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CN-121987153-A - Open wound detection device

CN121987153ACN 121987153 ACN121987153 ACN 121987153ACN-121987153-A

Abstract

The invention provides an open wound detection device which comprises a base plate (1), a laser module (2) provided with at least one laser head, a plurality of detection modules (3) arranged on the base plate (1) and comprising a detection panel (301) and a plurality of photoelectric detectors (302) arranged on the detection panel, a hemostasis laser module (4) arranged on the base plate (1) and used for emitting hemostasis laser, and a signal processing module electrically connected with the laser module (2), the plurality of detection panels (3) and the hemostasis laser module (4) through a communication module (9) and used for determining a wound contour according to frequency changes between the detection laser signals and the feedback laser signals and controlling the hemostasis laser module (4) to emit the hemostasis laser according to the wound contour.

Inventors

  • WEN YA
  • CHEN SHUANGQIN
  • SHEN YU
  • Xian Jianlin
  • LIANG YIMING

Assignees

  • 国科光子(济南)激光科技有限公司

Dates

Publication Date
20260508
Application Date
20260313

Claims (10)

  1. 1. An open wound detection device, comprising: A bottom plate (1); The laser module (2) is provided with at least one laser head, and the laser head is movably and rotatably arranged on the bottom plate (1) and is used for emitting detection laser signals to a part to be detected; The device comprises a base plate (1), a plurality of detection modules (3), a hemostasis laser module (4) and a plurality of detection modules, wherein the detection modules (3) are arranged on the upper surface of the base plate (1) and are distributed on at least one side of the emission laser module (2) in an array mode, the detection modules (3) comprise a detection panel (301) and a plurality of photoelectric detectors (302) arranged on the detection panel, the plurality of detection panels (301) can change the distance and the angle between each other along with the base plate (1), and the photoelectric detectors (302) are used for receiving returned feedback laser signals; The signal processing module is electrically connected with the laser module (2), the detection modules (3) and the hemostatic laser module (4) through the communication module (9), determines the wound contour according to the frequency change between the detection laser signal and the feedback laser signal, and controls the hemostatic laser module (4) to emit hemostatic laser according to the wound contour.
  2. 2. An open wound detection device according to claim 1, characterized in that the base plate (1) comprises a fixed plate (101) and a plurality of adjustable plates (102) connected to the fixed plate (101); The laser head is movably and rotatably arranged in the middle of the upper surface of the fixed plate (101); the detection module (3) is arranged on the adjustable plate (102).
  3. 3. An open wound detection apparatus according to claim 2, wherein, The adjustable plates (102) are symmetrically arranged along the two sides of the fixed plate (101) in an outward extending way, wherein two adjustable plates (102) connected with the side edges of the fixed plate (101) are connected to the bottom of the fixed plate (101), and the top of the fixed plate is higher than the adjustable plates; Two sides of the fixed plate (101) are respectively connected with a pair of elastic sliding rails (7), grooves are formed in one side, opposite to each pair of sliding rails (7), of each sliding rail (7) and have a preset original radian; The adjustable plates (102) are long strips and are arranged between the opposite sliding rails (7), the end parts of the adjustable plates (102) are connected with the grooves in a sliding mode, and a plurality of the adjustable plates (102) are arranged along with the sliding rails (7) to form a curved surface; on the length direction of the sliding rail (7), a telescopic rod (701) hinged with the sliding rail is arranged at a first preset position, and the other end of the telescopic rod (701) is connected to the top of the fixed plate (101).
  4. 4. An open wound detection apparatus according to claim 2, wherein, The adjustable plates (102) are divergently arranged into spherical surfaces by taking the fixed plate (101) as a center, and one end of each adjustable plate (102) is rotationally connected with the peripheral surface of the fixed plate (101); A gap is arranged between the adjacent adjustable plates (102) or connected through a flexible plate; The back of the fixed plate (101) is fixedly connected with a sliding rod perpendicular to the fixed plate, and a sliding ring and a locking assembly for fixing the sliding ring on the sliding rod are sleeved on the sliding rod; And a connecting rod is hinged at a second preset position in the length direction of each adjustable plate (102), and the other end of the connecting rod is hinged with the sliding ring.
