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CN-122005074-A - High-safety fat melting method, system and storage medium

CN122005074ACN 122005074 ACN122005074 ACN 122005074ACN-122005074-A

Abstract

The invention discloses a high-safety fat melting method, a high-safety fat melting system and a high-safety storage medium, wherein the fat melting method comprises the steps of collecting human body surface data, constructing a three-dimensional surface model, fusing reflection characteristics, textures, infrared skin surface temperature and laminating degree data, and automatically marking a forbidden region; the laser is projected into surface illumination beam by DMD after being shaped by integrating rod and microlens array, and according to geometric registration and curvature compensation the surface illumination dose homogenization can be implemented, the target area is divided into subareas and the action of staggered time sequence is implemented, and the active cooling is implemented between operations. The system adopts a three-ring closed loop comprising an inner ring, a middle ring and an outer ring, wherein the temperature of the skin surface and the temperature rising rate are limited, the temperature of the fat layer and the thermal dosage are estimated from the temperature of the skin surface based on a tissue thermal model, and the shading, the turn-off and the alarm are triggered when the temperature is abnormal. The invention reduces the mislighting and heat loss risk, improves the consistency of energy delivery, and is suitable for medical/household beauty equipment.

Inventors

  • TANG CHAOHUI

Assignees

  • 深圳市桥福智能设备有限公司

Dates

Publication Date
20260512
Application Date
20251231

Claims (13)

  1. 1. A high safety fat melting method, which is characterized by comprising the following steps: collecting human body surface data and constructing a body surface three-dimensional model; acquiring one or more data of skin surface reflection characteristics, skin surface textures, skin surface temperatures and skin fitting degrees, and dividing the body surface three-dimensional model into a fat region to be melted and a forbidden region based on the acquired data; and (3) performing fat melting operation on the fat region to be melted by using fat melting laser, and shielding irradiation on the forbidden region.
  2. 2. The method of claim 1, wherein dividing the three-dimensional model of the body surface into a region to be melted and a region to be forbidden comprises: Detecting multispectral reflection characteristics of the skin surface by an optical sensor, and identifying reflection characteristic abnormal areas and/or pigment abnormal areas; And/or detecting skin surface temperature distribution by an infrared sensor, identifying a temperature anomaly region; and/or extracting skin texture features by adopting a feature extraction algorithm, and positioning a low texture region; And/or detecting the fitting degree of the skin by a pressure sensor or an inclination sensor, and marking the area with poor fitting degree; And marking the reflection characteristic abnormal region, the pigment abnormal region, the temperature abnormal region, the low texture region and the poor fitting degree region as forbidden regions and mapping the forbidden regions into corresponding regions of the body surface three-dimensional model.
  3. 3. The method of claim 1, wherein the digital micromirror array is used to shield the forbidden area from the laser.
  4. 4. A high safety fat melting method according to claim 1, wherein the fat melting operation of the fat region to be melted using the fat melting laser comprises the steps of: using an integrating rod to perform primary light homogenizing and energy mixing treatment on the light beam of the fat melting laser to obtain a transitional light beam; carrying out beam decomposition on the transition beam through a micro lens array to obtain an approximate flat-top beam; Carrying out dynamic dodging and geometric calibration treatment on the approximately flat-top beam by using a digital micro-mirror array to obtain a surface illumination beam with uniform surface illumination dose; performing geometric registration and curvature compensation based on body surface curvature by using the body surface three-dimensional model to obtain a target surface illumination beam; And performing fat melting operation on the fat region to be melted by using the target surface irradiation beam.
  5. 5. The high-safety fat-melting method according to claim 4, wherein the fat-melting operation of the fat-melting region using the target surface irradiation beam further comprises the steps of: dividing the region to be melted into a plurality of subregions; Selecting non-adjacent subareas as current subareas through a preset interval distance, and performing fat melting operation on the current subareas by using the target surface irradiation beam; After the first round of fat melting operation is completed, cooling the current subarea; After cooling to a safety threshold, continuously selecting non-adjacent subareas from the rest subareas to be processed as new current subareas, and performing fat melting operation and cooling; repeating the steps of selecting the current subarea, melting the fat and cooling until all subareas complete the fat melting operation.
  6. 6. The high-safety fat melting method according to claim 1, further comprising monitoring and regulating fat melting operation safety indexes in real time when fat melting operation is performed on a fat region to be melted by using fat melting laser, wherein the fat melting operation safety indexes comprise fat layer temperature, fat layer heat dose, skin surface temperature, skin surface heating rate and equipment operation state; When the safety index of the fat melting operation is monitored to be abnormal, the equipment is automatically closed and an alarm prompt is sent out.
  7. 7. The method of claim 6, wherein the safety index of the fat melting operation is dynamically monitored and controlled by using a three-ring layered temperature control system.
  8. 8. The high-safety fat melting method according to claim 7, wherein the three-ring layered temperature control system comprises an inner ring, a middle ring and an outer ring three-layer temperature control response mechanism; the inner ring takes 3-5 milliseconds as a response period, and the laser energy duty ratio of the fat melting laser is dynamically adjusted through a beam modulator, so that the skin surface temperature and the skin surface heating rate of a fat melting area are limited to a preset safety range; the middle ring takes 0.5-1 second as a response period, and the cooling temperature and the cooling range of the fat melting area are dynamically adjusted so that the heat accumulation of the fat layer is in a preset safety range; The outer ring monitors the safety index of the fat melting operation in real time, and when the safety index of the fat melting operation is abnormal, the outer ring shields the fat melting laser, automatically closes the equipment and sends out an alarm prompt.
  9. 9. A high safety fat melting method according to claim 8, wherein the middle ring dynamically adjusts the cooling temperature and cooling range of the fat melting region by a refrigerator.
  10. 10. The method of claim 8, wherein the step of the outer loop monitoring safety metrics of the fat melting operation comprises: acquiring thermal parameters of human tissues, and assigning the thermal parameters of the human tissues to a body surface three-dimensional model to obtain a thermal model of the human tissues; Monitoring the skin surface temperature through an infrared temperature sensor; assigning the skin surface temperature to the human tissue thermal model, and calculating to obtain the fat layer temperature and the fat layer thermal dose; The temperature of the skin surface of different time nodes is acquired in real time, and the temperature rise rate of the skin surface is calculated; The operating state of the device is monitored by a fault monitor.
  11. 11. A high safety fat melting system comprising: The laser delivery unit comprises a laser emission source for emitting laser, an integrating rod for carrying out primary dodging and energy mixing treatment on the laser, a micro lens array for carrying out beam decomposition on the laser and a digital micro mirror array for carrying out dynamic dodging and geometric calibration treatment on the laser; A sensing unit including a sensing unit configured to acquire human body surface data and configured to acquire skin reflection characteristics, skin texture, skin temperature, and skin fit; And the cooling unit comprises a refrigerator and an emergent transparent window coupled with the refrigerator.
  12. 12. A high safety fat melting system according to claim 11, the fat melting system is characterized by further comprising: The control unit is configured to perform geometric registration and curvature compensation on the illumination light beams based on the body surface three-dimensional model, generate an illumination mask, and fuse multi-sensor data to shield an illumination forbidden region; Is configured to adjust the laser duty cycle through the inner ring, and adjust the cooling temperature and the cooling duration through the middle ring; is configured to monitor safety indexes of the fat melting operation in real time through the outer ring, and to execute safety interlocking of shading, turning off and alarming when abnormal safety indexes of the fat melting operation are monitored.
  13. 13. A high security storage medium, wherein instructions are stored in the storage medium, which instructions, when called by a processor, are adapted to perform the method of any one of claims 1 to 10.

