment component is specifically configured on the right side of the drive gear shaft 418, and its specific shape is also a kind of gear shaft. This gear shaft fixes the manual adjustment component in the cavity 420 through a shaft body. The shaft body extends out of the upper surface of the cavity 420 at one end, and a knob for rotating the manual adjustment component is provided at the end extending out of the surface of the cavity 420. A clamping shaft is provided at one end of the knob. When manual adjustment is not required, the clamping shaft is clamped on the upper surface of the cavity 420. When manual adjustment is required, the clamping shaft is rotated into the interior of the cavity 420. In this way, the gears on the gear shaft of the manual adjustment component can be switched between separation and engagement with the gears of the drive gear shaft. When manual adjustment is required, the two gears are in an engaged state. When manual adjustment is not required, the two gears are in a vertically separated state.

[0090] Preferably, the information transmission between the above-mentioned acquisition unit 100, analysis unit 200, control unit 300, and pressing unit 400 can be a wired connection or a wireless connection.

[0091] According to Figure 5 As shown, the pressing unit 400 is further configured with a fixing component 450 for holding the pressing unit 400 around the puncture point.

[0092] Furthermore, the fixing component 450 is at least configured with a waist strap 451 that can be wound around the patient's waist. The waist strap 451 is connected to the dressing layer 425 of the pressing unit 400 through a connecting strap. The fixing component 450 is at least further configured with a first leg strap 452 and a second leg strap 453 that can be wound around the patient's legs on the dressing layer 425. The lengths of the straps of the fixing component 450 are adjustable, and the surfaces of the straps that fit the skin have adhesiveness.

[0093] Specifically, each strap consists of a strap body, a length adjustment buckle, and a buckle. The two ends of the strap body respectively pass through the length adjustment buckle and the buckle in sequence, and then fold back and are fixed on the length adjustment buckle, so that both ends of the strap form a ring structure. The length adjustment buckle is in the shape of a Chinese character 'Ri' (day). The two ends of the strap body respectively pass through the two end holes of the length adjustment buckle and the buckle in sequence, and then fold back and are fixed on the middle edge of the 'Ri'-shaped length adjustment buckle. The buckle consists of a 'Mu'-shaped component and a card that can be stuck on the 'Mu'-shaped component. The 'Mu'-shaped component and the card are respectively connected to the two ends of the strap body. By changing the size of the ring formed by the above-mentioned strap, the length of the strap can be adjusted.

[0094] Specifically, all of the above-mentioned straps have a certain degree of elasticity, and the ends of the straps are also equipped with adhesive areas that can be connected to the back of the straps using nylon buckles. The back refers to the surface of the straps away from the skin, and its surface is made of elastic gauze. Pressure-sensitive adhesive is applied to the elastic gauze layer to further fix the pressing components.

[0095] Preferably, the dressing layer 425 of the compression unit 400 is further provided with a fixing strip 426 for fixing the sheath placed at the puncture point. The adhesiveness of the fixing strip 426 is higher than that of the dressing layer 425. However, because excessive adhesiveness makes it difficult to peel off from the skin, or causes greater pain to the patient when peeling off, a smaller fixing strip 426 is used only at the three-way interface of the sheath for fixation.

[0096] The compression unit 400 is further secured by various straps of the fixing component 450, which fully prevents the compression unit 400 from falling off or shifting from the puncture site. Furthermore, the adjustable straps can adapt to patients of different body types, improving the versatility of the restraint system of the present invention.

[0097] According to a preferred embodiment, this embodiment provides a device capable of rapidly acquiring images of the puncture site near the patient's puncture location in real time, and quickly assessing various effusion conditions and implementing corresponding prevention measures. This embodiment generally follows the structure of the embodiments described above, with the improvement that the portion of the pressure unit 400 that applies pressure to the patient's physiological site—that is, the pressure plate 412 and its motion-participating portion—is configured as differentiated regions capable of independently and controllably applying or reducing pressure to the intended target location. For example, when the pressure plate 412 is configured as a ring, at least two regions are differentially divided, for instance, by directly separating the two parts structurally to form two semi-circular rings or a combination of one partial ring and another partial ring. The two rings complement each other and can together form the entire ring structure of the pressure plate 412.

[0098] Furthermore, the pressure plate 412 is not only divided into two independent areas, but can also be divided into more areas when there is a greater need for pressure.

