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CN-121971232-A - Self-adaptive variable-frequency pulse auditory canal flushing device based on visual feedback and control method

CN121971232ACN 121971232 ACN121971232 ACN 121971232ACN-121971232-A

Abstract

The invention relates to a self-adaptive variable-frequency pulse auditory canal flushing device based on visual feedback and a control method thereof, comprising a box body, a flushing gun and a main control module which are arranged outside the box body, a flushing fluid conveying module and a fluid bag heat preservation module which are arranged inside the box body; the main controller is internally integrated with an image processing unit and a variable frequency driving unit, the input end of the image processing unit is connected with the visual acquisition unit, the output end of the image processing unit is connected with the variable frequency driving unit, and the output end of the variable frequency driving unit is connected with the control end of the flushing fluid conveying module. The invention can avoid the discomfort of the auditory canal of the patient caused by the too high or too low temperature of the flushing liquid, and simultaneously solves the problems of poor cleaning effect or easy damage to the auditory canal caused by the operation of the 'blind vision' operation because the flushing pressure of the traditional device is not adjustable.

Inventors

  • CHEN JUNBO
  • WANG YA
  • MA XIAORONG
  • Kang Songjia

Assignees

  • 中南民族大学

Dates

Publication Date
20260505
Application Date
20260210

Claims (10)

