CN-122006142-A - Ultraviolet treatment parameter generation system based on automatic skin type identification

CN122006142ACN 122006142 ACN122006142 ACN 122006142ACN-122006142-A

Abstract

The invention belongs to the technical field of ultraviolet phototherapy, and discloses an ultraviolet treatment parameter generation system based on automatic identification of skin types, which comprises a skin state sensing module, an intelligent characteristic analysis module, an adaptive optical control module and a thermal safety monitoring module, wherein the skin state sensing module is used for generating a skin static holographic snapshot, triggering micro-energy pre-irradiation actions on a target skin area through the skin static holographic snapshot to obtain a photosensitive response dynamic set, the intelligent characteristic analysis module is used for obtaining photosensitive skin characteristic-phenotype joint vectors, performing multi-target deduction on the photosensitive skin characteristic-phenotype joint vectors through a pre-built comprehensive evaluation criterion to generate optimal spectral power distribution and an optimal dose matrix, the adaptive optical control module is used for driving an adjustable double-band light source to work and inverting effective ultraviolet energy which actually reaches a dermis layer to form steady-state treatment driving current, and the thermal safety monitoring module is used for controlling the operation state of the adjustable double-band light source through an epidermis temperature field to realize individual differentiated treatment.

Inventors

ZHOU YONGHONG
GONG ZHENG
XIAO QI
YAO QING
PENG HUANG
CHEN HONGBO

Assignees

湖南紫瑞医疗器械有限公司
深圳市联瑞电子有限公司

Dates

Publication Date: 20260512
Application Date: 20260410

Claims (10)