[0099] Preferably, in this embodiment, the pressure plate 412 is at least divided into an exudate point suppression area, a puncture needle suppression area, and a side suppression area. When the device is used, the three suppression areas are respectively used to suppress the exudate point, the puncture needle, and other parts. At this time, the division of the three suppression areas is based on their functions. Specifically, the pressure plate 412 itself can be divided into several independent suppression areas, each of which can be called a suppression unit 400 area. When one or more suppression units 400 areas are used to suppress a certain object (such as an exudate point), the one or more suppression units 400 areas constitute the corresponding suppression area.

[0100] To meet the pressure requirements of different targets, different pressure areas can be configured with different functions or even structures. Specifically, the puncture needle pressure area is configured as a pressure structure containing at least a medical film, the exudate point pressure area is configured as a pressure structure containing at least a variety of switchable disinfection and dressing materials, and the bypass pressure area is configured as a pressure structure that combines at least an aspiration detection unit and a bypass pressure unit 400 and is switchable.

[0101] The aforementioned switchable structure can utilize, for example, the division of the same compression area into different sub-regions. Each sub-region has an independently adjustable compression structure and is coated with a dressing or has a fabric structure coated with a corresponding dressing. When needed, it is possible to individually control the compression of one or more sub-regions onto the patient's body. Further, it is divided into at least three sub-regions: a single gauze dressing sub-region, a dressing sub-region containing coagulation components, and a dressing sub-region containing silver ion alginate. The coagulation components can be substances capable of coagulation such as gelatin sponge or aminocaproic acid. The sub-regions can be arranged in a concentric ring-like, outwardly expanding manner radially along the pressure plate 412 so that each sub-region can apply pressure to as many areas of the patient's body as possible. Preferably, the silver ion alginate region also has an absorption detection unit.

[0102] Based on the above, this embodiment provides an automatic compression detection scheme.

[0103] During normal operation, a single gauze dressing sub-area is compressed at the patient's puncture site. The acquisition unit 100 acquires data from the single gauze dressing surface corresponding to the puncture wound. When an exudate point is detected visually, the analysis unit 200 confirms the initial exudate point location and first increases pressure on the single gauze dressing sub-area while simultaneously increasing pressure on the injection needle compression area. During this process, the acquisition unit 100 continuously acquires images of the exudate diffusion on the single gauze dressing surface at a second frequency. The analysis unit 200 analyzes the percentage change of black levels in the diffusion image relative to white levels on the single gauze dressing surface based on video frames. When the percentage change falls below a first threshold, the current operation is maintained until the analysis unit... Unit 200 confirms that the exudation has stopped by acquiring images. When the change rate is higher than the first threshold and lower than the second threshold, control unit 300 controls the pressure of the puncture needle compression area to reduce the pressure. At the same time, analysis unit 200 continues to analyze the acquired images. If the change rate changes to a continuous decrease and can change to be lower than the first threshold, the current reduced pressure of the puncture needle compression area and the pressure of the single gauze sub-area are maintained and the compression is continued until it is determined that the exudation has stopped. If the change rate remains at the current level or continues to increase, control unit 300 controls the pressure of the puncture needle compression area to increase the pressure and switches the single gauze dressing sub-area to a dressing sub-area containing coagulation components, and continues to maintain the compression until it is detected that the exudation has stopped.

[0104] This solution is based on fully automated detection of the patient's puncture site. Compared to traditional manual methods, it can detect bleeding immediately and quickly detect the bleeding rate to simultaneously adjust the compression mode and re-examine the effects of the changes. This allows for the rapid identification of the most suitable compression method for the current bleeding situation. For example, this solution recognizes that bleeding can be caused not only by changes in pressure at the puncture site or changes in vascular space, but also by the pressure of the puncture needle. Excessive needle pressure can lead to bleeding due to pressure at the puncture site, while insufficient pressure can cause vascular gaps and bleeding. Therefore, the pressure of the puncture needle is a crucial factor to consider. Traditional manual care cannot respond quickly to bleeding or adjust the compression method based on short-term bleeding conditions. Often, by the time bleeding is detected, the gauze has already been completely or mostly contaminated. The location and rate of bleeding are unknown, making it impossible to accurately adjust the compression mode. This results in slow and inadequate bleeding management, or even worsening of the condition. This approach utilizes the brief, golden window of effusion to quickly identify the effusion point and the optimal compression method. It allows for adjustments to the compression method at the puncture needle site and rapid assessment of effusion levels to refine the final compression strategy. This significantly enhances the expected benefits of this step and improves patient safety during puncture. Here, the puncture needle can be understood as any part of the body, such as a puncture needle or indwelling catheter, that is inserted into the patient's body.