  1. 1. The self-adaptive variable-frequency pulse auditory canal flushing device based on visual feedback is characterized by comprising a box body, a flushing gun (1) and a main control module which are arranged outside the box body, and a flushing liquid conveying module (32) and a liquid bag heat preservation module which are arranged inside the box body; The input port (11) of the flushing gun (1) is communicated with the liquid outlet end of the flushing liquid conveying module (32) through a pipeline, a visual acquisition unit is embedded in the end face of the output port (12), and the liquid inlet end of the flushing liquid conveying module (32) is communicated with the liquid bag heat preservation bin (4) of the liquid bag heat preservation module through a pipeline; The main control module comprises a control panel (2) and a main controller integrated on the control panel (2), wherein the main controller is responsible for receiving feedback information of each module and sending control instructions to execution parts of each module, an image processing unit and a variable frequency driving unit are integrated in the main controller, the input end of the image processing unit is connected with a vision acquisition unit, the output end of the image processing unit is connected with the variable frequency driving unit, and the output end of the variable frequency driving unit is connected with the control end of a flushing fluid conveying module (32).
  2. 2. An adaptive variable frequency pulsed ear canal flushing device based on visual feedback according to claim 1, characterized in that the flushing gun (1) comprises a gun body and a replaceable joint (33) connected to each other, the gun body being provided with a resistive control knob (13) and an emergency power-off switch (14).
  3. 3. The adaptive variable frequency pulse ear canal flushing device based on visual feedback according to claim 2, wherein said visual acquisition unit comprises a micro CMOS image sensor and an annular LED light supplement lamp, embedded in the end face of the tip of said exchangeable joint (33).
  4. 4. The self-adaptive variable-frequency pulse auditory canal flushing device based on visual feedback according to claim 1, wherein the box body comprises an integrally formed box body outer wall (25) and a box body inner wall (22), a plurality of box bodies are formed in the box body through partition plates, a liquid bag insulation bin (4) is arranged at the top, an upper standby liquid heating storage bin (6) is arranged in the middle, a lower standby liquid heating storage bin (7) is arranged in the middle, and a waste liquid collecting bin (8) is arranged at the bottom; The upper spare liquid heating storage bin, the lower spare liquid heating storage bin and the waste liquid collecting bin are respectively provided with a heat insulation sliding door (16); the upper standby liquid heating storage bin (6) and the lower standby liquid heating storage bin (7) and the upper standby liquid heating storage bin (6) and the liquid bag heat preservation bin (4) are connected with an electric liquid supplementing valve through a guide pipeline; The control panel (2) is fixed on the outer wall (25) of the box body.
  5. 5. The self-adaptive variable-frequency pulse auditory canal flushing device based on visual feedback according to claim 4, wherein a liquid bag heat preservation bin cover (3) is arranged above the liquid bag heat preservation bin (4), a liquid level sensor, a temperature sensor and a heater are arranged on the inner side of the liquid bag heat preservation bin (4), a graphene constant-temperature layer (18) is arranged on the outer side of the liquid bag heat preservation bin, and a heat insulation spacer layer (5) is arranged between the graphene constant-temperature layer (18) and a box outer wall (25).
  6. 6. The visual feedback-based self-adaptive variable-frequency pulse auditory canal flushing device is characterized in that a heat insulation filling layer (24), a high-temperature heat insulation plate (23), a PTC heating sheet (15), an aluminum alloy heat-conducting plate (20) and a graphene heating cloth (21) are arranged between the outer wall (25) and the inner wall (22) of the box body of the upper and lower standby liquid heating storage bins.
  7. 7. The self-adaptive variable-frequency pulse auditory canal flushing device based on visual feedback according to claim 4, wherein a waste liquid barrel (9) is arranged in the waste liquid collecting bin (8), a waste liquid pipeline inlet (17) is arranged in the waste liquid barrel (9), after the flushed waste liquid flows out of the auditory canal, the waste liquid is collected into the waste liquid barrel (9) through the waste liquid pipeline inlet (17), an ultrasonic liquid level detection sensor (26) and an ultraviolet disinfection lamp (27) are arranged above the waste liquid barrel (9), and a waste liquid barrel position detector (31) is arranged on one side of the waste liquid.
  8. 8. The adaptive variable frequency pulsed ear canal flushing device based on visual feedback according to claim 1, wherein said flushing fluid delivery module (32) comprises a peristaltic pump (29), a transmission shaft (30), a stepper motor (10) and a motor drive (28); the peristaltic pump (29) is in transmission connection with the stepping motor (10) through a transmission shaft (30), and the stepping motor (10) is driven through a motor drive (28); The liquid inlet of the peristaltic pump (29) is connected with the liquid bag thermal insulation bin (4), and the liquid outlet is directly connected to the input port (11) of the flushing gun (1).
  9. 9. A method of controlling an adaptive variable frequency pulsed ear canal flushing device based on visual feedback according to any one of claims 1 to 8, comprising the steps of: S1, starting a device, wherein a vision acquisition unit acquires real-time images in an auditory canal, and constructs a three-dimensional depth model of an auditory canal environment; s2, the image processing unit recognizes the attribute of a target object in the central area of the visual field, and judges that the target object is hard cerumen, soft secretion or tympanic membrane; S3, if the earwax is identified as hard earwax, the main controller instructs the variable-frequency driving module to enter a high-frequency stone crushing mode, outputs high-frequency short-wave pulse liquid flow with the frequency of 10Hz-50Hz, controls the peristaltic pump (29) to output high-frequency pulse liquid flow to crush the earwax by utilizing the synergistic effect of the fluid transient impact force and the microbubble cavitation effect; and S4, in the flushing process, the vision acquisition unit monitors the earwax removal progress in real time, and when the earwax removal rate is monitored to reach a preset value or the eardrum exposure area is identified to exceed a threshold value, the water flow pressure is automatically reduced.
  10. 10. The control method of the self-adaptive variable-frequency pulse auditory canal flushing device based on visual feedback according to claim 9, wherein when the device is started, a heater of the liquid bag thermal insulation bin (4) adopts a PID temperature control algorithm to adjust flushing liquid to a preset human auditory canal adaptation temperature in real time, and when the liquid level in the liquid bag thermal insulation bin (4) is lower than a preset value, the main controller triggers a liquid supplementing mechanism of the standby liquid heating storage bin to convey the preheated standby flushing liquid to the liquid bag thermal insulation bin (4); In the whole operation process of the device, a touch screen of the control panel (2) displays the temperature of flushing liquid in the liquid bag heat preservation bin (4), the output flow of the peristaltic pump (29), the real-time waste liquid amount of the waste liquid barrel (9) and an image picture of the vision acquisition unit in real time, and when the liquid level in the waste liquid barrel (9) reaches a preset overflow threshold value or the waste liquid barrel position detector (31) detects that the waste liquid barrel (9) is not placed correctly, an alarm is sent out and flushing is suspended on the control panel (2).