1. An ultraviolet treatment parameter generation system based on automatic identification of skin type, characterized in that the ultraviolet treatment parameter generation system based on automatic identification of skin type comprises: The skin state sensing module is used for acquiring relevant detection data of a target skin area, carrying out synchronization pair Ji Peizhun, generating a skin static holographic snapshot, and triggering micro-energy pre-irradiation action on the target skin area through the skin static holographic snapshot so as to obtain a photosensitive response dynamic set; The intelligent characteristic analysis module is used for carrying out characteristic fusion on the photosensitive response dynamic set and the skin static holographic snapshot to obtain a photosensitive skin characteristic-phenotype combined vector, carrying out multi-objective deduction on the photosensitive skin characteristic-phenotype combined vector through a pre-constructed comprehensive evaluation criterion, and generating an optimal spectral power distribution and an optimal dose matrix; The self-adaptive optical control module is used for driving the adjustable double-band light source to work based on the optimal spectral power distribution and the optimal dose matrix, inverting effective ultraviolet energy actually reaching the dermis layer, and dynamically correcting the driving current of the adjustable double-band light source through the effective ultraviolet energy to form steady-state treatment driving current; The heat safety monitoring defense module is used for monitoring an epidermis temperature field of a target skin area when the steady-state treatment driving current is continuously output, and controlling the running state of the adjustable double-band light source through the epidermis temperature field.
2. The ultraviolet treatment parameter generation system based on automatic identification of skin type of claim 1, wherein the generating of the skin static hologram snapshot comprises: the method comprises the steps of collecting a reflection spectrum and an autofluorescence signal of a target skin area, analyzing the reflection spectrum to obtain melanin, heme and water distribution detection data of a skin layer of the target skin area, inverting the autofluorescence signal to obtain collagen content and porphyrin content detection data of the skin layer of the target skin area; And carrying out pixel-level spatial registration and fusion on each detection data by taking the dermatoglyph characteristic points of the target skin area as anchor points to generate a skin static holographic snapshot of the target skin area.
3. The ultraviolet treatment parameter generation system based on automatic identification of skin type according to claim 2, wherein the triggering of the micro-energy pre-irradiation action of the target skin area by the skin static holographic snapshot comprises: Carrying out suitability estimation on the minimum erythema dose of the target skin area by using the detection data of the stratum corneum thickness and the inflammatory infiltration depth to determine the basic tolerance dose of the target skin area; And controlling the adjustable double-band light source to emit single pulse ultraviolet light to the target projection area through the micro-energy pre-irradiation dose so as to complete the micro-energy pre-irradiation action of the target skin area.
4. The ultraviolet treatment parameter generation system based on automatic identification of skin types of claim 3, wherein the deriving a dynamic set of light-sensitive responses comprises: Continuously collecting a heme concentration instantaneous value and an autofluorescence signal intensity instantaneous value of a target skin area after the micro-energy pre-irradiation action is finished; Comparing the instantaneous values of heme concentration before and after the micro-energy pre-irradiation action, and deducing to obtain a change rate curve, extracting the peak value rate in the change rate curve as the vasodilation response rate, carrying out exponential fitting analysis on the decay curve of the instantaneous value of the self-fluorescence signal intensity, and fitting to determine the decay constant of the fluorescence life; combining the vasodilation response rate with the fluorescence lifetime decay constant forms a dynamic set of the photosensitive response of the target skin area.
5. The system for generating ultraviolet treatment parameters based on automatic identification of skin types according to claim 4, wherein the deriving a photosensitive skin feature-phenotype association vector comprises: and sequentially splicing the standardized data in each dimension according to the sequence to obtain the photosensitive skin characteristic-phenotype joint vector.
6. The system for generating ultraviolet treatment parameters based on automatic identification of skin types according to claim 5, wherein the multi-objective deduction of the photosensitive skin feature-phenotype association vector comprises: pre-constructing a comprehensive evaluation criterion, wherein the comprehensive evaluation criterion comprises a positive benefit item for quantifying the psoriasis area improvement rate, a negative loss item for quantifying the erythema level and the DNA cyclobutane pyrimidine dimer increment, and a penalty item for quantifying the lowest effective dose; establishing a plurality of groups of candidate spectrum power distribution curves and dose matrixes in the spectrum wave bands and the dose intensity range of the adjustable double-band light source; taking the photosensitive skin characteristic-phenotype joint vector as a constraint condition, and carrying out multi-objective iterative optimization on each group of candidate spectrum power distribution curves and the dose matrix based on a comprehensive evaluation criterion to obtain an expected index set; and screening the candidate spectral power distribution curve and the dose matrix with the largest comprehensive evaluation value as an optimal spectral power distribution curve and an optimal dose matrix.
7. The skin type automatic identification based uv treatment parameter generation system of claim 6 wherein the inverting the effective uv energy actually reaching the dermis layer comprises: Mapping the optimal spectrum power distribution curve into the initial current duty ratio of the long wave and medium wave ultraviolet channels; Pulse width modulation is carried out on the initial current duty ratio and the target output power intensity to form initial driving current and drive the adjustable double-band light source to project ultraviolet light to the target skin area; Collecting diffuse reflection spectrum signals of a target skin area in the working process of the adjustable double-band light source, collecting global energy to form diffuse reflection energy loss values, carrying out energy evolution on the output power of initial driving current to obtain theoretical emission energy, and removing loss of the diffuse reflection energy loss values from the theoretical emission energy to obtain effective ultraviolet energy actually reaching the dermis layer.
8. The ultraviolet treatment parameter generation system based on automatic identification of skin type as recited in claim 7, wherein the forming a steady state treatment drive current comprises: coupling stratum corneum thickness detection data in the skin static hologram with a preset stratum corneum light attenuation coefficient to determine a transmission coefficient of ultraviolet penetrating through the stratum corneum, and performing multiplying power regulation on each target output dose in the optimal dose matrix through the transmission coefficient to obtain a target dose of the dermis layer; Calculating by taking the deviation amount of the effective ultraviolet energy and the target dose of the dermis layer as an energy deviation signal, and superposing a current compensation value obtained by calculation to an initial driving current to generate a steady-state treatment driving current.
9. The system for generating ultraviolet treatment parameters based on automatic identification of skin type according to claim 8, wherein the monitoring of the skin temperature field of the target skin area while the steady-state treatment driving current is continuously output comprises: collecting each frame of thermal radiation distribution image of a target skin area under a steady-state treatment driving current working state, and converting each frame of thermal radiation distribution image into a epidermis temperature field containing temperature values of each pixel point; And (3) performing global scanning on each frame of skin temperature field, determining the highest temperature value obtained by scanning as peak skin temperature, and deducing the change slope of the peak skin temperature in a sliding time window as the skin temperature rise rate.
10. The system for generating ultraviolet treatment parameters based on automatic identification of skin type according to claim 9, wherein said controlling the operation state of the adjustable dual band light source comprises: The method comprises the steps of presetting a thermal damage threshold comprising an absolute safe temperature threshold and a maximum temperature rise rate threshold, comparing a peak epidermis temperature and epidermis temperature rise rate with the thermal damage threshold, judging that an immediate thermal damage risk exists in a target skin area if the peak epidermis temperature is larger than the absolute safe temperature threshold or the epidermis temperature rise rate is larger than the maximum temperature rise rate threshold, immediately interrupting steady-state treatment driving current, judging that the target skin area is in a thermal safety state if the peak epidermis temperature is not larger than the absolute safe temperature threshold and the epidermis temperature rise rate is not larger than the maximum temperature rise rate threshold, and keeping the steady-state treatment driving current continuously output.

