CN-116370850-B - Transducer device capable of monitoring coupling degree of water bag and control method thereof

CN116370850BCN 116370850 BCN116370850 BCN 116370850BCN-116370850-B

Abstract

The invention discloses a transducer device capable of monitoring the coupling degree of a water bag and a control method thereof, wherein the transducer device comprises a transducer module, a control module, an auxiliary light source module and a coupling monitoring module, the control module is connected with the auxiliary light source module and the coupling monitoring module, the transducer module is not connected with other modules independently, an indicator light is arranged in the control module for prompting the coupling state of the current water bag, the transducer module comprises a transducer, a water tank and the water bag, and the water bag is used as a medium between the transducer and a target after being filled with medium liquid; the auxiliary light source module comprises a driving unit and an LED lamp unit. The invention adopts the auxiliary light source module as a means for compensating the missing spectral characteristics of the ambient light and enhancing the sensitive spectral band of the sensor, and provides two control modes of manual operation and automatic operation of the motor, thereby further increasing the reliability of the coupling degree judgment and the use compatibility of the device.

Inventors

KONG XIANGQING
KONG JIAN
ZHANG ENGUANG
FAN TAO

Assignees

南京广慈医疗科技有限公司

Dates

Publication Date: 20260508
Application Date: 20230417

Claims (9)

1. The transducer device capable of monitoring the coupling degree of the water bag comprises a transducer module, and is characterized by further comprising a control module, an auxiliary light source module and a coupling monitoring module, wherein the control module is connected with the auxiliary light source module and the coupling monitoring module, the control module comprises a control center unit and a human-computer interaction unit, the auxiliary light source module comprises a driving unit and an LED lamp unit, the driving unit comprises a miniature motor, a rotary ring and a rotatable support, the rotary ring is arranged at the upper end of the water tank, the upper end of the rotatable support is rotatably arranged on the rotary ring, the LED lamp unit is arranged at the lower end of the rotatable support, the miniature motor drives the rotatable support to move through a transmission mechanism, the coupling monitoring module comprises a pressure monitoring unit and an ambient light monitoring unit, the pressure monitoring unit is responsible for sampling the pressure change of liquid in the water bag and transmitting data back to the control module through a bus, and the ambient light monitoring unit is used for collecting light intensity data in all directions of the water bag and transmitting the light intensity data to the control module through the bus; The control process of the control module to the device comprises the following steps: (1) Switching a motor movement unit of the auxiliary light source module in the control module to be in a mechanical spring pressure mode, adjusting the light intensity of the auxiliary light source according to the natural light or light illumination intensity of the use environment, and filling medium liquid with a specified value into the water bag; (2) The transducer device is moved to the upper part of the target, and the water bag and the rotatable bracket are contacted with the surface of the target, if the motor control mode is selected, the step (4) is skipped, and if the mechanical spring mode is kept, the step is continued; (3) In a mechanical spring mode, pressing the transducer device to a target, moving the rotatable support along with the pressing of the transducer device, calculating whether the pressure data and the light intensity data of the water bag reach the coupling standard or not in real time by the control module, finally displaying the water bag by the man-machine interaction unit, and if the water bag does not meet the standard, manually placing the transducer device again and repeating the step (3), and if the water bag does not meet the standard, completing the whole flow; (4) Under the motor control mode, the transducer device is pressed to a proper pressure value, the control module commands the motor movement unit to control the rotatable support to move according to a specified path and angle, after the rotatable support is moved, the rotatable ring is rotated to change the irradiation angle of the auxiliary light source and control the rotatable support to complete the specified path and angle movement again, and the control module calculates whether the coupling degree of the transducer device meets the standard in real time during the period; (5) If the coupling degree of the transducer device does not meet the standard, the transducer device is further pressed and the step (4) is repeated, and if the coupling degree of the transducer device meets the standard, the whole flow is completed.
2. The transducer device capable of monitoring the coupling degree of the water bag according to claim 1, wherein the system center unit is responsible for controlling and data communication of each module, the man-machine interaction unit comprises a key switch and a display screen, the man-machine interaction unit can set and switch the working mode of the rotatable support of the auxiliary light source module and adjust the brightness of the LED lamp, the control of the auxiliary light source module is realized through communication of the control center unit, and after the data of the coupling monitoring module are calculated, the control center unit judges the coupling condition of the transducer and gives an indication whether the coupling state of the transducer meets the requirement or not through the display screen of the man-machine interaction unit.
3. The transducer device for monitoring the coupling degree of a water bag according to claim 1, wherein the micro motor and the transmission mechanism are fixedly arranged above the rotary ring, the rotatable support is sleeved on the upper edge of the rotary ring, and the rotary ring is driven to rotate manually by a user.
4. A transducer device capable of monitoring the coupling degree of a water bag according to claim 1 or 3, wherein the control module controls the precise movement angle of the rotatable support by driving the micro motor to rotate and through the transmission belt, and simultaneously changes the irradiation angle of the auxiliary light source LED lamp by manually rotating the rotary ring to drive the rotatable support to rotate together.
5. The transducer device for monitoring the coupling degree of a water bag according to claim 1, wherein the LED lamp unit is located at the end of the rotatable support and is responsible for providing an auxiliary light source required for coupling monitoring, the spectral characteristics of the output light source of the LED lamp unit are matched with the sensitive spectrum of the photosensitive sensor, and the light intensity of the output light source can be adjusted by the control module.
6. The transducer device capable of monitoring the coupling degree of a water bag according to claim 1, wherein the pressure monitoring unit is arranged above the water tank, the ambient light monitoring unit is composed of a plurality of photosensitive sensors installed at fixed position angles, the characteristics of the photosensitive sensors are sensitive to the spectral characteristics of an output light source of the auxiliary light source module, and the control module judges the coupling state of the current water bag according to monitored data.
7. The transducer device according to claim 1, wherein the intensity of the auxiliary light source is increased or decreased by an entity or a virtual key in the man-machine interaction unit, and when the device is not attached to the human body or is not in use, the ambient light monitoring unit under the transducer can detect the illumination with sufficient intensity, and whether the illumination intensity satisfies the required threshold is displayed in the man-machine interaction unit, and when the intensity of the natural light is insufficient, the intensity of the auxiliary light source is adjusted until the illumination intensity threshold is displayed on the man-machine interaction unit to satisfy the requirement.
8. A transducer device for monitoring the coupling of a water bladder according to claim 1 or 7, wherein the light intensity Lsen is calculated as follows: Wherein: c 1 , compensating coefficient of central light intensity; C 2 compensating coefficient of edge light intensity; n, the number of sensors arranged at the edge of the transducer; L center the light intensity detected by the central photosensitive sensor; len, the light intensity values detected by the photosensitive sensors at different fixed positions at the edge of the transducer; lsen, the final calculated integrated light intensity value.
9. The transducer device capable of monitoring the coupling degree of a water bag according to claim 1, wherein when the water bag is in the process of coupling the target, the pressure value in the water bag gradually and slowly rises from a steady state, after a certain specified pressure threshold P anas is reached, the transducer device is considered to be preliminarily coupled to a proper position, and after a certain specified pressure threshold P max is exceeded, the transducer device is stopped from being continuously compressed, the coupling degree A n of the transducer device is calculated as follows, and as long as the finally calculated result is within any required pressure and incidence angle range, A n does not exceed a specified coupling threshold A max , the transducer device is considered to be well coupled: Wherein: K 1 , weight coefficient of pressure data; K 2 , weight coefficient of light intensity data; An incident angle of an auxiliary light source; p max maximum pressure value allowed by the transducer means; And P, detecting the current pressure value by the pressure sensor.