Description

Self-adaptive variable-frequency pulse auditory canal flushing device based on visual feedback and control method Technical Field The invention relates to the technical field of auditory canal flushing, in particular to a self-adaptive variable-frequency pulse auditory canal flushing device based on visual feedback and a control method. Background The external auditory canal flushing is a common operation in clinical otology and daily auditory canal nursing, and is mainly used for removing earwax, foreign matters and inflammatory secretion in the external auditory canal, maintaining the smoothness and sanitation of the auditory canal, preventing the problems of hearing decline, auditory canal infection and the like. Along with the improvement of health and vision of the auditory meatus, the external auditory meatus flushing device is widely applied to hospitals, clinics and home care scenes, but the current state of the art still has a plurality of defects to be solved, and the flushing effect, the operation safety and the comfort level of patients are difficult to be considered. The defects of the existing external auditory canal flushing device mainly comprise 1 and insufficient temperature control, wherein most devices lack accurate adjustment of flushing fluid temperature, and too low or too high water temperature can cause discomfort to patients and even damage to eardrum. 2. The pressure regulation is imperfect, the flushing pressure can not be regulated, the cleaning effect is poor if the flushing fluid flow rate is too low, and the external auditory canal and eardrum can be damaged if the flushing fluid flow rate is too high. 3. The blind vision operation risk is that the existing flushing device lacks real-time visual feedback in the auditory canal, medical staff cannot accurately judge the distance and angle between the flushing head and the tympanic membrane, the flushing head completely depends on hand feeling experience, and the wall of the auditory canal is easily stabbed or the tympanic membrane is easily injured by mistake due to the excessive deep flushing head in operation. Disclosure of Invention Aiming at the technical problems in the prior art, the invention provides a self-adaptive variable-frequency pulse auditory canal flushing device based on visual feedback and a control method. The technical scheme for solving the technical problems is as follows: The self-adaptive variable-frequency pulse ear canal flushing device based on visual feedback comprises a box body, a flushing gun arranged outside the box body, a main control module, a flushing fluid conveying module and a liquid bag heat preservation module, wherein the flushing fluid conveying module and the liquid bag heat preservation module are arranged inside the box body, an input port of the flushing gun is communicated with a liquid outlet end of the flushing fluid conveying module through a pipeline, a visual acquisition unit is embedded in an end face of an output port, a liquid inlet end of the flushing fluid conveying module is communicated with a liquid bag heat preservation bin of the liquid bag heat preservation module through a pipeline, the main control module comprises a control panel and a main controller integrated on the control panel, the main controller is responsible for receiving feedback information of each module and sending control instructions to executing pieces of each module, an image processing unit and a variable-frequency driving unit are integrated in the main controller, an input end of the image processing unit is connected with a visual acquisition unit, and an output end of the image processing unit is connected with a variable-frequency driving unit, and an output end of the variable-frequency driving unit is connected with a control end of the flushing fluid conveying module. The beneficial effects of the invention are as follows: 1. The liquid bag heat preservation module is additionally arranged and directly connected with the flushing liquid conveying module pipeline, and the temperature control of the main controller is matched, so that the accurate constant temperature regulation and stable supply of the flushing liquid are realized, the problems of discomfort and even damage to the tympanic membrane of a patient caused by overhigh or overlow temperature of the flushing liquid are avoided, and the use comfort and safety of flushing the auditory canal are greatly improved; 2. The main controller integrates the image processing unit and the variable frequency driving unit, the variable frequency driving unit is linked with the control end of the flushing fluid conveying module, the flow state, the pressure and the pulse frequency of the flushing fluid can be dynamically adjusted according to the actual situation of the auditory canal, the problems of poor cleaning effect or easy damage to the auditory canal caused by unadjustable flushing pressure and fixed flow rate of the traditional devi