  5. 5. The open wound detection device of claim 2, further comprising: the handle (6) is rotationally connected with the back of the fixed plate (101) through the rotating assembly (5); A projection display lamp (8) for irradiating the part to be detected; the white light emitting panel (10) is arranged on the upper surface of the base plate (1) and is used for emitting white light; The light compensation brightness adjusting button (11) is arranged on the handle (6) and is used for adjusting the brightness of the white light emitted by the white light emitting panel (10); A speed adjusting button (12) arranged on the handle (6) for adjusting the rotation speed of the fixed plate (101) relative to the handle (6); And the working indicator lamp (13) is used for indicating the working state of the open wound detection device.
  6. 6. The open wound detection device of claim 1, wherein the determining the wound profile comprises: if the frequency of the feedback laser signal is different from the frequency of the detection laser signal, dividing a set of corresponding points into a first type region, and setting the boundary of the first type region as a wound contour; if the frequency of the feedback laser signal is the same as the frequency of the detection laser signal, dividing the corresponding set of points into a second type region.
  7. 7. The open wound detection device according to claim 6, wherein a difference Δf between the frequency of the feedback laser signal received by any one of the photodetectors (302) on the detection panel (301) and the frequency of the detection laser signal is calculated; if Δf is not equal to 0, extracting power information of the feedback laser signal, and calculating a difference value between a power value of a current scanning point and a power value of a previous scanning point to obtain a power variation ΔE; And if the delta E does not meet the relation 0-delta E 0 , adjusting the curvature of the detection panel until the relation is re-met.
  8. 8. The open wound detection device of claim 6 wherein the signal processing module is further configured to calculate a current value of a circadian rhythm parameter for each point of interest in the first region based on time-series fluctuation data of the feedback laser signal, the circadian rhythm parameters including an average blood flow velocity, a blood flow impedance index, and a pulse modulation depth; Calculating the physiological rhythm parameters of a plurality of reference points in the second type of region adjacent to the attention point, and taking the average value of the physiological rhythm parameters of the plurality of reference points as a dynamic reference standard; Dividing the point of interest into an arterial active bleeding area, a venous active bleeding area or an inactive bleeding area based on the current value of the point of interest and the corresponding dynamic reference datum; controlling the hemostatic laser module (4) to irradiate the arterial active bleeding area and/or the venous active bleeding area and avoid the inactive bleeding area and the second type of area, wherein during irradiation of the hemostatic laser module (4) to the arterial active bleeding area and/or the venous bleeding area, a signal processing module controls the laser module (2) and the hemostatic laser module (4) to operate in a periodic alternating pulse mode.
  9. 9. The open wound detection device of claim 8, wherein calculating the pulse modulation depth comprises: Extracting a signal envelope A (t) from time sequence fluctuation data by using a low-pass filtering mode of taking the absolute value of the signal; Identifying and locating signal maxima a max and signal minima a min within at least one complete cardiac cycle in the signal envelope; The pulse modulation depth M accords with the following formula: ; calculating the blood flow impedance index, comprising: acquiring an instantaneous blood flow velocity waveform v (t) from the time sequence fluctuation data, wherein the instantaneous blood flow velocity waveform v (t) accords with the following formula; ; Wherein lambda is the wavelength of the detection laser, and theta is the estimated included angle between the detection laser and the blood flow direction; Identifying a maximum v p and a minimum v d of v (t) over a cardiac cycle; The blood flow impedance index I corresponds to the following formula: 。
  10. 10. an open wound detection apparatus according to claim 9, wherein, An arterial active bleeding area is classified if the points of interest meet the following conditions simultaneously: And, in addition, the method comprises, ; Wherein M c is the current value of the pulse modulation depth of the point of interest, M r is the reference value of the pulse modulation depth, R 1 is the first ratio threshold, I c is the current value of the blood flow impedance index of the point of interest, I r is the reference value of the blood flow impedance index, and C is the comparison coefficient smaller than 1; a region of venous activity bleeding is classified if the point of interest meets the following conditions simultaneously: And, at the same time, ; Wherein D 1 is an allowable section boundary value, v mc is a current value of the average blood flow velocity of the point of interest, v mr is a reference value of the average blood flow velocity, and D 2 is a second ratio threshold.