[0105] Additionally, when an exudate point is detected by the aspiration detection unit, the control unit 300 controls the silver ion-containing alginate region and / or the bypass suppression region to suppress their corresponding regions individually or jointly. In one case, the suppression region corresponding to the aspiration detection unit that detects the corresponding signal operates; in another case, both suppression regions operate regardless of which aspiration detection unit generates a detection signal. This approach enables the device to handle not only bleeding but also the situation of exuding lymph fluid. Since lymph fluid is usually colorless and difficult to identify through image recognition, the lymph fluid infiltration status is obtained by configuring aspiration detection, thereby enabling targeted compression prevention measures. The bypass suppression region mainly suppresses lymphatic vessels accompanying blood vessels. Compared to direct compression, which is usually applied to the puncture site of the blood vessel, compression of the bypass site is more effective.

[0106] It should be noted that the specific embodiments described above are exemplary, and those skilled in the art can devise various solutions inspired by the disclosure of this invention. These solutions all fall within the scope of this invention and its protection. Those skilled in the art should understand that this specification and its accompanying drawings are illustrative and not intended to limit the scope of the claims. The scope of protection of this invention is defined by the claims and their equivalents.

Claims

1. An automatic detection compression system for a groin puncture site, characterized by, The system comprises: a collection unit (100) comprising a first collection component (110) and a second collection component (120); an analysis unit (200) configured with a first analysis component (210) continuously receiving images acquired by the first collection component (110) and a second analysis component (220) receiving images acquired by the second collection component (120); a pressing unit (400) having a pressing plate (412) capable of pressing a puncture point and a pressing rod (413) connected to the pressing plate (412), an end of the pressing rod (413) away from the pressing plate (412) penetrating through a surface of a transparent viewing window (411) connected to the pressing unit (400); wherein the first collection component (110) collects images at the pressing plate (412), the second collection component (120) collects images of skin around the pressing plate (412), the first analysis component (210) and the second analysis component (220) respectively crop the received images, binarize the cropped images and perform contrast analysis; a control unit (300) acquiring confirmation of bleeding signals and / or confirmation of redness signals output by the first analysis component (210) and / or the second analysis component (220) and outputting control signals; in the case of receiving the confirmation of bleeding signals, the control unit (300) drives an adjusting component (410) of the pressing unit (400) to preliminarily adjust the pressure applied to the puncture point in a manner of increasing the compression force to temporarily stop bleeding, and the control unit (300) drives a warning component (310) to send a bleeding warning signal; in the case of receiving the confirmation of redness signals, the control unit (300) drives the warning component (310) to send a redness warning signal.

2. The system of claim 1, wherein, The first analysis component (210) crops a first image retaining only the state of the pressing plate (412), and the second analysis component (220) crops a second image retaining only the state of the skin.

3. The system of claim 1 or 2, wherein, The first analysis component (210) binarizes the initial image of the first image to white, and if the puncture point appears to be bleeding and contaminates the pressing plate (412), the contaminated part of the pressing plate (412) will be binarized to black; The second analysis component (220) binarizes the initial image of the second image to white, and if the skin around the puncture point appears to be red and swollen, the red and swollen skin will be binarized to black.

4. The system of claim 3, wherein, The analysis unit (200) calculates the pixel difference between the bleeding area or the redness area and the non-bleeding area or the non-redness area in the images collected by the collection unit (100) at each collection frequency, compares the pixel difference with the pixel difference of the same type of initial image, and if the difference between the two exceeds a pre-set threshold, there is a risk of bleeding or redness.

5. The system of claim 4, wherein, The analysis unit (200) compares the difference of each acquired image with the difference of the initial image, and when the pixel difference of the two first exceeds the set threshold, the following corresponding operation is performed: If the first image appears the above situation, the first analysis component (210) sends a suspected bleeding signal to the first acquisition component (110), the first acquisition component (110) receives the suspected bleeding signal and adjusts the image acquisition frequency from the first frequency to the second frequency, if the pixel difference of the first image collected at the second frequency and the pixel difference of the initial image still exceeds the threshold value, the first analysis component (210) sends a bleeding confirmation signal to the control unit (300).

6. The system of claim 4, wherein, The analysis unit (200) compares the difference of each acquired image with the difference of the initial image, when the pixel difference of the two first exceeds the set threshold value, the following corresponding operation is performed: If the second image appears the above situation, the second analysis component (220) sends a suspected redness signal to the second acquisition component (120), the second acquisition component (120) receives the suspected redness signal and adjusts the image acquisition frequency from the first frequency to the second frequency, if the pixel difference of the second image collected at the second frequency and the pixel difference of the initial image still exceeds the threshold value, the second analysis component (220) sends a redness confirmation signal to the control unit (300).

Images