Description

Ultraviolet treatment parameter generation system based on automatic skin type identification Technical Field The invention relates to the technical field of ultraviolet phototherapy, in particular to an ultraviolet treatment parameter generation system based on automatic identification of skin types. Background Ultraviolet phototherapy is an effective means for clinically treating various chronic inflammatory skin diseases such as psoriasis, vitiligo, atopic dermatitis and the like. The photon energy with specific wavelength penetrates through skin tissue to induce T lymphocyte apoptosis, inhibit keratinocyte hyperproliferation and regulate local immune microenvironment, and in clinical practice, accurate setting of therapeutic dose is a key factor for determining curative effect and safety. In the prior art, the general dose determination method mainly depends on Fitzpatrick skin typing standards, wherein the standards divide a population into I-VI types by inquiring the response of a patient to sunlight, and a dose comparison table is searched according to the standards to determine initial irradiation parameters, however, the traditional Fitzpatrick skin typing standards only divide complex skin photobiological characteristics into six discrete grades, so that the molecular level difference of an individual to ultraviolet rays is difficult to embody, for example, the individual skin has obvious differences in molecular levels such as melanin molecular concentration, heme distribution, collagen content, photosensitive response characteristics and the like, the differences directly determine the tolerance degree, the absorption efficiency and the treatment response effect of the individual to the ultraviolet rays, and the six-level macroscopic typing is difficult to capture the molecular level characteristic difference, so that the treatment parameters cannot be accurately matched with the actual state of the individual skin, the condition of insufficient treatment or dose overload is caused, and the effectiveness and the safety of treatment are seriously affected. In view of the above, the present invention proposes an ultraviolet treatment parameter generation system based on automatic skin type identification to solve the above-mentioned problems. Disclosure of Invention In order to overcome the defects in the prior art and achieve the above purposes, the invention provides a technical scheme that an ultraviolet treatment parameter generation system based on automatic identification of skin types comprises: The skin state sensing module is used for acquiring relevant detection data of a target skin area, carrying out synchronization pair Ji Peizhun, generating a skin static holographic snapshot, and triggering micro-energy pre-irradiation action on the target skin area through the skin static holographic snapshot so as to obtain a photosensitive response dynamic set; The intelligent characteristic analysis module is used for carrying out characteristic fusion on the photosensitive response dynamic set and the skin static holographic snapshot to obtain a photosensitive skin characteristic-phenotype combined vector, carrying out multi-objective deduction on the photosensitive skin characteristic-phenotype combined vector through a pre-constructed comprehensive evaluation criterion, and generating an optimal spectral power distribution and an optimal dose matrix; The self-adaptive optical control module is used for driving the adjustable double-band light source to work based on the optimal spectral power distribution and the optimal dose matrix, inverting effective ultraviolet energy actually reaching the dermis layer, and dynamically correcting the driving current of the adjustable double-band light source through the effective ultraviolet energy to form steady-state treatment driving current; The heat safety monitoring defense module is used for monitoring an epidermis temperature field of a target skin area when the steady-state treatment driving current is continuously output, and controlling the running state of the adjustable double-band light source through the epidermis temperature field. Further, generating a skin static holographic snapshot includes: the method comprises the steps of collecting a reflection spectrum and an autofluorescence signal of a target skin area, analyzing the reflection spectrum to obtain melanin, heme and water distribution detection data of a skin layer of the target skin area, inverting the autofluorescence signal to obtain collagen content and porphyrin content detection data of the skin layer of the target skin area; And carrying out pixel-level spatial registration and fusion on each detection data by taking the dermatoglyph characteristic points of the target skin area as anchor points to generate a skin static holographic snapshot of the target skin area. Further, triggering a micro-energy pre-irradiation action on the target skin region by a skin static holograp