Description

Open wound detection device Technical Field The invention relates to the technical field of medical appliances, in particular to a detection device for an open wound. Background The accurate detection and identification of the biological open wound plays an important role in wound damage assessment, drug dosage and treatment means selection. For animals, timely and accurate detection of wounds is beneficial to providing more accurate manual intervention for the wounds, and has important significance for protecting rare animals such as endangered animals. For human beings, detection of wounds is helpful for accurately controlling the dosage of medicines, and resource waste and larger side effects caused by excessive medicine use are prevented. Meanwhile, accurate detection of wounds is also beneficial to damage assessment of criminal cases and the like, and quantitative judgment of damage indexes is facilitated. At present, the measurement of biological wounds is generally that medical staff judges the degree of injury by naked eyes, the grade of the wounds is judged through subjective experience, or the maximum length of the wounds is measured by adopting a ruler, the maximum width of the wounds is measured by adopting a ruler, then the product of the length and the width is used as the area of the wounds, corresponding wound assessment is carried out according to the area of the wounds, the observation means have certain subjectivity, errors caused by reading and the like are large, and meanwhile, the contact detection can possibly bring secondary infection to the wounds, and in addition, the method for detecting by utilizing the pigment identification of the images of the wounds is also provided, but the identification speed is slower, the accurate photographing and image identification are needed, the influence of the skin color on the results is larger, and meanwhile, the requirement on the resolution of the images is higher. And the requirements on the photographing angle and the environment are very high, and the flexibility is weak. There is therefore a need for a rapid, accurate, flexible and non-destructive wound detection device. Disclosure of Invention The application provides a detection device for open wounds, which comprises: A bottom plate; The laser module is provided with at least one laser head, and the laser head is movably and rotatably arranged on the bottom plate and is used for emitting detection laser signals to the part to be detected; The device comprises a base plate, a plurality of detection modules, a hemostasis laser module, a plurality of detection modules, a plurality of control modules, a control module and a control module, wherein the detection modules are arranged on the upper surface of the base plate and are distributed on at least one side of the emission laser module in an array manner; the signal processing module is electrically connected with the laser module, the plurality of detection modules and the hemostatic laser module through the communication module, determines the wound contour according to the frequency change between the detection laser signals and the feedback laser signals, and controls the hemostatic laser module to emit hemostatic laser according to the wound contour. Further, the bottom plate comprises a fixed plate and a plurality of adjustable plates connected with the fixed plate; the laser head is movably and rotatably arranged in the middle of the upper surface of the fixed plate; the detection module is arranged on the adjustable plate. Further, the plurality of adjustable plates are symmetrically arranged along the two sides of the fixed plate in an outward extending way, wherein the two adjustable plates connected with the side edges of the fixed plate are connected to the bottom of the fixed plate, and the top of the fixed plate is higher than the adjustable plates; Two sides of the fixed plate are respectively connected with a pair of elastic sliding rails, a groove is formed in one side, opposite to each pair of sliding rails, of each sliding rail, and each sliding rail has a preset original radian; The adjustable plates are long-strip-shaped and are arranged between the opposite sliding rails, the end parts of the adjustable plates are connected with the grooves in a sliding manner, and the adjustable plates are arranged along with the sliding rails to form curved surfaces; On the length direction of the sliding rail, a telescopic rod hinged with the first preset position is arranged at the first preset position, and the other end of the telescopic rod is connected to the top of the fixed plate. Further, the adjustable plates are divergently arranged into spherical surfaces by taking the fixed plate as a center, and one end of each adjustable plate is rotationally connected with the peripheral surface of the fixed plate; gaps are arranged between adjacent adjustable plates or connected through flexible plates; The back of the fixed plat