Description

High-safety fat melting method, system and storage medium Technical Field The invention relates to the technical field of non-invasive human tissue heating/fat reduction, belongs to the optical and control technology of medical/household beauty equipment, and particularly relates to a high-safety fat melting method, system and storage medium by utilizing a programmable digital micromirror array and multi-sensing closed-loop temperature control. Background With the development of society, the requirements of people on self body and health are increasingly increased, and the non-invasive fat melting technology gradually becomes the mainstream choice of people due to the advantages of small wound, short recovery period and the like. However, the conventional fat melting technical scheme cannot identify the non-conventional state area where the skin is in a state where the fat cannot be melted in practical application, only depends on manual identification, and the mode is easy to cause missed judgment on a special area, further causes error action of laser energy on the special area, finally causes damage, seriously affects the safety of the fat melting process, and cannot meet the requirements of users on treatment safety. Therefore, designing a fat melting method, a system and a storage medium capable of accurately identifying normal areas and special areas of skin and actively avoiding the special areas becomes a problem to be solved in the art. Disclosure of Invention The invention aims to solve the problem that the conventional fat melting technical scheme cannot accurately identify the normal area and the special area of the skin, so that the special area is damaged, and provides a high-safety fat melting method, a high-safety fat melting system and a high-safety storage medium. The aim of the invention is mainly realized by the following technical scheme: the invention provides a high-safety fat melting method, which comprises the following steps: collecting human body surface data and constructing a body surface three-dimensional model; Acquiring one or more data of skin surface reflection characteristics, skin surface textures, skin surface temperatures and skin fitting degrees, and dividing a body surface three-dimensional model into a fat region to be melted and a forbidden region based on the acquired data; and (3) performing fat melting operation on the fat region to be melted by using fat melting laser, and shielding irradiation on the forbidden region. Further, dividing the body surface three-dimensional model into a region to be melted fat and a forbidden region comprises: Detecting multispectral reflection characteristics of the skin surface by an optical sensor, and identifying reflection characteristic abnormal areas and/or pigment abnormal areas; And/or detecting skin surface temperature distribution by an infrared sensor, identifying a temperature anomaly region; and/or extracting skin texture features by adopting a feature extraction algorithm, and positioning a low texture region; And/or detecting the fitting degree of the skin by a pressure sensor or an inclination sensor, and marking the area with poor fitting degree; And marking the reflection characteristic abnormal region, the pigment abnormal region, the temperature abnormal region, the low texture region and the poor fitting degree region as forbidden regions and mapping the forbidden regions into corresponding regions of the body surface three-dimensional model. Further, the digital micro-mirror array is used for shielding the irradiation of the molten fat laser to the forbidden area. Further, the fat melting operation of the fat region to be melted by using the fat melting laser comprises the following steps: using an integrating rod to perform primary light homogenizing and energy mixing treatment on the light beam of the fat melting laser to obtain a transitional light beam; Carrying out beam decomposition on the transition beam through a micro lens array to obtain an approximate flat-top beam; Carrying out dynamic dodging and geometric calibration treatment on the approximately flat-top beam by using a digital micro-mirror array to obtain a surface light beam with uniform surface light dose; performing geometric registration and curvature compensation based on body surface curvature on the illumination beam by using the body surface three-dimensional model to obtain a target surface illumination beam; and performing fat melting operation on the fat region to be melted by using the target surface irradiation beam. Further, the fat melting operation for the fat region to be melted by using the target surface irradiation beam further comprises the following steps: dividing the region to be melted into a plurality of subregions; Selecting non-adjacent subareas as current subareas through a preset interval distance, and performing fat melting operation on the current subareas by using a target surface irradiation beam; After the f