Description

Transducer device capable of monitoring coupling degree of water bag and control method thereof Technical Field The invention relates to a transducer device capable of monitoring water sac coupling degree and a control method thereof, belonging to the field of high-energy focusing ultrasound. Background With the continuous development of ultrasonic technology and the continuous improvement of medical level, high-intensity focused ultrasound diagnosis and treatment systems are rapidly developed in the field of accurate noninvasive treatment. The ultrasonic diagnosis and treatment system transmits ultrasonic energy, and most of the energy is efficiently gathered at the target position with minimum acoustic path energy loss. In addition to stringent requirements in terms of targeting accuracy and energy accuracy, it is also desirable to ensure the reliability of the transducer propagation medium or path, The high-intensity focused ultrasound emission needs to ensure that the energy loss of a medium or a path is reduced, so that the coupling degree of the water bag and human skin is important, and the defects of skin scald, excessive ultrasonic energy loss, curative effect reduction and the like caused by poor coupling degree can be caused, so that a device for detecting the coupling of the water bag of the transducer is needed. Disclosure of Invention The invention aims to provide a transducer device capable of monitoring the coupling degree of a water bag and a control method thereof on the premise of overcoming the existing defects, wherein the device can monitor the pressure value in the water bag, control an auxiliary light source and detect the brightness of ambient light so as to judge the physical coupling degree of the water bag and human skin. In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: The invention provides a transducer device capable of monitoring the coupling degree of a water bag, which comprises a transducer module, a control module, an auxiliary light source module and a coupling monitoring module, wherein the transducer module comprises a transducer, a water tank and the water bag, the control module is connected with the auxiliary light source module and the coupling monitoring module, the control module comprises a control center unit and a man-machine interaction unit, the auxiliary light source module comprises a driving unit and an LED lamp unit, the driving unit comprises a micro motor, a rotary ring and a rotatable support, the rotary ring is arranged at the upper end of the water tank, the upper end of the rotatable support is rotatably arranged on the rotary ring, the LED lamp unit is arranged at the lower end of the rotatable support, the micro motor drives the rotatable support to move through a transmission mechanism, the coupling monitoring module comprises a pressure monitoring unit and an ambient light monitoring unit, the pressure monitoring unit is responsible for sampling the pressure change of liquid in the water bag, and transmitting data back to the control module through a bus, and the ambient light monitoring unit is used for collecting light intensity data in all directions of the water bag and transmitting the light intensity data to the control module through the bus. Further, the system center unit is responsible for control and data communication of each module, the man-machine interaction unit comprises a key switch and a display screen, the man-machine interaction unit can set the working mode of the rotatable support for switching the auxiliary light source module and adjust the brightness of the LED lamp, the control of the auxiliary light source module is realized through communication of the control center unit, and after the data of the coupling monitoring module are calculated, the control center unit judges the coupling condition of the transducer and gives an indication whether the coupling state of the transducer meets the requirement or not through the display screen of the man-machine interaction unit. Further, the miniature motor and the transmission mechanism are fixedly arranged above the rotary ring, the rotatable support is sleeved on the rotary ring in a penetrating manner, and the rotary ring is driven to rotate in a manual mode by a user. Furthermore, the control module drives the rotatable support to rotate together through the manual rotation of the rotating ring to change the irradiation angle of the auxiliary light source LED lamp through driving the micro motor to rotate and controlling the accurate movement angle of the rotatable support through the transmission belt. Further, the LED lamp unit is located at the end of the rotatable bracket, and is responsible for providing an auxiliary light source required for coupling monitoring, the spectral characteristics of the output light source of the LED lamp unit are matched with the sensitive spectral range of the ambient light sensor, an